Storing or distributing gases or liquids (F17)
F17 Storing or distributing gases or liquids(3505)
FIELD: oil and gas industry.SUBSTANCE: automatic gas reducing station contains mounted on a common frame reduction and gas heater blocks in the metal cabinets, separated by the air gap and connected by sealed air ducts, reducing lines, heat exchangers, thermoelectric converter, power stabilization blocks, gas supply regulator, expander with the integrated electric generator, gas pressure and temperature sensor, identifier, break-in sensors, controller and information transmission unit.EFFECT: improving the reliability of the device operation by transmitting process parameters registrations and operational measures taking to ensure the security of gas supply and the device functioning independence from the weather conditions.2 dwg
FIELD: gas industry.SUBSTANCE: invention relates to the main gas transport, particularly to compressor stations of underground gas storages. Device for compression of natural gas includes a centrifugal gas blower consisting of two compression sections arranged on the same shaft in a common housing, connected to the shaft of a driven gas turbine engine, herewith the process connections of the device is made with the possibility of switching the compression sections by means of stop valves to ensure series and parallel operation modes of the blower sections, the device also has three control shutoff valves, a filter-separator, gas air cooling devices.EFFECT: higher reliability and efficiency of the device during the complete period of pumping into the underground gas storage in a wide range of variation of process parameters, as well as reduction of equipment.1 cl, 1 dwg
FIELD: oil-and-gas industry.SUBSTANCE: invention relates to a method of high viscous oil preparation for pumping through a pipeline, the method can be used in oil industry. The method comprises oil heat treatment by heating in heat exchangers and thermal cracking oven, further separation of the thermal cracking products to gas/vapour/liquid and liquid phases in an evaporator, the later phase use as heating medium in the heat exchangers with further separation of the cooled liquid phase to two parts, one part is delivered for quenching cooling of the thermal cracking products prior to delivery to the evaporator, and another part after additional cooling is used as oil component pumped in the pipeline, further separation of gas/vapour/liquid phase of the thermal cracking products in a gas separator to hydrocarbon gas used as fuel of the thermal cracking oven and distillate. Wherein the distillate is subjected to additional separation to the hydrocarbon gas and stable distillate in a stabilization column having a nozzle, the hydrocarbon gas from the stabilization column is mixed with the hydrocarbon gas from the gas separator, and stable distillate after heating in heater is partially used as hot jet delivered to the bottom part of the stabilization column, and partially after cooling in cooler is used as live reflux delivered to the top part of the stabilization column, and balance quantity of the stable distillate is mixed with the cooled liquid phase of the evaporator and delivered for transfer.EFFECT: method of high viscous oil preparation reducing losses during transport and storage by its physical stability increasing.5 cl, 1 dwg, 2 tbl
FIELD: chemistry.SUBSTANCE: suspension comprises ultra-high molecular nonaqueous amorphous poly-alpha olefin separating the agent and the suspension mediumrepresented by organic compounds with a negative solidification temperature. Furthermore, the suspension comprises an additive representing at least one organic polar compound having a dipole moment of not less than 2.0 D, solubility in the suspension medium components and the unbranched spatial stereometry. The suspension can be used in pipeline transportation of crude oil and petroleum products in the conditions of the extreme continental and Arctic climate without its heating prior to injection.EFFECT: according to invention, the suspension due to difficulty of formation of crystallization centres has a lowered solidification temperature.2 cl, 2 tbl, 7 ex
FIELD: monitoring systems.SUBSTANCE: invention relates to continuous monitoring of technical state of main pipeline intended for transportation of gaseous and liquid substances, and allows maximum use of all infrastructure operating in organisations for controlling pipeline processes. System includes a set of sensors for measuring parameters of current state of pipeline, data collection system, a system for processing measured parameters of pipeline, sections of sensors are connected via common main line, transmitting information on state of all sections of pipeline.EFFECT: technical result consists in providing fault-tolerance and repairability of main line transmitting information on state of all sections of pipeline due to introduction of programmable router for remote line, which enables to diagnose type and place of failure of remote line, as well as control connection of sensors of damaged line to adjacent lines.1 cl, 3 dwg
FIELD: oil and gas industry.SUBSTANCE: device for intensification of heavy oil pumping in pipelines comprises an electronic unit, sound emitters connected to the output of the electronic unit, and means of acoustic vibration transmission to the oil pumped through the pipeline, is designed in the form of two identical parts which are symmetrical to the pipe axis, including supporting bars with threaded pins fixed on them and nuts, and acoustic waveguides designed as prisms with grooves for outer bore diameter of the pipeline, wherein the sound emitters are placed between the respective suporting bars and acoustic waveguides and designed as sets of piezoceramic rings with opposite polarization.EFFECT: increased efficiency of oil pumping and simplified design of the structure by providing for the device surface mounting on the pipeline without the need for modification of the pipeline components and welding operations.2 dwg
FIELD: heating.SUBSTANCE: cryogenic liquid vaporizer comprises a housing consisting of the inner and the outer cylindrical shells mounted coaxially with the annular gap and interconnected via the bottom; in the internal housing cavity, an additional cylindrical shell is disposed coaxially forming a single annular channel for the heating medium passage from the evaporator periphery towards its center, each of the shells comprises two rigidly interconnected cylinders, between which channels are formed which are combined into reservoirs for cryogenic liquid supply and discharge, a mixing head with mixing elements, an igniting device and fuel component supply reservoirs mounted on an annular channel inlet.EFFECT: invention use will reduce the evaporator size and weight and improve performance through advanced surface heating.2 dwg
FIELD: oil and gas industry.SUBSTANCE: invention relates to a control method for process modes in the course of pipeline operation based on processing the data of dispatch control system regarding the actual cycling of operating pressure in the pumped medium.EFFECT: increased reliability of the pipeline operation due to predicting and detecting the moments of pipeline operation transition to dangerous operating conditions from the point of view of the cyclic damage accumulation leading to the growth of fatigue defects to a certain state.
FIELD: oil and gas industry.SUBSTANCE: invention relates to the field of pipeline transportation of oil and petroleum products, and intended for on-line detection of leakage of the transported fluid from the pipes. The method for detecting oil and petroleum products leakage, including pressure measurement along the pipeline route, the pressure forecast for the moment of the next measurement is built upon the results of measurements, the difference between the forecasted and measured pressure is computed and the decision on whether there is a leakage or not is made based on the indications of the decision function of the nonparametric fastest imbalance detecting method.EFFECT: invention increases the rate of leakage detection.4 dwg
FIELD: power industry.SUBSTANCE: transmission system comprises primary flow meters which are arranged parallel to each other and each of which is configured to receive the primary measurement of gaseous fuel flow rate portion passing through the commercial transmission system and secondary flow meters located sequentially relative to the primary flow meters, and each of which is configured to receive the secondary measurement of gaseous fuel flow rate passing through the commercial transmission system, wherein each of the primary and secondary flow meters is arranged with a function to lock or unlock, respectively, ensuring prevention or admission of gaseous fuel supply based on the number of gas turbines in operation state.EFFECT: improved accuracy of gas flow measurements and reduction of downtime caused by maintenance or calibration of transmission system flow meters.20 cl, 8 dwg
FIELD: gas industry.SUBSTANCE: invention relates to field of gas industry and can be used in operation of main gas line multi-shop compressor stations. Method of gas pressure stabilization at main gas line compressor station, including natural gas offtake for own process needs, characterized by fact, that gas pressure stabilization is carried out, by installing inter-shop utility bridges between fuel gas supply lines from gas treatment plant to fuel, start-up and pulse gas treatment plant and between fuel and start-up gas treatment plants, representing two mounted pipeline sections, in which two ball valves are embedded, wherein utility bridges connection is made by four welded straight through tee-pieces.EFFECT: providing required stability of off-taken fuel gas parameters, reducing common power consumption due to gas operation from gas main line section disconnected for repair as fuel in adjacent compressor workshops through inter-shop utility bridges between fuel gas supply lines.1 cl, 4 dwg, 1 tbl
FIELD: oil and gas industry.SUBSTANCE: method includes isothermal storage of liquefied petroleum gas (LPG) and its subsequent regasification for supplying it at the specified pressure into the consumption network using vapour compression refrigeration unit which operates in heat pump mode. Via the line the original LPG is fed into the insulated tank where it is kept at a constant temperature not exceeding the boiling temperature of the LPG (from -40°C to - 10°C depending on the composition of the mixture). If required LPG is fed into the condenser of the vapour compression refrigeration unit, where the gas regasification process is done due to the heat released during condensation of refrigerant, following which the gas phase is supplied to the consumer through the feed line.EFFECT: usage of the invention allows to improve energy efficiency and fire and explosion safety of storage and regasification of LPG, to lower metal consumption, to minimize the natural loss of LPG, to provide the necessary performance of the regasification process and constant composition of vaporized gas, to use LPG mixtures with a high content of lighter hydrocarbons.1 dwg
FIELD: production of fittings.SUBSTANCE: group of inventions relates to different media through pipeline pumping process and fluid sampling technique from pipeline and can be used in petrochemical industry, where accuracy of determining flow parameters in pipeline is required. Device includes mixing device, consisting of housing for local change in flow direction in pipeline. In mixing device are installed first mixing element in form of truncated cone with perforation made on its side surface, second mixer interacting with first mixing element due to drive. Mixing elements are arranged with possibility to turn and adjust flow passing through perforation holes mixing intensity on first mixing element side surface due to said holes overlapping or opening by second mixing element and, as a result, change of effective cross-section area during flow passage through first mixing element. At that, during sampling or flow parameters determining in device after both mixing elements in flow direction sampling element with valve or quality analyzer are installed. To change flow effective cross-section by adjustment outside of pipeline to transmit torque from drive hand wheel is used in device. Flow is mixed with permissible pressure drop on mixing in specified flow rate interval. Sample is taken using sampling element or one or more flow parameters are determined using quality analyzer. At that specified flow rate is set. Mixing is carried out under condition that its mixing intensity can be adjusted within permissible limits of pressure drop on mixing due to perforation holes overlapping or opening of on first mixing element side surface during second mixing element rotation by means of rotation mechanism.EFFECT: higher accuracy of fluid pumped via pipeline quantitative and qualitative assessment.3 cl, 1 dwg, 1 tbl
FIELD: measurement technology.SUBSTANCE: invention relates to non-destructive testing, namely to infrared diagnosing and thermal control methods. During thermal control of a pipeline heat insulation the movement of a thermal imaging camera is performed along a helical line around the pipeline with a frequency of its rotation depending on the temperature field maximum change on the outer surface of the pipeline heat insulation in compliance with the law of supercharging gas temperature maximum movement along the pipeline length. Herewith the helical line pitch at the thermal imaging camera movement around the pipeline shall provide obtaining overlapping thermograms taking into account technical characteristics of the thermal imaging camera.EFFECT: higher reliability and information value of the obtained data due to obtaining thermograms of the entire surface of the pipeline heat insulation at a single test.1 cl, 2 dwg
FIELD: chemistry.SUBSTANCE: present invention relates to an anti-turbulent additive of suspension type based on higher α-olefins, characterised by that it is a colloidal solution, which additionally contains technical carbon, potassium palmitate and octanol in following ratio of components, wt%: poly-α-olefin 30–35; technical carbon 1–2; potassium palmitate 1-2; octanol – balance. Present invention relates to a method of producing anti-turbulence additive of suspension type.EFFECT: technical result of present invention is a method of producing and composition of anti-turbulent additive, making it possible to improve quality and quantity of fine-dispersed polymer component in additive of suspension shape, reduced number of steps of producing anti-turbulent additive and increased efficiency of process equipment.2 cl, 1 dwg, 1 tbl, 2 ex
FIELD: engines.SUBSTANCE: invention relates to liquid-fuel rocket engines, particularly, to device to create excess pressure in first reservoir (2), containing at least second reservoir (3) made with possibility to contain cryogenic fluid medium, first loop (13) to create excess pressure to provide interaction between second reservoir (3) and first reservoir (2), wherein first loop (13) to create excess pressure comprises at least first heat exchanger (15) for cryogenic fluid medium flow heating, removed from second reservoir (3) through first loop (13) to create excess pressure, and second loop (14) to create excess pressure with compressor (31b) branching from first loop (13) to create excess pressure and communicating with second reservoir (3). Invention also relates to system (1) of at least first liquid fuel component supply into jet engine, containing at least first reservoir (2), made with possibility to contain first liquid fuel component, and device to create excess pressure in first reservoir (2).EFFECT: invention provides creation of excess pressure in first reservoir comprising second reservoir with cryogenic fluid medium.13 cl, 4 dwg
FIELD: manufacturing technology.SUBSTANCE: shell is intended for articles of aircraft and rocket engineering. Shell comprises two sections 1 and 2, each of which consists of cylindrical part 3 and 4, convex bottoms 5 and 6, flanges in the bottoms pole holes 7 and 8, inner protective coating 9 and 10. Sections consist of a set of spiral 11 and annular 12 layers based on impregnated with a binder unidirectional bundles and annular bulges 13, 14 near cylindrical ends with located in them connecting pins 15, 16 and studs 17. Between connected ends of sections there is metal ring 18 along the external and the internal diameters equipped with centering belts 19, 20, the inner of which are made on their outer surfaces with local annular grooves 21 for locating sealing elements, for example, rubber bundles. Outer ones are made with conical, facing the section and converging to the ring surfaces 22, on the outer surface of the sections bulges there are mating conical surfaces, and along the circumference in the ring there are holes 23 coaxial with located in them connecting studs.EFFECT: simplified assembling process.5 cl, 5 dwg
FIELD: transport; valves production.SUBSTANCE: invention relates to pipeline transport protection, intended for observation, detection and localisation of leakages, including from unauthorized tie-ins, as well as hydrate or paraffin plugs, and can be used in various branches of national economy. Pipeline condition monitoring system includes analogue-to-digital converter, to which are connected personal computer, hydraulic pulse generator as pulse excitation source located at beginning of controlled pipeline section, and intelligent pressure transducers in form of strain-gauge pressure transducers with built-in temperature converter, in which data from sensors in analogue-to-digital converter are converted into digital form with resolution to 0.001 MPa and sampling frequency to 1,024 Hz.EFFECT: technical result consists in unauthorized pressure pulses improvement of accuracy and faster location, reduced time of detection and accuracy leakage point determining, as well as hydrated or paraffin plug in automatic cutting off broken down pipeline section, without waiting for dispatcher command.4 cl, 2 dwg
FIELD: energy.SUBSTANCE: invention relates to hydrogen power engineering and can be used for storage, transportation and distribution (supply) of hydrogen in fuel cells and other power plants. Hydrogen accumulator structure is based on the concept of modular implementation of a hydrogen accumulator in the form of a system of easily replaceable during operation cartridges containing hydrogen in the bound state in a hydrogen-saturated film coating applied on a metal foil tape, which can be folded then into a spiral or another form with a shape providing high degree of compaction. For fixation of the cartridges a system of heat exchange elements with bee cells geometry is used, and a device for extracting hydrogen of the accumulator has a system of needles/knives for depressurization of charged (hydrogen-charged) cartridges after their initial loading into the accumulator. To obtain the possibility of using fast-response time hydrogen thermal desorption modes as the foil material selected are metals or alloys with high ohmic resistance, ends of the foil are connected with electric contacts on the metal end of the cartridge connected with a controlled voltage source. Fast-response time hydrogen thermal desorption is performed by ohmic heating the foil with high resistance, that provides new possibilities for programming hydrogen release parameters.EFFECT: technical result of using the invention are elimination of explosion hazard in emergency situations, higher bulk density of hydrogen in the accumulator and improved operating performances, including minimization of hydrogen release transient modes time down to 0,1 sec, as well as of pressure level in the accumulator at hydrogen supply to consumers.8 cl, 3 dwg
FIELD: measurement technology.SUBSTANCE: invention relates to metrology, particularly to nondestructive inspection aids. Pig-flaw detector comprises cylindrical sealed container, support elements in form of elastic collars, sensors located outside sealed container along the perimeter and connected with electronic unit located inside sealed container. Device comprises power supply unit, orientation and navigation instruments, recorder unit, distance measurement system in form of three spring-loaded wheels located at an angle of 120° to each other. Each wheel is equipped with acoustic transducer mounted on each spring-loaded wheel axis at angle 30°–60° to flaw detector tool central axis. In sealed container there are three distance meters and adder, wherein each transducer is connected to corresponding distance meter input by cable, and each distance meter output is connected with appropriate input of adder, which output is connected to recorder. Measuring device has harmonic signal generator, Doppler frequency shift digital meter, travel speed calculator, travel distance calculator. Harmonic signal generator output is connected with converter and input of Doppler frequency shift digital meter.EFFECT: higher accuracy of covered distance measuring.1 cl, 6 dwg
FIELD: water supply.SUBSTANCE: group of inventions relates to water supply. Method consists in control over water movement in an area of a hydraulic network of an internal fire-fighting water line and control over the use of fire valves located with that area, as well as in logical conversion of incoming information on presence of a water flow within the area of the network and the use of fire valves within that area. Fact of a water leakage from an internal water line network is confirmed by presence of a liquid flow within the controlled area of the hydraulic network and by the closed state of all shutoff cocks of fire valves located with the area of the network. Device comprises a feed or a transit pipeline, lifting or dropping pipes with fire valves arranged on them, shutoff fire cocks of which are provided with indicators of their closed/open position, as well as an address logic information processing unit. Input of each controlled hydraulic area additionally includes hydraulically in series a liquid flow indicator and a controlled valve. Contacts of the indicator are connected to the first conjunction input of the address logic information processing unit. Electromagnet of the controlled valve is connected to the output of the address logic information processing unit. Contacts of each indicator of shutoff cocks of fire valves position are connected to the second conjunction input of the address logic information processing unit.EFFECT: provided is protection of premises against flooding due to emergency disconnection of water supply independently from the place the emergency situation occurrence, provided is operability of the internal fire-fighting water line at failure of tightness of shutoff cocks of separate fire valves under the effect of high temperature of fire, identification of the fire valve, Identification of the hydraulic network area.2 cl, 2 dwg
FIELD: oil industry.SUBSTANCE: objective of invention is monitoring aquatic medium along route of underwater pipeline or oil product by means of reliable and relatively cheap stationary monitoring system, capable of operating at high level of background contamination. To solve set task leak detection system of underwater pipeline or oil product pipeline comprises a monitoring system (MS), intended for detection and monitoring of oil contamination of water samples in a cell installed on shore, selectively filled from regions of water body, located either upstream, or downstream of underwater part of oil pipeline. MS is preferably configured to detect leakage of underwater part of pipeline on basis of differential measurements of contamination of water samples from regions upstream and downstream of underwater part of oil pipeline. MS preferably comprises a remote detector of oil contamination and a set of sensors in contact with water.EFFECT: technical result is continuous monitoring of tightness of oil pipeline, early detection of leaks and reduction of costs for monitoring underwater parts of oil pipelines and oil product pipelines in areas of crossing of water obstacles.12 cl, 1 dwg
FIELD: cryogenics.SUBSTANCE: invention relates to cryogenic engineering, in particular to devices for pumping, filling liquid nitrogen, as well as for freezing of vacuum traps. Device to supply coolant into the cold chamber contains a funnel made integral with a flange and a sealing plug with a vertical through hole located between the neck of a Dewar vessel and a seat in the flange. Tube of the funnel located in the vertical hole of the plug is 5 mm longer than the height of the plug, the upper cylindrical part of the funnel is tightly connected with the lower threaded part of a thin-wall thermo-coupling tube, the upper part of which is equipped with a shaped flange with internal thread, the lower part of which is tightly connected to the upper threaded part of the feeder, while the upper threaded part of the shaped flange is connected with the lower thread part of the outlet union, the upper threaded part of which is intended for connection to the cold chamber pipeline. Upper threaded part of the feeder is provided with a vertical cylindrical cavity, in which there is a metal ball, which is a ball valve. On the outer part the funnel is equipped with a tap made integral with the funnel, the inner threaded part of the tap is tightly connected with a safety valve, the device also includes two hooks located on handles of the Dewar vessel provided with thumbscrews connected by a thread joint with two rods made in the form of bars, the upper part of which is made integral with forks of articulated joints with the flange of the funnel, which is made with mating parts of these joints located on the opposite sides.EFFECT: technical result of the invention is creation of a device to supply coolant into the cold chamber with reliable sealing of the Dewar vessel neck and the possibility to connect the cold chamber pipeline with at least one more device with a Dewar vessel for their subsequent use.1 cl, 4 dwg
FIELD: gas industry.SUBSTANCE: invention relates to a protective hood for pressure gas bottle valve. Protective hood contains a rim which delineates a concealed protective space. Lower end of the rim is fixed on the base intended for installation around the neck of pressure gas bottle. Rim comprises a metal sheet formed by pressing. Upper end of the rim has a knob with attached handle for the hood gripping. Handle has the shape of a hollow hood, which in position whereat it is installed on the rim, contains in its inner area part knob. Invention also describes pressure gas bottle and method of making protective hood for valve for pressure gas bottle.EFFECT: group of inventions is aimed at improvement of mechanical stability of the protective hood, increased service life.15 cl, 6 dwg
FIELD: chemistry.SUBSTANCE: invention relates to a method for hydrogen accumulation and can be used in chemical industry for processing of hydrocarbon gases, as well as in transport and hydrogen technologies. Heated stream, containing water vapour and lower alkanes having one to four carbon atoms, is passed through an adiabatic reactor, filled with a nozzle of a catalyst. Then from heated stream hydrogen is extracted by diffusion through sealed metal wall into a capsule, in which hydrogen-absorbing reaction gas is fed.EFFECT: reduced consumption of energy resources, reduced costs for pumping and losses, associated with emission of excess heat into atmosphere, low cost of production and accumulation of hydrogen.12 cl, 1 dwg, 2 tbl, 2 ex
FIELD: cryogenics.SUBSTANCE: invention relates to cryogenic engineering, namely to devices for pumping and filling liquid nitrogen, as well as for freezing of vacuum traps. Stationary device for supply of coolant in cold chamber contains at least one stationary Dewar vessel, each of which is equipped with flange and sealing circular gasket, located between end of neck of Dewar vessel and seat in flange, made with two branch pipes, located vertically above neck of Dewar vessel. Both branch pipes are made with internal thread in upper part, one of branches is filling one and it is tightly connected by thread with safety valve, made detachable. Second branch pipe is tightly connected by thread with plug, which is also detachable. Middle part of second branch pipe is made with internal thread and seat for upper threaded part of feeder, which is detachable and located coaxially to second branch pipe. Under plug and above upper threaded part of feeder in second branch pipe removal under ball valve chamber is made. Upper part of chamber is made with internal thread and is tightly connected with lower threaded part of nozzle. Flange of helical joint is attached to handles of Dewar vessel and is equipped with tight current leads connected with wires with heater and liquid nitrogen level sensor placed at distance of 30-50 mm above heater.EFFECT: technical result of proposed technical solution consists in creation of stationary device for supply of coolant in cold chamber with possibility of continuous operation mode (for a long time) with large flow rate of liquid nitrogen (10 l/h) and installation of sensor, which allows to signal in advance on ending of liquid nitrogen in operating Dewar vessel.1 cl, 3 dwg
FIELD: manufacturing technology.SUBSTANCE: boss is intended for composite high-pressure reservoir. Design of the boss includes pressure relief means preventing the increase of internal pressure in the boss.EFFECT: increased service life of the reservoir.7 cl, 3 dwg
FIELD: gas industry.SUBSTANCE: device is intended for gas evacuation from a disconnected section of multiline main gas pipeline. Device comprises a two-stage ejector made in the bypass unit of the main gas line or connected to this bypass unit by means of flanges on the pipeline of discharging gas from a disconnected section and pipeline of gas injection into a section, which follows a pumping section, each stage of the two-stage ejector is equipped with a stop cock on active gas supply, and the section between a stop cock of active gas supply into the first stage of the ejector and its nozzle communicated with the gas supply pipeline through an additional stop cock from a disconnected section to a low-pressure chamber of the first stage of the ejector, output of which through the nozzle of passive gas and mixing chamber of the first stage is an input into circular active gas nozzle of the second stage of the ejector, output of second stage of the ejector is connected to the flange pipeline of discharging gas into the section, which follows a pumping section.EFFECT: technical result is increased efficiency of the ejector.1 cl, 1 dwg
FIELD: machine building.SUBSTANCE: boss (1) for composite high pressure container is intended for fluid media. Radial thickness of lip (23) of the boss, positioned between coupling or valve (5) and internal element (2) is selected depending on expected pressure inside the container.EFFECT: technical result is improved reliability of the container.12 cl, 5 dwg, 1 tbl
FIELD: gas appliances.SUBSTANCE: invention relates to gas engineering, particularly to gas-distributing stations (GDS) to reduce gas pressure in a gas line. Technical result is reduction of power consumption of a GDS operation due to using thermal potential of the vortex pipe in production of electric potential in the thermoelectric generator. GDS includes a control unit, a process unit with high and low pressure gas lines, a condensate accumulation vessel connected with the HP gas line and through a shutoff member to the LP gas line, an ejector, a vortex pipe installed on the high pressure gas line, herewith the vortex pipe is equipped with a thermoelectric generator including a housing with a channel for the hot flow and a channel for the cold flow, as well as a set of differential thermocouples, herewith “hot” ends of the differential thermocouples are secured inside the hot flow channel, while “cold” ends of the differential thermocouples are secured inside the cold flow channel.EFFECT: technical result is reduction of power consumption for a GDS operation.1 cl, 2 dwg
FIELD: transportation.SUBSTANCE: method is intended to control/regulate fluid conveyor (112) for conveying fluid (118) inside fluid line (114, 116). Method comprises receiving information (128) regarding a setpoint flow rate of fluid within fluid line; determining energy consumption of fluid conveyer during operation within working range (240) of fluid conveyer; controlling fluid conveyer (112), with regard to a generated flow of fluid (118), on basis of information (128) regarding setpoint flow rate of fluid (118) within fluid line (114, 116) in such a way that, setpoint flow rate of fluid is attained and energy consumption required for this is minimised, wherein it is taken into consideration that working range (240) of fluid conveyer is bounded by non-linear boundary (246, 248, 250, 252). Also described is a corresponding device.EFFECT: reduced power consumption.14 cl, 2 dwg
FIELD: ship building.SUBSTANCE: invention relates to ship building and sea transport and relates to membrane tank structure for transportation of liquefied natural gas at low temperatures. Disclosed is a membrane tank for liquefied natural gas (type VM), having a primary and secondary outer inner membranes, between which, as well as between the inner surface of ship compartment and secondary membrane there is a thermo-insulating layer in the form of rigid heat insulating material, at the same time between primary and secondary tank membranes as well as between the surface of compartment and secondary membrane pressurized volumes are formed for creation of low vacuum in them, while in thermal insulating layer cavities are formed filled with light weight heat insulator.EFFECT: technical result consists in reduction of heat conductivity of membrane tank and, consequently, decrease of liquefied natural gas losses.6 cl, 3 dwg
FIELD: machine building.SUBSTANCE: invention relates to machine building and can be used in designs of gas and hydraulic filters and accumulators and all similar vessels using shells from composite materials, as well as in aircraft and rocket engineering articles, for example, as fuel tanks and solid-propellant rocket engines housings. Power shell 1 comprises coupling end frame 2 with pins 4 arranged in radial slots 3 distributed along circumference. On pins 4 there cylindrical threaded shanks 6 are made, on which circular nuts 7 are arranged, which are in contact with interface ring laminar material along conic surfaces of recesses 8.EFFECT: invention allows to increase joint unit strength and enlarge application of power shells from layered composite materials.1 cl, 2 dwg
FIELD: gas industry.SUBSTANCE: present invention relates to technology of separate extraction of components of gas mixtures, particularly cleaning fluorine-containing gas mixtures from uranium hexafluoride and hydrogen fluoride, and can be used to improve quality and reduce the costs of gas-separation processes. Device for separate extraction of components comprises a cylindrical vessel with heat insulation with a detachable cover, wherein the side surface of the cylindrical vessel has branch pipes for circulation of a gaseous coolant: at the top - for coolant output, at the bottom-for coolant inlet. Inner surface of the cylindrical vessel is equipped with a gaseous coolant flow guide in the form of a rib arranged along the helical generatrix.EFFECT: use of the invention provides the required degree of purification, considerably simplifies the design and servicing of cleaning plant as compared to the use of liquid nitrogen, provides almost complete elimination of manual labour, excludes hazardous factors during production that exist of using liquid nitrogen.1 cl, 1 dwg
FIELD: measurement technology.SUBSTANCE: invention relates to devices for detecting leakage of a water heat carrier in heat-insulated pipelines, closed by a protective casing. Device comprises a metal protective casing, coaxially arranged with annular gap 1 on metal tube 2, made of four metal sheets 4 arc-curved across tube 2. Rectilinear edge of sheets 4 are connected to each other by means of a dielectric spacer, and arc-shaped edges 9 of sheets 4 are connected to each other by means of dielectric ring 10. At ends 15 and 16 of ring 10 there are circular grooves 17 and 18 for placing arc-shaped edges 9 of sheets 10. Electric connectors in the form of lamellae for fixation of the arc-shaped edge 9 of sheet 4 are mounted opposite to each arc-shaped edges 9 of sheets 10 in circular grooves 17 and 18. Electric contact terminals 30 are fixed on external surface 22 of ring 10 and separately connected to each lamella. Measuring instrument 33 is connected to contact terminal 31 of metal pipe 2 by means of electrical conductors 32 and to contact terminals 30 of ring 10 for determining electrical resistance of heat insulation 3 located in annular gap 1.EFFECT: high accuracy of determining leakage point, simplified maintenance of heat-insulated pipelines.4 cl, 8 dwg
FIELD: measurement technology.SUBSTANCE: invention relates to non-destructive testing of pipeline transport, in particular to devices for intratubal diagnostics, and is intended for georeferencing of measurement results, relating the coordinates of detected defects to the coordinates of earth surface. Engineering solution simplifies the design of the system for in-tube flaw detection and improving its reliability owing to the fact that the in-pipe flaw detection system comprises a flaw detector and passive marker patches arranged along the pipeline and made in the shape of bent metal plates and fixed on the surface of the pipeline while their inner surface rests against the external surface of the pipeline, wherein the thickness of the marking patch is ≥ 0.5 of the pipeline wall thickness, and the flaw detector is equipped with a pipeline wall thickness measurement module.EFFECT: proposed is a device for intratubal diagnostics.1 cl, 5 dwg
FIELD: space.SUBSTANCE: invention relates to space engineering and is used to provide and automatically maintain excess gas pressure in thin-walled reservoirs, for example in fuel tanks of carrier rockets at transportation to launchers of ground start complexes. System for maintaining pressure in the reservoir includes a pneumatic line of supercharging coupled with a pressure gauge, pneumatic lines of drainage and measurements. Supercharging pneumatic line includes series-connected by pipelines: a receiver, an electric pneumatic valve, filters installed before and after the receiver, a service washer. Drainage pneumatic line coupled with the pressure gauge includes an electropneumatic valve with series-connected valve gate, parallel-installed safety valve and valve gates. Measurement line comprises pressure sensors connected in parallel. Herewith in the supercharging pneumatic line a valve gate is installed before the electropneumatic valve, as well as the supercharging pneumatic line includes a parallel bypass line with a valve gate installed in it, herewith the supercharging and the drainage pneumatic lines are interconnected by means of a valve gate.EFFECT: technical result is improved reliability and expanded operating performance of the system.1 cl, 1 dwg
FIELD: energy.SUBSTANCE: invention relates to heat engineering and can be used in operation of equipment of thermal power plants for monitoring strength of responsible equipment. Strength monitoring method of hollow part under internal pressure of corrosion-aggressive working medium at high temperature and effects of variable mechanical load, at stage of occurrence and propagation of depth of defects of cracks or penetrating erosions types.EFFECT: possibility of determining time margin for safe stop equipment in case of emergency situation.1 cl, 6 dwg, 1 tbl
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering and can be used for evaporation of liquefied hydrocarbon gas stored in a liquid state. Vaporizer for liquefied hydrocarbon gas comprises a housing filling with a fluid intermediate heat carrier, hollow shell with a blind output end, mounted on the housing axis. In an inner cavity of the shell there is a liquefied hydrocarbon gas supply pipeline, on a cylindrical surface of which there are rows of radial holes, besides, its output end is blind. Vaporizer comprises an annular combustion chamber with a burner device, ignition device located on the cylindrical surface of the annular combustion chamber, tubular heat exchange elements arranged around the shell and connecting the inner cavity of the annular combustion chamber with a chimney located in an output part of the housing.EFFECT: invention usage allows reducing dimensions and weight of the vaporizer, as well as intensifying the evaporation of liquefied hydrocarbon gas.1 cl, 2 dwg
FIELD: gas industry.SUBSTANCE: invention relates to gas supply and can be used for heating and power supply of primary equipment of gas-distributing stations and gas-distributing stations by transformation of pressure energy of transported gas into heat energy and thermal energy into electric energy. Heater-electric generator for gas-distributing station includes on-board housing, in which there are ribbed vortex tubes connected by pipelines with inlet gas line, heat exchanger, thermoelectric generator.EFFECT: technical result is increase in reliability and efficiency of heater-electric generator for gas-distributing station.1 cl, 7 dwg
FIELD: oil industry.SUBSTANCE: invention relates to oil pipeline equipment, specifically to oil pumping stations (OPS) of main oil pipelines having tank farms. OPS for uninterrupted operation, connected through a connection unit with a main oil pipeline, comprises equipment linked to a network of pipelines: strainer unit whose input is connected to connection unit, tank farm whose input is connected to output of strainer unit, booster station whose input is connected to output of tank farm, main pump station, connected to output of booster station, wherein output of main pump station via a pressure control unit is connected to connection unit, wherein output of strainer unit is connected via a check valve to input of main pump station, on pipeline connecting output of booster station to input of main pump station, after point of connection of output of check valve there is a unit of spring-loaded dump safety valves, whose output is connected to an emergency discharge reservoir, and on pipeline connecting output of strainer unit to input of tank farm, there is a disconnecting valve.EFFECT: technical result is providing uninterrupted operation and increased safety of oil pumping station by using a check valve to switch flow of pumped oil supplied from main oil pipeline to input of main pump station during disconnection of tank farm.1 cl, 1 dwg
FIELD: treatment.SUBSTANCE: invention relates to cleaning of inner cavity and in-pipe diagnostic of technological pipelines pumping stations of liquid hydrocarbons and oil processing enterprises. Method of moving in-tube device in the technological pipeline provides cleaning and diagnosing of the inner cavity of the technological pipeline with a roud trip of the in-tube device, which is carried out by alternate switching of the steam of working environment in the forward and reverse directions after achievement by the in-tube device of extreme position on one or other end of section of technological pipeline.EFFECT: cleaning device is equipped with two pairs of shearing units, each of which by means of the movable joints is attached to terminal surfaces of the cylindrical case of the in-tube cleaning device.1 cl, 3 dwg
FIELD: aviation.SUBSTANCE: present invention relates to aircraft engineering, rocket and space engineering, particularly to liners that are used in high pressure cylinders. Method for making thin-wall seamless liner for composite tanks made from titanium alloys involves filling granules of high-strength titanium alloy into a metal capsule. After filling a capsule with granules vibration compaction and heating are stopped, the capsule with granules is sealed by an electron beam and removed into the air, and then they are checked for tightness. After checking, the evacuated granules in capsule are subjected to hot isostatic pressing, after which the obtained as a result of compacted capsule of liner billet is lowered into the vessel with solution of acids to dissolve the outer and inner shells, after that a thin-wall seamless liner from high-strength titanium alloy is removed from the solution of acids and checked for compliance with the geometrical parameters. Thin-wall seamless liner for composite tanks made from titanium alloys consists of a cylindrical shell, two bottoms which are located on one axis and coupled, so that the cylindrical shell is located between the two bottoms of the liner. Two flanges, each is coupled with one of the bottoms of the liner. There is a hole at the central axis of each flange; the cylindrical shell, bottoms and flanges are connected into a single, monolithic and equally strong structure without welds and connections.EFFECT: higher reliability, reduced weight, higher strength and service life with increased complexity of configuration and minimum machining of the liner.8 cl, 1 dwg
FIELD: machine building.SUBSTANCE: invention relates to machine building, namely to mobile fuel filling modules, which serve for reception, storage, and distribution of liquefied gas. Refuelling module for liquefied gas includes housing with bottom, roof, and side walls equipped with through holes. In housing there are liquefied gas tank with double walls, pumping equipment, gas distribution stand, shutoff and regulating equipment, as well as trunk pipelines including main trunk providing tank filling with liquefied gas, and trunk connecting said tank with gas distribution stand. Refuelling module additionally contains bath for accidental spillage located under tank for liquefied gas, as well as cylinders with nitrogen, equipped with devices for supplying it into tank for liquefied gas and trunk pipelines. Housing of refuelling module contains partitions dividing it into nitrogen compartment, wherein cylinders with nitrogen located, process compartment, wherein tank for liquefied gas and bath for accidental spillage accommodated, pump compartment to house pumping equipment, and gas distribution compartment, wherein gas distribution stand located. Lower parts of housing walls are solid, and upper parts of housing walls, at least in area of process compartment, have installed ventilation grids on both sides, with through slots.EFFECT: technical result achieved by implementation of invention, is easiness of use and safe operation of module.6 cl, 2 dwg
FIELD: insulation.SUBSTANCE: group of inventions relates to a method of an insulation coating installation and a block with an insulating coating for cryogenic tanks. Method of insulation coating installation includes the step of transportation, at which block (1) with the insulating coating is transported, wherein insulating coating (2) and transportation holder (3) are interconnected between inner reservoir (60) and outer reservoir (50) of the tank with double shell in suspended state; and the step of mounting, at which block (1) with the insulating coating is mounted on the facing plate of inner reservoir (60). Transportation holder (3) is formed by fastening pin (34) for fixation of the insulating coating to main body (3A) of the holder with a pin joint. Insulating coating (2) is held on pin (34) for fixation of the insulation coating.EFFECT: invention increases efficiency rate of insulating coatings installation and improves safety during the installation. 8 cl, 10 dwg
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering and can be used for evaporation of liquefied hydrocarbon gas stored in a liquid state. Evaporator of liquefied hydrocarbon gas comprises a housing consisting of outer and inner walls. In outlet part housing is made blind, additional heat exchanger positioned on the axis of the housing and consisting of three rigidly interconnected cylindrical shells, forming annular cavities for passage of liquefied hydrocarbon gas, mixing head, located in the inlet part of the housing and including sleeves arranged regularly in circle, fire and outer bottom, fuel manifold with nozzles arranged regularly in circle, ignition device located on the side surface of the housing. In outlet part of additional heat exchanger there is a smoke stack.EFFECT: invention usage allows to reduce dimensions and weight of the evaporator, as well as intensify the evaporation of liquefied hydrocarbon gas.1 cl, 2 dwg
FIELD: pipes.SUBSTANCE: method and device are intended for determining presence of deposits in cavity of linear section of pipe of constant flow section when pumping oxygen-containing flow. Method involves irradiating oxygen-containing stream. Creating a radioactive label in oxygen-containing flow with fast neutron radiation in pulsed mode. Detecting gamma-quanta. Analysing spectrum for presence of energy peak of gamma quanta with energy 6.13 ± 0.62 MeV from oxygen. Label transfer time is determined as difference of moments of beginning detection of gamma-quanta from oxygen label. Transfer time is measured on series-arranged equal-length parts of investigated pipe section. Presence of deposits at section corresponding to minimum transfer time of label is determined. Device includes pulsed fast neutron source 2, unit for detecting gamma-quanta 1, data analysis system 4 and power supply sources 3. Pulsed fast neutron source 2 is located outside pipe 6. Unit for detecting gamma-quanta 1 is located outside pipe 6 and is connected to data analysis system 4. Unit for detecting gamma-quanta 1, pulse fast neutron source 2 and data analysis system 4 are connected to power supply sources 3.EFFECT: technical result is higher operating performances, specifically detection of points of deposits without stopping operation of pipe and without removal of insulation therefrom.2 cl, 2 dwg
FIELD: engines and pumps.
SUBSTANCE: device comprises pump 1, connected with suction 2 and discharge pipelines 4. Pump drive is made in form of impeller machine, which impeller is fitted in outer casing. 10. On impeller is fixed external magnetic half-coupling 14. Shaft 17 of impeller machine is installed in inner housing 16 and provided with inner magnetic half-coupling 18. Screen between magnetic half-couplings is wall of inner body made of nonmagnetic material. On shaft there is cam 22 connected with rod of pump. Housing 9 of pump is tightly connected with external and internal housings, in outer casing on side of turbine there is tapering element.
EFFECT: due to usage as impeller machine drive operated from flow energy of pumped product, higher reliability of dispensing is achieved.
12 cl, 5 dwg
FIELD: gas industry.
SUBSTANCE: invention relates to devices for delivery of compressed gas to consumer, mainly in field of aerospace engineering and aims at simultaneous provision of carrier rocket power plant systems with compressed gas obtained from one source, different required pressure and flow rate during process operations on technical complex. Gas-distributing module is made in form of blocks containing one or more identical combined feed manifolds, main lines with series-arranged electropneumatic feed valve and drainage, throttle, a pressure sensor and outlet nozzle, and switching unit, consisting of lines with series installed electropneumatic feed valve, pressure sensor and electropneumatic valve.
EFFECT: simultaneously providing carrier rocket power plant systems with compressed gas obtained from one source, different required pressure and flow rate during process operations on technical complex.
FIELD: gas industry; construction.
SUBSTANCE: invention relates to design for storage of liquefied natural gas (LNG) in offshore structure housing compartment containing self-supported primary barrier, secondary barrier surrounding self-supported primary barrier, and space for access between self-supported primary barrier and secondary barrier, where self-supported primary barrier represents self-supported tank LNG and is connected with compartment housing by means of support devices, penetrating into secondary barrier, secondary barrier is impermeable for liquid heat insulation, connected with housing inner surface, and is sealed with support devices with help of flexible watertight seal so that self-supported primary barrier and secondary barrier are connected separately with housing compartment for prevention of force transfer between primary barrier and secondary barrier.
EFFECT: increased structure reliability and manufacture ability.
7 cl, 2 dwg