CN103808060B - Band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit - Google Patents
Band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit Download PDFInfo
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- CN103808060B CN103808060B CN201410052793.1A CN201410052793A CN103808060B CN 103808060 B CN103808060 B CN 103808060B CN 201410052793 A CN201410052793 A CN 201410052793A CN 103808060 B CN103808060 B CN 103808060B
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- absorber
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- evaporimeter
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to a kind of band flash vessel two-stage and absorb Equations of The Second Kind lithium bromide absorption type heat pump unit, comprise generator (1), condenser (2), evaporimeter (6), absorber and solution heat exchanger, described unit adds a flash vessel (14), absorber is divided into first absorber (11) and secondary absorber (13) simultaneously, solution heat exchanger is divided into high-temperature solution heat exchanger (12) and cryogenic fluid heat exchanger (10), secondary absorber (13) and flash vessel (14) are in same cavity, first absorber (11) and evaporimeter (6) are in same cavity, in generator (1) and condenser (2) same cavity, waste heat source enters evaporimeter (6) and generator (1), solution circulation is connected, concentrated solution is introduced into secondary absorber (13) and becomes intermediate solution, enter first absorber (11) again and become weak solution, weak solution enters generator (1) simmer down to concentrated solution.The present invention in (low) warm waste heat source drive, under cooling water condition can be used, improve thermal source increasing extent of temperature.
Description
Technical field
The present invention relates to a kind of Equations of The Second Kind lithium bromide absorption type heat pump unit.Belong to air conditioner technical field.
Background technology
Warm heat sources is in a large number there is in production technology, directly emit and not only waste a large amount of thermals source, but also can thermal pollution be produced, water quench is adopted to need to consume a large amount of cooling waters, these have the place of used heat to need again a large amount of high temperature heat sources in art production process in addition, need the energy consuming a large amount of high-quality to supply.Adopt Equations of The Second Kind lithium bromide absorption type heat pump unit in such occasion, effectively can reclaim waste heat under using the condition of cooling water, produce higher temperature thermal source.But Equations of The Second Kind lithium bromide absorption type heat pump unit is in the past single-action flow process, as shown in Figure 1, it mainly contains the compositions such as the pipeline of generator 1, condenser 2, evaporimeter 6, absorber 7, heat exchanger 5, concentrated solution pump 4, cryogenic fluid pump 3, evaporimeter refrigerant cycle pump 8, control unit (not shown) and connecting components, heating flow process is that waste heat source enters in evaporimeter and generator heat-transfer pipe, in generator 1, weak solution from absorber is heated refrigerant vapour, weak solution simmer down to concentrated solution by waste heat source heating generation.Concentrated solution delivers to absorber 7 by concentrated solution pump 4 through solution heat exchanger 5.Heat refrigerant vapour cooled water condensation in condenser 2 and become water as refrigerant, condensation heat is taken out of outside machine by cooling water, water as refrigerant delivers to evaporimeter water as refrigerant liquid capsule through cryogenic fluid pump 3 pressurization, then squeezes into evaporimeter 6 tube surface by evaporimeter refrigerant cycle pump 8, draws the heat of waste heat source and evaporates.Steam is absorbed by the concentrated solution in absorber 7, and concentrated solution becomes weak solution, and the absorption heat of generation adds heat absorber 7 and manages the interior high temperature heat source that will produce.The heat source temperature that the second-kind absorption-type heat pump unit of single-action flow process is produced is compared with used heat heat source temperature, temperature elevating range only about 30 DEG C, and also limit by cooling water temperature, thermal source increasing extent of temperature cannot improve further, thus make the thermal source grade produced limited, just cannot meet for the production technology of high grade with heat demand.Particularly for the situation that waste heat source temperature is lower, adopt the second-kind absorption-type heat pump unit of traditional single-action flow process, the thermal source cannot producing high-quality because increasing extent of temperature is limited is for production technology or life, make middle temperature used heat recycle and to waste, thus cause energy resource consumption to increase.(low) warm waste heat source in how recycling, produces out more high-grade thermal source and meets production technology or life use, realize mixed economy and the social benefit of energy-saving and emission-reduction, become one of important topic of research at present.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of in (low) warm waste heat source drive, under using cooling water condition, improve thermal source increasing extent of temperature, the band flash vessel two-stage producing more high-grade thermal source absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit.
The present invention seeks to realize like this: a kind of band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, comprise generator, condenser, evaporimeter, absorber, solution heat exchanger, concentrated solution pump, cryogenic fluid pump and evaporimeter refrigerant cycle pump, described unit adds a flash vessel, absorber is divided into first absorber and secondary absorber simultaneously, solution heat exchanger is divided into high-temperature solution heat exchanger and cryogenic fluid heat exchanger, be equipped with a weak solution pump and a flash distillation refrigerant cycle pump, secondary absorber and flash vessel are in same cavity, first absorber and evaporimeter are in same cavity, in generator and the same cavity of condenser, waste heat source enters evaporimeter and generator, solution circulation is connected, concentrated solution is introduced into secondary absorber and becomes intermediate solution, enter first absorber again and become weak solution, weak solution enters generator simmer down to concentrated solution, cryogen moisture two tunnel of condensation in condenser delivers to evaporimeter liquid capsule and flash vessel liquid capsule respectively, the high temperature water as refrigerant that first absorber is produced enters flash vessel shwoot, the refrigerant vapour of shwoot is in secondary absorber, absorbed by the concentrated solution from generator, the high temperature heat source will produced in the hot heating tube of absorption produced.
The present invention's one band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, and the cavity at secondary absorber and flash vessel place is placed in top, and the cavity at first absorber and evaporimeter place is placed in below.
The present invention's one band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, and first absorber, evaporimeter, generator and condenser are in same cylindrical shell, centre dividing plate is divided into two independently cavitys.
The present invention's one band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, and described waste heat source advanced evaporimeter of connecting enters generator again.
The present invention's one band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, and described waste heat source advanced generator of connecting enters evaporimeter again.
The present invention's one band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, and described waste heat source parallel connection enters generator and evaporimeter.
The invention has the beneficial effects as follows:
The present invention is by increase flash vessel, absorber is divided into first absorber and secondary absorber, solution heat exchanger is divided into high-temperature solution heat exchanger and cryogenic fluid heat exchanger, be equipped with a weak solution pump and a flash distillation refrigerant cycle pump and above-mentioned completely newly heat flow process, increase the concentration difference of solution, water as refrigerant shwoot in flash vessel reduces temperature loss, improve the absorption pressure of secondary absorber, solution temperature in secondary absorber is raised, thus obtain the high temperature heat source of more high-quality, significantly improve the increasing extent of temperature of high temperature heat source, and temperature elevating range can reach about 65 DEG C.Particularly for the situation that waste heat source temperature is lower, the advantage that band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit is more obvious.Under similarity condition, when production technology demand comparatively high-grade thermal source time, single-action Equations of The Second Kind lithium bromide absorption type heat pump unit in the past cannot realize Waste Heat Recovery, and is with flash vessel two-stage to absorb Equations of The Second Kind lithium bromide absorption type heat pump unit just can to meet the demands.When waste heat source is less, according to production technology demand, band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit can make waste heat source temperature be even lower, and reclaims more used heat heat.Although, the coefficient of performance in heating absorbing Equations of The Second Kind lithium bromide absorption type heat pump unit with flash vessel two-stage is lower than single-effect type Equations of The Second Kind lithium bromide absorption type heat pump unit performance coefficient, but increasing extent of temperature is large, require low to temperature of waste heat, Waste Heat Recovery can be realized from not becoming, compared with heating with boiler, obtain same thermal source, the energy resource consumption of high-quality reduces 100%, but also decreases low-temperature waste heat and discharge the thermal pollution brought, and realizes effective utilization of heat sources.
To sum up, absorb the heat of (low) warm used heat in the recovery that Equations of The Second Kind lithium bromide absorption type heat pump unit can be a large amount of with flash vessel two-stage, improve thermal source increasing extent of temperature, make more high-grade thermal source, decrease the consumption of primary energy, achieve mixed economy and the social benefit of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is single-action Equations of The Second Kind lithium bromide absorption type heat pump unit schematic diagram in the past.
Fig. 2 is that band flash vessel two-stage of the present invention absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit schematic diagram.
In figure:
Generator 1
Condenser 2
Cryogenic fluid pump 3
Concentrated solution pump 4,
Solution heat exchanger 5
Evaporimeter 6
Absorber 7
Evaporimeter refrigerant cycle pump 8
First absorber 11
Secondary absorber 13
Flash vessel 14
Cryogenic fluid heat exchanger 10
High-temperature solution heat exchanger 12
Weak solution pump 9
Flash distillation water as refrigerant circulating pump 15.
