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)

ethod of temperature control and temperature control device // 2628439
FIELD: food industry.SUBSTANCE: method involves: defining a target user intending to use a refrigerator; collecting target information on the target user's preferences with respect to food products, the target information about preferences containing at least the target type of food products, the target meal time and the target state of food products; defining the target food products from food products stored in the refrigerator at the time, based on the target-type food products; and controlling the temperature of the area where target food products are stored in such a way that the target food products reach the target state of food products to the target meal time. In said disclosure of the invention substance, the refrigerator can automatically collect target information about the preferences of a target user, who wants to use a refrigerator, and to control the temperature based on the collected target information about preferences in such a way that the target user could obtain from the refrigerator in the target meal time the target food products that are in the target state of food products, required by the target user.EFFECT: increasing the intelligence level of the refrigerator temperature control and improving the user's experience.18 cl, 12 dwg

Refrigerator // 2628430
FIELD: food industry.SUBSTANCE: refrigerator includes a storage compartment formed by heat-insulating walls and having an open front part; a cold air duct extending in the vertical direction of the refrigerator along the inner side of the rear wall of the storage compartment. The cold air duct includes a cold air passage that is made with the possibility to supply cold air. The refrigerator additionally includes a cold air discharge opening made with the possibility to discharge cold air supplied through the cold air passage into the storage compartment. The cold air passage has an elliptical cross-section. The major axis of the elliptical cross section of the cold air passage is parallel to the horizontal direction of the storage compartment.EFFECT: increasing the useful refrigerator volume.5 cl, 2 dwg

ethods of storage of cryogenic fluid environments in storage tanks // 2628337
FIELD: machine engineering.SUBSTANCE: method to maintain the supercooled state of the bottom portion or the natural convective flow of LNG in the storage tank comprises allocating part of the cryogenic fluid cooling portion abstracted cryogenic medium and re-introduction portion abstracted cryogenic fluid back into the fluid reservoir area for storage. Cooling is provided by mechanical cooling. The method of advantageously maintenance of the supercooled state throughout the volume of fluid in the storage tank, comprises allocating the part of the cryogenic fluid of cooling portion abstracted cryogenic medium and re-introduction of abstracted cryogenic fluid portion back into the fluid reservoir area for storage. Cooling is provided by mechanical cooling.EFFECT: exclusion of gas discharge into the tank.24 cl, 1 dwg

Cooling system // 2627996
FIELD: heating system.SUBSTANCE: cooling system includes a cooling cycle having: a circulation circuit (101) in which the refrigerant flows; And at least one compressor (102) for compressing the refrigerant, a heat exchanger (103) for cooling the refrigerant compressed by the compressor, at least one turboexpander (104) for expanding the refrigerant cooled by a heat exchanger to generate cold from heat, and a cooling element (105) for cooling an object to be cooled by heat from the cold, which are provided in series on the circulation circuit, where at least any of at least one compressor or at least one turbo expander is included into a plurality of compressors or turbines, which are arranged parallel to each other with respect to the circulation circuit.EFFECT: increasing the efficiency of mounting in a confined space, good reliability.5 cl, 8 dwg

Thermoelectric device for thermal cosmetic procedures // 2627798
FIELD: medicine.SUBSTANCE: thermoelectric device for thermal cosmetic procedures includes a high thermal conductivity base as a mask repeating the contours of a human face with holes in the area of eyes, nose and mouth. From the side of contact with the face surface, the base has a thin silicon layer, and is connected with affecting thermocouples junctions on the opposite side. The thermocouples are connected to a programmable DC power source that implements various operation modes. The reference thermocouples junctions are coupled with an air radiator. The base is provided with a fastener for dense device fixation on the human face, it is a sealed container filled with granulate and formed by a solid film from the side of contact with the human face surface and by a flat rigid plate from the opposite side. The plate and granulate are made from a material with high thermal conductivity.EFFECT: increased efficiency of thermal cosmetic procedures due to consideration of individual human face geometry.1 dwg

ethod of hydrocarbon gas treatment for transportation // 2627754
FIELD: oil and gas industry.SUBSTANCE: method of treating condensate-containing formation gas for transportation in a basic plant by a three-stage separation involves feeding the gas flow to the primary separation stage, compressing the gas flow and cooling it down with ambient air, cooling the gas flow down. The gas flow is fed to the secondary separation stage, secondary gas flow cooling stage, the stage of gas flow decompression and cooling, then to the final separation stage. The separation gas is heated up by the gas flow after the secondary separation, both decompressed and cooled, then heated up by the gas flow after the primary separation. The separation gas is withdrawn from the basic plant, the liquid phase is fed after the final separation to separate the gas into degassing gas, unstable condensate and a water-methanol solution. The degassing gas is fed to the gas flow after the decompression with cooling, the liquid phase is mixed after the secondary and final separation, the mixed liquid phase is separated into a low pressure degassing gas, unstable condensate and a water-methanol solution. The unstable condensate is mixed and supplied for separation into weathering gas, unstable condensate and a water-methanol solution. The unstable condensate and water-methanol solution are discharged from the basic plant. The low-pressure degassing gas, weathering gas and deethanization gas from the condensate deethanization unplant are mixed, the mixed gas is injected into the gas flow, the deethanization gas is cooled down with the unstable condensate, transported from other gas treatment plants, and with the unstable condensate of the basic gas treatment plant.EFFECT: increase in the efficiency of the low-temperature separation plant by preventing the reduction of the unstable condensate output by the joint treatment of a gas condensate mixture of wells in the basic plant and gas from the condensate deethanization plant.1 tbl, 1 dwg
Plant for layerwise freezing and using of natural ice while cooling milk // 2627574
FIELD: food industry.SUBSTANCE: plant for layerwise freezing and using of natural ice while cooling milk comprises a thermally insulated reservoir, a level sensor, a control unit, a water pump and a motorized valve installed in the pipe connecting the water supply system with the thermally insulated reservoir, inside which there are two pairs of vertically spaced electrodes which are connected to the electronic comparison unit, and the lower part of the recessed-type ice storage is provided with the restrictive lattice not allowing to completely fill the entire volume of the ice storage with ice, the upper part has a neck with the self-regulating heating tape fixed thereon for sealing off ice layers from the neck walls, and for submerging the sealed-off ice layers there is a hydraulic distributor with a hydraulic cylinder mounted on a curved support; for fixing the submerged ice formations, there are four channel racks with plate clamps fixed thereon. The formation of water doses for layerwise freezing is carried out by means of the siphon tank-dispenser, the operating frequency of which is regulated by the consumption valve and the siphon length.EFFECT: increasing the cooling efficiency.1 dwg

