48results about "Boiler absorbers" patented technology

The invention discloses a generator-condenser heat exchange coupled automatic cascade absorption type refrigeration cycle system. On the basis of an automatic cascade absorption refrigeration cycle, a non-azeotropic mixed refrigerant and an absorbent are adopted as working media. In the condenser, the mixed refrigerant can release a large amount of temperature slippage heat, the heat is effectively recycled by establishing a coupling heat exchange process between the generator and the condenser, the heating capacity of the generator in the system is reduced, and therefore the COP of circulation is improved. In addition, the system can adjust the refrigeration temperature by replacing the mixed refrigerant, the refrigeration temperature range can be from the room temperature to-100 DEG C or below, and the system has the advantage of being flexible in refrigeration temperature adjustment. Through reasonable arrangement of the generator-condenser coupling heat exchanger, the self-cascade absorption type refrigeration cycle configuration is optimized, the refrigeration efficiency is remarkably improved, the advantages of energy conservation and environmental protection are achieved, the wide refrigeration temperature adjusting range is provided, and the self-cascade absorption type refrigeration cycle system is suitable for various application scenes.

The invention provides a jet-absorption heat pump, and belongs to the technical field of refrigeration and heat pumps. The absorber is provided with a dilute solution pipeline which is communicated with the generator through a solution pump and a solution heat exchanger, the generator is further provided with a concentrated solution pipeline which is communicated with the absorber through the solution heat exchanger, the generator is further provided with a refrigerant steam channel which is communicated with the condenser, and the condenser is further provided with a condensate water channel which is communicated with the outside. The condenser communicates with the evaporator through a refrigerant liquid pipeline via a throttling valve, the evaporator communicates with a low-pressure steam inlet of the ejector through a refrigerant steam channel, a working steam channel communicates with a high-pressure steam inlet of the ejector outside, the ejector communicates with the absorber through a medium-pressure refrigerant steam channel, and the generator communicates with the outside through a high-temperature heat medium channel. The absorber and the condenser are communicated with the outside through heated medium channels respectively, the evaporator is communicated with the outside through a low-temperature heat medium channel, and the jet-absorption heat pump is formed.

The application relates to an absorption type cold and heat combined supply system and a circulating working medium concentration adjusting method thereof, the absorption type cold and heat combined supply system comprising an end user unit, a cold and heat combined supply unit connected to the end user unit, and a heating unit and a concentration adjusting unit connected to the cold and heat combined supply unit, the absorption type cold and heat combined supply system realizing small-range adjustment of the circulating working medium concentration of the whole system by adjusting the liquid level height of a gas-liquid separator of the cold and heat combined supply unit, realizing large-range adjustment of the circulating working medium concentration of the whole system and maintaining the charging amount of the circulating working medium in the system by adjusting the liquid level height of a first storage tank and a second storage tank of the concentration adjusting unit, giving consideration to the optimization adjustment of the charging amount of the circulating working medium in the system and the circulating working medium concentration of the system, and ensuring that the system can continuously and efficiently and stably operate under different working conditions.

The application discloses a two-stage first-type lithium bromide absorption heat pump machine with two-stage evaporators connected at the bottom, which comprises a condenser, a secondary generator, a high-pressure stage secondary absorber, a high-pressure stage evaporator, a low-pressure stage secondary absorber, a low-pressure stage evaporator, a primary generator, a primary absorber, a primary heat exchanger, a secondary heat exchanger and pipelines arranged between the components. The main feature of the machine set is that the low-temperature waste heat source is divided into two sections, the high-temperature coolant water enters the high-pressure stage evaporator after flashing, then enters the high-pressure stage evaporator liquid tank, and the amount of coolant water used in the high-pressure stage evaporator and the low-pressure stage evaporator is automatically distributed through the coolant water connecting pipe. After being divided into sections, the concentration difference of the solution circulation is increased, the heat exchange temperature difference is increased, the heat exchange area is reduced, the material cost of the machine set is reduced, the equipment investment cost is reduced, the machine set is beautiful in appearance, compact in structure, high in performance coefficient, more waste heat can be recycled, and the comprehensive utilization rate of energy is improved.

