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(9631)

Refrigerating unit with evaporator and method for manufacture of evaporator for refrigerating unit // 2642709
FIELD: human vital needs satisfaction.SUBSTANCE: refrigerating unit with an evaporator (103) for refrigerant evaporation includes an inlet tube (105) for refrigerant inlet, containing a pipe region (107) with the first flow cross section and a narrowing region (109) with the second flow cross section. The second flow cross-section is smaller than the first flow cross-section. The narrowing region (109) is formed by several concave surfaces of the inlet pipe (105) wall. The pipe (105) is located on the outlet side of the throttling body.EFFECT: creation of a refrigerating unit with an evaporator, in which the noise arising when the refrigerant is pumped into the evaporator is reduced.13 cl, 15 dwg

Compressor and air-conditioning device, using it // 2642550
FIELD: ventilation.SUBSTANCE: air conditioner with compressor uses R32 refrigerant. It contains the compressor for the refrigerant compressing; the external heat exchanger; the internal heat exchanger; and the expansion valve for reducing the refrigerant pressure, at that the refrigerant is formed from hydrofluorocarbon (HFC); the compressor comprises the compressor unit for compressing the refrigerant, the electric motor unit to transmit the rotational force to the compressor unit through the rotating shaft, connected to the compressor unit and the compressor oil storage section for containing the compressor oil in order to reduce the friction between the rotating shaft and the compressor unit and to reduce the compressor temperature; and the oil contains the carbon nanoparticle, wherein the compressor oil volume is about 35-45% of the effective volume of the compressor interior part, at that the effective volume is the volume, obtained by subtracting the volume of the motor unit and the compressor unit from the total volume of the compressor.EFFECT: increase of the compressor reliability and efficiency, when using the refrigerant, based on HFC.13 cl, 15 dwg
Thermoelectric semiconductor device for neck-collar zone massage // 2641850
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for massage of the neck-collar zone contains a flexible elastically deformable base with the possibility of covering the neck-collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEM are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the support junctions - with the aluminium plates contacting the heat-conducting support blocks including a box. The box is made of a material with low thermal conductivity. In the box cavity, there is a working substance with a high heat of fusion and a melting point in the range 40-50°C, bounded on the inside by aluminium plates. Elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEM. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is performed taking into account exclusion of influence on the area of the spinal column.EFFECT: combination of the function of alternating heating and cooling massage applicators in a single device, with a possibility of creation of a temperature regime and a magnetic exposure mode.1 dwg
Thermoelectric semiconductor device for neck-collar zone massage // 2641849
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for massage of the neck-collar zone contains a flexible elastically deformable base with the possibility of covering the neck-collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEMs are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the reference junctions - with the air cooler. Elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEM. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is performed taking into account exclusion of influence on the area of the spinal column.EFFECT: combination of the function of alternating heating and cooling massage applicators in a single device, with a possibility of creation of a temperature regime and a magnetic exposure mode.1 dwg
Thermoelectric semiconductor device for neck-collar zone massage // 2641848
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for neck-collar zone massage contains a flexible poroelastic base with an ability to fit the neck and collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEMs are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the reference junctions - with the air cooler. The elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEMs. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is performed taking into account exclusion of influence on the area of the spinal column.EFFECT: combined function of alternating heating and cooling massage applicators in a single device, with a possibility to create a temperature regime, a magnet exposure regime and mechanical massage with vibration function.1 dwg
Thermoelectric semiconductor device for neck-collar zone massage // 2641847
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for massage of the neck-collar zone contains a flexible elastically deformable base with the possibility of covering the neck-collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEM are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the support junctions - with the aluminium plates contacting the heat-conducting support blocks including a box. The box is made of a material with low thermal conductivity. In the box cavity, there is a working substance with a high heat of fusion and a melting point in the range 40-50°C, bounded on the inside by aluminium plates. The elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEMs. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is performed taking into account exclusion of influence on the area of the spinal column.EFFECT: combined function of alternating heating and cooling massage applicators in a single device, with a possibility to create a temperature regime, a magnet exposure regime and mechanical massage with vibration function.1 dwg

Complex method for extraction of gas-condensate liquids and liquefaction of natural gas // 2641778
FIELD: oil and gas industry.SUBSTANCE: cooling and partially condensing an incoming stream containing light hydrocarbons in one or more heat exchangers. Partially condensed stream is introduced into cold gas/liquid separator producing a gaseous stream extracted from the top and the bottom streams, which are introduced into a fractionating system containing (a) fractionating column of light fractions and fractionating column of heavy fractions or (b) methane-stripping column. The gaseous stream extracted from the top is expanded and introduced into (a) the lower zone of the fractionating column of light fractions or (b) the upper zone of the methane-stripping column. A stream of bottom liquid (b) is introduced in the (a) fractionating column of heavy fractions at its intermediate point or (b) to the methane-stripping column at its intermediate point. The stream of liquid products is removed from the bottom portion of the fractionating column of heavy fractions or (b) the bottom portion of the methane-stripping column. The top gaseous stream(a) from of the fractionating column of light fraction s or methane-stripping column (b) is removed. The stream of the bottom liquid is removed from the bottom zone of the fractionating column of light fractions and introduced into the upper zone of the fractionating column of heavy fractions. If the system contains a fractionating column of light fractions and a fractionating column of heavy fractions, by indirect heat exchange with the first portion of the gaseous stream taken from above the fractionating column of light fractions is cooled and partially condensed from the top of gaseous stream of the fractionating column of heavy fractions and introduced into the fractionating column of light fractions. A second portion of the gas stream extracted from above the gas stream from the fractionating column of light fractions is removed, cooled and partially condensed by indirect heat exchange. Partially liquefied side-cut distillate is introduced into an additional separation device, the liquid product is recovered and introduced into the fractionating column of light fractions and/or to the fractionating column of heavy fractions as liquid reflux stream. The upper steam flow is extracted from the additional separation device, cooled and condensed by indirect heat exchange and the produced steam and condensate are supplied to LNG separator where the final LNG product is produced. The upper steam flow is extracted from the additional separation device, compressed to form the residual gas. A method and a device wherein a methane stripping column is used instead of column of heavy fractions is also provided.EFFECT: reduced energy consumption by installing of liquefied natural gas.18 cl, 27 dwg

