Refrigeration or cooling and combined heating and refrigeration systems and heat pump systems and manufacture or storage of ice and liquefaction or solidification of gases (F25)

F25            Refrigeration or cooling; combined heating and refrigeration systems; heat pump systems; manufacture or storage of ice; liquefaction or solidification of gases(9509)

ethod of gas condensate deposits complex processing with c3+ hydrocarbons deep extraction and plant for its implementation // 2615703
FIELD: gas industry.SUBSTANCE: invention relates to field of gas industry and can be used in field gas condensate deposits processing. Field gas condensate deposits production preparation method involves formation mixture separation with production of sour gas and unstable gas condensate, sour gas adsorption dehydration and unstable gas condensate deethanization, dried gas deep cooling with production of marketable natural gas and broad fraction of broad fraction of light hydrocarbons (BFLH) and BFLH low-temperature deethanization. Plant includes, at least, one slug catcher, which gas outlet is connected with absorption dehydration unit through cooling device, and condensate output is connected with tank-separator, which gas output through first gas pumping unit is also connected to absorption dehydration unit, which output is connected through first and second recuperative heat exchangers cooling channel and intermediate separator with turbo expanding assembly throttling device, which output is connected with low-temperature separator. Outputs of intermediate and low-temperature separators for condensate are connected via recuperative heat exchanger with low-temperature deethanization tower, to output of which are in series connected reflux exchanger, third recuperative heat exchanger, second gas pumping unit and marketable dried gas discharge line. Low-temperature separator gas output is in-series connected with reflux exchanger tube side and with marketable dried gas discharge line.EFFECT: reducing marketable gas dew point and minimization of hydrocarbons C3+ loss by deethanization gases.5 cl, 1 dwg

Refrigerator equipped by sparkling water makingg device // 2615360
FIELD: food industry.SUBSTANCE: refrigerator comprises a body, a storage chamber formed in the body and having open front side, a door to open or close the open front side of the storage chamber, a water tank to keep clean water, a sparkling water making unit which is installed at the rear door side. The sparkling water making unit comprises a cylinder with carbon dioxide to keep the latter, a sparkling water tank to make sparkling water by mixing the clean water with carbon dioxide, and a gas regulator to adjust the pressure of carbon dioxide escaping from the carbon dioxide cylinder into the spakling water tank, and a safety device for selective movement of the carbon dioxide cylinder to or from the gas regulator thus connecting or disconnecting the said cylinder to or from the gas regulator.EFFECT: usage of the said invention allows for safe replacement of the cylinder.11 cl, 26 dwg

Processing method of main natural gas with low calorific value // 2615092
FIELD: oil and gas industry.SUBSTANCE: processing method of the main natural gas with a low calorific value, contains the stage of zeolitic drying and purification of the initial main natural gas from the impurities, stage of the natural gas cryogenic separation with the helium, nitrogen and wide light hydrocarbon fraction recovery, the further stages of wide light hydrocarbon fraction purification and the stage of the saleable liquefied petroleum gas as propane, butane, fraction C5 and higher extraction. The initial main natural gas is divided into three parts: the first part is sent to the power production for their own use, the second part is sent to the production of saleable products through the subsequent stages of zeolitic drying and purification of the initial main natural gas and cryogenic separation of natural gas with helium, methane and broad fraction light hydrocarbons extraction, the subsequent purification stages of wide light hydrocarbon fraction and extracting the saleable liquified hydrogen gas, such as propane, butane, fraction C5 and high, the third part is sent to the methane compounding, extracted from the second part of the initial main natural gas.EFFECT: development of power-efficient method of processing the main natural gas.5 cl, 2 dwg
ethod for natural gas processing with c2+ recovery and plant for its implementation // 2614947
FIELD: chemistry.SUBSTANCE: method allows to extract sales gas with three pressure levels (low, medium and high), C2+ fraction and helium concentrate from natural gas by low-temperature separation, heat exchange and distillation. The plant comprises seven recuperative heat exchangers, two of which are multithreaded, a demethanizer, equipped with plates having different temperatures, and a boiler, two low-temperature separators, a turbo-expander unit, which includes an expansion turbine and a turbocharger, a column for helium pre-concentration with a built-in boiler, a column for helium concentrate extraction with a built-in boiler and a reflux condenser, a liquid pump, piping and six throttles.EFFECT: increased efficiency of gas processing, ensuring the efficiency and depth of natural gas target components extraction in case of change of the feed gas composition supplied to the plant.2 cl, 1 dwg

Cooling system // 2614417
FIELD: household appliances.SUBSTANCE: proposed cooling system comprises refrigeration circuit (1), circulating a refrigerant and comprising in flow direction of refrigerant: at least one compressor; (2a, 2b, 2c, 2d); at least one condenser (4); at least one expansion device (8, 10); and at least one evaporator (11) for providing a cooling capacity. Cooling system further comprises: subcooling circuit (20) for subcooling refrigerant circulating in refrigeration circuit (1), subcooling circuit (20) being configured to circulate a subcooling refrigerant and comprising at least one subcooler compressor (22, 23); at least one heat exchange means (6, 7) being arranged downstream of said at least one condenser (4) and being configured for heat exchange between refrigeration circuit (1) and subcooling circuit (20), said at least one heat exchange means (6, 7) comprising at least one temperature sensor; and control unit (15) which is configured for controlling at least one compressor (2a, 2b, 2c, 2d) of refrigeration circuit (1) and at least one subcooler compressor (22, 23) of subcooling circuit (20) such that cooling capacity to be provided by at least one evaporator (11) is met, and such that temperature in said at least one heat exchange means (6, 7) measured by at least one temperature sensor is in a predetermined range.EFFECT: use of invention increases efficiency of refrigeration circuits.21 cl, 3 dwg
Independent circulation thermal electrical pump for heating systems // 2614349
FIELD: heating.SUBSTANCE: thermal electric pump comprises a feed pipeline (1) with thermoelectric unit (3), connected with electric wiring to an inverter (4), battery (5) and pump motor (6) mounted in pipeline (2). Block (3) consists of two semi-cylindrical shells with longitudinal slots in which ongitudinal ribs are inserted. Inside ribs over their entire length, zigzag rows are placed consisting of sequently plaved and interconnected thermionic converters consisting of a pair of segments made of different metals. The segments ends are flattened, tightly pressed against each other and located near the edges of the ribs pressed against the heating zone to the pipeline section (1) surface and in the cooling zone. The zigzag rows free ends of each rib pair at one end in the cooling zone are connected by bridges, and on the opposite are interconnected in the cooling zone through the condensers, forming thermoelectric sections. The condensers are connected through their bridges in series with each other, forming a thermoelectric unit provided with current terminals with the like charges, connected with wiring to inverter (4).EFFECT: increased efficiency and reliability of the heating system.8 dwg