A novel entrochemical array (ECA)-based regenerator system incorporates two or more entrochemical amplifiers (EAs) connected to each other in a unique "ring" configuration to provide spontaneous regeneration of highly deliquescent salts and / or liquid draw solutions using an environmental heat as the primary heat source. The novel "ring" configuration of the EAs in the ECA-based regenerator accommodates an energy-efficient and environmentally-friendly heat circulation around the ECA, and removes a solvent from a draw solution to restore a higher concentration state of the draw solution. The efficient and environmentally-friendly regeneration of the draw solution from the novel ECA-based ring regenerator enables low-cost and robust operations and maintenance of sorption-based energy systems. Furthermore, a uniquely-novel aspect of an ECA-based ring regenerator is its ability to use lower concentration solutions to regenerate higher concentration solutions, or to use a single solution to concentrate a quantity of itself spontaneously.

The utility model relates to the technical field of solid-state refrigeration, and provides a continuous refrigeration system based on an ionic heat effect, which comprises an electrodialysis device and a secondary refrigerant circulation loop, the electrodialysis device comprises a dialysis tank, a direct-current power supply, an electrode, a cation exchange membrane and an anion exchange membrane, the output polarity of the direct-current power supply is adjustable, and the secondary refrigerant circulation loop is connected with the electrode. A solvent and a salt working substance pair are arranged in the dialysis tank; the secondary refrigerant circulation loop comprises a heat exchange coil pipe, a first heat exchanger, a second heat exchanger and a valve group, the heat exchange coil pipe is arranged between the cation exchange membrane and the anion exchange membrane, the two ends of the heat exchange coil pipe are connected with a first connector and a fourth connector of the valve group, and the first heat exchanger is connected with a second connector and a fifth connector of the valve group; the second heat exchanger is connected with a third interface and a sixth interface of the valve group; and the valve group controls the communication condition of each interface. Thus, the secondary refrigerant is used for heat transfer so as to refrigerate at the first heat exchanger or the second heat exchanger, circulating conveying of the solvent and the salt working medium pair is avoided, and solid-phase conveying of the solvent is avoided.

This invention discloses a low-temperature district heating and cooling system based on multi-heat flux reconfiguration theory. In the heat source station, the steam outlet of the first waste heat boiler is connected to both the working fluid inlet and the process steam pipe inlet of a medium-pressure ejector. The mixed fluid outlet of the medium-pressure ejector is connected to the working fluid inlet of a medium-low pressure ejector. The mixed fluid outlet of the medium-low pressure ejector is connected to a first branch point. The medium-pressure steam at the first branch point is divided into three paths: the first path outlet is connected to both the ejector fluid inlet of the medium-pressure ejector and the working fluid inlet of the low-pressure ejector; the second path outlet is connected to the steam-side inlet of the medium-low pressure steam-water heat exchanger; and the third path outlet is connected to the steam inlet of a single-effect lithium bromide absorption heat pump generator. The mixed fluid outlet of the low-pressure ejector is connected to the ejector fluid inlet of the medium-low pressure ejector. This invention employs multiple ejectors in series, a single-effect lithium bromide absorption heat pump, and a steam flash tank to achieve multi-grade, multi-heat flux reconfiguration optimization and efficient comprehensive utilization.

The invention relates to an adsorption module (1) for an adsorption heat pump (20). The adsorption module (1) comprises a working chamber (3) which is divided into a first subchamber and a second subchamber fluidically separated from the first subchamber (7a), wherein a working medium (A) is arranged in the working chamber (3). The adsorption module (1) further comprises a first fluid path (4a) through which a first temperature control fluid (F1) can flow, and a second fluid path (4b) through which a second temperature control fluid (F2) can flow, wherein the working chamber (3) is fluidically separated from the two fluid paths (4a, 4b). Furthermore, the adsorption module (1) comprises a fluid line system (8) by means of which the first subchamber (7a) fluidically communicates with the second subchamber (7b) and by means of which a media flow of working medium (M) can be generated between the two subchambers (7a, 7b).

The invention relates to a heat exchanger for arrangement in a pressure vessel having a granular adsorbent material of an adsorption dryer provided for drying a compressed gas, in particular compressed air, and for transferring heat of a heat transfer medium, in particular oil, to the granular adsorbent material, the heat exchanger has a heating section for transferring heat from the heat transfer medium to the adsorbent material, and the heating section comprises a plurality of medium lines (1202, 1402), each having at least one medium channel, for guiding the heat transfer medium in the medium lines, the heating section substantially having a cylindrical shape with a longitudinal axis, the medium lines are arranged in a plurality of line planes in the direction of the longitudinal axis, the medium lines are designed and connected to one another in such a way that the heat transfer medium can flow through the medium lines together in parallel and / or in series, and adjacent line planes and / or the medium lines of adjacent line planes are spaced apart from one another in the direction of the longitudinal axis, the medium line is formed as an extruded profile.

Provided is a novel adsorption cooling device using the adsorption of a gas by means of an adsorbent and the release of the adsorbed gas. The adsorption cooling device comprises: an adsorbent that adsorbs an adsorption gas while releasing heat and releases the adsorption gas while absorbing heat; an adsorption gas supply part that supplies the adsorption gas to the adsorbent; a liquefied gas supply part that supplies a liquefied gas; and a heat exchange part for heat exchange between the adsorbent and the liquefied gas. The adsorbent adsorbs the adsorption gas while cooled by the liquefied gas, and cools a to-be-cooled object by absorbing the heat when releasing the adsorption gas.

The invention provides a fourth type injection-absorption heat pump, and belongs to the technical field of heat pumps. The low-temperature generator is communicated with the high-temperature generator through the solution pump, the solution heat exchanger and the second solution heat exchanger, the high-temperature generator is communicated with the absorber through the second solution heat exchanger, the absorber is communicated with the low-temperature generator through the solution heat exchanger, the low-temperature generator is communicated with the low-temperature condenser, and the low-temperature condenser is communicated with the evaporator through the low-pressure pump. The high-temperature generator is communicated with the high-temperature condenser, the high-temperature condenser is communicated with the evaporator through the low-temperature generator and the throttling valve, the high-temperature condenser is communicated with the steam generator through the high-pressure pump, the steam generator is communicated with a high-pressure steam inlet of the ejector, the evaporator is communicated with a low-pressure steam inlet of the ejector, and the ejector is communicated with the absorber. And the absorber and the high-temperature condenser are provided with heated medium channels, the low-temperature condenser is provided with a cooling medium channel, and the evaporator is provided with a low-temperature heat medium pipeline to be communicated with the outside, so that the fourth-type jet-absorption heat pump is formed.

The present invention provides a high-temperature generator, its control method and a refrigerator. The high-temperature generator is used for a double-effect absorption refrigerator. The high-temperature generator includes a cylinder body, a liquid distribution device, and a number of heat transfer tube groups. A heat source flows inside the heat transfer tube groups, and the heat source is steam or high-temperature water above 100 °C. The solution enters the cylinder body from the liquid distribution device, and the solution can be sprayed or dripped onto the outer walls of the heat transfer tube groups to evaporate and concentrate. With the above structure, the solution flowing into the high-temperature generator can be sprayed or dripped onto the outer walls of the heat transfer tube groups through the liquid distribution device, and a liquid film is formed on the outer walls of the heat transfer tube groups to carry out efficient heat exchange, evaporation and concentration. The overall evaporation and concentration efficiency is relatively high, and the energy-saving performance is good; moreover, the solution accumulated in the high-temperature generator is less, and the overall weight of the refrigerator is smaller, which is beneficial to the handling and operation of the refrigerator. Even in the event of an accident such as heat source leakage during shutdown, since the solution is less and the reflux is faster, crystallization is not likely to occur.

The invention provides a third-class jet-absorption heat pump, and belongs to the technical field of heat pumps. The low-temperature generator is communicated with the high-temperature generator through the solution pump, the solution heat exchanger and the second solution heat exchanger, the high-temperature generator is communicated with the absorber through the second solution heat exchanger, the absorber is communicated with the low-temperature generator through the solution heat exchanger, the low-temperature generator is communicated with the low-temperature condenser, and the low-temperature condenser is communicated with the evaporator through the low-pressure pump. The high-temperature condenser is communicated with the evaporator through a throttling valve, the evaporator is communicated with the absorber, the high-temperature condenser is communicated with the steam generator through a high-pressure pump, and the steam generator is communicated with a high-pressure steam inlet of the ejector. The high-temperature generator and the steam generator are communicated with the outside through high-temperature heat medium channels, the absorber and the high-temperature condenser are communicated with the outside through heated medium channels, the low-temperature condenser is communicated with the outside through a cooling medium channel, and the low-temperature generator and the evaporator are communicated with the outside through low-temperature heat medium channels.

The utility model relates to capsule production field discloses a solution dehumidification air conditioning system for capsule drying process, including heat pump unit, dehumidification unit and solution regeneration unit, heat pump unit includes first compressor, first condenser, first expansion valve and first evaporator, dehumidification unit includes heat recovery cooler, heat recovery heater, and the one side of heat recovery cooler is equipped with precooling dehumidifier and solution dehumidification tower, and solution dehumidification tower bottom is connected with dehumidification pump, solution regeneration unit includes solution regeneration tower, second condenser, second evaporator, second expansion valve and second compressor, the utility model discloses system only needs electric energy to satisfy operation, need not external hot water or steam, can satisfy dehumidification demand with cheap calcium chloride solution, heat pump unit operation condition energy efficiency is high, and system energy consumption is low, and the required air volume of regenerative fresh air is small, and regenerative energy consumption is low.

The invention provides a jet-absorption heat pump, and belongs to the technical field of refrigeration and heat pumps. The absorber is provided with a dilute solution pipeline which is communicated with the generator through a solution pump and a solution heat exchanger, the generator is further provided with a concentrated solution pipeline which is communicated with the absorber through the solution heat exchanger, the generator is further provided with a refrigerant steam channel which is communicated with the condenser, and the condenser is further provided with a refrigerant liquid pipeline which is communicated with the evaporator through a throttling valve. The generator communicates with a high-pressure steam inlet of the ejector through a refrigerant steam channel, the evaporator communicates with a low-pressure steam inlet of the ejector through a refrigerant steam channel, the ejector communicates with the absorber through a medium-pressure refrigerant steam channel, and the generator communicates with the outside through a high-temperature heat medium channel. The absorber and the condenser are communicated with the outside through heated medium channels respectively, the evaporator is communicated with the outside through a low-temperature heat medium channel, and the jet-absorption heat pump is formed.

The present invention belongs to the field of energy conservation and environmental protection, and specifically discloses a system and an operating method for deeply recovering water and heat from flue gas. The system for deeply recovering water and heat from flue gas comprises a second desulfurization tower, an absorption tower, a first flash tank, a second flash tank, a first absorption heat pump and a second absorption heat pump; the low-temperature flue gas outlet of the second desulfurization tower is connected to the low-temperature flue gas inlet of the absorption tower, the outlet of the absorption tower is connected to the inlet of the first flash tank, the negative-pressure steam outlet of the first flash tank is connected to the negative-pressure steam inlet of the first absorption heat pump, the outlet of the first flash tank is connected to the inlet of the second flash tank, and the negative-pressure steam outlet of the second flash tank is connected to the negative-pressure steam inlet of the second absorption heat pump; the system achieves the purpose of fully recovering moisture and heat in low-temperature flue gas with low moisture content, greatly improves the water and heat recovery rate, and ultimately significantly reduces the temperature and water vapor content of the low-temperature dry flue gas discharged into the atmosphere, thereby achieving the purpose of eliminating white smoke plumes.

The application provides an evaporator condensate water recycling system, a control method and an air conditioner. The system comprises a condensate water recycling container for receiving condensate water generated by an evaporator; a system heat exchanger which is coupled to a first component to be condensed in heat exchange mode, and a water outlet of the condensate water recycling container is in communication with an inlet of the system heat exchanger; an absorber which is in communication with an outlet of the system heat exchanger; a generator which is in communication with the absorber, and an absorbent working medium solution in the absorber can enter the generator under the pumping action of a water pump, and after throttling at a first throttling device, the absorbent working medium solution flows back to the absorber; and a second component for heating the absorbent working medium solution in the generator so that water in the absorbent working medium solution is discharged from the generator in a gaseous state. The application realizes efficient utilization of the condensate water cooling capacity and finally discharges to the external environment in a gaseous state, without causing pollution to the external environment.

According to the opening and closing integrated double-effect heat pump system for flue gas waste heat recovery, on one hand, the temperature of a solution entering an open type absorber is reduced through a closed type evaporation absorber, and heat supply network return water is provided for a heat user after sequentially passing through a water heat exchanger, an absorber A and a condenser C; on one hand, the heat in the heat pump system is fully absorbed, and meanwhile, the heat of the second solution is further absorbed through the water heat exchanger, so that the exhaust gas temperature can be obviously reduced, and the flue gas waste heat recovery efficiency is improved; and steam generated by heating and concentration is used as an external heat source of the regenerator G to perform regeneration and concentration on the second solution, so that double-effect utilization is realized, and the utilization efficiency of a high-temperature heat source is improved.

The invention belongs to the technical field of absorption refrigeration, and particularly relates to a composite type solution heat exchanger with a precooler and a refrigeration system and process thereof.The composite type precooling heat exchanger comprises a shell, a GAX heat exchanger and the precooler, the GAX heat exchanger and the precooler are both horizontally arranged in the shell, a partition plate is fixedly installed in the shell, and the GAX heat exchanger and the precooler are arranged in the shell; the partition plate is used for separating the GAX heat exchanger and the precooler, and a through opening is formed between the top of the partition plate and the inner wall of the shell. The absorption type refrigerating system comprises a generator, a condenser, an evaporator, an absorber, a lean and rich liquid heat exchanger and a GVX heat exchanger, and the lean and rich liquid heat exchanger utilizes the composite type pre-cooling heat exchanger. By arranging the shell structure, the problem of refrigerant leakage of the rich and lean liquid heat exchanger can be well solved, meanwhile, the precooler is arranged in the shell, the precooler can be cooled by means of the liquid refrigerant in the shell, the refrigerant leaked from the rich and lean liquid heat exchanger can be absorbed, and then the overall safety of the device is improved.

The invention relates to a method for removing a working medium from an adsorption module, comprising the following measures: a) providing an adsorption module (2) having a working space (3) in which a working medium (M), in particular methanol, is arranged, and providing a working medium receiving system (10) having a condensation device (11) for receiving and condensing the working medium (M) from the adsorption module (2), b) evacuating the condensation device (11), c) Fluidically connecting the evacuated condensation device (11) of the working medium receiving system (10) to the working space (3) of the adsorption module, so that due to the pressure difference existing between the working space (3) and the working medium receiving system (10), vaporous working medium flows from the working space into the condensation device (11) and condenses there.

The application belongs to the technical field of absorption refrigeration, and particularly relates to a composite solution heat exchanger with a precooler and a refrigeration system and process thereof. The composite precooled heat exchanger comprises a shell, a GAX heat exchanger and a precooler. The GAX heat exchanger and the precooler are both horizontally arranged in the shell. A partition plate is fixedly arranged in the shell to separate the GAX heat exchanger and the precooler. A through opening is arranged between the top of the partition plate and the inner wall of the shell. The absorption refrigeration system comprises a generator, a condenser, an evaporator, an absorber, a lean-rich liquid heat exchanger and a GVX heat exchanger. The lean-rich liquid heat exchanger utilizes the composite precooled heat exchanger. The shell structure can solve the problem of refrigerant leakage of the lean-rich liquid heat exchanger. The precooler is arranged in the shell, and the liquid refrigerant in the shell can be used to cool the precooler. The leaked refrigerant of the lean-rich liquid heat exchanger can be absorbed, and the overall safety of the device is improved.

The invention belongs to the technical field of absorption refrigeration, and particularly relates to a generator with an efficient defoaming structure and an absorption refrigeration system.The generator comprises a generator body, and the defoaming structure is arranged above the generator body; the defoaming structure comprises a shell and a tube box, the tube box and the shell are fixedly connected through a connecting flange, and a vertical sieve plate module is fixedly connected in the shell and used for carrying out gas-liquid separation on a high-pressure gaseous refrigerant; a high-pressure gaseous refrigerant outlet is formed in the top of the shell, and a plurality of high-pressure gaseous refrigerant inlets are formed in the bottom of the shell; the absorption refrigeration system comprises an absorber, an evaporator, a condenser, a precooler, a GAX heat exchanger and a GVX heat exchanger, and further comprises the generator with the efficient defoaming structure. By arranging the vertical sieve plate type defoaming structure, a high-pressure gaseous refrigerant generated by the generator can be quickly and comprehensively subjected to defoaming treatment, so that the overall refrigeration efficiency of the refrigeration system is effectively improved.

The application discloses a generator-condenser heat exchange coupled self-recovery cascade absorption refrigeration cycle system. Based on the self-recovery cascade absorption refrigeration cycle, non-azeotropic mixed refrigerant and absorbent are used as working medium. In the condenser, the mixed refrigerant releases a large amount of temperature glide heat, and the heat is effectively recovered by establishing a coupling heat exchange process between the generator and the condenser, thereby reducing the heating amount of the generator in the system, and improving the COP of the cycle. In addition, the system can also adjust the refrigeration temperature by replacing the mixed refrigerant, and the refrigeration temperature range can be from near room temperature to below-100 DEG C, which has the characteristics of flexible refrigeration temperature adjustment. The application optimizes the self-recovery cascade absorption refrigeration cycle configuration by reasonably arranging the generator-condenser coupling heat exchanger, realizes the significant improvement of the refrigeration efficiency, has the advantages of energy saving and environmental protection, and provides a wide refrigeration temperature adjustment range, which is suitable for various application scenarios.

The present invention relates to a heat exchanger for transferring heat from a heat transfer medium, particularly oil, to the granular adsorbent material, which is placed in a pressure vessel having granular adsorbent material in an adsorption dryer provided for drying compressed gas, particularly compressed air. The heat exchanger has a heating section for transferring heat from the heat transfer medium to the adsorbent material, and the heating section includes a plurality of medium conduits (1202, 1402) each having at least one medium tube for guiding the heat transfer medium in the medium conduits, the heating section has a substantially cylindrical shape having a longitudinal axis, the medium conduits are arranged in a plurality of conduit planes in the direction of the longitudinal axis, the medium conduits are connected to each other and configured so that the heat transfer medium flows through the medium conduits together in parallel and / or in series, the medium conduits in adjacent conduit planes and / or adjacent conduit planes are spaced apart from each other in the direction of the longitudinal axis, and the medium conduits are configured as extruded profiles.

This invention belongs to the field of absorption refrigeration technology, specifically a generator with a high-efficiency demisting structure and its absorption refrigeration system. It includes a generator body with a demisting structure on top. The demisting structure comprises a shell and a tube box, which are fixedly connected by a connecting flange. A vertical sieve plate module is fixedly connected inside the shell for gas-liquid separation of the high-pressure gaseous refrigerant. The top of the shell has a high-pressure gaseous refrigerant outlet, and the bottom of the shell has multiple high-pressure gaseous refrigerant inlets. The absorption refrigeration system includes an absorber, evaporator, condenser, precooler, GAX heat exchanger, and GVX heat exchanger, and also includes the aforementioned generator with a high-efficiency demisting structure. By setting up a vertical sieve plate demisting structure, this invention can quickly and comprehensively demistate the high-pressure gaseous refrigerant generated by the generator, thereby effectively improving the overall refrigeration efficiency of the refrigeration system.

The invention relates to a heat pump module for extracting heat from ambient air, preferably for heating an interior space of a building, comprising a first heat exchanger (5) and a blower (6) by means of which a volume flow (3) of the ambient air can be conveyed through the first heat exchanger (5).

The invention relates to an adsorption refrigeration machine (1) comprising a process chamber (2) which can be supplied with refrigerant and an adsorber (4) which is accommodated in the process chamber (2), wherein the adsorber (4) comprises a tube (5) for a heat transfer medium to flow through and an adsorbent (8) which encases the tube, wherein refrigerant can be adsorbed or desorbed by the adsorbent (8) in accordance with the physical state of the refrigerant in the process chamber (2), wherein the adsorbent (8) comprises casing elements (9) arranged in a row in the longitudinal extent (6) of the tube (5), wherein each casing element (9) has an adsorption material (13) with a predominant proportion of metal-organic framework compounds.

This application relates to the field of waste heat utilization technology and discloses a refrigeration system utilizing low-temperature waste heat. The system includes a first generator with a first waste heat medium inlet pipe and an outlet pipe, a second absorber with a second circulating water inlet pipe and an outlet pipe, a second generator with a second waste heat medium inlet pipe and an outlet pipe, and a matching condenser. The first generator is connected to the second absorber via a first refrigerant outlet pipe to transport gaseous refrigerant desorbed from the rich liquid. A second lean liquid return pipe and a second rich liquid return pipe are provided between the second generator and the second absorber, respectively used to return lean liquid from the second generator to the second absorber and to send rich liquid from the second absorber into the second generator. The second generator also transports gaseous refrigerant desorbed from the rich liquid to the condenser via the second refrigerant outlet pipe. This system can reduce the temperature required for waste heat utilization, achieving more efficient utilization of low-grade waste heat.

The invention relates to the technical field of solid-state refrigeration, and provides a continuous refrigeration system and a refrigeration method.The refrigeration system comprises an electrodialysis device and a secondary refrigerant circulation loop, the electrodialysis device comprises a dialysis tank, a direct-current power source, an electrode, a cation exchange membrane and an anion exchange membrane, the output polarity of the direct-current power source is adjustable, and the secondary refrigerant circulation loop is connected with the direct-current power source. A solvent and a salt working substance pair are arranged in the dialysis tank; the secondary refrigerant circulation loop comprises a heat exchange coil, a first heat exchanger, a second heat exchanger and a valve bank, the heat exchange coil is arranged between the cation exchange membrane and the anion exchange membrane, the two ends of the heat exchange coil are connected with a first connector and a fourth connector of the valve bank, and the first heat exchanger is connected with a second connector and a fifth connector of the valve bank; the second heat exchanger is connected with a third interface and a sixth interface of the valve group; and the valve group controls the communication condition of each interface. Thus, the secondary refrigerant is used for heat transfer so as to refrigerate at the first heat exchanger or the second heat exchanger, circulating conveying of the solvent and the salt working medium pair is avoided, and solid-phase conveying of the solvent is avoided.

The invention relates to an adsorption refrigeration system (1) comprising a heat exchanger unit (7a, 7b) orAdsorber-desorber heat exchanger unit with adsorbent that can be accommodated therein, an evaporator heat exchanger unit (9), a condenser heat exchanger unit (8) and a central housing (2, 2a; 2b), wherein the system components heat exchanger unit (7a, 7b), evaporator heat exchanger unit (9) and condenser heat exchanger unit (8) are each coupled to the central housing in a vacuum-tight manner so that refrigerant can be exchanged between the central housing and the system components, wherein the central housing has a plurality of chambers (K1 to Kn), wherein one chamber is assigned to a system component and coupled thereto, and wherein the central housing comprises a switching device for the fluidic separation and / or coupling of the chambers (K1 to Kn), wherein the switching device comprises partition walls between the chambers (K1 to Kn) with vacuum check valves (63).