CN107388617A - Fume hot-water compound type lithium bromide absorption type refrigeration unit - Google Patents
Fume hot-water compound type lithium bromide absorption type refrigeration unit Download PDFInfo
- Publication number
- CN107388617A CN107388617A CN201710696710.6A CN201710696710A CN107388617A CN 107388617 A CN107388617 A CN 107388617A CN 201710696710 A CN201710696710 A CN 201710696710A CN 107388617 A CN107388617 A CN 107388617A
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- China
- Prior art keywords
- fume
- pressure generator
- solution
- generator
- heat exchanger
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- 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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/008—Sorption machines, plants or systems, operating continuously, e.g. absorption type with multi-stage operation
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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
- F25B41/00—Fluid-circulation arrangements
-
- 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]
- Y02B30/62—Absorption based systems
Abstract
The present invention relates to a kind of fume hot-water compound type lithium bromide absorption type refrigeration unit, belong to air conditioner technical field.Including：Hot water side generator（1）, fume side high pressure generator（2）, fume side low pressure generator（3）, condenser（4）, high-temperature heat exchanger（5）, low temperature heat exchanger（6）, the second solution pump（7）, absorber（8）, the first solution pump（9）, cryogenic fluid pump（10）, evaporator（11）, hot water side generator（1）With fume side low pressure generator（3）It is arranged in a cavity, heating surface bank is arranged up and down；Second solution pump（7）It is arranged on fume side low pressure generator（3）Concentrated solution exit.The unit can make full use of the hot water that temperature reduces to freeze.
Description
Technical field
The present invention relates to a kind of fume hot-water compound type lithium bromide absorption type refrigeration unit.Belong to air-conditioning equipment technology neck
Domain.
Background technology
Existing fume hot-water compound type lithium bromide absorption type refrigeration unit（Hereinafter referred to as compound unit, or abbreviation machine
Group）As shown in figure 1, by hot water side generator 1, fume side high pressure generator 2, fume side low pressure generator 3, condenser 4, high temperature
Heat exchanger 5, low temperature heat exchanger 6, the second solution pump 7, absorber 8, the first solution pump 9, cryogenic fluid pump 10, evaporator 11 and control
System processed（Not shown in figure）And pipeline, the valve of connecting components are formed.Cold water flows through evaporator 11 and cooled；Cooling water flows through
Absorber 8 and condenser 4 heat up；Hot water flows through hot water side generator 1, release heat concentration lithium-bromide solution；Flue gas（Or
Other high-grade thermals source, such as fuel, steam or high-temperature-hot-water, it is similar below）Flow through fume side high pressure generator 2, release heat
Amount concentration lithium-bromide solution.During unit operation, the water as refrigerant under being extracted out and sprayed from the top of evaporator 11 by cryogenic fluid pump 10 absorbs stream
Heat through cold water in the heat-transfer pipe of evaporator 11, is vaporized into after refrigerant vapour to enter in absorber 8 and is brominated the absorption of lithium concentrated solution,
The heat of release is taken away by the cooling water flowed through in the heat-transfer pipe of absorber 8, and lithium bromide concentrated solution absorbs concentration after refrigerant vapour
It is thinning, extracted out and be sent into through low temperature heat exchanger 6 in hot water side generator 1 by the first solution pump 9 and concentrated by hot water heating, concentrated
Refrigerant vapour out is returned in evaporator 11 after entering in condenser 4 the water cooling condensation that is cooled, and the lithium bromide after concentrating
Solution is then extracted out by the second solution pump 7 and is sent into through high-temperature heat exchanger 5 dense by flue gas in fume side high pressure generator 2
Contracting, the solution after concentration enters fume side low pressure generator 3 through high-temperature heat exchanger 5, wherein by fume side high pressure generator 2
The high temperature refrigerant vapour of middle concentration out heats concentration again, and the lithium bromide concentrated solution after concentration is returned through low temperature heat exchanger 6 again
Into absorber 8；High temperature refrigerant vapour caused by lithium-bromide solution concentration is sent out in fume side low pressure in fume side high pressure generator 2
Condensed after discharging heat in raw device 3, it is equal to concentrate caused refrigerant vapour again with lithium-bromide solution in fume side low pressure generator 3
Into in condenser 4, also returned to after cooled water cooling condensation in evaporator 11.
