US20180172320A1 - Multi-stage plate-type evaporation absorption cooling device and method - Google Patents

Multi-stage plate-type evaporation absorption cooling device and method Download PDF

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Publication number
US20180172320A1
US20180172320A1 US15/735,363 US201615735363A US2018172320A1 US 20180172320 A1 US20180172320 A1 US 20180172320A1 US 201615735363 A US201615735363 A US 201615735363A US 2018172320 A1 US2018172320 A1 US 2018172320A1
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vapor
phase
outlet
heat exchanger
inlet
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Yisong ZHOU
Ding Zhou
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Shanghai Dinssen Energy Technology Co Ltd
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Shanghai Dinssen Energy Technology Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
    • F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/008—Sorption machines, plants or systems, operating continuously, e.g. absorption type with multi-stage operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/02—Compression-sorption machines, plants, or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
    • F25B27/007—Machines, plants or systems, using particular sources of energy using solar energy in sorption type systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/04—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases
    • F25B43/046—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases for sorption type systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/04—Arrangement or mounting of control or safety devices for sorption type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2315/00—Sorption refrigeration cycles or details thereof
    • F25B2315/001—Crystallization prevention
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems

Definitions

  • the following relates to a waste heat recovering apparatus and method, and particularly relates to a multi-stage plate-type evaporation absorption cooling device and method.
  • a traditional absorption refrigerating method has a production history of nearly a century, and adopts basically standardized thermodynamic processes and devices.
  • lithium bromide absorption refrigerating cycle for air conditioning and ammonia absorption refrigeration cycle for refrigerating and air conditioning are adopted most frequently.
  • the absorption refrigerating method is greatly popularized and developed.
  • a variety of energies such as solar energy, microwave and fuel (gas), are utilized.
  • the COP of a double-effect lithium bromide absorption refrigerating unit is determined as 1.12-1.4, while a temperature of an input heat source vapor of a double-effect lithium bromide refrigerator is 150° C. or even higher, but the COP of an ammonia-water absorption refrigerating unit is only 0.3-0.4.
  • a mechanical vapor compression heat pump gets attention in a heat energy system because of rising sensible heat of low-temperature waste heat vapor with small mechanical work, changing into high-temperature vapor, and then recycling the latent heat to serve as a high-temperature heat source.
  • refrigerant vapor generated by absorbing heat when refrigerant water of a high-pressure generator is concentrated needs to absorb a large amount of heat energy, and heat contained in the refrigerant vapor releases heat of phase change during condensation, but the heat of phase change is discharged out of the system and cannot be recycled.
  • a refrigerant absorbs low-temperature heat energy of coolant circulating water in a low-pressure evaporator to generate the low-temperature and low-pressure refrigerant vapor which enters an absorber and is converted from a vapor phase into a liquid phase; and the heat released by the phase change is usually also discharged out of the refrigerating system and is not recycled.
  • Absorption refrigerating and air conditioning cycles are high in cost mainly because traditionally a shell-and-tube type heat exchanging device and a spraying mass-transfer method are adopted and have low heat and mass transfer coefficients and large heat exchange areas with the need of a circulating pump for spraying an adsorption solution and the refrigerant repeatedly.
  • a Chinese Patent CN200480010361.9 “Absorber and heat exchanger with external loop as well as heat pump system and air conditioning system including the absorber or the heat exchanger”, a plate-type heat exchanger is used as the absorber or the condenser to increase heat exchanging efficiency.
  • a plate-type heat exchanger is used as the absorber or the condenser to increase heat exchanging efficiency.
  • An aspect relates to increasing a COP of a multi-stage plate-type evaporation absorption cooling device.
  • a multi-stage plate-type evaporation absorption cooling device including:
  • a refrigerant water evaporator including an inlet; and an absorber including an outlet and an inlet.
  • the multi-stage plate-type evaporation absorption cooling device further includes the following devices:
  • a four-path solution heat exchanger including two cold-side paths: a first and a second cold-side paths, and a hot-side path, wherein an inlet of the first cold-side path is connected with the outlet of the absorber by a pipeline; an outlet of the hot-side path is connected with the inlet of the absorber by a pipeline; the second cold-side path is connected with a domestic water pipeline; and the first cold-side path has two outlets: a first outlet of the first cold-side path and a second outlet of the first cold-side path; a vapor mixer having a fresh vapor inlet, a regenerated vapor inlet and an outlet, wherein the fresh vapor inlet is connected with a fresh vapor pipeline; a first phase-changing heat exchanger having a hot-side inlet connected with the outlet of the vapor mixer by a pipeline, and having a cold-side inlet connected with the first outlet of the first cold-side path of the four-path solution heat exchanger by a pipeline; a fourth plate-type heat exchange
  • the apparatus also has optimized structures as follows:
  • the mechanical vapor compression pump has a water replenishing tank capable of measuring a saturation degree automatically.
