Combustion apparatus and combustion processes (F23)

F23            Combustion apparatus; combustion processes(12992)

Two-stage vacuum burner // 2642715
FIELD: power industry.SUBSTANCE: three-vortex vacuum burner-reactor (100) for mixed fuels contains an intake manifold (150) which includes a vacuum chamber, a nozzle inlet for compressed air into a vacuum chamber, a nozzle for compressed air entering the vacuum chamber through the nozzle inlet for compressed air, and an ejector release, at that, the intake manifold (150) is configured with the possibility of feeding gaseous fuels to primary combustion chamber (110), the primary combustion chamber (110) which has with a cylindrical external part and a conical inner part. The conical inner part has a first end with a smaller diameter and a second end with a larger diameter. The first end of the conical inner part is connected to the inlet manifold (150). Conical inner part additionally includes the first group of directing blades; a reducing nozzle (120) connected with the second end of the conical internal part of the primary combustion chamber (110). The reducing nozzle (120) has the first part in the form of a truncated cone with a larger diameter, connected with the primary combustion chamber (110), and a second cylindrical part which continues from the first part of a smaller diameter in the form of a truncated cone; injectors (140) perpendicular to the first part in the form of a truncated cone of the reducing nozzle (120) and configured with the possibility of fuel injection into the primary combustion chamber (110); and a cylindrical secondary chamber (130), having a second set of directing blades configured with the possibility of channelling air into the secondary chamber (130). The smaller the diameter of the primary combustion chamber (110) at its first end, the larger diameter of the primary combustion chamber (110) at its second end and the first group of three directing blades form three vortexes of fuel to maintain fuel rotation to the outer part of the burner-reactor (100) and slowing down the movement of fuels to ensure complete combustion.EFFECT: invention makes it possible to improve the quality of fuel combustion.8 cl, 8 dwg, 1 tbl

Afterburner combustion chamber of turbojet engine // 2642712
FIELD: engines and pumps.SUBSTANCE: afterburner combustion chamber of turbojet engine contains chassis, connected to the turbine, nozzle, fuel, or fuel-air collectors, injectors are connected with the jets. The spray nozzles are equipped with micro-swirlers. Each of the micro-swirlers is a cone-shaped nozzle casing with roundings of a small radius R at the base of the cone located near the atomizer. Nozzles with a micro-swirl are connected behind the manifolds by the flow of air so that the injected fuel or fuel-air mixture coincides in the direction of travel with the flow of air and combustion products behind the turbine in the afterburner combustion chamber. At the base of the cone of the nozzle body is a cylindrical spray nozzle.EFFECT: invention allows to reduce emissions of harmful substances into the atmosphere and decrease the length of the afterburner combustion.2 cl, 3 dwg

ethod and system of aero/hydrodynamic control of newtonian fluid flow in radial turbomachine // 2642203
FIELD: machine engineering.SUBSTANCE: method and system for aero/hydrodynamic control of newtonian fluid flow in the radial turbomachine which use conformal vortex generators is described.EFFECT: improvement of energetic efficiency and possibility to control various points in turbo-compressor or processing device for aero/hydrodynamic treatment of newtonian fluid flow.32 cl, 21 dwg

Water-gas unit // 2641999
FIELD: machine engineering.SUBSTANCE: water-gas unit contains a membrane-valve mechanism for stabilizing a preselected water supply and a spring-loaded valve for gas supply with the drive from a membrane of the membrane-valve mechanism. The drive of the gas supply valve is carried out by the membrane through the magnetic field of two magnets oriented with respect to each other with the same poles located on both sides of the non-magnetic partition separating the gas and water cavities of the unit, one of the magnets is mechanically connected to the membrane and the other to the gas supply valve.EFFECT: increase the reliability of the device and the accuracy of the water supply regulation.1 dwg

Intelligent control method with predictive emissions monitoring ability // 2641981
FIELD: engines and pumps.SUBSTANCE: invention relates to a combustion system and a method for predicting the concentration of pollutants of a combustion system for a gas turbine engine. Aim of the invention is to provide a more reliable predictive emission control system. Combustion system (100) comprises combustion chamber (101) into which pilot fuel (102) and main fuel (103) is injected and ignited, wherein exhaust gas (104) generated by burned pilot fuel (102) and burned main fuel (103) is exhausted out of combustion chamber (101). Control unit (112) is coupled to fuel control unit (105) for adjusting pilot fuel (102) ratio, with temperature sensor (107) for receiving a temperature signal, with fuel determination unit (109) for receiving a specific fuel signal, and with mass flow sensor (110) for receiving a specific mass flow signal. Control unit (112) is adapted for determining a predicted pollutant concentration of exhaust gas (104) on the basis of a temperature signal, a fuel signal, a mass flow signal and a fuel split ratio. Method for predicting the concentration of pollutants of a combustion system for a gas turbine engine comprises several stages. Fuel control unit (105) divides the fuel (106) into pilot fuel (102) and main fuel (103). Fuel is injected and ignited inside the combustion chamber. Temperature signal is generated by temperature sensor (107) indicating the temperature of the exhaust gas inside combustion chamber (101) or downstream of the combustion chamber. Mass flow signal is generated by mass flow sensor (110) indicating mass flow rate (111) of the air entering the combustion chamber. Fuel determination unit (109) determines a fuel signal indicative of the fuel composition (106). Control unit based on the temperature signal, the fuel signal, the mass flow rate signal, and the fuel separation ratio determine the predicted concentration of exhaust gas pollutants (104).EFFECT: prediction of the concentration of pollutants of a combustion system for a gas turbine engine.11 cl, 3 dwg

Device for object thermostatic control // 2641869
FIELD: transportation.SUBSTANCE: device for object thermostatic control, especially for drying automotive bodies with an applied coating, comprises a thermostatic tunnel (14) which is located in the housing (12) and at least one tunnel section (T), which includes at least one air outlet (30) and at least one air inlet (42), wherein a heating unit (20) relates to the tunnel section (T), in which hot primary gas is produced by a burner assembly (44), the hot primary gas is directed to a heat exchanger (38) of the heating unit (20), in which the tunnel air from the mentioned at least one air outlet (30) is heated only by the hot primary gas, which is repeatedly supplied to the tunnel section (T) as a circulating air flow in a circulation mode through at least one air inlet (42). A burner supply device (40, 46) is provided, by means of which the exhaust air from the tunnel section (T) is supplied to the burner assembly (44) of the heating unit (20) as the air flow for combustion to create the primary gas for the burner assembly (44). The heating unit (20) comprises a dispenser (40) using which the tunnel air from the tunnel section (T) is divided into the circulating air flow and the combustion air flow, wherein the dispenser (40) is located downstream of the heat exchanger (38), so that the tunnel air heated there is divided into the circulating air flow and the combustion air flow.EFFECT: decreased rato of exhaust gases released into the atmosphere via the roof.7 cl, 3 dwg

Cooled wall of tokamak // 2641651
FIELD: metallurgy.SUBSTANCE: cooled wall of tokamak has a heat flux receiving surface and an adjacent heat-conducting zone, inside which there is a group of atomizers, at that each atomizer contains a chamber with axial hole connected to the cooling liquid supply channel. Each atomizer has a nozzle arranged coaxially relative to the axial hole. Finning is made on the nozzle inner surface. A housing for collecting steam is mounted on the side of the nozzles.EFFECT: increased efficiency for cooling walls of chambers with high intensity of heat flow from the center of chambers to the periphery.2 dwg
ethod for solid fuels gasification in gas generator and reactor device for method implementation // 2641270
FIELD: chemistry.SUBSTANCE: method for solid fuels gasification is described, consisting in moving fuel for gasification in a vertically oriented hollow reactor, upwards from the bottom, forming a combustion site in the reactor due to the oxidative reaction of the oxygen compound (O2) of air with the carbon (C) of the fuel, at which carbon dioxide (CO2) is emitted, carrying out of a reductive reaction of a carbon dioxide compound (CO2) with the carbon (C) of the fuel according to the formula CO2+C=2CO in the fuel layer, at which carbon monoxide (CO) - a combustible gas is produced. Behind the combustion site, coal and ash are moved upwards in the vertically oriented hollow reactor, carbon dioxide (CO2) is passed through the coal and ash along the direction of movement to carry out a reductive reaction of the carbon dioxide compound (CO2) with the carbon (C) of the fuel and produce a combustible gas - carbon monoxide (CO), combustible gas is brought up the reactor and beyond. A reactor for of solid fuels gasification is also described.EFFECT: method for gasification of solid fuels is developed, which has effective conditions for oxidation-reduction reactions.3 cl, 5 dwg

Vaporizing burner for mobile heating device working on liquid fuel // 2641195
FIELD: power industry.SUBSTANCE: vaporizing burner (100) for mobile heating device working on liquid fuel having a mixture preparation area (2) for mixing fuel and air for combustion to form a fuel-air mixture, a source (1) of fuel for the supply of liquid fuel in the mixture preparation area (2), a source (B) of combustion air for the for supply of combustion air to the mixture preparation area (2), at least one vaporizing surface (8), supplied with liquid fuel to vaporize liquid fuel, a reaction area (3) disposed after the mixture preparation area (2) with respect to the flow and designed for the reaction of the fuel-air mixture to form the exhaust gases (A) with the release of heat, and the exhaust gas recirculation (A) device (10) into the mixture preparation area (2). The exhaust gas recirculation device (10) has at least one exhaust gas outlet (11) that is open to the mixture preparation area (2).EFFECT: invention provides a low level of emissions.13 cl, 9 dwg

Thermostat // 2641177
FIELD: human vital needs satisfaction.SUBSTANCE: thermostat for domestic stoves fuelled by gas, contains chassis, which are formed by the inlet and outlet Canal, performed with the possibility of receiving gas flow from the feed source and for the filing of such gas flow in the gas burner. Also comprises a chamber having a cylindrical shape and in fluid communication with the inlet duct. The camera performed with the possibility of connection through the flowing medium with drain pipe, either directly through the main hole formed at its one end, or indirectly, via the auxiliary channel, which is formed in the housing of the thermostat and passes into the outlet canal, bypassing the specified the main hole. The mentioned main hole and the auxiliary duct are accordingly dimensioned to provide the maximum and minimum gas flow rates. The thermostat further comprises a valve having a cylindrical shape and controlling the flow rate of the gas. The mentioned valve is a one-piece valve disposed in the chamber coaxially with it and movable between a first position in which the main opening is completely released, thereby allowing the passage of the gas flow into the outlet channel and a second position in which the main opening is completely closed by the valve, and the gas flow reaches the discharge channel only through the auxiliary channel. The valve contains a pair of flanges formed at its free ends. The first flange faces the main chamber opening and has a diameter providing closure thereof in the mentioned second position. The second flange closes the camera at its opposite end. The second flange has a circumferential groove configured to receive a valve sealing member preventing gas from escaping from the chamber, the diameters of the first and second flanges being substantially equal to the diameter of the chamber. The inlet and the outlet auxiliary duct are in fluid communication through the cylindrical chamber for any axial position of the valve.EFFECT: structural configuration of the thermostat housing and its channels is much more compact, functional and cheaper than the design configuration of thermostats known in the art.12 cl, 4 dwg

ethod for burning bilateral biofuel fusion and device for its implementation // 2640975
FIELD: power industry.SUBSTANCE: before combustion of solid biofuel, it is fed into combustion zone from the top to the bottom and preheated together with air, solid combustion residues: slag and ash get automatically removed from combustion zone into ash collector by new portions of fuel and air flow, which movement is provided by pressure drop as a result of difference of temperatures between the ambient and inside the burning device, gas residues are discharged from the furnace to the atmosphere. The device for burning solid fuel comprises a hopper with tightly closed, a cover mounted above the furnace forming a space for heating air required for burning fuel; inclined fire grate and vertical fire grate with slots are arranged inside the furnace. The angle of installation of the inclined fire grate is greater than the angle of natural slope solid biofuel, and the size of slots of the inclined and vertical fire grates is less than or equal to the diameter of granules of solid biofuel; a heat-resistant material pipe surrounded by a heat-insulating shell is installed inside heat exchanger. The pipe is surrounded by a heat-insulating shell, one or several through holes in the lower part of the pipe are made heat-resistant material for mixing of secondary air with pyrolysis gases formed by heating fuel in the space generated by inclined and vertical fire grates.EFFECT: increased heat transfer.2 cl, 1 dwg

Device for zoned centrifugal burning using flow of combustion air // 2640873
FIELD: power industry.SUBSTANCE: device for zoned centrifugal burning of fuel contains an upper combustion chamber configured to supply combustion air through it to the combustion chamber and to discharge therefrom a fire column formed during the burning of fuel using combustion air, a lower combustion chamber connected to a lower part of the said upper combustion chamber, the said lower combustion chamber being adapted to supply fuel thereto and with the possibility of supplying fuel therefrom to the combustion chamber ensuring mixing of fuel and combustion air for its ideal burning, an air supply pipe, one end of which is divided into an upper branch of the air supply pipe and a lower branch of the air supply pipe, the said upper branch of the air supply pipe is turned upward, and the lower branch of the air supply pipe is turned downwards with the possibility of supplying combustion air respectively to the upper combustion chamber and the lower combustion chamber, a vortex unit connected to the lower combustion chamber and configured with the possibility to maintain a centrifugal force for the combustion air as the ignition process proceeds in the lower combustion chamber, a fuel supply means formed at a lower end of the vortex unit and comprising a fuel feeder adapted to supply fuel to the lower combustion chamber in a fixed amount and an ash processing chamber located on one side of the said vortex unit and configured to capture and process ash, slag and gas-weighed loose ashes, formed during the burning of fuel.EFFECT: invention allows to improve the quality of fuel burning, to reduce the emission of harmful substances into the atmosphere and the formation of slag.8 cl, 14 dwg

