Refrigeration or cooling and combined heating and refrigeration systems and heat pump systems and manufacture or storage of ice and liquefaction or solidification of gases (F25)
F25 Refrigeration or cooling; combined heating and refrigeration systems; heat pump systems; manufacture or storage of ice; liquefaction or solidification of gases(9509)
FIELD: technological processes.SUBSTANCE: invention relates to method and device for removing nitrogen from cryogenic hydrocarbon composition. At least first part of cryogenic hydrocarbon composition is supplied into nitrogen desorption column. Nitrogen desorption column operates under desorption pressure. In nitrogen desorption column desorbing steam is supplied, containing at least stripping part of compressed process steam, which was produced from nitrogen-depleted fluid, in which pressure was released after its removal from nitrogen desorption column. Reverse irrigation is formed with participation of nitrogen desorption column head partially condensed steam by means of heat transfer from head steam to auxiliary coolant flow in amount of cooling efficiency. Exhaust gas consisting of non-condensed steam fraction from head steam, is removed. Cooling efficiency is adjusted to control of discharged steam fraction calorific capacity.EFFECT: technical result is possibility of discharged steam fraction calorific capacity control.20 cl, 2 dwg, 3 tbl
FIELD: refrigerating equipment.SUBSTANCE: invention relates to same object (1) cooling device and method. Object is subjected to cooling by means of several arranged in parallel cooling and/or liquefaction (L/R) devices. In cooling and/or liquefaction (L/R) devices same working gas with low molecular weight is used, that is, having average total molecular weight of less than 10 g/mol, such as gaseous helium. Each cooling and/or liquefaction (L/R) device comprises working gas compression station (2) and refrigerating chamber (3). Refrigerating chamber (3) is intended for cooling of working gas at compression station (2) outlet to cryogenic temperature close to working gas liquefaction temperature. Working gas is cooled by means of each of corresponding refrigerating chambers (3), is input into heat exchange with object (1). One compression station (2) provides compression of working gas for each of corresponding individual refrigerating chambers (3). Compression station (2) comprises only compression machines (EC1, EC2, EC3) of screw machines type with forced lubrication and oil separation system (4, 14).EFFECT: technical result is higher compactness and efficiency.11 cl, 4 dwg
FIELD: chemistry.SUBSTANCE: invention relates to method and device for removing nitrogen from cryogenic hydrocarbon composition. At least a first portion of a cryogenic hydrocarbon composition is fed to a nitrogen stripper column as a first nitrogen stripper feed stream. Nitrogen-stripped liquid is drawn from nitrogen stripper column. Liquid hydrocarbon product stream and process vapour are produced comprising at least a step of depressurising nitrogen-stripped liquid to a flash pressure. Process vapour is compressed, and selectively split into a stripping portion and a non-stripping portion. Stripping vapour stream comprising at least stripping portion is passed into nitrogen stripper column. Vapour fraction is discharged as off gas, comprising a discharge fraction of overhead vapour from nitrogen stripper column and comprising at least bypass portion from non-stripping portion of compressed vapour, which bypasses a stripping section positioned in nitrogen stripper column.EFFECT: technical result is prevention of imbalance in nitrogen stripper column and reduced loss of vapour.17 cl, 2 dwg, 3 tbl
FIELD: system for heating and cooling.SUBSTANCE: present invention relates to compression machines and systems in which air is the working fluid. Method for conversion of low-grade heat energy into high-potential heat energy includes a pneumatic energy generator required to create a closed air thermodynamic cycle, and low-potential heat source. Method includes the following: the pneumatic energy generator is activated by the mechanical energy of low-potential heat source; the generator is a hydraulic unit that transforms the water flow kinetic energy into the hydraulic shock potential energy with a subsequent mechanical work that involves the back-translational movement of the movable parts of walls of the hydraulic unit water conduit and air compression in the compression chambers that are arranged above the water conduit walls of the hydraulic unit that can move in the radial direction.EFFECT: invention enables to convert practically free hydraulic energy of multiple and widely spread low-pressure natural and artificial water courses into the pneumatic power with a subsequent conversion thereof into the high-potential heat energy in a closed thermodynamic cycle, mechanical work of compressed air expansion in an expansion machine and the energy for generation of cold.1 cl, 1 dwg
FIELD: machine building.SUBSTANCE: for cold storage there is heat-insulating cabinet, which is open in front; swing open from center left door and right door, which are open and close front opening; housing of partition, which is attached with possibility of turning and directed inside cold storage space and which closes gap between left door and right door; and condensation preventing heater, which prevents formation of dew condensation on partition housing. Partition housing has front side component, which is located on gap side and where condensation preventing heater is made; rear side component, which is inserted into front side component with possibility of sliding in longitudinal direction and which forms cylindrical housing together with front side component, and heat-insulating material, which is located inside cylindrical housing.EFFECT: use of present invention enables avoiding of refrigerator door partition deformation.5 cl, 6 dwg
FIELD: gas industry.SUBSTANCE: according to one aspect of present invention disclosed are methods of carbon dioxide (CO2) condensation from flow of CO2. Method involves (i) CO2 flow compression and cooling with formation of partially cooled flow of CO2, wherein partially cooled flow of CO2 is cooled to first temperature. Method involves (ii) cooling of partially cooled CO2 flow to second temperature by magnetocaloric cooling with formation of cooled CO2 flow. Method further includes (iii) condensation of at least part of CO2 in cooled flow of CO2 with formation of condensed flow of CO2. Disclosed also carbon dioxide (CO2) condensation systems from CO2 flow.EFFECT: higher efficiency of CO2 condensation process.20 cl, 10 dwg
