CN103868273B - With the dual-effect type-II lithium bromide absorption heat pump of water as refrigerant heat recovery - Google Patents
With the dual-effect type-II lithium bromide absorption heat pump of water as refrigerant heat recovery Download PDFInfo
- Publication number
- CN103868273B CN103868273B CN201410071227.5A CN201410071227A CN103868273B CN 103868273 B CN103868273 B CN 103868273B CN 201410071227 A CN201410071227 A CN 201410071227A CN 103868273 B CN103868273 B CN 103868273B
- Authority
- CN
- China
- Prior art keywords
- water
- refrigerant
- pressure generator
- pump
- heat
- 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.)
- Active
Links
Classifications
-
- 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
-
- 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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
-
- 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
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to a kind of dual-effect type-II lithium bromide absorption heat pump with water as refrigerant heat recovery.Comprise evaporimeter (1), absorber (2), high pressure generator (3), low pressure generator (4), condenser (5), high-temperature heat exchanger (6), low temperature heat exchanger (7), solution pump (8), cryogen spray pump (9), refrigerant cycle pump (10) and water as refrigerant heat exchanger (11), the high temperature refrigerant vapour that solution concentrates generation in high pressure generator (3) in low pressure generator (4) as thermal source exothermic condensation after, enter condenser (5) through water as refrigerant heat exchanger (11); Water as refrigerant in condenser (5) enters in evaporimeter (1) through water as refrigerant heat exchanger (11) after being extracted out by refrigerant cycle pump (10).High temperature refrigerant vapour of the present invention coagulates water and just enter condenser after water as refrigerant heat exchanger heat exchange cryogenic coolant water, decrease it and enter the heat that condenser shwoot is lowered the temperature and cooled water-band is walked, and the waste heat source consumption decreased in evaporimeter, thus improve the efficiency that waste heat source converts high temperature heat source to.
Description
Technical field
The present invention relates to a kind of dual-effect type-II lithium bromide absorption heat pump.Belong to air conditioner technical field.
Background technology
The dual-effect type-II lithium bromide absorption heat pump of existing solution series flow process as shown in Figure 1.Be made up of the pipeline of evaporimeter 1, absorber 2, high pressure generator 3, low pressure generator 4, condenser 5, high-temperature heat exchanger 6, low temperature heat exchanger 7, solution pump 8, cryogen spray pump 9, refrigerant cycle pump 10, control system (not shown) and connecting components, valve.Waste heat source and course flows through absorber 2, cooling water flow through condenser 5 through evaporimeter 1 and high pressure generator 3, hot water.During unit operation, extracted out from heat from heat source more than the water as refrigerant absorption that the spray of evaporimeter 1 top is flows through in evaporimeter 1 heat-transfer pipe by cryogen spray pump 9, enter absorber 2 after vaporization, absorbed by bromize lithium concentrated solution wherein, and release heat heating flows through the hot water of absorber; After in absorber 2, bromize lithium concentrated solution absorbs refrigerant vapour, concentration is thinning, enter in high pressure generator 3 after high-temperature heat exchanger 6 heat exchange cooling and concentrated by remaining heat source, intermediate solution after concentrated enters in low pressure generator 4 after low temperature heat exchanger 7 heat exchange cooling, the refrigerant vapour being concentrated generation by solution in high pressure generator 3 heats concentrated again, concentrated solution after concentrated is extracted out by solution pump 8, comes back in absorber 2 and absorb refrigerant vapour after low temperature heat exchanger 7 and high-temperature heat exchanger 6 heat exchange heat up; And the concentrated high temperature refrigerant vapour condensation after heated solution in low pressure generator 4 produced in high pressure generator 3, all enter in condenser 5 with concentrating and separating refrigerant vapour out in low pressure generator 4, cooled water-band walks heat condensation, then is delivered in evaporimeter 1 by refrigerant cycle pump 10.
Except above-mentioned serial flow, (weak solution of absorber 2 is introduced in high pressure generator 3 concentrated existing dual-effect type-II lithium bromide absorption heat pump, enter again in low pressure generator 4 and continue to concentrate, finally return in absorber 2) outward, (weak solution of absorber 2 is introduced in low pressure generator 4 concentrated to also have serial flow, enter again in high pressure generator 3 and continue to concentrate, finally return in absorber 2) and parallel-connection flow (the weak solution parallel connection of absorber 2 enters in high pressure generator 3 and low pressure generator 4 concentrated by heating, concentrated solution after concentrated is got back in absorber 2 more in the lump).
