CN104266507A - Wet air compression evaporative cooling water recovery system and method - Google Patents
Wet air compression evaporative cooling water recovery system and method Download PDFInfo
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- CN104266507A CN104266507A CN201410453386.1A CN201410453386A CN104266507A CN 104266507 A CN104266507 A CN 104266507A CN 201410453386 A CN201410453386 A CN 201410453386A CN 104266507 A CN104266507 A CN 104266507A
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Abstract
The invention discloses a wet air compression evaporative cooling water recovery system and method and belongs to the field of energy and power. The wet air compression evaporative cooling water recovery system is characterized by further comprising a wet air compression water recovery subsystem, wherein the subsystem comprises a wet air compressor, an air-cooled wet air condenser, a condensate water throttling valve and a condensed wet air throttling valve; the wet air compressor is connected with an outlet of an evaporative cooling system; the wet air condenser is connected with an outlet of the wet air compressor; the condensate water throttling valve and the condensed wet air throttling valve are connected with an outlet of the wet air condenser; an outlet of the condensate water throttling valve is connected with an inlet of a circulating water tank of an evaporative condensation subsystem through a condensate water tank. According to the wet air compression evaporative cooling water recovery system and method, an evaporative cooler is fully utilized to exhaust saturated wet air, circulating water fed into the evaporative cooling system is recovered, and meanwhile the wet air with the pressure increased by the compressor is cooled with air; consequently, a large amount of the circulating water and cooling water are saved, and the national strategic goal of sustainable development of water resources is met.
Description
Technical field
The present invention relates to a kind of humid air Compression Evaporation formula cooling water recovery system and method thereof, belong to energy and power engineering field.
Background technology
Evaporating type cooling system is at electric power, the fields such as chemical industry obtain and utilize widely, its principle mainly utilizes circulated sprinkling evaporation of water latent heat to carry out cooling working medium, to mix with incoming flow cooling-air by the steam after thermal evaporation and produce saturated moist air, saturated moist air is directly entered air by traditional evaporating type cooling system, therefore a large amount of water resources will be consumed, particularly in arid area, water resource and electric power, the contradiction of industrial cooling water, directly enters air simultaneously and also can cause thermal pollution to environment by Hot wet air heating.But the research that the saturated moist air moisture that evaporating type cooling system is discharged reclaims also is not drawn attention.
Summary of the invention
The object of the invention is to propose a kind of humid air Compression Evaporation formula cooling water recovery system and method thereof.
A kind of humid air Compression Evaporation formula cooling water recovery system, comprises vaporation-type cooling subsystem, humid air pressurized water reclaims subsystem;
Wherein vaporation-type cooling subsystem recirculated water sprayer unit, cooling coil, circulating fan, cyclic water tank, water circulating pump and cooling tower; Wherein recirculated water sprayer unit, cooling coil and circulating fan are arranged in cooling tower from top to down successively, and cyclic water tank outlet is connected with water circulating pump import, and water circulating pump outlet is connected with the import of recirculated water sprayer unit;
It is characterized in that: above-mentioned humid air pressurized water reclaims subsystem and comprises wet air compressor, wet air condensation device, condensed water choke valve, condensation humid air choke valve, condensation water tank; The outlet of cooling tower saturated moist air is connected with wet air compressor import, wet air compressor outlet is connected with the hot side-entrance of wet air condensation device, the outlet of wet air condensation device is divided into the first outlet branch road and the second outlet branch road, first outlet branch road is connected with the import of condensed water choke valve, the outlet of condensed water choke valve is connected with condensation water tank import, and condensation water tank outlet is connected with cyclic water tank import; Wet air condensation device second exports branch road and is connected with condensation humid air choke valve, and the outlet of condensation humid air choke valve is connected with air.
The course of work of above-mentioned humid air Compression Evaporation formula cooling water recovery system, comprise following process: in vaporation-type cooling subsystem, cyclic water tank enters in recirculated water sprayer unit nozzle after water circulating pump pressurization, depend on cooling coil surface through spraying Posterior circle water drop, drop forms saturated moist air with the cooling-air flowed into through circulating fan by thermal evaporation in cooling tower; The humid air pressurized water that enters saturated moist air through cooling tower discharge reclaims the wet air compressor in subsystem, humid air enters the hot side-entrance of wet air condensation device after temperature-pressure, humid air is divided into the first outlet branch road and the second outlet branch road after condensation, condensed water enters condensed water choke valve through the first outlet branch road, enter condensation water tank after step-down, finally enter cyclic water tank and start next circulation; Condensation humid air enters condensation humid air choke valve through the second outlet branch road, enters ambient air after step-down.