ethod of monitoring and controlling combustion of device operating on gaseous fuel in burner and combustion controlling system operating in accordance with above-mentioned method // 2640866
FIELD: technological processes.SUBSTANCE: method of monitoring and controlling combustion in the burner and the combustion controlling system in the burner of the device operating on gaseous fuel, that operates in accordance with the method. Method of monitoring and controlling combustion in the burner (1) of the device, operating on gaseous fuel, of the type that contains a sensor (8) with an electrode (E1) located in or near a flame and adapted to feed voltage from the generator, as well as coupled with an electronic circuit adapted to measure the resulting capacity at the electrode. The method comprises the first phase of obtaining and processing data from the experimental conditions and the second phase of estimating the required combustion characteristic at the actual operating conditions of the burner. In the first phase, many experimental conditions for burner combustion (1) are selected in advance, power (P1, P2, Pn) and an additional meaningful parameter (K1, K2, km) of the combustion characteristics are fed to the burner, wherein with each of the experimental conditions a voltage signal is sent to the mentioned electrode (E1), a response signal is sampled, calculating the characteristic signal waveform parameters on the basis of the sampled value sequence for each of the experimental conditions, with the purposes of calculating the correlation function based on the obtained experimental data capable of unique correlating power and additional significant combustion parameter. In the second phase, the electric voltage signal in the actual operating mode is sent to the electrode (E1), and after the cut-off of the sent signal, a series of samples of the resulting response signal at this electrode is performed. Also, in the second phase, the corresponding characteristic waveform parameters of the response signal are calculated for the operating mode on the basis of the sampled value sequence, and the estimated value of the combustion characteristic is calculated using the correlation function.EFFECT: accuracy and stability of the method and the control system.14 cl, 2 dwg

Device for energy recovery // 2640859
FIELD: heating system.SUBSTANCE: device contains at least two successive stages, with the rear stage receiving smoke or gases emanating from the front stage. Each stage comprises an inlet and an outlet, respectively, for a fluid intended to intersect with smoke or gas passing inside the stage to extract heat and impurities therefrom. Two fluid flow rates are provided in the stages, and each fluid flow rate is adjustable, and each stage comprises two fluid paths configured to be formed when using veils or fluid curtains perpendicularly to the smoke or gas supply direction, so that smoke or gas is forced to cross these veils or curtains.EFFECT: reduction of emissions of particulate matter and pollutants, reduction of exhaust smoke temperature at chimney outlets, restoration of a part of thermal energy belonging to the smoke, improvemed energy balance of industrial and urban heating installations.15 cl, 9 dwg

Combustion device for crushed wood waste // 2640852
FIELD: power industry.SUBSTANCE: invention is intended for thermal treatment of crushed wood waste of 3 hazard class, for example, old railway sleepers impregnated with antiseptic agents (coal-containing kreozote impregnating oil), wood chipboards (WCB), fiber boards (FB), waste products of furniture industries, for the purpose of recycling heat, with the content in their combustion products of a low concentration of harmful and carcinogenic substances. In the combustion device for crushed wood waste containing a combustion chamber 1, a burning grate 10, a funnel 5, air nozzles 4, an ash bin 11, a charging branch, according to the invention, the charging branch is executed in the form of a screw with a reverse 7 for transporting the crushed wood waste to the burning grate 10 and attached to the combustion chamber 1, where the air nozzles 4 are arranged in sections. In the lower section with respect to the inner wall 3 of the combustion chamber, the air nozzles 4 made in the form of rectangular tubes that are disposed tangentially, in the middle section, the air nozzles 4 are made in the form of cylindrical tubes that are disposed chordal to the inner wall 3 of the combustion chamber 1, in the upper section the air nozzles 4 are made in the form of cylindrical tubes that are disposed radially along the normal to the inner wall 3 of the combustion chamber 1. The arrangement of the air nozzles relative to the sections of the combustion chamber is arranged in a certain order to provide an intensification of heat and mass transfer throughout the volume of the combustion chamber.EFFECT: increasing the efficiency of combustion device for crushed wood waste due to increasing intensification of heat and mass transfer, by improving the combustion efficiency of solid fuel in the form of crushed wood waste, which increases operational safety and environmental friendliness.2 dwg

obile installation for disposal of hazardous medical and biological waste // 2640623
FIELD: ecology.SUBSTANCE: invention can be used for the disposal of hazardous biological and medical waste, for example, in a medical platoon of a motorized rifle battalion, a medical brigade company, special medical units, sanitary-epidemiological units and blood services. The installation contains an incinerator, a chimney, a fuel system with a fuel tank, an electric power system with a generator, and a control panel placed on a trailer of vehicle. The trailer is made in the form of a body-container with a cooled habitable compartment for placing the incinerator, the control panel and the operator's workplace and a compartment for the generator and a fuel tank, placed with the possibility of access from the front wall of the container. Connections in fuel and electric power systems are made detachable, the incinerator burners and sensors are removable, the chimney is dismountable, and the covers of the combustion chamber and the ash box are equipped with automatic drives in the form of actuators. The cooling system of the habitable compartment is made in the form of two exhaust fans and one supply fan.EFFECT: improving the operational characteristics of the installation for the disposal of hazardous biological and medical waste through the organization of a safe workplace of the operator and increasing the stability of the device to the loads during transportation.1 dwg

Radiation gas burner // 2640305
FIELD: power industry.SUBSTANCE: radiation gas burner contains a hollow body with gas supply and an infrared emitter, the body is in the form of a cylindrical vessel of alternating diameter with confuser, neck and diffuser. In the diffuser there is a flow distributor, and the infrared emitter is made of a porous heat-resistant material in the form of a hollow tube with a spherical head, radiator length is equal to 2-3.5 diameters of radiator. Radiator wall has the same thickness in cylindrical and spherical parts, and the ratio of the thickness of the infrared radiator wall to its diameter is 1:6, porosity of the infrared radiator is 50-60%, the structure of pore space of the infrared radiator is isotropic with the size of the gas transport pores 400-1000 mcm. Neck of body is made with narrowing whose diameter is equal to 0.4-0.8 of diameter of the infrared radiator. The flow distributor is made conical. The gap between the diffuser wall and the flow distributor is equal to 0.1-0.2 diameters of the infrared radiator.EFFECT: increase the operational and environmental characteristics of axisymmetric burners by organising combustion of fuel-air mixture in the internal cavity of the porous radiator.4 cl, 1 dwg
Centrifugal nozzle // 2640231
FIELD: machine engineering.SUBSTANCE: centrifugal nozzle contains a body, a fitting attached to the upper part of the body. Inside the fitting a cylindrical hole passing into a diffuser is executed. The diffuser is connected to a cylindrical chamber, made in the lower part of the body, through a sealing gasket. The upper part of the hollow conical swirler is located in the diffuser. The conical shell of the swirler is fixed between the perforated disk separating the cylindrical hole and the diffuser and the perforated disk fixed on the shear of the cylindrical chamber to the body on which the lower part of the hollow conical swirler is resting. The through helical thread is made on the outer surface of the hollow conical swirler.EFFECT: invention makes it possible to increase the efficiency of spraying, simplify the design and reduce the materials consumption.1 dwg

Flint ignition mechanism of button type made with possibility of automatic return // 2640143
FIELD: power industry.SUBSTANCE: flint ignition mechanism of the button type is made to automatically return to its initial position, wherein the mechanism comprises: a built-in flint, a steel wheel adjacent to the flint, an energy storage element which stores energy by deformation, a drive wheel rotating in the same direction with the steel wheel, when the energy storage element releases energy, the wheel axle around which the drive wheel rotates, a drive element which is ejected by the energy storage element when the energy storage element releases energy, an engaging portion disposed on the drive element which can move the drive wheel to rotate the drive wheel, a locking element which can block the movement of the drive element, a movable element which is linearly movable backward and forward within the mechanism and can compress the energy storage element to create an elastic deformation in the latter, and a return element which can push the movable element for returning to the initial position, wherein, when the energy storage element finishes releasing energy, projections of the engaging portion and the drive wheel on a plane perpendicular to the direction of the movable element movement do not overlap.EFFECT: invention ensures ease of fabrication, low manufacturing cost.7 cl, 30 dwg

Two-flow gas burner // 2639823
FIELD: power industry.SUBSTANCE: two-flow gas burner comprises a housing with a gas supply pipe made in the form of a truncated cone, oriented with a smaller base to the output, an air supply pipe located tangentially to the housing, a ring collector, a cylindrical nozzle located inside the housing, plugged on the output side, connected with the gas supply pipe, the walls of which are made with holes with screw channels located inside, axes of the holes are directed at an acute angle to radial planes and to nozzle generatrices toward the output and in the direction of the air flow rotation in the housing, the ring collector is made in the form of a spray chamber with an output toroidal throat, and the gas supply pipe is replaced by a water supply pipe, connected to the spray chamber. A cylindrical nozzle is placed in a hard-cylindrical perforated shell, which is attached to the end of the plugged output of the cylindrical nozzle and is installed with a gap relative to the outer surface of the cylindrical nozzle. The diameter of the perforated holes exceeds the diameter of the holes in the cylindrical nozzle by 2-4 times, and the number of perforated holes in the cylindrical shell does not exceed the number of holes in the cylindrical nozzle.EFFECT: increasing efficiency of gas fuel burning by ensuring a complete and uniform mixing of air and gas flows.1 dwg

Injector with counter-directed conical swirlers // 2639775
FIELD: machine engineering.SUBSTANCE: injector with counter-directed conical swirlers has a cylindrical hollow body with a channel for liquid supply in which a sprayer is fixed consisting of three throttling elements. The sprayer is made in the form of oppositely located vertexes and axially symmetrical hollow conical swirlers: upper and lower ones. A conical shell of the lower swirler is fixed by means of at least three spokes fixed by one end on conical shell of the lower swirler in its upper part, and by its other end - in the circular groove of the injector channel made on its inner surface. Vertex of the conical surface of the conical shell of the upper swirler is fixed on a round perforated plate installed in the circular groove of the injector channel and resting on top of the lower swirler fixed in the injector channel by means of spokes. Through helical cuts are made on outer surfaces of the hollow conical swirlers. The throttling effect of the sprayer is determined as a whole by the total throughput capacity of the constituent elements thereof. In order to achieve finely dispersed spraying, the total throughput capacity of the upper swirler and the perforated plate is made higher than the throughput capacity of the lower swirler.EFFECT: invention makes it possible to increase efficiency of spraying, simplify design and reduce material usage.2 cl, 1 dwg

ethod for diagnostics of vibrating combustion in combustion chamber of gas turbine engine // 2639597
FIELD: engines and pumps.SUBSTANCE: method for diagnostics of vibrating combustion in combustion chamber of gas turbine engine comprises preliminary determination of frequencies of natural oscillations of combustion chamber portions and the diagnostic modes, at the same time the pressure pulsation in the combustion chamber is measured simultaneously with body vibration, the amplitude-frequency spectra are built when vibrations and pulsations appear in the spectra at one of the diagnosis modes to constitute frequency that is aliquant the rotational speed of the rotor, at that at the base it is fuzzy, thereby the conclusion on the presence of vibrating combustion in the combustion chamber is made.EFFECT: extended utilisation area and enhanced reliability of the diagnostics method due to direct measurement of oscillatory process parameters in the turbine engine combustion chamber regardless its type and the type of vibrating combustion without necessity to perform additional engine start.3 dwg

ethod of steam boiler operation // 2639470
FIELD: heating system.SUBSTANCE: method of steam boiler operation, after which air and natural gas used as fuel are fed into furnace, the warmth of products of combustion is derived to boiler water and steam, after which the outgoing gases are removed from the boiler to atmosphere, blowoff water is derived from boiler drum. Blowoff water is injected in the furnace of boiler, thereby reducing the temperature of combustion products and suppressing the formation of nitrogen oxides in the furnace, the amount of the injected blowoff water is controlled by the pulse from the temperature sensor of combustion products in the most heat stressed part of the furnace, the outgoing gases are cooled below the condensation temperature of water steam, formed during the injection of blowoff water into the furnace, and the condensate formed during the cooling of outgoing gases is used in the steam-water cycle of the boiler, for example, is fed into the feedwater deaerator.EFFECT: increasing the ecological safety of boiler plant operation by reducing the temperature in the most heat-stressed part of the furnace.1 dwg

Fuel burning rate adjustment method and the oven, where this method is implemented // 2639461
FIELD: heating system.SUBSTANCE: oven contains the combustion chamber for placing and igniting the fuel, as well as the chamber for the collection and removal of volatile combustion products, at the top equipped with the pipe for removal of volatile combustion products into the atmosphere, the casing of the combustion chamber is designed as the closed volume, with the process hole in the lateral vertical wall for the air intake and the combustion products exhaust, equipped with the adjusting gate valve, performed with the possibility to change the process hole throat. The combustion chamber is connected through the process hole to the chamber for collecting and removing the volatile combustion products, which has the hole for the air supply in it.EFFECT: simplification of the fuel burning rate adjusting process, increase the safety of use.2 cl, 1 dwg

Device for burning fuels and heating process media // 2639434
FIELD: machine engineering.SUBSTANCE: device for combusting fuels and heating process media comprises a heat exchanger of heating the process medium, a heat exchanger of "oxidation/air products in the first catalytic section", several catalytic sections and a starting preheater. During operation of the device, a portion of air is heated by oxidation products in the heat exchanger of "oxidation/air products to the first catalytic section" to the lower temperature limit of catalyst operation and supplied to the first catalytic section which is supplied with fuel in amount providing oxidation temperature of products thereafter below the upper temperature limit of catalyst operation. Then the oxidation products are mixed with cold air to reduce temperature of the mixture to the lower temperature limit of the catalyst operation, and the process is repeated in the subsequent sections. After the last catalytic section, the products of complete oxidation of fuel are cooled in the heat exchanger of "oxidation/air products in the first catalytic section", in the heat exchanger for heating process medium supplied with counter-current, and discharged. When starting the device, the air supplied to the first catalytic section is heated in the starting preheater.EFFECT: reduced metal capacity and increased explosion safety.1 dwg

Continuous burning boiler // 2639406
FIELD: heating system.SUBSTANCE: continuous burning boiler is the fireproof, sealed, heat-insulated housing of sufficient size for a person to move in it, with the sealed front door on the front wall. The flame tube 3, fixed relative to the housing walls is located in the lower part of the housing 1, preferably at the equal distance from the side walls. The flame tube 3 has the perforation at its section, located closer to the housing front wall, but at some distance from it, and communicates with the atmosphere through the secondary air blast valve gate 4, located on the housing 1 front wall. The flame tube 3 by its other end is connected to the flue 5, located at the rear part of the housing 1, which is the inner part of not heat-insulated heat exchanger 6, located inside the housing 1 away from its walls, the input and output pipes 7, 8 for coolant, which go outside the housing 1. The primary air blast valve gate 9 is located in the lower part of the rear wall of the housing 1 and it is connected to the guide pipe 12, directed under the flame tube 3 along it. The outlet flue gas temperature sensor 10 is located in the flue 5 above the heat exchanger 6, the coolant outlet temperature sensor 11 is located in the outlet pipe 8 of the heat exchanger 6. Based on the sensors 10 and 11 readings, the manual or automatic adjustment of the valve gates 9 and 4 nominal bores of the primary and secondary air blast is carried out.EFFECT: increased combustion duration, elimination of housing walls overheating, high maintainability.5 cl, 1 dwg

ethod of steam boiler operation // 2638898
FIELD: heating system.SUBSTANCE: method of steam boiler operation, after which air and natural gas used as fuel are fed into furnace, the warmth of products of combustion is derived to boiler water and steam, after which the outgoing gases are removed from the boiler to atmosphere, blowoff water is derived from boiler drum. Blowoff water is injected in the furnace of boiler, thereby reducing the temperature of combustion products and suppressing the formation of nitrogen oxides in the furnace, the amount of the injected blowoff water is controlled by the pulse from the temperature sensor of combustion products in the most heat stressed part of the furnace, the outgoing gases are cooled below the condensation temperature of water steam, formed during the injection of blowoff water into the furnace, and the condensate formed during the cooling of outgoing gases is used in the steam-water cycle of the boiler, for example, is fed into the feedwater deaerator.EFFECT: decrease in temperature in the most heat-stressed part of the furnace and prevention of formation of nitrogen oxides.1 dwg

obile device for burning dead animals and birds and other dangerous biomaterials in field conditions // 2638680
FIELD: agriculture.SUBSTANCE: mobile device includes a metal plate and a casing for collecting ash, the metal plate having supports and pointed pins, between which slotted channels are arranged. Wherein the metal plate is made latticed, and the plate supports are made folding with adjustable height; in addition, the casing is installed with a gap relative to the bottom plane of the plate, burners and cylinders with a compressed gaseous combustible substance being located at a safe distance at two opposite sides of the plate. The burners can move in the horizontal and vertical planes and change the combustion flame, and a loading mechanism is arranged at one of the end plate faces.EFFECT: reducing the time for burning dead and killed animals in order to prevent the spread of foci of infectious diseases.4 cl, 7 dwg

ethod for incineration of milled solid fuel and device for its implementation // 2638500
FIELD: power industry.SUBSTANCE: device for incineration of milled solid fuel consists of two stages, the first stage is made in the form of gas generator and the second stage is in the form of post-combustion chamber, the gasification unit of fine fraction contains co-axially primary countercurrent and secondary countercurrent flame tubes, a turbulence chamber interposed between them, containing flame tube whose diameter is larger than the diameters of the primary countercurrent and secondary countercurrent flame tubes, each primary countercurrent and secondary countercurrent flame tubes contain tangential nozzle swirlers that form a twist of flows with the opposite direction of the angular velocity vectors, wherein the primary countercurrent flame tube in the plane of tangential nozzle swirler contains a nozzle coaxial to its central axis, the second stage comprises a cylindrical body, a flame tube, tangential nozzle swirler, outlet nozzle with a central inlet, located in the plane of the tangential nozzle swirler, and an outlet, a pre-chamber with inlets and outlets, wherein the tangential nozzle swirler forms flow twist that coincides with the direction of flow twist angular velocity in the primary countercurrent flame tube, the nozzles of air supply, removal of mixture of solid particles and gas, wherein the air supply nozzle communicates with the tangential nozzle swirler, and the nozzle for removal of mixture communicates with the flow part of flame tube in opposite to the tangential nozzle swirler end. The nozzles are installed tangentially on the inner surface of casing so that the angular velocity vectors of the air flow and the flow of mixture of solid particles and gas coincide in direction with the angular velocity vector of air at the outlet of nozzle swirler.EFFECT: increase the efficiency of work process of fuel combustion by increasing productivity, economic and environmental characteristics, expanding the type of fuel burned and increasing the reliability of work process.2 cl, 6 dwg

Combustion chamber of liquid-propellant engine (lpe) without generator // 2638420
FIELD: engines and pumps.SUBSTANCE: combustion chamber of LPE, running on a non-generator circuit comprising of fuel and oxidizer supply lines, a chamber block with a supersonic nozzle, with the combustion chamber being annular in shape, parallel to the chamber block rigidly connected by an outer convex and inner curved body of the rotary device to the chamber block and the supersonic nozzle, and the cooling channel of the annular combustion chamber is connected by a cooling channel in the inner curved body of the rotary device to the cooling channel of the chamber block with the supersonic nozzle, and through the cooling channel in the outer convex bottom and through a pipeline the cooling channel of the annular chamber is connected to the pipeline at the outlet of the supersonic nozzle.EFFECT: reducing the linear size of the engine, obtaining an additional set of heat to improve the engine's power characteristics and reducing the hydraulic resistance in the cooling channel of the engine.3 dwg

Gas-turbine engine combustion chamber operational control method // 2638245
FIELD: electricity-producing industry.SUBSTANCE: there is a gas-turbine engine combustion chamber operational control method, where the engine is composed of the compressor, two burners, the combustion chamber, which is located downstream of the noted burners, the turbine, two temperature probes downstream of the noted combustion chamber. Upon that, there is one vent for the part of the oxygen-containing gas withdrawal placed downstream of the noted compressor and upstream of the noted combustion chamber. Along with this, the noted vent is a part of the system of the oxygen-containing gas bypass in contravention of the combustion chamber and has a valve for the amount of the bypassing gas regulation. The method comprises stages, where one controls the combustion products temperature, compares the noted temperature probes value, opens the noted valve or increases the rate of its opening in case if in consequence of the noted comparison one find out that the difference between the noted temperature probes value goes beyond the fixed limit of the temperature differential.EFFECT: invention allows to reduce the probability of occurrence of high carbon monoxide emissions by virtue of the vent valve position automatic control.10 cl, 6 dwg

Outdoor boiler // 2638103
FIELD: heating system.SUBSTANCE: outdoor boiler comprises a heat-water-resistant body 1 within the framework of which there is a flue heat exchanger 2 with a furnace unit 3. The flue heat exchanger 2 comprises a blasting burner 4, a chimney raft 5, feed 6 and return 7 lines respectively, and the furnace unit 3 internal surface is coated with the refractory ceramic fiber 8. The boiler is fitted with the impact plate 9 of a size no greater than 1/2 of a furnace unit cross section. The furnace unit is insulated by the refractory ceramic fiber and is mounted on the top 1/3 part of the furnace unit 3.EFFECT: increasing the path length of the gas flame before the contact with flue heat exchanger with full reburning.1 dwg

Dual-stage diffusion-kinetic burner // 2638102
FIELD: electricity-producing industry.SUBSTANCE: burner comprises a gas pipeline, an axial fan, an ignition device, a gas distributor, a convergent-divergent device. The gas pipeline is designed as two in parallel placed stages, each of which is supplied with the multifunctional machine, and the electric circuit of the axial fan is supplied with the direct-current resistance of the incandescent lamp form adapted to provide with two axial fan operating regimes on the air delivery into the first and both stages of the burner operation.EFFECT: heat energy generation reduction in cost, start-up and adjustment works production exclusion, gas burner units servicing simplification.3 dwg

Installation of environmentally safe high-temperature combustion of solid household and other organic wastes // 2637686
FIELD: heating.SUBSTANCE: installation includes a receiving and unloading device, a waste boiler with a furnace, a combustion chamber, a gas cleaning unit. At the same time, a drying drum is installed between the receiving unit and the waste boiler furnace, drying out the solid household waste (SHW) to a residual moisture content of no more than 5% with flue gases from the boiler, burning of SHW in boiler furnace is performed using heated up to 700°C air, which is heated in heat-exchanging pipes laid in the walls of combustion chamber. Moreover, heated air is supplied in two places in the combustion chamber: under the SHW layer and above the SHW layer, while simultaneously burning both solid SHW particles and unburned gaseous pyrolysis products over the burning SHW layer, the molten slag is granulated in a water bath.EFFECT: increase of efficiency of solid household wastes combustion.5 dwg, 1 ex

Dual-stage burner // 2637597
FIELD: electricity-producing industry.SUBSTANCE: burner comprises the connected in parallel universal multifunctional machines of the first and the second stages, the gas distributor, the divergent-convergent device. The burner additionally comprises two coaxially adjusted axial fans. Each of which has the air-pressure sensor suitable for weather power regulation from 5 to 14% at the expense of the air and gas density variation at different temperatures.EFFECT: heat energy generation reduction in cost, start-up and adjustment works production exclusion, gas burner units servicing simplification and weather compensation supply.3 dwg

Slit burner with forced air supply // 2637271
FIELD: machine engineering.SUBSTANCE: slit burner with forced air supply comprises an air distribution box with an air feed channel, connected to a blow fan, a slit channel formed by blocks of refractory material and connected to an air feed channel, guide walls installed in the air feed channel, double-tubed collector, each tube of which contains one row of gas-discharge holes, each of which is turned at an angle of 45° with respect to the transverse air flow. The burner is also provided with a slit box provided with parallel guide walls and connected to an air distribution box by means of a flanged connection, at the air distribution box outlet there is an air-regulating damper provided with a handle, and behind it there is a steel air-distributing grid with slots arranged in the corridor order with similar transverse and longitudinal pitches, and equipped with intensifier of turbulent air flow, inserted between two plates, the distance between them equals the width of the slit channel, and the area of the passage channels of air distributing grid exceeds the cross-sectional area of air-distributing box outlet by 0.4÷0.7 times, at that parallel guide walls of the slit box are lined inside with solid plates made of refractory material of profile shape with an expansion towards the slit box outlet, width of slit channel outlet is 1.6÷1.8 times greater than width of slit channel inlet.EFFECT: reduction of incomplete chemical burning products and harmful substances content, reduction of flame level.3 dwg

ethod for controlling operation of low-toxic combustion chamber module of gas turbine engine // 2637164
FIELD: engines and pumps.SUBSTANCE: method for controlling the operation of low-toxic combustion chamber module of the gas turbine engine is proposed, which implies fuel supply mode from a pilot to a main burner, the ratio of fuel flow ranges between the main and correcting independent adjustable fuel distributing systems of the main burner is set experimentally during the adjustment mode based on stable non-vibration condition combustion behaviour. In this case, the period from the start of the main burner to its outlet to the maximum mode the fuel consumption through the main fuel distribution system is increased from 0 to 95…99%, from 100 to 5…1% of total fuel consumption determining fuel consumption ratio by function of temperature at fire tube outlet.EFFECT: stable, vibration-free behavior of combustion in all operation modes of the module.3 dwg

Threaded joint for burner system // 2637040
FIELD: machine engineering.SUBSTANCE: joint component comprises a cylindrical body that includes a proximal end and a distal end defining a longitudinal axis. At least two threaded areas are located in a radial position on the surface of the body near the proximal end. Each threaded region includes at least one thread of a screw located on the surface of the casing. In addition, at least two non-threaded areas are oriented longitudinally in the radial position on the surface of the casing.EFFECT: reliability increase.60 cl, 27 dwg
odular chimney system with insulation // 2636828
FIELD: construction.SUBSTANCE: modular chimney system with insulation includes a chimney module made according to "pipe in pipe" principle, comprising an outer metal barrel made in the form of a cylinder and an inner metal gas-exhaust tube made cylindrical, located coaxially to the chimney axis module, installed with a gap relative to each other, filled with a heat-insulating material in the form of expanded perlite and equipped with gaskets closing said gap at the top and the bottom, and made of steel sheet by lap joints, wherein the outer surfaces of the outer metal barrel and the inner metal gas-exhaust pipe at connection sections are equipped with restrictors in the form of projections (swages) arranged on the outer surfaces of the outer metal barrel and the inner metal gas-exhaust pipe. The modular chimney system comprises at least two chimney modules, in each of which the heat-insulating material additionally contains a silicone water-repellent agent in an amount not less than 5% at the overall ratio of 95% of expanded perlite and 5% of the silicone water-repellent agent, and the gaskets are represented by padding from mullite-silica wool based on alumina and silica sand and installed plugs of stainless steel, tightly clamping the padding; in addition, one of the chimney modules on one side is connected to the chimney end, and on the other side - to an outlet with the ability to attach a second chimney module with a heating appliance through a tee; in addition, fastening and tightening clamps are made for fixing the modular system; wherein the outer barrel and the inner gas-exhaust pipe of each chimney module, the chimney end, the outlet, the tee, the fastening and tightening clamps are made of stainless steel.EFFECT: ensuring corrosion resistance and heat resistance.8 cl, 5 dwg

