CN204301389U - In conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system - Google Patents
In conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system Download PDFInfo
- Publication number
- CN204301389U CN204301389U CN201420542186.9U CN201420542186U CN204301389U CN 204301389 U CN204301389 U CN 204301389U CN 201420542186 U CN201420542186 U CN 201420542186U CN 204301389 U CN204301389 U CN 204301389U
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- Prior art keywords
- water
- pipe
- cooling
- air
- heat exchanger
- 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.)
- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 112
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 198
- 238000005057 refrigeration Methods 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 19
- 230000000875 corresponding Effects 0.000 claims description 12
- 238000004378 air conditioning Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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[C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
In conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system disclosed in the utility model, include the enclosed evaporative cooling handpiece Water Chilling Units, mechanical refrigeration system and the cooling stack that are connected by pipe network.The utility model, in conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system, can reduce evaporative water loss, also can reduce system back pressure, improves steam turbine power generation efficiency, reduces gross coal consumption rate.
Description
Technical field
The utility model belongs to the equipment technical field that cools, and is specifically related to one in conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system.
Background technology
The cooling tower in thermal power plant, due to the operation principle of himself, can cause a large amount of water to be evaporated, and the percentage accounting for the global cycle water yield according to the evaporation loss rate of cooling tower Theoretical Design calculates, and internal circulating load can evaporate by three day time.As can be seen here, the loss of cooling tower water evaporation is very large.
At present, the method of modal minimizing evaporative water loss arranges water collection device in cooling tower inside, but the water of drop can only be regained by the method, and the saturated vapor in tower also can be discharged along with the rotation of blower fan, the damage by water of this part consumption also account for most of cooling tower water consumption.The another kind of method reducing cooling tower evaporative water loss, employing be make condensing agent with water in cooling tower, make water vapour be condensed into water, thus reduce the water evaporation loss of cooling tower, to realize cooling tower water saving, reduce the object of water consumption.The requirement of this method is that water vapour will could be condensed into water lower than the wet-bulb temperature of Output air of water cooling tower by water temperature.Existing enterprise uses high-efficiency atomizer at present, and this device can play the effect of cooling of giving a dinner of welcome, and water evaporation loss can be made to reduce about 60%.
For the foregoing reasons, the handpiece Water Chilling Units of evaporative cooling handpiece Water Chilling Units being combined formation with mechanical refrigeration is applied in the cooling tower water saving measures of power plant, combining with mechanical refrigeration the cold water made through evaporative cooling is sprayed onto in tower by atomizer, and water recovery Cheng Shuihou falls in collecting-tank together; The handpiece Water Chilling Units of combining with mechanical refrigeration due to evaporative cooling can produce out the cold water of about 18 DEG C, lower than the wet-bulb temperature of air, so just meets the condition of water vapour condensation, thus reduces system back pressure, improves steam turbine power generation efficiency, reduces gross coal consumption rate.
Utility model content
The purpose of this utility model is to provide one in conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system, not only can the problem of effectively solution cooling tower evaporative water loss, can also reduce the temperature of cooling tower inside.
The technical scheme that the utility model adopts is, in conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system, includes the enclosed evaporative cooling handpiece Water Chilling Units, mechanical refrigeration system and the cooling stack that are connected by pipe network.
Feature of the present utility model is also:
Enclosed evaporative cooling handpiece Water Chilling Units wherein, includes machine unit shell, the two side that machine unit shell is relative is respectively arranged with First air air inlet a, First air air inlet b; In machine unit shell, the left and right sides is symmetrically arranged with the first tube type indirect evaporative cooler, the second tube type indirect evaporative cooler, is provided with direct evaporative cooler between the first tube type indirect evaporative cooler and the second tube type indirect evaporative cooler; Water fender c and blower fan c is disposed with above first tube type indirect evaporative cooler; The top of the second tube type indirect evaporative cooler is disposed with water fender a and blower fan a; The top of direct evaporative cooler is disposed with water fender b and blower fan b; The machine unit shell roof that blower fan c, blower fan b and blower fan a are corresponding is provided with exhaust outlet.
The first tube type indirect evaporative cooler wherein, includes pipe heat exchanger a, and the top of pipe heat exchanger a is provided with the first spray equipment, and the below of pipe heat exchanger a is provided with water tank a, and water tank a is communicated with the first spray equipment by the first feed pipe; First feed pipe is provided with the first water circulating pump; Form the first air channel between pipe heat exchanger a and water tank a, the machine unit shell sidewall that the first air channel is corresponding is provided with Secondary Air air inlet a; Pipe heat exchanger a is made up of many horizontally disposed heat exchanger tubes.
The second tube type indirect evaporative cooler wherein, includes pipe heat exchanger b, and the top of pipe heat exchanger b is provided with the second spray equipment, and the below of pipe heat exchanger b is provided with water tank c, and water tank c is communicated with the second spray equipment by the second feed pipe; Second feed pipe is provided with the second water circulating pump; Form the second air channel between pipe heat exchanger b and water tank c, the machine unit shell sidewall that the second air channel is corresponding is provided with Secondary Air air inlet b; Pipe heat exchanger b is made up of many horizontally disposed heat exchanger tubes.
Direct evaporative cooler wherein, includes V-type filler, and the top of V-type filler is disposed with cooling coil and the 3rd spray equipment; The below of V-type filler is provided with water tank b, and water tank b is communicated with the 3rd spray equipment by the 3rd feed pipe, the 3rd feed pipe is provided with the 3rd water circulating pump; The 3rd air channel is formed between V-type filler and water tank b.
The water inlet of cooling coil is connected with the delivery port of air conditioning terminal by the first water pipe, and the delivery port of cooling coil is connected with the water inlet of air conditioning terminal by the second water pipe; Second water pipe is also connected with mechanical refrigeration system, cooling stack respectively; Second water pipe is provided with valve a.
Mechanical refrigeration system wherein, includes compressor, and compressor connects and composes closed-loop path with evaporimeter, choke valve and condenser successively, and evaporimeter is connected with the second water pipe by the 3rd water pipe.
3rd water pipe is provided with valve b.
Cooling stack, includes tower body, and the roof of tower body is provided with wind exhausting outlet; Be provided with filler in tower body, the top of filler is disposed with water-distributing device, water collection device and multiple atomizer, and multiple atomizer is connected with the second water pipe by the 4th water pipe; The below of filler is provided with collecting-tank, and collecting-tank is connected with cold water outlet pipe, forms air flow channel between filler and collecting-tank, and the tower body sidewall that air flow channel is corresponding is provided with air intake.
Water-distributing device is made up of hot water inlet pipe and the multiple nozzles be arranged on hot water inlet pipe, and multiple nozzle is in evenly arranging; 4th water pipe is provided with water pump.
The beneficial effects of the utility model are:
1. the handpiece Water Chilling Units that evaporative cooling is combined with mechanical refrigeration is applied in the water saving measures of cooling tower by power generating plant cooling tower water-saving system of the present utility model, can fall back to after the condensation of water vapour water vapour together in collecting-tank on the one hand, reduce the evaporative water loss of cooling tower; Also can reduce cooling column water temperature on the other hand, steam turbine vacuum degree is improved, reduce back pressure, improve the thermal efficiency, save gross coal consumption rate.
2. in power generating plant cooling tower water-saving system of the present utility model, transpiration-cooled handpiece Water Chilling Units leaving water temperature is between the wet-bulb temperature and dew-point temperature of air, and the leaving water temperature of mechanical refrigeration handpiece Water Chilling Units can reach about 7 DEG C, the two is after certain proportion mixing, water temperature can reach below Output air of water cooling tower dew-point temperature, so just reaches the condition of water vapour condensation.
3., in power generating plant cooling tower water-saving system of the present utility model, evaporative cooling and mechanically refrigerated cold water outlet pipe are provided with valve separately, can according to the cooling effectiveness in cooling tower, the flow-rate ratio of both adjustments, thus regulate shower water temperature.
4., in power generating plant cooling tower water-saving system of the present utility model, a cold water part for generation enters into cooling tower top and sprays; Another part cold water enters in the air conditioning terminal of power plant office, after heat exchange, enters in heat exchange coil, circulates.
5., in power generating plant cooling tower water-saving system of the present utility model, cooling tower adopts hyperbola natural draft cooling tower, does not adopt blower fan, decreases investment.
Accompanying drawing explanation
Fig. 1 is the utility model in conjunction with the structural representation of evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system.
In figure, 1. water tank a, 2. pipe heat exchanger a, 3. water tank b, 4.V type filler, 5. water tank c, 6. pipe heat exchanger b, 7. water fender a, 8. blower fan a, 9. cooling coil, 10. blower fan b, 11. water fender b, 12. blower fan c, 13. water fender c, 14. compressors, 15. evaporimeters, 16. choke valves, 17. condensers, 18. valve a, 19. valve b, 20. atomizers, 21. cooling stacks, 22. collecting-tanks, 23. air conditioning terminals, 24. first feed pipes, 25. first water circulating pumps, 26. Secondary Air air inlet a, 27. second feed pipes, 28. second water circulating pumps, 29. Secondary Air air inlet b, 30. the 3rd feed pipes, 31. the 3rd water circulating pumps, 32. fillers, 33. hot water inlet pipes, 34. cold water outlet pipes, 35. water collection devices, 36. First air air inlet a, 37. First air air inlet b, G1. the first water pipe, G2. the second water pipe, G3. the 3rd water pipe, G4. the 4th water pipe.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model is in conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system, and its structure as shown in Figure 1, includes the enclosed evaporative cooling handpiece Water Chilling Units, mechanical refrigeration system and the cooling stack 21 that are connected by pipe network.
Enclosed evaporative cooling handpiece Water Chilling Units, as shown in Figure 1, includes machine unit shell, the two side that machine unit shell is relative is respectively arranged with First air air inlet a36, First air air inlet b37; In machine unit shell, the left and right sides is symmetrically arranged with the first identical tube type indirect evaporative cooler of structure, the second tube type indirect evaporative cooler, is provided with direct evaporative cooler between the first tube type indirect evaporative cooler and the second tube type indirect evaporative cooler; Water fender c13 and blower fan c12 is disposed with above first tube type indirect evaporative cooler, the top of the second tube type indirect evaporative cooler is disposed with water fender a7 and blower fan a8, the top of direct evaporative cooler is disposed with water fender b11 and blower fan b10, and the machine unit shell roof that blower fan c12, blower fan b10 and blower fan a8 are corresponding is provided with exhaust outlet.
First tube type indirect evaporative cooler, as shown in Figure 1, include pipe heat exchanger a2, pipe heat exchanger a2 is made up of many horizontally disposed heat exchanger tubes, the top of pipe heat exchanger a2 is provided with the first spray equipment, the below of pipe heat exchanger a2 is provided with water tank a1, and water tank a1 is communicated with the first spray equipment by the first feed pipe 24; First feed pipe 24 is provided with the first water circulating pump 25.Form the first air channel between pipe heat exchanger a2 and water tank a1, the machine unit shell sidewall that the first air channel is corresponding is provided with Secondary Air air inlet a26.
Second tube type indirect evaporative cooler, as shown in Figure 1, include pipe heat exchanger b6, the top of pipe heat exchanger b6 is provided with the second spray equipment, the below of pipe heat exchanger b6 is provided with water tank c5, and water tank c5 is communicated with the second spray equipment by the second feed pipe 27; Second feed pipe 27 is provided with the second water circulating pump 28.Form the second air channel between pipe heat exchanger b6 and water tank c5, the machine unit shell sidewall that the second air channel is corresponding is provided with Secondary Air air inlet b29.
Pipe heat exchanger a2, pipe heat exchanger b6 are made up of many horizontally disposed heat exchanger tubes.
Direct evaporative cooler, include V-type filler 4, the top of V-type filler 4 is disposed with cooling coil 9 and the 3rd spray equipment, the below of V-type filler 4 is provided with water tank b3, water tank b3 is communicated with the 3rd spray equipment by the 3rd feed pipe 30,3rd feed pipe 30 is provided with the 3rd water circulating pump the 31, three water circulating pump 31 and is positioned at water tank b3.The 3rd air channel is formed between V-type filler 4 and water tank b3.
The water inlet of cooling coil 9 is connected with the delivery port of air conditioning terminal 23 by the first water pipe G1, and the delivery port of cooling coil 9 is connected with the water inlet of air conditioning terminal 23 by the second water pipe G2; Second water pipe G2 is also connected with mechanical refrigeration system, cooling stack 21 respectively; Second water pipe G2 is provided with valve a18.
Mechanical refrigeration system, includes compressor 14, and compressor 14 connects and composes closed-loop path with evaporimeter 15, choke valve 16 and condenser 17 successively by copper pipe, and evaporimeter 15 is connected with the second water pipe G2 by the 3rd water pipe G3; 3rd water pipe G3 is provided with valve b19.
Cooling stack 21, include tower body, the roof of tower body is provided with wind exhausting outlet, filler 32 is provided with in tower body, the top of filler 32 is disposed with water-distributing device, water collection device 35 and multiple atomizer 20, water-distributing device is made up of hot water inlet pipe 33 and the multiple nozzles be arranged on hot water inlet pipe 33, and multiple nozzle is in evenly arranging; Multiple atomizer 20 is connected with the second water pipe by the 4th water pipe G4, and the 4th water pipe G4 is provided with water pump; The below of filler 32 is provided with collecting-tank 22, and collecting-tank 22 is connected with cold water outlet pipe 34, forms air flow channel between filler 32 and collecting-tank 22, and the tower body sidewall that air flow channel is corresponding is provided with air intake.
The utility model is in conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system, second water pipe G2 is provided with valve a18,3rd water pipe G3 is provided with valve b19, the flow-rate ratio of the two can be regulated according to the cooling effectiveness of cooling stack 21.If when the efficiency of cooling stack 21 is lower, the wet and dry bulb temperature of wind exhausting outlet air is higher, so just can regulate the valve b19 of mechanical refrigeration system cooling water outlet, its water yield is reduced, such injection water temperature just can reach the condensation temperature of water vapour in cooling tower.
In cooling stack, air enters in tower body from air intake. through air flow channel through filler, flow into rightabout with hot water and flow through filler, reclaimed the water droplet in air by water collection device 35 after. the cold air outside tower body enters in tower body, evaporate with contact dispersed heat after, temperature increases, and humidity becomes large, and density diminishes.Therefore, the air of water collection device more than 35 is often saturated or close to saturation state, the air themperature outside tower body is low, humidity is little, density is large.Due to the inside and outside atmospheric density difference of tower body, inside and outside air intake, produce pressure reduction, cause tower body outer air to flow in tower body continuously, and provide power without the need to ventilating machinary, decrease investment and energy waste.In addition, cooling stack 21 top is provided with multiple atomizer 20, tiny particle and water smoke can be made to combine fixing, then drop into together in collecting-tank 22.
The utility model is in conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system, and be applied in the water saving measures of power plant cooling tower by the handpiece Water Chilling Units that evaporative cooling is combined with mechanical refrigeration, its course of work is as follows:
1. wind system:
Outdoor air is respectively through after the first tube type indirect evaporative cooler and the cooling of the second tube type indirect evaporative cooler, enter into V-type filler 4 place in direct evaporative cooler, after carrying out hot and humid area with the water in water tank b3, enter into cooling coil 9, the water together with shower water in cooling coil 9; Then, after water fender b11, outdoor is discharged to by blower fan b10.
2. water system:
Cold-producing medium enters into become the gas of HTHP after compressor 14 compresses after in condenser 17 and carries out heat exchange cooling with extraneous air, become the liquid of cryogenic high pressure, the liquid of low-temp low-pressure is become again after choke valve 16, liquid enters in evaporimeter 15, heat exchange is carried out with the water in cooling coil 9, water temperature is reduced, after the cold water produced and the high temperature cold water of evaporative cooling handpiece Water Chilling Units output are converged, the flow-rate ratio of the two is regulated, to reach the cold water temperature of needs by control valve a18 and valve b19; The cold water part produced enters in cooling stack 21, will drop in collecting-tank 22 after water vapour condensation together, returns in cooling coil 9, circulate and so forth in the air conditioning terminal 23 that another part enters into office of power plant after heat exchange.
The utility model is in conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system, the handpiece Water Chilling Units that evaporative cooling is combined with mechanical refrigeration is applied in the water saving measures of cooling tower, can will fall back in collecting-tank 22 after water vapour condensation together on the one hand, reduce the evaporative water loss of cooling stack 21; Also can reduce the temperature of cooling stack 21 on the other hand, steam turbine vacuum degree is improved, reduce back pressure, improve the thermal efficiency, save gross coal consumption rate.
Claims (6)
1. in conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system, it is characterized in that, include the enclosed evaporative cooling handpiece Water Chilling Units, mechanical refrigeration system and the cooling stack (21) that are connected by pipe network;
Described enclosed evaporative cooling handpiece Water Chilling Units, includes machine unit shell, the two side that described machine unit shell is relative is respectively arranged with First air air inlet a (36), First air air inlet b (37); In described machine unit shell, the left and right sides is symmetrically arranged with the first tube type indirect evaporative cooler, the second tube type indirect evaporative cooler, is provided with direct evaporative cooler between described first tube type indirect evaporative cooler and the second tube type indirect evaporative cooler;
Water fender c (13) and blower fan c (12) is disposed with above described first tube type indirect evaporative cooler; The top of described second tube type indirect evaporative cooler is disposed with water fender a (7) and blower fan a (8); The top of described direct evaporative cooler is disposed with water fender b (11) and blower fan b (10); The machine unit shell roof that described blower fan c (12), blower fan b (10) and blower fan a (8) are corresponding is provided with exhaust outlet;
Described mechanical refrigeration system, include compressor (14), described compressor (14) connects and composes closed-loop path with evaporimeter (15), choke valve (16) and condenser (17) successively, and described evaporimeter (15) is connected with the second water pipe (G2) by the 3rd water pipe (G3); Cooling stack (21), includes tower body, and the roof of described tower body is provided with wind exhausting outlet;
Filler (32) is provided with in described tower body, the top of described filler (32) is disposed with water-distributing device, water collection device (35) and multiple atomizer (20), and multiple atomizer (20) is connected with the second water pipe (G2) by the 4th water pipe (G4); The below of described filler (32) is provided with collecting-tank (22), described collecting-tank (22) is connected with cold water outlet pipe (34), form air flow channel between described filler (32) and collecting-tank (22), the tower body sidewall that described air flow channel is corresponding is provided with air intake; Described water-distributing device is made up of hot water inlet pipe (33) and the multiple nozzles be arranged on hot water inlet pipe (33), and multiple nozzle is in evenly arranging; Described 4th water pipe (G4) is provided with water pump.
2. power generating plant cooling tower water-saving system according to claim 1, it is characterized in that, described first tube type indirect evaporative cooler, include pipe heat exchanger a (2), the top of described pipe heat exchanger a (2) is provided with the first spray equipment, the below of described pipe heat exchanger a (2) is provided with water tank a (1), and described water tank a (1) is communicated with the first spray equipment by the first feed pipe (24);
Described first feed pipe (24) is provided with the first water circulating pump (25);
Form the first air channel between described pipe heat exchanger a (2) and water tank a (1), the machine unit shell sidewall that described first air channel is corresponding is provided with Secondary Air air inlet a (26);
Described pipe heat exchanger a (2) is made up of many horizontally disposed heat exchanger tubes.
3. power generating plant cooling tower water-saving system according to claim 1, it is characterized in that, described second tube type indirect evaporative cooler, include pipe heat exchanger b (6), the top of described pipe heat exchanger b (6) is provided with the second spray equipment, the below of described pipe heat exchanger b (6) is provided with water tank c (5), and described water tank c (5) is communicated with the second spray equipment by the second feed pipe (27);
Described second feed pipe (27) is provided with the second water circulating pump (28);
Form the second air channel between described pipe heat exchanger b (6) and water tank c (5), the machine unit shell sidewall that described second air channel is corresponding is provided with Secondary Air air inlet b (29);
Described pipe heat exchanger b (6) is made up of many horizontally disposed heat exchanger tubes.
4. power generating plant cooling tower water-saving system according to claim 1, it is characterized in that, described direct evaporative cooler, includes V-type filler (4), and the top of described V-type filler (4) is disposed with cooling coil (9) and the 3rd spray equipment; The below of described V-type filler (4) is provided with water tank b (3), described water tank b (3) is communicated with the 3rd spray equipment by the 3rd feed pipe (30), and described 3rd feed pipe (30) is provided with the 3rd water circulating pump (31);
The 3rd air channel is formed between described V-type filler (4) and water tank b (3).
5. power generating plant cooling tower water-saving system according to claim 4, it is characterized in that, the water inlet of described cooling coil (9) is connected with the delivery port of air conditioning terminal (23) by the first water pipe (G1), and the delivery port of described cooling coil (9) is connected with the water inlet of air conditioning terminal (23) by the second water pipe (G2);
Described second water pipe (G2) is also connected with mechanical refrigeration system, cooling stack (21) respectively; Described second water pipe (G2) is provided with valve a (18).
6. power generating plant cooling tower water-saving system according to claim 1, is characterized in that, described 3rd water pipe (G3) is provided with valve b (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542186.9U CN204301389U (en) | 2014-09-19 | 2014-09-19 | In conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542186.9U CN204301389U (en) | 2014-09-19 | 2014-09-19 | In conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system |
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| Publication Number | Publication Date |
|---|---|
| CN204301389U true CN204301389U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420542186.9U Expired - Fee Related CN204301389U (en) | 2014-09-19 | 2014-09-19 | In conjunction with evaporative cooling and mechanically refrigerated power generating plant cooling tower water-saving system |
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| CN (1) | CN204301389U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928106A (en) * | 2016-04-29 | 2016-09-07 | 西安工程大学 | Capillary tube closed type evaporative cooling water chilling unit |
| CN106091728A (en) * | 2016-06-03 | 2016-11-09 | 西安工程大学 | The step cooling down water with composite construction prepares cooling tower |
| CN107044695A (en) * | 2017-04-01 | 2017-08-15 | 西安工程大学 | Staggered form dew point evaporation cooling high-temperature handpiece Water Chilling Units |
| CN107883486A (en) * | 2017-10-09 | 2018-04-06 | 西安工程大学 | The indirect direct evaporating-cooling handpiece Water Chilling Units of band-tube type for drying hot area |
| CN109751689A (en) * | 2018-12-25 | 2019-05-14 | 西安工程大学 | Integral type two-stage indirect evaporating-cooling water cooler |
| CN109751688A (en) * | 2018-12-25 | 2019-05-14 | 西安工程大学 | A kind of lying pipe olive cast directly-indirect evaporating-cooling water cooler |
| CN109855219A (en) * | 2019-02-25 | 2019-06-07 | 昆山台佳机电有限公司 | Integral type based on mechanical refrigeration evaporates cooling-condensation water cooler |
| CN109855218A (en) * | 2019-02-25 | 2019-06-07 | 昆山台佳机电有限公司 | Integrated enclosed evaporates cooling-condensation water cooler |
| CN110762909A (en) * | 2019-10-23 | 2020-02-07 | 西安工程大学 | Evaporation type condenser based on dew point indirect evaporation cooling precooling |
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- 2014-09-19 CN CN201420542186.9U patent/CN204301389U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928106A (en) * | 2016-04-29 | 2016-09-07 | 西安工程大学 | Capillary tube closed type evaporative cooling water chilling unit |
| CN105928106B (en) * | 2016-04-29 | 2018-09-07 | 西安工程大学 | The cooling handpiece Water Chilling Units of capillary type enclosed evaporation |
| CN106091728A (en) * | 2016-06-03 | 2016-11-09 | 西安工程大学 | The step cooling down water with composite construction prepares cooling tower |
| CN106091728B (en) * | 2016-06-03 | 2018-05-15 | 西安工程大学 | Step cooling down water with composite construction prepares cooling tower |
| CN107044695A (en) * | 2017-04-01 | 2017-08-15 | 西安工程大学 | Staggered form dew point evaporation cooling high-temperature handpiece Water Chilling Units |
| CN107883486A (en) * | 2017-10-09 | 2018-04-06 | 西安工程大学 | The indirect direct evaporating-cooling handpiece Water Chilling Units of band-tube type for drying hot area |
| CN109751689A (en) * | 2018-12-25 | 2019-05-14 | 西安工程大学 | Integral type two-stage indirect evaporating-cooling water cooler |
| CN109751688A (en) * | 2018-12-25 | 2019-05-14 | 西安工程大学 | A kind of lying pipe olive cast directly-indirect evaporating-cooling water cooler |
| CN109751689B (en) * | 2018-12-25 | 2021-05-04 | 西安工程大学 | Integrated two-stage indirect evaporative cooling water chilling unit |
| CN109855219A (en) * | 2019-02-25 | 2019-06-07 | 昆山台佳机电有限公司 | Integral type based on mechanical refrigeration evaporates cooling-condensation water cooler |
| CN109855218A (en) * | 2019-02-25 | 2019-06-07 | 昆山台佳机电有限公司 | Integrated enclosed evaporates cooling-condensation water cooler |
| CN110762909A (en) * | 2019-10-23 | 2020-02-07 | 西安工程大学 | Evaporation type condenser based on dew point indirect evaporation cooling precooling |
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