CN2525444Y - Two puprose second class lithium bromide absorptive heat pump - Google Patents
Two puprose second class lithium bromide absorptive heat pump Download PDFInfo
- Publication number
- CN2525444Y CN2525444Y CN 01272668 CN01272668U CN2525444Y CN 2525444 Y CN2525444 Y CN 2525444Y CN 01272668 CN01272668 CN 01272668 CN 01272668 U CN01272668 U CN 01272668U CN 2525444 Y CN2525444 Y CN 2525444Y
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- absorber
- solution
- water
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- pipeline
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Abstract
The utility model relates to a two-purpose second class lithium bromide absorptive heat pump. The lower part of an absorber (4) is provided with a solution disk (15), wherein, the solution disk leads to a solution pipe of a solution liquid airbag on the lower part of the absorber and leads to a coolant water pipe of a coolant water liquid airbag on the lower part of an evaporator and is provided with valves (11,13); a condenser (2) leads to a coolant water pipe of an evaporator (6), and the coolant water pipe is provided with a branch pipe which leads to the absorber and is provided with a valve (18); a pipe through which the strong solution flows out from a heat exchanger (5) and flows into the absorber is provided with a branch pipe directly communicated with the liquid airbag of the absorber and is provided with a valve (12), and a pipe through which the strong solution flows out from a heat exchanger (5) and flows into the absorber for spraying is provided with a valve (10).The heat pump decreases initial investment and operation cost for users and has good practical value.
Description
(1) technical field: the utility model relates to a kind of lithium bromide absorption type heat pump unit.Relating in particular to a kind of is driving heat source with the waste heat source, adopts different circulations both can produce high temperature heat source, can produce the low-temperature heat source a little less than driving heat source again.Belong to the lithium bromide technical field of heat pumps.
(2) background technology: second lithium bromide absorption type heat pump as driving heat source, obtains the thermal source of higher temperature with waste thermal energy under the condition of using cooling water, is the equipment of a kind of energy effectively reclaiming waste heat source energy.This equipment mainly contains generator, condenser, evaporimeter, absorber, heat exchanger and connects compositions such as the pump of this system, pipeline, valve.Heating flow process is that waste heat source adds the lithium-bromide solution in the heater, makes it produce water vapour concentration rising simultaneously.The water vapour that the produces water that is cooled in condenser becomes water as refrigerant, cooling water is taken the heat of refrigerant vapour outside the machine out of from condenser, the water as refrigerant inflow evaporator is drawn the heat of waste heat source hot water and is evaporated, and the concentrated solution inflow absorber in the generator absorbs the refrigerant vapour that evaporimeter is come.Fluid in the heat heating absorber tube that absorption process produces, the tube fluid temperature is raise, for using with thermal field, because some is with the variation owing to external conditions such as seasonal variations of thermal field institute, the heat source fluid temperature that requires also changes thereupon, possible heat source temperature is lower than the temperature of waste heat source, and owing to the reason (as reasons such as burn into are poisonous, harmful) of waste heat source itself can not be directly used in the heat supply place, must start source pump this moment and carry out the heat supply circulation.Consumed cooling water and waste heat source, wasted cooling water and a part of waste heat source, the electric energy of consumer (as water pump etc.) also consumes.Operating cost is increased.Another scheme can also increase a heat exchanger, when hanging down than the temperature of waste heat source with thermal field institute heat source temperature, stops source pump, use heat exchanger to carry out heat exchange, operating cost is reduced, but increase a heat exchanger, the investment of heating system is increased.
(3) summary of the invention:
The purpose of this utility model is to solve the problems of the technologies described above, provide a kind of the acquisition to use general second lithium bromide absorption type heat pump to heat circulation (heating circulation) when driving the high high temperature heat source of waste heat source temperature to call heat pump in the following text, obtain to adopt when driving the low low-temperature heat source of waste heat source temperature another kind of low-temperature heating endless form (to call the low-temperature heating circulation in the following text), on a source pump, can require to switch second lithium bromide absorption type heat pump that operating cost is low, simple to operate, energy-efficient according to heat source temperature.Make heat pump have the function that above-mentioned heat pump in the past adds that the heat exchanger combination just has.Both save operating cost, do not increased investment again.
The technical solution of the utility model is: on the basis of second lithium bromide absorption type heat pump, set up solution pipeline and the solution dish that solution dish, solution dish lead to absorber bottom solution liquid capsule in the absorber bottom and lead to the water as refrigerant pipeline of evaporimeter bottom water as refrigerant liquid capsule, and valve is being set on the solution pipeline, on the water as refrigerant pipeline, valve is being set; On the water as refrigerant pipeline of evaporimeter, increase bye-pass at condenser, and on this pipeline, valve is set towards absorber; Go out to set up arm on the pipeline that heat exchanger advances absorber in concentrated solution and directly lead to absorber liquid capsule, and on this pipeline, valve is set, go out on the pipeline that heat exchanger advances the absorber spray to set up valve in concentrated solution.When obtaining to adopt heat pump to heat circulation when driving the high high temperature heat source of waste heat source temperature.This circulation mainly contains compositions such as generator, condenser, evaporimeter, absorber, heat exchanger, solution pump, cryogenic fluid pump.Waste heat source adds the lithium-bromide solution in the heater, makes it produce water vapour concentration rising simultaneously.The water vapour that the produces water condensation that is cooled in condenser becomes water as refrigerant, cooling water is taken the heat of refrigerant vapour outside the machine out of from condenser, the water as refrigerant inflow evaporator is drawn the heat of waste heat source hot water and is evaporated, and the concentrated solution inflow absorber in the generator absorbs the refrigerant vapour that evaporimeter is come.Fluid in the heat heating absorber tube that absorption process produces raises the tube fluid temperature, for using with thermal field.When obtaining to adopt the low-temperature heating circulation when driving the low low-temperature heat source of waste heat source temperature.Utilize cryogenic fluid pump water as refrigerant to be sent to the evaporimeter of logical driving heat source in the pipe, water evaporates under the high-altitude and produces refrigerant vapour, heat absorption simultaneously reduces the temperature of the driving heat source in the pipe, refrigerant vapour enters the absorber of logical low-temperature heat source in the pipe, the refrigerant vapour condensation becomes water as refrigerant, heat release simultaneously makes low-temperature heat source temperature rising in the pipe, for using with thermal field.
Advantage of the present utility model is as follows: compare with the second general lithium bromide absorption type heat pump unit, producing the high temperature heat source water that is higher than the waste heat source coolant-temperature gage and producing the low-temperature heat source moisture exploitation that is lower than the waste heat source coolant-temperature gage with different flow process forms.Producing the flow process of the high temperature heat source water that is higher than the waste heat source coolant-temperature gage and general second lithium bromide absorption type heat pump, to heat circulation identical.Produce the low-temperature heat source hydromining low-temperature heating flow process that is lower than the waste heat source coolant-temperature gage, heating flow process with heat pump relatively has following benefit: 1, do not need cooling water system, saved the power consumption of cooling water and cooling water system operation.2, the utility model COP value of producing the flow process of the low-temperature heat source water that is lower than the waste heat source coolant-temperature gage approaches 1.0, and the second general class heat pump heats the COP value of circulation about 0.45.So under the constant situation of waste heat source water temperature difference, waste heat source discharge can reduce to original half, can reduce the power consumption of waste heat source water system and the water yield of saving waste heat source water like this.Integrate, the utility model source pump has the function that general second lithium bromide absorption type heat pump adds that a heat exchanger combination operation just can reach, and has reduced user's initial cost and operating cost.Has good practical value.
(4) description of drawings:
Fig. 1 is the second general lithium bromide absorption type heat pump structure schematic flow sheet.
The second lithium bromide absorption type heat pump structure schematic flow sheet that Fig. 2 proposes for this patent.
(5) embodiment:
Below in conjunction with accompanying drawing the utility model is described in further detail:
Figure 1 shows that the general second lithium bromide absorption type heat pump schematic diagram.Form by generator 1, condenser 2, evaporimeter 6, absorber 4, heat exchanger 5, weak solution pump 7, cryogenic fluid pump 8 and system pipeline and external system pipeline and valve etc.Driving heat source adds the lithium-bromide solution in the heater 1, makes it produce water vapour concentration rising simultaneously.The water vapour that the produces water condensation that is cooled in condenser 2 becomes water as refrigerant, cooling water is taken the heat of refrigerant vapour outside the machine out of from condenser 2, water as refrigerant is by cryogen water pipe 9 inflow evaporators 6, water as refrigerant sprays in evaporimeter 6 by cryogenic fluid pump 8 in the evaporimeter 6, draw the heat of waste heat source hot water and evaporate the generation refrigerant vapour, the concentrated solution inflow absorber 4 in the generator 1 absorbs the refrigerant vapour that evaporimeter 6 is come.The heat that absorption process produces adds the fluid in heat absorber 4 pipes, the tube fluid temperature is raise, for using with the place.
Figure 2 shows that the dual-purpose type second lithium bromide absorption type heat pump structure schematic flow sheet that this patent proposes.Generator 1, condenser 2, concentrated solution pump 3, absorber 4, heat exchanger 5, evaporimeter 6, weak solution pump 7, cryogenic fluid pump 8, cryogen water pipe 9, concentrated solution are advanced absorber shower valve 10, absorber and solution liquid capsule communicating valve 11, concentrated solution and liquid capsule communicating valve 12, absorber and water as refrigerant liquid capsule communicating valve 13, cryogenic fluid pump outlet 14, solution dish 15, driving heat source and are gone out that generator valve 16, driving heat source advance generator valve 17, the condenser water as refrigerant advances absorber valve 18 among the figure.Be on the general second lithium bromide absorption type heat pump basis, separate with dividing plate, set up liquid dish 15, solution pipeline and water as refrigerant pipeline in absorber 4 bottoms.Liquid dish 15 leads to sets up absorber 4 and solution liquid capsule communicating valve 11 on the solution pipeline of absorber 4 bottom solution liquid capsules, lead at liquid dish 15 and set up absorber 4 and water as refrigerant liquid capsule communicating valve 13 on the pipeline of evaporimeter 6 bottom water as refrigerant liquid capsules; Lead at condenser 2 and to set up bye-pass on the water as refrigerant pipeline of evaporimeter 6 and lead to absorber 4, and the condenser water as refrigerant is set on this pipeline advances absorber valve 18; Go out to set up arm on the pipeline that heat exchanger 5 enters absorber 4 in concentrated solution and directly lead to absorber liquid capsule, and concentrated solution and solution liquid capsule communicating valve 12 be set on this pipeline, go out on the pipeline that heat exchanger 5 advances the absorber spray concentrated solution to be set and to advance absorber shower valve 10 in concentrated solution.When needs are produced than the lower slightly low-temperature heat source of driving heat source temperature, open the condenser water as refrigerant and advance absorber valve 18, absorber and solution liquid capsule communicating valve 11, concentrated solution and solution liquid capsule communicating valve 12.Close concentrated solution and advance absorber shower valve 10.It is identical that absorber and water as refrigerant liquid capsule communicating valve 13 and heat pump heat circulation time, is in closed condition.It is identical that external system pipeline and heat pump heat circulation time, the purpose of moving like this is that the solution with absorber washes away totally with the water as refrigerant in the condenser 2, and obtain pure water as refrigerant, move after several hours, record water as refrigerant pure after, stop the heat pump heating operation, close concentrated solution and solution liquid capsule communicating valve 12, condenser water as refrigerant and advance absorber valve 18, absorber and solution liquid capsule communicating valve 11, open absorber and water as refrigerant liquid capsule communicating valve 13.In the external system, driving heat source is advanced generator valve 17 and driving heat source and is gone out generator valve 16 and close, and cooling water system stops.Driving heat source is advanced evaporimeter 6, and thermal source advances absorber 4.During the low-temperature heating operation, start cryogenic fluid pump 8, water as refrigerant seethes with excitement in evaporimeter and produces refrigerant vapour, and refrigerant vapour enters absorber 4 condensation heat releases and adds the interior thermal source of heat absorber 4 pipes, and heat source temperature is raise, and need to obtain thermal source.
This dual-purpose second lithium bromide absorption type heat pump is not only applicable to several forms of accompanying drawing, be applicable to that also the generator condenser is on the evaporimeter absorber, the generator condenser various forms such as arranges, arrange, be arranged above and below in the left, center, right about the generator condenser below the evaporimeter absorber.
This dual-purpose second lithium bromide absorption type heat pump is specially adapted to utilize occasion with waste heat source poisonous, harmful, mordant medium, and there are a large amount of waste heat source to utilize, because of this occasion heat pump that uses and other heat transmission equipments that need set up need specific (special) requirements such as anticorrosion, set up heat exchanger manufacturing cost height, investment is big.Adopt the utility model, can more effectively utilize waste heat source, and save user's operating cost, also can significantly reduce user's investment.
Claims (1)
1, a kind of dual-purpose type second lithium bromide absorption type heat pump, comprise generator (1), condenser (2), evaporimeter (6), absorber (4), heat exchanger (5) and the pump, pipeline, the valve that connect this system, it is characterized in that setting up solution pipeline and the solution dish that solution dish (15), solution dish lead to absorber bottom solution liquid capsule and lead to the water as refrigerant pipeline of evaporimeter bottom water as refrigerant liquid capsule, and valve (11) is being set on the solution pipeline, valve (13) is set on the water as refrigerant pipeline in absorber (4) bottom; On the water as refrigerant pipeline of evaporimeter (6), increase bye-pass at condenser (2), and valve (18) is set on this pipeline towards absorber (4); Go out to set up arm on the pipeline that heat exchanger (5) enters absorber (4) in concentrated solution and directly lead to absorber liquid capsule, and valve (12) is set on this pipeline, go out on the pipeline that heat exchanger (5) advances absorber (4) spray to set up valve (10) in concentrated solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272668 CN2525444Y (en) | 2001-12-04 | 2001-12-04 | Two puprose second class lithium bromide absorptive heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272668 CN2525444Y (en) | 2001-12-04 | 2001-12-04 | Two puprose second class lithium bromide absorptive heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2525444Y true CN2525444Y (en) | 2002-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01272668 Expired - Fee Related CN2525444Y (en) | 2001-12-04 | 2001-12-04 | Two puprose second class lithium bromide absorptive heat pump |
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| Country | Link |
|---|---|
| CN (1) | CN2525444Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812003A (en) * | 2022-02-16 | 2022-07-29 | 中船双瑞(洛阳)特种装备股份有限公司 | Double-heat-source waste heat recovery type heat pump and heat exchange unit |
-
2001
- 2001-12-04 CN CN 01272668 patent/CN2525444Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812003A (en) * | 2022-02-16 | 2022-07-29 | 中船双瑞(洛阳)特种装备股份有限公司 | Double-heat-source waste heat recovery type heat pump and heat exchange unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |