CN204255124U - A kind of evaporative condenser being applicable to power plant - Google Patents

A kind of evaporative condenser being applicable to power plant Download PDF

Info

Publication number
CN204255124U
CN204255124U CN201420622189.3U CN201420622189U CN204255124U CN 204255124 U CN204255124 U CN 204255124U CN 201420622189 U CN201420622189 U CN 201420622189U CN 204255124 U CN204255124 U CN 204255124U
Authority
CN
China
Prior art keywords
filler
cooling unit
condenser
type heat
power plant
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
Application number
CN201420622189.3U
Other languages
Chinese (zh)
Inventor
黄翔
王俊
邱佳
王兴兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Polytechnic University
Original Assignee
Xian Polytechnic University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian Polytechnic University filed Critical Xian Polytechnic University
Priority to CN201420622189.3U priority Critical patent/CN204255124U/en
Application granted granted Critical
Publication of CN204255124U publication Critical patent/CN204255124U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of evaporative condenser being applicable to power plant disclosed in the utility model, comprise condenser shell, the two side that condenser shell is relative is respectively provided with an air inlet, a filler-coil pipe combined type evaporative cooling unit is provided with in condenser shell, a left side for this filler-coil pipe combined type evaporative cooling unit, right both sides are respectively symmetrically arranged with a vertical pipe type indirect evaporating-cooling unit, condenser shell roof corresponding above filler-coil pipe combined type evaporative cooling unit is provided with exhaust outlet a, condenser shell roof corresponding above two vertical pipe type indirect evaporating-cooling unit is respectively provided with an exhaust outlet b.Evaporative condenser of the present utility model, condensation efficiency is high, provides certain affluence amount, make the operational effect of Air-cooled Unit better, bring huge economic benefit to power plant for Electric Factory Air-Cooling system summer high temperature strong wind runs.

Description

A kind of evaporative condenser being applicable to power plant
Technical field
The utility model belongs to exhaust steam condensation technology field, power plant, is specifically related to a kind of evaporative condenser being applicable to power plant.
Background technology
NORTHWEST CHINA area " rich coal lack of water ", therefore a large amount of power plant adopts direct air cooling system to carry out condensation cooling to the exhaust steam of steam turbine.Power plant's direct air cooling system is that the exhaust steam of steam turbine is introduced in the steel radiator of air cooling tubes condenser by pipeline, is directly cooled to condensate water, then recycles by surrounding air.
In the summer high temperature period, air cooling tubes condenser heat transfer temperature difference reduces, and exchange capability of heat declines, and sand and dust, catkin and other pollutants cause condenser surface dirty, and heat exchanging has an impact, and makes unit be forced to load down and runs, cause huge economic loss to power plant.
At present, power plant's employing evaporative condenser is shunted a part of exhaust steam and is carried out condensation, but by the impact of environmental factor, the condensation efficiency of evaporative condenser is limited, if the temperature of the air themperature and shower water that enter vaporation-type condenser can be reduced, then can improve the condensation efficiency of vaporation-type condenser, the Electric Factory Air-Cooling system summer high temperature period be run and plays larger effect.
Utility model content
The purpose of this utility model is to provide a kind of evaporative condenser being applicable to power plant, not only increases the efficiency of evaporative condenser, and improves the heat transfer effect of shunting exhaust steam.
The technical scheme that the utility model adopts is, a kind of evaporative condenser being applicable to power plant, comprise condenser shell, the two side that condenser shell is relative is respectively provided with an air inlet, a filler-coil pipe combined type evaporative cooling unit is provided with in condenser shell, a left side for this filler-coil pipe combined type evaporative cooling unit, right both sides are respectively symmetrically arranged with a vertical pipe type indirect evaporating-cooling unit, condenser shell roof corresponding above filler-coil pipe combined type evaporative cooling unit is provided with exhaust outlet a, condenser shell roof corresponding above two vertical pipe type indirect evaporating-cooling unit is respectively provided with an exhaust outlet b.
Feature of the present utility model is also:
Filler-coil pipe combined type evaporative cooling unit, includes open type filler unit, and open type filler unit is made up of the first filler, the second filler and the 3rd filler that parallel interval is arranged successively from top to bottom, and the 3rd filler is del; The top of the first filler is disposed with spray equipment and water collection device; The top of water collection device is provided with the dry type heat exchange coil of S shape, and the lower end of dry type heat exchange coil is connected with wet type heat exchange coil, and wet type heat exchange coil is S-shaped to be arranged around the first filler, the second filler and the 3rd filler; The below of the 3rd filler is provided with cyclic water tank a, is provided with water pump a in cyclic water tank a, and water pump a is connected with spray equipment by feed pipe a.
Spray equipment is made up of shower and the shower nozzle that is evenly arranged at multiple downward spray on shower, and feed pipe a is connected with shower.
Air channel is formed between 3rd filler and cyclic water tank a.
Vertical pipe type indirect evaporating-cooling unit, includes vertical pipe type heat-exchanger rig, and vertical pipe type heat-exchanger rig is made up of the heat exchanger tube that many vertically be arranged in parallel, and the top of vertical pipe type heat-exchanger rig is disposed with water-locator and water fender; The below of vertical pipe type heat-exchanger rig is provided with cyclic water tank b, is provided with water pump b in cyclic water tank b, and water pump b is connected with water-locator by feed pipe b.
Water-locator is made up of water distributor and the nozzle of multiple downward spray that is evenly arranged on water distributor; Water distributor is connected with feed pipe b.
Air flow channel is formed between vertical pipe type heat-exchanger rig and cyclic water tank b.
Metal cloth filter is provided with between vertical pipe type heat-exchanger rig and the air inlet of homonymy.
Blower fan a is provided with in exhaust outlet a; Blower fan b is provided with in exhaust outlet b.
The beneficial effects of the utility model are:
A. in evaporative condenser of the present utility model, vertical pipe type indirect evaporating-cooling unit, direct evaporating-cooling unit, wet type heat exchange coil unit and dry type heat exchange coil unit are combined, near air inlet, vertical pipe type indirect evaporating-cooling unit is being set, utilize vertical pipe type indirect evaporating-cooling unit to wet coolings such as air carry out, the condensation efficiency of evaporative condenser to exhaust steam in steam turbine can be improved, and coal ash is many around power plant, vertical pipe type indirect evaporating-cooling unit can prevent pipeline obstruction, is particularly suitable for the adverse circumstances of power plant.
