CN108344202A - Combined thermal storage heat pump system - Google Patents

Combined thermal storage heat pump system Download PDF

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Publication number
CN108344202A
CN108344202A CN201810077488.6A CN201810077488A CN108344202A CN 108344202 A CN108344202 A CN 108344202A CN 201810077488 A CN201810077488 A CN 201810077488A CN 108344202 A CN108344202 A CN 108344202A
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CN
China
Prior art keywords
heat pump
absorption
heat
subsystem
combined thermal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810077488.6A
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Chinese (zh)
Inventor
朱建新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENYANG SIGNJAMMER Ltd
Original Assignee
SHENYANG SIGNJAMMER Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENYANG SIGNJAMMER Ltd filed Critical SHENYANG SIGNJAMMER Ltd
Priority to CN201810077488.6A priority Critical patent/CN108344202A/en
Publication of CN108344202A publication Critical patent/CN108344202A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/02Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00Machines, plants or systems, using particular sources of energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/40Fluid line arrangements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The present invention is a kind of combined thermal storage heat pump system, it includes electric heat storage boiler, circulating fan, absorption heat pump subsystem, electric-control system, and technical essential is:The absorption heat pump subsystem and frequency conversion circulating fan of electric heat storage boiler configuration;The absorption heat pump subsystem includes the generator being connected by pipeline, condenser, evaporator, absorber, heat exchanger, circulating pump, and working media is filled in subsystem;The generator includes with high temperature air import, outlet and the thermal cycle channel and metal component being connected with electric heat storage boiler;The metal component includes to be arranged along hot-air circulation canal by heat exchange pipeline, input port, output port, vaporium, evaporating surface, converge chamber, the airtight cavity of splitter cavity connection composition, the input port of the airtight cavity is connected to heat exchanger, and output port is connected with condenser;Overflow port is additionally provided on airtight cavity.The Energy Efficiency Ratio of combined thermal storage heat pump system of the present invention is more than 1.