Throttle-free heat pump unit // 2614133
FIELD: engines and pumps.SUBSTANCE: throttle-free heat pump unit comprises heating and cooling circuits, compressors are positioned between the circuits. An additional reservoir containing a coolant is connected to the copper pipe on the side of the cooling circuit and upstream of the compressor via a motor operated valve.EFFECT: invention use allows to perform heating and cooling of gases, liquids and solids, dehumidification of air and heat recovery with the possibility of independent control of heating and cooling circuits' temperature parameters.1 dwg

ethod for liquefying a natural gas, including a phase change // 2613766
FIELD: gas industry.SUBSTANCE: invention relates to a method and apparatus for liquefying a natural gas in cryogenic heat exchanger (EC1) by indirect contact circulation with flow (S1) of coolant entering in said heat exchanger (EC1) at temperature T0 and at pressure P1. Said coolant is then expanded at cold end (BB) of heat exchanger (EC1) in order to return into a gaseous state at pressure P'1, lower than pressure P1, and at temperature T1, lower than temperature T0, before exiting hot end (AA) of said heat exchanger (EC1) in a gaseous state at temperature T0. Said coolant is then partially liquefied again and conveyed to inlet (AA1) of said exchanger by compression in first compressor (C1), then by a partial condensation in first condenser (H0) and by a phase separation. First liquid phase (d1a) is conveyed at least in part to said first inlet (AA1). First gas phase (d1b) is compressed by second compressor (C1A) and then cooled in desuperheater (DS) by contact with portion (d1c) of said first liquid phase (d1a) at the outlet of said first separator, before condensation in second condenser (H1).EFFECT: technical result is higher stability and reliability.15 cl, 5 dwg

Air conditioning system, including device controlling pressure and bypass valve // 2612995
FIELD: ventilation.SUBSTANCE: air conditioning system contains the first and the second heat exchangers at the use side, and the heat exchanger on the heat source side, respectively connected in series; a compressor, connected between the first heat exchanger on the use side and the heat exchanger on the heat source side; an expansion valve, connected between the first heat exchanger at the use side and the second heat exchanger on the use side; pressure control device, connected between the second heat exchanger on the use side and the heat exchanger on the heat source side; and the bypass valve, connected between the expansion valve and the heat exchanger at heat source side, at that, the pressure control device is designed to keep the coolant, flowing from the second heat exchanger at the use side to the heat exchanger at the source side, at a given pressure, the bypass valve is designed with capability to provide the coolant bypass from the expansion valve of the second heat exchanger at the use side and the pressure control device, and the pressure control device and the expansion valve is designed in cooperation with each other in order to keep the compressor temperature lower the maximum acceptable temperature, specified for compressor.EFFECT: decrease of the coolant temperature, flowing into the compressor from the heat exchanger, upto the level at which the temperature of the coolant, flowing from the compressor is within the allowable value of the compressor fault withstandability and provide sufficient capability for the capacitor defrosting, even when the circuit has the control pressure device.21 cl, 6 dwg

ethod and apparatus for removing nitrogen from cryogenic hydrocarbon composition // 2612974
FIELD: chemistry.SUBSTANCE: invention relates to method and device to remove nitrogen from cryogenic hydrocarbon compositions, nitrogen-containing and methane-containing liquid phase. By-product vapour from cryogenic hydrocarbon composition, at low pressure of 0.1 to 0.2 MPa, is compressed to separation pressure in range from 0.2 to 1.5 MPa. Said compressed vapour is partially liquefied by heat exchange of compressed vapour with auxiliary flow of coolant and, thus, inflow of heat from compressed vapour into stream of auxiliary coolant into cooling mode. Condensed fraction of partially liquefied compressed vapour is subjected to pressure release and at least a portion thereof is re-fed into cryogenic hydrocarbon composition. Exhaust gas, consisting of non-condensed vapour fraction of partially liquefied compressed vapour, is removed from first gas-liquid separator. Cooling mode is corrected to adjust calorific capacity removed vapour fraction.EFFECT: technical result is enabling adjustment of calorific capacity of removed vapour fraction.17 cl, 4 dwg, 5 tbl

Cylindrical vortex cooler // 2612545
FIELD: heat exchange.SUBSTANCE: invention relates to heat exchangers and can be used for cooling and supercooling cryogenic liquids. In compliance with the first version a cylindrical vortex cooler is a cryogenic vessel with a shell arranged on top with branch pipes for inlet and outlet of the cooled liquid, a vapour drain branch pipe, herewith on the outer surface of the vessel there is a heat exchanger, and inside the vessel there is a coolant feed tube, onto which there is a confuser providing centrifugal circulation of the cooled liquid, and at the joint with the returned liquid there is an injector. In compliance with the second version a cylindrical vortex cooler is a cryogenic vessel with a shell arranged on top with branch pipes for inlet and outlet of the cooled liquid, a vapour drain branch pipe, herewith inside the vessel there is a cooled liquid feed tube, onto which there is a confuser providing centrifugal circulation of the cooled liquid, and at the outlet of the non-evaporated liquid there is a diffuser providing filling pressure.EFFECT: invention is aimed at increased depth of cooling and reduced dimensions.2 cl, 4 dwg

ethod of collecting and recycling low pressure gas in field preparation of natural gas with low condensate factor // 2612448
FIELD: oil and gas industry.SUBSTANCE: invention relates to oil and gas industry. Method of collecting and recycling low-pressure gases in field preparation of natural gas comprises feeding condensate-containing gas to a low-temperature separation (NTS) apparatus for degassing. Low-concentration water-methanol solution is discharged into a first degasser and then into industrial effluents. High-concentration water-methanol solution is discharged into a second degasser and then for recirculation into NTS apparatus. Unstable condensate is fed into condensate stabilisation apparatus (USK), where it passes through a first weathering unit, second weathering unit and end separation unit (KSU). Stabilisation is carried out by stepwise reduction of pressure. In weathering units condensate heating is performed. Low-pressure gases from degassers, weathering units and KSU are reduced to lowest working pressure among said apparatus and are together directed to a low-pressure collector and then as a passive stream into ejector. Commercial gas after NTS is fed into ejector. Ejector output stream is fed for own process needs.EFFECT: reduced process losses of hydrocarbons, as well as improved environmental properties.1 cl, 1 dwg

Device for tank cooling or freezing // 2612320
FIELD: machine building; pipeline.SUBSTANCE: device for cooling or freezing of at least one tank, in particular sleeve or cup, by cold air comprises a base with area for tank location, at least one opening for air release and a ring chamber. Area for tank installation has at least one opening for air intake, through it to the ring chamber cold air can enter. The area for tank installation has a place for air release in form of tube passing upwards to at least one tank and serving for air suction from at least one tank. On outside circle of the ring chamber at least one opening is made for air intake, it serves for air delivery tangentially to the ring chamber. Due to this a ascending vortex air flow is created, it has form of thin layer flowing over internal surface of at least one tank installed at area for tank installation, as result the tank is cooled or frozen.EFFECT: exclusion of harmful coolants use for cooling.14 cl, 11 dwg

Thermoelectric device for thermal cosmetic procedures on individual's face // 2612310
FIELD: medical equipment.SUBSTANCE: invention relates to medical devices. Thermoelectric device for thermal cosmetic procedures on individual's face comprises heat contact plate, heat removal system, thermal elements and controlled DC source connected to thermal elements. Heat contact plate is made in form of flexible base from highly heat-conducting material and has shape of mask repeating contours of human face, with opening in areas of eyes, nose and mouth. Base consists of assembled segments, assembled so that to enable adjustment of its shape and dimensions in compliance with specific geometrical characteristics of human face. Connection of assembled segments to each other is carried out by any type of latches on their side surface. Projections of side surface of base, that is free from connecting latches, are bent at angle of 90° to base and are conjugated with provision of tight thermal contact with exposing junctions of thermoelectric cells. Bearing junctions of thermoelectric cells are in contact with reservoir, filled with melting working substance, which melting point lies in range of 35–45 °C. On base surface on side face is thin silicone layer, and on opposite side of over entire area base is in contact with cuff, connected to pressure tube. Base is provided with fastener device.EFFECT: higher accuracy of device working surface adjustment in accordance with certain structure and geometry of face.1 cl, 1 dwg

Gas liquefaction unit // 2612240
FIELD: machine engineering.SUBSTANCE: gases liquefaction unit contains the non-flammable gas compressor 17 to compress the non-combustible gas coolant with aftercooler 19 to cool the compressed non-refrigerated nonflammable gas coolant stream part of divider 18 , finish heater of the compressed incombustible gas coolant 33 flow part, the production gas compressor 1, end cooler 2 of the compressed production gas, the booster compressor of the production gas 3, the end cooler 4 of the production gas booster compressor 3, liquid cryogenic pump 11, the collection-expander separator 10 of the nonflammable liquefied gas coolant with the immersed heat exchanger of the cryogenic liquefied. The production gas compressor 1 is mechanically connected to the gas expander 22. The production gas booster compressor 3 is mechanically connected to the wet-steam expander 20. The liquid cryogenic pump 11 is mechanically connected to the liquid-vapour expander 8.EFFECT: increase of the fire and explosion safety and gases liquefaction compressor-expander cryogenic plant efficiency.2 dwg

ethod and plant for deethanization gas conditioning for transportation in gas pipeline // 2612235
FIELD: oil and gas industry.SUBSTANCE: method and plant for deethanization gas conditioning for transportation in a gas pipeline include stages of compression, cooling and separation of the cooled deethanization gas. The feed deethanization gas is succesively let through three gas separators and condensate separator. After the third gas separator deethanization gas is mixed in a mixer with pipeline dry hydrocarbon gas containing principally methane. The cooled gas mixture is heated with the heat of the feed deethanization gas in a recuperative heat exchanger. Then the prepared deethanization gas is directed to the gas pipeline as a raw material for gas and chemical enterprises. The condensate from the second and third gas separators is mixed, preheated in the first recuperative heat exchanger by a hot deethanization gas stream after the compressor and separated in the condensate separator. The separated gas is mixed with the feed deethanization gas.EFFECT: removal of hydrocarbons down to a level where their condensation in the pipeline is prevented in the winter conditions and the Far North conditions with both low pressure dew point for hydrocarbons and acceptable ethane content.15 cl, 4 tbl, 1 dwg
ethod of combined generating electric power, heat and cold in combined-cycle plant with steam injection and combined-cycle plant for its implementation // 2611921
FIELD: power engineering.SUBSTANCE: invention relates to power engineering and can be used in designing new and improving existing combined-cycle plants (CCP) of contact type (CCP-C) intended for generating electric power and heat, as well as a power drive, for example, for compressors of gas-compressor stations of gas mains. Method of combined generating electric power, heat and cold in a combined-cycle plant with steam injection involves air compression in a multistage compressor with intermediate cooling air with heated water in a contact heat exchanger. Supply of a compressed steam-air mixture into the combustion chamber of the gas turbine with injection of additional steam produced in the exhaust-heat boiler. Expansion of the steam-gas mixture in the high-pressure turbine. Cooling the steam-gas mixture in the exhaust-heat boiler and in the gas cooler for heating delivery water of the heat and cold water supply system due to heat of steam condensation from the steam-gas mixture. System of condensed moisture removal from the steam-gas mixture, further delivery of dried steam-gas mixture into the expander while collecting the formed condensate and returning it into the steam-gas cycle. Pressure behind the high pressure-turbine is maintained at the level of 0.35-0.5 MPa, sufficient for heating the circulating water in the heat and cold water supply system up to the temperature of 100–110 °C.EFFECT: simpler technique of combined generating power, heat and cold, implementation of potential condensation of water vapours at a temperature level sufficient for heating the delivery water up to standard parameters of the heating system.5 cl, 1 dwg
ethod of refrigeration product treatment by carbon dioxide // 2611845
FIELD: food industry.SUBSTANCE: method of complex fish and poultry processing by the supply of snow-like carbon dioxide both into the inner cavity and onto the product surface is proposed.EFFECT: reduction of carbon dioxide consumption and refrigeration duration.

ethod and device for reducing movement effect in “core-shell” type heat exchanger // 2611537
FIELD: heat engineering.SUBSTANCE: invention relates to heat engineering and can be employed in heat exchangers, used on floating factories. One method of reducing movement effect in heat exchanger includes: (a) filling heat exchanger with evaporating fluid medium, wherein heat exchanger includes internal volume, formed inside shell, and plurality of spaced relative to each other core parts located inside shell; (b) introduction of hot process supplied flow into upper reservoir, wherein upper reservoir is located above heat exchanger, upper reservoir is connected to heat exchanger using plurality of guide pipes.EFFECT: disclosed are methods and devices for reducing movement effect in “core-shell” type heat exchanger.10 cl, 3 dwg

Associated petroleum gas treatment method // 2611212
FIELD: oil and gas industry.SUBSTANCE: associated petroleum gas treatment method includes gas compression by compressing and cooling of the liquid hydrocarbons release during gas compression with a refrigerant under reflux and reflux fliud stabilization conditions by heating the liquid hydrocarbons release during gas compression with production of trated gas and condensate. Gas is compressed in a mixture with the separation gas and circulating condensate after its use as a refrigerant. At least a portion of the liquid hydrocarbons released during gas compression is used for heating. The condensate is cooled, reduced and separated into circulating condensate and balance condensate. The balance condensate is separated to obtain the separation gas and sales condensate. Before cooling in reflux conditions, the liquid hydrocarbons released during gas compression are further cooled by an external refrigerant.EFFECT: increased condensate quality.2 cl, 1 dwg

Piston valveless expasion engine // 2611170
FIELD: mechanical engineering.SUBSTANCE: piston valveless expansion engine comprises a cylinder, in the open part of which openings for a compensation of gas leakage from the compression chamber are arranged and communicated with the cooled gas volume. In the cylinder there is a piston mounted with the possibility of reciprocating movement by means of the rod for gas compression in the closed end of the cylinder, which is surrounded by the cavity with the pumped cooled liquid. The cylinder length is divided into two insulating compartments.EFFECT: construction with decreasing heat losses through the cylinder walls, and with improved efficiency of the device.1 dwg
Thawing vessels for biological products // 2611153
FIELD: food industry.SUBSTANCE: device for frozen biological material thawing comprises a vessel having an interior space for biological material accommodating, a plurality of heat transfer devices operatively connected with the vessel, at least one adjusting device operatively connected with the heat transfer devices. Frozen biological material thawing method, which comprises accommodation of frozen biological material in the vessel, heat transfer between the vessel portion and the outer environment in relation to the vessel portion by heating the vessel portion, on condition the of biological material temperature control.EFFECT: invention provides for effective unharmed thawing of biological products.28 cl, 3 dwg

Device adaptive control of expansion turbines // 2611120
FIELD: oil and gas industry.SUBSTANCE: invention relates to a turbine building art, namely to devices regulating turbines and can be used at gas distribution plants for the recovery of the pressurized gas energy and electricity generation. The device comprises a lock and the bypass valves with actuators and position sensors, regulator, switch modes, normalizing and scaling amplifiers, comparison blocks, pressure sensor in the line of low pressure, the load sensor of the external electric network, the adder, the frequency-adjustable wrench, an electric gas heater , setting devices of the maximum and minimum load values in electrical circuits, external power supply and gas heater, Schmidt triggers, reversible counter.EFFECT: invention provides an increase in reliability of the turbo expander by mechanical load on its shaft stabilization, when the electrical load fluctuations in the external power supply through the redeployment of the electrical energy in the natural gas heating in the input line system.1 dwg

