CN211782087U - A central air conditioner for increasing efficiency and reducing emissions - Google Patents
A central air conditioner for increasing efficiency and reducing emissions Download PDFInfo
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Abstract
一种增效减排节能中央空调，属于中央空调设备技术领域；采用溴化锂为吸收剂，水为制冷剂，利用压缩冷凝机组冷凝热源，以热源换取冷量方式，能效比原来的三倍提高到五倍，将原中央空调压缩冷凝机组冷凝热源收集利用，不排放到环境中去，不影响环境温度升高，实现增效减排的效果。
An efficiency-enhancing, emission-reducing, energy-saving central air conditioner belongs to the technical field of central air-conditioning equipment; lithium bromide is used as an absorbent, water is used as a refrigerant, a compression condensing unit is used to condense a heat source, and the heat source is exchanged for cooling capacity, and the energy efficiency is three times higher than the original. Five times, the condensing heat source of the original central air-conditioning compression condensing unit is collected and utilized, and is not discharged into the environment, which does not affect the increase of the ambient temperature, and achieves the effect of increasing efficiency and reducing emissions.
Description
技术领域technical field
本实用新型属于中央空调设备技术领域，具体是涉及一种增效减排节能中央空调。The utility model belongs to the technical field of central air-conditioning equipment, in particular to an efficiency-enhancing, emission-reducing and energy-saving central air-conditioning.
背景技术Background technique
压缩机吸入从蒸发器出来的较低压力的工质蒸汽，使之压力升高后送入冷凝器，在冷凝器中冷凝成压力较高的液体，经节流阀节流后，成为压力较低的液体后，送入蒸发器，在蒸发器中吸热蒸发而成为压力较低的蒸汽，从而完成制冷循环。The compressor sucks in the lower pressure working medium vapor from the evaporator, raises the pressure and then sends it to the condenser, where it condenses into a liquid with a higher pressure, and after being throttled by the throttle valve, it becomes a liquid with a higher pressure. After the low liquid is sent to the evaporator, it absorbs heat and evaporates in the evaporator to become steam with a lower pressure, thereby completing the refrigeration cycle.
但是，现有技术中压缩机冷凝机组运行时工质会产生较高的温度，高温工质通过换热器将废热散发到环境空气中，导致废热不能被充分利用。However, in the prior art, the working fluid of the compressor condensing unit will generate a relatively high temperature during operation, and the high-temperature working fluid will dissipate the waste heat into the ambient air through the heat exchanger, so that the waste heat cannot be fully utilized.
发明内容SUMMARY OF THE INVENTION
本实用新型主要是解决上述现有技术所存在的技术问题，提供一种增效减排节能中央空调。The utility model mainly solves the technical problems existing in the above-mentioned prior art, and provides an efficiency-enhancing, emission-reducing and energy-saving central air conditioner.
本实用新型的上述技术问题主要是通过下述技术方案得以解决的：一种增效减排节能中央空调，包括压缩冷凝机组和冷凝热回收系统，所述压缩冷凝机组包括压缩机、第一热交换器、节流装置、第一蒸发器和汽液分离器，所述冷凝热回收系统包括发生器、蒸发吸收器组、第二热交换器、溶液循环泵、U形节流管、抽气装置和冷冻水循环泵；The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: an efficiency-enhancing, emission-reducing, energy-saving central air conditioner, comprising a compression condensing unit and a condensation heat recovery system, wherein the compression and condensing unit includes a compressor, a first heat An exchanger, a throttling device, a first evaporator and a vapor-liquid separator, the condensation heat recovery system includes a generator, an evaporative absorber group, a second heat exchanger, a solution circulation pump, a U-shaped choke pipe, and an air extraction system. installations and chilled water circulation pumps;
所述第一热交换器的内部设有第一热交换管和第二热交换管，所述第一蒸发器的内部设有第一换热管和第二换热管，所述压缩机、第一换热管、第二换热管、第一热交换管和第二热交换管、节流装置、第一蒸发器和汽液分离器均设有进口端和出口端，所述压缩机的出口端与第一热交换管的进口端连接，所述第一热交换管的出口端与节流装置的进口端连接，所述节流装置的出口端与第一换热管的进口端连接，所述第一换热管的出口端与汽液分离器的进口端连接，所述汽液分离器的出口端与压缩机的进口端连接；The inside of the first heat exchanger is provided with a first heat exchange tube and a second heat exchange tube, the inside of the first evaporator is provided with a first heat exchange tube and a second heat exchange tube, the compressor, The first heat exchange tube, the second heat exchange tube, the first heat exchange tube and the second heat exchange tube, the throttling device, the first evaporator and the vapor-liquid separator are all provided with an inlet end and an outlet end, and the compressor The outlet end of the first heat exchange tube is connected to the inlet end of the first heat exchange tube, the outlet end of the first heat exchange tube is connected to the inlet end of the throttling device, and the outlet end of the throttling device is connected to the inlet end of the first heat exchange tube connection, the outlet end of the first heat exchange tube is connected with the inlet end of the vapor-liquid separator, and the outlet end of the vapor-liquid separator is connected with the inlet end of the compressor;
所述发生器的内部设有第一喷淋管和发生器盘管，所述发生器的右侧设有冷凝器，所述冷凝器包括冷凝器进口端、冷凝器出口端、冷凝器换热管和冷凝器换热翅片，所述冷凝换热管的上端与冷凝器进口端连接，所述冷凝换热管的下端与冷凝器出口端连接，所述冷凝器换热翅片设于冷凝器换热管的外侧，所述蒸发吸收器组的内部设有第二喷淋管、蒸发器盘管、第三喷淋管和吸收器盘管，所述第二热交换器内设有第三热交换管和第四热交换管，所述第三热交换管、第四热交换管、发生器盘管、蒸发器盘管、吸收器盘管、溶液循环泵、U形节流管和冷冻水循环泵均设有进口端和出口端，所述第一喷淋管设于发生器内部的上侧，所述发生器盘管设于第一喷淋管的下方，所述第二喷淋管设于蒸发吸收器组内部的上侧，所述蒸发器盘管设于第二喷淋管的下方，所述第三喷淋管设于蒸发器盘管的下方，所述吸收器盘管设于第三喷淋管的下方，所述发生器盘管的进口端与第二热交换管的出口端连接，所述发生器盘管的出口端与第一喷淋管连接，所述冷凝器进口端的左侧与发生器的右上侧连接，所述冷凝器出口端与U形节流管的进口端连接，所述U形节流管的出口端与第二喷淋管连接，所述蒸发器盘管的出口端与第二换热管的进口端连接，所述第二换热管的出口端与冷冻水循环泵的进口端连接，所述冷冻水循环泵的出口端与蒸发器盘管的进口端连接，所述溶液循环泵的进口端与蒸发吸收器组的底部连接，所述溶液循环泵的出口端与吸收器盘管的进口端连接，所述蒸发吸收器组的右侧设有吸收器冷却盘管，所述吸收器冷却盘管设有冷却盘管进口端和冷却盘管出口端，所述吸收器盘管的出口端与冷却盘管进口端连接，所述冷却盘管出口端与第三热交换管的进口端连接，所述吸收器冷却盘管的外侧设有吸收器换热翅片，所述吸收器换热翅片和冷凝器换热翅片的右侧均设有冷却风机，所述第三热交换管的出口端与第二热交换管的进口端连接，所述第四热交换管的进口端与发生器的底部连接，所述第四热交换管的出口端与第三喷淋管连接，所述第一喷淋管的下侧设有若干发生器喷头，所述第二喷淋管的下侧设有若干蒸发器滴淋头，所述第三喷淋管的下侧设有吸收器滴淋头，所述发生器的上侧和蒸发吸收器组的上侧均设有抽气管，所述抽气管连接抽气装置。The inside of the generator is provided with a first spray pipe and a generator coil, the right side of the generator is provided with a condenser, the condenser includes a condenser inlet end, a condenser outlet end, a condenser heat exchange tube and condenser heat exchange fins, the upper end of the condensation heat exchange tube is connected to the inlet end of the condenser, the lower end of the condensation heat exchange tube is connected to the outlet end of the condenser, and the condenser heat exchange fins are arranged at the condenser The outside of the evaporator heat exchange tube, the inside of the evaporation absorber group is provided with a second spray pipe, an evaporator coil, a third spray pipe and an