CN1948883A - Circulation cooling system - Google Patents
Circulation cooling system Download PDFInfo
- Publication number
- CN1948883A CN1948883A CN 200510057318 CN200510057318A CN1948883A CN 1948883 A CN1948883 A CN 1948883A CN 200510057318 CN200510057318 CN 200510057318 CN 200510057318 A CN200510057318 A CN 200510057318A CN 1948883 A CN1948883 A CN 1948883A
- Authority
- CN
- China
- Prior art keywords
- water
- cooling
- cooler
- air
- surface evaporation
- Prior art date
- 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.)
- Granted
Links
Images
Landscapes
- Drying Of Gases (AREA)
Abstract
The invention relates to circulation and cooling system. It is formed by surface evaporation air cooler and refrigerating dehumidifier. The cooling medium can be soft water or desalt water. The condensed water from the refrigerating dehumidifier can be used as complementing new water finally complemented to surface evaporation air cooler outer circulation system through condensed water filter, condensed water pipeline, new water complementing pipeline, open ditch pool. The invention can remove fouling for each cooler, harm caused by corroding, reduce new water supplying quantity from outer. It can be used in large scale air turbine mechanism, air refrigerating dehumidifier, electric machinery etc, northern area, or southern moist heat area.
Description
Technical field
The invention belongs to general heat exchange class technical field, relate in particular to soft water (or demineralized water) closed cycle evaporative cooling system, and this system is mainly used in the closed cycle evaporative cooling of powered rotation plant equipment, lubricating oil system, and air freezing dehumidification equipment need be arranged in this system simultaneously.A kind ofly be used for soft water is cooled to≤33 ℃ closed circuit cooling system, particularly in the summer high temperature period.
Background technology
At present, the cooling at the cooling of the motor in steel plant in the power station of blast furnace blower station or other industry, lubricating oil station and power oil station, all adopt open type industry water circulating cooling system with the cooling of the refrigeration compressor of freezing dehumidifying device, its evaporated water of being taken away by the open type blower fan of cooling tower is about about 3～4% of the global cycle water yield, if the circulation Total Water is 5000m
3/ h, its loss amount are 150～200m
3/ h, also being needs the additional new water yield.And when summer, spring and autumn, because the water that the operation of freezing dehumidifying device condenses from the air is directly entered trench utilization.To form incrustation scale on the heat-transfer surface after the long-time running in cooler, and increase the heat transfer resistance of cooling surface, the effect that be cooled summer descends to some extent.In order to reach desirable cooling effect with regard to the new water rate of water make-up that must increase recirculated water with regularly clean.Because recirculated cooling water directly contacts with air for a long time, the dust that contains in the air and other harmful substance also enter in the recirculated cooling water, except fouling in cooler, also cooling surface is produced alkaline intercrystalline corrosion (even more serious when particularly cooling surface adopts stainless steel), cause cooler heating surface local leakage the most at last, to pollute lubricating oil and power oil, recirculated cooling water also will be dyed by greasy dirt, cause the total system heat transfer deterioration.
In native system for removing a large amount of airborne moisture, the freezing mode of main employing is handled, air is cooled to 8～10 ℃ usually, and the condensing water temperature of deviating from the corresponding air is generally about 10～15 ℃, and this part condensate water directly enters sewer.
In open type industry cooling recirculation system mainly by open type cooling tower, water circulating pump, each cooler (comprising the condenser of oil cooler, cooler of electric motor, refrigeration compressor etc.) and between connecting pipe.Its technological process at first enters the dehumidification cooling heat exchanger after the dedusting of process air filter for inhaled air from atmosphere, through being cooled to 8～10 ℃, remove airborne moisture simultaneously and make it reach the saturated water capacity of corresponding temperature, when summer high temperature, can deviate from about 20g/m usually
3The moisture that (air) is above is used for the air user by turbine pressurization back at last.