The compound unit can be freezed using the various heating sources of user simultaneously, and the lithium bromide weak solution of absorber
It is to be introduced into hot water side generator 1 after concentration, is just sent in fume side high pressure generator 2 and fume side low pressure generator 3
Concentration, because the lithium bromide weak solution concentration for entering hot water side generator 1 is low, thus be advantageous to utilize the relatively low hot water of user temperature
To freeze.But this compound unit comes with some shortcomings, mainly in hot water side generator 1 and fume side low pressure generator 3
Be required for setting solution liquid distributor, and the bottom of the two generators all can accumulation some solution, both added machine composition
This, also increases machine packet size.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of compound bromination of fume hot-water for above-mentioned prior art
Lithium-absorbing formula refrigeration unit, solve to be required for setting solution liquid distributor simultaneously in hot water side generator and fume side low pressure generator
The problem of accumulation solution, to reduce unit cost, reduce machine packet size.
Technical scheme is used by the present invention solves the above problems：A kind of fume hot-water compound type lithium bromide absorption type system
Cold group, including：Hot water side generator, fume side high pressure generator, fume side low pressure generator, condenser, high temperature heat exchange
Device, low temperature heat exchanger, the second solution pump, absorber, the first solution pump, cryogenic fluid pump, evaporator.Hot water side generator and flue gas
Side low pressure generator is arranged in a cavity, and heating surface bank is arranged up and down, and the second solution pump is arranged on the generation of fume side low pressure
The concentrated solution exit of device.During unit operation, the lithium bromide weak solution in absorber is extracted out and through Low Temperature Thermal by the first solution pump
Exchanger is sent into hot water side generator and concentrated by hot water heating, and the concentrated solution after concentration is entered back into fume side low pressure generator
Continue to be heated concentration, go out the lithium-bromide solution of economic benefits and social benefits side low pressure generator again by the second solution pumped, and handed over through high warm
Parallel operation, which is sent into fume side high pressure generator, is heated concentration, and the final concentrated solution after concentration is again through high-temperature heat exchanger and low temperature
Heat exchanger returns to absorber.
Compared with prior art, the advantage of the invention is that：
The present invention is by the way that the heating surface bank of hot water side generator and fume side low pressure generator is arranged up and down, and by the second solution
Pump is arranged on the concentrated solution exit of fume side low pressure generator, so as to save the solution above fume side low pressure generator
Liquid distributor and hot water side generator bottom need the solution of accumulation, and reduce a pair of solution turnover pipelines, both save
Cost, reduces machine packet size again.
Brief description of the drawings
Fig. 1 is the fundamental diagram of conventional fume hot-water compound type lithium bromide absorption type refrigeration unit.
Fig. 2 is a kind of application example of fume hot-water compound type lithium bromide absorption type refrigeration unit of the present invention.
Reference in figure：
Hot water side generator 1, fume side high pressure generator 2, fume side low pressure generator 3, condenser 4, high-temperature heat exchanger 5,
Low temperature heat exchanger 6, the second solution pump 7, absorber 8, the first solution pump 9, cryogenic fluid pump 10, evaporator 11.
Cold water enters A1, and cold water goes out A2, and cooling water enters B1, and cooling water goes out B2, and hot water enters C1, and hot water goes out C2, and flue gas enters D1, cigarette
Gas goes out D2.