B. in evaporative condenser of the present utility model, at tubular indirect evaporative cooling unit rear, direct evaporating-cooling unit is set, air after precooling is at direct evaporating-cooling unit and trickle generation hot and humid area, air equal-enthalpy humidifying is lowered the temperature, after water temperature reduces, spray is at wet type heat exchange coil unit, air wetting cooling and water temperature reduce can strengthen coil heat exchange, improves heat exchange efficiency.
C. in evaporative condenser of the present utility model, in the middle of wet type heat exchange coil unit and dry type heat exchange coil unit, water collection device is set, the air entering dry type heat exchange coil unit is dehumidified, avoid humid air because exhaust steam temperature is high the phenomenon in coil surface fouling, the air after dehumidifying can carry out precooling to exhaust steam.
D. in evaporative condenser of the present utility model, in the middle of the coil pipe of wet type heat exchange coil unit, filler is set, add the contact area of air and water, improve the latent heat of vaporization amount of water, there is hot and humid area with trickle in air simultaneously on filler, air is lowered the temperature together with water, can take away more heats, improves the condensation efficiency of exhaust steam.
E. adopt metal cloth filter in evaporative condenser of the present utility model, metal material can clean repeatedly, and the life-span is long and economical.
F. in evaporative condenser of the present utility model, heat exchange coil adopts the form be in tilted layout, and condensed fluid can be made to discharge in time, reduces condensation thermal resistance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model evaporative condenser.
In figure, 1. metal cloth filter, 2. water fender, 3. blower fan b, 4. vertical pipe type heat-exchanger rig, 5. dry type heat exchange coil, 6. blower fan a, 7. water collection device, 8. the first filler, 9. nozzle, 10. wet type heat exchange coil, 11. the 3rd fillers, 12. water pump a, 13. cyclic water tank a, 14. cyclic water tank b, 15. water pump b, 16. air inlets, 17. exhaust outlet a, 18. exhaust outlet b, 19. feed pipe a, 20. feed pipe b, 21. second fillers, 22. water distributors.
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 applicable to the evaporative condenser of power plant, its structure as shown in Figure 1, comprise condenser shell, the two side that condenser shell is relative is respectively provided with an air inlet 16, a filler-coil pipe combined type evaporative cooling unit is provided with in condenser shell, a left side for this filler-coil pipe combined type evaporative cooling unit, right both sides are respectively symmetrically arranged with a vertical pipe type indirect evaporating-cooling unit, condenser shell roof corresponding above filler-coil pipe combined type evaporative cooling unit is provided with exhaust outlet a17, condenser shell roof corresponding above two vertical pipe type indirect evaporating-cooling unit is respectively provided with an exhaust outlet b18.
Blower fan a6 is provided with in exhaust outlet a17; Blower fan b3 is provided with in exhaust outlet b18.
Filler-coil pipe combined type evaporative cooling unit, as shown in Figure 1, includes open type filler unit, open type filler unit by from top to bottom successively the first filler 8, second filler 21 of arranging of parallel interval and the 3rd filler 11 form, the 3rd filler 11 is in del; The top of the first filler 8 is disposed with spray equipment and water collection device 7, spray equipment is made up of shower and the shower nozzle that is evenly arranged at multiple downward spray on shower, the top of water collection device 7 is provided with the dry type heat exchange coil 5 of S shape, the lower end of dry type heat exchange coil 5 is connected with wet type heat exchange coil 10, and wet type heat exchange coil 10 is S-shaped to be arranged around the first filler 8, second filler 21 and the 3rd filler 11; The below of the 3rd filler 11 is provided with cyclic water tank a13, is provided with water pump a12 in cyclic water tank a13, and water pump a12 is connected with shower by feed pipe a19.
Air channel is formed between 3rd filler 11 and cyclic water tank a13.
Dry type heat exchange coil 5 and all S-shaped tilting of wet type heat exchange coil 10 are arranged.
Vertical pipe type indirect evaporating-cooling unit, includes vertical pipe type heat-exchanger rig 4, and vertical pipe type heat-exchanger rig 4 is made up of the heat exchanger tube that many are vertically arranged; The top of vertical pipe type heat-exchanger rig 4 is provided with water-locator, and water-locator is made up of water distributor 22 and the nozzle 9 of multiple downward spray that is evenly arranged on water distributor; The top of water-locator is provided with water fender 2; The below of vertical pipe type heat-exchanger rig 4 is provided with cyclic water tank b14, is provided with water pump b15 in cyclic water tank b14, and water pump b15 is connected with water distributor 22 by feed pipe b20.
Air flow channel is formed between vertical pipe type heat-exchanger rig 4 and cyclic water tank b14.
Metal cloth filter 1 is provided with between the air inlet 16 of vertical pipe type heat-exchanger rig 4 and homonymy.
The part exhaust steam of steam turbine is branched to evaporative condenser of the present utility model, carries out condensation by this condenser to exhaust steam.Adopt metal cloth filter 1, metal material can clean repeatedly, and the life-span is long and economical; Vertical pipe type indirect evaporating-cooling unit and filler-coil pipe combined type evaporative cooling unit is adopted to carry out cooling process to the air entered in condenser shell, shower water is also lowered the temperature simultaneously, and the temperature drop of air and water can improve the condensation efficiency of evaporative condenser to exhaust steam; Be combined with filler unit by wet type heat exchange coil 10, add the contact area of air and water, there is hot and humid area with trickle in air simultaneously in open type filler unit, and air is lowered the temperature together with water, can take away more heats, improves the condensation efficiency of exhaust steam; Enter dry type heat exchange coil 5 precooling exhaust steam in steam turbine after water collection device 7 pairs of humid air dehumidify, avoid humid air because exhaust steam temperature is high the phenomenon at dry type heat exchange coil 5 surface scale, the air after dehumidifying can carry out precooling to exhaust steam; Dry type heat exchange coil list 5 and wet type heat exchange coil 10 all adopt the form be in tilted layout, condensed fluid can be made to discharge in time, smoothly, improve heat exchange efficiency, reduce condensation thermal resistance, evaporative condenser is increased the condensation efficiency of exhaust steam, there is provided certain affluence amount for Electric Factory Air-Cooling system summer high temperature strong wind runs, make the operational effect of Air-cooled Unit better.
The course of work that the utility model is applicable to the evaporative condenser of power plant is:
1. primary air system:
New wind is after metal cloth filter 1 filters, enter the vertical pipe type heat-exchanger rig 4 in standpipe indirect evaporating-cooling unit, in heat exchanger tube, auxiliary air and water generation hot and humid area take away the heat of the outer primary air of heat exchanger tube, etc. clammy air but at open type filler unit place and water generation hot and humid area, air equal-enthalpy humidifying is lowered the temperature, trickle outside wet type heat exchange coil 10 place's air and wet type heat exchange coil 10 takes away the heat of exhaust steam in wet type heat exchange coil 10 jointly, open type filler unit between wet type heat exchange coil 10 makes intensification air fully contact with trickle, air again equal-enthalpy humidifying cooling takes away the heat of exhaust steam in wet type heat exchange coil 10 together with trickle, dry type heat exchange coil 5 is entered through water collection device 7, air after dehumidifying carries out precooling to exhaust steam in dry type heat exchange coil 5, discharge through exhaust outlet a17 under the effect of blower fan a6.
2. secondary ventilation system:
New wind enters in the vertical pipe type heat-exchanger rig 4 of standpipe indirect evaporating-cooling unit through metal cloth filter 1, and in heat exchanger tube, auxiliary air and trickle generation hot and humid area take away the heat of managing outer primary air, after water fender 2, is discharged through exhaust outlet b18 by blower fan b3.
3. exhaust steam in steam turbine system:
Part exhaust steam in steam turbine enters in dry type heat exchange coil 5 by one end of the dry type heat exchange coil 5 in condenser shell, lower the temperature after First air precooling, part exhaust steam condensation, uncooled exhaust steam continues to enter wet type heat exchange coil 10, air outside wet type heat exchange coil 10 and trickle take away the heat of exhaust steam in wet type heat exchange coil 10 jointly, discharged by wet type heat exchange coil 10 after exhaust steam condensation, enter next power generation cycle.
4. the first circulation:
Recirculated water in cyclic water tank b14 is delivered in the water-locator above vertical pipe type heat-exchanger rig 4 by water pump b15, spray in the heat exchanger tube in vertical pipe type heat-exchanger rig 4 through nozzle 9, in heat exchanger tube, trickle and auxiliary air carry out hot and humid area and take away the heat of managing outer primary air, and the recirculated water after cooling falls into cyclic water tank b14.
5. the second circulation:
Circulating water in cyclic water tank a13 is delivered in the spray equipment above wet type heat exchange coil 10 by water pump a12, the heat of exhaust steam in wet type heat exchange coil 10 is jointly taken away with air, air after heat exchange and trickle carry out hot and humid area at wet type heat exchange coil 10, take away exhaust steam heat in pipe together with air after water temperature drop, air generation hot and humid area after open type filler unit trickle and precooling, water temperature falls into cyclic water tank a13 below after reducing.
The utility model is applicable to the evaporative condenser of power plant, vertical pipe type indirect evaporating-cooling unit is adopted to carry out precooling (to wet coolings such as air carry out) to air, the condensation efficiency of condenser to exhaust steam in steam turbine can be improved, and coal ash is many around power plant, vertical pipe type indirect evaporating-cooling unit can prevent pipeline obstruction, is particularly suitable for the adverse circumstances of power plant; Air after the precooling of vertical pipe type indirect evaporating-cooling unit and shower water are at open type filler unit generation hot and humid area, air equal-enthalpy humidifying is lowered the temperature, wet type heat exchange coil 10 is combined with open type filler unit and increases air and water engaging surface and amass, dry type heat exchange coil 5 pairs of exhaust steam in steam turbine carry out precooler, certain affluence amount is provided for Electric Factory Air-Cooling system summer high temperature strong wind runs, make the operational effect of Air-cooled Unit better, for power plant brings huge economic benefit.

Claims (9)

1. one kind is applicable to the evaporative condenser of power plant, it is characterized in that, comprise condenser shell, the two side that described condenser shell is relative is respectively provided with an air inlet (16), a filler-coil pipe combined type evaporative cooling unit is provided with in described condenser shell, a left side for this filler-coil pipe combined type evaporative cooling unit, right both sides are respectively symmetrically arranged with a vertical pipe type indirect evaporating-cooling unit, condenser shell roof corresponding above described filler-coil pipe combined type evaporative cooling unit is provided with exhaust outlet a (17), condenser shell roof corresponding above described two vertical pipe type indirect evaporating-cooling unit is respectively provided with an exhaust outlet b (18).
2. a kind of evaporative condenser being applicable to power plant according to claim 1, it is characterized in that, described filler-coil pipe combined type evaporative cooling unit, include open type filler unit, described open type filler unit is made up of the first filler (8), the second filler (21) and the 3rd filler (11) that parallel interval is arranged successively from top to bottom, and described 3rd filler (11) is in del;
The top of described first filler (8) is disposed with spray equipment and water collection device (7);
The top of described water collection device (7) is provided with the dry type heat exchange coil (5) of S shape, the lower end of described dry type heat exchange coil (5) is connected with wet type heat exchange coil (10), and described wet type heat exchange coil (10) is S-shaped to be arranged around the first filler (8), the second filler (21) and the 3rd filler (11); The below of the 3rd filler (11) is provided with cyclic water tank a (13), be provided with water pump a (12) in described cyclic water tank a (13), described water pump a (12) is connected with spray equipment by feed pipe a (19).
3. a kind of evaporative condenser being applicable to power plant according to claim 2, it is characterized in that, described spray equipment is made up of shower and the shower nozzle that is evenly arranged at multiple downward spray on shower, and described feed pipe a (19) is connected with shower.
4. a kind of evaporative condenser being applicable to power plant according to claim 2, is characterized in that, forms air channel between described 3rd filler (11) and cyclic water tank a (13).
5. a kind of evaporative condenser being applicable to power plant according to claim 1, it is characterized in that, described vertical pipe type indirect evaporating-cooling unit, include vertical pipe type heat-exchanger rig (4), vertical pipe type heat-exchanger rig (4) is made up of the heat exchanger tube that many vertically be arranged in parallel, and the top of vertical pipe type heat-exchanger rig (4) is disposed with water-locator and water fender (2);
The below of described vertical pipe type heat-exchanger rig (4) is provided with cyclic water tank b (14), be provided with water pump b (15) in described cyclic water tank b (14), described water pump b (15) is connected with water-locator by feed pipe b (20).
6. a kind of evaporative condenser being applicable to power plant according to claim 5, it is characterized in that, described water-locator is made up of water distributor (22) and the nozzle (9) of multiple downward spray that is evenly arranged on water distributor (22); Described water distributor (22) is connected with feed pipe b (20).
7. a kind of evaporative condenser being applicable to power plant according to claim 5, is characterized in that, forms air flow channel between described vertical pipe type heat-exchanger rig (4) and cyclic water tank b (14).
8. a kind of evaporative condenser being applicable to power plant according to claim 5, is characterized in that, is provided with metal cloth filter (1) between described vertical pipe type heat-exchanger rig (4) and the air inlet (16) of homonymy.
9. a kind of evaporative condenser being applicable to power plant according to claim 1, is characterized in that, is provided with blower fan a (6) in described exhaust outlet a (17); Blower fan b (3) is provided with in described exhaust outlet b (18).
CN201420622189.3U 2014-10-24 2014-10-24 A kind of evaporative condenser being applicable to power plant Expired - Fee Related CN204255124U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420622189.3U CN204255124U (en) 2014-10-24 2014-10-24 A kind of evaporative condenser being applicable to power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420622189.3U CN204255124U (en) 2014-10-24 2014-10-24 A kind of evaporative condenser being applicable to power plant

Publications (1)

Publication Number Publication Date
CN204255124U true CN204255124U (en) 2015-04-08

Family

ID=52959423

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420622189.3U Expired - Fee Related CN204255124U (en) 2014-10-24 2014-10-24 A kind of evaporative condenser being applicable to power plant

Country Status (1)

Country Link
CN (1) CN204255124U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108332318A (en) * 2017-12-20 2018-07-27 西安工程大学 A kind of female vertical gilled tube indirect evaporating-cooling core of band
CN108728869A (en) * 2017-04-19 2018-11-02 沈阳铝镁设计研究院有限公司 The equipment cooling device of Smoke Gas Purity by Electrolysis system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108728869A (en) * 2017-04-19 2018-11-02 沈阳铝镁设计研究院有限公司 The equipment cooling device of Smoke Gas Purity by Electrolysis system
CN108728869B (en) * 2017-04-19 2021-02-19 沈阳铝镁设计研究院有限公司 Equipment cooling device of electrolytic flue gas purification system
CN108332318A (en) * 2017-12-20 2018-07-27 西安工程大学 A kind of female vertical gilled tube indirect evaporating-cooling core of band

Similar Documents

Publication Publication Date Title
CN204227792U (en) A kind of water-saving recirculating cooling water system
CN201993007U (en) Composite flow evaporation type air cooler
CN105403068A (en) Dry-wet unified cooling tower adopting natural ventilation and composite running mode and application of dry-wet unified cooling tower
CN104315875A (en) Evaporative-type condenser for peak cooling of power plant
CN108800975A (en) A kind of flue gas cooling heat exchanger of the desulfurization duct mouth with refrigerating plant
CN204255124U (en) A kind of evaporative condenser being applicable to power plant
CN203323272U (en) Multistage evaporative cooling air-conditioner with vertical heat pipes and round pipes combined
CN204301556U (en) A kind of nested type double tower body double flash evaporation cooling tower
CN203249440U (en) Evaporative type condenser
CN106091488A (en) Fin-tube type indirect evaporation air cooler
CN104501624B (en) Evaporative type cooler and surface-type condensing system united power plant cooling system
CN104457317A (en) Stand-pipe indirect-direct two-stage evaporative cooling tower
CN207648835U (en) A kind of boiler exhaust gas waste heat recovery heat supply three towers unification heat transfer spray tower
CN104034178B (en) A kind of plate evaporation air cooling tubes condenser
CN203639490U (en) High-temperature smoke residual heat recycling device
CN205482430U (en) Top end double entry mechanical draft cooling tower
CN203216313U (en) Tube indirect evaporative cooler with water film expanding plates
CN203744762U (en) Evaporation air cooler with atomization and precooling device
CN106123340A (en) The resistance current-sharing preheating backwater condensed heat exchangers such as one
CN208736206U (en) For the steam(-)coil in vapor heat exchanger
CN204064037U (en) The dry wet combination air cooler of a kind of tubular type
CN202246548U (en) Dry quenching preheater
CN203857833U (en) Countercurrent type filler cooling tower
CN104748579A (en) Counter-flow type packing cooling tower
CN205641746U (en) Power plant circulating cooling water system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150408

Termination date: 20151024

EXPY Termination of patent right or utility model