CN108387024B - Low-temperature waste heat recovery type lithium bromide absorption type hot and cold water system - Google Patents
Low-temperature waste heat recovery type lithium bromide absorption type hot and cold water system Download PDFInfo
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- CN108387024B CN108387024B CN201810273025.7A CN201810273025A CN108387024B CN 108387024 B CN108387024 B CN 108387024B CN 201810273025 A CN201810273025 A CN 201810273025A CN 108387024 B CN108387024 B CN 108387024B
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- 239000002918 waste heat Substances 0.000 title claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 70
- 238000011084 recovery Methods 0.000 title claims abstract description 65
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 73
- 238000005057 refrigeration Methods 0.000 claims abstract description 21
- 239000006096 absorbing agent Substances 0.000 claims abstract description 12
- 239000008236 heating water Substances 0.000 claims abstract description 5
- 239000003507 refrigerant Substances 0.000 claims description 43
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000008020 evaporation Effects 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 238000000605 extraction Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 21
- 239000002826 coolant Substances 0.000 abstract 4
- 239000000498 cooling water Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention belongs to the field of refrigeration equipment, and particularly relates to a low-temperature waste heat recovery type lithium bromide absorption type cold and hot water system. The utility model provides a low temperature waste heat recovery formula lithium bromide absorption formula hot and cold water system, including condenser, waste heat recoverer, absorber, evaporimeter, a plurality of circulating pump and connecting tube, this system exists two kinds of modes of refrigeration and heating, and this system works when heating mode, and low temperature waste heat is connected to waste heat recoverer through the pipeline, and the coolant water is connected to the drip and is drenched the device in the waste heat recoverer through the pipeline, drip and drenche the coolant water that the device drip drenches and produce the coolant steam after the waste heat recoverer heats, the heat transfer of coolant steam and the heating water in the heat transfer pipe obtains the heating hot water under the vacuum environment. The invention provides a low-temperature waste heat recovery type lithium bromide absorption type cold and hot water system, which can realize the cooling in summer and the heating in winter of waste heat recovery through mode switching, simplifies the waste heat recovery system and saves investment.
Description
Technical Field
The invention belongs to the field of refrigeration equipment, and particularly relates to a low-temperature waste heat recovery type lithium bromide absorption type cold and hot water system.
Background
The low-temperature waste heat recovery type lithium bromide absorption refrigerator is equipment for preparing cold water by utilizing low-temperature waste heat (waste heat in the form of liquid carrier, gaseous carrier and the like in general) and has the advantages of no environmental pollution, large system capacity, convenient system maintenance and management and the like due to the fact that the low-temperature waste heat can be recycled and water is adopted as a refrigerant, and the low-temperature waste heat recovery type lithium bromide absorption refrigerator is widely applied to the field of industrial waste heat recovery refrigeration, such as steel, petrochemical industry, chemical industry, coking, textile and the like. At present, a low-temperature waste heat recovery type lithium bromide absorption system can only recover waste heat for refrigeration and cannot heat, mainly because the low-temperature waste heat is low in grade, the lithium bromide solution cannot be heated and concentrated to the required temperature and concentration; in practice, many projects need to recover waste heat for cooling in summer and heating in winter, so as to realize maximization of waste heat recovery. The current practice mainly meets the demands in a mode of combining a low-temperature waste heat recovery type lithium bromide absorption refrigerator and a heating heat exchanger (shown in fig. 1), so that on one hand, a waste heat recovery system is complicated, and on the other hand, the investment of the waste heat recovery system is increased (the quality of industrial low-temperature waste heat is poor, and a heating heat exchanger made of special corrosion-resistant materials is needed).
Disclosure of Invention
The invention aims to solve the defects and provide a low-temperature waste heat recovery type lithium bromide absorption type cold and hot water system, which can realize the cooling in summer and the heating in winter of waste heat recovery through mode switching, simplify the waste heat recovery system and save investment.
The technical scheme adopted by the invention for achieving the purpose is as follows: the low-temperature waste heat recovery type lithium bromide absorption type cold and hot water system comprises a condenser, a waste heat recoverer, an absorber, an evaporator, an internal heat recoverer, a refrigeration evaporation circulating pump, a dilute solution circulating pump, a concentrated solution circulating pump, a heating evaporation circulating pump, a waste heat control valve, a waste heat cold and warm switching valve, a water system cold and warm switching valve, a system internal cold and warm switching valve, a water system pipeline, a refrigerant storage, a connecting pipeline, an air extraction system and a control system.
The evaporator and the absorber are arranged in the same cylinder, the condenser and the waste heat recoverer are arranged in the same cylinder, the refrigerant water is from the evaporator, the refrigerant water in the evaporator is conveyed to the drip device in the waste heat recoverer through a pipeline and a heating evaporation circulating pump, the refrigerant steam generated in the waste heat recoverer is conveyed to the evaporator through a pipeline, the refrigerant steam exchanges heat with the heating water in the heat transfer pipe of the evaporator to obtain heating hot water, and a refrigerant water return pipeline is connected between the waste heat recoverer and the evaporator.
The evaporator and the absorber are arranged in the same cylinder, the condenser and the waste heat recoverer are arranged in the same cylinder, the lithium bromide absorption type cold and hot water system further comprises a cold agent storage, cold agent water in the cold agent storage is conveyed to a drip device in the waste heat recoverer through a pipeline and a heating evaporation circulating pump, cold agent steam generated in the waste heat recoverer enters the condenser, the cold agent steam exchanges heat with heating water in a heat transfer pipe of the condenser to obtain heating hot water, and a cold agent water return pipeline is connected between the waste heat recoverer and the cold agent storage.
The refrigerating and heating modes of the lithium bromide absorption type cold and hot water system can be automatically or manually switched through the cold and hot switching valve arranged on the internal connecting pipeline of the system.
The low-temperature waste heat comprises low-temperature water, heat conduction oil, flue gas, low-pressure steam and exhaust steam.
The cold and hot water system realizes the operation of a summer waste heat recovery refrigeration mode and a winter waste heat recovery heating mode through internal switching, and when the system enters the waste heat recovery refrigeration mode, the inside of the system is realized through lithium bromide solution circulation and refrigerant water circulation; when the waste heat recovery heating mode is entered, the inside of the system is realized through refrigerant water circulation, and compared with the prior art, the beneficial effects of the invention are as follows:
(1) According to the invention, the operation of a summer waste heat recovery refrigeration mode and a winter waste heat recovery heating mode is realized through the internal switching of the system, and the maximization of waste heat recovery utilization is realized;
(2) According to the invention, the cooling mode of waste heat recovery in summer and the heating mode of waste heat recovery in winter are realized through the internal switching of the system, and during heating operation, better effect than that of the traditional heating heat exchanger can be realized through the heat transfer of the refrigerant, so that the maximization of waste heat recovery and utilization is realized, the heating heat exchanger is saved, the structure of the waste heat recovery system is simplified, and the investment is saved;
(3) Furthermore, the independent refrigerant storage is adopted for refrigerant circulation, and the independent refrigerant storage is added, so that the independent storage of the refrigerant water under the refrigeration working condition and the heating working condition can be ensured, the refrigerant water under the heating working condition can be prevented from entering the lithium bromide solution, and the running stability of the two working conditions can be ensured.
(4) The invention has very wide application range, and can be widely applied to the fields of iron and steel, coking, petrochemical industry, chemical industry and the like. The waste heat recovery refrigeration and waste heat recovery heating occasion can be carried out by utilizing the waste heat of liquid carrier waste heat, gaseous carrier waste heat, gas-liquid mixing and other forms.