Detailed description of the invention
As shown in Figure 2, a kind of band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, comprises the pipeline etc. of generator 1, condenser 2, evaporimeter 6, first absorber 11, secondary absorber 13, flash vessel 14, cryogenic fluid heat exchanger 10, high-temperature solution heat exchanger 12, concentrated solution pump 4, cryogenic fluid pump 3, evaporimeter refrigerant cycle pump 8, weak solution pump 9, flash distillation refrigerant cycle pump 15, control unit (not shown) and connecting components.Secondary absorber 13 and flash vessel 14 are in same cylindrical shell, are placed in top; First absorber 11, evaporimeter 6, generator 1 and condenser 2 are in same cylindrical shell, and centre dividing plate is divided into two independently cavitys, and be placed in below, first absorber 11 and evaporimeter 6 are in same cavity, in generator 1 and the same cavity of condenser 2.Heat flow process be waste heat source connect advanced evaporimeter 6 enter again generator 1 step cooling.In generator 1, the weak solution from first absorber 11 is promoted by weak solution pump 9, after cryogenic fluid interchanger 10 heats up, heated refrigerant vapour, weak solution simmer down to concentrated solution by waste heat source heating generation.Concentrated solution is promoted by concentrated solution pump 4, after cryogenic fluid heat exchanger 10 and high-temperature solution heat exchanger 12 heat up, be sent to secondary absorber 13.Heat refrigerant vapour to enter in condenser 2 cooled water condensation and become water as refrigerant, the condensation heat water-band that is cooled goes out outside machine.Water as refrigerant in condenser 2 is pressurizeed by cryogenic fluid pump 3, and point two tunnels deliver to flash vessel 14 liquid capsule and evaporimeter 6 liquid capsule respectively.The water as refrigerant entering flash vessel 14 is sent in first absorber 11 heat-transfer pipe by flash vessel refrigerant cycle pump 15.The water as refrigerant entering one-level evaporimeter 6 liquid capsule delivers to evaporimeter 6 tube surface by evaporimeter refrigerant cycle pump 8, is evaporated by the waste heat in pipe.Steam is absorbed by the intermediate solution of first absorber 11, and the absorption heat heating first absorber 11 of generation manages interior water as refrigerant, and water as refrigerant enters flash vessel 14 shwoot after heating up.The refrigerant vapour of shwoot, in secondary absorber 13, is absorbed by the concentrated solution from generator 1, the high temperature heat source will produced in the heat heating tube that absorption process produces.Concentrated solution absorbs refrigerant vapour, becomes intermediate solution.Intermediate solution relies on pressure reduction and difference in height power to lower the temperature from flowing to first absorber 11 through pyrosol interchanger 12, and absorbs the refrigerant vapour of flash-pot 6 wherein, becomes weak solution.Complete and wholely heat circulation.
Drive waste heat source to connect in above scheme and also can enter evaporimeter 6 again by advanced generator 1, or drive waste heat source also parallel connection can enter generator 1, evaporimeter 6.
Driving waste heat source can be spent hot water in above scheme, conduction oil or other liquid mediums, also can be exhaust steam.
Claims (7)
1. a band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, comprise generator (1), condenser (2), evaporimeter (6), absorber, solution heat exchanger, concentrated solution pump (4), cryogenic fluid pump (3) and evaporimeter refrigerant cycle pump (8), it is characterized in that described unit adds a flash vessel (14), absorber is divided into first absorber (11) and secondary absorber (13) simultaneously, solution heat exchanger is divided into high-temperature solution heat exchanger (12) and cryogenic fluid heat exchanger (10), be equipped with a weak solution pump (9) and a flash distillation refrigerant cycle pump (15), secondary absorber (13) and flash vessel (14) are in same cavity, first absorber (11) and evaporimeter (6) are in same cavity, in generator (1) and condenser (2) same cavity, waste heat source enters evaporimeter (6) and generator (1), solution circulation is connected, concentrated solution is introduced into secondary absorber (13) and becomes intermediate solution, enter first absorber (11) again and become weak solution, weak solution enters generator (1) simmer down to concentrated solution, in condenser (2), cryogen moisture two tunnel of condensation delivers to evaporimeter liquid capsule and flash vessel liquid capsule respectively, the high temperature water as refrigerant that first absorber (11) is produced enters flash vessel (14) shwoot, the refrigerant vapour of shwoot is in secondary absorber (13), absorbed by the concentrated solution from generator (1), the high temperature heat source will produced in the hot heating tube of absorption produced.