Summary of the invention
The object of the present invention is to provide a kind of closed circuit cooling system, interior circulatory mediator in the circulating cooling system adopts soft water or demineralized water, fundamentally eliminate the fouling in each cooler and corrode the harm that causes, make full use of condensing capacity simultaneously, reduce the outside new water yield of supplying with, can also utilize the cold of the condensate water of this part low temperature.The present invention mainly is suitable for having the large-scale air turbomachinery, the occasion of air freezing moisture eliminator, motor etc., mainly is applicable at northern area, also goes for southern damp-heat area.
The present invention relates generally to and changes open type industry water circulating cooling system into closed circuit cooling system, its cooling medium is soft water or demineralized water, cooling tower adopts the surface evaporation aerial cooler, the wet-bulb temperature that makes the temperature of the soft water that is cooled or demineralized water can reach local atmospheric temperature correspondence adds the temperature of heat transfer temperature difference again, be controlled at≤below 33 ℃.Atmospheric temperature and most of period in most of area, the north are can realize cooling off the soft water temperature below≤33 ℃, but when noon in summer to afternoon, the several hrs atmospheric temperature was higher, abutment surface air cooling heat evaporative surface exchanger will realize that cooling water temperature is in the comparison difficulty that just seems below≤33 ℃, to be frozen the moisture that dehumidification goes out from air utilizes fully, the condensing water temperature of deviating from is about 10～15 ℃, its water yield accounts for replenishes about 40%～50% of new water, both can make full use of this part condensing capacity, reduce the outside new water yield of supplying with, can utilize simultaneously the cold of the condensate water of this part low temperature, make the temperature decrease to some degree of remover for surface evaporation type air cooling outer loop water, control cooling soft water temperature below≤33 ℃.In the following time of situation of a certain area and a certain period thermal extremes, one group little cooling heating surface is set in freezing dehumidifying device, mainly soft water will be replenished or demineralized water is cooled to water at low temperature, directly charge among the interior circulation of soft water, more direct control soft water chilling temperature guarantees to cool off the soft water temperature fully in≤33 ℃.40% water at low temperature that outer circulation replenishes and interior circulation directly replenish the double action of the soft or demineralized water of low temperature, guarantee that the equipment of being cooled (particularly oil system) moves normally in summer high temperature period safety.
The interior circulatory mediator that the objective of the invention is in the circulating cooling system adopts soft water or demineralized water, fundamentally eliminates the fouling in each cooler and corrodes the harm that causes; Adopt the surface evaporation aerial cooler make in soft water in the circulation or demineralized water be cooled to the heat transfer temperature difference that wet-bulb temperature under the local atmospheric temperature is added tube wall, typical temperature≤33 ℃; In the summer high temperature period, utilize condensate water that freezing moisture eliminator deviates from supplementing water as outer circulation from air, replenish the new water yield to save, in addition, the soft water or the demineralized water of circulation in will replenishing, by being arranged in after one group of little cooler in the freezing moisture eliminator directly is cooled to below 10 ℃, directly replenish in circulation play direct cooling effect, under the effect of dual-cooled, guarantee soft or the demineralized water water temperature be controlled at≤33 ℃ within.
Purpose of the present invention realizes with following technical scheme:
Air enters freezing moisture eliminator after by air cleaner, and air is cooled to about 8～10 ℃, and airborne moisture is condensed out and enters collecting box, through behind the water filter by the pump new as a supplement water that boosts; In soft water in the circulation or demineralized water through 5～8 ℃ temperature rise will being arranged behind each cooler, enter surface evaporation air cooler by pipeline and be cooled to back below 33 ℃ and boost by circulating pump and deliver to each cooler place.
Surface evaporation air cooler be set in system mainly be utilized should the sky cooler cooling characteristics, conduct heat by the wet-bulb temperature of atmosphere, therefore the outer circulation coolant-temperature gage of surface evaporation air cooler self is basically near wet-bulb temperature, and in the summer high temperature period, the new as a supplement water of the condensed water that condenses by freezing dehumidification, be supplemented to the surface evaporation air cooler external circulating system, account for and replenish 40%～50% of the new water yield, temperature is 10～15 ℃ a condensate water, can play certain cooling effect, in addition, one group of cooler that heat exchange area is less is set in freezing moisture eliminator, the additional soft water or the demineralized water of circulation in being used for cooling off, directly be supplemented to the preceding place of water circulating pump of internal circulation system after being cooled to below 10 ℃, play the effect of interior circulation soft water of direct cooling or demineralized water, under the effect of the powerful cooling of this inside and outside dual, even under outdoor summer thermal extremes situation, also can guarantee fully being cooled to of the soft water of interior circulation or demineralized water≤below 33 ℃.