ethod of low-temperature separation of air in plant for air separation and plant for air separation // 2641766
FIELD: machine engineering.SUBSTANCE: cooled AIR (AIR) at a first separation pressure in a first separation column (S1) is separated into the head fraction enriched with nitrogen and the oxygen-enriched bottom fraction. Additional cooled AIR (AIR) in the mixing column (M) at the pressure of the mixing column is liquefied to obtain the bottom fraction of the mixing column by direct heat exchange with oxygen-enriched liquid flow. The oxygen- enriched flow is produced at least partially from the oxygen-enriched bottom fraction from the first separation column (S1). Additional cooled air (AIR) in the second separation column (S2) at the second separation pressure is also divided into the nitrogen-enriched head fraction and the oxygen-enriched bottom fraction. Nitrogen-enriched head fraction of second separating column (S2) is cooled at least partially by bottom fraction from mixing column (M). Nitrogen-enriched head fraction of second separating column (S2) is conducted at least partially through liquefaction chamber of dephlegmator (E2) of the second separating column (S2). The dephlegmator (E2) is made in form of condenser-evaporator whose evaporation chamber is operated at evaporator chamber pressure which is between the pressure of the mixing column and the third separating pressure. At the third separation pressure, a liquid oxygen-enriched flow is obtained in the third separation column (S3). The readily assembled dephlegmator (E2) in liquid form under pressure evaporator Chamber bring at least part of the lower fraction of mixing column (M), and as the first separation of pressure using the pressure at least 0.5 bar higher than the pressure, which is used as a second separating pressure. The air separation plant comprises a first separating column (S1), a mixing column (M), a second separating column (S2) and a third separating column (S3), executed with the possibility to perform the method.EFFECT: increased air separation efficiency.10 cl, 1 dwg

ethod of production of compromised natural gas at the gas distribution station and booster compressor for the realisation of such method // 2641416
FIELD: oil and gas industry.SUBSTANCE: invention relates to technologies for the production of compressed natural gas, and can be used at gas distribution stations (GDS). A method of producing compressed natural gas at a gas distribution station in which a natural gas booster compressor is installed in the gas supply network from the main network to the gas distribution network and the natural gas is sent to the booster compressor from the backbone network and this gas is used simultaneously as a drive and compressed gases. During the operation of the booster compressor, compressed natural gas is produced for technological needs and, at the same time, the spent natural gas from the booster compressor drive is sent to consumers in the gas transmission grid.EFFECT: increase of energy efficiency of production processes of compressed natural gas at gas distribution stations.2 cl, 1 dwg

ethod of production of liquefied natural gas and compressed natural gas at the gas distributing station and complex for its implementation // 2641410
FIELD: oil and gas industry.SUBSTANCE: method of production of liquefied natural gas and compressed natural gas at a gas distribution station (GDS), a non-volatile one, which simultaneously produces liquefied and compressed natural gas. Natural gas is taken from the main gas pipeline, divided into two streams: the first stream is directed to the liquefaction of natural gas and, at the same time, the second stream is directed to natural gas compression. The second stream is passed alternately through a second compressor and an air-cooling unit. Concurrently, the first liquefaction stream is filtered, purified in an adsorber, cooled in at least one heat exchanger and divided into two streams: process and production. The process flow is directed to the expander, with the generator of which the electrical connection of the first compressor engines is established, which is used when the production flow of the incoming first gas stream is liquefied, and the second compressor, which is used to compress the incoming second gas stream, as well as the fans of the air-cooling unit. The production stream is passed through the first compressor, cooled in an air-cooling unit, then it is additionally cooled in at least one heat exchanger and passed through a choke to produce a vapor-liquid mixture. Liquid phase is separated from it and, completing the production flow, directs it for download to the consumer of liquefied natural gas. Reverse flow is formed from the vapor phase, directed through the heat exchangers of the production stream, connecting with the expanded and low-temperature process stream leaving the expander. The complex for implementing the method includes two lines. The first natural gas supply line contains a filtration unit, an adsorber, a heat exchanger and is divided into a process, production and return line. The production line comprises a first compressor, an air-cooling unit, and at least one heat exchanger, a choke, a separator and is connected to a liquefied natural gas storage. The return line originates in the separator, passes through the heat exchangers of the production line and is connected at the outlet to the gas transmission grid. The process line contains an expander and is connected to the return line, at the same time the second natural gas supply line comprises a second compressor, an air-cooling unit and is connected to the consumers of compressed natural gas, and the expander generator is connected through electrical communication with the motors of the first and second compressors, as well as with fans of air cooling units.EFFECT: increase of productivity at reduction of energy consumption.7 cl, 4 dwg

ethod of foamed moulded products manufacturing // 2641129
FIELD: technological processes.SUBSTANCE: invention relates to a process for the manufacture of foam moulded articles comprising the steps of: A) providing a mould and B) introducing the foaming reaction mixture into a mould with variable injection pressure, wherein the exit velocity of the foaming reaction mixture introduced in step B) is ≥ 1 m/s - ≤ 5 m/s, and the injection pressure in step B) decreases in time dynamics, and the foaming reaction mixture has an experimentally determined setting time at a temperature of 20°C, which is 20 ≥ s - ≤ 60 s. The invention also relates to a refrigerator, a freezer and a combination of a refrigerator and a freezer compartment that comprise a foamed moulded article, which in particular is a component of the casing.EFFECT: more uniform foam density distribution and no voids.19 cl, 5 dwg, 3 tbl, 9 ex
Thermoelectric semiconductor device for neck-collar zone massage // 2641066
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for neck-collar zone massage contains a flexible poroelastic base with an ability to fit the neck and collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. TEM hot junctions are in a thermal contact with a highly heat-conductive gel layer, containing a thermal sensor, and bearing junctions - with aluminium plates located in the cavity of an elastic fluid heat exchanger, common to the entire combination of thermoelectric modules and provided with fittings for flexible tubes connection. Elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEM. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on the elastic interlayer is made taking into account exclusion of influence at the area of the spinal column.EFFECT: combination of the function of alternating heating and cooling massage applicators in a single device, with a possibility of creation of a temperature regime and a magnetic exposure mode.1 dwg