FIELD: electrical engineering.SUBSTANCE: invention relates to operating on electricity and suitable to dynamic evacuation device. Device includes suitable to evacuation throughout the volume area and a useful area with temperature control thermally isolated from the ambient temperature by means of suitable to evacuation throughout the volume area. Device also comprises a means for active vacuum maintenance, so that pressure in suitable to evacuation throughout the volume area of the device over a period of time permanently resides in a predetermined range. Suitable to evacuation throughout the volume area makes at least 20 vol%. of the total volume, which in the device is engaged by a porous and/or cellular thermoisolating material, and contains at least one organic aerogel and/or an organic xerogel.EFFECT: technical result is reduction of time of creating a specified difference in pressure in the device.16 cl, 2 ex, 3 tbl
FIELD: gas industry.SUBSTANCE: method of gas-dynamic separation relates to low-temperature processing of multicomponent hydrocarbon natural and casinghead gases, in particular, for gas drying by condensation and separation of water and/or hydrocarbon components, and can be used in systems for collecting, preparation and processing of multicomponent hydrocarbon gases. Method of gas-dynamic separation comprises supplying the flow of high pressure multicomponent hydrocarbon gas into the nozzle, its isoenthalpic expansion and cooling while flowing in the nozzle, condensation of components in the cooled gas flow, separation of condensate from gas phase and increasing pressure by braking in the diffuser. Separated hydrocarbon condensate in contact with the initial gas is being partially evaporated and additionally cooled, and the initial gas is being cooled while heat exchange with a coolant additionally cooled by the condensate.EFFECT: technical result is high efficiency of gas-dynamic separation and reduced power consumption.4 cl, 1 dwg
FIELD: gas industry.SUBSTANCE: invention relates to method and system for extracting helium from natural gas in a high pressure process. Method includes steps of, passing a stream of compressed high pressure natural gas through a cooling chamber for condensation of at least part of stream of compressed natural gas to produce a cooled stream, feeding cooled stream into a cryogenic distillation column, extracting helium raw product from upper part of cryogenic distillation column and extracting a stream of liquid product from lower part of cryogenic distillation column. Temperature in cooling chamber is controlled by flash evaporation of first part of liquid product stream in cooling chamber to form a first stream of throttling gas at first pressure and flash evaporation of second part of liquid product stream into cooling chamber to form a second stream of throttling gas at pressure, that is higher than first pressure, and temperature in cooling chamber is controlled by controlling ratio of first part to second part. Wherein flash evaporation is performed by means of Joule-Thomson valve.EFFECT: technical result is producing helium with high concentration.20 cl, 7 dwg, 3 tbl, 3 ex
FIELD: construction.SUBSTANCE: door comprises a leaf and a horizontal sliding system, which is made able to direct the leaf in the opening/closing movement along the longitudinal direction. Sliding system comprises a rail guide and two inclined guides. Leaf is equipped with two rollers, by means of which it is suspended on the sliding system. Rollers contact with rolling surfaces of the rail guide to move along these surfaces during opening/closing movement of the door. Sliding system additionally comprises a pair of inclined guides, each of which forms a roller guide made to interact with appropriate roller to drive the roller and, consequently, the leaf to movement and downwards, and to the door inner side in the direction perpendicular to the leaf plane. Rail guide comprises the first section of the rail guide and the second section of the rail guide, each of which forms the upper rolling surface and the lower rolling surface. Two legs of the rail guide have identical section of a symmetric shape with respect to the horizontal plane of symmetry. Two inclined guides are made as separate components with respect to the two legs of the rail guide and are identical to each other. Two inclined guides have a symmetric configuration with respect to the previously specified plane of symmetry and are fixed: one between the two legs of the rail guide and the other one at the end of one of the two legs of the rail guide.EFFECT: present invention provides using the sliding system both with LH and RH doors.8 cl, 8 dwg
FIELD: heat exchange.SUBSTANCE: heat exchanger (5) comprises a heat-conducting cylindrical container (40), at least one heat-conducting pipe (30), cooling column (90) and cryogenic cooling head (100). Cooling tower and cooling head condensed gaseous helium into liquid helium to maintain the margin of liquid helium in heat-conducting cylindrical container (40). At least one heat-conducting pipe (30) is wound in a circumferential direction around the container (40) and at least one heat exchanger (20) of the coil of superconducting magnet and back. Tube forms a closed circuit, which contains gaseous helium at pressure approximately 104 bar (1,500 psi) at room temperature to 0.75 bar at cryogenic temperatures.EFFECT: disclosed is a highly efficient heat exchanger for cryogen-free magnet for magnetic resonance imaging (MRI).15 cl, 4 dwg
FIELD: household appliances.SUBSTANCE: refrigerating device with inner cavity contains shelf. According to invention, on shelf tray is supported on rollers with possibility of displacement. Shelf edges are enveloped by guide. Besides, invention relates to tray.EFFECT: using this group of inventions enables increasing in ease of refrigerator use.14 cl, 5 dwg
FIELD: household appliances.SUBSTANCE: disclosed is refrigerating device with compressor and cooling chamber. Refrigerating device comprises temperature metering device for refrigerating chamber temperature recording. Refrigerating device is made with possibility of heater switching on at refrigeration chamber temperature drop below preset value.EFFECT: use of invention enables prevention of undesired temperature drop in refrigeration chamber.13 cl, 1 dwg
FIELD: cryogenics.SUBSTANCE: invention relates to cryogenic engineering, in particular to devices for pumping, filling liquid nitrogen, as well as for freezing of vacuum traps. Device to supply coolant into the cold chamber contains a funnel made integral with a flange and a sealing plug with a vertical through hole located between the neck of a Dewar vessel and a seat in the flange. Tube of the funnel located in the vertical hole of the plug is 5 mm longer than the height of the plug, the upper cylindrical part of the funnel is tightly connected with the lower threaded part of a thin-wall thermo-coupling tube, the upper part of which is equipped with a shaped flange with internal thread, the lower part of which is tightly connected to the upper threaded part of the feeder, while the upper threaded part of the shaped flange is connected with the lower thread part of the outlet union, the upper threaded part of which is intended for connection to the cold chamber pipeline. Upper threaded part of the feeder is provided with a vertical cylindrical cavity, in which there is a metal ball, which is a ball valve. On the outer part the funnel is equipped with a tap made integral with the funnel, the inner threaded part of the tap is tightly connected with a safety valve, the device also includes two hooks located on handles of the Dewar vessel provided with thumbscrews connected by a thread joint with two rods made in the form of bars, the upper part of which is made integral with forks of articulated joints with the flange of the funnel, which is made with mating parts of these joints located on the opposite sides.EFFECT: technical result of the invention is creation of a device to supply coolant into the cold chamber with reliable sealing of the Dewar vessel neck and the possibility to connect the cold chamber pipeline with at least one more device with a Dewar vessel for their subsequent use.1 cl, 4 dwg
FIELD: technological processes.SUBSTANCE: invention relates to refrigerating and cryogenic engineering and can be used in air integrated separation in metallurgical and chemical industries. Method comprises fluid flow supply, containing oxygen, krypton, xenon, methane, into oxygen with nitrogen replacement rectification tower, supply of gaseous nitrogen flow into oxygen with nitrogen replacement rectification tower lower part, supply of reflux flow into oxygen with nitrogen replacement rectification tower upper part. Method also involves liquid discharge from oxygen with nitrogen replacement rectification tower still into storage tank, liquid evaporation in storage tank and returning of formed vapors into oxygen with nitrogen replacement rectification tower, producing of krypton and xenon concentrate, extraction of krypton and xenon concentrate from storage tank is performed periodically according to concentration of krypton and/or xenon in storage tank achievement of required value.EFFECT: enabling simplified maintenance of krypton and xenon concentration process equipment.7 cl, 2 dwg, 1 tbl
FIELD: gas industry.SUBSTANCE: invention relates to methods and device for extracting of liquefied natural gas (LNG) stream from hydrocarbon-containing natural gas stream using single closed cycle with mixed refrigerant. Disclosed method initial gas flow is cooled down. Then it is divided in first distillation column to form the first methane-rich lower stream and the first methane-depleted upper stream. Then first methane-rich flow is fractionated in the second distillation column and forming the second methane-rich lower stream and the second methane-depleted upper stream. Further, the second methane-enriched lower stream is extracted.EFFECT: enabling efficient extraction of methane from synthetic gas and other hydrocarbon-containing gases despite the presence of carbon monoxide and hydrogen in these gases.29 cl, 1 dwg, 1 tbl
FIELD: manufacturing technology.SUBSTANCE: present invention relates to a nozzle for spraying liquid, especially water in a snow production cannon. In nozzle for spraying liquid swirl insert (4) has flange (11), through which insert (4) is fixed in axial direction between nut (2) and body (1) through front and rear sealing rings (12, 13). Both rings have a round cross-section. Front sealing ring (12) is mounted in rectangular groove (14) made on face of swirl insert (4) tangent to face of nut (2). Rear sealing ring (13) is mounted in semicircular socket made at inner corner of rear surface of flange (11). From side of body (1) rear sealing ring (13) is encircled by a quadrant-of-a-circle socket having a cone input. In position of full tightening of nut (2) an axial deformation of rear sealing ring (13) is 20-40 % of diameter of its cross-section, dimension of gap between face of flange (11) and face of body (1) is no greater than deformation. Rear sealing ring (13) is made of elastomer having hardness of 60-90 IRHD and its hardness is greater than hardness of front sealing ring (12).EFFECT: reproducibility of axial compression force of specified value with simultaneous preservation of elasticity of connection.6 cl, 8 dwg
FIELD: cryogenics.SUBSTANCE: invention relates to cryogenic engineering, namely to devices for pumping and filling liquid nitrogen, as well as for freezing of vacuum traps. Stationary device for supply of coolant in cold chamber contains at least one stationary Dewar vessel, each of which is equipped with flange and sealing circular gasket, located between end of neck of Dewar vessel and seat in flange, made with two branch pipes, located vertically above neck of Dewar vessel. Both branch pipes are made with internal thread in upper part, one of branches is filling one and it is tightly connected by thread with safety valve, made detachable. Second branch pipe is tightly connected by thread with plug, which is also detachable. Middle part of second branch pipe is made with internal thread and seat for upper threaded part of feeder, which is detachable and located coaxially to second branch pipe. Under plug and above upper threaded part of feeder in second branch pipe removal under ball valve chamber is made. Upper part of chamber is made with internal thread and is tightly connected with lower threaded part of nozzle. Flange of helical joint is attached to handles of Dewar vessel and is equipped with tight current leads connected with wires with heater and liquid nitrogen level sensor placed at distance of 30-50 mm above heater.EFFECT: technical result of proposed technical solution consists in creation of stationary device for supply of coolant in cold chamber with possibility of continuous operation mode (for a long time) with large flow rate of liquid nitrogen (10 l/h) and installation of sensor, which allows to signal in advance on ending of liquid nitrogen in operating Dewar vessel.1 cl, 3 dwg
FIELD: machine building.SUBSTANCE: refrigerator includes a compressor compartment. Compressor compartment is located in lower rear part of cabinet and separated by its front wall from cabinet from front and on sides. In compressor compartment there is a condenser, displaced backwards from front wall. Heat fan is located opposite condenser from rear side of condenser. In lower part of compressor compartment, on its lower surface, in lower part of cavity, located between front wall and condenser, there is a hole for air inlet, which serves for connection of compressor compartment with outer space.EFFECT: invention provides reduced power consumption.9 cl, 6 dwg