Description of drawings
Fig. 1 is existing open type industry water circulating cooling system figure.
Fig. 2 is circulating cooling system figure of the present invention.
Among the figure, part 1 is the intake air pipeline, part 2 is intake air pipelines, part 3 is air ducts behind the dehumidification, part 4 is turbine units, part 5 is turbine unit air outlet slit pipelines, part 6 is motor, part 7 is freezing dehumidification cooling heat exchangers, part 8 is refrigeration system condensers, part 9 is condenser cooling water water return pipelines, part 10 is cooling tower return mains, part 11 is open type cooling towers, part 12 is ponds of open type cooling tower, part 13 is pond outlet conduits, part 14 is water circulating pumps, and part 15 is water supply lines, part 16, the 17th, CWR road, oil station, part 18 is motor CWR roads, part 19 is moisture eliminator condensing water conduits, and part 20 is freezing dehumidification cooling heat exchangers, and part 21 is condensate water collecting boxs, part 22 is condensation water filters, part 23 is condensing water conduits, and part 24 is condensate pumps, and part 25 is condensate water output channels, part 26 is to replenish new waterpipe, part 27 is surface evaporation aerial coolers, and part 28 is closed cycle soft water return mains, and part 29 is heat exchanger tubes of surface evaporation aerial cooler, part 30 is soft water outlet pipes of surface evaporation aerial cooler, part 31 is soft water closed cycle water pumps, and part 32 is closed cycle soft water water mains, and part 33 is spray water pumps of surface evaporation aerial cooler self, part 34 is to replenish the soft water inlet duct, and part 35 is the soft water condensate make-up pipings after being cooled.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing:
In main cooling soft water closed cycle, it imports closed cycle soft water return main 28 by the backwater through each cooler in the condenser cooling water water return pipeline 9 of refrigeration system condenser 8, CWR road, oil station 16,17, motor CWR road 18, is connected to by the soft water outlet pipe 30 of surface evaporation aerial cooler through the heat exchanger tube 29 cooling backs of the surface evaporation aerial cooler of surface evaporation aerial cooler 27 and delivers to each cooler by closed cycle soft water water main 32 after soft water closed cycle water pump 31 boosts.In freezing moisture eliminator, be provided with two groups of cooling heat exchangers: freezing dehumidification cooling heat exchanger 7 and 20, freezing dehumidification cooling heat exchanger 7 will be cooled to 8～10 ℃ by the air of intake air pipeline 1 and 2, join by air duct behind the dehumidification 3 and turbine unit 4, after freezing dehumidification cooling heat exchanger 20 will replenish additional soft water that soft water inlet duct 34 sends here and be cooled to below 10 ℃, be connected with the soft water outlet pipe 30 of surface evaporation aerial cooler by the soft water condensate make-up piping 35 after being cooled and directly send into internal circulation system.Air will be wherein after by freezing dehumidification cooling heat exchanger 7 hydrogenesis come out, by sending into condensate water collecting box 21 after 19 collections of moisture eliminator condensing water conduit, after passing through the filtration of condensation water filter 22 then, connect condensate pump 24 by condensing water conduit 23 and send into additional new waterpipe 26 by condensate water output channel 25 through boosting, replenish the pond 12 that enters the open type cooling tower at last, spray water pump 33 through being provided with in surface evaporation air cooler constantly cools off for the heat exchanger tube 29 of supplementing water to surperficial air cooling heat evaporative surface exchanger, guarantees that the surface evaporation aerial cooler moves below the atmospheric moisture bulb temperature all the time.