Above-mentioned dual-effect type-II lithium bromide absorption heat pump, no matter be which kind of flow process, the refrigerant vapour that in its high pressure generator 3, lithium-bromide solution concentrates generation in low pressure generator 4 as condensation after thermal source release heat, the water as refrigerant that temperature is higher is introduced into shwoot in condenser 5 and condensation, the partial heat water-band that is cooled goes out unit, and the water as refrigerant that final temperature is lower is just sent back in evaporimeter 1 by refrigerant cycle pump 10.If by the heat recovery and utilization of this part high temperature water as refrigerant, then can reduce the heat that cooled water is taken away from condenser 5, thus improve the ratio that waste heat is converted into high-grade heat, namely improve efficiency of energy utilization.
Summary of the invention
The object of the invention is to reclaim the heat that the high temperature refrigerant vapour produced as condensation after thermal source release heat in low pressure generator coagulates water, the dual-effect type-II lithium bromide absorption heat pump of the band water as refrigerant heat recovery providing a kind of efficiency higher.
The object of the present invention is achieved like this: a kind of dual-effect type-II lithium bromide absorption heat pump with water as refrigerant heat recovery, comprise evaporimeter, absorber, high pressure generator, low pressure generator, condenser, high-temperature heat exchanger, low temperature heat exchanger, solution pump, cryogen spray pump and refrigerant cycle pump, described heat pump has additional a water as refrigerant heat exchanger, the high temperature refrigerant vapour that in high pressure generator, solution concentrates generation as after thermal source exothermic condensation, enters condenser through water as refrigerant heat exchanger in low pressure generator; Water as refrigerant in condenser enters in evaporimeter through water as refrigerant heat exchanger after being extracted out by refrigerant cycle pump.
The invention has the beneficial effects as follows:
The present invention is by increase water as refrigerant heat exchanger, make to coagulate water before entering condenser as the high temperature refrigerant vapour produced that condenses after low pressure generator thermal source, first with by refrigerant cycle pump carry out heat exchange cooling from the cryogenic coolant water being sent to evaporimeter after condenser is extracted out, thus reclaimed part in the past in dual-effect type-II lithium bromide absorption heat pump high temperature refrigerant vapour coagulate the water heat that cooled water for cooling is taken away in condenser, simultaneous temperature raises later water as refrigerant and enters evaporimeter, the consumption of calorie in waste heat source in evaporimeter can be reduced, thus promote the ratio that waste heat source converting heat is high-grade heat, promote efficiency of energy utilization.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of dual-effect type-II lithium bromide absorption heat pump in the past.
Fig. 2 is a kind of solution series flow process application example of the dual-effect type-II lithium bromide absorption heat pump of band water as refrigerant heat recovery of the present invention.
Reference numeral in figure:
Evaporimeter 1, absorber 2, high pressure generator 3, low pressure generator 4, condenser 5, high-temperature heat exchanger 6, low temperature heat exchanger 7, solution pump 8, cryogen spray pump 9, refrigerant cycle pump 10, water as refrigerant heat exchanger 11.
A1 is entered in waste heat source, and waste heat source goes out A2, and hot water enters B1, and hot water goes out B2, and cooling water enters C1, and cooling water goes out C2.
