CN2525445Y - Two purpose second class lithium bromide absorptice heat pump - Google Patents
Two purpose second class lithium bromide absorptice heat pump Download PDFInfo
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- CN2525445Y CN2525445Y CN01272669.9U CN01272669U CN2525445Y CN 2525445 Y CN2525445 Y CN 2525445Y CN 01272669 U CN01272669 U CN 01272669U CN 2525445 Y CN2525445 Y CN 2525445Y
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- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 50
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 239000006096 absorbing agent Substances 0.000 claims description 19
- 239000002775 capsule Substances 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 abstract description 31
- 239000002918 waste heat Substances 0.000 abstract description 30
- 238000010438 heat treatment Methods 0.000 abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 38
- 239000000498 cooling water Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 heat exchanger Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
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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两用式第二类溴化锂吸收式热泵。是在第二类溴化锂吸收式热泵的基础上，在冷凝器2和蒸发器6之间增设冷剂蒸汽管路10；将输出热源管路与冷凝器2连通，并加装阀门14、13。当要获得比驱动废热源温度高的高温热源时，采用热泵制热循环。当要获得比驱动废热源温度低的低温热源时，采用低温制热循环。本实用新型具有一台一般第二类溴化锂吸收式热泵加上一台热交换器组合运行才能达到的功能，减少了用户的初投资和运行费用。具有很好的实用价值。
The utility model relates to a dual-purpose type II lithium bromide absorption heat pump. On the basis of the second type lithium bromide absorption heat pump, a refrigerant steam pipeline 10 is added between the condenser 2 and the evaporator 6; the output heat source pipeline is connected with the condenser 2, and valves 14 and 13 are installed. When it is necessary to obtain a high-temperature heat source that is higher than the temperature of the driving waste heat source, a heat pump heating cycle is used. When a low-temperature heat source that is lower in temperature than the driving waste heat source is to be obtained, a low-temperature heating cycle is used. The utility model has the function that can only be achieved by combined operation of a general second-type lithium bromide absorption heat pump and a heat exchanger, and reduces the initial investment and operation cost of users. It has very good practical value.
Description
(一)技术领域：本实用新型涉及一种溴化锂吸收式热泵机组。尤其涉及一种以余热源为驱动热源，采用不同的循环既可以产生高温热源，又可以产生略低于驱动热源的低温热源。属溴化锂热泵技术领域。(1) Technical field: the utility model relates to a lithium bromide absorption heat pump unit. In particular, it relates to a waste heat source as a driving heat source, which can generate a high-temperature heat source and a low-temperature heat source slightly lower than the driving heat source by adopting different cycles. It belongs to the technical field of lithium bromide heat pump.
(二)背景技术：第二类溴化锂吸收式热泵以废热能作为驱动热源，在使用冷却水的条件下获得更高温度的热源，是一种能有效回收废热源能源的设备。该设备主要有发生器、冷凝器、蒸发器、吸收器、热交换器以及连接该系统的泵、管路、阀门等组成。制热流程是废热源加热发生器中的溴化锂溶液，使其产生水蒸汽同时浓度升高。产生的水蒸汽在冷凝器中被冷却水变成冷剂水，冷却水从冷凝器中把冷剂蒸汽的热量带出机外，冷剂水流入蒸发器吸取废热源热水的热量而蒸发，发生器中的浓溶液流入吸收器吸收蒸发器过来的冷剂蒸汽。吸收过程产生的热量加热吸收器管内的流体，使管内流体温度升高，供用热场所使用，由于有些用热场所由于季节变化等外界条件的变化，要求的热源流体温度也随之变化，可能热源温度比废热源的温度低，而由于废热源本身的原因(如腐蚀、有毒、有害等原因)不能直接用于供热场所，此时必须启动热泵机组进行供热循环。消耗了冷却水及废热源，浪费了冷却水及一部分废热源，用电设备(如水泵等)的电能也消耗。使运行成本增加。另一个方案还可以增加一个热交换器，当用热场所热源温度比废热源的温度低时，停热泵机组，使用热交换器进行换热，这样使运行成本降低，但增加一个热交换器，使供热系统的投资增加。(2) Background technology: The second type of lithium bromide absorption heat pump uses waste heat energy as a driving heat source, and obtains a higher temperature heat source under the condition of using cooling water. It is a device that can effectively recover waste heat source energy. The equipment mainly consists of generator, condenser, evaporator, absorber, heat exchanger and pumps, pipelines and valves connected to the system. The heating process is that the waste heat source heats the lithium bromide solution in the generator, so that it produces water vapor and the concentration increases at the same time. The generated water vapor is turned into refrigerant water by the cooling water in the condenser. The cooling water takes the heat of the refrigerant vapor out of the machine from the condenser, and the refrigerant water flows into the evaporator to absorb the heat of the waste heat source hot water and evaporate. The concentrated solution in the generator flows into the absorber to absorb the refrigerant vapor from the evaporator. The heat generated in the absorption process heats the fluid in the absorber tube to increase the temperature of the fluid in the tube, which is used by the heat-using place. Because some heat-using places change due to changes in external conditions such as seasonal changes, the required temperature of the heat source fluid also changes. The possible heat source The temperature is lower than that of the waste heat source, and due to the reasons of the waste heat source itself (such as corrosion, toxicity, harmfulness, etc.), it cannot be directly used in the heating place. At this time, the heat pump unit must be started for the heat supply cycle. Cooling water and waste heat sources are consumed, cooling water and a part of waste heat sources are wasted, and electric energy of electrical equipment (such as water pumps, etc.) is also consumed. increase operating costs. Another solution can also add a heat exchanger. When the temperature of the heat source in the hot place is lower than the temperature of the waste heat source, stop the heat pump unit and use the heat exchanger for heat exchange, which reduces the operating cost, but adding a heat exchanger, Increase the investment in the heating system.
(三)发明内容：(3) Contents of the invention:
本实用新型的目的在于解决上述技术问题，提供一种获得比驱动废热源温度高的高温热源时使用一般第二类溴化锂吸收式热泵制热循环(以下称热泵制热循环)，获得比驱动废热源温度低的低温热源时采用另一种低温制热循环方式(以下称低温制热循环)，在一台热泵机组上可根据热源温度要求进行切换，运行费用低、操作简单、高效节能的第二类溴化锂吸收式热泵。使热泵具有上述以往热泵加上热交换器组合才具有的功能。既节省了运行成本，又不增加投资。The purpose of this utility model is to solve the above-mentioned technical problems, and to provide a kind of general second-type lithium bromide absorption heat pump heating cycle (hereinafter referred to as heat pump heating cycle) when obtaining a high-temperature heat source with a higher temperature than the driving waste heat source. Another low-temperature heating cycle method (hereinafter referred to as low-temperature heating cycle) is used for low-temperature heat sources with low source temperature. On a heat pump unit, switching can be performed according to the temperature requirements of the heat source. Type II lithium bromide absorption heat pump. Make the heat pump have the functions that the combination of the above-mentioned conventional heat pump plus the heat exchanger has. It not only saves operating costs, but also does not increase investment.
本实用新型的技术方案是：在第二类溴化锂吸收式热泵的基础上，在蒸发器的同一腔体内增设第二冷凝器，输出热源管路与第二冷凝器连通，并在该管路上增设阀门。当要获得比驱动废热源温度高的高温热源时，采用热泵制热循环。该循环主要有发生器、冷凝器、蒸发器、吸收器、热交换器、溶液泵、冷剂泵等组成。废热源加热发生器中的溴化锂溶液，使其产生水蒸汽同时浓度升高。产生的水蒸汽在冷凝器中被冷却水冷凝变成冷剂水，冷却水从冷凝器中把冷剂蒸汽的热量带出机外，冷剂水流入蒸发器吸取废热源热水的热量而蒸发，发生器中的浓溶液流入吸收器吸收蒸发器过来的冷剂蒸汽。吸收过程产生的热量加热吸收器管内的流体，使管内流体温度升高，供用热场所使用。当要获得比驱动废热源温度低的低温热源时，采用低温制热循环。利用冷剂泵将冷剂水送往管内通驱动热源的蒸发器，水在高空下蒸发产生冷剂蒸汽，同时吸热使管内的驱动热源的温度降低，冷剂蒸汽进入管内通低温热源的第二冷凝器，冷剂蒸汽冷凝变成冷剂水，同时放热使管内低温热源温度升高，供用热场所使用。The technical scheme of the utility model is: on the basis of the second type of lithium bromide absorption heat pump, a second condenser is added in the same cavity of the evaporator, the output heat source pipeline is connected with the second condenser, and an additional condenser is installed on the pipeline. valve. When it is necessary to obtain a high-temperature heat source that is higher than the temperature of the driving waste heat source, a heat pump heating cycle is used. The cycle mainly consists of generator, condenser, evaporator, absorber, heat exchanger, solution pump, refrigerant pump and so on. The waste heat source heats the lithium bromide solution in the generator, causing it to generate water vapor and increase its concentration. The generated water vapor is condensed by the cooling water in the condenser to become refrigerant water. The cooling water takes the heat of the refrigerant vapor out of the machine from the condenser, and the refrigerant water flows into the evaporator to absorb the heat of the waste heat source hot water and evaporate. , the concentrated solution in the generator flows into the absorber to absorb the refrigerant vapor from the evaporator. The heat generated in the absorption process heats the fluid in the absorber tube, so that the temperature of the fluid in the tube rises, and it is used by the heating place. When a low-temperature heat source that is lower in temperature than the driving waste heat source is to be obtained, a low-temperature heating cycle is used. Use the refrigerant pump to send the refrigerant water to the evaporator that passes the driving heat source in the tube. The water evaporates at high altitude to generate refrigerant vapor. At the same time, it absorbs heat to reduce the temperature of the driving heat source in the tube. In the second condenser, the refrigerant steam condenses into refrigerant water, and at the same time releases heat to increase the temperature of the low-temperature heat source in the tube for use in the heat-consuming place.
本实用新型的优点如下：与一般的第二类溴化锂吸收式热泵机组相比，把制取高于废热源水温度的高温热源水和制取低于废热源水温度的低温热源水分开采用不同的流程形式。制取高于废热源水温度的高温热源水的流程与一般的第二类溴化锂吸收式热泵制热循环完全相同。制取低于废热源水温度的低温热源水采用低温制热流程，与热泵制热流程比较有以下的好处：1、不需要冷却水系统，节省了冷却水及冷却水系统运行的电耗。2、本实用新型制取低于废热源水温度的低温热源水的流程的COP值接近于1.0，而一般的第二类热泵制热循环的COP值在0.45左右。所以在废热源水温差不变的情况下，废热源水流量可以减少到原来一半，这样可以减少废热源水系统的电耗及节省废热源水的水量。综合起来，本实用新型热泵机组具有一台一般第二类溴化锂吸收式热泵加上一台热交换器组合运行才能达到的功能，减少了用户的初投资和运行费用。具有很好的实用价值。The advantages of the utility model are as follows: compared with the general second-type lithium bromide absorption heat pump unit, different methods are used to separate the high-temperature heat source water that is higher than the temperature of the waste heat source water and the low-temperature heat source water that is lower than the temperature of the waste heat source water. process form. The process of producing high-temperature heat source water higher than the temperature of waste heat source water is exactly the same as the general second type of lithium bromide absorption heat pump heating cycle. Compared with the heat pump heating process, the low-temperature heating process is used to produce low-temperature heat source water lower than the temperature of waste heat source water: 1. No cooling water system is required, which saves cooling water and power consumption for cooling water system operation. 2. The COP value of the process for producing low-temperature heat source water lower than the temperature of waste heat source water in the utility model is close to 1.0, while the COP value of the general second-type heat pump heating cycle is about 0.45. Therefore, under the condition that the temperature difference of the waste heat source water remains unchanged, the flow rate of the waste heat source water can be reduced to half, which can reduce the power consumption of the waste heat source water system and save the water volume of the waste heat source water. To sum up, the heat pump unit of the utility model has the functions that can only be achieved by the combined operation of a general second-type lithium bromide absorption heat pump and a heat exchanger, which reduces the initial investment and operation cost of the user. It has very good practical value.
(四)附图说明：(4) Description of drawings:
图1为一般的第二类溴化锂吸收式热泵结构流程示意图。Fig. 1 is a schematic flow chart of the structure of a general second type lithium bromide absorption heat pump.
图2为本专利提出的第二类溴化锂吸收式热泵结构流程示意图。Fig. 2 is a schematic flow chart of the structure of the second type lithium bromide absorption heat pump proposed in this patent.
(五)实施例：(5) embodiment:
下面结合附图对本实用新型作进一步详细描述：Below in conjunction with accompanying drawing, the utility model is described in further detail:
图1所示为一般第二类溴化锂吸收式热泵示意图。由发生器1、冷凝器2、蒸发器6、吸收器4、热交换器5、稀溶液泵7、冷剂泵8和系统管路及外部系统管路和阀门等组成。驱动热源加热发生器1中的溴化锂溶液，使其产生水蒸汽同时浓度升高。产生的水蒸汽在冷凝器2中被冷却水冷凝变成冷剂水，冷却水从冷凝器2中把冷剂蒸汽的热量带出机外，冷剂水通过冷剂水管9流入蒸发器6，蒸发器6中冷剂水通过冷剂泵8在蒸发器6中喷淋，吸取废热源热水的热量而蒸发产生冷剂蒸汽，发生器1中的浓溶液流入吸收器4吸收蒸发器6过来的冷剂蒸汽。吸收过程产生的热量加热吸收器4管内的流体，使管内流体温度升高，供用场所使用。Figure 1 shows a schematic diagram of a general second type lithium bromide absorption heat pump. It consists of generator 1, condenser 2, evaporator 6, absorber 4, heat exchanger 5, dilute solution pump 7,
图2所示为本专利提出的第二类溴化锂吸收式热泵结构流程示意图。图中发生器1、冷凝器2、浓溶液泵3、吸收器4、热交换器5、蒸发器6、稀溶液泵7、冷剂泵8、冷剂水管9、第二冷凝器10、热源进吸收器阀11、热源进第二冷凝器阀12、热源出吸收器阀13、冷剂泵出口管14、热源出第二冷凝器阀15、驱动热源出发生器阀16、驱动热源进发生器阀17。是在一般第二类溴化锂吸收式热泵基础上，在蒸发器6的同一腔体内增设一只第二冷凝器10，增设热源进吸收器阀11、热源进第二冷凝器阀12、热源出吸收器阀13、热源出第二冷凝器阀15、驱动热源出发生器阀16、驱动热源进发生器阀17。在需要制取比驱动热源温度略低的热源时，使用低温制热循环，此时，关闭驱动热源出发生器阀16、驱动热源进发生器阀17、热源出吸收器阀13、热源进吸收器阀11。打开热源进第二冷凝器阀12、热源出第二冷凝器阀15。停冷却水系统。驱动热源进蒸发器6，低温热源进第二冷凝器10，低温制热运行时，启动冷剂泵8，冷剂水在蒸发器6中吸收管内的驱动热源的热量沸腾产生冷剂蒸汽，驱动热源放热温度降低。蒸发器6中的冷剂蒸汽进入第二冷凝器10冷凝放热加热第二冷凝器10管内的热源，使热源温度升高，获得需要热源。Fig. 2 is a schematic flow chart showing the structure of the second type lithium bromide absorption heat pump proposed in this patent. In the figure, generator 1, condenser 2, concentrated solution pump 3, absorber 4, heat exchanger 5, evaporator 6, dilute solution pump 7,
该二用式第二类溴化锂吸收式热泵不仅适用于附图的几种形式，还适用于发生器冷凝器在蒸发器吸收器的上面，发生器冷凝器在蒸发器吸收器的下面，发生器冷凝器左右排列、左中右排列、上下排列等各种形式。The dual-purpose second-type lithium bromide absorption heat pump is not only suitable for several forms of the attached drawings, but also suitable for the generator condenser above the evaporator absorber, the generator condenser below the evaporator absorber, and the generator Condensers are arranged in various forms such as left-right arrangement, left-middle-right arrangement, and up-and-down arrangement.