After closed circulation system of the present invention, the outlet coolant-temperature gage of the cooling water of soft water closed cycle can be controlled at all the time≤and 33 ℃, guarantee the cooling effect of each cooler, reclaim the condensate water that freezing moisture eliminator cools down simultaneously, can make full use of condensing capacity, reduce the outside new water yield of supplying with, can also utilize the cold of the condensate water of this part low temperature.In addition, owing to use the cooling water of soft water closed cycle, eliminate the harm that fouling in each cooler and corrosion cause, reduce wash number, prolong each cooler service life.
The present invention mainly is suitable for having the large-scale air turbomachinery, the occasion of air freezing moisture eliminator, motor etc., mainly is applicable at northern area, also goes for southern damp-heat area.
Claims (2)
1. circulating cooling system, form by surface evaporation aerial cooler, freezing moisture eliminator, it is characterized in that: cooling medium is soft water or demineralized water, the new as a supplement water of the condensed water that condenses by freezing dehumidification, after the condensation water filter filtration, connect condensate pump through boosting by condensing water conduit, send into by the condensate water output channel and replenish new waterpipe, replenish the pond that enters the open type cooling tower at last, be supplemented to the surface evaporation air cooler external circulating system.
2. according to claims 1 described circulating cooling system, it is characterized in that: one group of cooler that heat exchange area is less is set in freezing moisture eliminator, the additional soft water or the demineralized water of circulation in being used for cooling off directly are supplemented to the water circulating pump inlet of internal circulation system after being cooled to below 10 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100573184A CN100472167C (en) | 2005-10-10 | 2005-10-10 | Circulation cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100573184A CN100472167C (en) | 2005-10-10 | 2005-10-10 | Circulation cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1948883A true CN1948883A (en) | 2007-04-18 |
| CN100472167C CN100472167C (en) | 2009-03-25 |
Family
ID=38018467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100573184A Active CN100472167C (en) | 2005-10-10 | 2005-10-10 | Circulation cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100472167C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313456A (en) * | 2011-09-14 | 2012-01-11 | 安徽淮化股份有限公司 | Cooling water regulating system of condenser |
| CN103292611A (en) * | 2013-05-17 | 2013-09-11 | 东南大学 | Water-saving device used for wet-type air cooler in air-cooled power plant |
| CN104456518A (en) * | 2014-12-29 | 2015-03-25 | 东方电气集团东方汽轮机有限公司 | Wet and cold steam turbine generator unit lubricating oil heat recovery and utilization method |
| CN104748610A (en) * | 2014-12-31 | 2015-07-01 | 神华集团有限责任公司 | Cooling system of cooling tower |
| CN109140420A (en) * | 2018-09-18 | 2019-01-04 | 绍兴华越科技咨询有限公司 | Heat recovery circulator with aerial cooler |
| CN113737209A (en) * | 2021-09-27 | 2021-12-03 | 长江勘测规划设计研究有限责任公司 | Water electrolysis hydrogen production system adopting external circulation evaporation cooling full immersion and use method |
| CN114019122A (en) * | 2021-10-28 | 2022-02-08 | 乌海市泰美节能环保材料有限公司 | Dynamic simulation device for industrial circulating cooling water |
| CN114777390A (en) * | 2022-05-11 | 2022-07-22 | 广东韶钢松山股份有限公司 | Circulating water quality stabilizing method and circulating water system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6135825A (en) * | 1984-07-26 | 1986-02-20 | Eiichi Uratani | Apparatus for dehumidifying compressed gas |
| FR2740868A1 (en) * | 1995-11-06 | 1997-05-09 | Flavi | CONDENSATE DISCHARGE DEVICE MOUNTED ON CONDENSATE GENERATING APPARATUS |
| CN2233557Y (en) * | 1996-01-19 | 1996-08-21 | 马军 | Surface evaporative air cooler |
| BE1009886A5 (en) * | 1996-05-08 | 1997-09-02 | Hamon Thermal Engineers & Cont | Method and device for the production of water condensation this moisture in air air. |
