CN204963288U - Use lithium bromide absorption formula at solar energy and water source to heat, refrigerating plant - Google Patents
Use lithium bromide absorption formula at solar energy and water source to heat, refrigerating plant Download PDFInfo
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- CN204963288U CN204963288U CN201520721326.3U CN201520721326U CN204963288U CN 204963288 U CN204963288 U CN 204963288U CN 201520721326 U CN201520721326 U CN 201520721326U CN 204963288 U CN204963288 U CN 204963288U
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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]
- Y02B30/62—Absorption based systems
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Abstract
本实用新型涉及一种使用太阳能和水源的溴化锂吸收式制热、制冷装置。热水箱第一回路通过第一阀门、第一热水泵与太阳能集热板相通,第二回路通过第二阀门、第二热水泵与发生器的加热管路相通;发生器的第一路吸收剂出口通过第三阀门与冷凝器的吸收剂进口相通,冷凝器的吸收剂出口通过膨胀阀与蒸发器的吸收剂进口相通,蒸发器的吸收剂出口与吸收器相通,吸收器的吸收剂进出口通过与第四阀门、溶液泵与溶液热交换器一路管道相通,溶液热交换器的另一路管道与发生器的第二路吸收剂进出口相通;所述蒸发器的冷却水进出口通过第五阀门、第一冷水泵与换热器的一路管道相通,换热器的另一路管道通过第六阀门、第二冷水泵与室外水源相通。
The utility model relates to a lithium bromide absorption heating and cooling device using solar energy and water sources. The first circuit of the hot water tank communicates with the solar collector plate through the first valve and the first hot water pump, and the second circuit communicates with the heating pipeline of the generator through the second valve and the second hot water pump; the first circuit of the generator absorbs The absorbent outlet of the condenser communicates with the absorbent inlet of the condenser through the third valve, the absorbent outlet of the condenser communicates with the absorbent inlet of the evaporator through the expansion valve, the absorbent outlet of the evaporator communicates with the absorber, and the absorbent of the absorber enters The outlet is communicated with the fourth valve, the solution pump and the solution heat exchanger through one pipeline, and the other pipeline of the solution heat exchanger is communicated with the second absorbent inlet and outlet of the generator; the cooling water inlet and outlet of the evaporator is connected through the first The five valves, the first cold water pump communicate with one pipeline of the heat exchanger, and the other pipeline of the heat exchanger communicates with the outdoor water source through the sixth valve and the second cold water pump.
Description
技术领域technical field
本实用新型涉及一种空调,特别是一种使用太阳能和水源的溴化锂吸收式制热、制冷装置。The utility model relates to an air conditioner, in particular to a lithium bromide absorption heating and cooling device using solar energy and water sources.
背景技术Background technique
目前,在全国节能减排的倡导下,降低建筑能耗,特别是空调能耗尤为重要,所以寻找新型可再生能源成为暖通工作者的研究重点。我国地处北半球亚欧大陆的东部,具有比较丰富的太阳能资源。另一方面,我国地表水资源较为丰富,居世界第六位。因此,太阳能资源和地表水中含有能量可以用于空调行业。溴化锂吸收式热泵具有耗电少、能源适用性强以及环保的特点,被广泛应用于空调领域。At present, under the advocacy of national energy conservation and emission reduction, reducing building energy consumption, especially air-conditioning energy consumption is particularly important, so finding new renewable energy has become the research focus of HVAC workers. my country is located in the eastern part of the Eurasian continent in the northern hemisphere and has relatively rich solar energy resources. On the other hand, my country's surface water resources are relatively rich, ranking sixth in the world. Therefore, solar resources and surface water contain energy that can be used in the air conditioning industry. Lithium bromide absorption heat pump has the characteristics of low power consumption, strong energy applicability and environmental protection, and is widely used in the field of air conditioning.
由于单一热源驱动形式的热泵存在一定的局限性,制约着各自的发展。如果将两种或者两种以上不同形式的热泵结合起来运行,则既可以克服单一热源供热能力的不足、运行不稳定的问题,又有良好的互补和匹配性。目前,复合式热泵系统主要以双热源联合运行方式存在,主要有太阳能-土壤源热泵、太阳能-空气源热泵、太阳能-水源热泵以及太阳能-溴化锂吸收式热泵等,这些双热源联合热泵较好地解决了单一热源供热不足的问题。但是,由于它们的能效较低,应用范围较小。Due to the limitations of heat pumps driven by a single heat source, their development is restricted. If two or more heat pumps of different forms are combined to operate, it can not only overcome the problems of insufficient heating capacity and unstable operation of a single heat source, but also have good complementarity and matching. At present, the combined heat pump system mainly exists in the joint operation mode of dual heat sources, mainly including solar-soil source heat pumps, solar-air source heat pumps, solar-water source heat pumps, and solar-lithium bromide absorption heat pumps. These dual heat source combined heat pumps are better The problem of insufficient heat supply from a single heat source is solved. However, due to their low energy efficiency, the range of applications is limited.
发明内容Contents of the invention
为了克服现有技术的缺点,本实用新型提供一种使用太阳能和水源的溴化锂吸收式制热、制冷装置。它结构简单,投资小,占地面积小,便于维护。In order to overcome the shortcomings of the prior art, the utility model provides a lithium bromide absorption heating and cooling device using solar energy and water source. It has simple structure, small investment, small footprint and easy maintenance.
本实用新型解决其技术问题所采取的技术方案是:热水箱第一回路通过第一阀门、第一热水泵与太阳能集热板密封相通,第二回路通过第二阀门、第二热水泵与发生器的加热管路密封相通;发生器的第一路吸收剂出口通过第三阀门与冷凝器的吸收剂进口密封相通,冷凝器的吸收剂出口通过膨胀阀与蒸发器的吸收剂进口密封相通,蒸发器的吸收剂出口与吸收器密封相通,吸收器的吸收剂进出口通过与第四阀门、溶液泵与溶液热交换器一路管道密封相通,溶液热交换器的另一路管道与所述发生器的第二路吸收剂进出口密封相通;所述蒸发器的冷却水进出口通过第五阀门、第一冷水泵与换热器的一路管道密封相通,换热器的另一路管道通过第六阀门、第二冷水泵与室外水源密封相通。The technical solution adopted by the utility model to solve the technical problem is: the first loop of the hot water tank is sealed and communicated with the solar heat collecting plate through the first valve and the first hot water pump, and the second loop is connected with the solar heat collecting plate through the second valve and the second hot water pump. The heating pipeline of the generator is sealed and communicated; the first absorbent outlet of the generator is sealed and communicated with the absorbent inlet of the condenser through the third valve, and the absorbent outlet of the condenser is sealed and communicated with the absorbent inlet of the evaporator through an expansion valve , the absorbent outlet of the evaporator is in sealing communication with the absorber, the absorbent inlet and outlet of the absorber are in communication with the fourth valve, the solution pump and one pipeline of the solution heat exchanger, and the other pipeline of the solution heat exchanger is in communication with the generator The inlet and outlet of the second absorbent of the evaporator are sealed and communicated; the inlet and outlet of cooling water of the evaporator are sealed and communicated with one pipeline of the heat exchanger through the fifth valve and the first cold water pump, and the other pipeline of the heat exchanger passes through the sixth The valve and the second cold water pump are in sealed communication with the outdoor water source.
本实用新型具有下列优点:1)、同时使用溴化锂吸收式热泵和水源热泵系统,将二者设备统一,系统简单,初投资低;2)、运行稳定;3)、便于维护和维修;4)、占地面积小。The utility model has the following advantages: 1), use lithium bromide absorption heat pump and water source heat pump system at the same time, unify the equipment of both, simple system, low initial investment; 2), stable operation; 3), easy maintenance and repair; 4) ,Small footprint.
附图说明Description of drawings
下面结合附图和实施例对本实用新型进一步说明。Below in conjunction with accompanying drawing and embodiment the utility model is further described.
图1为本实用新型示意图。Fig. 1 is the utility model schematic diagram.
具体实施方式detailed description
如图1所示,热水箱4第一回路通过第一阀门3、第一热水泵2与太阳能集热板1密封相通,第二回路通过第二阀门6、第二热水泵5与发生器8的加热管路密封相通;发生器8的第一路吸收剂出口通过第三阀门12与冷凝器13的吸收剂进口密封相通,冷凝器13的吸收剂出口通过膨胀阀14与蒸发器15的吸收剂进口密封相通,蒸发器15的吸收剂出口与吸收器19密封相通,吸收器19的吸收剂进出口通过与第四阀门17、溶液泵18与溶液热交换器16一路管道密封相通,溶液热交换器16的另一路管道与所述发生器8的第二路吸收剂进出口密封相通;所述蒸发器15的冷却水进出口通过第五阀门21、第一冷水泵20与换热器22的一路管道密封相通,换热器22的另一路管道通过第六阀门23、第二冷水泵24与室外水源25密封相通。As shown in Figure 1, the first circuit of the hot water tank 4 is sealed and communicated with the solar collector plate 1 through the first valve 3 and the first hot water pump 2, and the second circuit is connected with the generator through the second valve 6 and the second hot water pump 5. The heating pipeline of 8 is sealed and communicated; the first absorbent outlet of the generator 8 is sealed and communicated with the absorbent inlet of the condenser 13 through the third valve 12, and the absorbent outlet of the condenser 13 is connected with the absorbent of the evaporator 15 through the expansion valve 14 The absorbent inlet is sealed and connected, the absorbent outlet of the evaporator 15 is sealed and connected with the absorber 19, and the absorbent inlet and outlet of the absorber 19 are connected with the fourth valve 17, the solution pump 18 and the solution heat exchanger 16 through a pipe sealed connection, and the solution The other pipeline of the heat exchanger 16 is in sealing communication with the second absorbent inlet and outlet of the generator 8; the cooling water inlet and outlet of the evaporator 15 are connected to the heat exchanger through the fifth valve 21 and the first cold water pump 20. One pipeline of 22 is sealed and communicated, and the other pipeline of heat exchanger 22 is sealed and communicated with outdoor water source 25 through the sixth valve 23 and the second cold water pump 24 .
所述的第二热水泵5与发生器8之间串接辅助加热器7;所述发生器8的第二路吸收剂出口通过第七阀门9与所述的冷凝器13的吸收剂进进口密封相通,发生器8的第三路吸收剂进出口通过第八阀门11、压缩机10密封相通。即可在压力较低下利用压缩机的热能,来提高吸收剂循环效率,弥补太阳能集热板供热能力的不足。其原理为:当从热水箱4出来的热水温度较高时,打开第三阀门12,关闭第七阀门9和第八阀门11,这时压缩机10不运行。当从热水箱12中出来的热水温度较低时,关闭第三阀门12,打开第七阀门9和第八阀门11,这时压缩机10运行,从发生器8出来的蒸汽都被压缩机压缩至高于发生温度的状态,压缩后的蒸汽在发生器10中放热,然后通过第七阀门9进入冷凝器13。The auxiliary heater 7 is connected in series between the second hot water pump 5 and the generator 8; the second absorbent outlet of the generator 8 passes through the seventh valve 9 and the absorbent inlet of the condenser 13 Sealed communication, the inlet and outlet of the third absorbent of the generator 8 are in sealed communication with the compressor 10 through the eighth valve 11 . The thermal energy of the compressor can be used at a low pressure to improve the cycle efficiency of the absorbent and make up for the lack of heat supply capacity of the solar collector plate. The principle is: when the temperature of the hot water coming out of the hot water tank 4 is high, the third valve 12 is opened, the seventh valve 9 and the eighth valve 11 are closed, and the compressor 10 is not running at this moment. When the temperature of the hot water coming out of the hot water tank 12 is low, close the third valve 12, open the seventh valve 9 and the eighth valve 11, at this moment the compressor 10 runs, and the steam coming out of the generator 8 is all compressed The steam is compressed to a state higher than the generation temperature, and the compressed steam releases heat in the generator 10, and then enters the condenser 13 through the seventh valve 9.
所述的吸收器19内吸收剂出口上固定喷淋器26。可以增大溴化锂溶液的吸收效率,使来自溶液热交换器16的溴化锂溶液在吸收器19中以喷雾的形式进入,溴化锂溶液在吸收水蒸气下落的过程中,同时吸收自身产生的热量而升高温度。增大了溴化锂溶液的热交换面积,从而使吸收效率升高。A sprinkler 26 is fixed on the absorbent outlet in the absorber 19 . The absorption efficiency of the lithium bromide solution can be increased, so that the lithium bromide solution from the solution heat exchanger 16 enters in the form of a spray in the absorber 19, and the lithium bromide solution absorbs the heat generated by itself while absorbing the water vapor and rises. temperature. The heat exchange area of the lithium bromide solution is increased, thereby increasing the absorption efficiency.
利用溴化锂溶液浓度的变化来获取冷、热量,装置中主要工质为溴化锂溶液、水,其中溴化锂为吸收剂,水为制冷剂。利用太阳能集热板1将太阳能转为热能把水加热,从太阳能集热板出来的热水经过热水泵加压进入热水箱4储存。热水箱4储存的热水用于加热发生器8中溴化锂溶液,将制冷剂蒸汽解析出来,进入冷凝器13,在冷凝器13中,制冷剂蒸汽被冷却凝结成液体,然后通过膨胀阀14降压,送入蒸发器15,蒸发器15吸收剂吸收来自室外水源25的热量后蒸发,蒸发后的吸收剂进入吸收器19,被来自发生器8的浓的溴化锂溶液吸收,再通过溶液热交换器16进入发生器19蒸发,由此形成一个循环。The change of lithium bromide solution concentration is used to obtain cold and heat. The main working medium in the device is lithium bromide solution and water, among which lithium bromide is the absorbent and water is the refrigerant. Utilize the solar thermal collector plate 1 to convert solar energy into thermal energy to heat water, and the hot water coming out of the solar thermal collector plate is pressurized into the hot water tank 4 for storage through the hot water pump. The hot water stored in the hot water tank 4 is used to heat the lithium bromide solution in the generator 8, decomposes the refrigerant vapor, and enters the condenser 13. In the condenser 13, the refrigerant vapor is cooled and condensed into a liquid, and then passes through the expansion valve 14 Reduce the pressure and send it to the evaporator 15. The absorbent in the evaporator 15 absorbs the heat from the outdoor water source 25 and then evaporates. The evaporated absorbent enters the absorber 19 and is absorbed by the concentrated lithium bromide solution from the generator 8. The exchanger 16 enters the generator 19 for evaporation, thereby forming a cycle.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106595120A (en) * | 2016-12-21 | 2017-04-26 | 上海理工大学 | Greenhouse heat supplying device |
CN108692479A (en) * | 2017-02-24 | 2018-10-23 | 南京工业大学 | Closed spray cooling system using solar energy for refrigeration |
CN111748386A (en) * | 2020-07-21 | 2020-10-09 | 河北工程大学 | A light hydrocarbon oil gas making device |
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2015
- 2015-09-17 CN CN201520721326.3U patent/CN204963288U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106595120A (en) * | 2016-12-21 | 2017-04-26 | 上海理工大学 | Greenhouse heat supplying device |
CN106595120B (en) * | 2016-12-21 | 2019-10-29 | 上海理工大学 | Greenhouse heating plant |
CN108692479A (en) * | 2017-02-24 | 2018-10-23 | 南京工业大学 | Closed spray cooling system using solar energy for refrigeration |
CN111748386A (en) * | 2020-07-21 | 2020-10-09 | 河北工程大学 | A light hydrocarbon oil gas making device |
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