CN104457014A - Dual-heat-source lithium bromide absorption type heat pump - Google Patents
Dual-heat-source lithium bromide absorption type heat pump Download PDFInfo
- Publication number
- CN104457014A CN104457014A CN201410150655.7A CN201410150655A CN104457014A CN 104457014 A CN104457014 A CN 104457014A CN 201410150655 A CN201410150655 A CN 201410150655A CN 104457014 A CN104457014 A CN 104457014A
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- CN
- China
- Prior art keywords
- generator
- evaporimeter
- condenser
- pipeline
- solution pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2315/00—Sorption refrigeration cycles or details thereof
- F25B2315/002—Generator absorber heat exchanger [GAX]
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a dual-heat-source lithium bromide absorption type heat pump. The dual-heat-source lithium bromide absorption type heat pump comprises generators, condensers, evaporators, an absorber and heat exchangers which are connected through pipes. The absorber is provided with a first cavity and a second cavity which are independent, the evaporators include the first evaporator and the second evaporator, the condensers include the first condenser and the second condenser, the generators include the first generator and the second generator, the heat exchangers include the first heat exchanger and the second heat exchanger; a waste heat water pipe sequentially passes through the first evaporator and the second evaporator; a hot water pipe sequentially passes through the first cavity, the first condenser, the second cavity and the second condenser. Compared with the prior art, dual heat sources can be used in the dual-heat-source lithium bromide absorption type heat pump for working, and the application range is wider.
Description
Technical field
The present invention relates to a kind of heat pump, particularly a kind of two thermal source lithium bromide absorption type heat pump.
Background technology
As shown in Figure 1, it comprises generator 1, condenser 2, evaporimeter 3, absorber 4 and heat exchanger 5 to the lithium bromide absorption type heat pump structure of existing single source (thermal source comprises steam, hot water etc., is only described for steam herein).During work, the weak solution (lithium-bromide solution) of absorber 4 is by entering generator 1 from the entrance of generator 1 after heat exchanger 5 and absorbing heat from heat source, produce steam, weak solution becomes concentrated solution, the concentrated solution of generator 1 is got back to absorber 4 through heat exchanger 5 and absorbs the steam of flash-pot 3, release heat simultaneously, the hot water be introduced in absorber 4 absorbs, hot water realizes once heating up, concentrated solution becomes weak solution again simultaneously, weak solution is pumped into generator 1 by solution pump 6 again, circulates and so forth.The steam that weak solution produces when becoming concentrated solution in generator 1 enters condenser 2 condensation, steam liquefy water, release heat, absorbed by hot water, hot water realizes last intensification, and the aqueous water of condenser 2 enters the heat absorbing remaining hot water in evaporimeter 3, becomes steam, steam enters absorber 4 and is absorbed by the concentrated solution in absorber 4, and remaining hot water is lowered the temperature heat release in evaporimeter 3.Refrigerant pump 7 is for being delivered to evaporimeter 3 top by condensate water bottom described evaporimeter 3.
But in actual production, inventor finds, this type of heat pump can only be applicable to the situation of the single steam of onsite application, and when user needs the different steam of use two kinds of pressure as thermal source and more utilizes low-pressure steam, then can not meet job requirement.
Summary of the invention
In view of the problems referred to above that prior art exists, the object of the present invention is to provide a kind of two thermal source lithium bromide absorption type heat pumps that pair thermal source can be utilized to carry out work.
To achieve these goals, provided by the invention pair of thermal source lithium bromide absorption type heat pump, comprise by the interconnective generator of pipeline, condenser, evaporimeter, absorber and heat exchanger, described pipeline comprises the remaining hot water pipeline of conveying remaining hot water, the hot water line of conveying hot water, the weak solution pipeline of conveying weak solution, the condensate line of the concentrated solution pipeline of conveying concentrated solution and the solidifying water of conveying, it is characterized in that, described absorber has the first separate chamber and the second chamber, described evaporimeter comprises the first evaporimeter being positioned at described first chamber and the second evaporimeter being positioned at described second chamber,
Described condenser comprises the first condenser be connected with described first evaporimeter bottom by condensate line and the second condenser be connected with described second evaporimeter bottom by another condensate line;
Described generator comprises the first generator and the second generator, and described first generator is connected with described first chamber lower portion by weak solution pipeline, and is connected with the middle part of described first chamber by concentrated solution pipeline; Described second generator is connected with the bottom of described second cavity by another weak solution pipeline, and is connected with the middle part of described second chamber by another concentrated solution pipeline;
Described heat exchanger is used for making to carry out heat exchange between weak solution pipeline and concentrated solution pipeline, it comprises and is arranged at the weak solution pipeline between described first generator and described first absorber and the First Heat Exchanger on concentrated solution pipeline, and is arranged at the weak solution pipeline between described second generator and described second absorber and the second heat exchanger on concentrated solution pipeline;
Described remaining hot water pipeline is successively through described first evaporimeter and described second evaporimeter;
Described hot water line is successively through the first cavity, the first condenser, the second cavity and the second condenser.
As preferably, described weak solution pipeline is provided with solution pump.
Compared with prior art, the present invention has following beneficial effect:
1, two thermal source can be utilized to carry out work, the scope of application is wider;
2, low-pressure steam is lower than the cost of high steam, a considerable number of, more utilizes low-pressure steam significantly to reduce costs, economize energy.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the lithium bromide absorption type heat pump of the single heat source of prior art;
Fig. 2 is the principle schematic of of the present invention pair of thermal source lithium bromide absorption type heat pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, structure of the present invention is further described in detail.
Figure 1 shows that the single heat source lithium bromide absorption type heat pump of prior art, as shown in Figure 1, general lithium bromide absorption type heat pump all comprises by the interconnective generator 1 of various pipeline usually, condenser 2, evaporimeter 3, absorber 4 and heat exchanger 5, described pipeline generally comprises the remaining hot water pipeline of conveying remaining hot water, the hot water line of conveying hot water, the weak solution pipeline of conveying weak solution, the condensate line of the concentrated solution pipeline of conveying concentrated solution and the solidifying water of conveying, these pipelines are respectively used to connect relevant device, play the effect of conveying medium, do not illustrate one by one in FIG.As described in present context technology, traditional this lithium bromide absorption type heat pump can only be applicable to the situation of single source.Figure 2 shows that the principle schematic of of the present invention pair of thermal source lithium bromide absorption type heat pump, as shown in Figure 2, generator in the present invention, condenser, evaporimeter, absorber and heat exchanger are all respectively provided with two covers, and except remaining hot water pipeline and hot water line, all the other pipelines are independent all separately to be arranged.Particularly, wherein said absorber has the first separate chamber 14 and the second chamber 24, and described evaporimeter comprises the first evaporimeter 13 being positioned at described first chamber 14 and the second evaporimeter 23 being positioned at described second chamber 24;
Described condenser comprises the first condenser 12 be connected with described first evaporimeter 13 bottom by condensate line 121 and the second condenser 22 be connected with described second evaporimeter 23 bottom by another condensate line 221;
Described generator comprises the first generator 11 and the second generator 21, described first generator 11 is connected with described first chamber 14 bottom by weak solution pipeline 111, and the bottom of the first generator 11 is connected with the middle part of described first chamber 14 by concentrated solution pipeline 112; Described second generator 21 is connected with the bottom of described second cavity 24 by another weak solution pipeline 211, and the bottom of the second generator 21 is connected with the middle part of described second chamber 24 by another concentrated solution pipeline 212;
Described heat exchanger is used for making to carry out heat exchange between weak solution pipeline and concentrated solution pipeline, it comprises and is arranged at the weak solution pipeline 111 between described first generator 11 and described first absorber 14 and the First Heat Exchanger 15 on concentrated solution pipeline 112, and is arranged at the weak solution pipeline 211 between described second generator 21 and described second absorber 24 and the second heat exchanger 25 on concentrated solution pipeline 212; Preferably, as shown in Figure 2, described weak solution pipeline can arrange solution pump respectively, as the solution pump 16 be arranged in Fig. 2 on weak solution pipeline 111 and the solution pump 26 be arranged on weak solution pipeline 211.
Described remaining hot water pipeline 20 is successively through described first evaporimeter 13 and described second evaporimeter 23;
Described hot water line 30 is successively through the first cavity 14, first condenser 12, second cavity 24 and the second condenser 22.
In the inventive solutions, remaining hot water is introduced into the first evaporimeter 13 of absorber by remaining hot water pipeline 20, enter the second evaporimeter 23 again, respectively by heat conduction to the chilled water in evaporimeter, chilled water in evaporimeter then recycles respectively by respective circulation line pumping, sees the refrigerant pump 17 in accompanying drawing and refrigerant pump 27.The temperature of remaining hot water self is in this course by high step-down.For evaporimeter, the quality of its evaporation effect is directly proportional to remaining hot water temperature, and the evaporation effect of the first evaporimeter 13 therefore in the first cavity 14 is better than the evaporation effect of the second evaporimeter 23 in the second cavity 24.Meanwhile, hot water is introduced into the first cavity 14 by hot water line 30, then enters in the first condenser 12 and absorb heat, then enters the second cavity 24, finally enters after carrying out secondary heat absorption in the second condenser 22, finally just enter user side.The temperature of hot water raises gradually in the process, and for absorber, wherein lithium-bromide solution assimilation effect quality is then inversely proportional to the temperature of hot water, and the heat absorption effect therefore in the first cavity 14 is better than the heat absorption effect in the second cavity 24.Based on above-mentioned condition, when reality uses, as shown in Figure 2, low-pressure steam can be passed into as thermal source in the first generator 11 of connection first cavity 14, and pass into high steam as thermal source in the second generator 21 of connection second cavity 24.Can find out, the present invention is compared to prior art and two thermal source (low-pressure steam thermal source and high steam thermal source) can be utilized to carry out work, and the scope of application is wider; Low-pressure steam is lower than the cost of high steam, a considerable number of, more utilizes low-pressure steam significantly to reduce costs, economize energy.
