CN2861937Y - Circulating cooling apparatus - Google Patents
Circulating cooling apparatus Download PDFInfo
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- CN2861937Y CN2861937Y CN 200520010085 CN200520010085U CN2861937Y CN 2861937 Y CN2861937 Y CN 2861937Y CN 200520010085 CN200520010085 CN 200520010085 CN 200520010085 U CN200520010085 U CN 200520010085U CN 2861937 Y CN2861937 Y CN 2861937Y
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- water
- cooling
- freezing
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- cooler
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Abstract
The utility model relates to a circulated cooling device, belonging to general heat exchanging field, comprising an air cooler with surface evaporation, a frozen dehumidifier; the cooling media is soft water and desalt water, and the condensation water from dehumidifier is used as supplementary water. After filtering from a condensation water filter, the utility model will be send to fresh water piping through condensation piping with booster pump and then go into a water tank of open cooling tower and to a circulating system of surface evaporator. The utility model is to eliminate damage from fouling resistance and erosion in each cooler. Meanwhile, make full use of condensation water and cooling of condensation water with low temperature to reduce externally-supplied water. The utility model is applicable to large air turbine machines, air frozen dehumidifier and motor, mainly in north area of China, also to wet hot area of south areas.
Description
Technical field
The utility model is a kind of cooling back installation, belong to general heat exchange class technical field, relate in particular to soft water (or demineralized water) closed cycle evaporation-cooled device, and this device 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 device 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 purpose of this utility model is to provide a kind of cooling back installation, interior circulatory mediator in the cooling back installation 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, utilize the cold of the condensate water of this part low temperature.The utility model 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 purpose of this utility model is achieved in that a kind of cooling back installation, comprises cooling tower, and freezing moisture eliminator is characterized in that: described cooling tower adopts the surface evaporation aerial cooler; The condensed water that the freezing dehumidification cooling heat exchanger of described freezing moisture eliminator condenses enters the condensate water collecting box through the condensing water conduit of described freezing moisture eliminator; Described condensate water collecting box links to each other with condensation water filter; Described condensation water filter is connected with condensate pump through condensing water conduit; Described condensate pump communicates with the additional new waterpipe of described surface evaporation aerial cooler and then communicates with the pond of described surface evaporation aerial cooler through the condensate water output channel; The cooling medium of described each pipeline is soft water or demineralized water.
Also can set up the freezing dehumidification cooling heat exchanger that one group of band replenishes the soft water inlet duct in the above-mentioned freezing moisture eliminator, the soft water condensate make-up piping of described freezing dehumidification cooling heat exchanger after being cooled is connected with the soft water outlet pipe of described surface evaporation aerial cooler, and is connected to the preceding place of water circulating pump of internal circulation system.
Above-mentioned cooling back installation is connected with closed cycle soft water return main by the water return pipeline of each cooler in the condenser cooling water backwater road of refrigeration system condenser in the freezing moisture eliminator, CWR road, oily station, motor CWR road; Described closed cycle soft water return main is connected with the soft water outlet pipe of described surface evaporation aerial cooler through the heat exchanger tube of described surface evaporation aerial cooler; Described soft water outlet pipe communicates with closed cycle soft water water main through soft water closed cycle water pump; Described closed cycle soft water water main is connected with described each cooler respectively and forms the enclosed outer circulation.
The utility model 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 purpose of this utility model is that the interior circulatory mediator 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.
The purpose of this utility model 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 cooling back installation figure of the present utility model.
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
Below in conjunction with accompanying drawing the utility model is described further:
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.
Behind closed circuit system of the present utility model, 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, 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 utility model 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, a kind of cooling back installation comprises cooling tower, and freezing moisture eliminator is characterized in that: described cooling tower adopts surface evaporation aerial cooler (27); The condensed water that the freezing dehumidification cooling heat exchanger (7) of described freezing moisture eliminator condenses enters condensate water collecting box (21) through the condensing water conduit (19) of described freezing moisture eliminator; Described condensate water collecting box (21) links to each other with condensation water filter (22); Described condensation water filter (22) is connected with condensate pump (24) through condensing water conduit (23); Described condensate pump (24) communicates with the additional new waterpipe (26) of described surface evaporation aerial cooler (27) and then communicates with the pond (12) of described surface evaporation aerial cooler (27) through condensate water output channel (25); The cooling medium of described each pipeline is soft water or demineralized water.
2, cooling back installation as claimed in claim 1, it is characterized in that: set up the freezing dehumidification cooling heat exchanger (20) that one group of band replenishes soft water inlet duct (34) in the described freezing moisture eliminator, the soft water condensate make-up piping (35) of described freezing dehumidification cooling heat exchanger (20) after being cooled is connected with the soft water outlet pipe (30) of described surface evaporation aerial cooler (27), and is connected to the preceding place of water circulating pump (31) of internal circulation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010085 CN2861937Y (en) | 2005-10-10 | 2005-10-10 | Circulating cooling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010085 CN2861937Y (en) | 2005-10-10 | 2005-10-10 | Circulating cooling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2861937Y true CN2861937Y (en) | 2007-01-24 |
Family
ID=37659568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520010085 Expired - Lifetime CN2861937Y (en) | 2005-10-10 | 2005-10-10 | Circulating cooling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2861937Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226557A (en) * | 2011-04-29 | 2011-10-26 | 中冶赛迪工程技术股份有限公司 | Waste cold utilization based air-conditioning system capable of independent temperature-humidity control |
| CN106045066A (en) * | 2016-08-04 | 2016-10-26 | 沈阳洪生气体有限公司 | Water softening device for nitrogen compressor cooler |
| CN107289793A (en) * | 2017-05-12 | 2017-10-24 | 广州蓝水环境设备科技有限公司 | Closed internal and external circulation type cooling system |
| CN111850213A (en) * | 2020-06-18 | 2020-10-30 | 中冶华天工程技术有限公司 | Integrated energy-saving blast furnace blast dehumidification system |
-
2005
- 2005-10-10 CN CN 200520010085 patent/CN2861937Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226557A (en) * | 2011-04-29 | 2011-10-26 | 中冶赛迪工程技术股份有限公司 | Waste cold utilization based air-conditioning system capable of independent temperature-humidity control |
| CN102226557B (en) * | 2011-04-29 | 2013-04-17 | 中冶赛迪工程技术股份有限公司 | Waste cold utilization based air-conditioning system capable of realizing independent temperature-humidity control |
| CN106045066A (en) * | 2016-08-04 | 2016-10-26 | 沈阳洪生气体有限公司 | Water softening device for nitrogen compressor cooler |
| CN107289793A (en) * | 2017-05-12 | 2017-10-24 | 广州蓝水环境设备科技有限公司 | Closed internal and external circulation type cooling system |
| CN111850213A (en) * | 2020-06-18 | 2020-10-30 | 中冶华天工程技术有限公司 | Integrated energy-saving blast furnace blast dehumidification system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070124 |
|
| EXPY | Termination of patent right or utility model |