Valve device, in particular, for refrigerating machine // 2610981
FIELD: refrigerating equipment.SUBSTANCE: invention relates to valve device for refrigerating machine, pumping coolant. Refrigerating machine is equipped with condenser and evaporator. Valve device contains inlet, by means of which contained in condenser coolant may be supplied to valve device, three outlets, through which coolant in valve device can be output into evaporator. Valve element is installed with possibility of rotation around axis and with possibility of switching into several positions. First outlet in first position is connected with coolant passage inlet. Second outlet in second position is connected with coolant passage inlet. Third outlet in third position is connected with coolant passage inlet. In fourth position none of three outlets is connected with inlet. Two of three outlets are connected to inlet in fifth position. Valve element comprises adjustment flywheel, which contains plate, rotary-asymmetrical relative to axis. At that, said plate has two grooves, which connect inlet with one of three outlets for coolant passage.EFFECT: group of inventions is aimed at increasing of coolant distribution efficiency in refrigerating machine.12 cl, 10 dwg

ethod of isothermal storage and regasification of liquefied petroleum gas // 2610800
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

ethod of associated petroleum gas processing // 2610627
FIELD: oil and gas industry.SUBSTANCE: method of associated petroleum gas processing includes gas compression by compressing and cooling liquid hydrocarbons released during gas compression under the conditions of refluxing and reflux stabilization of compressed gas and liquid product. The gas is mixed with the separation gas and is compressed in two stages along with reduction and separation of liquid products to obtain gas separation and stable liquid products. The compressed gas of the second stage is subjected to low-temperature separation to obtain condensate and gas which is fed to the second stage as a refrigerant and taken out as processed gas. The separation of the reduced liquid product at the second stage is carried out in combination with low-temperature separation condensate. At the first stage natural gasoline is obtained as stable liquid product, and at the second - propane-butane fraction is obtained. If necessary, prior to one stage of compression the gas is purified from hydrogen disulfide and mercaptans and/or dried.EFFECT: expansion of product variety, yield increase and quality upgrade of liquid products.2 cl, 1 dwg

Natural gas liquefaction method // 2610625
FIELD: mechanical engineering.SUBSTANCE: method of liquefying the natural gas comprises a natural gas purification from heavy hydrocarbons, sulfur compounds, and mercury vapour, mixing with the process gas and the compressor squeeze with the internal combustion engine as a drive. The obtained compressed material is divided into two parts. One portion is cooled by the sided coolant and coolant, which was obtained in the chiller by means of exhaust gases heat of the compressor drive, and mixed with another part, partially precooled by separation heated gas, and is cooled in the recuperative heat exchanger, and is separated into the process and product gases. Product gas is produced and separated along with obtaining a liquefied natural gas and separation gas. Separation gas is heated, mixed with the regeneration gas, and is used as a fuel gas to drive the compressor. Process gas is reduced, heated in the recuperative heat exchanger and mixed with the purified and drained natural gas. To reduce the content of light components in the reduced liquefied natural gas, the product gas is separated in a countercurrent heating at least a portion of the process gas.EFFECT: increase in the yield and quality of the liquefied natural gas.2 cl, 1 dwg

Refrigerating device with automatic defrosting function // 2610493
FIELD: household appliances.SUBSTANCE: refrigerating device, in particular, household refrigerating device, contains coolant circulation loop with compressor, evaporator and shutoff valve between compressor outlet and evaporator inlet, evaporator defrosting heating device and control unit, intended for evaporator defrosting preparation by compressor operation with closed shutoff valve. Heating device is installed on evaporator. Refrigerating device operating method, which contains coolant circulation loop with compressor, evaporator and shutoff valve between compressor outlet and evaporator inlet, includes following stages: compressor operation with open shutoff valve, compressor disconnection, evaporator heating.EFFECT: using this group of inventions provides increase in device energy efficiency.10 cl, 3 dwg

ethod for processing low-pressure hydrocarbon gases and liquid hydrocarbons // 2610078
FIELD: oil and gas industry.SUBSTANCE: invention relates to the methods of processing low-pressure gases and condensates (liquid hydrocarbons) formed during the gas transportation, and can be used in the oil and gas industry. The gas is compressed at the first stage, together with the deethanization gas, the mixture of technical propane and butane, and cooled under the condition of refluxing with obtaining a condensate and the compressed gas, which is dewatered and purified, cooled and at the second stage compressed together with the deethanization gas of the propane fraction, and cooled in the conditions of refluxing by a low temperature separation gas, with obtaining the condensate and the compressed gas. The latter is reduced and separated, with obtaining a low-temperature separation gas which is heated, compressed and extracted as a sales gas, and the condensate which is deethanized with obtaining the deetanization gas and the propane fraction. Liquid hydrocarbons are deethanized together with the condensate of the first stage and the heated condensate of the second stage, with obtaining a deethanization gas and the mixture of technical propane and butane.EFFECT: invention provides increasing the extraction degree of hydrocarbons C3+, the expansion of production range, co-processing of low-pressure hydrocarbon gases and liquid hydrocarbons.5 cl, 1 dwg

Test object thermal stabilisation apparatus // 2610052
FIELD: physics, instrument-making.SUBSTANCE: invention relates to electronics and is used to set temperature of integrated microcircuits when testing for resistance to effect of heavy charged particles in vacuum chambers. The apparatus includes a heat-conducting plate for placing a printed-circuit board with a test object, two thermoelectric modules, a cooling unit and two temperature sensors, one of which is placed on the heat-conducting plate, a control unit connected to the modules, temperature sensors and cooling unit. The cooling unit comprises a radiator with fans and a water unit, connected by pipelines through a pump to the radiator. The first and second thermoelectric modules are installed in series between the heat-conducting plate and the water unit. The pipelines are equipped with quick-disconnect airtight valves. The second temperature sensor is placed on the surface of the water unit on the side of the second thermoelectric module.EFFECT: invention widens the operating temperature range radiation tests of integrated microcircuits, reduces the cost of testing microcircuits due to lower time costs.3 cl, 2 dwg, 2 tbl, 1 ex

Door opening / closing device and refrigerator provided with such device // 2609370
FIELD: construction.SUBSTANCE: door opening / closing device comprises the following: the first door and the second door, which close both sides relative to the center of the opening part of the device main body and rotatably supported respectively on both end parts of the opening part; the rotatable separating part that is rotatably mounted on the open end of the first door; and a guide device which pivotally guides the rotatable separating part, and which is located in the closed position, protruding from the side end face surface of the first door during closing of the first door and located in the plane substantially flush with the side end face surface of the first door during opening of the first door. The guide device comprises a protruding part which is located on one of the main body of the rotary separation device, and a guide part located at another one of the main body of the device or the rotary separation part, to guide the protruding part. One of the protruding part or the guide part is displaced in axial direction and axially elongated by collision to each other with a force exceeding the predetermined value, when the first door is opened, the rotary separating piece is in closed position.EFFECT: improvement of convenience of refrigerator use.5 cl, 10 dwg

ethod of updating operational installation for low-temperature gas separation // 2609175
FIELD: oil and gas industry.SUBSTANCE: invention relates to methods of upgrading plants for preparing natural and associated oil gas for transportation by low-temperature separation and can be used in oil and gas industry. Method of updating an operational installation for low-temperature gas separation comprises installation of cooled gas feed line in a reducing refluxer, above which reflux gas outlet line is connected with a reduction unit, and below by a reflux outlet line to a condensate separation unit. Upper part of refluxer is equipped with two sections of heat-exchange elements, which connect gas and condensate feed lines with low-temperature separation unit, as well as gas and condensate outlet lines with cold recovery unit and condensate separation unit, respectively. Flow of process media between connection points of refluxer on lines for feeding cooled into reduction unit, feeding low-temperature separation gas into cold recovery unit and feeding condensate into condensate separation unit are closed by means of stop valves.EFFECT: technical result is increased degree of extraction of heavy hydrocarbons while providing predetermined quality of gas preparation.1 cl, 1 dwg, 1 ex

ethod of non-waste pretreatment of production fluid // 2609173
FIELD: oil and gas industry.SUBSTANCE: crude gas 1 is separated at the first stage, obtaining the gas 3 of moisture 4 and hydrocarbon 5 condensates, the latest is reduced by means of the device 6 and separated with obtaining the gas 8 and the residual part 9. The gas of the first stage 3 is reduced by means of the device 10 and in the mixture with the deethanizated gas 8 at the second stage is cooled down upon the conditions of partial condensation in the fractional column 11 with obtaining the condensed fluid 12 and the gas 13, which is reduced by means of the device 14, heated, combined with the deethanizated gas 15 and extracted as the sales gas 16. The condensed fluid of the second stage 12 is reduced by means of the device 17 and debutanized jointly with the reduced by the device 18 residual part of the deethanizing 9 with obtaining the sales condensate 20 and the gas of debutanization 15.EFFECT: increasing of the sales gas flow and improving the quality of the condensed fluid.4 cl, 1 dwg

ethod of pretreatment of hydrocarbon gas // 2609172
FIELD: oil and gas industry.SUBSTANCE: hydrocarbon gas 1 is compressed at the first stage 2 with cooling down the liquid hydrocarbons released during gas compression by the external refrigerant upon the conditions of partial condensation, obtaining the condensed fluid 4 and the pressure gas 5 which is compressed at the second stage 6 with cooling down the liquid hydrocarbons released during gas compression by the external refrigerant (is not depicted) and by the gas of low-temperature separation, which then is extracted as the pretreated gas 7, obtaining the condensed fluid 8 and the pressure gas 9, which is reduced by means of the device 10 and divided into the pretreated gas 7 and the condensed fluid 12, which is reduced by means of the device 13 and deethanizated in the separating machine 16 jointly with the reduced in the devices 14 and 15 condensed fluids 4 and 8 of the first and the second stages 2 and 6 with obtaining the sales condensate 17 and the deethanizated gas 3, which is recycled to the first stage 2 of the compression. If necessary the purification from the hydrogen disulfide and the gas mercaptan is performed before one of the stages of compression, and/or gas dewatering in block 18 is made.EFFECT: improving the quality of the condensed fluid and the pretreated gas.2 cl, 1 dwg

ethod of pretreatment of associated petroleum gas // 2609171
FIELD: oil and gas industry.SUBSTANCE: associated petroleum gas 1 jointly with the gas of separation 2 and the deethanizated gas 3 is compressed at the first stage 4 with cooling down the liquid hydrocarbons released during gas compression by the external refrigerant upon the conditions of partial condensation and stabilizing of the reflux liquid, obtaining the condensed fluid of the first stage 5 and the pressure gas 6, which is compressed at the second stage 7 with cooling down the liquid hydrocarbons released during gas compression by the external refrigerant and by the pretreated gas 8, which is then extracted, obtaining the condensed fluid of the second stage 9 and the pressure gas 10, which is reduced by means of the device 11 and divided in the separating machine 12 into the pretreated gas 8 and the residual part 13, which after the reducing by means of the device 14 is deethanizated in the fractionation column 15 with obtaining the propane-butane fraction 16 and the deethanizated gas 3. The condensed fluid of the first stage 5 is reduced by means of the device 17 and separated in the separating machine 19 jointly with the reduced by the device 18 condensed fluid of the second stage 9 with obtaining the sales condensate 20 and the gas of separation 2. If necessary the purification from the hydrogen disulfide and the gas mercaptan is performed before one of the stages of compression 4, 7, and/or gas dewatering in block 21 is made.EFFECT: improving the quality of the pretreated gas and the condensed fluid, product differentiation.2 cl, 1 dwg

ethod of pretreatment of production fluid // 2609170
FIELD: oil and gas industry.SUBSTANCE: crude gas is separated at the first stage, obtaining the hydrocarbon, moisture condensate and gas, which is dewatered with obtaining the dry gas of high pressure, reduced and separated at the second stage upon the conditions of partial condensation at the expense of cooling down with gas of the third stage with obtaining the condensed fluid and gas, which is reduced and separated at the third stage jointly with the dry gas of low pressure and the deethanizated gas with obtaining the gas, which after heating will be extracted as the sales, and the condensed fluid, which is deethanizated with obtaining the propane-butane fraction and the deethanizated gas. The condensed fluid of the first and the second stages is reduced and deethanizated with obtaining the sales condensate and the gas, which is dried with obtaining the dry gas of low pressure. The latest is additionally cooled down, if necessary.EFFECT: exclusion of inhibitory substance consumption of hydrate formation, product differentiation, reducing of hydrocarbon losses.2 cl, 1 dwg

Refrigerator and method of its making // 2608791
FIELD: personal use and household items.SUBSTANCE: method of making refrigerator includes following stages: through holes are made at front panel by etching or by laser processing, filling element is filled in through holes so, that it prevents penetration of foreign substances into inner space of through holes. Despite fact that display unit is hidden inside door, information, displayed on display unit, can be visible to user via multiple through holes, thereby image looks brighter.EFFECT: refrigerator is disclosed, door of which has front panel made of metal material, display unit with display section, which is located on rear side of front panel, and on which information on operation of refrigerator is displayed, when display section becomes bright or dark, and multiple through holes made in area of front panel, corresponding to display section.13 cl, 13 dwg

Refrigerating compressor // 2608665
FIELD: machine building.SUBSTANCE: refrigerating compressor including drive motor and compressor unit, which compresses coolant coming through suction inlet and releases it through pressure outlet hole. Refrigerating compressor has compressor control system integrated into compressor control system, which determines compressor state by means of state value, which corresponds to saturation first temperature in suction inlet, and by means of second state value, which corresponds to saturation second temperature in discharge outlet, which compares compressor state with allowable compressor states located in working diagram preset working area and which, if compressor state comes out of working area, triggers refrigerating compressor switching off.EFFECT: invention is aimed at ensuring operational reliability.41 cl, 10 dwg

ethod of well product field deethanization // 2608392
FIELD: gas industry.SUBSTANCE: invention relates to gas treatment methods by low-temperature condensation and can be used in gas industry for ethane-butane fraction extraction under field conditions from gas condensate deposits well products. According to proposed method sour gas is separated at first stage with production of water condensate, which is removed, hydrocarbon condensate and gas, which are dried, dried gas is cooled with partially heated gas of third stage, reduced and separated into second stage under conditions of partial condensation due to cooling by third stage gas with production of condensate and gas, which are reduced and separated at third stage together with demethanization gas with production of gas, which is after heating removed as marketable gas, and condensate, which are demethanized together with first stage reduced dry condensate and second stage condensate with production of gas and C2+ fraction.EFFECT: technical result is elimination of hydrate formation inhibitor consumption and higher degree of ethane extraction.1 cl, 1 dwg

Sliding device and refrigerator with a sliding device // 2608220
FIELD: personal use and household items.SUBSTANCE: refrigerator includes a storage compartment, internal door outer door, guide rail, sliding assembly, elastic assembly, automatic closing assembly. Design of the refrigerator is such that when the outer door is configured with possibility of opening and closing in a position in which the container for storing the door is extracted container for storing the door comes in contact with the external door and thus is inserted automatically.EFFECT: design of refrigerator.15 cl, 12 dwg
Domestic refrigerating device with displaying device for container cover // 2608055
FIELD: machine building.SUBSTANCE: domestic refrigerating device has inner heat-insulating container, intended to limit of, at least, one cooled products storage space; cooled products container installed in inner container, which has opening accessible from above, and container cover, installed in inner container so, that motion, implemented by means of manual actuator, was transformed into container cover motion to open and close cooled products container opening. Refrigerating device additionally contains displaying device connected with actuator, which, at actuator first position, in which container cover moves into position, which opens cooled products container opening, displays information, corresponding to open position, and in actuator second position, in which container cover moves into position, closing cooled products container opening, displays information, corresponding to closed position.EFFECT: using this invention allows to produce an improved indication of container cover manual control.10 cl, 10 dwg

Natural gas liquefaction plant with ethylene-independent system of extraction of heavy fractions // 2607933
FIELD: gas industry.SUBSTANCE: present invention relates to method and device for natural gas liquefaction. In version of the present invention natural gas liquefaction method includes: cooling a part of the feed stream of natural gas with formation of cooled natural gas feed stream; combination of cooled compressed natural gas feed stream flow irrigation with formation of a combined flow of natural gas; separation of combined natural gas flow at the first flow of light fractions and the first flow of heavy fractions; expansion of the first flow of light fractions to form an extended first flow of light fractions; and compression of irrigation flow into a compressed stream of irrigation.EFFECT: invention is aimed at removal of heavy fractions and reduced power consumption.4 cl, 1 dwg

ethod and apparatus for removing nitrogen from cryogenic hydrocarbon composition // 2607708
FIELD: technological processes.SUBSTANCE: invention relates to method and device for removing nitrogen from cryogenic hydrocarbon composition. At least first part of cryogenic hydrocarbon composition is supplied into nitrogen desorption column. Nitrogen desorption column operates under desorption pressure. In nitrogen desorption column desorbing steam is supplied, containing at least stripping part of compressed process steam, which was produced from nitrogen-depleted fluid, in which pressure was released after its removal from nitrogen desorption column. Reverse irrigation is formed with participation of nitrogen desorption column head partially condensed steam by means of heat transfer from head steam to auxiliary coolant flow in amount of cooling efficiency. Exhaust gas consisting of non-condensed steam fraction from head steam, is removed. Cooling efficiency is adjusted to control of discharged steam fraction calorific capacity.EFFECT: technical result is possibility of discharged steam fraction calorific capacity control.20 cl, 2 dwg, 3 tbl

Cooling method and device // 2607573
FIELD: refrigerating equipment.SUBSTANCE: invention relates to same object (1) cooling device and method. Object is subjected to cooling by means of several arranged in parallel cooling and/or liquefaction (L/R) devices. In cooling and/or liquefaction (L/R) devices same working gas with low molecular weight is used, that is, having average total molecular weight of less than 10 g/mol, such as gaseous helium. Each cooling and/or liquefaction (L/R) device comprises working gas compression station (2) and refrigerating chamber (3). Refrigerating chamber (3) is intended for cooling of working gas at compression station (2) outlet to cryogenic temperature close to working gas liquefaction temperature. Working gas is cooled by means of each of corresponding refrigerating chambers (3), is input into heat exchange with object (1). One compression station (2) provides compression of working gas for each of corresponding individual refrigerating chambers (3). Compression station (2) comprises only compression machines (EC1, EC2, EC3) of screw machines type with forced lubrication and oil separation system (4, 14).EFFECT: technical result is higher compactness and efficiency.11 cl, 4 dwg

ethod and apparatus for removing nitrogen from cryogenic hydrocarbon composition // 2607198
FIELD: chemistry.SUBSTANCE: invention relates to method and device for removing nitrogen from cryogenic hydrocarbon composition. At least a first portion of a cryogenic hydrocarbon composition is fed to a nitrogen stripper column as a first nitrogen stripper feed stream. Nitrogen-stripped liquid is drawn from nitrogen stripper column. Liquid hydrocarbon product stream and process vapour are produced comprising at least a step of depressurising nitrogen-stripped liquid to a flash pressure. Process vapour is compressed, and selectively split into a stripping portion and a non-stripping portion. Stripping vapour stream comprising at least stripping portion is passed into nitrogen stripper column. Vapour fraction is discharged as off gas, comprising a discharge fraction of overhead vapour from nitrogen stripper column and comprising at least bypass portion from non-stripping portion of compressed vapour, which bypasses a stripping section positioned in nitrogen stripper column.EFFECT: technical result is prevention of imbalance in nitrogen stripper column and reduced loss of vapour.17 cl, 2 dwg, 3 tbl

ethod for conversion of low-grade heat energy // 2606847
FIELD: system for heating and cooling.SUBSTANCE: present invention relates to compression machines and systems in which air is the working fluid. Method for conversion of low-grade heat energy into high-potential heat energy includes a pneumatic energy generator required to create a closed air thermodynamic cycle, and low-potential heat source. Method includes the following: the pneumatic energy generator is activated by the mechanical energy of low-potential heat source; the generator is a hydraulic unit that transforms the water flow kinetic energy into the hydraulic shock potential energy with a subsequent mechanical work that involves the back-translational movement of the movable parts of walls of the hydraulic unit water conduit and air compression in the compression chambers that are arranged above the water conduit walls of the hydraulic unit that can move in the radial direction.EFFECT: invention enables to convert practically free hydraulic energy of multiple and widely spread low-pressure natural and artificial water courses into the pneumatic power with a subsequent conversion thereof into the high-potential heat energy in a closed thermodynamic cycle, mechanical work of compressed air expansion in an expansion machine and the energy for generation of cold.1 cl, 1 dwg

Cooling cabinet // 2606789
FIELD: machine building.SUBSTANCE: for cold storage there is heat-insulating cabinet, which is open in front; swing open from center left door and right door, which are open and close front opening; housing of partition, which is attached with possibility of turning and directed inside cold storage space and which closes gap between left door and right door; and condensation preventing heater, which prevents formation of dew condensation on partition housing. Partition housing has front side component, which is located on gap side and where condensation preventing heater is made; rear side component, which is inserted into front side component with possibility of sliding in longitudinal direction and which forms cylindrical housing together with front side component, and heat-insulating material, which is located inside cylindrical housing.EFFECT: use of present invention enables avoiding of refrigerator door partition deformation.5 cl, 6 dwg

ethods and systems for condensation of co2 // 2606725
FIELD: gas industry.SUBSTANCE: according to one aspect of present invention disclosed are methods of carbon dioxide (CO2) condensation from flow of CO2. Method involves (i) CO2 flow compression and cooling with formation of partially cooled flow of CO2, wherein partially cooled flow of CO2 is cooled to first temperature. Method involves (ii) cooling of partially cooled CO2 flow to second temperature by magnetocaloric cooling with formation of cooled CO2 flow. Method further includes (iii) condensation of at least part of CO2 in cooled flow of CO2 with formation of condensed flow of CO2. Disclosed also carbon dioxide (CO2) condensation systems from CO2 flow.EFFECT: higher efficiency of CO2 condensation process.20 cl, 10 dwg
Suitable to dynamic evacuation devices including organic aerogels or xerogels // 2606526
FIELD: electrical engineering.SUBSTANCE: invention relates to operating on electricity and suitable to dynamic evacuation device. Device includes suitable to evacuation throughout the volume area and a useful area with temperature control thermally isolated from the ambient temperature by means of suitable to evacuation throughout the volume area. Device also comprises a means for active vacuum maintenance, so that pressure in suitable to evacuation throughout the volume area of the device over a period of time permanently resides in a predetermined range. Suitable to evacuation throughout the volume area makes at least 20 vol%. of the total volume, which in the device is engaged by a porous and/or cellular thermoisolating material, and contains at least one organic aerogel and/or an organic xerogel.EFFECT: technical result is reduction of time of creating a specified difference in pressure in the device.16 cl, 2 ex, 3 tbl

ethod of gas-dynamic separation // 2606427
FIELD: gas industry.SUBSTANCE: method of gas-dynamic separation relates to low-temperature processing of multicomponent hydrocarbon natural and casinghead gases, in particular, for gas drying by condensation and separation of water and/or hydrocarbon components, and can be used in systems for collecting, preparation and processing of multicomponent hydrocarbon gases. Method of gas-dynamic separation comprises supplying the flow of high pressure multicomponent hydrocarbon gas into the nozzle, its isoenthalpic expansion and cooling while flowing in the nozzle, condensation of components in the cooled gas flow, separation of condensate from gas phase and increasing pressure by braking in the diffuser. Separated hydrocarbon condensate in contact with the initial gas is being partially evaporated and additionally cooled, and the initial gas is being cooled while heat exchange with a coolant additionally cooled by the condensate.EFFECT: technical result is high efficiency of gas-dynamic separation and reduced power consumption.4 cl, 1 dwg
 
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