该二用式第二类溴化锂吸收式热泵特别适用于与有毒、有害、有腐蚀性的介质的废热源利用场合，而且有大量废热源可以利用，因该场合使用的热泵和需要增设的其他换热设备需防腐蚀等特殊要求，增设换热器制造成本高，投资大。采用本实用新型，可更加有效利用废热源，并节省用户的运行成本，还可大大减少用户的投资。The dual-purpose second-class lithium bromide absorption heat pump is especially suitable for the use of waste heat sources with toxic, harmful and corrosive media, and there are a large number of waste heat sources that can be used. Thermal equipment needs special requirements such as anti-corrosion, and the manufacturing cost and investment of adding a heat exchanger are high. By adopting the utility model, the waste heat source can be used more effectively, the operation cost of the user can be saved, and the investment of the user can be greatly reduced.
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Cited By (7)
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| WO2012119264A1 (en) * | 2011-03-04 | 2012-09-13 | Li Huayu | Double-generating and double-absorption system and recuperative second-type absorption heat pump |
| WO2012122683A1 (en) * | 2011-03-12 | 2012-09-20 | Li Huayu | Third-type generation-absorption system and third-type absorption heat pump |
| WO2012145869A1 (en) * | 2011-04-29 | 2012-11-01 | Li Huayu | Three-class generation-absorption system and third-type absorption heat pump |
| WO2012159228A1 (en) * | 2011-05-23 | 2012-11-29 | Li Huayu | Third-type absorption-generation system and third-type absorption heat pump |
| WO2013003982A1 (en) * | 2011-07-06 | 2013-01-10 | Li Huayu | Third-type absorption heat pump |
| WO2013170406A1 (en) * | 2012-05-14 | 2013-11-21 | Li Huayu | Multistage condensation type iii absorption heat pump |
| CN105571194A (en) * | 2015-12-24 | 2016-05-11 | 希望深蓝空调制造有限公司 | Lithium bromide absorption type combined heat pump |
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2001
- 2001-12-04 CN CN01272669.9U patent/CN2525445Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119264A1 (en) * | 2011-03-04 | 2012-09-13 | Li Huayu | Double-generating and double-absorption system and recuperative second-type absorption heat pump |
| WO2012122683A1 (en) * | 2011-03-12 | 2012-09-20 | Li Huayu | Third-type generation-absorption system and third-type absorption heat pump |
| WO2012145869A1 (en) * | 2011-04-29 | 2012-11-01 | Li Huayu | Three-class generation-absorption system and third-type absorption heat pump |
| WO2012159228A1 (en) * | 2011-05-23 | 2012-11-29 | Li Huayu | Third-type absorption-generation system and third-type absorption heat pump |
| WO2013003982A1 (en) * | 2011-07-06 | 2013-01-10 | Li Huayu | Third-type absorption heat pump |
| WO2013170406A1 (en) * | 2012-05-14 | 2013-11-21 | Li Huayu | Multistage condensation type iii absorption heat pump |
| CN105571194A (en) * | 2015-12-24 | 2016-05-11 | 希望深蓝空调制造有限公司 | Lithium bromide absorption type combined heat pump |
| CN105571194B (en) * | 2015-12-24 | 2018-05-08 | 希望深蓝空调制造有限公司 | Suction-type lithium bromide combines heat pump |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021211 Termination date: 20100104 |