Embodiment
In order to deepen the understanding of the present invention, with reference to embodiment, the present invention is further detailed explanation.Below
Embodiment is only used for clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
Fig. 2 is fume hot-water compound type lithium bromide absorption type refrigeration unit involved in the present invention（Hereinafter referred to as unit）'s
A kind of exemplary application map, the unit is by hot water side generator 1, fume side high pressure generator 2, fume side low pressure generator 3, condensation
Device 4, high-temperature heat exchanger 5, low temperature heat exchanger 6, the second solution pump 7, absorber 8, the first solution pump 9, cryogenic fluid pump 10, evaporation
Device 11 and control system（Not shown in figure）And pipeline, the valve of connecting components are formed.Cold water flows through evaporator 11, cooling water
Parallel connection flows through absorber 8 and condenser 4, and hot water flows through hot water side generator 1 and discharges heat concentration lithium-bromide solution, flue gas stream
Through fume side high pressure generator 2 and discharge heat concentration lithium-bromide solution.During unit operation, extracted out by cryogenic fluid pump 10 and from evaporation
Water as refrigerant under the top of device 11 is sprayed absorbs the heat for flowing through cold water in the heat-transfer pipe of evaporator 11, enters suction after being vaporized into refrigerant vapour
Receive and the absorption of lithium concentrated solution is brominated in device 8, the heat of release is taken away by the cooling water flowed through in the heat-transfer pipe of absorber 8, lithium bromide
Concentration is thinning after concentrated solution absorbs refrigerant vapour, is extracted out by the first solution pump 9 and is sent into hot water side through low temperature heat exchanger 6
Concentrated in device 1 by hot water heating, the lithium-bromide solution after concentration enter back into fume side low pressure generator 3 be still heated it is dense
Contracting, then lithium-bromide solution is extracted out by the second solution pump 7 again, and quilt in fume side high pressure generator 2 is sent into through high-temperature heat exchanger 5
Flue gas heats concentration again, and the solution after concentration most returns to absorber 8 through high-temperature heat exchanger 5 and low temperature heat exchanger 6 afterwards.
High temperature refrigerant vapour caused by lithium-bromide solution concentration enters fume side low pressure generator 3 in fume side high pressure generator 2, as
Thermal source heats lithium-bromide solution therein, and itself is condensed after discharging heat, with hot water side generator 1 and fume side low pressure generator
Refrigerant vapour caused by lithium-bromide solution concentration enters in condenser 4 in 3, and evaporator 11 is returned to after cooled water cooling condensation
In.
In fume hot-water compound type lithium bromide absorption type refrigeration unit shown in Fig. 2, cooling water is that parallel connection flows through absorber 8
With condenser 4, it can also be that random order series connection flows through absorber 8 and condenser 4.
In addition to the implementation, it is all to use equivalent transformation or equivalent replacement present invention additionally comprises there is other embodiment
The technical scheme that mode is formed, it all should fall within the scope of the hereto appended claims.
Claims (2)
1. a kind of fume hot-water compound type lithium bromide absorption type refrigeration unit, including：Hot water side generator（1）, fume side high pressure
Generator（2）, fume side low pressure generator（3）, condenser（4）, high-temperature heat exchanger（5）, low temperature heat exchanger（6）, second
Solution pump（7）, absorber（8）, the first solution pump（9）, cryogenic fluid pump（10）And evaporator（11）, it is characterised in that：Hot water side is sent out
Raw device（1）With fume side low pressure generator（3）It is arranged in a cavity, heating surface bank is arranged up and down；Second solution pump（7）If
Put in fume side low pressure generator（3）Concentrated solution exit, the first solution pump（9）By absorber（8）In lithium-bromide solution
Extract out, through low temperature heat exchanger（6）It is sent into hot water side generator（1）, fume side low pressure generator（3）In successively be heated it is dense
Contracting, the lithium-bromide solution after concentration is again by the second solution pump（7）Extract out, through high-temperature heat exchanger（5）It is sent into the high pressure of fume side
Raw device（2）Middle concentration, the solution after concentration is again through high-temperature heat exchanger（5）And low temperature heat exchanger（6）Return to absorber（8）,
Fume side high pressure generator（2）High temperature refrigerant vapour is in fume side low pressure generator caused by middle lithium-bromide solution concentration（3）In
Condensed after release heat, with hot water side generator（1）, fume side low pressure generator（3）It is cold caused by middle lithium-bromide solution concentration
Agent steam enters condenser（4）.
