CN106225299A - A kind of absorption cooling and warming water machine group crystallization-preventive processing means and method thereof - Google Patents
A kind of absorption cooling and warming water machine group crystallization-preventive processing means and method thereof Download PDFInfo
- Publication number
- CN106225299A CN106225299A CN201610820044.8A CN201610820044A CN106225299A CN 106225299 A CN106225299 A CN 106225299A CN 201610820044 A CN201610820044 A CN 201610820044A CN 106225299 A CN106225299 A CN 106225299A
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- China
- Prior art keywords
- temperature
- temperature generator
- heat exchanger
- generator
- machine group
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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
-
- 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
-
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
-
- 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
- F25B2315/001—Crystallization prevention
-
- 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]
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2501—Bypass valves
-
- 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
A kind of absorption cooling and warming water machine group crystallization-preventive processing means and method thereof, this device includes absorber, high-temperature generator and high-temperature heat exchanger, it is provided with bypass valve between the thin liquid entrance of described high-temperature heat exchanger and thin liquid outlet, described absorber is divided into two branch roads after connecting solution pump, article one, branch road pipeline successively connects high-temperature heat exchanger and high-temperature generator, and another branch road connects high-temperature generator by the direct pipeline of bypass valve.Present invention additionally comprises a kind of absorption cooling and warming water machine group crystallization-preventive processing method.The present invention can greatly speed up the cooling rate of high-temperature generator, is greatly decreased and dilutes downtime, and then shorten cooling water pump, water supply pump, the operation time of solution pump, reduces operating cost, is prevented effectively from lithium-bromide solution crystallization.
Description
Technical field
The present invention relates to absorption cooling and warming water machine technical group field, at particularly a kind of absorption cooling and warming water machine group crystallization-preventive
Reason devices and methods therefor.
Background technology
When absorption cooling and warming water machine group is run, high-temperature generator temperature reaches 155 ~ 165 DEG C, in order to avoid lithium-bromide solution
Crystallization, after combustor is ceased fire, it is necessary to the temperature of high-temperature generator is reduced to 80 DEG C could dead halt.Traditional halt mode
Being first to stop combustor, and solution pump, cooling water pump, water supply pump continue to run with, 37 DEG C of weak solutions lean on solution pump constantly at high temperature
Circulate between generator and absorber, by high-temperature generator temperature band to absorber, take away heat by cooling water with solution heat exchange
High-temperature generator is lowered the temperature.Traditional halt mode is that the weak solution of 37 DEG C first passes through high-temperature heat exchanger, in high-temperature hot
After 132 DEG C, enter back into high-temperature generator with high temperature concentrated solution heat exchange in exchanger, so, can cause quickly high temperature being sent out
Pyrosol dilution in raw device and cooling, and make cooling water pump, water supply pump, solution pump operation time long, operating cost
High.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art to provide a kind of cooling rate fast, during each water pump operation
Between short absorption cooling and warming water machine group crystallization-preventive processing means and method thereof, it is possible to make unit quick shutdown, be prevented effectively from bromination
Lithium solution crystallizes.
The technical scheme is that
The one absorption cooling and warming water machine group crystallization-preventive processing means of the present invention, including absorber, high-temperature generator and high-temperature hot
Exchanger；Being provided with bypass valve between the thin liquid entrance of described high-temperature heat exchanger and thin liquid outlet, described absorber connects solution
Being divided into two branch roads after pump, a branch road pipeline successively connects high-temperature heat exchanger and high-temperature generator, and another branch road passes through
The direct pipeline of bypass valve connects high-temperature generator.
Further, described bypass valve is vacuum electric valve.
Further, the thin liquid porch of described high-temperature heat exchanger is additionally provided with heat exchange control valve.
A kind of processing method according to prior absorbent formula cold warm water machine group crystallization-preventive processing means of the present invention, including: when
When the combustor of unit is shut down, bypass valve is opened, and the weak solution part bypass of absorber enters high-temperature generator and is diluted
And cooling, another part enters high-temperature generator after high-temperature heat exchanger heat exchange and is diluted and lowers the temperature；Treat high-temperature generator
After being down to target temperature, disconnect bypass valve, compressor emergency shutdown.
A kind of processing method according to prior absorbent formula cold warm water machine group crystallization-preventive processing means of the present invention, including: when
When the combustor of unit is shut down, bypass valve is opened, and heat exchange control valve disconnects, and the weak solution of absorber all bypasses entrance high temperature
Generator is diluted and lowers the temperature；After high-temperature generator is down to target temperature, close bypass valve, compressor emergency shutdown.
A kind of processing method according to prior absorbent formula cold warm water machine group crystallization-preventive processing means of the present invention, including: when
When the combustor of unit is shut down, bypass valve and heat exchange control valve are all opened, and the weak solution part bypass of absorber enters height
Temperature generator is diluted and lowers the temperature, and another part enters high-temperature generator after high-temperature heat exchanger heat exchange and is diluted and drops
Temperature；After high-temperature generator is down to target temperature, close bypass valve, compressor emergency shutdown.
Further, the aperture of heat exchange control valve is regulated so that the weak solution part bypass of absorber enters high temperature and sends out
The flow of raw device is more than another part weak solution flow first carrying out heat exchange.
Beneficial effects of the present invention: by arranging bypass between exporting at the thin liquid entrance of high-temperature heat exchanger and thin liquid
Valve, it is possible to greatly speed up the cooling rate of high-temperature generator, is greatly decreased dilution downtime, and then shortens cooling water pump, cold
Water pump, the operation time of solution pump, reduce operating cost, be prevented effectively from lithium-bromide solution crystallization.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
Embodiment 1
As shown in Figure 1: a kind of absorption cooling and warming water machine group crystallization-preventive processing means, including absorber 1, high-temperature generator 2 and height
Temperature heat exchanger 3；Being provided with vacuum electric valve 4 between the thin liquid entrance of high-temperature heat exchanger 3 and thin liquid outlet, absorber 1 connects
Being divided into two branch roads after solution pump 5, a branch road pipeline successively connects high-temperature heat exchanger 3 and high-temperature generator 2, another
Road connects high-temperature generator 2 by the direct pipeline of vacuum electric valve 4.
Processing method is: when the combustor of unit is shut down, and vacuum electric valve 4 is opened, the weak solution of 37 DEG C in absorber 1
Part bypass enters high-temperature generator 2 and removes dilution and cooling down high-temperature solution, and another part is laggard through high-temperature heat exchanger 3 heat exchange
Enter high-temperature generator 2 be diluted and lower the temperature, after high-temperature generator 2 is down to target temperature, disconnect vacuum electric valve 4, unit
Shut down.
The present embodiment enters high-temperature generator 2 by the weak solution part of 37 DEG C in absorber 1 being bypassed, and without
High-temperature heat exchanger 3, thus avoid dropping entering back into high-temperature generator 2 after 37 DEG C of weak solutions all first heat exchange to 132 DEG C
Temperature and cause the slack-off phenomenon of cooling rate to occur, so, a part of weak solution directly dilute with after the temperature heat exchanging of 37 DEG C
While solution is lowered the temperature, also the pyrosol of high-temperature generator 2 is diluted and cools down, thus accelerate high-temperature generator
The cooling rate of 2, is greatly decreased and dilutes downtime, and then shorten cooling water pump, water supply pump, the operation time of solution pump 5, fall
Low operating cost, is prevented effectively from lithium-bromide solution crystallization.
Embodiment 2
As shown in Figure 2: a kind of absorption cooling and warming water machine group crystallization-preventive processing means, including absorber 1, high-temperature generator 2 and height
Temperature heat exchanger 3；It is provided with vacuum electric valve 4, high-temperature heat exchanger between the thin liquid entrance of high-temperature heat exchanger 3 and thin liquid outlet
The thin liquid porch of 3 is additionally provided with heat exchange control valve 6；Absorber 1 is divided into two branch roads, a branch road warp after connecting solution pump 5
Heat exchange control valve 6 pipeline successively connects high-temperature heat exchanger 3 and high-temperature generator 2, and another branch road passes through vacuum electric valve 4
Directly pipeline connects high-temperature generator 2.
Processing method is: when the combustor of unit is shut down, and vacuum electric valve 4 is opened, and heat exchange control valve 6 disconnects, and inhales
In receipts device 1, the weak solution of 37 DEG C all bypasses entrance high-temperature generator 2 and removes dilution and cooling down high-temperature solution, and without high-temperature hot
Exchanger 3, after high-temperature generator 2 is down to target temperature, disconnects vacuum electric valve 4, compressor emergency shutdown.
The present embodiment enters high-temperature generator 2 by the weak solution of 37 DEG C in absorber 1 all being bypassed, and without too high
Temperature heat exchanger 3, thus avoid lowering the temperature entering back into high-temperature generator 2 after 37 DEG C of weak solution elder generations heat exchange to 132 DEG C and leading
Causing the slack-off phenomenon of cooling rate to occur, so, weak solution is directly with by the temperature of the 37 DEG C pyrosol to high-temperature generator
It is diluted and cools down, it is possible to accelerate the cooling rate of high-temperature generator 2, be greatly decreased and dilute downtime, and then shorten cold
But the operation time of water pump, water supply pump, solution pump 5, reduce operating cost, be prevented effectively from lithium-bromide solution crystallization.
The downtime of the present embodiment is short compared with the time of embodiment 1, and effect is more notable.
Embodiment 3
Difference with embodiment 2 is, processing method is different；Difference with embodiment 1 is, the high-temperature hot exchange of the present embodiment
The thin liquid porch of device is additionally provided with heat exchange control valve.
The processing method of the present embodiment is: when the combustor of unit is shut down, vacuum electric valve and heat exchange control valve are equal
Opening, in absorber, the weak solution part bypass of 37 DEG C enters high-temperature generator and goes to dilution and cooling down high-temperature solution, another portion
Enter high-temperature generator after lease making high-temperature heat exchanger heat exchange be diluted and lower the temperature, and opening by regulation heat exchange control valve
Degree so that the flow that the weak solution part bypass of absorber enters high-temperature generator is dilute more than the another part first carrying out heat exchange
Liquid inventory；After high-temperature generator is down to target temperature, disconnect bypass valve, compressor emergency shutdown.
The downtime of the present embodiment is short compared with the time of embodiment 1, and the relatively time of embodiment 2 is long.
In sum, it is diluted with cold compared to by entering back into high-temperature generator after the weak solution of 37 DEG C all first heat exchange
But comparing, the present invention can greatly speed up the cooling rate of high-temperature generator, is greatly decreased and dilutes downtime, and then shortens cold
But the operation time of water pump, water supply pump, solution pump, reduce operating cost, be prevented effectively from lithium-bromide solution crystallization.
Claims (7)
1. an absorption cooling and warming water machine group crystallization-preventive processing means, including absorber, high-temperature generator and high-temperature heat exchanger,
It is characterized in that, being provided with bypass valve between the thin liquid entrance of described high-temperature heat exchanger and thin liquid outlet, described absorber connects
Being divided into two branch roads after solution pump, a branch road pipeline successively connects high-temperature heat exchanger and high-temperature generator, another branch road
High-temperature generator is connected by the direct pipeline of bypass valve.
Absorption cooling and warming water machine group crystallization-preventive processing means the most according to claim 1, it is characterised in that described bypass valve
For vacuum electric valve.
Absorption cooling and warming water machine group crystallization-preventive processing means the most according to claim 1 and 2, it is characterised in that described height
The thin liquid porch of temperature heat exchanger is additionally provided with heat exchange control valve.
4. a processing method for absorption cooling and warming water machine group crystallization-preventive processing means according to claim 1 or claim 2, its feature
It is, including: when the combustor of unit is shut down, bypass valve is opened, and the weak solution part bypass of absorber enters high temperature and sends out
Raw device is diluted and lowers the temperature, and another part enters high-temperature generator after high-temperature heat exchanger heat exchange and is diluted and lowers the temperature；
After high-temperature generator is down to target temperature, disconnect bypass valve, compressor emergency shutdown.
5. a processing method for absorption cooling and warming water machine group crystallization-preventive processing means according to claim 3, its feature
It is, including: when the combustor of unit is shut down, bypass valve is opened, and heat exchange control valve disconnects, and the weak solution of absorber is whole
Bypass enters high-temperature generator and is diluted and lowers the temperature；After high-temperature generator is down to target temperature, closing bypass valve, unit stops
Machine.
6. a processing method for absorption cooling and warming water machine group crystallization-preventive processing means according to claim 3, its feature
It is, including: when the combustor of unit is shut down, bypass valve and heat exchange control valve are all opened, the weak solution of absorber one
Dividing bypass to enter high-temperature generator be diluted and lower the temperature, another part enters high-temperature generator after high-temperature heat exchanger heat exchange
It is diluted and lowers the temperature；After high-temperature generator is down to target temperature, close bypass valve, compressor emergency shutdown.
7. a processing method for absorption cooling and warming water machine group crystallization-preventive processing means according to claim 6, its feature
It is, the aperture of regulation heat exchange control valve so that the weak solution part bypass of absorber enters the flow of high-temperature generator
More than another part weak solution flow first carrying out heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610820044.8A CN106225299A (en) | 2016-09-13 | 2016-09-13 | A kind of absorption cooling and warming water machine group crystallization-preventive processing means and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610820044.8A CN106225299A (en) | 2016-09-13 | 2016-09-13 | A kind of absorption cooling and warming water machine group crystallization-preventive processing means and method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106225299A true CN106225299A (en) | 2016-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610820044.8A Pending CN106225299A (en) | 2016-09-13 | 2016-09-13 | A kind of absorption cooling and warming water machine group crystallization-preventive processing means and method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062680A (en) * | 2017-03-17 | 2017-08-18 | 赤峰和然节能设备有限责任公司 | A kind of absorption heat exchange device |
| CN109970525A (en) * | 2019-04-23 | 2019-07-05 | 宁波巨化新材料有限公司 | A kind of hydroformylation device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51124849A (en) * | 1975-04-23 | 1976-10-30 | Ebara Corp | Donble functional absorption refrigirator and its control method |
| CN2110835U (en) * | 1991-03-13 | 1992-07-22 | 苏州振亚丝织厂 | Lithium bromide absorption type refrigerator |
| JPH074769A (en) * | 1993-06-11 | 1995-01-10 | Sanyo Electric Co Ltd | Single and double effect absorption refrigerating device |
| CN101846415A (en) * | 2010-06-02 | 2010-09-29 | 大连三洋制冷有限公司 | Lithium bromide absorption second class heat pump unit device and control method thereof |
| CN101900450A (en) * | 2009-05-28 | 2010-12-01 | 三洋电机株式会社 | Absorption refrigerating machine |
| CN203464539U (en) * | 2013-07-22 | 2014-03-05 | 烟台荏原空调设备有限公司 | Cold and warm water machine capable of providing sanitary hot water |
| CN206037468U (en) * | 2016-09-13 | 2017-03-22 | 远大空调有限公司 | Absorption water chiller prevents crystallization process device |
-
2016
- 2016-09-13 CN CN201610820044.8A patent/CN106225299A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51124849A (en) * | 1975-04-23 | 1976-10-30 | Ebara Corp | Donble functional absorption refrigirator and its control method |
| CN2110835U (en) * | 1991-03-13 | 1992-07-22 | 苏州振亚丝织厂 | Lithium bromide absorption type refrigerator |
| JPH074769A (en) * | 1993-06-11 | 1995-01-10 | Sanyo Electric Co Ltd | Single and double effect absorption refrigerating device |
| CN101900450A (en) * | 2009-05-28 | 2010-12-01 | 三洋电机株式会社 | Absorption refrigerating machine |
| CN101846415A (en) * | 2010-06-02 | 2010-09-29 | 大连三洋制冷有限公司 | Lithium bromide absorption second class heat pump unit device and control method thereof |
| CN203464539U (en) * | 2013-07-22 | 2014-03-05 | 烟台荏原空调设备有限公司 | Cold and warm water machine capable of providing sanitary hot water |
| CN206037468U (en) * | 2016-09-13 | 2017-03-22 | 远大空调有限公司 | Absorption water chiller prevents crystallization process device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062680A (en) * | 2017-03-17 | 2017-08-18 | 赤峰和然节能设备有限责任公司 | A kind of absorption heat exchange device |
| CN109970525A (en) * | 2019-04-23 | 2019-07-05 | 宁波巨化新材料有限公司 | A kind of hydroformylation device |
| CN109970525B (en) * | 2019-04-23 | 2022-04-08 | 宁波巨化化工科技有限公司 | Hydroformylation device |
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Application publication date: 20161214 |