absorber coil, and the second heat exchanger is provided with a second spray pipe, an evaporator coil, a third spray pipe and an absorber coil. Three heat exchange tubes and a fourth heat exchange tube, the third heat exchange tube, the fourth heat exchange tube, the generator coil, the evaporator coil, the absorber coil, the solution circulation pump, the U-shaped throttle and The chilled water circulating pump is provided with an inlet end and an outlet end, the first spray pipe is arranged on the upper side of the generator, the generator coil is arranged below the first spray pipe, the second spray pipe The pipe is arranged on the upper side of the inside of the evaporation absorber group, the evaporator coil is arranged under the second spray pipe, the third spray pipe is arranged under the evaporator coil, and the absorber coil is arranged Located below the third spray pipe, the inlet end of the generator coil is connected to the outlet end of the second heat exchange pipe, the outlet end of the generator coil is connected to the first spray pipe, the condensation The left side of the inlet end of the condenser is connected with the upper right side of the generator, the outlet end of the condenser is connected with the inlet end of the U-shaped throttle pipe, the outlet end of the U-shaped throttle pipe is connected with the second spray pipe, the The outlet end of the evaporator coil is connected with the inlet end of the second heat exchange tube, the outlet end of the second heat exchange tube is connected with the inlet end of the chilled water circulating pump, and the outlet end of the chilled water circulating pump is connected with the evaporator coil The inlet end of the solution circulation pump is connected to the bottom of the evaporation absorber group, the outlet end of the solution circulation pump is connected to the inlet end of the absorber coil, and the right side of the evaporation absorber group is set. There is an absorber cooling coil, the absorber cooling coil is provided with an inlet end of the cooling coil and an outlet end of the cooling coil, the outlet end of the absorber coil is connected with the inlet end of the cooling coil, the cooling coil is The outlet end is connected to the inlet end of the third heat exchange tube, the absorber heat exchange fins are provided on the outside of the absorber cooling coil, and the right sides of the absorber heat exchange fins and the condenser heat exchange fins are both A cooling fan is provided, the outlet end of the third heat exchange tube is connected to the inlet end of the second heat exchange tube, the inlet end of the fourth heat exchange tube is connected to the bottom of the generator, and the fourth heat exchange tube is connected to the bottom of the generator. The outlet end of the first spray pipe is connected with a third spray pipe, the lower side of the first spray pipe is provided with a number of generator spray heads, the lower side of the second spray pipe is provided with a number of evaporator drip heads, the first spray pipe The lower side of the three spray pipes is provided with an absorber dripping head, and the upper side of the generator and the upper side of the evaporative absorber group are provided with air extraction pipes, and the air extraction pipes are connected to the air extraction device.
作为优选，所述发生器和蒸发吸收器组均为密封结构。Preferably, both the generator and the evaporative absorber group are sealed structures.
作为优选，所述蒸发吸收器组内填充有溴化锂水溶液，所述溴化锂水溶液有溴化锂和水混合制成。Preferably, the evaporation absorber group is filled with a lithium bromide aqueous solution, and the lithium bromide aqueous solution is prepared by mixing lithium bromide and water.
本实用新型具有的有益效果：The beneficial effects that the utility model has:
采用溴化锂为吸收剂，水为制冷剂，利用压缩冷凝机组冷凝热源，以热源换取冷量方式，能效比原来的三倍提高到五倍，将原中央空调压缩冷凝机组冷凝热源收集利用，不排放到环境中去，不影响环境温度升高，实现增效减排的效果。Lithium bromide is used as the absorbent and water is used as the refrigerant, and the compression condensing unit is used to condense the heat source, and the heat source is exchanged for the cooling capacity, and the energy efficiency is increased from three times to five times. To the environment, it does not affect the increase in ambient temperature, and achieves the effect of increasing efficiency and reducing emissions.
附图说明Description of drawings
图1是本实用新型的一种结构连接示意图。Figure 1 is a schematic diagram of a structural connection of the present invention.
图中：1、压缩机；2、第一热交换器；3、节流装置；4、第一蒸发器；5、汽液分离器；6、发生器；7、蒸发吸收器组；8、第二热交换器；9、溶液循环泵；10、U形节流管； 11、抽气装置；12、冷冻水循环泵；13、第一热交换管；14、第二热交换管；15、第一换热管；16、第二换热管；17、第一喷淋管；18、发生器盘管；20、冷凝器进口端；21、冷凝器出口端；22、冷凝器换热管；23、冷凝器换热翅片；24、第二喷淋管；25、蒸发器盘管；26、第三喷淋管；27、吸收器盘管；28、第三热交换管；29、第四热交换管；30、吸收器冷却盘管；31、冷却盘管进口端；32、冷却盘管出口端；33、吸收器换热翅片；34、冷却风机；35、发生器喷头；36、蒸发器滴淋头；37、吸收器滴淋头；38、抽气管。In the figure: 1, compressor; 2, first heat exchanger; 3, throttling device; 4, first evaporator; 5, vapor-liquid separator; 6, generator; 7, evaporative absorber group; 8, The second heat exchanger; 9, the solution circulation pump; 10, the U-shaped throttle pipe; 11, the air extraction device; 12, the chilled water circulation pump; 13, the first heat exchange pipe; 14, the second heat exchange pipe; 15, The first heat exchange tube; 16, the second heat exchange tube; 17, the first spray tube; 18, the generator coil; 20, the inlet end of the condenser; 21, the outlet end of the condenser; 22, the heat exchange tube of the condenser ; 23, condenser heat exchange fins; 24, second spray pipe; 25, evaporator coil; 26, third spray pipe; 27, absorber coil; 28, third heat exchange pipe; 29, Fourth heat exchange tube; 30, absorber cooling coil; 31, cooling coil inlet end; 32, cooling coil outlet end; 33, absorber heat exchange fins; 34, cooling fan; 35, generator nozzle; 36. Evaporator dripping head; 37. Absorber dripping head; 38. Exhaust pipe.
具体实施方式Detailed ways
下面通过实施例，并结合附图，对本实用新型的技术方案作进一步具体的说明。The technical solutions of the present utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.
实施例：一种增效减排节能中央空调，如图1所示，包括压缩冷凝机组和冷凝热回收系统，所述压缩冷凝机组包括压缩机、第一热交换器、节流装置、第一蒸发器和汽液分离器，所述冷凝热回收系统包括发生器、蒸发吸收器组、第二热交换器、溶液循环泵、U形节流管、抽气装置和冷冻水循环泵；Example: An efficiency-enhancing, emission-reducing and energy-saving central air conditioner, as shown in FIG. 1 , includes a compression condensing unit and a condensation heat recovery system. The compression and condensing unit includes a compressor, a first heat exchanger, a throttling device, a first an evaporator and a vapor-liquid separator, the condensation heat recovery system includes a generator, an evaporation absorber group, a second heat exchanger, a solution circulation pump, a U-shaped choke pipe, an air extraction device and a chilled water circulation pump;
所述第一热交换器的内部设有第一热交换管和第二热交换管，所述第一蒸发器的内部设有第一换热管和第二换热管，所述压缩机、第一换热管、第二换热管、第一热交换管和第二热交换管、节流装置、第一蒸发器和汽液分离器均设有进口端和出口端，所述压缩机的出口端与第一热交换管的进口端连接，所述第一热交换管的出口端与节流装置的进口端连接，所述节流装置的出口端与第一换热管的进口端连接，所述第一换热管的出口端与汽液分离器的进口端连接，所述汽液分离器的出口端与压缩机的进口端连接；The inside of the first heat exchanger is provided with a first heat exchange tube and a second heat exchange tube, the inside of the first evaporator is provided with a first heat exchange tube and a second heat exchange tube, the compressor, The first heat exchange tube, the second heat exchange tube, the first heat exchange tube and the second heat exchange tube, the throttling device, the first evaporator and the vapor-liquid separator are all provided with an inlet end and an outlet end, and the compressor The outlet end of the first heat exchange tube is connected to the inlet end of the first heat exchange tube, the outlet end of the first heat exchange tube is connected to the inlet end of the throttling device, and the outlet end of the throttling device is connected to the inlet end of the first heat exchange tube connection, the outlet end of the first heat exchange tube is connected with the inlet end of the vapor-liquid separator, and the outlet end of the vapor-liquid separator is connected with the inlet end of the compressor;
所述发生器的内部设有第一喷淋管和发生器盘管，所述发生器的右侧设有冷凝器，所述冷凝器包括冷凝器进口端、冷凝器出口端、冷凝器换热管和冷凝器换热翅片，所述冷凝换热管的上端与冷凝器进口端连接，所述冷凝换热管的下端与冷凝器出口端连接，所述冷凝器换热翅片设于冷凝器换热管的外侧，所述蒸发吸收器组的内部设有第二喷淋管、蒸发器盘管、第三喷淋管和吸收器盘管，所述第二热交换器内设有第三热交换管和第四热交换管，所述第三热交换管、第四热交换管、发生器盘管、蒸发器盘管、吸收器盘管、溶液循环泵、U形节流管和冷冻水循环泵均设有进口端和出口端，所述第一喷淋管设于发生器内部的上侧，所述发生器盘管设于第一喷淋管的下方，所述第二喷淋管设于蒸发吸收器组内部的上侧，所述蒸发器盘管设于第二喷淋管的下方，所述第三喷淋管设于蒸发器盘管的下方，所述吸收器盘管设于第三喷淋管的下方，所述发生器盘管的进口端与第二热交换管的出口端连接，所述发生器盘管的出口端与第一喷淋管连接，所述冷凝器进口端的左侧与发生器的右上侧连接，所述冷凝器出口端与U形节流管的进口端连接，所述U形节流管的出口端与第二喷淋管连接，所述蒸发器盘管的出口端与第二换热管的进口端连接，所述第二换热管的出口端与冷冻水循环泵的进口端连接，所述冷冻水循环泵的出口端与蒸发器盘管的进口端连接，所述溶液循环泵的进口端与蒸发吸收器组的底部连接，所述溶液循环泵的出口端与吸收器盘管的进口端连接，所述蒸发吸收器组的右侧设有吸收器冷却盘管，所述吸收器冷却盘管设有冷却盘管进口端和冷却盘管出口端，所述吸收器盘管的出口端与冷却盘管进口端连接，所述冷却盘管出口端与第三热交换管的进口端连接，所述吸收器冷却盘管的外侧设有吸收器换热翅片，所述吸收器换热翅片和冷凝器换热翅片的右侧均设有冷却风机，所述第三热交换管的出口端与第二热交换管的进口端连接，所述第四热交换管的进口端与发生器的底部连接，所述第四热交换管的出口端与第三喷淋管连接，所述第一喷淋管的下侧设有若干发生器喷头，所述第二喷淋管的下侧设有若干蒸发器滴淋头，所述第三喷淋管的下侧设有吸收器滴淋头，所述发生器的上侧和蒸发吸收器组的上侧均设有抽气管，所述抽气管连接抽气装置，所述蒸发器盘管内设有循环的冷冻水。The inside of the generator is provided with a first spray pipe and a generator coil, the right side of the generator is provided with a condenser, the condenser includes a condenser inlet end, a condenser outlet end, a condenser heat exchange tube and condenser heat exchange fins, the upper end of the condensation heat exchange tube is connected to the inlet end of the condenser, the lower end of the condensation heat exchange tube is connected to the outlet end of the condenser, and the condenser heat exchange fins are arranged at the condenser The outside of the evaporator heat exchange tube, the inside of the evaporation absorber group is provided with a second spray pipe, an evaporator coil, a third spray pipe and an absorber coil, and the second heat exchanger is provided with a second spray pipe, an evaporator coil, a third spray pipe and an absorber coil. Three heat exchange tubes and a fourth heat exchange tube, the third heat exchange tube, the fourth heat exchange tube, the generator coil, the evaporator coil, the absorber coil, the solution circulation pump, the U-shaped throttle and The chilled water circulating pump is provided with an inlet end and an outlet end, the first spray pipe is arranged on the upper side of the generator, the generator coil is arranged below the first spray pipe, the second spray pipe The pipe is arranged on the upper side of the inside of the evaporation absorber group, the evaporator coil is arranged under the second spray pipe, the third spray pipe is arranged under the evaporator coil, and the absorber coil is arranged Set below the third spray pipe, the inlet end of the generator coil is connected to the outlet end of the second heat exchange pipe, the outlet end of the generator coil is connected to the first spray pipe, the condensation The left side of the inlet end of the condenser is connected with the upper right side of the generator, the outlet end of the condenser is connected with the inlet end of the U-shaped throttling pipe, the outlet end of the U-shaped throttling pipe is connected with the second spray pipe, the The outlet end of the evaporator coil is connected to the inlet end of the second heat exchange tube, the outlet end of the second heat exchange tube is connected to the inlet end of the chilled water circulating pump, and the outlet end of the chilled water circulating pump is connected to the evaporator coil The inlet end of the solution circulation pump is connected to the bottom of the evaporation absorber group, the outlet end of the solution circulation pump is connected to the inlet end of the absorber coil, and the right side of the evaporation absorber group is set. There is an absorber cooling coil, the absorber cooling coil is provided with an inlet end of the cooling coil and an outlet end of the cooling coil, the outlet end of the absorber coil is connected with the inlet end of the cooling coil, the cooling coil is The outlet end is connected to the inlet end of the third heat exchange tube, the outside of the absorber cooling coil is provided with absorber heat exchange fins, and the right sides of the absorber heat exchange fins and the condenser heat exchange fins are both A cooling fan is provided, the outlet end of the third heat exchange tube is connected to the inlet end of the second heat exchange tube, the inlet end of the fourth heat exchange tube is connected to the bottom of the generator, and the fourth heat exchange tube is connected to the bottom of the generator. The outlet end is connected to the third spray pipe, the lower side of the first spray pipe is provided with a number of generator spray heads, the lower side of the second spray pipe is provided with a number of evaporator drip heads, the The lower side of the three spray pipes is provided with an absorber dripping head, the upper side of the generator and the upper side of the evaporation absorber group are provided with air extraction pipes, the air extraction pipes are connected to the air extraction device, and the evaporator pan There is circulating chilled water in the tube.
所述发生器和蒸发吸收器组均为密封结构，使溴化锂水溶液更好的发挥作用。The generator and the evaporative absorber group are both sealed structures, so that the lithium bromide aqueous solution can play a better role.
所述蒸发吸收器组内填充有溴化锂水溶液，所述溴化锂水溶液有溴化锂和水混合制成，溴化锂水溶液能更充分的利用余热。The evaporative absorber group is filled with a lithium bromide aqueous solution, and the lithium bromide aqueous solution is prepared by mixing lithium bromide and water, and the lithium bromide aqueous solution can more fully utilize the waste heat.
本实用新型的运行原理：The operating principle of the utility model:
压缩冷凝机组的压缩机开始运行，压缩机将压缩后的高温工质输送至第一热交换管的进口端，热交换器吸收工质的热量，随后工质经节流装置、第一换热管和汽液分离器回到压缩机；当压缩冷凝机组工作的同时压缩冷凝机组同步运行，冷冻水由冷冻水循环泵进行循环抽压，使冷冻水在冷冻水循环泵、蒸发器盘管和第二换热管内循环，溶液循环泵将蒸发吸收器组内的溴化锂水溶液抽压至吸收器盘管，溴化锂水溶液通过吸收器盘管进入吸收器冷却盘管，溴化锂水溶液在吸收器冷却盘管里将余温散发至吸收器换热翅片上，冷却风机将吸收器换热翅片上的余温吹散，冷却后的溴化锂水溶液进入第三热交换管，通过热交换管将溴化锂水溶液送入第二热交换管，第二热交换管将第一热交换管散发的热量吸收，使进过第二热交换管的溴化锂水溶液温度升高，升高温度后的溴化锂水溶液进入发生器盘管，溴化锂水溶液通过发生器盘管再进入第一喷淋管，通过发生器喷头将溴化锂水溶液喷向发生器盘管，被喷到发生器盘管上的溴化锂水溶液马上产生水蒸气，稀溶液变成浓溶液贮集在发生器底部，在重力作用下经第四热交换管冷热交换后流向吸收器滴淋头，浓溶液经吸收器滴淋头淋在吸收器盘管上，在吸收器盘管内的水蒸汽被浓溶液所吸收变成稀溶液并产生大量的热量，由溶液循环泵将溴化锂水溶液在吸收器盘管内继续吸热，溴化锂水溶液再经吸收器冷却盘管，由风机将吸收器换热翅片上的热量带走，经散热冷却后的溴化锂水溶液再经第二热交换器与来自发生器底部的浓溶液冷热交换后进入热交换器；另外在发生器内溴化锂水溶液受热蒸发，产生大量的水蒸汽，水蒸汽在温差吸引下流向冷凝器，在冷凝器换热管内受冷凝结成冷剂水贮集在冷凝器底部，冷凝器底部的冷剂水通过U形节流管节流后，通过蒸发器滴淋头滴淋在蒸发器盘管上，蒸发器盘管内有冷冻水在循环，冷剂水吸收了蒸发器盘管内冷冻水热量后蒸发，使冷冻水温度降低，冷剂水吸取热量后蒸发变成水蒸汽，在蒸发吸收器组内的水蒸汽被溴化锂浓溶液吸收，溴化锂浓溶液吸取水蒸汽后产生吸取热，该热量被传递给吸收器换热翅片上，吸收器换热翅片上的热量被冷却风机带走，达到利用中央空调压缩冷凝机组的冷凝热废热回收利用增效减排节能的目的；抽气装置能将发生器和蒸发吸收组内的多余空气抽尽。The compressor of the compression condensing unit starts to run, and the compressor transports the compressed high-temperature working medium to the inlet end of the first heat exchange tube, the heat exchanger absorbs the heat of the working medium, and then the working medium passes through the throttling device and the first heat exchange pipe. The pipe and the vapor-liquid separator are returned to the compressor; when the compression-condensing unit is working and the compression-condensing unit is running synchronously, the chilled water is circulated and pumped by the chilled water circulating pump, so that the chilled water is circulated in the chilled water circulating pump, the evaporator coil and the second. The heat exchange tube circulates, and the solution circulation pump pumps the lithium bromide aqueous solution in the evaporation absorber group to the absorber coil. The temperature is dissipated to the heat exchange fins of the absorber, the cooling fan blows away the residual temperature on the heat exchange fins of the absorber, the cooled lithium bromide aqueous solution enters the third heat exchange tube, and the lithium bromide aqueous solution is sent to the second heat exchange tube through the heat exchange tube. The second heat exchange tube absorbs the heat emitted by the first heat exchange tube, so that the temperature of the lithium bromide aqueous solution entering the second heat exchange tube rises, the lithium bromide aqueous solution after the elevated temperature enters the generator coil, and the lithium bromide aqueous solution passes through the generator coil. The generator coil then enters the first spray pipe, and the lithium bromide aqueous solution is sprayed to the generator coil through the generator nozzle. The bottom of the generator flows to the drip head of the absorber after the cold and heat exchange through the fourth heat exchange tube under the action of gravity. The concentrated solution is absorbed into a dilute solution and generates a lot of heat. The solution circulating pump will continue to absorb heat in the lithium bromide aqueous solution in the absorber coil. The heat is taken away, and the lithium bromide aqueous solution cooled by heat dissipation and then enters the heat exchanger through the second heat exchanger and the concentrated solution from the bottom of the generator. The water vapor flows to the condenser under the attraction of the temperature difference, and is condensed and condensed into refrigerant water in the heat exchange tube of the condenser, which is stored at the bottom of the condenser. The dripper drips on the evaporator coil, and there is chilled water circulating in the evaporator coil. The refrigerant water absorbs the heat of the chilled water in the evaporator coil and evaporates, which reduces the temperature of the chilled water. After the refrigerant water absorbs heat Evaporation becomes water vapor, the water vapor in the evaporation absorber group is absorbed by the lithium bromide concentrated solution, and the lithium bromide concentrated solution absorbs the water vapor to generate absorption heat, and the heat is transferred to the absorber heat exchange fins, and the absorber heat exchange fins The heat of the generator is taken away by the cooling fan to achieve the purpose of utilizing the condensation heat waste heat of the central air-conditioning compression condensing unit to recover and utilize the efficiency, emission reduction and energy saving; the air extraction device can exhaust the excess air in the generator and the evaporation absorption group.
最后，应当指出，以上实施例仅是本实用新型较有代表性的例子。显然，本实用新型不限于上述实施例，还可以有许多变形。凡是依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均应认为属于本实用新型的保护范围。Finally, it should be pointed out that the above embodiments are only representative examples of the present invention. Obviously, the present invention is not limited to the above-mentioned embodiments, and many modifications are possible. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention shall be considered to belong to the protection scope of the present invention.
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| CN111174462A (en) * | 2020-01-21 | 2020-05-19 | 浙江高翔工贸有限公司 | Efficiency-improving emission-reducing energy-saving central air conditioner |
| CN112682978A (en) * | 2021-01-05 | 2021-04-20 | 杨鲁煜 | Compression and absorption combined cycle refrigerating plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111174462A (en) * | 2020-01-21 | 2020-05-19 | 浙江高翔工贸有限公司 | Efficiency-improving emission-reducing energy-saving central air conditioner |
| CN112682978A (en) * | 2021-01-05 | 2021-04-20 | 杨鲁煜 | Compression and absorption combined cycle refrigerating plant |
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Inventor after: Liang Dinghao Inventor after: Liang Leijun Inventor after: Liang Miaochun Inventor after: Gao Xiang Inventor after: Tang Lijiang Inventor after: Gao Yongfeng Inventor before: Liang Dinghao Inventor before: Liang Leijun Inventor before: Liang Miaochun Inventor before: Gao Xiang Inventor before: Tang Lijiang Inventor before: Gao Yongfeng |
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Assignee: Zhejiang Mingxin cold chain equipment Co.,Ltd. Assignor: ZHEJIANG GAOXIANG INDUSTRY TRADE CO.,LTD. Contract record no.: X2025980022495 Denomination of utility model: A synergistic emission reduction energy-saving central air conditioning Granted publication date: 20201027 License type: Common License Record date: 20250915 |