  • the first, the second and the third phase-changing heat exchangers are plate-type heat exchangers, plate-type evaporators, plate-type condensers or shell-and-tube type heat exchangers.
  • the mechanical vapor compression pump is a combination of single-stage or multi-stage fans and compression pumps, and is in a structural form of Roots, centrifuging, reciprocating or screw rod.
  • the present disclosure also provides a refrigerating method of the multi-stage plate-type evaporation absorption cooling device, including:
  • a vapor mixture after exchanging heat in the first phase-changing heat exchanger enters the third phase-changing heat exchanger to absorb heat of phase change of the refrigerant water vapor from the second flash vapor-liquid separation tank, and then enters a third flash vapor-liquid separation tank.
  • the vapor mixture of the gas phase enters the mechanical vapor compression pump to generate regenerated vapor, and is mixed with fresh vapor in a vapor mixing tank to generate vapor mixture which enters the first phase-changing heat exchanger to exchange heat with the dilute solution.
  • Refrigerant water vapor condensate after exchanging heat by the second and the third phase-changing heat exchangers enters the absorber and is cooled by chilled water.
  • the present disclosure proposes an optimized design of lithium bromide absorption refrigeration, so that the unit can have an ultra-high COP which can reach 5.5-6.
  • waste heat of heat source vapor condensed water and concentrated solution is recovered through the plate-type heat exchangers to generate domestic hot water for output and use.
  • the present disclosure also proposes a concept of circulating absorption refrigeration, air conditioning and heat-pump heating of a rectification type vapor phase-changing heat recovery unit component, such as an ammonia-water absorption refrigerating unit, in view of small differences in boiling points of various refrigerants and absorbents.
  • a rectification type vapor phase-changing heat recovery unit component such as an ammonia-water absorption refrigerating unit
  • FIG. 1 is a schematic structural diagram illustrating a device of an embodiment.
  • 1 vapor mixing tank
  • 2 first plate-type inner-coupling phase-changing heat exchanger
  • 3 first flash separation tank
  • 4 second plate-type inner-coupling phase-changing heat exchanger
  • 5 second flash separation tank
  • 6 third plate-type inner-coupling phase-changing heat exchanger
  • 7 third flash separation tank
  • 8 automatic water replenishing tank
  • 9 vacuum pump
  • 10 four-path solution heat exchanger
  • 11 mechanical vapor compression pump
  • 12 plate-type heat exchanger
  • 13 fresh vapor inlet
  • 14 domestic water inlet-outlet
  • 15 domestic water inlet-outlet
  • 16 chilled water inlet-outlet
  • 17 cooling water inlet-outlet
  • 20 condensed water level gauge
  • 21 refrigerant water evaporator
  • 22 low-pressure absorber
  • C water-replenishing inlet.
  • the apparatus in the present embodiment is as follows:
  • the apparatus includes: a refrigerant water evaporator, including an inlet; an absorber, including an outlet and an inlet; a four-path solution heat exchanger including two cold-side paths: a first and a second cold-side paths, and a hot-side path, wherein an inlet of the first cold-side path is connected with the outlet of the absorber by a pipeline; an outlet of the hot-side path is connected with the inlet of the absorber by a pipeline; the second cold-side path is connected with a domestic water pipeline; and the first cold-side path has two outlets: a first outlet of the first cold-side path and a second outlet of the first cold-side path; a vapor mixer, having a fresh vapor inlet, a regenerated vapor inlet and an outlet, wherein the fresh vapor inlet is connected with a fresh vapor pipeline; a first phase-changing heat exchanger having a hot-side inlet connected with the outlet of the vapor mixer by a pipeline and a
  • An original heat source in the present embodiment is a mixture of fresh vapor and regenerated vapor, and certainly, can also be vapor or hot water.
  • An upper portion of the absorber has a refrigerant pipeline.
  • 16 is a refrigerant working medium inlet-outlet.
  • a lower portion of the absorber has a cooling water pipeline.
  • 17 is a cooling water inlet, and C is a water-replenishing inlet.
  • a heat pump 11 in a mechanical vapor compressor, three groups of plate-type inner-coupling phase-changing heat exchangers 2 , 4 and 6 , and three groups of flash vapor-liquid separation tanks 3 , 5 and 7 matched with the heat exchangers are adopted.
  • First two combined groups are mainly used for heating and evaporating a dilute solution of refrigerant water to complete concentration of the dilute solution of refrigerant water and generation of refrigerant water vapor.
  • a third group is used for recovering heat of phase change of refrigerant vapor and generating regenerated vapor.
  • the three groups of systems composed of the plate-type inner-coupling phase-changing heat exchangers and the flash vapor-liquid separation tanks are operated in a vacuum state, and need to be communicated with a vacuum pump unit 9 so as to keep a vacuum degree and maintain relatively high heat exchanging efficiency.
  • the vacuum pump pumps incondensable gas, and the systems are preset in the vacuum state.
  • Each group has a corresponding absolute pressure value.
  • the regenerated vapor (with relatively low potential energy) generated by the plate-type inner-coupling phase-changing heat exchanger 6 and the flash vapor-liquid separation tank 7 in the third group enters the mechanical vapor compression pump 11 , and is supercharged by the mechanical vapor compression pump 11 in a manner of closing heat to output and generate saturated vapor with a higher level of potential energy.
  • the saturated vapor enters a vapor mixing tank 1 through a pipeline and is mixed with the fresh vapor 13 .
  • the heat source vapor entering the first plate-type inner-coupling phase-changing heat exchanger 2 exchanges heat with the dilute solution of the refrigerant water on the other side in the plate-type inner-coupling phase-changing heat exchanger, and then is condensed into condensed water which enters a hot side of the plate-type heat exchanger 12 from the pipeline and exchanges heat with domestic water on the other side in the heat exchanger.
  • the heated domestic hot water is output and used by users, while the cooled condensed water is input to the third plate-type inner-coupling phase-changing heat exchanger 6 through a condensed water circulating pump.
  • the condensed water is vaporized into the regenerated vapor in the plate-type inner-coupling phase-changing heat exchanger and the flash vapor-liquid separation tanks 6 and 8 .
  • the dilute solution of the refrigerant water flowing out of a low-pressure generator is pressed into a four-path plate-type heat exchanger 10 by the circulating pump.
  • the dilute solution of the refrigerant water enters the four-path plate-type heat exchanger and then is divided into two paths.
  • One path is heated after indirectly exchanging heat with a concentrated solution, then flows out of the heat exchanger, and then enters the first plate-type inner-coupling phase-changing heat exchanger 2 ; and the other path is adjusted in temperature in the heat exchanger, then flows out of the heat exchanger, and then enters the second plate-type inner-coupling phase-changing heat exchanger 4 .
  • the dilute solution of the refrigerant water enters the first plate-type inner-coupling phase-changing heat exchanger 2 to generate a vapor-liquid mixed state substance which enters the flash vapor-liquid separation tank 3 and is separated into a vapor phase and a liquid phase.
  • the liquid phase is the concentrated solution, while the vapor phase is secondary saturated vapor which is used as a heat source of a next stage and enters the second plate-type inner-coupling phase-changing heat exchanger 4 and the second flash vapor-liquid separation tank 5 .
  • the secondary vapor (the refrigerant water vapor) generated in the last stage exchanges heat with the refrigerant water on the cold side and then is condensed into refrigerant water which is discharged out of the second plate-type inner-coupling phase-changing heat exchanger 4 and enters an evaporator through a U pipe.
  • the refrigerant water from the four-path solution heat exchanger 10 exchanges heat with the refrigerant water vapor on the hot side in the heat exchanger to generate a vapor-liquid mixed state substance which enters the second flash vapor-liquid separation tank 5 .
  • the liquid phase separated by the second flash vapor-liquid separation tank 5 is the concentrated solution which is returned from the lower portion to the four-path solution heat exchanger 10 .
  • the vapor phase is the refrigerant water vapor which is discharged out of the upper portion, enters the hot side of the third plate-type inner-coupling phase-changing heat exchanger 6 at the next stage and is used as the heat source.
  • the refrigerant water vapor on the hot side of the third plate-type inner-coupling phase-changing heat exchanger 6 exchanges heat with the condensed water on the cold side and is subjected to phase change to generate the refrigerant water which flows out of the lower portion of the third plate-type inner-coupling phase-changing heat exchanger 6 and enters the evaporator 21 through the U pipe.