Subsystem is reclaimed by utilizing above-mentioned humid air pressurized water, the moisture in cooling tower discharge saturated moist air can be reclaimed, make recovery condensed water reenter vaporation-type cooling subsystem simultaneously and participate in circulation, greatly reduce the circulation water consumption of conventional evaporative cooling system.
The wet air compressor that above-mentioned humid air pressurized water reclaims in subsystem is twin-screw wet air compressor, can overcome in cooling tower outlet saturated moist air and carry the loss of drop to compressor arrangement.
The wet air condensation device that above-mentioned humid air pressurized water reclaims in subsystem adopts air cooling mode, and water-saving performance is excellent, in order to increase cooling load, adopts the blowing-type air cooling unit integrated morphology of axial flow blower and heat exchanger tube composition.
The above-mentioned humid air pressurized water wet air condensation device reclaimed in subsystem adopts the service condition of frequency converter to blower fan to regulate, for the change of environmental condition, by changing the rotating speed of blower fan to ensure that humid air pressurized water reclaims the stable and high effective operation of subsystem.
The wet air condensation device that above-mentioned humid air pressurized water reclaims subsystem is base steel pipe aluminum fin-stock structure.
Accompanying drawing explanation
Fig. 1 is existing evaporating type cooling system; Fig. 2 is humid air Compression Evaporation formula cooling water recovery system of the present invention, number in the figure title: 1 recirculated water sprayer unit, 2 cooling coils, 3 circulating fans, 4 cyclic water tanks, 5 water circulating pumps, 6 cooling towers, 7 wet air compressors, 8 wet air condensation devices, 9 condensed water choke valves, 10 condensation humid air choke valves, 11 condensation water tank A vaporation-type cooling subsystems, B humid air pressurized water reclaims subsystem.
Detailed description of the invention
The running of humid air Compression Evaporation formula cooling water recovery system is described referring to Fig. 1, Fig. 2.
Fig. 2 is the humid air Compression Evaporation formula cooling water recovery system that the present invention proposes.The course of work of this system is as follows: the recirculated water in vaporation-type cooling subsystem cyclic water tank enters in recirculated water sprayer unit nozzle after water circulating pump pressurization, depend on cooling coil surface through spraying Posterior circle water drop, drop forms saturated moist air with the cooling-air flowed into through circulating fan by thermal evaporation in cooling tower.So far, if do not start humid air pressurized water to reclaim subsystem, this system operation and Fig. 1 are substantially identical;
After installing humid air compression subsystem additional, the humid air pressurized water that enters saturated moist air through cooling tower discharge reclaims the wet air compressor in subsystem, humid air enters the hot side-entrance of wet air condensation device after temperature-pressure, humid air is divided into the first outlet branch road and the second outlet branch road after condensation, condensed water enters condensed water choke valve through the first outlet branch road, enter condensation water tank after step-down, finally enter cyclic water tank and start next circulation; Condensation humid air enters condensation humid air choke valve through the second outlet branch road, enters ambient air after step-down.
Claims (6)
1. a humid air Compression Evaporation formula cooling water recovery system, comprises vaporation-type cooling subsystem (A), humid air pressurized water reclaims subsystem (B);
Wherein vaporation-type cooling subsystem (A) comprises recirculated water sprayer unit (1), cooling coil (2), circulating fan (3), cyclic water tank (4), water circulating pump (5) and cooling tower (6); Wherein recirculated water sprayer unit (1), cooling coil (2) and circulating fan (3) are arranged in cooling tower (6) from top to bottom successively, cyclic water tank (4) outlet is connected with water circulating pump (5) import, and water circulating pump (5) outlet is connected with recirculated water sprayer unit (1) import;
It is characterized in that: above-mentioned humid air pressurized water reclaims subsystem (B) and comprises wet air compressor (7), wet air condensation device (8), condensed water choke valve (9), condensation humid air choke valve (10), condensation water tank (11);
The outlet of cooling tower (6) saturated moist air is connected with wet air compressor (7) import, wet air compressor (7) outlet is connected with wet air condensation device (8) hot side-entrance, wet air condensation device (8) outlet is divided into the first outlet branch road and the second outlet branch road, first outlet branch road is connected with condensed water choke valve (9) import, condensed water choke valve (9) outlet is connected with condensation water tank (11) import, and condensation water tank (11) outlet is connected with cyclic water tank (4) import; Wet air condensation device (8) second exports branch road and is connected with condensation humid air choke valve (10), and condensation humid air choke valve (10) outlet is connected with air.
2. humid air Compression Evaporation formula cooling water recovery system according to claim 1, is characterized in that: the wet air compressor (15) that above-mentioned humid air pressurized water reclaims in subsystem (B) is twin-screw wet air compressor.
3. humid air Compression Evaporation formula cooling water recovery system according to claim 1, is characterized in that: above-mentioned humid air pressurized water reclaims the blowing-type air cooling unit integrated morphology that the wet air condensation device (8) in subsystem (B) forms for axial flow blower and heat exchanger tube.
4. humid air Compression Evaporation formula cooling water recovery system according to claim 3, is characterized in that: the above-mentioned humid air pressurized water wet air condensation device (8) reclaimed in subsystem (B) is provided with the frequency converter for controlling fan operation rotating speed.
5. humid air Compression Evaporation formula cooling water recovery system according to claim 1, is characterized in that: the wet air condensation device (8) that above-mentioned humid air pressurized water reclaims subsystem (B) is base steel pipe aluminum fin-stock structure.
6. the method for work of humid air Compression Evaporation formula cooling water recovery system according to claim 1, comprise following process: the recirculated water in the cyclic water tank (4) of vaporation-type cooling subsystem (A) enters in recirculated water sprayer unit (1) nozzle after water circulating pump (5) pressurization, depend on cooling coil (2) surface through spraying Posterior circle water drop, drop forms saturated moist air with the cooling-air flowed into through circulating fan (3) by thermal evaporation in cooling tower (6);
Characterized by further comprising following process: the saturated moist air of discharging through cooling tower (6) enters humid air pressurized water and reclaims wet air compressor (7) in subsystem (B), humid air enters the hot side-entrance of wet air condensation device (8) after temperature-pressure, humid air is divided into the first outlet branch road and the second outlet branch road after condensation, condensed water enters condensed water choke valve (9) through the first outlet branch road, enter condensation water tank (11) after step-down, finally enter cyclic water tank (4) and start next circulation; Condensation humid air enters condensation humid air choke valve (10) through the second outlet branch road, enters ambient air after step-down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410453386.1A CN104266507A (en) | 2014-09-09 | 2014-09-09 | Wet air compression evaporative cooling water recovery system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410453386.1A CN104266507A (en) | 2014-09-09 | 2014-09-09 | Wet air compression evaporative cooling water recovery system and method |
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| Publication Number | Publication Date |
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| CN104266507A true CN104266507A (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410453386.1A Pending CN104266507A (en) | 2014-09-09 | 2014-09-09 | Wet air compression evaporative cooling water recovery system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710078A (en) * | 2020-12-30 | 2021-04-27 | 佛山市顺德区美的电子科技有限公司 | Water distribution device, air conditioner and control method of air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1129631A (en) * | 1965-11-19 | 1968-10-09 | Baltimore Aircoil Co Inc | Trough system for evaporative heat exchangers |
| CN2144287Y (en) * | 1992-11-24 | 1993-10-20 | 山东建筑工程学院 | Closed cooling tower |
| KR20100109132A (en) * | 2009-03-31 | 2010-10-08 | 주식회사 포스코 | Evaporation water recovery type cooling tower |
| CN202109599U (en) * | 2011-05-31 | 2012-01-11 | 华南理工大学 | Energy-saving air conditioner |
| CN103234370A (en) * | 2013-05-31 | 2013-08-07 | 无锡禹兵冷却设备有限公司 | Light closed cooling tower |
-
2014
- 2014-09-09 CN CN201410453386.1A patent/CN104266507A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1129631A (en) * | 1965-11-19 | 1968-10-09 | Baltimore Aircoil Co Inc | Trough system for evaporative heat exchangers |
| CN2144287Y (en) * | 1992-11-24 | 1993-10-20 | 山东建筑工程学院 | Closed cooling tower |
| KR20100109132A (en) * | 2009-03-31 | 2010-10-08 | 주식회사 포스코 | Evaporation water recovery type cooling tower |
| CN202109599U (en) * | 2011-05-31 | 2012-01-11 | 华南理工大学 | Energy-saving air conditioner |
| CN103234370A (en) * | 2013-05-31 | 2013-08-07 | 无锡禹兵冷却设备有限公司 | Light closed cooling tower |
Non-Patent Citations (1)
| Title |
|---|
| 周雷等: "基于蒸汽再压缩技术的低温干燥系统设计与节能分析", 《节能技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710078A (en) * | 2020-12-30 | 2021-04-27 | 佛山市顺德区美的电子科技有限公司 | Water distribution device, air conditioner and control method of air conditioner |
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