FIELD: gas industry.SUBSTANCE: invention relates to processing of natural gas. Multi-stream production for processing natural gas comprises several identical operating process streams and one back-up process stream. Each stream consists of a unit for gas preparation for extraction of commercial products and semi-products, cryogenic unit for extraction of heavy hydrocarbon part of natural gas, starting from ethane, unit for cryogenic separation of light hydrocarbon part. In unit for cryogenic separation of light hydrocarbon part methane is used as a coolant. As a result of development of range of products is provided, consisting of methane fuel gas, ethane, wide fraction of light hydrocarbons, propane, butane, pentane-hexane fraction and helium concentrate. Additionally, production of liquefied natural gas is provided owing to that backup process stream is combined system of pipelines with operating process streams.EFFECT: high efficiency and wider range of products.3 cl, 3 dwg, 2 tbl
FIELD: medical equipment.SUBSTANCE: invention refers to medical equipment, in particular to devices for bleeding stopping. Device comprises source of cold in form of container divided into two chambers with thin partition easily destructible at mechanical action, one of chambers is filled with water, second one contains salt with low cryohydric temperature of dissolution, and on the surface of container in contact with object of exposure, thin layer of elastic material is located. In chamber filled with water spherical elements equipped with pins on the outer surface are arranged in free state, on edges of container holding fixture is made in form of two strips of leather or fabric material, equipped with Hook&Loop clasp.EFFECT: use of invention increases efficiency of bleeding stopping.1 cl, 1 dwg
FIELD: personal use and household items.SUBSTANCE: refrigerator with a touch panel comprises a semi-transparent outer panel, detector for determining the tank change located behind the outer panel, support element for holding a flexible substrate, which includes a detector and pressing element, which is located between the flexible substrate and support element for pressing the detector to the outer panel. Support element has a concave element or a hole, in which there is a light-emitting diode. Pressing element is in contact with the support element in its part and is separated from the support element in the section of the pressing element, which excludes the contact part.EFFECT: using this invention provides high accuracy of detection and ease of use.12 cl, 18 dwg
FIELD: cosmetology.SUBSTANCE: invention relates to devices for cosmetic care, namely to devices for producing ice of the cosmetic compositions at home. Shaper (1) for ice consists of a container (2) and cover (3). Cover (3) consists of handle (6) and cylindrical base (5), while cylindrical base (5) has at least one through hole (10) and outer peripheral edge (7), fades into downward edge (8). On the inner surface of container (2) there is ledge (4) for supporting the edge of cover (3), diameter of the edge cover at the connection with container diameter less than the diameter of the inner surface of container (2) so, that edge of cover (3) enters into inner surface of container (2) to ledge (4).EFFECT: this device allows to simplify the design due to the lack of central elements for the freezing of ice as well as to improve its reliability and to exclude spontaneous opening through the through-holes in the cover for release of excess volume of air.3 cl, 2 dwg
FIELD: technological processes.SUBSTANCE: method and apparatus are used for low-temperature fractionation of a fluid mixture. Fluid mixture is introduced into a separation column. At least a portion of sump liquid from separation column is introduced into a sump evaporator and at least partly evaporated there. At least a portion of vapour produced in sump evaporator is led back into a lower section of separation column. Top product is removed at top of separation column, and a sump product is removed from sump of separation column or from sump evaporator. Sump evaporator is operated by means of inductive heating.EFFECT: invention is aimed at creating a technically simple and reliable evaporator.7 cl, 4 dwg
FIELD: gas industry.SUBSTANCE: invention relates to gas industry, in particular, to liquefaction of natural gas. Cooling machine comprises compressor, input of which is connected with vapour zone of circulation receiver, and output is connected with liquid zone of circulation receiver, which through a circulation pump is connected to input of evaporator. Working medium used is ice-containing suspension of CO2,ice content in which does not exceed 45 %. Bottom of circulation receiver is made with inclination greater than angle providing "sliding" of ice particles, wherein circulation pump is communicated with lower point of bottom of circulation receiver. Supply line is fitted with a first shut-off valve, wherein section of supply line between circulation pump and first shutoff valve is communicated with circulation receiver by a recirculation line, provided with a second shut-off valve.EFFECT: technical result is enabling cooling of natural gas to -50 °C before feeding into cryogenic heat exchanger.1 cl, 1 dwg
FIELD: personal use and household items.SUBSTANCE: refrigerator includes an insulated housing, doors for opening and closing holes, the first working section, which is arranged on the front surface of the door and allows to change the refrigerator operating settings, an operation control section, which switches between the normal mode for operation at the first working section and the waiting mode that prevents operation at the first working section, and the second working section which is arranged on the front surface of the door and allows switching of the modes of operation from normal to waiting mode. When the second working section is in the waiting mode, the section of operation control switches its mode from the waiting mode into the normal mode.EFFECT: refrigerator reduces error operation of the working section which changes the operation settings.11 cl, 12 dwg
FIELD: control units; heating.SUBSTANCE: coolant supply device control unit comprises power controller, which is connected with electric heater, intended for arrangement in Dewar vessel at the distance of 0-10 mm from the bottom. Control key element in power controller is bidirectional thyristor, which first anode is power control unit input terminal and is intended for connection to first output of AC voltage power supply, second anode of bidirectional thyristor is output terminal and connected to first heater output through the first group of detachable connector terminals, which second output is output, intended, through detachable connector second group of terminals, for connection to AC voltage power supply second output. Coolant supply device control unit is equipped with absence of nitrogen light indicator, presented by light-emitting diode, tracking unit and liquid nitrogen level sensor arranged in Dewar vessel at 10-30 mm above the heater. Level sensor first output is connected to tracking unit input. Tracking unit is equipped with absence of nitrogen light indicator output connection and two outputs, positive and negative, for connection to stabilized voltage power supply, the latter of which is connected through detachable connector to level sensor and heater outputs connection point. Light-emitting diode anode is connected with tracking unit light indicator, and cathode is with its negative terminal. Connection of outputs, intended for connection to AC voltage power supply second output and stabilized voltage power supply unit negative output is common for control unit power supply circuit.EFFECT: technical result of disclosed control unit is smooth adjustment of electric heater power output in operating Dewar vessel with help of phase control, absence of liquid nitrogen in Dewar vessel alarm indication, automatic disconnection of heater at the end of liquid nitrogen in operating Dewar vessel.1 cl, 3 dwg
FIELD: gas industry.SUBSTANCE: present invention relates to technology of separate extraction of components of gas mixtures, particularly cleaning fluorine-containing gas mixtures from uranium hexafluoride and hydrogen fluoride, and can be used to improve quality and reduce the costs of gas-separation processes. Device for separate extraction of components comprises a cylindrical vessel with heat insulation with a detachable cover, wherein the side surface of the cylindrical vessel has branch pipes for circulation of a gaseous coolant: at the top - for coolant output, at the bottom-for coolant inlet. Inner surface of the cylindrical vessel is equipped with a gaseous coolant flow guide in the form of a rib arranged along the helical generatrix.EFFECT: use of the invention provides the required degree of purification, considerably simplifies the design and servicing of cleaning plant as compared to the use of liquid nitrogen, provides almost complete elimination of manual labour, excludes hazardous factors during production that exist of using liquid nitrogen.1 cl, 1 dwg
FIELD: furniture.SUBSTANCE: cutting table for food products contains a chamber, a separation panel, a tray cooling module, a tray, an air channel, multiple supporting elements. Method of food products cooling involves a chamber, a tray cooling module, a tray. Method includes the steps of pressure creation in the chamber by cooled air introducing into it, the cooled air passage provided over the upper surface of the tray for food products and the cooled air flowing around the lateral side of the tray through a hole in the side wall of the tray cooling module.EFFECT: using this group of inventions enables prolonged maintenance of trays with food products at a temperature that ensures integrity of the products for a long time.9 cl, 6 dwg
FIELD: gas industry.SUBSTANCE: invention relates to method of heavy hydrocarbons removing from initial natural gas flow. Method includes steps of: cooling of natural gas initial flow; introduction of cooled initial natural gas flow in gas-liquid separation system and separation of cooled initial natural gas flow to heavy hydrocarbon depleted natural gas steam flow, and fluid flow enriched with heavy hydrocarbons; heating heavy hydrocarbon-depleted natural gas steam flow; transmission of at least part of heavy hydrocarbon-depleted natural gas steam flow, through one or several layers of adsorption system for adsorption of heavy hydrocarbons to obtain heavy hydrocarbon-depleted natural gas flow; and cooling at least part of heavy hydrocarbon-depleted natural gas flow to obtain cooled heavy hydrocarbon-depleted natural gas flow. At that, heavy hydrocarbon-depleted natural gas steam flow, is heated, and at least part of heavy hydrocarbon-depleted natural gas flow, is cooled in economizer-heat exchanger by indirect heat exchange between initial heavy hydrocarbon-depleted natural gas steam flow, and at least part of heavy hydrocarbon-depleted natural gas flow. Invention also relates to the device.EFFECT: disclosed invention allows better removal of heavy hydrocarbons from natural gas flows.11 cl, 4 dwg, 2 tbl, 1 ex
FIELD: machine building.SUBSTANCE: invention relates to cooling circuit, gas drying unit and method of cooling circuit controlling. Cooling circuit containing cooling medium, compressor (3), condenser (5) and evaporator (8)-expansion valve (7) combination, wherein evaporators (8) outputs are connected to manifold pipe (9), which is connected to compressor (3), wherein cooling circuit (2) comprises control unit (18), which is connected to temperature sensor (24) and pressure sensor (23), installed in manifold pipe (9), and which is connected to expansion valves (7, 7A, 7B) for their control, wherein control unit (18) is equipped with algorithm for controlling expansion valves (7, 7A, 7B) based on temperature sensor (24) and pressure sensor (23) readings, in order to adjust amount of overheating in manifold pipe (9).EFFECT: higher stability of cooling circuit operation and efficiency.25 cl, 2 dwg
FIELD: medical equipment.SUBSTANCE: invention relates to medical equipment, namely to installations for common air cryotherapy. Installation contains cryogenic chamber of closed type, equipped with a door with a thermal insulation and heat sensor, two-cascade refrigerator with condenser, communicated via coolant supply line with a fan and an evaporator, and power supply and control, control panel of which is installed on the outer surface of the cryogenic chamber, on an inlet into the evaporator the thermostatic expansion valve is installed. At that the evaporator with a fan are mounted in a ceiling cryogenic chamber, which below an evaporator is made of perforated sheet stainless steel. Cryogenic chamber is equipped with a pressure balancing valve with external environment with electric heating, the door of cryogenic chamber is executed completely by transparent and supplied with, including its frame, electric heating, and a control panel is equipped with a touch panel.EFFECT: technical result - expansion of arsenal for equipment of air cryotherapy.1 cl, 2 dwg
FIELD: home appliances.SUBSTANCE: refrigerator includes a glass panel, which is located on front surface of door, working section for input of each function of refrigerator, a storage section arranged behind glass panel and preserving working section, and a transfer element as an example of an element to advance working section forward inside storage section and bringing working section into contact with rear surface of glass panel.EFFECT: use of prevent invention enables to exclude displacement of working section from its position due to vibration of refrigerator.10 cl, 12 dwg
FIELD: medicine.SUBSTANCE: invention relates to medical equipment. Incubator of platelet-containing transfusion media comprises a thermal insulated housing, control system connected with temperature sensors, placed in simulators of polymeric containers with platelet-containing transfusion media in the form of liquid filled polymeric containers, installed at the levels corresponding to the levels of location of platforms to place polymeric containers with platelet-containing transfusion media, connected with blocks of a semiconductor thermopiles and fans and forming a multichannel temperature control system. Incubator also includes labels of radio frequency identification, fixed on a polymeric containers, label readers, printer of labels and scanner of bar codes.EFFECT: invention allows to reduce the unevenness of the temperature by the chamber volume and thereby to ensure high temperature stability of platelet-containing transfusion media inside polymeric containers, provide reliable storage and identification of platelet-containing transfusion media while maintaining their viability and hemostatic activity in extreme conditions and emergency situations regardless of the presence of voltage in the electrical network.3 cl, 1 dwg
FIELD: gas industry.SUBSTANCE: invention relates to methods of preparing hydrocarbon gases for transfer by low-temperature separation and can be used in oil and gas industry. Method of low-temperature gas separation consists in fact that three-stage separation of raw gas is performed to obtain condensate and gas at first stage, which is divided into two parts, one of which is cooled down by third separation stage gas under dephlegmation conditions to produce first gas and condensate flows, another is cooled down by condensates mixture under dephlegmation conditions to produce second gas and condensate flows, then first and second gas flows are mixed with formation of second separation stage gas, and first and second condensate flows are mixed with first separation stage condensate, throttled, mixed with third separation stage condensate and stabilized by indirect heating first separation stage gas second part counterflow to produce stabilized condensate and weathering gas, and second separation stage gas is throttled, mixed with weathering gas and separated at third stage with production of condensate and gas, which is heated and brought out from plant as commercial gas.EFFECT: invention provides higher degree of heavy components extraction and increased output of commercial gas.1 cl, 1 dwg
FIELD: cooling.SUBSTANCE: disclosed is a freezing device capable of effectively freezing an object to be frozen taking into account material or shape of said object using, in process of freezing, freezing of medium. Freezing device provides similar freezing using freezing medium, has a first freezing space and a second freezing space, temperature inside of which can be adjusted. First freezing space comprises sealed bags for freezing medium with freezing medium therein, and in second freezing space freezing medium is contained so that an object to be frozen can be immersed therein.EFFECT: use of present invention provides effective freezing of object, selected depending on material and temperature.3 cl, 3 dwg
FIELD: home appliances.SUBSTANCE: invention relates to refrigerating unit. Plant for cooling of same physical unit by means of single refrigerator/cooler or several coolers/liquefiers arranged in parallel. Refrigerator(s)/liquefier(s) uses working gas of same nature, having low molar mass, i.e. having average value of total molar mass less than 10 g/mol, such as pure gaseous helium. Each refrigerator/liquefier contains compressor station for compression of working gas, refrigerating chamber intended for cooling of working gas at outlet of compressor station, wherein working gas, cooled by each of corresponding refrigerators/liquefiers refrigerating chambers comes in heat exchange with physical unit in order to release coolant to latter. All compressor stations of the refrigerator(s)/liquefier(s) form single compressor station, providing for compression of working gas for each of corresponding separate refrigerators/liquefiers refrigerating chambers. Compressor station comprises compressor machine with lubricated screw type and system for removing oil from working fluid medium leaving compressor machines. Compressor station comprises plurality of compressor machines, which generate several pressure levels for working fluid medium, wherein transition from one level to further higher pressure level is achieved by means of one or more compressor machines, located in series, or by means of compressor machines, arranged in parallel. Compressor station comprises two compressor machines, creating two pressure levels, rising above level of fluid pressure at inlet of compressor station, wherein two main compressor machines, first and second compressor machines are arranged in series and created at its appropriate outlet fluid medium pressure levels, respectively referred to as "low" and "high". Other additional compressor machine is fed at inlet of fluid medium leaving refrigerating chambers under so-called "average" pressure level, which is intermediate between low and high levels. Additional compressor machine also creates "high" pressure level fluid medium at its output, wherein average pressure level is higher than pressure level at inlet to main compressor machines.EFFECT: invention objective is cooling plant, which is less expensive, more compact and efficient.7 cl, 4 dwg
FIELD: technological processes.SUBSTANCE: invention relates to processing natural hydrocarbon gas with variable nitrogen content, which comprises a preparing gas for cryogenic separation, cryogenic gas separation using methane as a coolant in a cryogenic unit, compression of inner and outer process products, fractionation of a heavy hydrocarbon part of natural gas (C2 and more). Method is characterized by the fact that while reducing nitrogen content below design values at the stage of cryogenic gas separation, there is excess refrigerating power, that enables to obtain liquefied methane at this stage, fractionation of a heavy hydrocarbon part is added with a process of LHLD separation into propane, butane and pentane-hexane fractions, cryogenic gas separation is added with fine purification process and helium liquefaction process with producing commercial liquid helium.EFFECT: using the presented method provides extending the range of manufactured products by producing an additional product - liquefied natural gas (methane), as well as a row of hydrocarbons and liquid helium fractions.1 cl, 1 ex, 2 tbl, 3 dwg
FIELD: oil industry.SUBSTANCE: invention relates to processing oil and natural gases. Plant includes a raw material supply pipeline, a gas hydrocarbon mixture compression assembly, at least one membrane separator connected to the consumer, and an outlet of the flow infiltrated through the membrane connected with a pressure control device to the outlet of liquid hydrocarbons released during gas compression and through a low-temperature cooling assembly to the separator. Low-temperature cooling assembly comprises in-series mounted: a recuperative heat exchanger of the gas backflow, a recuperative heat exchanger of the liquid backflow and an additional recuperative heat exchanger, which by one heat exchanging space is connected to the flow outlet from the liquid backflow recuperative heat exchanger, and by the other heat exchanging space the inlet of the additional recuperative heat exchanger is connected via a throttling device to the liquid outlet from the separator.EFFECT: invention is aimed at improving energy efficiency of the plant, as well as at reducing the costs for maintenance.1 cl, 1 dwg
FIELD: cooling or freezing equipment.SUBSTANCE: hybrid refrigeration system includes a first structure, configured to accommodate one or more containments. Further, the first structure has a first step cooling mode that is configured to pre-cool the containments the pre-cooling being performed to reduce a temperature of the containments from a first temperature to a predetermined threshold temperature. Furthermore, the system also includes a second structure, also configured to house the containments. Second structure enables a second step cooling mode that further reduces the temperature of the containments from the predetermined threshold temperature to a final desired temperature. Method of cooling in refrigerating plant comprises the following steps: cooling of one or several elements at the first working mode, determination of preset threshold temperature. Transfer of one or several elements of the first structure in the second structure, cooling of one or several elements as part of the second cooling stage in the second structure. For each mode there is at least one independent power source.EFFECT: using this group of inventions provides energy-saving and fast cooling.19 cl, 6 dwg
FIELD: gas industry.SUBSTANCE: invention relates to methods of field processing of hydrocarbon gases and can be used for preparation of associated oil gas in oil and gas industry. Method for preparation of associated oil gas comprises gas compression and cooling of compressed volume, including under dephlegmation conditions and stabilization of phlegm to get compressed gas and condensate. Gas is mixed with separation gas and compressed at least in two stages. Compressed volume of last stage is cooled using as cooling agents of gas of low-temperature separation and the mixture of reduced condensate of low-temperature separation and a portion of the compressed gas of the last stage. Condensate of the last stage is separated with production of separation gas and propane-butane fraction. Part of compressed gas of one of the initial stages is withdrawn as fuel gas for gas-turbine drives, a part of compressed gas of the last stage is mixed with reduced condensate of low-temperature separation and heated at the last stage with production of fuel gas for communal general purposes. Balance part of compressed gas of the last stage is reduced and separated with production of condensate and gas of low-temperature separation, that is heated at the last stage with production of fuel gas for gas piston drives.EFFECT: technical result is upgraded quality of compressed gas and condensate, as well as enlarging the range of products.1 cl, 1 dwg
FIELD: medical equipment.SUBSTANCE: invention relates to medical devices. Thermoelectric device for thermal cosmetic procedures on individual's face comprises heat contact plate, heat removal system, thermal elements and controlled DC source connected to thermal elements. Heat contact plate is made in form of flexible base from highly heat-conducting material and has shape of mask, and has shape of mask repeating contours of human face, with openings for eyes, nose and mouth. Base consists of assembled segments, assembled so that to enable adjustment of its shape and dimensions in compliance with specific geometrical characteristics of human face. Connection of assembled segments to each other is carried out by any type of latches on their side surface. Projections of side surface of base, that is free from connecting latches, bent at angle of 90° to base and are conjugated with provision of tight thermal contact with exposing junctions of thermoelectric cells. Bearing junctions of the thermoelectric cells contact air cooler. On base surface on side face is thin silicone layer, and on opposite side of over entire area base is in contact with cuff, connected to pressure tube. Base is provided with fastener device.EFFECT: higher accuracy of device working surface adjustment in accordance with certain structure and geometry of face.1 cl, 1 dwg
FIELD: electronics.SUBSTANCE: invention relates to electronics and can be used for temperature control. Electronic device to control temperature, cooler, using, heater, using it, and control method therefore are provided. Electronic control device comprises temperature thermoelectric module, including first metal element, having one end in contact with object, and second metal element, having one end connected to other end of first metal element, voltage applied to one end of first metal element and other end of second metal element; voltage supply unit supplying first voltage or variable voltage with range from second voltage to third voltage, in thermoelectric module; and controller which controls voltage supplied in thermoelectric module voltage by power supply unit, according to difference between temperature of object or first metal element and final temperature.EFFECT: technical result is increased efficiency of temperature control.25 cl, 13 dwg
FIELD: gas industry.
SUBSTANCE: invention relates to methods of preparing hydrocarbon gases. Method for preparation of associated oil gas comprises a gas compression, liquid hydrocarbons cooling with stabilization gas under dephlegmation conditions to produce compressed gas and reflux. Reflux is stabilized by heating liquid hydrocarbons to produce condensate and stabilization gas. Gas is premixed with weathering gas. Condensate is additionally separated to produce weathering gas and condensate. Compressed gas is additionally compressed and cooled under dephlegmation conditions to produce propane-butane fraction and conditioned gas. Temperature of cooling liquid hydrocarbons is set depending on required standards of propane and butane content in the propane-butane fraction. Before one of the compression stages gas drying and/or its cleaning from hydrogen sulphide and mercaptans are performed.
EFFECT: technical result is higher conditioned gas yield, producing condensate of standard quality, as well as expanded range of products.
1 cl, 1 dwg
FIELD: home appliances.
SUBSTANCE: present invention relates to cooling and/or freezing unit, in particular to cooling unit containing at least two chambers, which can be closed by only one door, and to cooling system containing at least one compressor, at least one condenser, at least one evaporator, at least one fan for air circulation in said chambers, and at least one device to control coolant flow. At distance from rear wall of said unit there is vertical partition passing through said chambers. Evaporators are arranged vertically relative to said unit, one above other in gap between rear wall and said wall. Each chamber is provided with at least one shelf and/or at least one sliding drawer for reception and storage of products.
EFFECT: invention provides effective control of temperature in corresponding chamber.
9 cl, 2 dwg
FIELD: oil and gas industry.
SUBSTANCE: invention relates to methods of preparing hydrocarbon gases. Method for preparation of associated petroleum gas involves low-temperature gas separation due to its successive cooling with prepared gas and third-party coolant with condensation of reflux. Gas is first mixed with stabilisation gas, compressed with cooling of liquid hydrocarbons under dephlegmation conditions due to cooling by third-party coolant to produce a first condensate, then compressed under dephlegmation conditions due to cooling by third-party coolant and low-temperature gas separation to obtain a second condensate, mixed with weathering gas, reduced and separated with production of gas and condensate. Second condensate is reduced and separated with production of weathering gas and weathering condensate. Weathering condensate is mixed with first condensate and heated condensate of low-temperature separation. Obtained mixture is stabilised to obtain a stable condensate and stabilisation gas using low-temperature separation condensate as coolant, as well as external coolant and heat carrier.
EFFECT: higher yield, stable condensate and preparation of associated petroleum gas of low pressure.
1 cl, 1 dwg
SUBSTANCE: method of producing hydrogen and/or electric power includes creation of system suitable for producing hydrogen and/or electric energy, comprising at least a reforming device adapted to receive raw natural gas and reforming natural gas to obtain hydrogen-containing gas; a device for generating electric power, adapted to receive at least a portion of hydrogen contained in hydrogen-containing gas and reforming hydrogen for electric power generation; and a device for liquefaction of hydrogen, adapted to receive a portion of hydrogen contained in hydrogen-containing gas and hydrogen liquefaction to produce liquid hydrogen, wherein during operation in a device for liquefaction of hydrogen is supplied at least a portion of electric power generated in device for electric power generation, and during operation of system is discharged liquid hydrogen and/or electric energy; during first period natural gas supplied to gas reforming device and system operates to discharge liquid hydrogen; and during second period natural gas supplied to gas reforming device and system operates to discharge power.
EFFECT: disclosed is a method for production of liquid hydrogen and electric power.
22 cl, 1 dwg
FIELD: oil and gas industry.
SUBSTANCE: group of inventions relates to oil and gas industries and is used in system of field processing of gas at low consumption of supplied gas. Device for low-temperature gas preparation comprises a low-temperature separator, including a mist separating device with a gas outlet for dried and stripped gas, gas-gas ejector with inlet for high-pressure gas and low-pressure input, connected by its output to input of low-temperature separator, device is characterised by that gas outlet of low-temperature separator is additionally connected to low-pressure inlet of gas-gas ejector to form a circulation circuit, in circulation loop there is a gas flow rate control valve and on low-pressure gas-gas ejector inlet there is an extra gas-gas ejector with low-pressure inlet for low pressure gas. Also disclosed is a method for low-temperature gas preparation.
EFFECT: technical result is provision of efficient operation of low temperature separator with consumption of supplied gas below range of effective operation of separator by increasing to a preset value approach speed of gas to mist separator device.
2 cl, 2 dwg
FIELD: personal and household items; refrigerators.SUBSTANCE: group of inventions relates to domestic refrigerating unit, comprising compressor, evaporator, placed higher along direction of circulation, and evaporator installed below in direction of circulation, series-connected with compressor. Also contains first storage compartment, cooled by evaporator located above in direction of circulation, and second compartment for storage cooled by evaporator located below in direction of circulation, and control unit configured to compressor control in normal mode of cooling based on comparison of temperature. Temperature is measured by temperature sensor in one of compartments for storage with first specified value, and with possibility of switching performed by user, from normal cooling mode to intensive cooling mode. Intensive cooling mode includes one stage of continuous operation of compressor, during which control of operation of compressor is provided by control unit on the basis of comparison of measured temperature to second specified value, which is lower than first specified value, and stage of short-term operation of compressor, during which amount of coolant pumped by compressor between switching on and off is less than volume of liquid coolant, which both evaporators are able to accommodate.EFFECT: group of inventions enables fast and efficient cooling of recently loaded products.11 cl, 3 dwg
FIELD: chemistry.SUBSTANCE: invention relates to chemical industry and can be used for distribution of liquid flow in exchange columns for processes of heat or mass transfer in process of cryogenic air separation. Device includes collector (61) for collection of liquid flow; mixer (64) below collector (61) for receiving and mixing collected liquid; first pipeline (66) for reception and transmission of a portion of liquid from first sector of collector (61) in first zone of mixer (64) and second pipeline (68) for reception and transmission down a portion of liquid from second sector of collector (61) to second zone of mixer (64). Geometric centre of first sector of collector (61) is offset in circumferential direction relative to geometric centre of first mixer (64) and/or geometric centre of second sector of collector (61) is offset in circumferential direction relative to geometric centre of second mixer (64). First and second sectors are geometric portions of area of upper surface of collector (61), and first and second zones represent geometric portions of volume of mixer (64).EFFECT: invention enables to achieve high efficiency of separation.20 cl, 25 dwg, 2 ex