  • the circulated condensed water on the cold side of the third plate-type inner-coupling phase-changing heat exchanger 6 absorbs energy of the hot side and then enters the vapor-liquid separator 7 for vaporization to remove liquid drops so as to generate the saturated vapor (called regenerated vapor) with relatively low potential energy.
  • the regenerated vapor from the vapor-liquid separator 7 enters the mechanical vapor compression pump 11 , and is supercharged and heated by the mechanical vapor compression pump 11 in a manner of closing heat to generate the regenerated vapor with a higher level of potential energy.
  • the regenerated vapor is a main heat source entering the vapor mixing tank 1 and the first plate-type inner-coupling phase-changing heat exchanger 2 .
  • the four-path solution heat exchanger 10 receives the concentrated solution of a relatively high temperature from the flash vapor-liquid separation tank 3 and the second flash vapor-liquid separation tank 5 , wherein one portion of heat energy exchanges heat with the dilute solution of the refrigerant water of a relatively low temperature on the other side to increase the temperature of the dilute solution of the refrigerant water, while the other portion of heat energy heats the cold domestic water on the other side.
  • the four-path solution heat exchanger 10 respectively has one inlet and one outlet for the domestic water, one inlet and two outlets for the dilute solution of the refrigerant water, and one inlet and one outlet for the concentrated solution, so that the concentrated solution is also cooled to a set temperature by the four-path solution heat exchanger 10 and then enters an absorber 22 .
  • the refrigerant water enters the low-pressure evaporator 21 .
  • An absolute pressure of the low-pressure evaporator 21 is only 0.00087 Pa.
  • the refrigerant water is vaporized at about 5° C. under the low-pressure condition. When vaporization conditions are satisfied, equivalent energy in the refrigerant circulating water needs to be absorbed simultaneously, so the chilled water is also cooled to approach a vaporization temperature.
  • the refrigerant vapor in the absorber 22 enters the absorber 22 with the same vacuum degree.
  • a lithium bromide solution with a relatively high concentration in the absorber 22 has strong capacity to absorb vapor.
  • the concentrated solution fully absorbs cold vapor and then is diluted into the refrigerant water; and the refrigerant water is pumped out by the refrigerant water circulating pump and enters 14 .
  • the absorber 22 is also equipped with a refrigerant water spraying and circulating pump, and the absorber 22 is also provided with a refrigerant water circulating pump to ensure an evaporation effect of the refrigerant water.
  • the absorber 22 may absorb the heat of phase change of the refrigerant water vapor while operation, so the absorber is equipped with a shell-and-tube cooler. External cooling water takes away refrigerant water vapor condensing heat by the cooler so as to cool the solution.
  • the process of the present disclosure retains low-pressure barrel type evaporators and absorber apparatuses of traditional evaporation absorption refrigerating units, and retains relevant configurations of the original process, such as a refrigerant water pump, a refrigerant water spraying pump, a refrigerant water circulating pump, a vacuum incondensable gas discharge system and relevant original configurations.
  • a design route is conducive to upgrading of an existing absorption refrigerating unit, conducive to understanding by those skilled in the art or relevant arts, and convenient for popularization and promotion of the present disclosure.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • Sorption Type Refrigeration Machines (AREA)
US15/735,363 2015-07-31 2016-07-28 Multi-stage plate-type evaporation absorption cooling device and method Abandoned US20180172320A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201510465086.X 2015-07-31
CN201510465086.XA CN104964477B (zh) 2015-07-31 2015-07-31 一种多级板式蒸发吸收式制冷装置和方法
PCT/CN2016/091993 WO2017020767A1 (zh) 2015-07-31 2016-07-28 一种多级板式蒸发吸收式制冷装置和方法

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JP (1) JP6441511B2 (zh)
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170153046A1 (en) * 2014-05-30 2017-06-01 Consejo Superior De Investigaciones Cientificas Low-Power Absorption Refrigeration Machine
CN113541598A (zh) * 2021-06-16 2021-10-22 淮阴工学院 一种多级利用的冷热电供能系统及其系统容量配置优化方法
CN115111806A (zh) * 2022-06-21 2022-09-27 西安热工研究院有限公司 一种基于能量梯级利用的热电联供系统及方法
US20230400234A1 (en) * 2021-11-15 2023-12-14 Jiangsu University Of Science And Technology Water treatment system of coupling heat pump with multi-effect evaporation and operating method thereof

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964477B (zh) * 2015-07-31 2017-11-24 上海缔森能源技术有限公司 一种多级板式蒸发吸收式制冷装置和方法
CN105485960B (zh) * 2016-01-08 2017-09-26 上海缔森能源技术有限公司 一种双蒸气压缩系统吸收式制冷方法及装置
CN105650938B (zh) * 2016-01-08 2018-01-09 上海缔森能源技术有限公司 一种全电力回用排放热的吸收式制冷方法和装置
US11236931B2 (en) 2016-01-28 2022-02-01 Cool4Sea Aps Absorption refrigeration and air conditioning devices
CN106642799A (zh) * 2016-12-26 2017-05-10 广东申菱环境系统股份有限公司 一种数据中心冷热联供系统及其控制方法
CN109612159B (zh) * 2018-11-26 2020-11-10 江苏科技大学 第二类溴化锂吸收压缩复合式高温热泵系统及工作方法
CN111351107A (zh) * 2018-12-20 2020-06-30 大连民族大学 混分的太阳能补热溴化锂热泵供暖方法
CN111852870A (zh) * 2020-05-06 2020-10-30 中国电力工程顾问集团中南电力设计院有限公司 一种燃煤电站真空泵多级冷却水系统及冷却方法
CN111760309A (zh) * 2020-07-08 2020-10-13 袁东立 适用于能源塔系统的高效溶液浓缩装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171624A (en) * 1976-04-16 1979-10-23 Gershon Meckler Associates, P.C. Air conditioning apparatus
FR2757256B1 (fr) * 1996-12-13 1999-03-05 Gaz De France Frigopompe a absorption multietagee operant sur un melange ternaire
US6158241A (en) * 1998-01-01 2000-12-12 Erickson; Donald C. LPG recovery from reformer treat gas
CN1158494C (zh) * 2001-10-28 2004-07-21 邓祖南 多段吸收式制冷装置
JP2004011928A (ja) * 2002-06-03 2004-01-15 Daikin Ind Ltd 吸収式冷凍装置
JP2009236441A (ja) * 2008-03-28 2009-10-15 Sanyo Electric Co Ltd ヒートポンプ式冷凍装置
JP2009236440A (ja) * 2008-03-28 2009-10-15 Sanyo Electric Co Ltd ガスヒートポンプ式空気調和装置もしくは冷凍装置
JP2010223439A (ja) * 2009-03-19 2010-10-07 Tokyo Gas Co Ltd 太陽熱利用蒸気発生システムとそれを利用した太陽熱利用吸収冷凍機
JP5375283B2 (ja) * 2009-04-07 2013-12-25 ダイキン工業株式会社 冷凍装置
CN101650095B (zh) * 2009-09-03 2011-11-09 清华大学 一种多级吸收式制冷/热泵机组
CN102512835B (zh) * 2011-12-26 2014-04-02 上海缔森能源技术有限公司 一种多效板式升膜逆流蒸发浓缩装置和方法
CN103322655B (zh) * 2013-07-10 2015-09-09 李志东 新型高效能源阶梯使用闭式循环中央空调系统
CN105066502B (zh) * 2015-07-31 2017-09-05 上海缔森能源技术有限公司 一种回收相变热的直燃式吸收制冷方法及装置
CN104964477B (zh) * 2015-07-31 2017-11-24 上海缔森能源技术有限公司 一种多级板式蒸发吸收式制冷装置和方法
CN204902309U (zh) * 2015-07-31 2015-12-23 上海缔森能源技术有限公司 一种多级板式蒸发吸收式制冷装置
CN105650938B (zh) * 2016-01-08 2018-01-09 上海缔森能源技术有限公司 一种全电力回用排放热的吸收式制冷方法和装置
CN105485960B (zh) * 2016-01-08 2017-09-26 上海缔森能源技术有限公司 一种双蒸气压缩系统吸收式制冷方法及装置

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US10845100B2 (en) * 2014-05-30 2020-11-24 Consejo Superior De Investigaciones Cientificas Low-power absorption refrigeration machine
CN113541598A (zh) * 2021-06-16 2021-10-22 淮阴工学院 一种多级利用的冷热电供能系统及其系统容量配置优化方法
US20230400234A1 (en) * 2021-11-15 2023-12-14 Jiangsu University Of Science And Technology Water treatment system of coupling heat pump with multi-effect evaporation and operating method thereof
US11940187B2 (en) * 2021-11-15 2024-03-26 Jiangsu University Of Science And Technology Water treatment system of coupling heat pump with multi-effect evaporation and operating method thereof
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