CN202470543U - Warming type absorption heat pump with middle-temperature heat source in series - Google Patents
Warming type absorption heat pump with middle-temperature heat source in series Download PDFInfo
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- CN202470543U CN202470543U CN2012201014169U CN201220101416U CN202470543U CN 202470543 U CN202470543 U CN 202470543U CN 2012201014169 U CN2012201014169 U CN 2012201014169U CN 201220101416 U CN201220101416 U CN 201220101416U CN 202470543 U CN202470543 U CN 202470543U
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Abstract
The utility model relates to a warming type absorption heat pump with middle-temperature heat source in series. The absorption heat pump with middle-temperature heat source in series comprises an evaporator, an absorber, a generator, a condenser and a solution heat exchanger. Middle-temperature heat sources are arranged in the evaporator and the generator of a heat pump unit in series and in sequence, and are acted as a low-temperature heat source and a driving heat source sequentially, thereby being capable of obtaining a heating medium with higher parameter in the absorber on one side and recovering quantity of heat of the middle-temperature heat sources fully after the middle-temperature heat sources release heat twice on the other side. When the heat pump unit is in operation, no high-grade energy is needed to consume, power consumption is low, and waste heat generated by a plurality of devices in industry field can be used. The warming absorption heat pump with middle-temperature heat source in series is low in energy consumption cost, good in operation economical efficiency, and can prepare a high-temperature heating medium with higher temperature than the middle-temperature heat sources in the absorber and achieve transferring of heat from the middle-temperature heat sources to a high-temperature heat source.
Description
Technical field
The utility model belongs to field of heating ventilation air conditioning, and the heating type absorption heat pump that warm subject string joins in particularly a kind of is to utilize low-temperature heat source as driving heat source, produces the heating type absorption heat pump of the high temperature heating agent higher than low-temperature heat source temperature.
Background technology
The a lot of devices of industrial circle produce a large amount of low-temperature waste heats below 150 ℃ in process of production; These low-temperature waste heats exist with forms such as waste water, flue gas, fuel oils usually, owing to the low and factors such as corrosivity, combustibility of its taste can't directly be used and waste; Moreover, also maybe needs special heat transmission equipment be set these low-temperature waste heats are cooled to uniform temperature for satisfying technological requirement.How utilizing above-mentioned used heat, under the condition that need not consume high-grade energy, produce the high temperature heating agent higher than low-temperature heat source temperature, is the problem that everybody is studying.
Summary of the invention
The purpose of the utility model be propose a kind of in the heating type absorption heat pump that joins of warm subject string; This source pump is produced the high temperature heating agent higher than low-temperature heat source temperature under the condition that need not consume high-grade energy, can realize energy-saving and emission-reduction and the purpose that increases economic benefit.
To achieve these goals, the technical scheme of the utility model is: the heating type absorption heat pump that warm subject string joins in a kind of comprises evaporimeter, absorber, generator, condenser and solution heat exchanger; Said evaporimeter, absorber, generator, condenser are shell-and-tube heat exchangers; Described shell-and-tube heat exchanger comprises housing and heat exchanger tube, on housing, is respectively arranged with the outlet of heat transferring medium import and heat transferring medium; The heat transferring medium of said evaporimeter and condenser shell is a water, and the heat transferring medium of said absorber and said generator body is a lithium-bromide solution; The heat exchanger tube input port of said evaporimeter is input port, warm source in being utilized; The heat exchanger tube delivery outlet of evaporimeter is connected to the heat exchanger tube input port of generator; The heat exchanger tube delivery outlet of generator is a warm source outlet in being utilized; The heat transferring medium outlet of said evaporator shell is communicated with the housing of said absorber through a tube connector; The housing of said generator is connected with the heat transferring medium import of said condenser shell through another tube connector; The heat transferring medium of condenser shell exports the heat transferring medium import that is connected to said evaporator shell through a cryogenic fluid pump, and the heat transferring medium of said generator body exports the heat transferring medium import that is connected to said absorber shell through a solution pump, and the heat transferring medium outlet of said absorber shell is connected to the heat transferring medium import of said generator body; The heat exchanger tube import of said condenser is connected the external refrigeration water entrance with outlet, and the heat exchanger tube import of said absorber is connected the outside hot equipment of using with outlet as the import and export that produce high temperature heat source; The heat transferring medium that said solution heat exchanger is serially connected in said absorber shell is imported and exported and the heat transferring medium of the generator body pipeline between importing and exporting in the middle of.
In the housing of said evaporimeter, absorber and generator, be respectively arranged with spray equipment, said spray equipment is connected with the heat transferring medium import of evaporimeter, absorber and generator body.
Said cryogenic fluid pump and solution pump all adopt canned motor pump.
Warm source is a kind of in the waste water that produces in the industrial processes, flue gas, the fuel oil in said.
The advantage of the utility model is; In warm source successively get into the evaporimeter and the generator of source pump with the series connection form; The low-temperature heat source and the driving heat source of serving as unit successively; On the one hand can obtain the more heating agent of high parameter at absorber, thus on the other hand warm source passed through twice heat release fully reclaimed in the heat in warm source.Need not consume high-grade energy during the source pump operation, power consumption is little, can utilize industrial circle much to install the used heat of generation, and low with the ability cost, performance driving economy is good.The heating type absorption heat pump that the utility model relates to utilizes low-temperature heat source as driving heat source; Need not consume high-grade energy and appropriately be provided with can produce under the flow condition of heat transferring medium than in the higher high temperature heating agent of warm source temperature, can realize energy-saving and emission-reduction and the purpose that increases economic benefit.
Below in conjunction with accompanying drawing and embodiment the utility model is made a detailed description.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
The heating type absorption heat pump that warm subject string joins in a kind of, referring to Fig. 1, the heating type absorption heat pump of said series connection comprises evaporimeter 1, absorber 2, generator 3, condenser 4, solution heat exchanger 5; Said evaporimeter, absorber, generator, condenser all are shell-and-tube heat exchangers; Described shell-and-tube heat exchanger comprises a housing 1-1,2-1,3-1,4-1 and heat exchanger tube 1-4,2-4,3-4,4-4, on housing, is respectively arranged with heat transferring medium import 1-2,2-2,3-2,4-2 and heat transferring medium outlet 1-3,2-3,3-3,4-3; Wherein, the heat transferring medium in said evaporimeter and the condenser shell is a water 9, and the heat transferring medium in said absorber and the said generator body is a lithium-bromide solution 10; The heat exchanger tube input port 1-4-1 of said evaporimeter is the input port in warm source 11 in being utilized; The heat exchanger tube delivery outlet 1-4-2 of evaporimeter is connected to generator heat exchanger tube input port 3-4-1; Generator heat exchanger tube delivery outlet 3-4-2 is the outlet in warm source in being utilized; The heat transferring medium outlet of said evaporator shell is communicated with the housing of said absorber through a tube connector 12; Said generator body is connected with the heat transferring medium import of said condenser shell through another tube connector 13; The outlet of condenser heat transferring medium is connected to the heat transferring medium import of said evaporator shell through a cryogenic fluid pump 6; The heat transferring medium outlet of said generator body is connected to the heat transferring medium import of said absorber shell through a solution pump 7; The heat transferring medium outlet of said absorber shell is connected to the heat transferring medium import of said generator body, and the heat exchanger tube import 4-4-1 of said condenser is connected external refrigeration water entrance 14 with outlet 4-4-2, and the heat exchanger tube import of said absorber is connected the outside hot equipment of using with outlet 2-4-1 as the import and export that produce high temperature heat source.
In order to improve the thermal efficiency of source pump; The heat transferring medium of said absorber shell import and export and the heat transferring medium of the generator body connecting line between importing and exporting on be serially connected with described solution heat exchanger, the solution heat exchanger of present embodiment is the braze welding type heat exchanger.
Said solution pump and solvent pump among the embodiment are canned motor pump.
The operation principle of present embodiment is: in warm source at first enter into the evaporimeter 1 of source pump, water as refrigerant absorbs its heat and evaporates, the steam of generation enters into absorber 2 and is absorbed by lithium-bromide solution; Warm source gets in the generator 3 as driving heat source then from evaporimeter 1 outflow; Heating concentrates from the bromize lithium dilute solution in the absorber 2; The refrigerant vapour that produces gets in the condenser 4; Condensed by from cooling tower 8 is a water as refrigerant, sends in the evaporimeter 1 through cryogenic fluid pump 6 then and continues refrigerant cycle; And the concentrated solution that produces enters into absorber 2 and continues to absorb refrigerant vapor and accomplish the lithium-bromide solutions circulation through solution pump 7 pressurizations and in solution heat exchanger 5 with after the weak solution heat exchange from absorber 2.The high temperature heat source of external heat-exchanging equipment leaves unit after getting into the lithium-bromide solution heat temperature raising that is absorbed heat release behind the steam in the absorber 2 of unit.Since lithium-bromide solution absorb the steam that comes from evaporimeter can produce than the higher temperature in warm source, therefore, the flow and the flow velocity of suitable control heat transferring medium, can obtain from the heat exchanger tube of absorber than the heat transferring medium of warm source higher temperature.Take away the heat of condensation of refrigerant vapour in the condenser 3 of the cooling water entering unit of from cooling tower, returning, flow back to the cooling tower cooling then.
In order to improve evaporation, absorption and generator efficiency, in the housing of said evaporimeter, absorber and generator, be provided with spray equipment 1-5,2-5,3-5, said spray equipment is connected with the heat transferring medium import of evaporimeter, absorber and generator body.
As shown in Figure 1, said evaporimeter is a shell-and-tube heat exchanger, and wherein heat exchanger tube is fixed on the tube sheet of both sides, in warm source in tube side, flow, water as refrigerant evaporates in the housing of evaporimeter, the cryogen spray equipment is arranged on the top of heat exchanger tube; Said absorber also is a shell-and-tube heat exchanger; Wherein heat exchanger tube is fixed on the tube sheet of both sides, and heat transferring medium flows in tube side, and the heat-exchanging tube bundle top in the housing is provided with the solution spraying device; Lithium-bromide solution on heat exchanger tube, absorbs the refrigerant vapour that produces in the evaporimeter by solution spraying device spray; The condenser of heating type absorption heat pump is a shell-and-tube heat exchanger, and heat exchanger tube is fixed on the tube sheet of both sides, and cooling water flows in tube side, and refrigerant vapour heat exchange pipe external surface in shell side that generator produces condenses; Said generator is a shell-and-tube heat exchanger; Wherein heat exchanger tube is fixed on the tube sheet of both sides, in warm source in tube side, flow, the heat-exchanging tube bundle top is provided with the solution spraying pipe in the shell side; Lithium-bromide solution in shell side by in warm source heating and produce steam, lithium-bromide solution becomes concentrated solution; The heating type absorption heat pump belongs to the said cryogenic fluid pump of vacuum equipment and solution pump all adopts canned motor pump.
Warm source can be a kind of in the forms such as the waste water that produces in the industrial processes, flue gas, fuel oil in the heating type absorption heat pump that relates among the embodiment.
Claims (4)
1. the heating type absorption heat pump that warm subject string joins in a kind comprises evaporimeter, absorber, generator, condenser and solution heat exchanger; Said evaporimeter, absorber, generator, condenser are shell-and-tube heat exchangers; Described shell-and-tube heat exchanger comprises housing and heat exchanger tube, on housing, is respectively arranged with the outlet of heat transferring medium import and heat transferring medium; It is characterized in that the heat transferring medium of said evaporimeter and condenser is a water, the heat transferring medium of said absorber and said generator is a lithium-bromide solution; The heat exchanger tube input port of said evaporimeter is input port, warm source in being utilized; The heat exchanger tube delivery outlet of evaporimeter is connected to the heat exchanger tube input port of generator; The heat exchanger tube delivery outlet of generator is a warm source outlet in being utilized; The heat transferring medium outlet of said evaporimeter is communicated with the housing of said absorber through a tube connector; The housing of said generator is connected with the heat transferring medium import of said condenser shell through another tube connector; The heat transferring medium of condenser shell exports the heat transferring medium import that is connected to said evaporator shell through a cryogenic fluid pump, and the heat transferring medium of said generator body exports the heat transferring medium import that is connected to said absorber shell through a solution pump, and the heat transferring medium outlet of said absorber shell is connected to the heat transferring medium import of said generator body; The heat exchanger tube import of said condenser is connected the external refrigeration water entrance with outlet, and the heat exchanger tube import of said absorber is connected the outside hot equipment of using with outlet as the import and export that produce high temperature heat source; The heat transferring medium that said solution heat exchanger is serially connected in said absorber shell is imported and exported and the heat transferring medium of the generator body pipeline between importing and exporting in the middle of.
2. the heating type absorption heat pump that warm subject string joins in a kind of according to claim 1; It is characterized in that; In the housing of said evaporimeter, absorber and generator, be respectively arranged with spray equipment, said spray equipment is connected with the heat transferring medium import of evaporimeter, absorber and generator body.
3. the heating type absorption heat pump that warm subject string joins in a kind of according to claim 1 is characterized in that said cryogenic fluid pump and solution pump all adopt canned motor pump.
4. the heating type absorption heat pump that warm subject string joins in a kind of according to claim 1 is characterized in that, said in warm source be a kind of in the waste water that produces in the industrial processes, flue gas, the fuel oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201014169U CN202470543U (en) | 2012-03-19 | 2012-03-19 | Warming type absorption heat pump with middle-temperature heat source in series |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201014169U CN202470543U (en) | 2012-03-19 | 2012-03-19 | Warming type absorption heat pump with middle-temperature heat source in series |
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| Publication Number | Publication Date |
|---|---|
| CN202470543U true CN202470543U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201014169U Expired - Lifetime CN202470543U (en) | 2012-03-19 | 2012-03-19 | Warming type absorption heat pump with middle-temperature heat source in series |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267388A (en) * | 2013-05-28 | 2013-08-28 | 郭少仪 | Efficient and environment-friendly heat pump |
| CN103727512A (en) * | 2014-01-06 | 2014-04-16 | 杭州沃润节能科技有限公司 | Waste heat recovering system capable of continuously generating steam aiming at impure waste water resources |
| CN104482690A (en) * | 2014-11-28 | 2015-04-01 | 东南大学 | Absorption type ground source heat pump device driven by solar energy heat |
| CN107677013A (en) * | 2017-10-13 | 2018-02-09 | 中国科学院理化技术研究所 | Continuous alternating temperature distillation generator and Absorption heat-transformer system |
| CN107726672A (en) * | 2017-10-13 | 2018-02-23 | 中国科学院理化技术研究所 | The continuous alternating temperature distillation generator and Absorption heat-transformer system that can be premixed |
-
2012
- 2012-03-19 CN CN2012201014169U patent/CN202470543U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267388A (en) * | 2013-05-28 | 2013-08-28 | 郭少仪 | Efficient and environment-friendly heat pump |
| CN103267388B (en) * | 2013-05-28 | 2015-04-15 | 郭少仪 | Efficient and environment-friendly heat pump |
| CN103727512A (en) * | 2014-01-06 | 2014-04-16 | 杭州沃润节能科技有限公司 | Waste heat recovering system capable of continuously generating steam aiming at impure waste water resources |
| CN104482690A (en) * | 2014-11-28 | 2015-04-01 | 东南大学 | Absorption type ground source heat pump device driven by solar energy heat |
| CN107677013A (en) * | 2017-10-13 | 2018-02-09 | 中国科学院理化技术研究所 | Continuous alternating temperature distillation generator and Absorption heat-transformer system |
| CN107726672A (en) * | 2017-10-13 | 2018-02-23 | 中国科学院理化技术研究所 | The continuous alternating temperature distillation generator and Absorption heat-transformer system that can be premixed |
| CN107726672B (en) * | 2017-10-13 | 2020-06-12 | 中国科学院理化技术研究所 | Premixing continuous variable temperature distillation generator and absorption type circulating system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
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| CX01 | Expiry of patent term |