CN207262757U - Hot water single-action four pump compound with two-stage lithium bromide adsorption water chilling unit processed - Google Patents
Hot water single-action four pump compound with two-stage lithium bromide adsorption water chilling unit processed Download PDFInfo
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- CN207262757U CN207262757U CN201721242954.9U CN201721242954U CN207262757U CN 207262757 U CN207262757 U CN 207262757U CN 201721242954 U CN201721242954 U CN 201721242954U CN 207262757 U CN207262757 U CN 207262757U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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Abstract
A kind of hot water single-action four pump compound with two-stage lithium bromide adsorption water chilling unit processed is the utility model is related to, belongs to technical field of refrigeration equipment.Including high pressure generator（9）, condenser（7）, low pressure generator（4）, high pressure absorber（5）, low-pressure absorber（12）, evaporator（11）, first heat exchanger（6）, second heat exchanger（2）, high pressure generating pump（1）, absorption pump（3）, cryogenic fluid pump（13）, it is characterised in that：It further includes the 3rd heat exchanger（15）, single-action generator（16）, single-action generating pump（17）, three parts of unit inside points, after hot water series connection is introduced into single-action level generator, into low pressure generator and high pressure generator, use four canned motor pumps.For the unit under conditions of import hot water temperature is higher, can drop outlet hot water's temperature must be than relatively low, and has higher coefficient of performance of refrigerating.
Description
Technical field
A kind of hot water single-action of the utility model four pump compound with two-stage lithium bromide adsorption water chilling unit processed, belongs to refrigeration and sets
Standby technical field.
Background technology
Hot water single-effect lithiumbromide absorption chiller before（Call hot water single-effect type bromine cooling machine in the following text）Sent out using single-action
Raw single effect absorption refrigeration work flow, its advantage are：Coefficient of performance of refrigerating COP higher（Typically larger than 0.7）.Shortcoming is：Go out
Mouth hot water temperature is still higher（Usually less than 68 DEG C）, outlet hot water takes away amount of heat, do not take full advantage of hot water
Heat.
Hot-water two-stage type lithium bromide adsorption water chilling unit before（Call hot-water two-stage type bromine cooling machine in the following text）Sent out using the two poles of the earth
Raw double-lift absorption refrigeration workflow（Shown in Fig. 1）, its advantage is：Outlet hot water's temperature is than relatively low（Usually less than 60 DEG C）,
The heat that outlet hot water takes away is greatly reduced, and takes full advantage of the heat of hot water.Shortcoming is：Even in import, hot water temperature compares
Under conditions of height, coefficient of refrigerating performance is also than relatively low（Usually less than 0.45）, the high-grade heat of hot water high temperature section do not obtain accordingly
Efficient utilization.
As countries in the world are to the pay attention to day by day of energy-saving and emission-reduction and environmental requirement, hot water single-effect type bromine cooling machine and hot-water two-stage
Type bromine cooling machine is obviously not suitable for following application places：Import hot water temperature is higher（Close to the import of hot water single-effect type bromine cooling machine
Hot water temperature, such as 80 ~ 95 DEG C）, it is desirable to outlet hot water's temperature drops must be than relatively low（The about outlet heat of hot-water two-stage type bromine cooling machine
Coolant-temperature gage, usually less than 60 DEG C）, and require higher coefficient of performance of refrigerating（Higher than the system of hot-water two-stage type bromine cooling machine
The cold coefficient of performance）.
The content of the invention
The purpose of this utility model is to provide that one kind can drop outlet hot water's temperature must be than relatively low, and with higher
The hot water single-action of coefficient of performance of refrigerating four pump compound with two-stage lithium bromide adsorption water chilling unit processed.
What the utility model aim was realized in：A kind of hot water single-action four pump compound with two-stage suction-type lithium bromide processed
Handpiece Water Chilling Units, including high pressure generator, condenser, low pressure generator, high pressure absorber, low-pressure absorber, evaporator, the first heat
Exchanger, second heat exchanger, high pressure generating pump, absorption pump, cryogenic fluid pump, the 3rd heat exchanger, single-action generator and single-action hair
Raw pump, three parts of unit inside points, are respectively：（One）Single-action generator, condenser, high pressure generator are arranged in upper shell
Interior, low pressure generator and high pressure absorber are arranged in the same cavity of lower shell, and evaporator and low-pressure absorber are arranged in
In another cavity of lower shell, two cavitys are separated with partition plate；（Two）The weak solution of low-pressure absorber outlet is occurred by single-action
Pump output, by second heat exchanger and the 3rd heat exchanger, is transported to single-action generator and is occurred, become intermediate solution；
The intermediate solution come out from single-action generator, by the 3rd heat exchanger, flows automatically to low pressure generator and is being occurred；（Three）Heat
Water is introduced into single-action generator, heats the weak solution from low-pressure absorber；Hot water after the cooling of single-action generator, series connection
Enter high pressure generator after being introduced into low pressure generator, or parallel connection enters low pressure generator and high pressure generator.Unit is equipped with
Four canned motor pumps.
A kind of hot water single-action four pump compound with two-stage lithium bromide adsorption water chilling unit processed, four canned motor pumps, bag
Include high pressure generating pump, single-action generating pump, absorption pump, cryogenic fluid pump.
A kind of hot water single-action four pump compound with two-stage lithium bromide adsorption water chilling unit processed, the cooling water flow path of unit are
Serial flow or parallel-connection flow；Parallel-connection flow refers to：Three road of moisture is cooled down into unit, all the way into high pressure absorber, another way into
Low-pressure absorber, also all the way into condenser, three road cooling waters go out unit again after converging.
Liquid baffle board is set between the single-action generator and high pressure generator.
The utility model by be improved on the basis of conventional hot-water two-stage type bromine cooling machine refrigeration work flow and
Realize：（1）Add single-action generator.Single-action generator and condenser, high pressure generator are arranged in upper shell.As heating
The hot water in source is introduced into single-action generator, enters low pressure generator and high pressure generator afterwards.（2）In single-action generator and high pressure
Liquid baffle board is added between raw device, is ganged up for preventing the solution of single-action generator and high pressure generator from splashing.（3）Add the 3rd
Heat exchanger and solution connecting pipe etc..In the 3rd heat exchanger, the intermediate solution from single-action generator is with flowing to single-action
The weak solution of generator carries out heat exchange.（4）Make intermediate solution outlet and the intermediate solution of low pressure generator of single-action generator
Between entrance, there is appropriate difference in height（400~700mm）；The intermediate solution flow resistance of appropriately designed 3rd heat exchanger,
To 40 ~ 60mmHg.So that the intermediate solution that single-action generator comes out, by the pressure differential between difference in height and two cavitys,
The flow resistance of the 3rd heat exchanger can be overcome, voluntarily flow to low pressure generator, it is not necessary to which canned motor pump is set（Or low pressure occurs
Pump）To convey intermediate solution, four canned motor pumps are only equipped with so as to fulfill a unit.
The beneficial effects of the utility model are：（1）, can be by outlet hot water under conditions of import hot water temperature is higher
Temperature drops must be than relatively low（Reach outlet hot water's temperature of hot-water two-stage type bromine cooling machine, usually less than 60 DEG C）, make full use of hot water
Waste heat, and there is higher coefficient of performance of refrigerating（Between hot water single-effect type bromine cooling machine and hot-water two-stage type bromine cooling machine,
Generally in 0.55 ~ 0.65 scope）.(2) four canned motor pumps are only equipped with（Absorbed including high pressure generating pump, single-action generating pump, low pressure
Pump, cryogenic fluid pump）.
Brief description of the drawings
Fig. 1 is hot-water two-stage type bromine cooling machine work flow diagram.
Fig. 2 is the hot water single-action of the utility model four pump compound with two-stage lithium bromide adsorption water chilling unit workflow processed
Cheng Tu.
In figure：High pressure generating pump 1, second heat exchanger 2, absorption pump 3, low pressure generator 4, the heat of high pressure absorber 5, first
Exchanger 6, condenser 7, upper shell 8, high pressure generator 9, lower shell 10, evaporator 11, low-pressure absorber 12, cryogenic fluid pump 13,
Low pressure generating pump 14, the 3rd heat exchanger 15, single-action generator 16, single-action generating pump 17.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Embodiment 1：
As shown in Fig. 2, the compound four pump bromine cooling machine processed of hot water is by single-action generator 16, high pressure generator 9, condenser 7, low
Press generator 4, high pressure absorber 5, low-pressure absorber 12, evaporator 11, first heat exchanger 6, second heat exchanger the 2, the 3rd
Heat exchanger 15, high pressure generating pump 1, single-action generating pump 17, absorption pump 3, cryogenic fluid pump 13, control system（Not shown in figure）, pipe
The parts such as road, valve are formed.Single-action generator 16, high pressure generator 9, condenser 7 are arranged in upper shell 8, and low pressure occurs
Device 7 and high pressure absorber 5 are arranged in the same cavity of lower shell 10, and evaporator 11 and low-pressure absorber 12 are arranged in lower cylinder
In another cavity of body 10, two cavitys are separated with partition plate.The intermediate solution of single-action generator 16 is exported with low pressure to occur
Between the intermediate solution entrance of device 4, there is appropriate difference in height（400~700mm）；In appropriately designed 3rd heat exchanger 15
Between solution flow resistance, about in 40 ~ 60mmHg scopes.So that the intermediate solution that single-action generator 16 exports, by height
Pressure differential between difference and two intracavitary, can overcome the flow resistance of the 3rd solution heat exchanger 15, voluntarily flow to low pressure
Device 4, it is not necessary to which canned motor pump is set（Or low pressure generating pump）To convey intermediate solution.
Compound four pump of hot water bromine cooling machine processed has two independent solution recycle systems.Low-pressure absorber 12 exports dilute
Solution is exported by single-action generating pump 14, by 1 and the 3rd heat exchanger 15 of second heat exchanger, be transported to single-action generator 16 into
Row occurs, and becomes intermediate solution.The intermediate solution come out from single-action generator 16, by the 3rd heat exchanger 15, voluntarily flows to
Low pressure generator 4 is occurred again.The concentrated solution that low pressure generator 4 exports is exported by absorption pump 3, defeated through second heat exchanger 2
It is sent to low-pressure absorber 12.Above solution flow process forms a solution recycle system.This solution recycle system and hot water
The corresponding solution recycle system of two-stage type bromine cooling machine is different, i.e., weak solution is first transported to single-action generator 16 and is occurred,
Then low pressure generator 4 is flowed automatically to again to be occurred.The weak solution that high pressure absorber 5 exports is exported by high pressure generating pump 1, is passed through
First heat exchanger 6, is transported to high pressure generator 9 and is occurred, return high pressure generator 9, forms the circulation of another solution.
This solution recycle system solution recycle system corresponding with hot-water two-stage type bromine cooling machine is identical.
Hot water is introduced into single-action generator 16, heats the weak solution from low-pressure absorber 12, and the refrigerant vapour of generation exists
Water as refrigerant is condensed into condenser 7, water as refrigerant flows directly in evaporator 11 and is evaporated and freezes.Hot water is in single-action generator
The high temperature section high-grade heat of release, its coefficient of performance of refrigerating are identical with hot water single-effect type bromine cooling machine in 16.Occur by single-action
Hot water after the cooling of device 16, can connect and be introduced into low pressure generator 4, enter high pressure generator 9 afterwards, in parallel can also enter low
Press generator 4 and high pressure generator 9.Hot water release low-temperature zone tow taste heat in low pressure generator 4 and high pressure generator 9,
Its coefficient of performance of refrigerating is identical with hot-water two-stage type bromine cooling machine.To high temperature section high-grade heat and low-temperature zone tow taste heat into
Row cascade utilization, so as to obtain higher coefficient of performance of refrigerating（Between hot water single-effect type bromine cooling machine and hot-water two-stage type bromine cooling machine
Between, generally in 0.55 ~ 0.65 scope）.Import hot water temperature is higher, and the accounting that single-stage absorption refrigerating capacity occurs for single-action is got over
Height, the coefficient of performance of refrigerating of unit are also higher.
In addition to the implementation, the utility model has further included other embodiment, all to use equivalents or equivalent
The technical solution that substitute mode is formed, should all fall within the protection domain of the utility model claims.
Claims (4)
1. a kind of hot water single-action four pump compound with two-stage lithium bromide adsorption water chilling unit processed, including high pressure generator（9）, it is cold
Condenser（7）, low pressure generator（4）, high pressure absorber（5）, low-pressure absorber（12）, evaporator（11）, first heat exchanger
（6）, second heat exchanger（2）, high pressure generating pump（1）, absorption pump（3）, cryogenic fluid pump（13）, it is characterised in that：It further includes
Three heat exchangers（15）, single-action generator（16）, single-action generating pump（17）, three parts of unit inside points, are respectively（One）It is single
Imitate generator（16）, condenser（7）, high pressure generator（9）It is arranged in upper shell, low pressure generator（4）And high pressure absorber
（5）It is arranged in the same cavity of lower shell, evaporator（11）And low-pressure absorber（12）It is arranged in another of lower shell
In cavity, two cavitys are separated with partition plate；（Two）Low-pressure absorber（12）The weak solution of outlet is by single-action generating pump（17）Output,
By second heat exchanger（2）With the 3rd heat exchanger（15）, it is transported to single-action generator（16）Occurred, become middle molten
Liquid；From single-action generator（16）Intermediate solution out, by the 3rd heat exchanger（15）, flow automatically to low pressure generator（4）
Occurred；（Three）Hot water is introduced into single-action generator（16）, heat and come from low-pressure absorber（12）Weak solution；By single-action
Generator（16）Hot water after cooling, series connection are introduced into low pressure generator（4）Enter high pressure generator afterwards（9）, or it is in parallel into
Enter low pressure generator（4）And high pressure generator（9）；The unit is equipped with four canned motor pumps.
2. a kind of hot water single-action according to claim 1 four pump compound with two-stage lithium bromide adsorption water chilling unit processed,
It is characterized in that：Four canned motor pumps include high pressure generating pump（1）, single-action generating pump（17）, absorption pump（3）, cryogenic fluid pump
（13）.
A kind of 3. hot water single-action according to claim 1 or 2 four pump compound with two-stage lithium bromide adsorption water chilling machine processed
Group, it is characterised in that：The cooling water flow path of unit is serial flow or parallel-connection flow；Parallel-connection flow refers to：Cool down three tunnel of moisture
Into unit, all the way into high pressure absorber（5）, another way is into low-pressure absorber（12）, also all the way into condenser（7）, three roads are cold
But water goes out unit again after converging.
A kind of 4. hot water single-action according to claim 1 or 2 four pump compound with two-stage lithium bromide adsorption water chilling machine processed
Group, it is characterised in that：Liquid baffle board is set between the single-action generator and high pressure generator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721242954.9U CN207262757U (en) | 2017-09-26 | 2017-09-26 | Hot water single-action four pump compound with two-stage lithium bromide adsorption water chilling unit processed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721242954.9U CN207262757U (en) | 2017-09-26 | 2017-09-26 | Hot water single-action four pump compound with two-stage lithium bromide adsorption water chilling unit processed |
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| CN207262757U true CN207262757U (en) | 2018-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687720A (en) * | 2017-09-26 | 2018-02-13 | 双良节能***股份有限公司 | Hot water single-action and the compound four pumps lithium bromide adsorption water chilling unit of two-stage |
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2017
- 2017-09-26 CN CN201721242954.9U patent/CN207262757U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687720A (en) * | 2017-09-26 | 2018-02-13 | 双良节能***股份有限公司 | Hot water single-action and the compound four pumps lithium bromide adsorption water chilling unit of two-stage |
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