-
2005
- 2005-10-10 CN CNB2005100573184A patent/CN100472167C/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313456A (en) * | 2011-09-14 | 2012-01-11 | 安徽淮化股份有限公司 | Cooling water regulating system of condenser |
| CN103292611A (en) * | 2013-05-17 | 2013-09-11 | 东南大学 | Water-saving device used for wet-type air cooler in air-cooled power plant |
| CN104456518A (en) * | 2014-12-29 | 2015-03-25 | 东方电气集团东方汽轮机有限公司 | Wet and cold steam turbine generator unit lubricating oil heat recovery and utilization method |
| CN104456518B (en) * | 2014-12-29 | 2017-01-11 | 东方电气集团东方汽轮机有限公司 | Wet and cold steam turbine generator unit lubricating oil heat recovery and utilization method |
| CN104748610A (en) * | 2014-12-31 | 2015-07-01 | 神华集团有限责任公司 | Cooling system of cooling tower |
| CN109140420A (en) * | 2018-09-18 | 2019-01-04 | 绍兴华越科技咨询有限公司 | Heat recovery circulator with aerial cooler |
| CN109140420B (en) * | 2018-09-18 | 2024-02-27 | 绍兴华越科技咨询有限公司 | Heat recovery circulation device with air cooler |
| CN113737209A (en) * | 2021-09-27 | 2021-12-03 | 长江勘测规划设计研究有限责任公司 | Water electrolysis hydrogen production system adopting external circulation evaporation cooling full immersion and use method |
| CN114019122A (en) * | 2021-10-28 | 2022-02-08 | 乌海市泰美节能环保材料有限公司 | Dynamic simulation device for industrial circulating cooling water |
| CN114777390A (en) * | 2022-05-11 | 2022-07-22 | 广东韶钢松山股份有限公司 | Circulating water quality stabilizing method and circulating water system |
| CN114777390B (en) * | 2022-05-11 | 2024-01-09 | 广东韶钢松山股份有限公司 | Circulating water quality stabilization method and circulating water system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100472167C (en) | 2009-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100472167C (en) | Circulation cooling system | |
| CN101514829B (en) | Tube-plate evaporative condensing air-conditioning unit with packing | |
| CN201852342U (en) | Wet curtain evaporative cooling air-cooled condensing unit | |
| CN101418971B (en) | Composite multi-source central air-conditioning machine set using geothermal energy | |
| CN102269466A (en) | Fresh air handling unit | |
| CN206670134U (en) | Double low-temperature receiver plate-sheet-type evaporative condenser all-in-ones | |
| CN104864732A (en) | Evaporation type condenser system used for thermal power plant small steam turbine steam exhaust condensing | |
| CN102777990A (en) | Air conditioning unit system of water source heat pump in reservoir for underground hydropower station | |
| CN202734118U (en) | Large temperature difference air conditioning system used for data center heat removal | |
| CN101776400A (en) | Forced-draft direct water film evaporative air-cooling condensor system | |
| CN2861937Y (en) | Circulating cooling apparatus | |
| CN215637696U (en) | Air-cooled heat pump air conditioning unit condenser re-cooling system | |
| CN1309997C (en) | Energy accumulation type combustion gas and heat pump composite air-conditioning | |
| CN102818326A (en) | Large temperature difference air conditioning system for heat extraction of data center and using method thereof | |
| CN111637569A (en) | Indirect evaporation air cooling device | |
| CN111295084A (en) | Indirect evaporative cooling air conditioning unit using condenser and evaporator | |
| CN105276735A (en) | Evaporative cooling-mechanical refrigerating combined air conditioning system utilizing subway tunnel to radiate | |
| CN118066737A (en) | Split type heat-taking heat pump system and heat-taking box | |
| CN104501466A (en) | Thermal regeneration solution dehumidifying unit of ground source heat pump | |
| CN108444152B (en) | Full-efficiency combined air source heat pump system | |
| CN204513626U (en) | A kind of thermostatic type solution dehumidification regeneration cycle system | |
| CN215453701U (en) | Internal cooling type evaporative cooling cold water system for data center | |
| CN105571024A (en) | Haze low-temperature energy absorption purification heat pump VRV (Variable Refrigerant Volume) system device | |
| CN203907864U (en) | Energy recovery and chilled water storage combined air conditioning device | |
| CN207778864U (en) | A kind of solar heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |