CN204301556U - A kind of nested type double tower body double flash evaporation cooling tower - Google Patents

A kind of nested type double tower body double flash evaporation cooling tower Download PDF

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Publication number
CN204301556U
CN204301556U CN201420698327.6U CN201420698327U CN204301556U CN 204301556 U CN204301556 U CN 204301556U CN 201420698327 U CN201420698327 U CN 201420698327U CN 204301556 U CN204301556 U CN 204301556U
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China
Prior art keywords
double
cooling tower
tower
water
air
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Expired - Fee Related
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CN201420698327.6U
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Chinese (zh)
Inventor
黄翔
王兴兴
宋祥龙
邱佳
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Xian Polytechnic University
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Xian Polytechnic University
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Priority to CN201420698327.6U priority Critical patent/CN204301556U/en
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Abstract

A kind of nested type double tower body double flash evaporation cooling tower disclosed in the utility model, include double-level evaporation-type cooling tower, double-level evaporation-type cooling tower is connected with surface condenser respectively by feed pipe, outlet pipe, and surface condenser connects and composes closed-loop path with steam turbine, boiler, high-pressure heater, feed pump a, oxygen-eliminating device, low-pressure heater, condensate booster pump, precision processing device of condensation water and condensate pump successively by pipeline.The utility model double flash evaporation cooling tower has the advantages that water consumption is few, power consumption is low and refrigerating efficiency is high.

Description

A kind of nested type double tower body double flash evaporation cooling tower
Technical field
The utility model belongs to operation of air conditioning systems technical field, is specifically related to a kind of nested type double tower body double flash evaporation cooling tower.
Background technology
China's power plant exhaust steam is condensate in and adopts air-cooled and water-cooled two kinds of forms traditionally.Air-cooled condensation temperature is high, big energy-consuming and cooling effectiveness is low; Greatly, cooling system floor space is large, and water consumption is many for Water-cooling circulating water pump and blower fan power consumption.
Along with the energy-conservation main task becoming society, especially in the Northwest that China's water resource lacks, there is wretched insufficiency part in air-cooled and application that is water-cooled, so cooling tower technology is required in power industry, but existing cooling tower has, and water consumption is many, power consumption is large and inefficient problem.
Utility model content
The purpose of this utility model is to provide a kind of nested type double tower body double flash evaporation cooling tower, has the advantages that water consumption is few, power consumption is low and refrigerating efficiency is high.
The technical scheme that the utility model adopts is, a kind of nested type double tower body double flash evaporation cooling tower, include double-level evaporation-type cooling tower, double-level evaporation-type cooling tower is connected with surface condenser, and surface condenser connects and composes closed-loop path with steam turbine, boiler, high-pressure heater, feed pump a, oxygen-eliminating device, low-pressure heater, condensate booster pump, precision processing device of condensation water and condensate pump successively by pipeline.
Feature of the present utility model is also:
Steam turbine is connected with generator.
Double-level evaporation-type cooling tower, include cooling column body, interior cooling tower is provided with in cooling column body, the lower peripheral of interior cooling tower has multiple standpipe type indirect evaporation cooler around interior cooling tower arranged outside, on the cooling column body sidewall that each standpipe type indirect evaporation cooler is close, correspondence is provided with a First air air inlet, each First air air inlet bottom is provided with a Secondary Air air inlet, and cooling column body top is provided with exhaust outlet.
Interior cooling tower is direct-evaporation-type cooler.
Direct-evaporation-type cooler includes filler, the top of filler is disposed with water-locator b and water collection device, water-locator b is made up of the first shower and the nozzle that is evenly arranged at multiple downward spray on the first shower, and the first shower is connected with surface condenser by feed pipe; The below of filler is provided with storage tank, and storage tank is connected with surface condenser by outlet pipe; The first air channel is formed between filler and storage tank.
Outlet pipe is provided with water circulating pump b.
The cross section of filler is circular.
Auxiliary air exhausting duct is formed between cooling column body sidewall and interior cooling tower sidewall, between the top of standpipe type indirect evaporation cooler and exhaust outlet.
Standpipe type indirect evaporation cooler, include heat-exchanger rig, air cleaner is provided with between heat-exchanger rig and corresponding First air air inlet, the top of heat-exchanger rig is provided with water-locator a, and water-locator a is made up of the second shower and the shower nozzle that is evenly arranged at multiple downward spray on the second shower; The below of heat-exchanger rig is provided with cyclic water tank, and cyclic water tank is connected with the second shower by water pipe; The second air channel is formed between heat-exchanger rig and cyclic water tank; Second air channel is corresponding with Secondary Air air inlet to be arranged.
Air cleaner is low efficient filter; Heat-exchanger rig is made up of the heat exchanger tube that many are vertically arranged; Water pipe is provided with water circulating pump a.
The beneficial effects of the utility model are:
1) double flash evaporation cooling tower of the present utility model adopts the form of indirect evaporating-cooling and direct evaporating-cooling compound, make the primary air temperature drop through cooling larger, and then the hot water temperature drop of Water distributor for cooling tower ejection in increasing, save recirculated water consumption, save the construction area of cooling tower.
2) in double flash evaporation cooling tower of the present utility model, indirect evaporation cooler adopts vertical pipe type, decreases horizontal direction size, and save cooling tower floor space, meanwhile, recirculated water is walked in pipe, and souring prevents blocking in pipe, increases the service life.
3) the double flash evaporation cooling tower of the present utility model gravity-flow ventilation that utilizes double-curve cooling column to be formed, eliminates the secondary exhausting machine of standpipe type indirect evaporation cooler, saves initial cost and operating cost.
4) double flash evaporation cooling tower of the present utility model, secondary exhausting temperature is lower than ambient temperature, and secondary exhausting road has completely cut off the heat transfer of the external world with interior cooling tower, and then the cold decreased in tower Inner eycle water cooling process dissipates.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model double flash evaporation cooling tower;
Fig. 2 is the sectional view of A-A in Fig. 1.
In figure, 1. air cleaner, 2. heat-exchanger rig, 3. water-locator a, 4. auxiliary air exhausting duct, 5. cooling tower in, 6. water collection device, 7. filler, 8. water-locator b, 9. generator, 10. steam turbine, 11. boilers, 12. high-pressure heaters, 13. feed pump a, 14. oxygen-eliminating devices, 15. low-pressure heaters, 16. condensate booster pumps, 17. precision processing device of condensation waters, 18. condensate pumps, 19. surface condensers, 20. storage tanks, 21. water circulating pump a, 22. water circulating pump b, 23. cyclic water tanks, 24. feed pipes, 25. outlet pipes, 26. exhaust outlets, 27. first air channels, 28. second air channels, 29. Secondary Air air inlets.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model double flash evaporation cooling tower, its structure as shown in Figure 1, include double-level evaporation-type cooling tower, double-level evaporation-type cooling tower is connected with surface condenser 19, and surface condenser 19 connects and composes closed-loop path with steam turbine 10, boiler 11, high-pressure heater 12, feed pump a13, oxygen-eliminating device 14, low-pressure heater 15, condensate booster pump 16, precision processing device of condensation water 17 and condensate pump 18 successively by pipeline.
Steam turbine 10 also can connect generator 9.
Double-level evaporation-type cooling tower, its structure as shown in Figure 1, include cooling column body, central authorities in cooling column body are provided with interior cooling tower 5, the lower peripheral of interior cooling tower 5 has multiple standpipe type indirect evaporation cooler around interior cooling tower 5 arranged outside, the cooling column body sidewall that each standpipe type indirect evaporation cooler is corresponding is provided with a First air air inlet, and each First air air inlet bottom is provided with a Secondary Air air inlet 29, and cooling column body top is provided with exhaust outlet 26.
Interior cooling tower 5 is direct-evaporation-type cooler.
Direct-evaporation-type cooler, its structure as shown in Figure 1, include filler 7, the top of filler 7 is disposed with water-locator b8 and water collection device 6, water-locator b8 is made up of the first shower and the nozzle that is evenly arranged at multiple downward spray on the first shower, and the first shower is connected with surface condenser 19 by feed pipe 24; The below of filler 7 is provided with storage tank 20, and form the first air channel 27 between filler 7 and storage tank 20, storage tank 20 is connected with surface condenser 19 by outlet pipe 25, outlet pipe 25 is provided with water circulating pump b22.
As shown in Figure 2, the cross section of filler 7 is circular.
Auxiliary air exhausting duct 4 is formed between cooling column body sidewall and interior cooling tower 5 sidewall, between the top of standpipe type indirect evaporation cooler and exhaust outlet 26.
Standpipe type indirect evaporation cooler, include heat-exchanger rig 2, air cleaner 1 is provided with between heat-exchanger rig 2 and corresponding First air air inlet, the top of heat-exchanger rig 2 is provided with water-locator a3, and water-locator a3 is made up of the second shower and the shower nozzle that is evenly arranged at multiple downward spray on the second shower; The below of heat-exchanger rig 2 is provided with cyclic water tank 23, and cyclic water tank 23 is connected with the second shower by water pipe, water pipe is provided with water circulating pump a21.
The second air channel 28 is formed between heat-exchanger rig 2 and cyclic water tank 23; Second air channel 28 is corresponding with Secondary Air air inlet 29 to be arranged.
Heat-exchanger rig 2 is made up of the heat exchanger tube that many are vertically arranged.
The effect that the utility model standpipe adds each parts in direct double-level evaporation-type cooling tower is indirectly as follows:
Air cleaner 1 can select low efficient filter, filters air, reduces water pollution.
Standpipe indirect evaporation cooler, to wet coolings such as primary air carry out, reduces the wet-bulb temperature of primary air.
Cooling tower 5 in the hot water supply utilizing boiler 11 to produce, hot water sprays from the nozzle of water-locator b8, and filler 7 forms film, makes primary air countercurrent flow abundant.
By vertical pipe type indirect evaporation but with direct evaporating-cooling associating, reach water saving, energy-conservation, enhancing cooling effectiveness object.
The high-pressure heater 12 be connected with boiler 11, feed pump a13, oxygen-eliminating device 14, low-pressure heater 15, condensate booster pump 16, precision processing device of condensation water 17 and condensate pump 18 are all the water quality transferred out to process boiler 11, are convenient to directly spray from shower nozzle.
The course of work of the utility model double flash evaporation cooling tower:
Wind system workflow is:
1) primary air system:
Primary air is after First air air inlet enters, standpipe type indirect evaporation cooler is entered after being filtered by air cleaner 1, heat exchanger tube in heat-exchanger rig 2 cools outward, interior cooling tower 5 is entered etc. the air after wet cooling, overboard counter current contacting generation hot and humid area first and on the downside of filler 7, directly contact cooling with the circulation moisture film on filler 7 surface subsequently, drained into outside cooling column body through exhaust outlet 26 after collecting water finally by water collection device 6.
2) secondary air system:
Auxiliary air enters standpipe type indirect evaporation cooler by Secondary Air air inlet 29, flow in heat-exchanger rig 2 through the second air channel 28, the circulation moisture film direct contact heat transfer attached with heat exchanger tube inwall, and the primary air indirect heat exchange exchanged outside heat pipe, finally enter auxiliary air exhausting duct 4, under the effect of free convection, have exhaust outlet 26 to drain into outside cooling column body.
Water system workflow is:
1) course of work of standpipe type indirect evaporation cooler recirculated water:
Auxiliary air side recirculated water is delivered in first shower of water-locator a3 by water circulating pump a21, by being arranged at the multiple nozzle trickles on the first shower, enter in the heat-exchanger rig 2 in standpipe type indirect evaporation cooler, drop into cyclic water tank 23 after carrying out hot and humid area with auxiliary air, move in circles.
2) course of work of recirculated water in interior cooling tower 5:
Water-locator b8 is delivered to through excess pressure effect by the hot water of surface condenser 19, by water-locator b8, by the multiple shower nozzles on the second shower, hot water is sprayed onto on filler 7, the reduction of hot and humid area temperature is carried out with primary air, fall under gravity into storage tank 20, last feeding in surface condenser 19 under the effect of water circulating pump b22 carries out heat exchange, moves in circles.
The parts such as air cleaner 1, standpipe indirect evaporation cooler, direct evaporative cooler are organically combined by the utility model double flash evaporation cooling tower.Cooling tower external body adopts hyperbola to arrange, the form of rebuilding is formed in cooling tower tower body, the primary air of internal layer circulation and recirculated water heat exchange, outer circulation auxiliary air, make auxiliary air through heat-exchanger rig in standpipe indirect evaporation cooler after warm and humid process, utilize the method for natural exhaust to discharge, eliminate the use of secondary exhausting machine; In addition, the utility model double flash evaporation cooling tower, structure is simple, increases recirculated water temperature drop, decreases the consumption of water, improve the efficiency of cooling tower and thermal power generation.

Claims (10)

1. a nested type double tower body double flash evaporation cooling tower, it is characterized in that, include double-level evaporation-type cooling tower, described double-level evaporation-type cooling tower is connected with surface condenser (19), and described surface condenser (19) connects and composes closed-loop path with steam turbine (10), boiler (11), high-pressure heater (12), feed pump a (13), oxygen-eliminating device (14), low-pressure heater (15), condensate booster pump (16), precision processing device of condensation water (17) and condensate pump (18) successively by pipeline.
2. a kind of nested type double tower body double flash evaporation cooling tower according to claim 1, it is characterized in that, described steam turbine (10) is connected with generator (9).
3. a kind of nested type double tower body double flash evaporation cooling tower according to claim 1 and 2, it is characterized in that, described double-level evaporation-type cooling tower, include cooling column body, interior cooling tower (5) is provided with in described cooling column body, the lower peripheral of described interior cooling tower (5) has multiple standpipe type indirect evaporation cooler around interior cooling tower (5) arranged outside, on the cooling column body sidewall that each standpipe type indirect evaporation cooler is close, correspondence is provided with a First air air inlet, each First air air inlet bottom is provided with a Secondary Air air inlet (29), described cooling column body top is provided with exhaust outlet (26).
4. a kind of nested type double tower body double flash evaporation cooling tower according to claim 3, it is characterized in that, described interior cooling tower (5) is direct-evaporation-type cooler.
5. a kind of nested type double tower body double flash evaporation cooling tower according to claim 4, it is characterized in that, described direct-evaporation-type cooler includes filler (7), the top of described filler (7) is disposed with water-locator b (8) and water collection device (6), described water-locator b (8) is made up of the first shower and the nozzle that is evenly arranged at multiple downward spray on the first shower, and described first shower is connected with surface condenser (19) by feed pipe (24);
The below of described filler (7) is provided with storage tank (20), and described storage tank (20) is connected with surface condenser (19) by outlet pipe (25);
The first air channel (27) is formed between described filler (7) and storage tank (20).
6. a kind of nested type double tower body double flash evaporation cooling tower according to claim 5, is characterized in that, described outlet pipe (25) is provided with water circulating pump b (22).
7. a kind of nested type double tower body double flash evaporation cooling tower according to claim 5, is characterized in that, the cross section of described filler (7) is circular.
8. a kind of nested type double tower body double flash evaporation cooling tower according to claim 5, it is characterized in that, between described cooling column body sidewall and interior cooling tower (5) sidewall, between the top of standpipe type indirect evaporation cooler and exhaust outlet (26), form auxiliary air exhausting duct (4).
9. a kind of nested type double tower body double flash evaporation cooling tower according to claim 5 or 8, it is characterized in that, described standpipe type indirect evaporation cooler, include heat-exchanger rig (2), air cleaner (1) is provided with between described heat-exchanger rig (2) and corresponding First air air inlet, the top of described heat-exchanger rig (2) is provided with water-locator a (3), and described water-locator a (3) is made up of the second shower and the shower nozzle that is evenly arranged at multiple downward spray on the second shower; The below of described heat-exchanger rig (2) is provided with cyclic water tank (23), and described cyclic water tank (23) is connected with the second shower by water pipe;
The second air channel (28) is formed between described heat-exchanger rig (2) and cyclic water tank (23); Described second air channel (28) is corresponding with Secondary Air air inlet (29) to be arranged.
10. a kind of nested type double tower body double flash evaporation cooling tower according to claim 9, it is characterized in that, described air cleaner (1) is low efficient filter;
Described heat-exchanger rig (2) is made up of the heat exchanger tube that many are vertically arranged; Described water pipe is provided with water circulating pump a (21).
CN201420698327.6U 2014-11-19 2014-11-19 A kind of nested type double tower body double flash evaporation cooling tower Expired - Fee Related CN204301556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420698327.6U CN204301556U (en) 2014-11-19 2014-11-19 A kind of nested type double tower body double flash evaporation cooling tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420698327.6U CN204301556U (en) 2014-11-19 2014-11-19 A kind of nested type double tower body double flash evaporation cooling tower

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109186274A (en) * 2018-08-06 2019-01-11 湖南大学 A kind of two-stage evaporative cooling tower and its water-cooling method
CN110094991A (en) * 2019-04-12 2019-08-06 浙江杰锎科技有限公司 A kind of cooling tower
CN111271987A (en) * 2018-12-05 2020-06-12 国家电投集团远达环保工程有限公司重庆科技分公司 Wet cooling tower

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109186274A (en) * 2018-08-06 2019-01-11 湖南大学 A kind of two-stage evaporative cooling tower and its water-cooling method
CN111271987A (en) * 2018-12-05 2020-06-12 国家电投集团远达环保工程有限公司重庆科技分公司 Wet cooling tower
CN110094991A (en) * 2019-04-12 2019-08-06 浙江杰锎科技有限公司 A kind of cooling tower

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150429

Termination date: 20161119

CF01 Termination of patent right due to non-payment of annual fee