Slit burner with forced air supply // 2636644
FIELD: power industry.SUBSTANCE: slit burner with forced air supply contains an air distribution duct with an air supply channel connected to the blower fan, a slit channel formed by blocks of refractory material and connected to the air supply channel, guide walls installed in the air supply channel, a two-pipe manifold located in the air supply channel under the blocks of refractory materials, each pipe of which contains one row of gas outlets, each of which is rotated at an angle of 45° with respect to the transverse air flow, wherein further provided with a slit duct made with parallel guide walls lined inside with monolithic refractory material plates and connected to the outlet of the air distribution duct by means of flange connection, the outlet of the latter is provided with an air distribution grid with nests, arranged in a corridor arrangement with identical transverse and longitudinal steps, equipped with intensifiers of air flow turbulent movement, inserted between two plates, the distance between which is equal to the width of the slit channel, and the area of the live cross-section of passage channels of the air distribution grid is larger than the cross-sectional area of the outlet of the air distribution duct in 0.4÷0.7 times.EFFECT: increasing the uniformity and speed of the processes of mixture formation along the length of burner slit channel, accelerating the combustion of gas, reducing the content of chemical underburn and harmful substances in the combustion products, and reducing the height of the torch.3 dwg

Turbomachine, such as aviation turbojet engine or turboprop engine // 2636597
FIELD: engine devices and pumps.SUBSTANCE: subject of invention is a turbomachine such as an aircraft turbojet engine or a turboprop engine comprising an annular combustion chamber (1) defined by an inner shell (3) and an outer shell (4), a turbine directing apparatus (2) located downstream of annular combustion chamber (1), wherein the outlet end of the outer shell (4) and/or the inner shell (3) of the combustion chamber comprises the first radial flange (7) opposite the second radial flange (14) of directing apparatus inlet end (2), sealing means (16) comprising at least one sealing plate (17) between said flanges (7, 14) to provide sealing between the combustion chamber (1), and directing apparatus (2). The sealing plate (17) extends axially and circumferentially between said flanges (7, 14) and abuts radially into the free ends of said flanges (7, 14).EFFECT: radial size of the combustion chamber flange can be reduced, which makes it possible to reduce the overall mass of the assembly and reduce the heat exchange surfaces with ambient air, the temperature of the outlet end of corresponding shell of the combustion chamber increases, thereby the temperature differences within this shell and the associated bending stresses reduce significantly.11 cl, 9 dwg
ethod of heating of mining units // 2636596
FIELD: metallurgical engineering.SUBSTANCE: method of heating the mining units includes the supply of gaseous fuel and air to the heated blown layer of lump materials, their mixing in the fractional void with the formation of the initial cold air-gas mixture and its ignition in the fractional void, while in the heated blown layer of lump materials is supplied by separate jets with twist parameters from 0.1 to 5.0 mixture of gas and air at a ratio of the amount of oxygen to the amount of combustible gases from 0.1 to 7.0, and ignition of the gas-air mixture is carried out by its heating to a temperature of 800-1050°C.EFFECT: increasing the uniformity of the temperature field of charging materials along the unit section and obtaining a product with a stable chemical composition.1 tbl
Heating unit of heating boiler // 2636361
FIELD: heating system.SUBSTANCE: heating unit of heating boiler includes a burner 2, an air chamber 1, a fuel feed screw 7 from the hopper for combustion, a boiler, an air supply device 13, an external automation unit 17. Burner 2 is casted as one solid piece in the form of a truncated cone with a smaller diameter grounds at the bottom and larger diameter at the top of the central nozzle 3 of burner 2 and built into the air chamber 1 of cylindrical shape, having on the lateral surface a neck 6, connected with the screw 7 body 18. The screw 7 is equipped with an engine 11 and a reducer 12 for supplying fuel to the burner 2; the peripheral burning disk 4 is coaxially disposed relative to the central nozzle 3 of the burner 2, its outer edge is rigidly fixed to the body of the air chamber 1, and evenly distributed holes 5 are formed on the surface; the air supply device 13 has a communication channel 14 with a side branch pipe 15 of the air chamber 1; at the end of the shaft 8 of the screw 7 entering the inner cavity of the burner 2, there are means for loosening the fuel 9 in the form of rods.EFFECT: maximum complete combustion of fuel in the heating boiler, reduction of the volume of combustion products.2 cl, 1 dwg

Vortex burner for gas turbine // 2635958
FIELD: machine engineering.SUBSTANCE: burner comprises a hollow cylindrical body mounted on a base, inside which a gas manifold with a nozzle is installed in the axial direction. The burner body comprises at least one inlet fuel channel directed along the axis, and one inlet air channel directed radially inside the body, with feeding of combustible gas and air into a mixing zone provided with several vortex and mixing surfaces spaced along circumference by means of vortex and mixing surfaces. The nozzle is provided with peripheral and radially disposed holes and a vortex former which is made in the form of a thin-walled cylinder with tangentially bent inside and outside guide blade elements turned at an angle from 30 to 60°. The burner body has an internal bore not exceeding the length of the gas manifold, two or more through slots are uniformly arranged over the groove entire length, the conical convergence is made in the upper part of the body at angle of 45-60° relative to the burner axis in direction of air motion. The nozzle can additionally include a conical streamlined adapter, and the burner body in the mixing zone has an additional profiled guide conical washer.EFFECT: increased operation efficiency of the gas burner, stable and complete combustion process with fixation of flame in axial direction, simplified design, improved manufacturability and repairability, reliability and durability, reduced noise, vibrations and emission of flue gases.2 cl, 3 dwg

ultiflame torch and method of blank heating // 2635949
FIELD: electricity-producing industry.SUBSTANCE: multiflame torch (10) has a number of torch heads (1) and connecting pipes (4) provided for them, which are designed to create at least one flame sweep of the torch, oriented along the axis of the flame sweep, at least half of the connecting pipes (4) are cranked, so that the axes of the flame sweeps of each of the adjacent torch heads (1) are oriented at an angle to each other, and the torch heads (1) are provided with at least two groups (A, B) of torch heads (1). The torch heads (1) of at least one first group (A) are arranged alternately with the burner heads of at least one other group (B) and the axis of the flame flames of the burner heads (1) of the at least one first group (A) are oriented to angle to the axes of the flame flames of the burner heads (1) of at least one other group (B). The torch heads (1) within each group (A, B) are arranged in substantially the same direction, respectively. The torch heads (1) inside each group (A, B) are arranged parallel to each other, respectively. The connecting pipes (4) are connected by means of a screw connection, each rotatable with a corresponding connecting branch pipe. The connecting branch pipes at their respectively other end are attached to one common supply channel (2) and are supplied with fuel through the mentioned common supply channel (2).EFFECT: invention allows to increase the operational reliability of the torch.16 cl, 3 dwg

Boiler and method of its operation // 2635947
FIELD: heating.SUBSTANCE: boiler contains a vertical prismatic furnace for combined flare combustion of solid fuel dust and prepared on its basis and sprayed by nozzles the coal-water suspension with a vertical axis in the center, fencing by the front, rear and side walls, overhead and hearth ceilings, screening the walls and ceilings by pipes with circulating steam-water environment, the burners placed on the walls along the overhead ceiling, at least in one horizontal row, having a vertically slotted convergent nozzles for the separate discharge of the air flow along the walls and fuel dust-coal flows along the vertical axis of the furnace and the nozzles for spraying and discharge of the fuel sprayed water-coal suspension flows also along the vertical furnace axis, by mounted on the walls in several horizontal rows of additional nozzles with two channels for discharge into the furnace along the fencing walls and the vertical furnace axis, of cooling flare the gaseous flows of combustion products and fuel burning up and protecting against the slag contamination additional air flows, window in the hearth ceiling for output of generated pieces of slag and separating large ash-fuel particles, adjacent to the hearth ceiling by window in the rear wall to discharge of ash-gas products, as well as a horizontal gas duct with fencing the side and rear walls, overhead and hearth ceilings, serially installed pipe bundles of superheater, economizer and beam channels vertical ash-separating traps placed in a staggered order in several rows, the window for entering ash-gas flow, combined with discharge ash-gas flow furnace window, windows in the hearth ceiling to remove ash from the pipe bundles and traps, the window in the rear wall, adjacent to the overhead ceiling for the gas flow discharge, purified from the ash to the air duct with air heater, chimney and discharge into the atmosphere, connected to the additional nozzles and the horizontal gas duct, pumping the cooled combustion products into the gas duct with fan. The channels of additional nozzles are equipped with a vertically slotted convergent nozzles, additional nozzles of the upper row are mounted on the walls of the furnace between its ceilings and the burners, other additional nozzles are placed on the walls between the burners and hearth overlap of the furnace, at the protecting side walls adjacent the ceiling of the horizontal gas duct between its traps and the exit window there installed additional windows, connected to the pumping the cooled combustion gas products to the additional nozzles to gas duct with a fan.EFFECT: reduction of big fuel particles underburning, concentration of nitrogen oxides and ash in the combustion gas products discharged from the boiler.2 cl, 11 dwg

Combustion chamber sealing segments, equipped with damping devices // 2635858
FIELD: electricity-producing industry.SUBSTANCE: band sealing construction for the burner assembly first front plate sealing with the second front plate of the adjoining burner assembly of the gas turbine comprises the sealing plate with channels and also containers that are attached to the sealing plate back side. The sealing plate front side faces the combustion chamber, and its back side faces away from the combustion chamber. The containers have the predefined volume and are attached to the sealing plate back side. Every container is in fluid communication with the channel for the acoustic damper creation. The other invention of the group refers to the gas turbine combustion chamber that is composed of the above-mentioned band sealing construction. When the above-mentioned band sealing construction fabrication one joins the containers, that have the predefined volume, to the sealing plate back side in such a way that these containers were in fluid communication with the channels that are implemented in the sealing plate for the acoustic damper creation.EFFECT: simplification of the fabrication and installation of the band sealing construction, which has the possibility of damping the required acoustic frequencies of the gas turbine combustion chamber.13 cl, 7 dwg

Burner for gas hob // 2635749
FIELD: energetics.SUBSTANCE: burner (1) for the gas hob comprises a main body (2) having the first plurality of holes (5) configured to create the first flame torches (7) at the first angle (h) with respect to the horizontal reference plane (P), and the second plurality of holes (6) configured to create the second flame torches (8) at the second angle (k) with respect to the said horizontal plane (P), which is smaller than the first angle, the first and the second plurality of holes (5, 6) being composed of the corresponding groups of holes (5a, 5b, 6a, 6b, 6c). Each group is associated with the same flame torch and consists of, at least, one hole, the total cross-sectional area of each group of holes (6a, 6b, 6c) of the second plurality of holes (6) is larger than the total cross-sectional area of each group of holes 5a, 5b of the first plurality of holes (5), so that the second flame torches (8) have greater force than the first flame torches (7). The main body has a substantially cylindrical or side wall (3) in the form of a truncated cone, through which the first and the second plurality of holes (5, 6) pass. The first angle (h) has a value between 30° and 40°. The second angle (k) has a value between 10° and 20°.EFFECT: invention allows to increase the heating of dishes.38 cl, 4 dwg

Heat shield with carrying structure and method of carrying structure cooling // 2635744
FIELD: heating.SUBSTANCE: each bar of the heat shield has a cold side facing the carrying structure and a hot side opposite the cold side and loaded with a hot medium. Each bar holder has at least one holding portion for fastening to the bar of the heat shield and one mounting portion, with the possibility of being attached to the carrying structure. The mounting portion can be fixed to the mounting slot running in the carrying structure. At least one cold air channel is provided for protection against hot gases. In addition to the mounting slots, at least one air cold slot is provided on the carrying structure. The cold air slot is partially blocked, at least, for the heat shield bars, fixed on the carrying structure, in the longitudinal direction of the cold air slot, so that it forms a slot portion in the shape of a channel, which at least one cold air duct enters. The cold air, flowing out of the cold air channel, can rotate substantially in the longitudinal direction of the cold air slot.EFFECT: heat shield provides cooling of the carrying structure and prevents its scaling due to suction of the hot gas.12 cl, 3 dwg

Heat shield with device for cooling its carrying structure // 2635742
FIELD: heating.SUBSTANCE: heat shield for the combustion chamber of a gas turbine contains a carrying structure and a plurality of bricks fixed dismountable on the carrying structure by means of holders. Each brick of the heat shield has a cold side facing the carrying structure and a hot side opposite it. Each brick holder comprises of at least one supporting portion for fixing a heat shield to the brick and one fixing portion on the carrying structure fixed dismountable within the mounting slots running in the carrying structure. To protect against hot gases in the carrying structure, at least one cooling air passage is provided. It extends down to the bottom of the mounting slot.EFFECT: invention makes it possible to cool the heat shield down and to prevent scaling of the carrying structure.6 cl, 8 dwg
 
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