Detailed description of the invention
Fig. 2 is a kind of solution series flow process application example figure of the dual-effect type-II lithium bromide absorption heat pump of band water as refrigerant heat recovery involved in the present invention.This unit is made up of the pipeline, valve etc. of evaporimeter 1, absorber 2, high pressure generator 3, low pressure generator 4, condenser 5, high-temperature heat exchanger 6, low temperature heat exchanger 7, solution pump 8, cryogen spray pump 9, refrigerant cycle pump 10, water as refrigerant heat exchanger 11, control system (not shown) and connecting components.The parallel connection of waste heat source flows through evaporimeter 1 and high pressure generator 3, and hot water flows through absorber 2, and cooling water flow is through condenser 5.During unit operation, from heat from heat source more than the water as refrigerant absorption that the spray of evaporimeter 1 top is flows through in evaporimeter 1 heat-transfer pipe after being extracted out by cryogen spray pump 9, enter absorber 2 after vaporization, absorbed by bromize lithium concentrated solution wherein, and release heat heats the hot water flowed through in absorber 2 heat-transfer pipe; After in absorber 2, bromize lithium concentrated solution absorbs refrigerant vapour, concentration is thinning, enter in high pressure generator 3 after high-temperature heat exchanger 6 heat exchange cooling and concentrated by remaining heat source, intermediate solution after concentrated enters in low pressure generator 4 after low temperature heat exchanger 7 heat exchange cooling, the refrigerant vapour being concentrated generation by solution in high pressure generator 3 heats concentrated again, concentrated solution after concentrated is extracted out by solution pump 8, comes back in absorber 2 and absorb refrigerant vapour after low temperature heat exchanger 7 and high-temperature heat exchanger 6 heat exchange heat up; High temperature refrigerant vapour in low pressure generator 4 as after thermal source exothermic condensation, after water as refrigerant heat exchanger 11 heat exchange cooling, enter condenser 5, in low pressure generator 4, concentrating and separating refrigerant vapour out also enters cooled water-band in condenser 5 and walks heat condensation simultaneously; Refrigerant vapour in condenser 5 coagulates water and is extracted out by refrigerant cycle pump 10, sends in evaporimeter 1 after water as refrigerant heat exchanger 11 heat exchange heats up.
In the dual-effect type-II lithium bromide absorption heat pump of the band water as refrigerant heat recovery shown in Fig. 2, absorber lithium-bromide solution out connects first to flow through high pressure generator 3, flow through low pressure generator 4 again, it also can be connect first to flow through low pressure generator 4, flow through high pressure generator 3 again, or parallel connection flows through high pressure generator 3 and low pressure generator 4.
The dual-effect type-II lithium bromide absorption heat pump of the band water as refrigerant heat recovery shown in Fig. 2 is that one or both waste heat source parallel connections flow through evaporimeter 1 and high pressure generator 3, and it also source-seriesly first can flow through evaporimeter 1, flows through high pressure generator 3 again by a kind of waste heat; Or a kind of waste heat source-seriesly first flows through high pressure generator 3, flows through evaporimeter 1 again.
Claims (3)
1. the dual-effect type-II lithium bromide absorption heat pump with water as refrigerant heat recovery, comprise evaporimeter (1), absorber (2), high pressure generator (3), low pressure generator (4), condenser (5), high-temperature heat exchanger (6), low temperature heat exchanger (7), solution pump (8), cryogen spray pump (9) and refrigerant cycle pump (10), it is characterized in that: described heat pump has additional a water as refrigerant heat exchanger (11), the high temperature refrigerant vapour that solution concentrates generation in high pressure generator (3) in low pressure generator (4) as thermal source exothermic condensation after, condenser (5) is entered through water as refrigerant heat exchanger (11), water as refrigerant in condenser (5) enters in evaporimeter (1) through water as refrigerant heat exchanger (11) after being extracted out by refrigerant cycle pump (10).
2. a kind of dual-effect type-II lithium bromide absorption heat pump with water as refrigerant heat recovery according to claim 1, it is characterized in that: the lithium-bromide solution going out described absorber (2) connects first to flow through high pressure generator (3), then flow through low pressure generator (4); Or series connection first flows through low pressure generator (4), then flow through high pressure generator (3); Or parallel connection flows through high pressure generator (3) and low pressure generator (4).
3. a kind of dual-effect type-II lithium bromide absorption heat pump with water as refrigerant heat recovery according to claim 1, is characterized in that: one or both waste heat source parallel connections flow through evaporimeter (1) and high pressure generator (3); Or a kind of waste heat is source-series first flows through evaporimeter (1), then flow through high pressure generator (3); Or a kind of waste heat is source-series first flows through high pressure generator (3), then flow through evaporimeter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071227.5A CN103868273B (en) | 2014-03-01 | 2014-03-01 | With the dual-effect type-II lithium bromide absorption heat pump of water as refrigerant heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071227.5A CN103868273B (en) | 2014-03-01 | 2014-03-01 | With the dual-effect type-II lithium bromide absorption heat pump of water as refrigerant heat recovery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103868273A CN103868273A (en) | 2014-06-18 |
| CN103868273B true CN103868273B (en) | 2016-01-20 |
Family
ID=50907077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410071227.5A Active CN103868273B (en) | 2014-03-01 | 2014-03-01 | With the dual-effect type-II lithium bromide absorption heat pump of water as refrigerant heat recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103868273B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534207B (en) * | 2018-05-02 | 2023-10-20 | 双良节能系统股份有限公司 | First-class lithium bromide heat pump unit with peak heating function and capable of directly supplying heat |
| CN110542241B (en) * | 2019-09-19 | 2024-03-08 | 双良节能系统股份有限公司 | Single-double effect composite steam-absorption two-section type first lithium bromide absorption heat pump unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8839635B2 (en) * | 2010-03-18 | 2014-09-23 | Thermax Limited | High efficiency double-effect chiller heater apparatus |
| CN101825371A (en) * | 2010-05-10 | 2010-09-08 | 江苏双良空调设备股份有限公司 | High-efficiency steam double-effect lithium bromide absorption type water chilling unit |
| KR101225843B1 (en) * | 2011-01-05 | 2013-01-23 | 엘지전자 주식회사 | Absorption Type Cooler and Heater |
| CN103256750A (en) * | 2013-05-28 | 2013-08-21 | 烟台荏原空调设备有限公司 | Absorption heat pump unit |
| CN203731736U (en) * | 2014-03-01 | 2014-07-23 | 双良节能系统股份有限公司 | Double-effect lithium bromide absorption heat transformer with function of coolant water heat recovery |
-
2014
- 2014-03-01 CN CN201410071227.5A patent/CN103868273B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103868273A (en) | 2014-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103411347B (en) | Coupling type heat pump waste heat recovery system | |
| CN103808060B (en) | Band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit | |
| CN102997482B (en) | Direct-fired lithium bromide absorption cold-hot water unit for recovering flue gas waste heat under heating working condition | |
| CN101832681A (en) | Lithium bromide refrigerating machine capable of recycling heat energy by utilizing heat pump | |
| CN105402926A (en) | Combined cooling and power system and refrigeration, power generation and combined cooling and power method based on combined cooling and power system | |
| CN102022145B (en) | Steam exhaust waste heat recovery unit | |
| CN202119157U (en) | Steam type lithium bromide absorption type heat pump capable of efficiently utilizing working steam water condensation heat | |
| CN108775731A (en) | A kind of double effect absorption type heat pump and water source exhaust heat recovering method | |
| CN103808058B (en) | Band water as refrigerant preheater two-stage Equations of The Second Kind lithium bromide absorption type heat pump unit | |
| CN201844606U (en) | Novel high-efficiency and direct-fired lithium bromide absorption-type water heater/chiller | |
| CN201884080U (en) | Steam exhaust waste heat recycling unit | |
| CN106402981A (en) | Large-temperature-difference waste heat recovery heat supply unit for electric drive heat pumps | |
| CN105649901B (en) | A kind of solar energy light gathering and heat collecting power generator based on absorption heat pump | |
| CN203704434U (en) | Two-stage lithium bromide absorption heat transformer unit with refrigerant water preheater | |
| CN203731736U (en) | Double-effect lithium bromide absorption heat transformer with function of coolant water heat recovery | |
| CN107144042A (en) | A kind of second-kind absorption-type heat pump | |
| CN206695430U (en) | First class lithium bromide absorptive heat pump unit with condensate recuperation of heat | |
| CN103868273B (en) | With the dual-effect type-II lithium bromide absorption heat pump of water as refrigerant heat recovery | |
| CN103808059B (en) | Secondary generation secondary absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit | |
| CN101832679A (en) | Dual-effect type-II lithium bromide absorption heat pump unit | |
| CN203501532U (en) | Coupled waste heat recovery system of heat pump | |
| CN205478135U (en) | Solar energy spotlight thermal -arrest power generation facility based on absorption heat pump | |
| CN102401504B (en) | High-efficiency 1.5-acting lithium bromide absorption-type refrigeration/heat pump unit | |
| CN204630143U (en) | Two-period form dual effect type lithium bromide absorbing type refrigeration/heating machine set | |
| CN204630144U (en) | Dual circulation absorbs dual effect type lithium bromide absorbing type refrigeration/heating machine set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Xianghui Inventor after: Yuan Yi Inventor after: Cai Yiming Inventor after: Jiang Xiaolan Inventor before: Mao Hongcai Inventor before: Yuan Yi Inventor before: Cai Yiming Inventor before: Jiang Xiaolan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |