CN109737637B - Energy-saving system of lithium bromide absorption refrigerator - Google Patents
Energy-saving system of lithium bromide absorption refrigerator Download PDFInfo
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- CN109737637B CN109737637B CN201910048974.XA CN201910048974A CN109737637B CN 109737637 B CN109737637 B CN 109737637B CN 201910048974 A CN201910048974 A CN 201910048974A CN 109737637 B CN109737637 B CN 109737637B
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- 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
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- 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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- 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
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Abstract
The invention relates to the technical field of lithium bromide absorption refrigeration, and particularly provides an energy-saving system of a lithium bromide absorption refrigerator, which comprises at least one hot water source heat pump, a first heating water source heat pump, a second heating water source heat pump, a heat collection water tank, a cooling water tank and a lithium bromide absorption refrigerator set, wherein the hot water source heat pump is connected with the heat collection water tank, the first heating water source heat pump is connected with the heat collection water tank and the lithium bromide absorption refrigerator set, the second heating water source heat pump is connected with the heat collection water tank, the cooling water tank and the lithium bromide absorption refrigerator set, the heat collection water tank and the cooling water tank are both connected with the lithium bromide absorption refrigerator set and an external soft water system, and a refrigeration side of the lithium bromide absorption refrigerator set is connected with a cold supply tail end. The system can fully recycle the heat of the lithium bromide absorption refrigerating unit to increase the heating efficiency, can avoid the evaporation of water and the consumption of electric energy during cooling, reduces the energy consumption cost of the system while improving the operation efficiency of the system, and realizes the energy conservation and environmental protection of the system.
Description
Technical Field
The invention relates to the technical field of lithium bromide absorption refrigeration, in particular to an energy-saving system of a lithium bromide absorption refrigerator.
Background
With the progress of science and technology, the lithium bromide absorption refrigeration system has simple equipment and low requirement on heat energy, can utilize various low potential heat energy, such as hot water with the temperature higher than 75 ℃, geothermal energy, solar energy and the like, and is beneficial to the comprehensive utilization of heat sources, so the operation cost is low. If various waste gases and waste heat are used for refrigeration, a large amount of cold sources can be obtained almost without spending operation cost, the energy-saving effect is good, the economy is high, and the whole refrigeration device has no other moving parts except a shielding pump with small power, so the vibration is small, the noise is low, and the operation is quiet. The refrigerating machine uses lithium bromide solution as working medium, operates in vacuum state, is odorless, nontoxic, safe and reliable, is praised as pollution-free refrigerating equipment, is beneficial to meeting the requirement of environmental protection, is simple and convenient to install, has low requirement on installation foundation, does not need special machine base, and is widely applied to industry.
The lithium bromide absorption refrigerating unit can also be used for cooling the project air conditioner terminal equipment, so that the energy consumption is reduced while the refrigeration requirement of the air conditioner is furthest improved. At present, in a traditional lithium bromide absorption refrigeration system, cooling water is generally cooled by a cooling tower and then is sent into a lithium bromide machine refrigeration unit to take away heat of the lithium bromide machine unit. However, the inventor of the present invention has found through research that cooling water by using a cooling tower not only evaporates the water amount of the cooling water and consumes electric energy, but also wastes heat of the lithium bromide refrigeration unit.
Disclosure of Invention
The invention provides an energy-saving system of a lithium bromide absorption refrigerator, aiming at the technical problems that cooling water is cooled by a cooling tower in the existing lithium bromide absorption refrigerator system, the water quantity and the electric energy consumption of the cooling water can be evaporated, and the heat of a lithium bromide refrigerator unit is wasted.
In order to solve the technical problems, the invention adopts the following technical scheme:
an energy-saving system of a lithium bromide absorption refrigerator comprises at least one hot water supply source heat pump, a first heating water source heat pump, a second heating water source heat pump, a heat collection water tank, a cooling water tank and a lithium bromide absorption refrigerator set, wherein the hot water supply source heat pump, the first heating water source heat pump and the second heating water source heat pump are arranged in parallel, the hot water supply source heat pump and the first heating water source heat pump are used for extracting an external heat source to exchange heat with a user side water source and then conveying the user side hot water to the heat collection water tank for storage, the second heating water source heat pump is used for extracting a condensation outlet of the lithium bromide absorption refrigerator set to convey the heat source to exchange heat with the user side water source and then conveying the user side hot water to the heat collection water tank for storage, and conveying the cooling water after the heat exchange of the water source side to the cooling water tank for storage, water replenishing ports of the heat collection water tank and the cooling water tank are, the water from the circulating water outlet of the heat collecting water tank is conveyed to the user side of a hot water supply source heat pump through a pipeline and a pipeline accessory which is arranged on the pipeline and comprises a heat collecting water tank heating circulating water pump, the water outlet of the heat collecting water tank is connected with the hot water side of a lithium bromide absorption refrigerating unit through a pipeline and a pipeline accessory which is arranged on the pipeline and comprises a lithium bromide hot water side circulating water pump, the hot water conveyed by the water outlet of the heat collecting water tank is conveyed to the user sides of a first heating water source heat pump and a second heating water source heat pump through a pipeline and cold water after heat exchange of the hot water side of the lithium bromide absorption refrigerating unit, the water outlet of the cooling water tank is connected with a cold water port of the lithium bromide absorption refrigerating unit through a pipeline and a pipeline accessory which is arranged on the pipeline and comprises an air conditioner cold supply circulating water pump, and the cold supply end of the lithium bromide absorption refrigerating unit are connected through a pipeline and a pipeline The water is subjected to heat exchange and refrigeration.
Compared with the prior art, the energy-saving system of the lithium bromide absorption refrigerator provided by the invention has the following advantages: 1. the cooling water is used for removing the heat of the lithium bromide absorption refrigerating unit and then is sent to the water source side of the second heating water source heat pump to heat the circulating hot water at the user side of the second heating water source heat pump, the heated circulating hot water at the user side of the second heating water source heat pump is sent back to the heat collection water tank and then continues to serve as the heat source of the lithium bromide absorption refrigerating unit, so that the heat of the lithium bromide absorption refrigerating unit is fully utilized, and the heating efficiency of the hot water is improved; 2. the cooling water on the water source side of the second heating water source heat pump is subjected to heat exchange and then is sent back to the cooling water tank, and the cooling water tank is utilized to fully recover the cooling water, so that the heat of the lithium bromide absorption refrigerating unit is recovered, and the evaporation of water quantity and the consumption of electric energy during the operation of the cooling tower in the prior art when the cooling tower is utilized to cool the cooling water are avoided; 3. the system can be used in parallel with solar energy and other energy systems, namely, the circulating hot water of the heat collection water tank is heated and kept at a constant temperature by extracting heat sources of the solar energy and other energy systems through the hot water supply heat pump and the first heating water source heat pump, so that the heating efficiency of the hot water in the heat collection water tank is increased, the full utilization of energy is achieved, the energy consumption cost of the system is reduced, the operation efficiency is improved, and the energy conservation and ecological environmental protection of the system are promoted finally.
Furthermore, a temperature sensor suitable for detecting the water temperature of the water tank and a liquid level sensor for detecting the water level of the water tank are arranged on the heat collection water tank and the cooling water tank.
Further, the heat collection water tank and the cooling water tank are both stainless steel water tanks.
Further, the lithium bromide absorption refrigerating unit is a warm water type lithium bromide absorption refrigerating unit.
Drawings
Fig. 1 is a schematic flow chart of an energy-saving system of a lithium bromide absorption refrigerator provided by the invention.
In the figure, 1, a hot water supply source heat pump; 2. a first heating water source heat pump; 3. a second heating water source heat pump; 4. a heat collecting water tank; 5. a cooling water tank; 6. a lithium bromide absorption refrigeration unit; 7. a water replenishing valve; 8. the heat collection water tank heats the circulating water pump; 9. a lithium bromide hot water side circulating water pump; 10. a cooling water circulating water pump; 11. an air conditioner cooling circulating water pump; 12. a temperature sensor; 13. a liquid level sensor.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the invention provides an energy-saving system for a lithium bromide absorption refrigerator, comprising at least one hot water supply heat pump 1, a first heating water source heat pump 2, a second heating water source heat pump 3, a heat collection water tank 4, a cooling water tank 5 and a lithium bromide absorption refrigerator set 6, wherein the hot water supply heat pump 1, the first heating water source heat pump 2 and the second heating water source heat pump 3 are arranged in parallel, the hot water supply heat pump 1 and the first heating water source heat pump 2 are used for extracting an external heat source (such as a solar water heater) to perform heat exchange on a user side (i.e. a secondary side) water source and then conveying the user side hot water to the heat collection water tank 4 for storage, the second heating water source heat pump 3 is used for extracting a condensation outlet of the lithium bromide absorption refrigerator set 6 to convey a heat source to perform heat exchange on the user side water source and then conveying the user side hot water to the heat collection water tank 4 for storage, and conveying cooling water after the heat exchange on, namely, the heat collecting water tank 4 is used for storing circulating hot water to provide a heat source for the lithium bromide absorption refrigerating unit 6, the cooling water tank 5 is used for storing cooling water which is discharged from a condensation outlet of the lithium bromide absorption refrigerating unit and subjected to heat exchange at a water source side of the second heating water source heat pump 3 to serve as a cooling water source of the lithium bromide absorption refrigerating unit 6, water replenishing ports of the heat collecting water tank 4 and the cooling water tank 5 are connected with an external existing soft water system through a pipeline and a water replenishing valve 7 arranged on the pipeline so as to replenish water into the heat collecting water tank 4 and the cooling water tank 5 through the soft water system, water discharged from a circulating water outlet of the heat collecting water tank 4 is conveyed to a user side of the hot water source heat pump 1 through the pipeline and a pipeline accessory which is arranged on the pipeline and comprises a heat collecting water tank heating circulating water pump 8, namely, the hot water initially added into the heat collecting water tank 4 or hot water can be pumped into the hot water supply hot water The user side of the source heat pump 1 exchanges heat, hot water after the heat exchange of the user side is conveyed to the heat collection water tank 4 to be stored, a water outlet of the heat collection water tank 4 is connected with the hot water side of the lithium bromide absorption refrigerating unit 6 through a pipeline and a pipeline accessory which is arranged on the pipeline and contains a lithium bromide hot water side circulating water pump 9, hot water conveyed by the water outlet of the heat collection water tank 4 is conveyed to the user sides of the first heating water source heat pump 2 and the second heating water source heat pump 3 through cold water after the heat exchange of the hot water side of the lithium bromide absorption refrigerating unit 6, namely, water after the heat exchange of the hot water conveyed by the water outlet of the heat collection water tank 4 through the hot water side of the lithium bromide absorption refrigerating unit 6 is used as a user side water source of the first heating water source heat pump 2 and the second heating water source heat pump 3, the lithium bromide hot water side circulating water pump 9 is mainly used, the water outlet of the cooling water tank 5 is connected with the cold water port of the lithium bromide absorption refrigerating unit 6 through a pipeline and a pipeline accessory which is arranged on the pipeline and contains a cooling water circulating water pump 10, the cooling water circulating water pump 10 mainly has the function of conveying cooling water to the lithium bromide absorption refrigerating unit to serve as a power source for cooling the cooling water of the lithium bromide absorption refrigerating unit 6, the refrigerating side of the lithium bromide absorption refrigerating unit 6 is connected with the cooling end through a pipeline and a pipeline accessory which is arranged on the pipeline and contains an air conditioner cooling circulating water pump 11 to supply water to the air conditioner end for heat exchange and refrigeration, the air conditioner cooling circulating water pump 11 mainly serves as a power source for supplying water to the air conditioner end to convey chilled water to the air conditioner end, the condensation outlet of the lithium bromide absorption refrigerating unit 6 is connected with the water source side of the second heating water source heat pump 3, the warm water output from the condensation outlet of the lithium bromide absorption refrigeration unit 6 is used as the extraction heat source at the water source side of the second heating water source heat pump 3. According to the solar heat collection water tank, circulating hot water can be heated at a constant temperature and then conveyed to the heat collection water tank 4 for storage through the hot water supply heat pump 1, the first heating water source heat pump 2 and the second heating water source heat pump 3, so that the heating efficiency of the hot water in the heat collection water tank 4 is increased, and the full utilization of energy is achieved.
Compared with the prior art, the energy-saving system of the lithium bromide absorption refrigerator provided by the invention has the following advantages: 1. the cooling water is used for removing the heat of the lithium bromide absorption refrigerating unit and then is sent to the water source side of the second heating water source heat pump to heat the circulating hot water at the user side of the second heating water source heat pump, the heated circulating hot water at the user side of the second heating water source heat pump is sent back to the heat collection water tank and then continues to serve as the heat source of the lithium bromide absorption refrigerating unit, so that the heat of the lithium bromide absorption refrigerating unit is fully utilized, and the heating efficiency of the hot water is improved; 2. the cooling water on the water source side of the second heating water source heat pump is subjected to heat exchange and then is sent back to the cooling water tank, and the cooling water tank is utilized to fully recover the cooling water, so that the heat of the lithium bromide absorption refrigerating unit is recovered, and the evaporation of water quantity and the consumption of electric energy during the operation of the cooling tower in the prior art when the cooling tower is utilized to cool the cooling water are avoided; 3. the system can be used in parallel with solar energy and other energy systems, namely, the circulating hot water of the heat collection water tank is heated and kept at a constant temperature by extracting heat sources of the solar energy and other energy systems through the hot water supply heat pump and the first heating water source heat pump, so that the heating efficiency of the hot water in the heat collection water tank is increased, the full utilization of energy is achieved, the energy consumption cost of the system is reduced, the operation efficiency is improved, and the energy conservation and ecological environmental protection of the system are promoted finally.
As a specific embodiment, the hot water supply source heat pump 1, the first heating water source heat pump 2 and the second heating water source heat pump 3 all adopt high-temperature water source heat pumps, and the condenser and the dry evaporator of the high-temperature water source heat pump unit all adopt high-efficiency heat transfer tubes, so that the heating efficiency of circulating water in the heat collection water tank 4 can be improved.
As a specific embodiment, please refer to fig. 1, a temperature sensor 12 adapted to detect a water temperature of the water tank and a liquid level sensor 13 adapted to detect a water level of the water tank are disposed on the heat collecting water tank 4 and the cooling water tank 5, specifically, the temperature sensor 12 is used for detecting and displaying the water temperature in the heat collecting water tank 4 and the cooling water tank 5, when the temperature sensor 12 detects that the water temperature of the heat collecting water tank 4 is lower than a set value, the heat collecting water tank heating circulation water pump 8 starts to perform heating circulation on hot water, and when the water temperature of the heat collecting water tank 4 reaches the set temperature, the heat collecting water tank heating circulation water pump 8 stops; the liquid level sensor 13 is used for detecting the water level in the heat collection water tank 4 and the cooling water tank 5, the water replenishing valve 7 is opened to replenish water to the water tank when the water level is insufficient, the water replenishing valve is automatically closed after the water level reaches a set standard, and a drainage pipeline connected with the side wall of the water tank can be opened to drain water when the water level exceeds the set water level.
As a specific embodiment, the heat collecting water tank 4 and the cooling water tank 5 both adopt stainless steel water tanks, so that the solar water heater has the advantages of strong corrosion resistance, super-high strength, light weight, good sealing property and the like, and can ensure that the water quality is not subjected to secondary pollution; meanwhile, the stainless steel water tank is combined on the whole welding site, is convenient to clean, has clean and tidy appearance, is bright, attractive and practical, and is used for storing hot water and cooling water of the system.
As a specific embodiment, the lithium bromide absorption refrigeration unit 6 is a warm water type lithium bromide absorption refrigeration unit which uses heat as power, has the characteristics of less electric energy consumption, low requirement on a heat source, small vibration, low noise, wide refrigeration range, simple and convenient installation and the like, operates in vacuum, is odorless, nontoxic and free of explosive danger, so that the temperature of a hot water inlet side can reach 75-85 ℃, the temperature of a refrigeration side outlet water can reach 7-12 ℃, the temperature of the outlet water can reach 38 ℃ under the general condition of a condensation water outlet, and the temperature of the inlet water of a cold water inlet can reach 32 ℃. The refrigeration principle of the lithium bromide absorption refrigerator set 6 is well known to those skilled in the art, and thus will not be described herein.
As a specific embodiment, the water pumps used in the system are mainly used for hot water heating circulation, hot water circulation of the lithium bromide absorption refrigerating unit, cooling water circulation and cooling water circulation at the cold supply end, and therefore the water pumps are all made of stainless steel materials and are high in corrosion resistance and high temperature resistance. The heat collection water tank heating circulating water pump 8 and the lithium bromide hot water side circulating water pump 9 are required to be high temperature resistant, and the heat collection water tank heating circulating water pump 8 is used for conveying circulating hot water to the circulating side of the hot water supply source heat pump 1 so as to heat the circulating hot water, preferably one is used and the other is standby; the lithium bromide hot water side circulating water pump 9 is used for conveying hot water in the heat collecting water tank 4 to a hot water side of the lithium bromide absorption refrigerating unit to serve as a starting source of lithium bromide equipment; the cooling water circulating water pump 10 is used for conveying cooling water in the cooling water tank 5 to a cooling water inlet end of the lithium bromide absorption refrigerating unit, the air conditioner cooling circulating water pump 11 is used for conveying water refrigerated by the lithium bromide absorption refrigerating unit to the tail end of an air conditioner for cooling, and the flow and the lift of each water pump can be determined by a person skilled in the art according to actual conditions.
As a specific embodiment, the water passing part of the pipeline and the pipeline accessories (comprising the existing common devices such as a water pump, a pipe fitting valve, a pressure gauge and the like) is made of stainless steel, and the stainless steel has corrosion resistance and better intercrystalline corrosion resistance, also has good corrosion resistance to alkali solution and most of organic acid and inorganic acid, and is high alloy steel capable of resisting corrosion in air or chemical corrosion medium.
For better understanding of the energy-saving system of the lithium bromide absorption refrigerator provided by the application, the process flow of the system will be briefly described as follows:
1. a hot water circulating system: firstly, a heat energy system collects hot water → a hot water supply source heat pump 1 → a heat collection water tank 4 → a heat collection water tank heating circulating water pump 8 → a hot water supply source heat pump 1 on the user side → the heat collection water tank 4; secondly, the heat collection water tank 4 → the lithium bromide hot water side circulating water pump 9 → the lithium bromide absorption refrigerating unit 6 hot water side → the heating water source heat pump user side → the heat collection water tank 4;
2. the lithium bromide absorption refrigerating unit cooling water circulation system: firstly, condensed outlet water of the lithium bromide absorption refrigerating unit 6 → the water source side of the second heating water source heat pump 3 → the cooling water tank 5 → the cooling water circulating water pump 10 → the cooling water inlet side of the lithium bromide absorption refrigerating unit 6; ②, the frozen water outlet side of the lithium bromide absorption refrigerating unit 6 → the air conditioner cooling circulating water pump 11 → the end air conditioner → the frozen water return side of the lithium bromide absorption refrigerating unit 6.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (4)
1. An energy-saving system of a lithium bromide absorption refrigerator is characterized by comprising at least one hot water supply source heat pump, a first heating water source heat pump, a second heating water source heat pump, a heat collection water tank, a cooling water tank and a lithium bromide absorption refrigerator set, wherein the hot water supply source heat pump, the first heating water source heat pump and the second heating water source heat pump are arranged in parallel, the hot water supply source heat pump and the first heating water source heat pump are used for extracting an external heat source to exchange heat with a user side water source and then conveying the user side hot water to the heat collection water tank for storage, the second heating water source heat pump is used for extracting a condensation outlet of the lithium bromide absorption refrigerator set to convey a heat source to exchange heat with the user side water source and then conveying the user side hot water to the heat collection water tank for storage, cooling water after the heat exchange of the water source side is conveyed to the cooling water tank for storage, water replenishing ports of the heat collection water tank and the cooling water tank are connected with, the water from the circulating water outlet of the heat collecting water tank is conveyed to the user side of a hot water supply source heat pump through a pipeline and a pipeline accessory which is arranged on the pipeline and comprises a heat collecting water tank heating circulating water pump, the water outlet of the heat collecting water tank is connected with the hot water side of a lithium bromide absorption refrigerating unit through a pipeline and a pipeline accessory which is arranged on the pipeline and comprises a lithium bromide hot water side circulating water pump, the hot water conveyed by the water outlet of the heat collecting water tank is conveyed to the user sides of a first heating water source heat pump and a second heating water source heat pump through a pipeline and cold water after heat exchange of the hot water side of the lithium bromide absorption refrigerating unit, the water outlet of the cooling water tank is connected with a cold water port of the lithium bromide absorption refrigerating unit through a pipeline and a pipeline accessory which is arranged on the pipeline and comprises an air conditioner cold supply circulating water pump, and the cold supply end of the lithium bromide absorption refrigerating unit are connected through a pipeline and a pipeline The water is subjected to heat exchange and refrigeration.
2. The energy saving system of claim 1, wherein the heat collecting water tank and the cooling water tank are provided with a temperature sensor adapted to detect the water temperature of the water tank and a liquid level sensor adapted to detect the water level of the water tank.
3. The energy saving system of the lithium bromide absorption refrigerator according to claim 1, wherein the heat collecting water tank and the cooling water tank are both stainless steel water tanks.
4. The energy-saving system of a lithium bromide absorption refrigerator according to claim 1, wherein the lithium bromide absorption refrigerator unit is a warm water type lithium bromide absorption refrigerator unit.
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KR100379855B1 (en) * | 1995-07-31 | 2003-06-27 | 삼중테크 주식회사 | Absorption heat pump apparatus of complex type using thermal waters |
CN202304087U (en) * | 2011-09-29 | 2012-07-04 | 李同强 | Energy-saving multifunctional air-conditioning water heater all-in-one machine |
CN103423916B (en) * | 2013-08-06 | 2015-04-29 | 柳州职业技术学院 | Low-grade heat energy recycling device |
CN204829983U (en) * | 2015-07-29 | 2015-12-02 | 思安新能源股份有限公司 | Condensation heat recovery system |
CN106051885B (en) * | 2016-06-20 | 2018-11-27 | 华中科技大学 | One kind recycling the controllable energy supplying system of multiple-energy-source based on water |
CN106247670A (en) * | 2016-08-24 | 2016-12-21 | 张福 | Floor heating refrigeration lithium bromide machine system and method for work thereof |
CN106369873A (en) * | 2016-08-29 | 2017-02-01 | 新奥泛能网络科技股份有限公司 | Heat pump smoke waste heat recycling system of gas engine |
KR101851231B1 (en) * | 2017-04-19 | 2018-04-23 | (주)월드이엔씨 | Absorption type heat pump system for gaining high temperature |
CN107327838A (en) * | 2017-08-09 | 2017-11-07 | 青岛理工大学 | Low-temperature waste heat recovery heat supply method for cooling water of slag cooler |
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