Certainly, the above is the preferred embodiment of invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (2)
1. a two thermal source lithium bromide absorption type heat pump, comprise by the interconnective generator of pipeline, condenser, evaporimeter, absorber and heat exchanger, the remaining hot water pipeline that described pipeline comprises conveying remaining hot water, the condensate line carried the hot water line of hot water, carry the weak solution pipeline of weak solution, carry the concentrated solution pipeline of concentrated solution and the solidifying water of conveying, it is characterized in that, described absorber has the first separate chamber and the second chamber, and described evaporimeter comprises the first evaporimeter being positioned at described first chamber and the second evaporimeter being positioned at described second chamber;
Described condenser comprises the first condenser be connected with described first evaporimeter bottom by condensate line and the second condenser be connected with described second evaporimeter bottom by another condensate line;
Described generator comprises the first generator and the second generator, and described first generator is connected with described first chamber lower portion by weak solution pipeline, and is connected with the middle part of described first chamber by concentrated solution pipeline; Described second generator is connected with the bottom of described second cavity by another weak solution pipeline, and is connected with the middle part of described second chamber by another concentrated solution pipeline;
Described heat exchanger is used for making to carry out heat exchange between weak solution pipeline and concentrated solution pipeline, it comprises and is arranged at the weak solution pipeline between described first generator and described first absorber and the First Heat Exchanger on concentrated solution pipeline, and is arranged at the weak solution pipeline between described second generator and described second absorber and the second heat exchanger on concentrated solution pipeline;
Described remaining hot water pipeline is successively through described first evaporimeter and described second evaporimeter;
Described hot water line is successively through the first cavity, the first condenser, the second cavity and the second condenser.
2. two thermal source lithium bromide absorption type heat pump as claimed in claim 1, is characterized in that, described weak solution pipeline is provided with solution pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410150655.7A CN104457014A (en) | 2014-04-15 | 2014-04-15 | Dual-heat-source lithium bromide absorption type heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410150655.7A CN104457014A (en) | 2014-04-15 | 2014-04-15 | Dual-heat-source lithium bromide absorption type heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104457014A true CN104457014A (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410150655.7A Pending CN104457014A (en) | 2014-04-15 | 2014-04-15 | Dual-heat-source lithium bromide absorption type heat pump |
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| CN (1) | CN104457014A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059353A (en) * | 2018-07-31 | 2018-12-21 | 北京华源泰盟节能设备有限公司 | A kind of residual neat recovering system and waste heat reclaiming process based on absorption heat pump |
| CN111174464A (en) * | 2020-01-06 | 2020-05-19 | 同方节能装备有限公司 | Double-effect double-energy water chilling unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11264623A (en) * | 1998-03-19 | 1999-09-28 | Hitachi Ltd | Absorptive refrigerator |
| CN101000179A (en) * | 2006-12-31 | 2007-07-18 | 李华玉 | Two-stage and multi-stage absorption refrigeration machine |
| CN103123181A (en) * | 2012-12-06 | 2013-05-29 | 双良节能系统股份有限公司 | Single-effect and double-effect compound-type lithium bromide absorption refrigerating device with smoke and hot water afterburning |
| CN202973647U (en) * | 2012-12-06 | 2013-06-05 | 双良节能系统股份有限公司 | Flue gas hot water single/double-effect composite lithium bromide absorption refrigerating unit |
| CN204084939U (en) * | 2014-04-15 | 2015-01-07 | 同方川崎节能设备有限公司 | A kind of two thermal source lithium bromide absorption type heat pump |
-
2014
- 2014-04-15 CN CN201410150655.7A patent/CN104457014A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11264623A (en) * | 1998-03-19 | 1999-09-28 | Hitachi Ltd | Absorptive refrigerator |
| CN101000179A (en) * | 2006-12-31 | 2007-07-18 | 李华玉 | Two-stage and multi-stage absorption refrigeration machine |
| CN103123181A (en) * | 2012-12-06 | 2013-05-29 | 双良节能系统股份有限公司 | Single-effect and double-effect compound-type lithium bromide absorption refrigerating device with smoke and hot water afterburning |
| CN202973647U (en) * | 2012-12-06 | 2013-06-05 | 双良节能系统股份有限公司 | Flue gas hot water single/double-effect composite lithium bromide absorption refrigerating unit |
| CN204084939U (en) * | 2014-04-15 | 2015-01-07 | 同方川崎节能设备有限公司 | A kind of two thermal source lithium bromide absorption type heat pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059353A (en) * | 2018-07-31 | 2018-12-21 | 北京华源泰盟节能设备有限公司 | A kind of residual neat recovering system and waste heat reclaiming process based on absorption heat pump |
| CN109059353B (en) * | 2018-07-31 | 2021-01-26 | 北京华源泰盟节能设备有限公司 | Waste heat recovery system and waste heat recovery process based on absorption heat pump |
| CN111174464A (en) * | 2020-01-06 | 2020-05-19 | 同方节能装备有限公司 | Double-effect double-energy water chilling unit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |