(57) Abstract:Usage: for burning gaseous fuel. The inventive around the mixer 2 and concentric he posted an electromagnetic system comprising a magnetic circuit 5 with magnitofonnyj windings 6, the outer side of the mixer 2 where it mates with the confuser 1 and the diffuser 3 with the permanent magnets 7, additionally, smesitel 2 equipped with 8 input-output magnetic fluid. 1 C.p. f-crystals, 1 Il. The invention relates to a device for the combustion of gaseous fuels.Known injection burners containing consistently located confuser, mixer, diffuser, the gas nozzle installed at the entrance to the confuser .These injection burners ineffective due to insufficient mixing of fuel gas with air, and also because of the impossibility of regulating orifice mixer.The closest in technical essence to the proposed device is injection burner containing gas nozzle installed at the entrance to the confuser, adjacent to the mixer fitted with the output diffusion-confused nozzle angle Ruslany around the diffusion area of the nozzle and connected to the cavity through the openings, made on the lateral surface of the cone and the axis of these holes is inclined to the axis of the burner at an angle equal to half the opening angle of the cone .This injection burner selected as a prototype.This burner is ineffective due to insufficient mixing of fuel gas with air, due to a lack turbulization miscible gases and the presence near the walls of the mixer sedentary boundary layer, is not taking part in the processes of mixing, but also because of the impossibility of regulating orifice mixer.The aim of the present invention is to eliminate these shortcomings in the developed design injection burners.This goal is achieved by the fact that the injection burner containing consistently located confuser, mixer, diffuser, gazoopa installed at the entrance to the confuser, according to the invention around the mixer and concentric with him is an electromagnetic system comprising a magnetic circuit with multiphase windings, the outer side of the mixer in places of pairing it with the confuser and diffuser installed permanent magnets, in addition, smesitel the wasp and the T-shaped tube, introduced into the cavity of the mixer.Accommodation around mixer and concentric with him an electromagnetic system comprising a magnetic circuit with multiphase windings, the installation on the outside of the mixer in places of pairing it with the confuser and cone permanent magnets, the supply of the mixer system I / o MF, which may consist of a tank with MF, pump and T-shaped tube, is introduced into the cavity of the mixer - these attributes define the novelty of this technical solution.Similar technical solutions in the field of devices for burning gaseous fuels us when patent search was not found. This allows you to make a judgment that the proposed device has significant differences.The drawing shows the injection burner (longitudinal section), equipped with a system I / o MF consisting of a T-shaped tube, pump and tank with MF.Injection burner contains consistently located confuser 1, a mixer 2, a cone 3, the gas nozzle 4, installed at the entrance to the confuser 1, the magnetic circuit 5 with multiphase windings 6, placed around the mixer 2 and concentric with him the permanent magnets 7, installed on the outer side with FF 8, pump 10 and the T-shaped tube 11 with a valve 12, is introduced into the cavity of the mixer 2. The flow of combustible gas is shown by arrows 13 and the air - arrows 14.Injection burner works as follows. Winding 6 of the magnetic circuit 5 is connected to the source of multiphase alternating voltage, while the inside of the mixer 2 generates a magnetic field rotating around the longitudinal axis of the mixer 2. Then open the valve 12 and the pump 10 from the tank 9 through the pipe 11 to the inside of the mixer 2 is fed the required number of MFS 8, after which the valve 12 is closed. Inside the mixer 2 MF 8 under the influence of a magnetic field electromagnetic system (5,6) is distributed on the inner walls of the mixer 2 and moves along the field. Through the gas nozzle 4 in the confuser 1 is a combustible gas (see arrow 13), the gas stream injects air (arrow 14), both threads 13 and 14 are in the mixer 2, where begin to mix. Layers flows near the walls of the mixer 2, in contact with a moving surface MF 8, turbulizers, this turbulization forces aerodynamic friction is transmitted to the middle layers of threads 13 and 14, resulting in the mixing of fuel gas and air is considerably accelerated. In addition, the moving surface Psychiat the efficiency of the device. In addition, upon contact with the surface of the breast 8 dust-like impurities contained in the gas and air, wetted with liquid-based MF 8 and linger in her layer, which improves the combustion of the mixture.For best performance, it is necessary that the field strength inside the mixer exceeded a certain critical value, which depends on the properties of the used MF and existing types of breast achievable. When this condition layer MF 8 will be a non-stationary needle-like structure with a large area of the free surface, which will increase the turbulization and increase the efficiency of gas purification from pollution.System I / o MF allows you to adjust the flow area of the mixer 2. If necessary to reduce the flow area through the tube 11 when you open the valve 12 from the tank 9 by the pump 10 to the mixer 2 is fed additional breast volume 8, rotating magnetic fields electromagnetic system (5,6) are distributed along the perimeter of the mixer 2, while the flow area of the latter is reduced in proportion to the introduced volume of FF 8. If necessary to reduce the flow area of the mixer 2 from it analnie from the pressure of the combustible gas in the nozzle 4, because the burner has the best efficiency at a certain ratio bore of the mixer 2 and the gas pressure in the nozzle 4. This can be used any electrical or Electromechanical control system.At the end of the burner first from the mixer 2 by a pump 10 through a pipe 11 FF 8 is pumped into the tank 9, and then the tension is removed from the windings 6 of the magnetic circuit 5.Permanent magnets 7, placed on the outside of the mixer 2 in places of pairing it with the confuser 3 create inside of the mixer 2 through the edges of the stationary magnetic field. During burner operation, these fields are superimposed on the rotating field created by the electromagnetic system (5, 6); the resulting field is complicated by the nature of the movement MF 8, which increases the degree of turbulence in the gas flow 13 and 14. In addition, the magnetic field of permanent magnets 7 prevent leakage MF 8 remaining in the mixer 2 after the operation of the burner that the confuser 1 and the diffuser 3, and by removing the voltage from the windings 6 in case of emergency on the operating burner. 1. INJECTION BURNER containing consistently located confuser, mixer, diffuser, the gas nozzle installed hiring, including a magnetic circuit with multiphase windings, the outer side of the mixer in its pairing with confuser and diffuser installed permanent magnets, in addition, the mixer is equipped with a system of input-output magnetic fluid.2. Burner under item 1, characterized in that the system I / o ferrofluid consists of a magnetic fluid tank, pump and T-shaped tube, is introduced into the cavity of the mixer.
FIELD: injector torches, applicable in process heaters mainly of dangerously explosive and fire hazardous objects of oil chemical industry.
SUBSTANCE: the multiflame injector torch has outer intermediate and inner exhaust pipes coaxially installed in the torch axis, they form the respective circuits of delivery of the fuel-air mixture so that the outer and intermediate pipes made in the form of truncated cones face the torch area of the thermal set if viewed from the vertex, and on the side of the foot they are connected to the injectors located in concentric circles through a cross plate, the maximum diameter of the outer pipe should be not less than the inside diameter of the torch area limited by lateral shields, according to the invention, the axes of the injectors of all the circuit are parallel with the common axis of the torch, detachable deflectors of the fuel-air mixture are installed at the inlet to the circular cavity between the outer and intermediate cones, at the outlet of the diffusers of the injectors of the outer circuit in the direction tangential to the diameter of circumference of location of the mentioned injectors, perpendicularly to the plate, a cylindrical probe with an axial vane swirled is installed, a short diffuser-knuckle forming the torch embrasure is fastened at its outlet, the circular cavity between the intermediate cone and the upper pipe is divided by a lateral partition into two parts so that in the front part positioned and joined to the partition are the injectors of the intermediate circuit and of the ignition torch, and behind the partition, in the circular gap between the swirler bush and the inner pipe installed is the collector perforated by the outlets, the toroidal cavity of which is connected by means of detachable branch pipes to the outlet from the diffusers of the injectors of the intermediate circuit.
EFFECT: enhanced safety of use of the gas equipment, for example, in the natural gas heaters at the inlet of the gas-distribution stations located in the areas with a cold climate.
FIELD: by-product-coking industry; metallurgy industry; other industries; production of Venturi burners with the furnace flue.
SUBSTANCE: the invention is pertaining to Venturi burner, which is supplied with the nozzle (14) of the burner mounted on the butt side of the combustion chamber (16), the furnace flue(18), which embraces the combustion chamber (16), and the frontal) screen (20) of the combustion chamber, which limits the combustion chamber (16) concerning the nozzle (14) of the burner. For solution of the special problem concerning the sealing of the combustion chamber (16) and the thermal insulation of the structural components of the heating device (10) from its burner (12) the nozzle (14) of the burner is fixed exclusively on the frontal screen (20) of the combustion chamber. The furnace flue(18) in its end area (38) turned from the frontal screen (20) of the combustion chamber is fixed on the external tube (40), and between the frontal screen (20) of the combustion chamber and an external tube (40) there is the formed annular clearance (42) for the air passing.
EFFECT: the invention ensures solution of the problem concerning the sealing of the combustion chamber and the thermal insulation of the structural components of the heating device from its burner.
11 cl, 1 dwg
FIELD: metallurgy industry, applicable for drying and heating of casting ladles.
SUBSTANCE: the claimed gas burner has an inner gas-air ejector with a header, nozzles for supply of natural gas, mixing chamber, inlet and outlet diffusers, flame stabilizer, the burner is made in the form of two coaxially positioned ejectors-an inner cylindrical gas-air ejector and an outer annular air ejector. The flame stabilizer and the posts fastening it of the inner cylindrical gas-air ejector, as well as the exterior and interior surfaces of the outlet diffuser at length L=Da, where Da- the diameter of the diffuser outlet section, are subjected plasma spraying by refractory metal, for example, aluminum oxide.
EFFECT: enhanced efficiency.
SUBSTANCE: invention is related to power-engineering and can be used for preparation and submission of air-fuel mixture to combustion areas, mainly, gas turbines and steam gas installations combustion chambers, and also in industrial furnaces and others fuel-firing systems, which allows to simplify the design and provide a stable operation of a torch at preservation of required environmental properties. The torch contains a fuel header (1), channel (2) for fuel supply, nozzles (3), injection mixing chamber (4), swirlers (10) and (12). The fuel header (1), along the course of fuel movement, is terminated in the injection mixing chamber (4). The mixing chamber (4) is formed by a profiled ring (5) and a profiled insertion (6) located on the chamber axis, the said ring and insertion creating a 'confusor/diffuser' with formation of an injection zone (7). A case (8) is installed on the fuel header (1) from the side opposite to that of the fuel supply, with a ring air supply channel (9) formed between them. The ring air supply channel (9) is equipped with the swirler (10). The injection mixing chamber (4) is furnished with windows (11) and the swirler (12) of air-fuel mixture. The nozzles (3) are arranged circumferentially on the fuel header (1) face wall. Axes of nozzles are located at an angle to the torch axis and directed towards the geometrical centre of the swirler (12) vanes. Swirlers (10) and (12) are located in two circles with one circle above the other. Swirler (12) vanes present extension of the swirler (10) vanes and are made integral. Burning area (13) is arranged behind the swirler.
EFFECT: simplification of design and maintenance of stable operation of a torch at preservation of required environmental properties.
FIELD: power industry.
SUBSTANCE: two-stage gas burner consists of a gas valve of the second stage, which is connected to a control unit, the latter is connected to draft sensor, an electromagnetic valve, an operating temperature sensor, which includes a microswitch, with that, the gas valve of the second stage is connected to the main burner; with that, the two-stage gas burner also includes a gas valve of the first stage, which is connected to the control unit, and the latter is connected to a delivery gas sensor and a limit temperature sensor.
EFFECT: invention allows providing instantaneous (within 2-3 seconds) trip of a gas valve of the second stage and provides high reliability of supply of heat and hot water to consumers.
SUBSTANCE: invention proposes a multiflame burner containing burner atomisers (10-15) fed by combustion gas, particularly for heat treatment of materials, in which at least one of burner atomisers (10-15) is provided with at least one hole (40) of an auxiliary atomiser, which is located alongside of system (30) of the main atomisers for creation of working flame (60, 70), to create auxiliary flame (80) in the direction of at least one adjacent atomiser (10-15) of the burner.
EFFECT: invention is aimed at obtainment of a burner with improved direct ignition properties.
8 cl, 4 dwg
SUBSTANCE: present invention relates to heat engineering and is intended for combustion of gaseous fuel in domestic boilers and other thermal units. Module of a multi-nozzle ejection burner includes an ejection mixer, combined with a head, containing a breast and nozzle; at the outlet of the throat a gas flow spreader is installed to spread the flow to the depth of 2-3 slots. Breast is displaced from the axis of the mixer throat to the value of at least 0.7 of the mixer throat diameter.
EFFECT: invention allows to provide flame stability and exclude breakthrough of gas into the head and separation of flame, ensure complete burning of gas with reduced level of harmful impurities and heat lost with exiting gases, ensure even heating along the height in the device.
1 cl, 3 dwg
SUBSTANCE: invention relates to power engineering, in particular, to diffusion-kinetic burners, and can be used in production of blow burners with forced air supply into the cylindrical boiler furnace. Diffusion-kinetic burner consists of case 1 in the form of a panel, on which there are gas distributing tubes 2 with holes 3, and the above each hole 3 confuser-diffuser elements 4 are placed, they are confined on four sides by guide frame 5, burner is connected to pipeline 6 with gas valve, multifunctional regulator 7, ball valve 8, case 1 of the panel is connected to duct fan pressure pipe 9 with the help of air duct 10, on case panel 1 ignition device 11 is also placed, duct fan 9 is equipped with adjusting washer 12 installed on the suction tube, and ignition device 11 comprises thermobimetallic plate 13, valve 14 of ignition device 11, flame sensor 15. Pneumatic diffusion-kinetic burner circuit comprises control channel 16 with jet 17, electromagnetic valve 18 with nozzle 19, pneumatic devices are connected to pulse tubes 20. Electric diffusion-kinetic burner circuit comprises automatic 21, electromagnetic valve 18, fan 9, working thermostat 22, limit thermostat 23 with its contacts (not shown in figure), electromagnetic valve 18 is connected with its nozzle 19 with pneumatic burner diffusion-kinetic circuit.
EFFECT: technical result, which can be obtained by means of the present invention, is reduced dimensions and expanded functional capabilities.
1 cl, 4 dwg
FIELD: mode of incineration of hydrocarbon fuel and an arrangement for its realization refers to engines and power engineering with working processes including preliminary processing of fuel.
SUBSTANCE: the invention may be applied for incineration of fuel as in a periodic regime which is characteristic for reciprocating motors of internal combustion so as for fulfillment of streaming regimes of incineration of fuel, for example, in jet, turbojet, gas turbine engines and power installations. The mode realizes induced destruction of molecules of metastable intermediate products of incomplete oxidation of hydrocarbons, accumulated in gas volume of fuel-airy mixture, by way of power impact leading to explosive three-dimensional spontaneous combustion of gas mixture. Peculiarity of the mode consists in that fuel-airy mixture is enriched with free electrons and power impact on molecules of the mixture for excitation of oscillatory degrees of freedom of molecules is fulfilled by means of their inelastic concussion with free electrons, speeded up by electric field, which tension E is less than tension of switching to independent gas discharge. Enrichment of fuel-airy mixture with free electrons is fulfilled by way of its ionization or by way of injection of electrons. The installation for realization of this mode has a combustion chamber with a source of power impact. The source of power impact consists of a unit of enrichment of fuel-airy mixture with free electrons and a source of a speeded up electric power which includes a system of electrons with controlled multiplexer switch connected to the sources of high-voltage tension. The invention allows to realize in a necessary moment of time momentary development of three-dimensional radical explosion in fuel-airy mixture due to simultaneous destruction of the majority of accumulated metastable molecules of intermediate products. Destruction of molecules of intermediate products generates a great number of active radicals and particles dividing and creating new circuits of reaction of oxidation of hydrocarbon and leads to development of chain-radical explosion.
EFFECT: high effectiveness of incineration mode.
21 cl, 7 dwg
FIELD: combustion of mainly liquid fuel.
SUBSTANCE: proposed method includes fuel spraying by non-ozonized gaseous agent flow, ozonization and incidental feed of non-ozonized agent, mixing, and inflammation of mixture; in the process ozonized agent is fed for mixing perpendicular to non-ozonized flow into its eddy space formed by flow expansion. Non-ozonized gaseous agent flow feed is calculated from formula q2 = C2q1/C1, where C1 is economically efficient (optimal) concentration of ozone upon mixing of flows, mg/m3; C2 is ozone concentration in ozonized agent, mg/m3; q1, q2 are feeds of ozonized and non-ozonized flows, respectively, m3/h. Fuel combustion device has duct, movable converging-diverging nozzle, fuel nozzle, annular expansion chamber, and spark plugs. Expansion section of converging-diverging nozzle body has at least one through hole in the region of maximal velocity head communicating through gas conduit with ozone source.
EFFECT: enhanced efficiency of fuel combustion in ozone-air mixture.
3 cl, 1 dwg