Drawings
FIG. 1 is a flow chart of a conventional low-temperature waste heat recovery type lithium bromide absorption type hot and cold water system;
FIG. 2 is a flow chart of a low-temperature waste heat recovery type lithium bromide absorption cold and hot water system according to the invention;
FIG. 3 is a flow chart of another low-temperature waste heat recovery type lithium bromide absorption cold and hot water system according to the invention;
reference numerals illustrate:
the system comprises a 1-1 condenser, a 1-2 waste heat recoverer, a 1-3 absorber, a 1-4 evaporator, a 1-5 internal heat recoverer, a 1-6 refrigeration evaporation circulating pump, a 1-7 dilute solution circulating pump, a 1-8 concentrated solution circulating pump, a 1-9 heating evaporation circulating pump, a 1-10 waste heat control valve, a 2-1 heating heat exchanger, a 3-1-3-4 waste heat cold and warm switching valve, a 3-5-3-10 water system cold and warm switching valve, a 4-1 waste heat outlet pipeline, a 4-2 waste heat inlet pipeline, a 4-3 heating outlet pipeline, a 4-4 heating inlet pipeline, a 4-5 cooling water inlet pipeline, a 4-6 cooling water outlet pipeline, a 4-7 cold water inlet pipeline, a 4-8 cold water outlet pipeline, a 5-1-5-8 system internal cold and warm switching valve and a 6-1 refrigerant storage.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
embodiment one:
as shown in fig. 2, the flow chart of the low-temperature waste heat recovery type lithium bromide absorption type cold and hot water system is shown, and the system mainly comprises the following components: the system comprises a condenser 1-1, a waste heat recoverer 1-2, an absorber 1-3, an evaporator 1-4, an internal heat recoverer 1-5, a refrigeration evaporation circulating pump 1-6, a dilute solution circulating pump 1-7, a concentrated solution circulating pump 1-8, a heating evaporation circulating pump 1-9, a waste heat control valve 1-10, a water system cooling and heating switching valve 3-5-3-8, a waste heat outlet pipeline 4-1, a waste heat inlet pipeline 4-2, a heating outlet pipeline 4-3, a heating inlet pipeline 4-4, a cooling water inlet pipeline 4-5, a cooling water outlet pipeline 4-6, a cold water inlet pipeline 4-7, a cold water outlet pipeline 4-8, a system internal switching valve 5-1-5, an air extraction system, a control system, a connecting pipeline, a valve and the like. The system is characterized in that two modes of operation of waste heat recovery refrigeration and waste heat recovery heating can be realized through switching of the water system cooling and heating switching valves 3-5 to 3-8 and the system internal cooling and heating switching valves 5-1 to 5-5.
The switching and operation modes of the waste heat recovery refrigeration mode are described as follows: the water system cooling and heating switching valves 3-5-3-6 are opened, the water system cooling and heating switching valves 3-7-3-8 are closed, the system internal cooling and heating switching valves 5-1, 5-3 and 5-5 are closed, the system internal cooling and heating switching valves 5-2 and 5-4 are opened, and the control mode is switched to carry out the waste heat recovery cooling operation mode. The working process of the mode is that low-temperature waste heat of a customer enters a waste heat recoverer 1-2 to heat a lithium bromide dilute solution, the lithium bromide dilute solution is heated and concentrated into a lithium bromide concentrated solution, the concentrated solution enters an absorber 1-3 through an internal heat recoverer 1-5, meanwhile, refrigerant steam is separated from the lithium bromide solution and enters a condenser 1-1, the refrigerant steam exchanges heat with cooling water in the condenser 1-1 to be condensed into refrigerant water, the refrigerant water in the condenser 1-1 enters an evaporator 1-4 through a throttling device, the refrigerant water in the evaporator 1-4 is driven by a refrigeration evaporation circulating pump 1-6 to circulate, the refrigerant water sprayed on the outer surface of a heat transfer pipe in a dropwise manner is evaporated due to low pressure in the evaporator 1-4, the heat of the water in the heat transfer pipe is absorbed to realize the preparation of the frozen water, the refrigerant steam evaporated in the evaporator 1-4 is absorbed by the lithium bromide concentrated solution in the absorber 1-3, thus the low-pressure environment in the evaporator 1-4 is maintained, meanwhile, the refrigerant steam absorbed by the lithium bromide concentrated solution becomes the lithium bromide solution, the refrigerant steam enters the waste heat recoverer 1-2 to be controlled by the internal heat recoverer 1-5, the internal heat recovery valve is controlled to carry out, and the heat recovery efficiency of the main heat recovery valve is controlled according to the internal heat recovery system is controlled, and the heat recovery efficiency of the internal heat recovery valve is controlled, and the waste heat recovery is controlled according to the internal heat recovery valve is 10.
The switching and operation modes of the heat recovery heating mode are described as follows: the water system cooling and heating switching valve 3-5-3-6 is closed, the water system cooling and heating switching valve 3-7-3-8 is opened, the system internal cooling and heating switching valves 5-1, 5-3 and 5-5 are opened, and the system internal cooling and heating switching valves 5-2 and 5-4 are closed and the control mode is switched to perform the waste heat recovery heating operation mode. The working process of the mode is that low-temperature waste heat of a client enters a waste heat recoverer 1-2 to heat refrigerant water which is dripped in a circulating way from a heating evaporation circulating pump 1-9, the inside of the system is in a negative pressure environment, the refrigerant water is changed into refrigerant steam after being heated, the refrigerant steam enters an evaporator 1-4 through a cold-warm switching valve 5-3 in the inside of the system, the refrigerant steam and hot water in a heat transfer pipe are subjected to heat exchange to prepare heating hot water in the evaporator 1-4, so that the waste heat recovery heating mode operation is realized, and a waste heat control valve 1-10 is regulated and controlled according to the heating load of the system.
Embodiment two:
as shown in fig. 3, another low-temperature waste heat recovery type lithium bromide absorption type cold and hot water system flow chart of the invention is different from the former scheme in that a refrigerant storage 6-1 is added, when a water system cold and warm switching valve 3-7-3-8 is closed, a water system cold and warm switching valve 3-9-3-10 is opened, cold and warm switching valves 5-1, 5-5, 5-6, 5-8 in the system are closed, cold and warm switching valves 5-2, 5-4, 5-7 in the system are opened and a control mode is switched to perform a waste heat recovery refrigeration operation mode, and the operation mode is basically consistent with that of the former scheme and is not repeated. When the water system cooling and heating switching valves 3-7-3-8 are opened, the water system cooling and heating switching valves 3-9-3-10 are closed, the system internal cooling and heating switching valves 5-1, 5-5, 5-6 and 5-8 are opened, the system internal cooling and heating switching valves 5-2, 5-4 and 5-7 are closed and the control mode is switched to carry out the waste heat recovery heating operation mode, the working process of the mode is that the low-temperature waste heat of a client enters the waste heat recoverer 1-2 to heat the refrigerant water which is circulated by the heating evaporation circulating pump 1-9 drops, the system internal is in a negative pressure environment, the refrigerant water is changed into refrigerant steam after being heated, the refrigerant steam enters the condenser 1-1, the refrigerant steam exchanges heat with the hot water in the heat transfer pipe to prepare heating hot water in the condenser 1-1, so that the waste heat recovery heating operation mode is realized, and the waste heat control valve 1-10 carries out adjustment control according to the heating load of the system.
According to the invention, the cooling mode of waste heat recovery in summer and the heating mode of waste heat recovery in winter are realized through the internal switching of the system, and during heating operation, better effect than that of the traditional heating heat exchanger can be realized through the heat transfer of the refrigerant, so that the maximization of waste heat recovery and utilization is realized, the heating heat exchanger is saved, the structure of the waste heat recovery system is simplified, and the investment is saved.
The embodiments described above are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (4)
1. The utility model provides a low temperature waste heat recovery formula lithium bromide absorption formula hot and cold water system, including condenser, waste heat recoverer, absorber, evaporimeter, inside heat recoverer, refrigeration evaporation circulating pump, dilute solution circulating pump, concentrated solution circulating pump, heating evaporation circulating pump, waste heat control valve, waste heat changes in temperature switching valve, water system changes in temperature switching valve, the inside changes in temperature switching valve of system, water system pipeline, refrigerant accumulator, connecting line, air extraction system and control system, this system exists two kinds of operating modes of recovery low temperature waste heat refrigeration and heating, its characterized in that: the evaporator and the absorber are arranged in the same cylinder, the condenser and the waste heat recoverer are arranged in the same cylinder, when the system works in a heating mode, low-temperature waste heat is connected to the waste heat recoverer through a pipeline, refrigerant water in the evaporator is conveyed to a drip device in the waste heat recoverer through a pipeline and a heating evaporation circulating pump, refrigerant steam generated in the waste heat recoverer is conveyed to the evaporator through a pipeline, heating hot water is obtained through heat exchange between the refrigerant steam and heating water in a heat transfer pipe of the evaporator, and a refrigerant water return pipeline is connected between the waste heat recoverer and the evaporator.
2. The utility model provides a low temperature waste heat recovery formula lithium bromide absorption formula hot and cold water system, including condenser, waste heat recoverer, absorber, evaporimeter, inside heat recoverer, refrigeration evaporation circulating pump, dilute solution circulating pump, concentrated solution circulating pump, heating evaporation circulating pump, waste heat control valve, waste heat changes in temperature switching valve, water system changes in temperature switching valve, the inside changes in temperature switching valve of system, water system pipeline, refrigerant accumulator, connecting line, air extraction system and control system, this system exists and retrieves two kinds of operating modes of low temperature waste heat refrigeration and heating its characterized in that: the evaporator and the absorber are arranged in the same cylinder, the condenser and the waste heat recoverer are arranged in the same cylinder, when the system works in a heating mode, low-temperature waste heat is connected to the waste heat recoverer through a pipeline, the lithium bromide absorption type cold and hot water system further comprises a cold agent storage, cold agent water is from the cold agent storage, the cold agent water in the cold agent storage is conveyed to a drip device in the waste heat recoverer through a pipeline and a heating evaporation circulating pump, the cold agent steam generated in the waste heat recoverer enters the condenser, the cold agent steam exchanges heat with the heating water in a heat transfer pipe of the condenser to obtain heating hot water, and a cold agent water return pipeline is connected between the waste heat recoverer and the cold agent storage.
3. A low temperature waste heat recovery type lithium bromide absorption cold and hot water system according to claim 1 or 2, wherein: the refrigerating and heating modes of the lithium bromide absorption type cold and hot water system can be automatically or manually switched through the cold and hot switching valve arranged on the internal connecting pipeline of the system.
4. A low temperature waste heat recovery type lithium bromide absorption cold and hot water system according to claim 1 or 2, wherein: the low-temperature waste heat comprises low-temperature water, heat conduction oil, flue gas, low-pressure steam and exhaust steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810273025.7A CN108387024B (en) | 2018-03-29 | 2018-03-29 | Low-temperature waste heat recovery type lithium bromide absorption type hot and cold water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810273025.7A CN108387024B (en) | 2018-03-29 | 2018-03-29 | Low-temperature waste heat recovery type lithium bromide absorption type hot and cold water system |
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| Publication Number | Publication Date |
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| CN108387024A CN108387024A (en) | 2018-08-10 |
| CN108387024B true CN108387024B (en) | 2024-04-12 |
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| CN111520695B (en) * | 2020-05-09 | 2022-10-21 | 中国东方电气集团有限公司 | Comprehensive utilization system for recycling flue gas waste heat of aluminum electrolysis cell |
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| CN1932414A (en) * | 2006-08-08 | 2007-03-21 | 大连三洋制冷有限公司 | Steam or hot water type lithium bromide absorption cooling and warming water machine |
| CN2884057Y (en) * | 2006-03-28 | 2007-03-28 | 大连三洋制冷有限公司 | Steam/direct combustion dual energy lithium bromide absorption type cold and warm water machine |
| JP2011112272A (en) * | 2009-11-26 | 2011-06-09 | Kawasaki Thermal Engineering Co Ltd | Method and device for heating and cooling |
| JP2011202948A (en) * | 2011-06-06 | 2011-10-13 | Sanyo Electric Co Ltd | Absorption refrigerating machine |
| CN106482382A (en) * | 2016-11-14 | 2017-03-08 | 双良节能系统股份有限公司 | Direct combustion type first class lithium bromide absorptive heat pump unit with direct heating |
| CN107178928A (en) * | 2017-06-23 | 2017-09-19 | 松下制冷（大连）有限公司 | A kind of exhaust heat of slag flushing water extraction type cold/hot water machine of lithium bromide group |
-
2018
- 2018-03-29 CN CN201810273025.7A patent/CN108387024B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2525443Y (en) * | 2001-12-04 | 2002-12-11 | 江苏双良空调设备股份有限公司 | Two Purpose second class lithium bromide absorptice heat pump |
| CN2884057Y (en) * | 2006-03-28 | 2007-03-28 | 大连三洋制冷有限公司 | Steam/direct combustion dual energy lithium bromide absorption type cold and warm water machine |
| CN1932414A (en) * | 2006-08-08 | 2007-03-21 | 大连三洋制冷有限公司 | Steam or hot water type lithium bromide absorption cooling and warming water machine |
| JP2011112272A (en) * | 2009-11-26 | 2011-06-09 | Kawasaki Thermal Engineering Co Ltd | Method and device for heating and cooling |
| JP2011202948A (en) * | 2011-06-06 | 2011-10-13 | Sanyo Electric Co Ltd | Absorption refrigerating machine |
| CN106482382A (en) * | 2016-11-14 | 2017-03-08 | 双良节能系统股份有限公司 | Direct combustion type first class lithium bromide absorptive heat pump unit with direct heating |
| CN107178928A (en) * | 2017-06-23 | 2017-09-19 | 松下制冷（大连）有限公司 | A kind of exhaust heat of slag flushing water extraction type cold/hot water machine of lithium bromide group |
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|---|---|
| CN108387024A (en) | 2018-08-10 |
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