A kind of 2. fume hot-water compound type lithium bromide absorption type refrigeration unit according to claim 1, it is characterised in that：It is cold
But water parallel connection flows through absorber（8）And condenser（4）, or connected with random order and flow through absorber（8）And condenser（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696710.6A CN107388617A (en) | 2017-08-15 | 2017-08-15 | Fume hot-water compound type lithium bromide absorption type refrigeration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696710.6A CN107388617A (en) | 2017-08-15 | 2017-08-15 | Fume hot-water compound type lithium bromide absorption type refrigeration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107388617A true CN107388617A (en) | 2017-11-24 |
Family
ID=60354621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710696710.6A Withdrawn CN107388617A (en) | 2017-08-15 | 2017-08-15 | Fume hot-water compound type lithium bromide absorption type refrigeration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107388617A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518888A (en) * | 2018-05-02 | 2018-09-11 | 双良节能系统股份有限公司 | The solution parallel connection type lithium bromide absorption type refrigeration heat pump unit of variable effect |
| CN109458753A (en) * | 2018-12-27 | 2019-03-12 | 双良节能系统股份有限公司 | A kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10300263A (en) * | 1997-04-24 | 1998-11-13 | Mitsubishi Heavy Ind Ltd | Absorption refrigerator |
| CN2769780Y (en) * | 2004-12-21 | 2006-04-05 | 江苏双良空调设备股份有限公司 | Fume heat water combined lithium bromide suction type cold water, cold and hot water machine set |
| CN2800141Y (en) * | 2005-06-14 | 2006-07-26 | 河南新飞电器有限公司 | Building air conditioning apparatus capable of comprehensively utilizing solar energy and geothermal energy |
| CN205037618U (en) * | 2015-10-16 | 2016-02-17 | 烟台荏原空调设备有限公司 | Cold warm water unit of absorption formula and generator waste heat recovery system |
| CN207081239U (en) * | 2017-08-15 | 2018-03-09 | 双良节能系统股份有限公司 | Fume hot-water compound type lithium bromide absorption type refrigeration unit |
-
2017
- 2017-08-15 CN CN201710696710.6A patent/CN107388617A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10300263A (en) * | 1997-04-24 | 1998-11-13 | Mitsubishi Heavy Ind Ltd | Absorption refrigerator |
| CN2769780Y (en) * | 2004-12-21 | 2006-04-05 | 江苏双良空调设备股份有限公司 | Fume heat water combined lithium bromide suction type cold water, cold and hot water machine set |
| CN2800141Y (en) * | 2005-06-14 | 2006-07-26 | 河南新飞电器有限公司 | Building air conditioning apparatus capable of comprehensively utilizing solar energy and geothermal energy |
| CN205037618U (en) * | 2015-10-16 | 2016-02-17 | 烟台荏原空调设备有限公司 | Cold warm water unit of absorption formula and generator waste heat recovery system |
| CN207081239U (en) * | 2017-08-15 | 2018-03-09 | 双良节能系统股份有限公司 | Fume hot-water compound type lithium bromide absorption type refrigeration unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518888A (en) * | 2018-05-02 | 2018-09-11 | 双良节能系统股份有限公司 | The solution parallel connection type lithium bromide absorption type refrigeration heat pump unit of variable effect |
| CN109458753A (en) * | 2018-12-27 | 2019-03-12 | 双良节能系统股份有限公司 | A kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit |
| CN109458753B (en) * | 2018-12-27 | 2024-04-02 | 双良节能系统股份有限公司 | Online detection density flue gas type lithium bromide absorption type low-temperature water chilling unit |
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Application publication date: 20171124 |