ethod for controlling liquefaction of natural gas // 2640976
FIELD: machine engineering.SUBSTANCE: invention relates to methods for controlling liquefaction of natural gas (LNG), and can be used for liquefaction and supercooling of natural gas. Method of controlling liquefaction of natural gas by means of a plant operating on mixed refrigerant consists in periodical measurement of actual parameters of said process and controlling the composition of refrigerant fed to the main cryogenic heat exchanger in order to achieve optimal process parameters. The Carnot factor is used as a criterion for optimal process parameters. The composition of refrigerant is controlled by direct calculation based on actual process parameters and equations of state of substance components quantity of mixed refrigerant (for example, equations of state of Penga-Robinson) necessary to achieve temperature profile in the main cryogenic heat exchanger corresponding to the optimal parameters of the process and introducing said components in calculated quantity in the main cryogenic heat exchanger.EFFECT: invention makes it possible to increase efficiency of natural gas liquefaction cycle and thereby minimize the specific power of the compressor required for production of liquefied natural gas.2 cl, 2 dwg
ethod for extraction of liquefied hydrocarbon gases from natural gas of main gas pipelines and plant for its implementation // 2640969
FIELD: oil and gas industry.SUBSTANCE: flow of natural gas is sequentially cooled and sent to a first low temperature separation stage, then gas separated in the first stage is expanded in a turbo expander and sent to a second low temperature separation stage. Liquid hydrocarbon fraction produced at the first separation stage is also sent after throttling to the second separation stage. The flow of separated gas of methane-ethane fraction is directed by reverse flow for natural gas cooling. The produced liquid flow is fed to the top of deethaniser column, from which gas flow of methane-ethane fraction is taken and after throttling it is combined with reverse gas flow of methane-ethane fraction produced at the second separation stage, then after recuperation of cold, combined flow of methane-ethane gas is additionally cooled and withdrawn from the plant as a commercial gas. After throttling, liquid fraction C3+ produced in the deethaniser column is sent to the middle part of the depropanizer column, from which the gas flow of propane fraction is sent to reflux, after that the produced liquid propane fraction is divided into two flows, the smaller one is fed into the upper part of the depropanizer column as a reflux, and the larger one is withdrawn from the plant. After throttling, liquid flow of C4+ fraction from the bottom of the depropanizer column is sent to the middle part of the debutanizer column, from the top of which the gas flow of butane fraction is sent to reflux. After that, the produced liquid butane fraction is divided into two flows, the smaller one is fed into the upper part of the debutanizer column as reflux, the larger one is cooled and removed from the plant, and after cooling the flow of C5+ liquid fraction is withdrawn from the plant from the bottom of the debutanizer column. The plant comprises two recuperative heat exchangers, two low temperature separators, the deethanizer column, the depropanizer column equipped with reflux condenser including a third recuperative heat exchanger and a separator, the debutanizer column equipped with dephlegmator including water cooler and a separator, three pumps, three air-cooling devices, turbo-expander, four throttles and connecting pipelines.EFFECT: increased gas processing efficiency, possibility for production propane and butane fractions separately.2 cl, 1 dwg

ethod for producing xenon concentrate and krypton from natural or associated petroleum gas // 2640785
FIELD: oil and gas industry.SUBSTANCE: method is implemented by feeding natural or associated petroleum gas into the reactor. Together with natural or associated gas, dispersed water is supplied into the reactor and thermal baric conditions are created by pressure in the range from 0.1 to 20 MPa and temperature in the range from -50 to +50°C to form a concentrate of ethane gas hydrates, propane, isobutane and krypton. They are further subjected to decomposition with formation of xenon concentrate and krypton.EFFECT: increased yield of the end product.2 dwg, 3 ex
ethod for purifying exhaust gases of isopropyl benzene oxidization // 2640781
FIELD: chemistry.SUBSTANCE: method for purifying exhaust gases of isopropyl benzene oxidation consists in recovering isopropyl benzene by a low-temperature condensation. To create low temperatures, the energy of the exhaust gases of the isopropyl benzene oxidation is used.EFFECT: invention makes it possible to increase the recovery of isopropyl benzene from the exhaust gases.1 dwg

Heat exchanger and heat source block // 2640458
FIELD: heating system.SUBSTANCE: heat exchanger comprises at least one heat exchanger module (100). The heat exchanger module (100) comprises two heat exchange units (10 and 20) which are aligned with each other in the opposite orientation. At least one of the two heat exchanger blocks (10 and 20) bent in such a way that the angle between two adjacent edges (c and d) on at least one end of two heat exchanger blocks (10 and 20) is less than the angle between the main parts (12 and 22) two blocks (heat-exchange 10 and 20).EFFECT: surface of heat exchanger increases.22 cl, 7 dwg
ethod to control supply of refrigerant to evaporator based on temperature measurements // 2640142
FIELD: technological processes.SUBSTANCE: method to control the supply of refrigerant to evaporator (2) of vapour compression system (1), at that the steam compression system (1) contains at least one evaporator (2) at least one compressor, at least one condenser and at least one thermostatic valve (3) arranged in the cooling agent circuit. The temperature of Tair air flowing through the evaporator (2) is obtained. The control of opening degree of the thermostatic valve is based according to obtained temperature Tair to reach reference temperature Tair, ref of the air flowing through the evaporator (2). A disturbance signal is provided and the degree of temperature control valve (3) opening is adjusted to controlled degree of opening when the disturbance signal is applied thereto. The degree of opening of the temperature control valve (3) is about an average value, which is a controlled degree of opening caused by obtained temperature of Tair. A temperature signal S2 representing the temperature of the refrigerant leaving the evaporator (2) is monitored. The temperature signal S2 is analyzed and the degree of opening of the thermostatic valve is reduced (3) when said analysis shows that the dry zone of the evaporator (2) approaches the minimum length.EFFECT: providing a predetermined target temperature in cooled or heated volume and preventing the compressor from reaching the compressor with liquid refrigeration agent.12 cl, 4 dwg

ethod for removing heavy hydrocarbons when liquefying natural gas and device for its implementation // 2640050
FIELD: oil and gas industry.SUBSTANCE: invention describes a method for removing heavy hydrocarbons in the liquefaction of natural gas comprising: preliminarily cleaned and dried natural gas is cooled, obtained vapour-liquid mixture is separated in a separator into liquid and vapour phases, withdrawing the liquid phase with increased content of heavy hydrocarbons for disposal, wherein cooling of natural gas is carried out in a heat exchanger, the vapour phase is directed from the separator to ejector passive flow inlet, from the natural gas liquefaction plant a portion of high pressure cold flow is withdrawn and sent to ejector active flow inlet, a flow from ejector is directed to additional separator, in which the flow is separated into gas and liquid, gas is directed to heat exchanger for recuperation of cold. After recuperation of cold, gas is directed to a compressor, after the compressor the gas is sent to the natural gas liquefaction plant. A device for removing heavy hydrocarbons is also disclosed.EFFECT: providing uninterrupted operation of natural gas liquefaction plant without increase of machine equipment fleet.7 cl, 3 dwg
Thermoelectric semiconductor device for contrast thermoodontometry with air cooling // 2639991
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for contrast thermoodontometry with air cooling comprises an actuating member with a thermoelectric system of exposure temperature change, and a temperature control and regulation unit associated with the temperature sensor. The actuating member consists of a set of removable attachments and a thermally conductive supporting unit. Each actuating attachment consists of dielectric clamping plates of different shapes to be fixed on the tooth, a highly conducting gel pad, brought into contact with the tooth surface, a semiconductor thermoelectric module with projecting electrical terminals and an aluminium plate in the form of four-sided truncated pyramid to create a side guiding surface of the removable actuating attachment. The gel pad is in thermal contact with hot junctions of the thermoelectric module, which reference junctions are in thermal contact with the aluminium plate. The inner surface of the gel pad comprises a temperature sensor. The supporting unit comprises a box with a handle, side walls and handle of which are made from a material with low thermal conductivity, and the upper wall is an all-metal radiator made of material with high thermal conductivity. Side walls of the support block have beveled guides at the bottom to insert and fix the aluminium plate, and two pairs of grooves with electrical contacts for the projecting electrical terminals of the thermoelectric module. The temperature control and regulation unit is equipped with a portable impact NC key connected to the power supply.EFFECT: improved accuracy of diagnosis, monitoring and adjustment of exposure temperature, creation of a temperature gradient between the source and the adjacent teeth, improved device weight and size, improved contact with the tooth surface, reduced process inertia under changing temperature conditions, increased response account speed.1 dwg

Water ice cutter for making slots in ice formations // 2639730
FIELD: construction.SUBSTANCE: invention is intended for cutting ice during works on making mines in ice, studying glaciers and sea ice conglomerations, extracting materials and equipment frozen into ice, and other similar works connected with ice destruction. The device for cutting ice with hot water comprises a hollow housing with bushings with internal threads, communicating with the housing cavity, mounted at the housing ends. At the lower housing edge, a row of openings is provided for installing nozzles, whose axes are parallel to the axes of the side bushings. At the bottom of the side bushings, two nozzles are installed in the beginning of the operation; and during the subsequent operation, one nozzle and one guide rod are installed. Wherein the housing is made rectangular in the cross-section. On the lower part of the housing side walls, between the openings, a row of vertical grooves with a decreasing depth and width is made, which ensures the formation of even slot walls. In the upper part of the side bushings, pipes are installed, which are simultaneously used as guide and supplying ones. Wherein the upper ends of the pipes are rigidly connected to one another by a transverse pipe, through which hot water is supplied to the guide pipes and further into the device housing.EFFECT: increasing the device reliability.6 dwg
ultifunctional chamber and refrigerator // 2639328
FIELD: human vital needs satisfaction.SUBSTANCE: multifunctional refrigerator chamber contains an internal container and an element in the form of a door. The internal container is enclosed in multiple plate elements, and the chamber additionally contains at least one hole, a moisture-preserving module, a top cover and at least one air channel. At least one hole is provided in at least one plate element. The moisture-preserving module is located in the hole. The moisture-preserving module is used to regulate the relative humidity in the chamber and to control it. The top cover is movably disposed on the moisture-preserving module. The air channel is provided in at least one of several plate elements and is used to drain moisture from the chamber. When the chamber is in a high humidity mode, the top cover is moved in the moisture-preserving module to uncover the moisture-preserving module, and when the chamber is in the drying mode, the top cover fully closes the moisture-preserving module.EFFECT: ability to switch the chamber between the high humidity mode, and the mode depending on the requirements of relative humidity for the stored products to achieve flexible regulation of the medium in the chamber and reduce the unused time of the chamber.10 cl, 6 dwg

ethod and device for defrosting evaporator relating to for air conditioning unit // 2638704
FIELD: ventilation.SUBSTANCE: air conditioning unit includes an adjustable heat recovery device. The heat pump includes a refrigerant circulation system with a refrigerant, as well as at least one compressor, at least one condenser, at least one first expansion valve, and at least one evaporator. Further, said heat pump includes at least one four-way valve positioned downstream after compressor and upstream before condenser, said four-way valve is designed to change the direction refrigerant flow in refrigerant circulation system, whereby the refrigerant is sent to the evaporator instead of condenser, bypassing the expansion valve. The heat recovery device is designed to regenerate energy from the first air flow and transfer it to a second air flow, the evaporator being located in the first air flow downstream of the heat recovery device, and the condenser is located in the second air flow downstream of the heat recovery device. The heat pump includes a reservoir and a second expansion valve that are disposed between the first expansion valve and the condenser, the first expansion valve controls the refrigerant flow through evaporator and the second expansion valve regulating the level of refrigerant in the reservoir in cooperation with the first expansion valve in order to obtain an adjustable amount of refrigerant and balanced backpressure in condenser with incomplete compressor load. The method for defrosting evaporator is characterized in that when the frost forms in the evaporator, the temperature of refrigerant passing through the evaporator is increased. At the same time, the heat recovery device is adjusted downward, whereby the evaporator is simultaneously heated both from the inside by raising the temperature of refrigerant and externally by the first air flow, the temperature of which increases when the heat recovery decreases, and thus the evaporator is defrosted.EFFECT: decreasing the defrosting time of evaporator.8 cl, 3 dwg

Device for selecting compressed fluid from the refrigeration system // 2638701
FIELD: machine engineering.SUBSTANCE: device for selecting compressed fluid from the refrigeration system comprises a flow-through cooling device with a pipeline structure for condensing the fluid. The pipeline structure has several interconnected pipe elements, a fluid inlet located above the pipeline elements, and a fluid outlet located under the pipeline elements. The device has, in the flow direction, a compressor located in front of the cooling device, which is capable of flowing with a fluid and connected to the fluid inlet nozzle. Pipeline elements are located respectively with an inclination at an angle α relative to the contours in such a way that all fluid entering through the fluid inlet is gravitationally moved to the fluid outlet.EFFECT: simplifying the cleaning of compressed fluid selecting device.10 cl, 9 dwg

ethod of low-temperature preparation of low-pressure oil gas at field // 2637792
FIELD: oil and gas industry.SUBSTANCE: method includes introducing hydrate formation inhibitor into gas flow, cooling said gas by prepared gas cold recuperation and evaporation of coolant, separating cooled gas from condensed liquid phase, and supplying condensed hydrocarbons and prepared gas to consumer. The required degree of gas preparation is determined by dew point temperature which is the temperature of its cooling, the pressure of prepared gas is calculated from 0.04 to 0.45 Mpa by power dependence and the corresponding pressure of its flow is set. Gas is cooled and inhibited by cooling agent-ammonia to the dew point temperature. For this purpose, coolant is fed directly into gas flow to be prepared and evaporated therein. From the liquid phase condensed in cooled gas, the used coolant-aqueous-ammonia solution is recovered and pumped, thereby coolant pressure is reduced before it is supplied for evaporation. Then ammonia and water which is used for the technological needs of the field are desorbed from coolant.EFFECT: increased gas preparation efficiency.5 cl, 3 dwg

ethod of complex preparation of gas // 2637517
FIELD: oil and gas industry.SUBSTANCE: invention describes method for complex preparation of gas, wherein gas of input separation is refluxed by cooling with gas of low-temperature separation to obtain reflux and reflux gas which is mixed with condensate of input separation, and is weathered to produce evaporated condensate and the weathering gas which together with reduced reflux gas is subjected to low-temperature separation to produce gas and condensate, stabilization of mixture of condensates is provided by stabilization gas and stable condensate, before input separation raw gas is reduced and mixed with stabilization gas by means of ejecting device, gas of the input separation is cooled by reduced weathered condensate and preheated low-temperature separation gas, and the mixture of input separation condensate and reflux is reduced and mixed with condensate of low-temperature separation with the help of ejecting device before weathering.EFFECT: increased yield of stable condensate and commercial gas.2 cl, 1 dwg

ethod for production of liquefied natural gas // 2636966
FIELD: oil and gas industry.SUBSTANCE: method includes feeding compressed natural gas stream from high pressure main pipeline from gas distribution station inlet and dividing the flow into production and process streams. The process stream is expanded in expander with performance of an operation, fed to main preliminary heat exchanger, and supplied to the consumer at low pressure. The production stream is cooled by heating the process gas to form gas-liquid mixture further cooled and expanded in a throttle valve, at which outlet the liquid phase is separated by separator. The liquid phase is sent to the storage facility or to consumers of liquefied natural gas. The remaining part of the stream is mixed with the main process stream and sent to cold inlet of the heat exchanger. The production stream is subjected to purification and drying in a block of regenerative heat exchangers due to crystallization of CO2 on surface of their plates. After passing through the process stream, CO2 is dissoluted and removed with the flow of gas supplied to the consumers in the low pressure line.EFFECT: increase the efficiency of the production process.1 cl, 1 dwg

Container refrigerating device // 2636946
FIELD: machine engineering.SUBSTANCE: refrigerating device includes a gas supply device producing nitrogen-enriched air with a higher nitrogen concentration than in the outside air and supplying nitrogen-enriched air to the container through the feed channel; an oxygen concentration sensor that measures the concentration of oxygen in the air in the container; and a controller that monitors the operation of the gas supply device so that the oxygen concentration measured by the oxygen concentration sensor reaches the target concentration. The container refrigerating device is equipped with a measuring channel that directs part of the nitrogen-enriched air passing through the supply channel to the oxygen concentration sensor and the measuring channel is equipped with a two-position valve.EFFECT: use of this invention makes it possible to detect failures of the gas supply device without increasing production costs.4 cl, 12 dwg

ethod, device, product and application of quick freezing of ice cubes // 2636395
FIELD: food industry.SUBSTANCE: quick freezing method involves obtaining cold and feeding it into a stainless steel housing represented by a freezer until the temperature reaches -30°C, maintained in the future, feeding a cooling gel at the temperature of -30°C, maintained in the future, along the ascending pipeline located inside the chamber, filling the space between the ice cells in an ice-form, with its subsequent return through the descending pipe to the freezing chamber, cooling the water in the cells due to contacting the walls with the gel, fixing the moment when the ice reaches the given temperature, activating the annular heater for heating the ice cube, rotating the shutter of the lower ice tray around the hinge axis, releasing the base or bottom covering layer of the cells closed by the shutter, the ice cubes fall, demonstrating the brand initials engraved on their bottom faces, which are located on the top edges of the shutter in the form of an uniform low relief coinciding with the cell bases, feeding the cubes into the ice bin. The device for quick freezing of ice cubes includes a stainless steel housing with a condenser and a compressor, a refrigerating chamber, an ice bin, a series of liquid dispensers for distributing water to cells. The refrigeration chamber consists of a coil and a gel maintaining the constant temperature of -30°C.EFFECT: savings in water and energy consumption.8 cl, 1 dwg

Storage chamber and refrigerator // 2636160
FIELD: satisfaction of human life necessities.SUBSTANCE: storage chamber and a refrigerator that provide a possibility of door opening by 90 degrees or more, despite the installation of the storage chamber or refrigerator side wall close to the wall. The left door of the refrigerating compartment for closing the refrigerator opening includes the left door frame and the left front panel. The transition portion is provided in the corner portion formed by the side portion and the front portion of the left door frame. The length of line passing from the spot on the panel front surface where the left front panel has the greatest thickness in the horizontal section, to the length of an imaginary line running from the lower hinge shaft orthogonally relative to the side portion, in a direction orthogonal to the length of the imaginary line is less than the distance between the shaft and the distal point on the transition portion. The left end portion of the left front panel is located inside the circumference drawn around the adjacent one of the shafts as a center and having a radius equal to the length from the shaft to the distal point.EFFECT: improved device reliability.12 cl, 28 dwg

Working environment and heat cycle system // 2636152
FIELD: chemistry.SUBSTANCE: in a working environment containing 1,2-difluoroethylene in an amount of, at least, 20 wt % and hydrofluorocarbon, in which the hydrofluorocarbon is difluoromethane, 1,1-difluoroethane, 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane or pentafluoroethane, which is used in a heat cycle system (such as the Rankine cycle system, a heat pump cycle system, a refrigeration cycle system 10, or a heat transfer system).EFFECT: less impact on the ozone layer and global warming, superior performance of the heat cycle system, simultaneous preservation of the refrigeration coefficient, and improvement of the cooling capacity.11 cl, 12 tbl, 10 ex, 3 dwg

Plant for processing natural gas // 2635946
FIELD: oil and gas industry.SUBSTANCE: natural gas processing plant contains an absorber, a first, a second and a third separators, a first, a second, a third and a fourth heat exchangers, a first, a second and a third three-phase separators, each of which are connected to a water-methanol phase discharge pipeline, a device for air cooling of primary separation gas, a methanol feed unit, a gas cooler, a fractionating column, a furnace with heat-exchanging surface and collecting vessel of degassing having first outlet connected to pipeline for withdrawal of commercial liquid hydrocarbon product. Liquid hydrocarbon product obtained from liquid hydrocarbon phase withdrawn from the first separator is used as absorbent in the absorber. The absorbent is obtained by sequentially separating the gas in the first three-phase separator, the second three-phase separator, the third three-phase separator and fractioning in the fractioning column. The gas from the absorber passes through the fourth and the first heat exchangers and enters the product gas discharge pipeline.EFFECT: improvement of natural gas processing quality.3 cl, 2 dwg

Gas compression // 2634991
FIELD: oil and gas industry.SUBSTANCE: proposed the method, which contains gas compression in the mixture by weathering, liquid hydrocarbons released during gas compression cooling due to the reflux heating in the conditions of its stabilisation and its further cooling under the refluxing conditions to obtain the compressed gas and reflux, which is stabilised by liquid hydrocarbons released during gas compression heating to obtain the condensate, which is subjected to weathering under the reduced pressure to obtain the weathering gas.EFFECT: higher yield of the compressed air and pressure reduction of the condensate saturated vapor.2 cl, 1 dwg

Bottle holder in cooling device // 2634935
FIELD: human vital needs satisfaction.SUBSTANCE: bottle holder in the cooling device is made in the form of a flat base containing at least one notch. The width of each notch is equal to the width of each side surrounding the notch. The base is made of soft material.EFFECT: ease of cooling unit usage.3 cl, 2 dwg

Low-pressure heavy hydrocarbon gas stripping unit (variants) // 2634897
FIELD: oil and gas industry.SUBSTANCE: low pressure heavy hydrocarbon gas stripping unit includes a compressor mounted on a feed gas line, and a dephlegmator with condensate discharge line and a heat-mass exchange unit cooled by cooling agent. The method is characterized by that a multi-phase pump is installed as a compressor. A semi-blind plate is arranged in the dephlegmator above compressed raw gas inlet connected to raw gas line before the multi-phase pump by circulating reflux line, a reducing device and the heat-mass-exchange unit of the dephlegmator are arranged on the reflux line, condensate discharge line is connected to the separator equipped with residue discharge line and a line for feeding separation gas into the feed gas line before the multi-phase pump, and the condensate discharge line is connected to multi-phase pump by circulating condensate supply line. A version of the stripping unit is also claimed.EFFECT: reduced power consumption by excluding the use of external coolant, which role is performed by recirculation reflux.6 cl, 1 dwg
Thermoelectric semiconductor device for massaging neck-collar zone // 2634688
FIELD: electricity.SUBSTANCE: thermoelectric semiconductor device for massaging the neck-collar zone contains a flexible elastically-deformable base with the possibility of fitting the neck-collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEM are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the support junctions - with the aluminium plates in the cavity of the elastic liquid heat exchanger, common for the whole TEM assembly and having a fitting for connecting flexible tubes. The elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of the TEM and conjugated in the base with piezoelements. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at neighboring ferromagnetic needle elements feeding the corresponding TEM. Fastening of the TEM and ferromagnetic needle elements on an elastic interlayer is made taking into account exclusion of influence on the area of the spinal column.EFFECT: combination of the function of alternating heating and cooling of massage applicators in a single device with the possibility of creating a temperature regime, a mode of magnet exposure and mechanical massage with the vibration function.1 dwg
Thermoelectric semiconductor device for massage of the cervical-collar zone // 2634687
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for massage of the neck-collar zone contains a flexible elastically deformable base with the possibility of covering the neck-collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEM are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the reference junctions with the evaporation heat sink system common to the whole TEM assembly. Elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEM. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. Fastening of TEM and ferromagnetic needle elements on an elastic interlayer is made taking into account exclusion of influence at the area of the spinal column.EFFECT: combination of the function of alternating heating and cooling massage applicators in a single device, with the possibility of creating a temperature regime and a mode of magnet exposure.1 dwg
ethod of purifying natural gas from heavy hydrocarbons // 2634653
FIELD: oil and gas industry.SUBSTANCE: natural gas is extracted from main gas line, pre-dried, water vapours are removed and sent to a turbo-expander for subsequent cooling. The gas extracted from the network before liquefaction is directed to a screen filter casing, the direction of the gas flow is abruptly changed by 90°, which results in separation of heavy hydrocarbon particles from main gas flow which are accumulated in filter casing and drained through a special hole therein. Then the flow is fed to a guide apparatus casing of the turbo-expander and the flow is cooled during saponification of the outer surfaces of the guide apparatus slats. Heavy hydrocarbons not separated from the main stream in the filter are condensed and accumulated in the lower part of the guide apparatus casing, and extracted through a special hole therein.EFFECT: increased efficiency of natural gas purification from heavy hydrocarbons by using natural conditions for separation of gas impurities introduced into the expander.4 cl, 1 dwg
Thermoelectric semiconductor device for neck-collar zone massage // 2634551
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for neck-collar zone massage contains a flexible elastically deformable base with a possibility to cover the neck-collar zone. The base is made in the form of an elastic interlayer, on which thermoelectric modules (TEM) are fixed. The working junctions of the TEM are in thermal contact with the high-conductivity gel layer containing the thermal sensor, and the reference junctions with the evaporation heat sink system common to the whole TEM assembly. The elastic interlayer contains ferromagnetic needle elements located between each adjacent pair of TEMs. Magnetic action in the device is created by wires surrounding each ferromagnetic needle element with the opposite direction of winding at adjacent ferromagnetic needle elements feeding the corresponding TEM. TEM and ferromagnetic needle elements attachment to the elastic interlayer is made taking into account exclusion of influence in the spinal column area.EFFECT: combined function of alternating heating and cooling massage applicators in a single device, with a possibility to create a temperature regime, a magnet exposure regime and mechanical massage with vibration function.1 dwg

Device for controlling turbo-expander with adaptation to external load // 2634161
FIELD: machine engineering.SUBSTANCE: device contains a stop valve, adjusting elements with drives and position sensors, a bypass valve, an operation mode switch, comparator units, normalisation and scaling amplifiers, pressure sensors, an adder, pressure value setters, a mode of operation of the turbo-expander, permissible deviations, an electric generator, a rectifier, a filter, a frequency converter, a load sensor of external electric network, a unit for issue of mean hourly values of gas flow rate, correctors, generators of correcting pulses, adders of consumption and correction.EFFECT: reliability of the turbo-expander operation and accuracy while maintaining gas pressure in low-pressure line at emergency fluctuations of electric load in external network.1 dwg

Plant for absorption preparation of natural gas // 2633563
FIELD: oil and gas industry.SUBSTANCE: natural gas absorbtion plant contains an absorber, a first, a second and a third separators, a first, a second, a third and a fourth heat exchangers, a first, a second and a third three-phase separators, a device for air cooling of primary separation gas, a methanol feed unit, a gas cooler, a furnace with heat-exchanging surface and collecting vessel of degassing having an outlet connected to pipeline for withdrawal of commercial liquid hydrocarbon product. Liquid hydrocarbon product obtained from liquid hydrocarbon phase withdrawn from the first separator is used as absorbent in the absorber. The absorbent is produced by sequentially separating gas from said liquid hydrocarbon product in the first three-phase separator, the second three-phase separator, the third three-phase separator and the third separator with intermediate heating in the furnace. The gas from the absorber passes through the fourth and the first heat exchangers and enters the product gas discharge pipeline.EFFECT: improvement of natural gas processing quality.3 cl, 2 dwg

Cooling system for surface oil production equipment // 2633331
FIELD: oil and gas industry.SUBSTANCE: systems and methods for cooling process equipment are disclosed. The system comprises a source of process fluid and a heat exchanger, having a liquid connection to the process equipment and the process fluid source. The heat exchanger is configured to receive the process fluid from the process fluid source and transfer heat from the process equipment to the process fluid. The system also includes a control system with fluid connection to the heat exchanger. The control system is configured to change the temperature of the process fluid, heated in the heat exchanger. In addition, at least a portion of the process fluid, heated in the heat exchanger, is supplied into the wellbore at a temperature below the boiling point of the process fluid.EFFECT: increase the cooling efficiency.20 cl, 7 dwg

ethod for preparing gas in oil and gas fields // 2633262
FIELD: oil and gas industry.SUBSTANCE: method involves purification from hydrogen sulphide and carbon dioxide, separation from dropping liquid, introducing inhibitor of hydrate formation into stream of prepared gas, separation of condensed hydrocarbons from cooled gas and used inhibitor, regeneration of main inhibitor component, supply of prepared gas and condensed hydrocarbons after their cold recuperation to consumer. Solution of ammonia and gas is used as inhibitor of hydrate formation, gas is cooled in evaporator with coolant-ammonia regenerated by desorption from mixture of used inhibitor and solution, obtained in the process of absorption from desorption water and ammonia after evaporator, the mixture for desorption is supplied with a pump, the regeneration of the main component of the inhibitor and the cooling agent-ammonia is executed together, recuperation of cold of prepared gas is additionally carried out by withdrawal of heat energy in the process of ammonia absorption by water, excess water after desorption is used for process needs of the field, losses of ammonia with prepared gas are replenished directly by its synthesis from nitrogen and hydrogen at the field or from outside.EFFECT: increased efficiency.2 cl, 1 dwg

Thermally insulating box frame, refrigerator and device comprising thermally insulating box frame // 2632982
FIELD: human life necessities satisfaction.SUBSTANCE: thermally insulating box frame comprises: back wall; right side wall passing from the back wall right side; left side wall passing from the back wall left side; upper wall; lower wall; opening, which is formed at the front of the thermally insulating box frame; vacuum thermally insulating material, which is placed between the inner frame part, which is relevant to the back wall internal surface, and the outer frame part, which is relevant to the back wall external surface, or between the inner frame other part, which is relevant to the internal surface of one of the right side walls and to the left side wall, and the outer frame other part, which is relevant to the external surface of one of the right side walls and to the left side wall internal surface; and intermediate member, which is loaded, pressure sealed, applied or placed between the vacuum thermally insulating material and the inner frame for the junction, the tight coupling or the vacuum thermally insulating material and the inner frame fastening to each other. The intermediate member is the polyurethane foam and its depth is 11 mm or less.EFFECT: strength enhancement and frame internal volume rise.26 cl, 27 dwg, 1 tbl

Container refrigerating device // 2632978
FIELD: machine engineering.SUBSTANCE: refrigerating device for the container contains a refrigeration circuit, a detector for determination of oxygen concentration inside the container, a device for supplying gas mixture. If oxygen concentration inside the container measured by oxygen concentration sensor is higher than oxygen concentration of the gas mixture, the container is supplied with gas mixture which has oxygen concentration below oxygen concentration of external air and above the target concentration. The concentration of oxygen in the inner part of the container is reduced to the level of oxygen concentration of gas mixture by supplying gas mixture into the inner part of the container and is further reduced to the target concentration by means of plants breathing. This properly controls the concentration of oxygen in the inner part of the container (11).EFFECT: reduction of plant freshness decrease.8 cl, 11 dwg

Refrigerator // 2632941
FIELD: human vital needs satisfaction.SUBSTANCE: refrigerator includes a box-shaped housing, including an outer shell formed from an outer housing and an inner housing. The outer shell includes: a top wall; a rear wall; side walls; and a bottom wall. The box housing has a storage compartment formed inside the outer shell and has an opening formed on the front side of the box housing; a vacuum heat-insulating material disposed between a portion of the inner body and a portion of the outer housing, corresponding to the rear wall, one of the side walls, the other of the side walls, the top wall or the bottom wall forming the storage compartment; and a heat-insulating foam loaded between the vacuum heat-insulating material and the inner housing. The wall with vacuum heat-insulating material has a thickness in the range from 20 mm to 40 mm. The thickness of heat-insulating material after foaming is 10 mm or less. The ratio of the thickness of the heat-insulating foam relative to the sum of the thickness of the heat-insulating foam and the thickness of the vacuum heat-insulating material is 0.3 or less.EFFECT: increasing the heat insulation and strength characteristics with increasing the useful volume of the refrigerator.20 cl, 28 dwg
Device for dehumidification of compressed gas // 2631876
FIELD: machine engineering.SUBSTANCE: device comprises a body with inlet and outlet connection pipes, a vortex chamber coaxial with it and a twisting device with tangential input ports arranged coaxially with the vortex chamber. The inlet ports of the twisting device are made in the form of slotted inlets curved along longitudinal axis and tapering towards the outlet. The vortex chamber is communicated at one end with an energy separation chamber made in the form of a Laval nozzle, in which diffuser portion is an open end of a cylindrical section of the energy separation chamber with a separation gap, which second open end is provided with a swirler in the form of plates assembled crosswise. The body ends of a compressed gas drying device are rigidly and detachably connected to a receiving unit and a condensate receiving unit. The receiving unit contains an inlet connection pipe, a vortex chamber and a connection pipe for discharge of cooled gas flow separated from the vortex chamber by a diaphragm.EFFECT: elimination of sedimentation and flow back to the nozzle box with its further flooding with condensing moisture, reduction of dissipative losses of thermal gradient and increase of condensation efficiency in the vortex device.3 dwg

Cooling device based on brayton cycle // 2631841
FIELD: machine engineering.SUBSTANCE: cooling device based on Brayton cycle (100) according to the present invention in a refrigerant line (101) comprises several stages of compressors (102a, 102b, 102c); a sensor (160) the temperature for detecting the thermal load of a cooling object and a buffer reservoir (111) provided between a low-pressure line (109) and a line (110) high pressure. The coolant flow rate in the coolant line is adjusted by adjusting the opening degree of the valves (112, 113) to correct refrigeration performance.EFFECT: providing cooling device based on Brayton cycle using multiple stages of compressors and having good response without efficiency reduction due to thermal load change of the cooled object.6 cl, 8 dwg

Device with circulation of fluid environment, having constant temperature // 2631192
FIELD: ventilation.SUBSTANCE: condenser (23) has a plurality of sections (40a, 40b) located overlapping the coolant flow supplied from the fan (41). Each of them is formed from an inlet pipe (53) into which a coolant is supplied, an outlet pipe (54) from which a coolant is discharged, a plurality of pipes 55 of a condenser for connecting an inlet pipe and an outlet pipe and a radiator plate (56) connected to the pipes of a condenser. In this case, a plurality of sections of a condenser have inlet pipes and outlet pipes installed so that they are oriented in the same direction and are connected to each other in series. With the help of a connecting pipe, the outlet pipe of the section of the condenser located in the downstream direction with the inlet pipe of the section of the condenser facing the flow and is configured to flow the coolant in the same direction inside the condenser pipes of the sections of the condenser.EFFECT: invention improves the cooling capacity of an air-cooled condenser.8 cl, 11 dwg
ethod of increasing energy efficiency of refrigerators // 2630813
FIELD: satisfaction of human life necessities.SUBSTANCE: part of heat flow from the surface of condenser is utilized by converting thermal energy into electrical energy that can be accumulated in the battery and used to power the additional blower of condenser surface, or to ensure the operation of refrigerator in case of an emergency power failure, or to ensure the operation of additional devices that increase comfort level of refrigerator. To convert thermal energy into electrical, multilayer film thermocouples can be used which are attached to the surface of condenser by means of foil plate, or foil plate can be a substrate on which multilayer film thermocouples are produced by method of sputtering thin thermocouple films.EFFECT: providing the prospect of improving the design of refrigerators and creating new models of refrigerators with increased efficiency and a higher level of comfort.6 cl, 1 dwg
 
2551018.
Up!