Apparatus for thermo-hydration treatment of food products // 2627572
FIELD: food industry.SUBSTANCE: apparatus comprises a bath divided into compartments, a loading and an unloading units, a mechanism for moving the product with a drive, a means of connecting the bath to the water source and a means of draining the waste water. The compartment in which the mechanism for moving the product is arranged is rectangular in plan. The mechanism for moving the product is made in the form of a scraper conveyor comprising a frame on which a horizontal end shaft and a horizontal drive shaft are mounted. A closed flexible tape equipped with transverse scrapers is put on the shafts. The end and the drive shafts are located above the level of the flexible tape in its middle section, with the possibility of arranging the end portions of the flexible tape at the level of the loading and unloading units. The conveyor frame is made with the possibility to pivot around the drive shaft. On the scraper conveyor frame, above its middle part, a pressure sheet is installed with the possibility of arranging its part below the water level in the bath. The conveyor frame has a mechanism for lifting it arranged at its free end.EFFECT: weight reduction and simplification of the apparatus design.6 cl, 3 dwg

Storage for food products with accumulation of cold // 2627570
FIELD: food industry.SUBSTANCE: food storage with accumulation of cold is made in the form of an underground structure, which contains a vessel for accumulating cold, thermosiphons, an air refrigerating chamber, which has a wall, a floor and a ceiling coating with a hatch, a sloping vestibule with a door and a staircase. The thermosiphons contain the evaporation area, the transport area and the condensation area. The outer wall of the vessel for accumulating cold have cooling ribs on which fans with adjustable automatic switches located inside the refrigerating chamber are installed.EFFECT: increasing the refrigerating chamber cooling speed.2 dwg

ethod of obtaining co, h2 and methanol from synthesis gas, in particular from the waste gas production of acetylene // 2627398
FIELD: chemistry.SUBSTANCE: invention relates to a process of the preparation of a product of methanol, product H2 and a CO product from a synthesis gas containing H2 and CO, in particular from the exhaust gas of acetylene production. The method includes separating a syngas stream into first and second partial synthesis gas streams where only the CO present in the first partial synthesis gas stream is converted to CO2 and H2 using steam, washing the first partial synthesis gas stream and a portion of the second partial synthesis gas stream, each in a separate column with an amine-containing washing agent, in particular for washing from CO2, wherein in particular the washing agent is regenerated in a common column, wherein the methanol product stream is formed from one portion of the washed converted first partial synthesis gas stream and/or another portion of the unconverted second syngas stream so that the ratio (H2-CO2)/(CO+CO2), which is required for the synthesis of methanol, is regulated in the methanol product stream, in particular in the range of 2.0 to 2.1, where the washed one part of the second unconverted partial synthesis gas stream is used to produce the CO product stream and the H2 product stream and where the other portion of the washed first partial synthesis stream is synthesized, gas is used to produce the product stream H2.EFFECT: invention provides an efficient and economical preparation of three methanol products, H2 and CO from a synthesis gas containing H2 and CO.10 cl, 1 dwg

ethod of air conditioner controlling for a vehicle (options) // 2627249
FIELD: ventilation.SUBSTANCE: for controlling of the air conditioner, the state of the air mixing valve and the compressor are adjusted in response to the load of the energy conversion device greater than the threshold value. The air is circulated by means of an air mixing valve with a lower than threshold fresh air percentage after adjusting the state of the mixing valve. The air conditioning system comprises an air mixing valve that is adjusted in response to the load requirement of the energy conversion device.EFFECT: improving the response of the air conditioning system without power reducing.15 cl, 6 dwg

Fridge door and fridge including such fridge door // 2627067
FIELD: satisfaction of human life necessities.SUBSTANCE: fridge door that enables to minimize the cost increase and the strength reduction, and the fridge that includes such a door are described. The fridge door includes a door unit with a vacuum-thermal insulation, a door unit filled with foam heat insulation, a frame fixed to the door unit for supporting purposes with the ability to move, a fastening element to fix the frame to the door unit, a backboard inside the door unit. The backboard is fixed with the fastening element, a protecting element is fixed to the backboard to be disposed opposite the side of the distal end of the fastening element extending towards the door unit. The foam heat insulation is filled into the gap formed between the protecting element and the backboard.EFFECT: improved efficiency of cooling via preventing damage of the vacuum-thermal insulation.7 cl, 7 dwg

Household refrigeration unit with mobile condenser // 2626944
FIELD: human vital needs satisfaction.SUBSTANCE: household refrigeration unit with a movable condenser contains a refrigerating cabinet, a sealed unit, a flat tube-type condenser that includes connecting pipelines, a compressor, an evaporator and a condenser in the form of a finned tubular coil cantilever mounted on the back wall of the refrigerating cabinet. The upper part of the condenser interacts with the actuator of the electromagnetic vibrator attached to the cabinet of the refrigerating cabinet. The household refrigeration unit is equipped with a comparison element of the actual ambient air temperature with its regulated value, and by comparison, the vibrator is turned on or off.EFFECT: reduced power input to the electromagnetic vibrator and a decrease in the specific energy consumption of the refrigeration unit.2 dwg

Plant for processing of low-pressure hydrocarbon gases and liquid hydrocarbons (versions) // 2626840
FIELD: oil and gas industry.SUBSTANCE: plant includes, in the first version, the compression units of the first and second stages, a reducing device, a low-temperature separator, two de-ethanizers, a heat exchanger. In the second and fourth versions, the plant is additionally includes a debutanizer, and in the third and fourth - a purification and/or drying unit. In operation of the plant in the first version, the feed gas is mixed with deethanization gases, compressed and refluxed in the first stage compression unit to obtain condensate, cooled in heat exchanger, compressed and refluxed in the second stage compression unit to produce condensate, fed to the heat exchanger as coolant, and compressed gas which through the reducing device is supplied to low temperature separator from which the gas is supplied as coolant to the second stage compression unit and withdrawn after heating as commercial gas, condensate is fed to the first deethanizer, where it is separated into gas, supplied to deethanization gas supply line and technical propane/automobile propane, withdrawn from the plant. Liquid hydrocarbons are fed to the second deethanizer together with condensates of the first and second stages, where they are separated into gas supplied to the feed gas line and technical propane-butane/technical butane, withdrawn from the plant.EFFECT: invention provides increased recovery of hydrocarbons, expansion of production range, co-processing of low-pressure hydrocarbon gases and liquid hydrocarbons.16 cl, dwg 1

ethod of yield increase and stabilization of fractional natural gas liquefaction plant located at gas distribution station // 2626615
FIELD: oil and gas industry.SUBSTANCE: gas stream is withdrawn from the main gas pipeline with a pressure relief during an increase in the gas pressure in the main gas pipeline and the gas flow in the gas distribution net to supply the gas to the consumer via the open first main flow regulator, after which the gas is sent to a natural gas partial liquefaction plant. At the same time, the reverse flow formed in the partial liquefaction plant of natural gas is sent through a regulator of the reverse gas flow, where pressure is released, to the gas distribution network to supply the gas to the consumer. When the gas pressure in the main gas pipeline and the gas flow in the gas distribution net for supplying gas to the consumer are being decreased, the first main gas flow regulator is closed and the gas flow from the main gas pipeline is directed through the open second regulator of the main gas stream, with the help of which the main gas flow pressure is reduced to the working pressure of the gas flows mixing to one of the inputs of the gas stream mixer. Then the gas flow is directed to a pressurized compressor device, and then to the inlet of the partial natural gas liquefaction plant. At the same time, the reverse flow formed in the natural gas partial liquefaction plant is directed, on the one side, through the gas return regulator to the gas distribution net to supply the gas to the consumer, and on the other side through the third gas flow regulator for recirculation and compression into the circulation compressor unit with its subsequent supply to another inlet of the gas flow mixer. In the mixer, the compressed circulating gas flow is mixed with the main gas flow and the resulting flow is fed to the suction drum of a pressurized compressor device feeding the gas flow to the inlet of the natural gas partial liquefaction plant.EFFECT: increasing of the liquefaction rate of the natural gas liquefaction complex and reducing of the dependence of the natural gas liquefaction process on the seasonal unevenness of changes of pressure and main flow gas flowrate from the main gas pipeline to the gas distribution station.4 cl, 2 dwg

Autonomous plant of liquefied natural gas cleaning (versions) // 2626612
FIELD: oil and gas industry.SUBSTANCE: plant contains a raw liquefied natural gas (LNG) heater, a compressor, a clean LNG tank separator with a separated vapor discharge line and a rectification column with a bottom liquid outlet branch pipe. The pipeline for discharging the heating medium from the raw LNG heater is connected to the supply line of the clean LNG tank separator and to the reflux liquid supply line to the rectification column. In the first, second and third embodiment, the plant comprises of an evaporator, and partially condensed compressed steam is used as the heating medium in the raw LNG heater. The cooling medium of the rectification column evaporator is the bottom liquid of the rectification column.EFFECT: improving the quality of liquefied natural gas cleaning.4 cl, 4 dwg

Device for realisation of adsorption cycle for increasing temperature potential of heat source // 2626525
FIELD: power industry.SUBSTANCE: device for implementing the adsorption cycle of increasing the temperature potential of a renewable heat source includes an adsorber, a heat exchanger in contact with the adsorbent granules, a vacuum tap, a container with liquid refrigerant and a heat exchanger partially immersed in the liquid refrigerant. The container with liquid refrigerant and the heat exchanger is a condenser and an evaporator. As the adsorbent, a composite adsorbent of methanol vapour is used, which is a porous matrix selected from the group consisting of silica gel, alumina, vermiculite, the pores of which contain a metal halide or nitrate from the range of: calcium, magnesium, lithium, nickel or cobalt in an amount of at least 17 wt %, Alcohols are used as the refrigerant-adsorbent.EFFECT: increasing the temperature potential of a renewable heat source in a closed adsorption cycle.4 cl, 1 tbl, 1 dwg

Waste heat recovery system // 2626273
FIELD: power industry.SUBSTANCE: system includes lines for charging the cooling machine and heat recovery, liquid line, bypass gas line and bypass liquid. On the liquid bypass line, a pressure regulator and a return valve are installed, and there is a return valve to the condenser on the charging line. The output of the bypass line return valve is connected to the input of the receiver, the in which the gas monitoring device is connected to the output of the liquid line return valve. In versions on the charging line, an additional solenoid valve is installed, the differential pressure regulator, the output of the remote condenser is connected to the input of the pressure regulator or to the input of the check valve, the output of the return valve of the heat recovery line is connected to the outlet of the back pressure regulator of the charging line, feed into the condenser and the input of the line pressure regulator bypass liquid, connected to the inlet of the return valve of the bypass liquid line.EFFECT: obtaining almost complete return of thermal energy of condensing the cooling machine for the consumer needs without reducing the efficiency of the cooling machine.4 cl, 4 dwg

ethod of stripped gas compression // 2626270
FIELD: oil and gas industry.SUBSTANCE: stripped gas compression method involves heating the stripped gas obtained by separating hydrocarbons C2+above from the dried gas with its low-temperature condensation and rectification, compression of the stripped gas in the compressor part of the turbo expander and cooling of the stripped gas. At the same time, prior to the stripped gas compression in the compressor part of the turbo expander, a portion of the heated stripped gas flow is taken and its parallel compression is performed in the compressor. The amount of the taken portion of the flow is determined by calculation, depending on the power of the turbo expander, which is determined by the required degree of recovery of hydrocarbons C2+above, and the compression ratio of the compressor, determined by the required pressure of the commercial stripped gas. In addition, after parallel compression in the compressor, the flow of the stripped gas is combined with the flow of the stripped gas, exiting the compressor part of the turbo expander, ensuring that the pressure of the combined flows is equal, and then directed to cooling.EFFECT: reduction of operating and capital costs.1 dwg, 2 tbl

ethod of non-waste pretreatment of production fluid // 2625846
FIELD: oil and gas industry.SUBSTANCE: method for non-waste pretreatment of production fluid involves stepwise separation of wet gas to produce condensate and gas at each stage, separating the first stage gas under reflux conditions and reducing the second stage gas. The gas of the first stage and debutanization gas are dried. The dried first stage gas is reduced and separated in the second stage by cooling with the reduced second stage gas, which is then mixed with the dried debutanization gas and withdrawn as a sales one. The condensates of the first and second stages are reduced and debutanized to produce gas and sales condensate.EFFECT: elimination of hydrate formation inhibitor consumption, elimination of light gas components losses and improvement of condensate quality.1 dwg

Working medium and heat cycle system // 2625307
FIELD: chemistry.SUBSTANCE: invention relates to a working medium of the heat cycle comprising 1,1,2-trifluoroethylene in an amount of at least 20 wt % and difluoromethane in amounts of at least 1% by weight in the production environment (100 wt %), and to the heat cycle system employing the working environment.EFFECT: reduction of flammability, less impact on the ozone layer and global warming, excellent performance and safety of the heat cycle system.12 cl, 6 tbl, 3 dwg, 5 ex

Absorption refrigerator with built-in heat pump plant // 2625073
FIELD: heating.SUBSTANCE: absorption refrigerator with built-in heat pump plant contains a generator unit with the first condenser and an absorber unit with the first evaporator. The first condenser of the first unit is connected to the first evaporator of the second unit by a liquid line, and the generator is connected to the absorber by lines of rich and poor solutions, running respectively through the cooling and heating cavities of the first regenerative heat exchanger. The absorption refrigerator is additionally equipped with a heat pump plant, a solar heater and a cooling tower. The heat pump plant includes the second condenser, a compressor, the second evaporator and the second regenerative heat exchanger, wherein the generator is connected to the input of the second condenser through water by a hot water line. The output of the condenser is connected to the input of the solar heater. The output of the solar heater is connected to the generator input, the output of the first condenser is connected to the input of the second evaporator by cooling water. The output of the second evaporator is connected to the inlet of the cooling tower, the output of which is connected to the input of the first condenser by means of a cooling water pump.EFFECT: increased efficiency, mobility and reliability of the absorption refrigerator.1 dwg
Device for super-quick cooling of biological samples up to cryogenic temperatures // 2624963
FIELD: biotechnology.SUBSTANCE: super-quick cooling device for biological samples to cryogenic temperatures using electric linear reciprocating motion includes a linear electric actuator situated in a zone with ambient temperature, comprising coaxially arranged fixed inductor and a movable armature, providing (by means of guide pin) paused movement of the container with a biological sample, a cooling vessel made of thermally insulating material, the front wall of which contains a passage opening for the container, and an internal nozzle with a spray at the end providing a directed flow of liquid cryogen refrigerant with jets acting on the container with a biological sample, a heating device adjacent to the cooling vessel, and a sealed vessel with liquid cryogenic refrigerant, in the upper part of which there is a valve releasing the excess pressure and connected to the cooling vessel by means of a thermally insulated pipe.EFFECT: increased rate of biological sample cooling.8 cl, 30 dwg

Thermoelectric device for thermal cosmetic procedures // 2624811
FIELD: medicine.SUBSTANCE: thermoelectric device for thermal cosmetic procedures includes a high thermal conductivity base as a mask repeating the contours of a human face with holes in the area of eyes, nose and mouth. From the side of contact with the face surface, the base has a thin silicon layer, and is connected with affecting thermocouples junctions on the opposite side. The thermocouples are connected to a programmable DC power source that implements various operation modes. The reference thermocouples junctions are coupled with a radiator. The base is provided with a fastener for dense device fixation on the human face, it is a sealed container filled with granulate and formed by a solid film from the side of contact with the human face surface and by a flat rigid plate from the opposite side. The plate and granulate are made from a material with high thermal conductivity. The radiator is configured as a hollow metal box allowing to fit a heat accumulator precooled by an external refrigeration unit during operation.EFFECT: increased efficiency of thermal cosmetic procedures due to consideration of individual human face geometry.1 dwg

Thermoelectric device for thermal cosmetic procedures // 2624808
FIELD: medicine.SUBSTANCE: thermoelectric device for thermal cosmetic procedures includes a high thermal conductivity base as a mask repeating the contours of a human face with holes in the area of eyes, nose and mouth. From the side of contact with the face surface, the base has a thin silicon layer, and is connected with affecting thermocouples junctions on the opposite side. The thermocouples are connected to a programmable DC power source that implements various operation modes. The reference junctions of the thermocouples are in contact with the container filled with consumable working substance with a melting point of 35-45C. The base is provided with a fastener for dense device fixation on the human face, it is a sealed container filled with granulate and formed by a solid film from the side of contact with the human face surface and by a flat rigid plate from the opposite side. The plate and granulate are made from a material with high thermal conductivity.EFFECT: increased efficiency of thermal cosmetic procedures due to consideration of individual human face geometry.1 dwg
Thermoelectric semiconductor device for thermoodontometry // 2624806
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for contrast thermoodontometry comprises an actuating tip, a thermoelectric system of exposure temperature change, a reference junction cooling system represented by a flow of a radiator, and a temperature control and regulation unit with a temperature sensor. The actuating tip is a gel material applicator with high thermal conductivity. The switching plates ends in the tip internal cavity protrude beyond the surface formed by the alternating p- and n-type branches on one side and represents the affecting junctions of the exposure temperature change system. The switching plates ends on the other side are in contact with the fluid circulating through the cooling system channel, and represents the reference junctions of the exposure temperature change system. The ends of the p- and n-type branches are coated with a layer of dielectric material with low thermal conductivity, and the projecting portions of switching plates - with a layer of dielectric material with high thermal conductivity. The exposure temperature control and regulation unit includes a power supply, a programmable controller, adigital display, an NC Portable key and a temperature sensor on the inner surface of the applicator. An electrically conductive expanding probe is located inside the dielectric insulating body with a possibiliti of lockeing in two positions.EFFECT: increased accuracy of diagnosis, control and regulation of exposure temperature, improved device weight and size, improved quality of contact with the tooth surface, reduced process inertia under by changing temperature conditions, combination of heat and electrical exposure modes, increased speed of patient response accountig.1 dwg
Thermoelectric semiconductor device for contrast thermoodontometry with liquid cooling // 2624805
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for contrast thermoodontometry with liquid 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 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 attachment. The pad is in thermal contact with hot junctions of the thermoelectric module, which reference junctions are in thermal contact with the aluminium plate and the inner surface of the gel pad comprises a temperature sensor. The supporting unit comprises a box with a handle, made from a material with low thermal conductivity. The box cavity is a fluid heat exchangerand is limted by an aluminium plate from the inner side. Side walls of the support block have beveled guides at the bottom to insert and fix the aluminium plate of the actuating removable attachment, 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
Thermoelectric semiconductor device for contrast thermoodontometry // 2624804
FIELD: medicine.SUBSTANCE: thermoelectric semiconductor device for contrast thermoodontometry 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 attachment consists of dielectric clamping plates of different shapes to fix the attachment 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 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 made of a material with low thermal conductivity, with a cavity containing a working substance with high melting heat and melting temperature of 40-50C, limited by an aluminium plate from the inner side. Side walls of the support block have beveled guides at the bottom to insert and fix the aluminium plate of the removable attachment, 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

Gas treatment plant // 2624710
FIELD: oil and gas industry.SUBSTANCE: gas treatment plant includes the inlet separator, the reflux exchager and the low-temperature separation unit. The gas/reduced condensate heat exchanger is installed before or after the inlet separator. The gas/low-temperature separation gas heat exchanger is positioned after the inlet separator, it is heated in the reflux exchager, which is made single-section. The unit is equipped with the condensate stabilisation unit.EFFECT: improvement of the traded gas and condensate quality.1 dwg

High-efficiency heat pump, which combines absorption and changes in solution concentration // 2624684
FIELD: machine engineering.SUBSTANCE: invention relates to methods for compressing the working fluid used to transfer heat from the coolant with a lower (E) to the coolant temperature with a higher temperature (Al), and may be used in the heat pump. The method combines absorption and change in concentration of the electrolyte solution, such as ZnCl2, (Na, K, Cs, Rb) OH, CoI2, (Li, K, Na) (Cl2, Br2, I, SO4) or substances whose concentration decreases with increasing temperature, in a polar solvent: H2O, NH3, Methanol, ethanol, methylamine, DMSO, DMA, AN, formamide, formic acid. A highly saturated solution is cooled, discharged from the absorber-exchanger (A1) from a high (1) to a low (2) temperature during passage through heat exchanger-crystalliser (NOT) to form absorbent crystals. Crystals separated (K1), remains low concentrated solution (2). For cooling low-concentrated solution is partially expanded (2), steam is supplied to crystals (R1) in which they are absorbed. Tighten the solution to the heat exchanger-evaporator pressure (E). The low-concentrated solution is expanded in the turbine producing work and refrigerating cycle to partially evaporate in an evaporator-heat exchanger (E) at a given temperature and solvent vapor formation. The additional absorbent crystals (K2) are separated, connecting them into the previously selected crystals (K1). Steam is heated by passing it through a heat exchanger, a crystalliser (NOT) and compressed (5) of its pressure absorber (A1). The low-concentrated solution (3) remaining after partial evaporation compressed to a pressure absorber (A1) and heated in a heat exchanger, a crystalliser (NOT). The separated crystals are heated in the heat exchanger, a crystalliser (NOT) is dissolved in a hot solution of (3) to form the highly-concentrated solution. Steam (4) is streamed into the absorber (A1), where the vapor is absorbed, and the heat is removed and re-formed starting solution.EFFECT: method improves the efficiency of heat transfer, such as heating, air conditioning.8 cl, 4 dwg

Refrigerator // 2624679
FIELD: human vital needs satisfaction.SUBSTANCE: refrigerator controller includes a parameter table storing the resistance to the flow of the pressure reducing device associated with each of the outside air temperatures, the flow resistance being different from each other, the operation mode setting unit configured to select one of the flow resistances in the parameter tables Based on the outside air temperature determined by the outdoor temperature sensor, and the refrigeration circuit control unit configured to establish a working Time for the flow resistance selected by the operation mode setting unit and controlling the refrigeration circuit to provide the energy-saving mode to be performed, depending on the resistance Rf to the flow and the operating time.EFFECT: creating a refrigerator with a simplified design.10 cl, 9 dwg

Refrigerant apparatus with a container // 2624662
FIELD: human vital needs satisfaction.SUBSTANCE: there is a refrigerant apparatus with a cold-storage chamber that has a container required with a lid. This lid is designed with a possibility of movement in the U channel which is integrated into a refrigerant apparatus inner container wall that bounds a cold-storage chamber and has an area at the first and second heightwise levels. The lid moves to a different height to the first and second heightwise levels for the location of the lid at different distances from a container.EFFECT: refrigerator usability.14 cl, 8 dwg

ethod of non-waste pretreatment of production fluid (versions) // 2624656
FIELD: oil and gas industry.SUBSTANCE: according to the first version of the proposed method, the raw gas is separated at the first stage with gas water and hydrocarbon condensates production, the latter is reduced and stabilised together with the second stage condensate with production of the first stabilisation gas and the residue. The first stage gas is reduced and separated in the mixture with the first stabilisation gas at the second stage by cooling under the reflux conditions to form the condensate and gas, which is reduced, mixed with the second stabilisation gas, and separated at the third stage to form the condensate and gas, which is heated and discharged as the traded one. The stabilisation residue is reduced and stabilised together with the third stage condensate to produce the traded condensate and the second stabilisation gas. According to the second version of the proposed method, the hydrocarbon condensate of the first stage is reduced and stabilised, and the stabilisation residue is reduced and stabilised together with the third stage condensate and the reduced condensate of the second stage.EFFECT: increase of the hydrocarbon recovery and the gas light components losses elimination.8 cl, 2 ex, 2 dwg

Device of intermediate gas separation (versions) // 2624654
FIELD: oil and gas industry.SUBSTANCE: two versions of the device are suggested. The device according to embodiment 1 includes the reflux exchanger with the reflux section, two reduction devices and two recovery heat exchangers. The reflux exchanger of version 2 is additionally equipped with the stripper. While operating the device of embodiment 1, the inlet separation gas is divided into two parts, one of which is cooled in the first recovery heat exchanger by the traded gas, and the other, is cooled in the second recovery heat exchanger by the reduced condensate, mixed and through the reduction device sent to the reflux exchanger below the reflux section, where it is cooled under the reflux conditions by the gas of low-temperature separation, and then removed after heating in the first recovery heat exchanger as the traded gas. From the top of the reflux exchanger the gas is sent to the low-temperature separation, and the condensate is removed from the bottom, reduced for cooling, heated in the second recovery heat exchanger and sent for stabilisation. The operation of the device according to the 2 version is characterised in that the coolant is supplied to the stripper.EFFECT: improvement of the traded gas quality and increase of the condensate yield.2 cl, 1 dwg

Three-product gas treatment plant // 2624652
FIELD: oil and gas industry.SUBSTANCE: three-product gas treatment plant includes the inlet separator, the reflux exchanger, the reduction device and the low-temperature separator. There is the ejector equipped with the debutanization gas feeding line before the input separator. The recuperation heat exchanger and the reduction device are installed before the reflux exchanger. The low-temperature separator is connected by the deethanization gas and the condensate feeding lines to the deethanizer, equipped with the propane-butane fraction outlet line, connected to the condensate feeding line reflux exchanger, at which the reduction device is installed. The plant includes the reduction device and the debutanizer, equipped with the debutanization gas lines and the stable condensate outlet. The heat exchanger for cooling at least the part of the debutanization gas is placed at the condensate feeding line from the reflux exchanger between the reduction device and the deethanizer.EFFECT: expansion of the products range and the quality of the traded gas and condensate improvement.2 cl, 1 dwg

Associated petroleum gas preparation plant // 2624626
FIELD: oil and gas industry.SUBSTANCE: invention discloses the associated petroleum gas preparation plant, including the heater and the converter, equipped with the converted gas exhaust line with the recovery device, wherein the plant is equipped with the selective methanation gas converter of the associated petroleum gas with the gas-vapor mixture input line and is equipped with the water preparation unit, connected by the prepared water supply line with the associated petroleum gas supply line and equipped with the salt concentrate discharge lines, the water input and the degassing water condensate supply from the reflux exchanger, which is mounted on the gas-vapor mixture input line.EFFECT: improvement of the prepared gas quality, reduction of the energy consumption and metal consumption of the plant.3 cl, 1 dwg

ethod of producing ice blocks // 2624197
FIELD: construction.SUBSTANCE: method of obtaining blocks of ice includes placing water in the ice-box, placing the ice mould in a freezer in which the temperature is kept below the freezing point of water until it freezes in ice-form. Freezing of ice in the ice-form leads from the bottom upwards, with the supply of cold through the bottom of the ice-form, while the temperature of the water above the frozen ice layer keeps rising from the bottom upwards from the temperature corresponding to the freezing point of water to a level higher than its freezing temperature.EFFECT: elimination of volume-surface freezing of a sample of ice during its freezing and obtaining a uniform density of ice in the entire volume of the sample, without the use of special ice generators.1 dwg
Cryothermostat // 2623746
FIELD: heating system.SUBSTANCE: cryothermostat including a body, an entrance door and a refrigerated monoblock with a control panel to increase the accuracy and reliability of the thermostating, additionally contains a local thermostat to house the temperature control object, as well as a local thermostat including a body, fan, heater, meter and temperature controller for uniform thermostating of air over its length by a gyre, contains a duct fan with air circuit for the entire length of the thermostat.EFFECT: increasing of the accuracy and reliability of temperature stabilization in the testing of frozen soils in the freezer, its efficiency and the expansion of functionality.8 cl, 2 dwg

Condenser-evaporator // 2623351
FIELD: power industry.SUBSTANCE: condenser-evaporator comprises a housing with inlet ports for working flows input and output, with one or more plate-fin heat exchange elements with alternating boiling and condensing channels, with collectors for condensing medium input and output. Each heat exchange element is made of a whole-piece with a sectionalized boiling cavity, where channels of each section are separated by spacers.EFFECT: reduced metal consumption.2 cl, 2 dwg

Tunnel freezing device // 2623242
FIELD: heating system.SUBSTANCE: air coolers in the freezer compartment are installed at the top and bottom of the metal perforated conveyor belt carrying the product to be cooled. The electro-convective device of the apparatus in the form of an electrogasdynamic system connected to the voltage source contains two electrode blocks arranged parallel to each other, one of which is located in the freezer compartment area under the upper cooler and the other - in the freezer compartment area below the lower cooler. Each of the blocks consists of wire type electrodes: generating and grounding. In the version of the unit, the generating electrode can be provided with EHD needle-shaped elements. When high voltage is applied to the unit electrodes, a corona discharge arises and, as a result, an electric wind appears forming the conditions for forced electroconvection. The areas of electrode blocks location are connected by a bypass, which has built-in electrode blocks at its input and output to intensify convection. Air humidity and frost formation adjustment is ensured by an electrode unit with EHD wire-type elements placed between the upper cooler and the bypass output channel area, connected to a voltage source via a voltage divider.EFFECT: economic and technological efficiency of the device is increased due to reduction of energy consumption, reduction of freezing process duration, product shrinkage reduction, and provision of its electro-antiseptization.3 cl, 4 dwg

ethod of natural gas liquefaction // 2623021
FIELD: oil and gas industry.SUBSTANCE: refrigerant stream consisting of several components with different boiling points, is compressed in the first pressure stage, cooled in the intercooler, after the intercooler of the first stage of compression and mixing, the intermediate pressure stream is separated in the first separator into liquid and gas fractions. The gas fraction is compressed in the second pressure stage of the compressor and is sent to the second separator from which the high pressure liquid fraction expands to an intermediate pressure is heated in the fourth heat exchanger and returned to the second pressure stage before the first separator. The liquid fraction from the first separator is pre-cooled in the fourth heat exchanger due to the cold of the expanded liquid fraction from the second separator, then it is cooled in the first heat exchanger together with the natural gas, expanded to low pressure and mixed with the return flow. The liquid fraction from the third separator is cooled in the second heat exchanger along with the natural gas, expanded to low pressure and mixed with the return flow from the third heat exchanger which, after evaporation in the second and first heat exchangers, is sent to the first pressure stage of the compressor. The gas fraction from the third separator is sequentially liquefied together with the natural gas in the second and third heat exchangers, is expanded and directed to the return flow.EFFECT: increased energy efficiency of the process of natural gas liquefaction.1 dwg

Gas-distributing station // 2623015
FIELD: oil and gas industry.SUBSTANCE: gas-distributing station contains a control unit, a process unit with high and low pressure gas line, a condensate tank, an ejector, a vortex tube, a heat exchanger, a control unit is equipped with an outdoor temperature sensor and a vortex tube hot flow-rate regulator, the outer surface of the condensate tank is covered with a heat-insulating and heat-accumulating material. Condensate extractor includes a case with a lid and a conical bottom connected to the condensate tank and is provided with a deflecting baffle which is designed with a coating, obtained by a ion-plasma method, a glass-like nano-shaped film of tantalum oxide from the side of the input nozzle of cold-flow from the vortex tube, besides, the deflecting baffle is connected to the lid and is located between the input and output nozzles of the cold flow.EFFECT: increasing operating efficiency of the plant during long-term exploitation.4 dwg

Light fractions recovery unit // 2623001
FIELD: machine engineering.SUBSTANCE: light fractions recovery unit includes a compressor and a cooling and separation device installed in the gas supply line from the tanks, a gas blower is installed as a compressor. The apparatus further includes an adsorption unit comprising at least two adsorbers with heat exchange unit units disposed in the adsorbent bed, one of which is in the adsorption mode and the other in the regeneration and cooling mode. The device for cooling and separation is made in the form of a two-section reflux condenser with a separation zone and a feeding zone. The upper section of the reflux condenser is connected by the refrigerant input/output lines to the refrigeration machine, the lower section is connected by the intake line of the purified gas mixture to the adsorber in the adsorption mode and equipped with a line for its withdrawal. The separation zone is equipped with a condensate outlet line, the supply zone is connected to the compressor, and the top of the reflux condenser is with the adsorber in the adsorption mode. In addition, the adsorber in the regeneration mode is connected to the lines of the cleaned gas mixture outlet and the gas mixture to the compressor, and its heat exchange element block is connected to the refrigerating machine by the heat carrier supply line.EFFECT: elimination of restrictions on the volume of compressible gas mixture and reduction of energy consumption and metal consumption of equipment.3 cl, 1 dwg

ethod of condensing vapours of oil products // 2622948
FIELD: oil and gas industry.SUBSTANCE: method of condensing vapours of oil products involves the evacuation of hydrocarbon vapors from the storage tank of oil products, their cooling and condensation, the collection of condensate formed in the intermediate collector, the separation of water from liquid hydrocarbons, and the return of liquid hydrocarbons to the storage tank. A vapour compression heat pump is used in this method, which comprises a compressor, a condenser, a thermostatic expansion valve and a two-section evaporator, the operating and protection sections of which alternately operate in the condensing and regeneration modes, correspondingly. Hydrocarbon vapours from the storage tank are led to an evaporator section operating in a condensation mode, the water contained therein is condensed on the heat exchange surface in the form of an ice crust by recuperative heat exchange with a boiling refrigerant, and the condensed liquid oil product separated from the water is led to the intermediate collector to be returned to the oil product storage tank. The condensing heat of the refrigerant in the condenser of the heat pump is used to heat the intermediate heat carrier by means of recuperative heat exchange. The intermediate heat carrier heated in the condenser is divided into two streams, one of which is fed to the evaporator section operating in the regeneration mode to defrost the ice crust, and the second stream is fed to the wasteheat exchanger; the streams of the waste intermediate heat carrier and the wasteheat exchanger are combined after the evaporator section operating in the regeneration mode and are returned to the condenser in the closed cycle mode. The water formed during the defrost of the ice crust together with the water, containing traces of hydrocarbons, from the intermediate collector is preheated in the wasteheat exchanger and directed to the biological treatment stage.EFFECT: increasing the energy efficiency of the process of continuous condensation of vapour mixture containing vapours of oil products and water, creating an explosion-safe, environmentally clear and economically profitable technology for storing oil products.1 dwg

Three-product complex natural gas treatment plant (versions) // 2622930
FIELD: oil and gas industry.SUBSTANCE: four versions of plant are proposed, consisting of input separation units, gas treatment, condensate stabilisation and catalytic processing. During operation of the first plant verison, the raw gas is separated in the input separation unit to produce the water condensate, discharged from the unit, the separation gas supplied to the gas treatment unit, and the condensate supplied to the condensate stabilisation unit after mixing with a wide fraction of light hydrocarbons, supplied from the gas treatment unit. Stable condensate is discharged from the condensate stabilisation unit, and the stabilisation gas is supplied to the catalytic processing unit, from which at least one liquid product of catalytic processing is withdrawn, and the catalytic processing gas is supplied to the gas treatment unit, from which the commercial gas is withdrawn. During operation of the second and fourth verisons, the catalytic processing gas is supplied to the commercial gas exhaust line, and during operation of the third and fourth plant verisons, at least a portion of the liquid product from the catalytic processing unit is supplied to the condensate exhaust line.EFFECT: reducing energy costs and expanding the range of products.8 cl, 1 dwg

Low-temperature separation plant (versions) // 2622926
FIELD: oil and gas industry.SUBSTANCE: low-temperature separation plant includes a dephlegmator-stabiliser with upper dephlegmation and bottom stripping sections, as well as a low-temperature separator with a reducing device and a pump. The stripping section of the dephlegmator is equipped with a feed line of at least a portion of the inlet separation gas. In the feed line of the inlet separation gas, in front of the dephlegmator, a heat exchanger of inlet separation gas/commercial gas and a reducing device are installed. The pump is connected to the upper part of the dephlegmator above the dephlegmation section by a low-temperature separation condensate feed line. According to the second verison, the reducing device and the heat exchanger of a portion of the inlet separation gas/reduced condensate are located in the condensate outlet line.EFFECT: increased yield and quality of commercial gas.4 cl, 1 dwg

Installation of three-product preparation of sulfur dioxide gas // 2622925
FIELD: machine engineering.SUBSTANCE: installation of three-product preparation of sulfur dioxide gas includes an inlet separator, a dephlegmator, a reducing device and a low-temperature separator. Before the separator, an ejector with a debutanization gas feed line is installed in a mixture with the off-gas. A recuperative heat exchanger and a reducing device are installed before the reflux condenser. The low-temperature separator is connected by deethanization and condensate deethanizer lines to a deethanizer equipped with a propane-butane fraction recovery line. A reducing device and a debutanizer connected to the reflux condensate line with a reducing device, equipped with debutanization gas lines and a stable condensate outlet, are installed on the condensate outlet line from the inlet separator. On the commodity gas outlet line, following the recovery heat exchanger, there are desulfurization and dehydration units equipped with lines for the discharge of sulfur or its compounds and waste gas to the debutanization gas line, respectively.EFFECT: preparation of sulfur dioxide gas, expansion of product range and improvement of gas and condensate quality.1 dwg

Cooling system of cascade refrigerating plant // 2622580
FIELD: heating.SUBSTANCE: cooling system of the cascade refrigerating system contains the housing with two heat exchangers placed in it, the main and additional with the vortex cooler, having the low-pressure gas outlet. The low pressure gas outlet is connected to the inlet into the annular space of the additional heat exchanger. The additional heat exchanger tube cross-sectional area and the low-pressure gas outlet cross-sectional area are the same.EFFECT: cooling efficiency is increased by providing its completeness between the direct gas flow and the cooled backflow flowing towards it.1 tbl, 1 dwg

ethod and device for managing the cooling device and cooling unit that realizes the mentioned method // 2622352
FIELD: machine engineering.SUBSTANCE: method for controlling a cooling device is described. The cooling device includes a cooling circuit that includes an evaporator (EV), a variable speed compressor (CPS) and at least one compartment (FG, FZ) that is cooled by said cooling circuit. The method comprises the steps of: calculating, for the evaporator (EV), the first compressor request function (CPSreqEV); calculation, for at least one compartment (FG, FZ), the second compressor request function (CPSreqF); calculation of the complete compressor request function (CPSreqTOT); compressor control by means of said full compressor request function.EFFECT: increasing the efficiency at each stage of operation and optimize the power consumption of the cooling device.24 cl, 6 dwg

ethod and device for removing nitrogen from cryogenic hydrocarbon composition // 2622212
FIELD: chemistry.SUBSTANCE: nitrogen is removed from the cryogenic hydrocarbon composition. The cryogenic hydrocarbon composition is divided into a first portion and a second portion having the same composition and phase as the first portion. The first part is fed to a desorption column of nitrogen operating at a desorption pressure, from which a nitrogen-depleted liquid is discharged. The second portion is fed to a nitrogen-depleted liquid or to a liquid hydrocarbon product stream or process steam that is produced from nitrogen-depleted liquid by performing at least a pressure-depletion stage of the nitrogen-depleted liquid to a flash point that is lower than the desorption pressure. The second portion bypasses the nitrogen desorption column between the flow division and the supply of the second portion to the nitrogen-depleted liquid, or the liquid hydrocarbon product stream, or process steam.EFFECT: reducing the size of the installation and increasing the reliability.20 cl, 2 dwg
 
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