Description

Combined thermal storage heat pump system
Technical field
The invention belongs to technical field of energy saving and environmental protection, specifically a kind of absorption type heat for improving electric heat storage formula boiler Energy Efficiency Ratio The combined thermal storage heat pump system that pump freezes, heats.
Background technology
It is well known that it is the target that scientific worker constantly pursues to improve Energy Efficiency Ratio in technical field of energy utilization.This What applicant was formerly declared《Solid electric heat storage formula air-conditioning device》Patent application is that solution wind-power electricity generation and optical energy power are efficient Utilize the effective way of problem.It presses《Solid electric heat storage formula air-conditioning device》Technology path manufacture product when, first to pacify at the scene Solid electric heat storage boiler is filled, then connects absorption heat pump hair in each high-temperature hot air circulation canal of solid electric heat storage boiler Raw device, makes each absorption heat pump generator form closed loop cycle with place high-temperature hot air circulation canal, can be easily The high-temperature hot air feed track absorption heat pump generator in solid electric heat storage boiler, absorption type heat pump system is made to be moved Power.But the pipeline of joint connection in site absorption type heat pump system, and reaching vacuum degree and purity requirements, equipment could reliably be grown Service life runs, this technical solution is more demanding to the technical capability and construction tool of construction personnel.In order to reduce difficulty of construction The present invention proposes new technical solution:Installed in each high-temperature hot air circulation canal of solid electric heat storage boiler one by Generator, condenser, evaporator, absorber, heat exchanger, circulating pump, the absorption heat pump subsystem of working media composition use When the cold output port of each absorption heat pump subsystem is in parallel, then again by the thermal output of each absorption heat pump subsystem It is user service that port parallel connection, which forms total hot and cold output port,.This technical solution is to the technical capability of construction personnel and applies Work tool demands are relatively low, reduce installation difficulty at the scene.
Invention content
The object of the present invention is to provide a kind of absorption heat pump refrigeration, the combined thermal storage heat pump systems of heating.The system It is to store the hot-air that formula boiler provides using solid electricity for power, realizes the absorption heat pump dress that can be heated and can also freeze It sets.The solid electric heat storage formula boiler of user installation is typically all more and is applied in combination, more than one absorption is arranged in every boiler again Formula heat pump subsystem, it is logical that each absorption heat pump subsystem corresponds to the cycle of a high-temperature hot air in solid electric heat storage formula boiler Road, and it is furnished with one group of frequency conversion fan, the hot and cold output port of each absorption heat pump subsystem is connected in parallel respectively to be constituted always Hot and cold output port provides a user hot and cold output service.
The purpose of the present invention is what is be achieved by following technical side:It includes solid electric heat storage boiler, frequency conversion Circulating fan, absorption heat pump subsystem, power supply and control system, it is characterised in that:Every solid electric heat storage boiler is configured with Several absorption heat pump subsystems;Each absorption heat pump subsystem is configured with independent frequency conversion circulating fan;The suction Receipts formula heat pump subsystem includes the generator being connected by pipeline, condenser, evaporator, absorber, heat exchanger, circulating pump, And working media is filled in absorption heat pump subsystem;The generator includes carrying to be connected with solid electric heat storage boiler High temperature air import, high temperature air outlet, hot-air circulation canal and metallic shell members;The metallic shell members include Have be arranged along hot-air circulation canal by heat exchange pipeline, input port, output port, vaporium, evaporating surface, converge chamber, The airtight cavity of splitter cavity connection composition, the input port and the heat exchanger in absorption heat pump subsystem of the airtight cavity are defeated Outlet is connected to, and the output port of the airtight cavity is connected to the condenser input terminal in absorption heat pump subsystem;Closed It is additionally provided with overflow port between vaporium and evaporating surface on cavity, the overflow port and the heat exchanger in absorption heat pump subsystem Input terminal is connected to, and set overflow port clamps down on working media in the evaporating surface of confluence intracavitary and retains and can meet working media vapour Change the vaporium space of separation.
Working media of the present invention is made of refrigerant and absorbent;Refrigerant is water;Absorbent is lithium bromide, ammonia.
Absorption heat pump operating condition is pressed between generator of the present invention, evaporator, condenser, absorber, heat exchanger Configuration.
Frequency conversion circulating fan of the present invention is to be located at the axial-flow type that hot-air cycle is driven in high temperature air ring channel Or centrifugal high-temperature blower can be by separate unit or more according to the requirement of absorption heat pump subsystem high temperature circulation air mass flow Configuration.
Solid electric heat storage boiler internal of the present invention using solid brick made of silicate refractory material as heat-storage medium, The solid electric heat storage boiler of 100 DEG C~700 DEG C hot-airs can be exported.
Power supply of the present invention and control system are that the power supply of solid electric heat storage boiler connects and draws and control working condition Component;
Circulating pump of the present invention is that absorption type heat pump assembly special tool makees medium circulation pump.
High-temperature hot air circulation canal of the present invention is in solid electric heat storage boiler and each absorption heat pump subsystem Generator between complete thermal energy exchange closed loop channel.
The beneficial effects of the invention are as follows:Generator architecture in the combined thermal storage heat pump system and conventional absorption heat The generator architecture of pump configuration has carried out completely new design, is allowed to adapt to the high-efficient disposition of the present invention.Conventional generator shell side All it is the closed container of pressure-bearing respectively with tube side, shell side fills working media, and tube side is heat source passages;If the routinely design present invention Generator, walk the tube side cavity cross-section used in identical energy high temperature air than walking the tube side used in high-temperature water or saturated vapor Cavity cross-section wants big decades of times, causes generator bulky.It need to can be injected when work than just common high-temperature water or saturated vapor Thermodynamic generator is made, the working media for having more decades of times volume could reliably working.So being designed using opposition thinking The generator of the present invention, shell side walk high temperature air tube side dress working media;Tube side is the closed container of pressure-bearing, and shell side is not pressure-bearing Close passage.If finned tube is selected to do the metallic conduit of generator, the exterior surface area of metallic conduit can be increased, further Improve the efficiency that pipeline absorbs high temperature air thermal energy.The combined thermal storage heat pump system will be inhaled on plant produced assembly line Receipts formula heat pump subsystem transports scene to after debugging, reduce user installation difficulty.It, can be very using combined mounting structure Easily with solid electric heat storage boiler matching, electric heat storage formula air conditioning system for building is done.Especially do Hazards in Power Plant flexibility The electric heat storage boiler of peak regulation is arranged by this technical solution, not only performs heat, the electrolysis coupling effect of Hazards in Power Plant, moreover it is possible to By the thermal energy recycling in power plant cooling water.The Energy Efficiency Ratio of combined thermal storage heat pump system is more than 1.
Description of the drawings
Fig. 1 is the mounting structure simplified schematic diagram of the present invention;
Fig. 2 is the absorption heat pump subsystem connection structure simplified schematic diagram of the present invention;
Fig. 3 is the generator architecture simplified schematic diagram of the present invention;
The symbol description of major part in attached drawing:1, solid electric heat storage boiler, 2, frequency conversion circulating fan, 3, power supply and control system System, 4, absorption heat pump subsystem, 5, generator, 6, absorber, 7, condenser, 8, evaporator, 9, heat exchanger, 10, circulating pump, 11, circulating pump, 12, heat exchange pipeline, 13, input port, 14, output port, 15, working media, 16, high temperature air import, 17, High temperature air exports, and 18, hot-air circulation canal, 19, vaporium, 20, evaporating surface, 21, confluence chamber, 22, splitter cavity, 23, overflow Head piece.
Invention will be described in further detail by example below, but following examples is only present invention example therein Son, does not represent rights protection scope defined by the present invention, the scope of the present invention is with claims It is accurate.
Specific implementation mode
Embodiment 1
Shown in Fig. 1-3, the combined thermal storage heat pump system of the present embodiment is by solid electric heat storage boiler 1, frequency conversion circulating fan 2, Power supply and control system 3, which are connected with three absorption heat pump subsystems 4 with corresponding pipeline, to be formed, each absorption heat pump subsystem Under unified central planning to be equipped with independent frequency conversion circulating fan 2, which is axial-flow type or centrifugal high-temperature blower.Such as Fig. 2 institutes Show, the absorption heat pump subsystem 4 includes the generator 5 being connected by pipeline, condenser 7, evaporator 8, absorber 6, heat exchanger 9, circulating pump 10 and circulating pump 11, and working media 15 is filled in absorption heat pump subsystem;As shown in Figure 3, The generator 5 includes passing through frequency conversion circulating fan with the high temperature air import 16 being connected with solid electric heat storage boiler 1 2 ports being connect with high temperature air outlet 17, hot-air circulation canal 18 and metallic shell members;The metallic shell members packet Include be arranged along hot-air circulation canal 18 by heat exchange pipeline 12, input port 13, output port 14, vaporium 19 steams Fermentation 20, converge chamber 21, the airtight cavity of the connection composition of splitter cavity 22;The airtight cavity can be with multiple used in parallel;It is described The input port 13 of airtight cavity is connected to 9 output end of heat exchanger in absorption heat pump subsystem 4, the airtight cavity it is defeated Exit port 14 is connected to 7 input terminal of condenser in absorption heat pump subsystem;Vaporium 19 on airtight cavity and evaporation Overflow port 23 is additionally provided between face 20, which is connected to 9 input terminal of heat exchanger in absorption heat pump subsystem 4, Set overflow port 23 clamps down on working media can meet working media vaporization separation in the evaporating surface and retaining of confluence intracavitary Vaporium space.Power supply and control system 3 are that the power supply of solid electric heat storage boiler connects the component for drawing and controlling working condition;It is described Circulating pump 11 be absorption type heat pump assembly working media circulating pump, the circulating pump 11 setting evaporator and condenser it Between.
Above-mentioned working media is made of refrigerant and absorbent;Refrigerant is water;Absorbent is lithium bromide or ammonia.
Above-mentioned solid electric heat storage boiler internal can be exported using solid brick made of silicate refractory material as heat-storage medium The solid electric heat storage boiler of 100 DEG C~700 DEG C hot-airs.
It is complete in parallel that the present invention can be equipped with absorption heat pump subsystem 4 of the several groups with frequency conversion circulating fan 2 as needed Setting, each absorption heat pump subsystem 4 are respectively provided with independent separate unit or more frequency conversion circulating fans 2;The absorption type heat It pumps subsystem 4 to be arranged in 1 closed high-temperature hot air circulation canal of solid electric heat storage boiler, be followed in high temperature air by being arranged Frequency conversion fan 2 in ring channel directly drives high temperature air cyclic absorption thermal energy.As shown by the arrows in Figure 1, each absorption type heat Pump subsystem 4 has independent high-temperature hot air circulation canal 18.
The chamber outer surface area being arranged in high-temperature hot air circulation canal will meet working media in cavity from high temperature The needs of thermal energy are drawn in air;Condenser, evaporator, absorber, heat exchanger are to corrode made of metal by being resistant to working media At shell-and-tube heat exchanger.Overflow port of the present invention is that working media overflows the feeding completion heat exchange of heat exchanger 9 of generator 5 Outlet;Pipeline of the present invention be resistant to working media corrosion top, lower part respectively with the confluence chamber being horizontally mounted, The metal tube that splitter cavity is tightly connected, outer surface is solderable to be connected to fin;Input port of the present invention is that working media enters The entrance of generator;Output port of the present invention is the steam (vapor) outlet of working media;Vaporium of the present invention has been At the space evaporated by thermodynamic medium;Evaporating surface of the present invention is the hot release plane of working media in pipeline.
Its course of work, installation is complete for combined thermal storage heat pump assembly, and control parameter is placed in power supply and control when use In system 3, so that solid electric heat storage boiler 1 is completed accumulation of heat work, control the frequency conversion circulating fan of each absorption heat pump subsystem 4 High temperature air in solid electric heat storage boiler 1 is conveyed to the generator 5 in each absorption heat pump subsystem 4 and added by 2 work respectively Thermodynamic medium 15, generator 5 are sent into condenser 7 by thermogenetic high pressure refrigerant vapor, and thermal energy is by 7 tube side of condenser Cooling water absorbs, and cooling water temperature is made to increase to form thermal output;Working media 15 in condenser 7 after cooling is sent into evaporator 8 After be vaporized further cooling, complete the process of refrigerastion of heat pump, be formed simultaneously cold output;The low pressure cold that evaporator 8 is formed is steamed Vapour enters in absorber 6, while being re-fed into condenser 7 by circulating pump 11 by the working media after absorbing heat is completed;Into To the low pressure refrigerant vapor in absorber 6 weak solution is formed with absorbent solution;Weak solution in absorber 6 is by circulating pump 10 Boosting, the high temperature sorbent concentrated solution come out with absorption heat pump generator 5 in heat exchanger 9 are sent into generation after carrying out heat exchange 5 reciprocation cycle of device works, and completes system heat exchange acting process.

Claims (8)

1. a kind of combined thermal storage heat pump system, it includes solid electric heat storage boiler, frequency conversion circulating fan, absorption heat pump System, power supply and control system, it is characterised in that:Every solid electric heat storage boiler is configured with several absorption heat pump subsystems System;Each absorption heat pump subsystem is configured with independent frequency conversion circulating fan;The absorption heat pump subsystem includes logical The generator that pipeline is connected, condenser, evaporator, absorber, heat exchanger, circulating pump are crossed, and working media is filled in absorption In formula heat pump subsystem;The generator includes with the high temperature air import being connected with solid electric heat storage boiler, high temperature Air outlet slit, hot-air circulation canal and metallic shell members;The metallic shell members include along hot-air circulation canal Upper setting by heat exchange pipeline, input port, output port, vaporium, evaporating surface, converge chamber, splitter cavity connection composition it is close The input port of closed chamber body, the airtight cavity is connected to the heat exchanger output end in absorption heat pump subsystem, described closed The output port of cavity is connected to the condenser input terminal in absorption heat pump subsystem;Vaporium on airtight cavity and steaming Overflow port is additionally provided between fermentation, which is connected to the heat exchanger input terminal in absorption heat pump subsystem, set Overflow port clamp down on working media can meet in the evaporating surface and retaining of confluence intracavitary working media vaporization separation vaporium it is empty Between.
2. combined thermal storage heat pump system according to claim 1, it is characterised in that:The working media by refrigerant and Absorbent is constituted;Refrigerant is water;Absorbent is lithium bromide or ammonia.
3. combined thermal storage heat pump system according to claim 1, it is characterised in that:The generator, evaporator, condensation It is configured by absorption heat pump operating condition between device, absorber and heat exchanger.
4. combined thermal storage heat pump system according to claim 1, it is characterised in that:The frequency conversion circulating fan is to set The axial-flow type or centrifugal high-temperature blower that hot-air cycle is driven in high temperature air ring channel, are configured by separate unit or more.
5. combined thermal storage heat pump system according to claim 1, it is characterised in that:In the solid electric heat storage boiler Portion can export the solid electric heat storage of 100 DEG C~700 DEG C hot-airs using solid brick made of silicate refractory material as heat-storage medium Boiler.
6. combined thermal storage heat pump system according to claim 1, it is characterised in that:The power supply and control system be The power supply of solid electric heat storage boiler connects the component for drawing and controlling working condition.
7. combined thermal storage heat pump system according to claim 1, it is characterised in that:The circulating pump is absorption type heat The working media circulating pump of pump assembly, is additionally provided with circulating pump between evaporator and condenser.
8. combined thermal storage heat pump system according to claim 1, it is characterised in that:The high-temperature hot air cycle is logical Road is the closed loop channel of the completed thermal energy exchange in generator in solid electric heat storage boiler and each absorption heat pump subsystem.
CN201810077488.6A 2018-01-26 2018-01-26 Combined thermal storage heat pump system Withdrawn CN108344202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810077488.6A CN108344202A (en) 2018-01-26 2018-01-26 Combined thermal storage heat pump system

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Application Number Priority Date Filing Date Title
CN201810077488.6A CN108344202A (en) 2018-01-26 2018-01-26 Combined thermal storage heat pump system

Publications (1)

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CN108344202A true CN108344202A (en) 2018-07-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375435A (en) * 2019-08-26 2019-10-25 周封 The solid electricity heat accumulation unit of monoblock and composite structure
CN111023237A (en) * 2019-12-16 2020-04-17 北京金茂绿建科技有限公司 Fluid medium heating system based on solid heat storage electric boiler
CN113405276A (en) * 2021-07-14 2021-09-17 重庆金康赛力斯新能源汽车设计院有限公司 Integrated cold source circulation generator and absorption type refrigerating device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201535596U (en) * 2009-12-03 2010-07-28 重庆大学 Absorption type refrigeration generator adopting lithium bromide solution falling film in vertical tubes
CN101963417A (en) * 2010-03-22 2011-02-02 浪达科技(深圳)有限公司 Generator for vehicle-mounted refrigeration device
CN103196170A (en) * 2013-04-11 2013-07-10 山西大学工程学院 Absorption heat-pump heating system capable of recycling exhaust heat of exhaust gas from power station boiler
CN103742291A (en) * 2013-12-26 2014-04-23 宁波工程学院 Waste heat recovery type distributed energy and ocean thermal energy coupling power generation system
CN207831733U (en) * 2018-01-26 2018-09-07 沈阳世杰电器有限公司 Combined thermal storage heat pump system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201535596U (en) * 2009-12-03 2010-07-28 重庆大学 Absorption type refrigeration generator adopting lithium bromide solution falling film in vertical tubes
CN101963417A (en) * 2010-03-22 2011-02-02 浪达科技(深圳)有限公司 Generator for vehicle-mounted refrigeration device
CN103196170A (en) * 2013-04-11 2013-07-10 山西大学工程学院 Absorption heat-pump heating system capable of recycling exhaust heat of exhaust gas from power station boiler
CN103742291A (en) * 2013-12-26 2014-04-23 宁波工程学院 Waste heat recovery type distributed energy and ocean thermal energy coupling power generation system
CN207831733U (en) * 2018-01-26 2018-09-07 沈阳世杰电器有限公司 Combined thermal storage heat pump system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375435A (en) * 2019-08-26 2019-10-25 周封 The solid electricity heat accumulation unit of monoblock and composite structure
CN111023237A (en) * 2019-12-16 2020-04-17 北京金茂绿建科技有限公司 Fluid medium heating system based on solid heat storage electric boiler
CN111023237B (en) * 2019-12-16 2021-07-09 北京金茂绿建科技有限公司 Fluid medium heating system based on solid heat storage electric boiler
CN113405276A (en) * 2021-07-14 2021-09-17 重庆金康赛力斯新能源汽车设计院有限公司 Integrated cold source circulation generator and absorption type refrigerating device
CN113405276B (en) * 2021-07-14 2022-07-05 重庆金康赛力斯新能源汽车设计院有限公司 Integrated cold source circulation generator and absorption type refrigerating device

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Application publication date: 20180731