2. one band flash vessel two-stage according to claim 1 absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, it is characterized in that: the cavity at secondary absorber (13) and flash vessel (14) place is placed in top, the cavity at first absorber (11) and evaporimeter (6) place is placed in below.
3. one band flash vessel two-stage according to claim 1 and 2 absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, it is characterized in that: be in same cylindrical shell by first absorber (11), evaporimeter (6), generator (1) and condenser (2), centre dividing plate is divided into two independently cavitys.
4. one band flash vessel two-stage according to claim 1 and 2 absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, it is characterized in that: described waste heat source advanced evaporimeter (6) of connecting enters generator (1) again.
5. one band flash vessel two-stage according to claim 1 and 2 absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, it is characterized in that: described waste heat source advanced generator (1) of connecting enters evaporimeter (6) again.
6. one band flash vessel two-stage according to claim 1 and 2 absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, it is characterized in that: described waste heat source parallel connection enters generator (1) and evaporimeter (6).
7. one band flash vessel two-stage according to claim 1 and 2 absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit, it is characterized in that: described waste heat source is spent hot water, conduction oil or exhaust steam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410052793.1A CN103808060B (en) | 2014-02-17 | 2014-02-17 | Band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit |
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| CN201410052793.1A CN103808060B (en) | 2014-02-17 | 2014-02-17 | Band flash vessel two-stage absorbs Equations of The Second Kind lithium bromide absorption type heat pump unit |
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| CN103808060B true CN103808060B (en) | 2015-12-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107525300B (en) * | 2017-09-26 | 2023-08-25 | 双良节能系统股份有限公司 | Hot water type lithium bromide absorption chiller with single effect generating solution series connection |
| CN107560223B (en) * | 2017-09-26 | 2023-08-25 | 双良节能系统股份有限公司 | Hot water type lithium bromide absorption water chilling unit capable of effectively running |
| CN110657601A (en) * | 2019-04-01 | 2020-01-07 | 哈尔滨工大金涛科技股份有限公司 | Waste water direct-feeding lithium bromide absorption heat pump unit |
| CN111486614A (en) * | 2019-04-01 | 2020-08-04 | 哈尔滨工大金涛科技股份有限公司 | High-temperature wastewater secondary lithium bromide absorption type all-in-one machine |
| CN110657602A (en) * | 2019-04-27 | 2020-01-07 | 哈尔滨工大金涛科技股份有限公司 | Waste water direct-feeding lithium bromide absorption heat pump unit |
| CN113266958A (en) * | 2021-06-04 | 2021-08-17 | 双良节能系统股份有限公司 | Two-stage first-class lithium bromide absorption heat pump unit |
| CN113686046A (en) * | 2021-08-09 | 2021-11-23 | 天津乐科节能科技有限公司 | Second-class absorption heat pump system and method based on generation liquid flash evaporation |
| CN114251864B (en) * | 2021-12-28 | 2023-09-29 | 北京华源泰盟节能设备有限公司 | Absorption refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3713844B2 (en) * | 1996-11-08 | 2005-11-09 | 株式会社デンソー | Adsorption refrigeration system |
| CN1082650C (en) * | 1998-01-08 | 2002-04-10 | 江苏双良空调设备股份有限公司 | Two-section or multi-section hot water lithium bromide absorbing refrigerating unit |
| US8978397B2 (en) * | 2009-04-24 | 2015-03-17 | Thermax Limited | Absorption heat pump employing a high/low pressure evaporator/absorber unit a heat recovery unit |
| CN101672548B (en) * | 2009-08-27 | 2012-11-28 | 李华玉 | Compound second-type absorption type heat pump based on double-effect process |
| CN101832679A (en) * | 2010-05-10 | 2010-09-15 | 江苏双良空调设备股份有限公司 | Dual-effect type-II lithium bromide absorption heat pump unit |
| CN203704433U (en) * | 2014-02-17 | 2014-07-09 | 双良节能系统股份有限公司 | Two-stage lithium bromide absorption heat transformer unit with flash evaporator |
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