CN206523072U - A kind of Air-Cooling Island spike cooling system - Google Patents
A kind of Air-Cooling Island spike cooling system Download PDFInfo
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- CN206523072U CN206523072U CN201621467717.8U CN201621467717U CN206523072U CN 206523072 U CN206523072 U CN 206523072U CN 201621467717 U CN201621467717 U CN 201621467717U CN 206523072 U CN206523072 U CN 206523072U
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- water
- cooling
- water pump
- air
- buffer tank
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Abstract
The utility model discloses a kind of Air-Cooling Island spike cooling system, including sweet-water tank A, B, buffer tank C, water heat exchanger, the first machine power tower, the second machine power tower, the 3rd machine power tower of heat-insulation layer are not set；Some air flow conduits are provided with inside the buffer tank C, insertion buffer tank C upper bottom surface is used as natural cooling；Outlet pipe is equipped with below three water tanks, outlet pipe is respectively mounted the first water pump, the second water pump, the 3rd water pump.Air-Cooling Island spike cooling system of the present utility model utilizes the day and night temperature difference, and existing open cooling water system, and the water in buffer tank is freezed at night, is cooled down in the daytime for spike；The back pressure of Air-cooled Unit can be reduced, the coal consumption of Air-cooled Unit is reduced, the thermal efficiency of wet type cooling unit is improved, performance driving economy is improved.
Description
Technical field
The utility model is related to Steam Turbine in Fire Power Plant, and in particular to a kind of unique Air-Cooling Island spike cooling system.
Background technology
At present, in China, Air-cooled Unit focuses mostly in the Inner Mongol, Xinjiang, North of Shanxi, North Shaanxi, the Hebei northwestward.
And these areas are the high temperature periods between summer fine day in 10~afternoon 16 in the morning, unit it is less efficient.Once used
The measures such as spraying cooling are due to that can bring the scale problems of heat-transfer surface gradually to be abandoned, and newly-built peak cooling device can cause full factory
Water consumption exceedes design load during project verification, does not meet water-saving policy.As weather turns warm year by year, unit back pressuce is controlled, unit is improved
Economy, is both urgent and urgent.
The content of the invention
The utility model is in view of the above-mentioned problems, provide a kind of Air-Cooling Island spike cooling system, including sweet-water tank A, B, no
If the buffer tank C of heat-insulation layer, water heat exchanger, the first machine power tower, the second machine power tower, the 3rd machine power tower；The buffer tank C
Inside is provided with some air flow conduits, and insertion buffer tank C upper bottom surface is used as natural cooling；In three water tanks
Lower section is equipped with outlet pipe, and outlet pipe is respectively mounted the first water pump, the second water pump, the 3rd water pump, in summer to be existing
Tail vapour condenser or small machine exhaust steam condenser supply water, be used as spike cooling use；Described sweet-water tank A, B, buffer tank C
Upper end connect the delivery port of water heat exchanger respectively；Described sweet-water tank A, B, buffer tank C lower end passes through first respectively
Water pump, the second water pump, the 3rd water pump connect the water inlet of water heat exchanger；The water inlet connection hot net water of the water heat exchanger
Pipeline；The first machine power tower that the connection of the water heat exchanger is set together, the second machine power tower, the 3rd machine power tower.
Further, the buffer tank C is 5000t water tank.
Further, first water pump, the second water pump, the 3rd water pump are 2000t water pump.
Further, the water heat exchanger is is exchanged heat using two media, and two media is all water, is in charge of interior
It is the cooling circulating water of machine power tower in the water for being the buffer tank C that water pump is beaten outside pipe, outside pipe, pipe, two media is herein
The water heat exchanger of heat exchange.
Advantage of the present utility model：
Air-Cooling Island spike cooling system of the present utility model utilizes the day and night temperature difference, and existing open cooling water system,
Water in buffer tank is freezed at night, cooled down in the daytime for spike；
Set single water water heat exchanger can be to obtain spike refrigerating function compared with scalp, effect of spike cooling exists
It is the most notable during peak clipping (back pressure peak value)；
The back pressure of Air-cooled Unit can be reduced, the coal consumption of Air-cooled Unit is reduced, the thermal efficiency of wet type cooling unit is improved, operation is improved
Economy.
Increase platen type water heat exchanger on original system, add after buffer tank, system can be made using round the clock
The temperature difference carries out drop back pressure and improves unit efficiency, and the device water consumption seldom reduces the waste of water resource in addition.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Fig. 1 is the structural representation of the utility model embodiment.
Reference：
1 it is the first water pump, 2 be the second water pump, 3 be the 3rd water pump, 4 be the first machine power tower, 5 be the second machine power tower, 6 is
Three machine power towers, 7 are water heat exchanger.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
With reference to Fig. 1, a kind of Air-Cooling Island spike cooling system as shown in Figure 1, including sweet-water tank A, B do not set heat-insulation layer
Buffer tank C, water heat exchanger 7, the first machine power tower 4, the second machine power tower 5, the 3rd machine power tower 6；Inside the buffer tank C
Provided with some air flow conduits, insertion buffer tank C upper bottom surface is used as natural cooling；In the lower section of three water tanks
Be equipped with outlet pipe, outlet pipe is respectively mounted the first water pump 1, the second water pump 2, the 3rd water pump 3, in summer to be existing
The exhaust steam condenser of tail vapour condenser or small machine supplies water, and cools down and uses as spike；Described sweet-water tank A, B, buffer tank C's
Upper end connects the delivery port of water heat exchanger 7 respectively；Described sweet-water tank A, B, buffer tank C lower end pass through the first water respectively
Pump 1, the second water pump 2, the 3rd water pump 3 connect the water inlet of water heat exchanger 7；The water inlet connection heat of the water heat exchanger 7
Net waterpipe；The first machine power tower 4 that the connection of the water heat exchanger 7 is set together, the second machine power tower 5, the 3rd machine power tower
6。
The buffer tank C is 5000t water tank.
First water pump, the second water pump, the 3rd water pump are 2000t water pump.
The water heat exchanger 7 is is exchanged heat using two media, and two media is all water, is in charge of outside interior and pipe, pipe
It is the cooling circulating water of machine power tower, the hydro-thermal that two media exchanges heat herein in the outer buffer tank C beaten for water pump water, pipe
Exchanger.
Build 5000t water tank again outside existing 2 5000t chemical deionization water tanks, be used as buffer tank.Point
It is also known as A, B, C. buffer tanks C does not set insulation, and internally designs some air stream siphunculus, the upper bottom surface of insertion water tank.
Used as natural cooling.
Outlet pipe is drawn in the lower section of three water tanks, 2000t water pump is installed, is existing tail vapour condenser in summer
Or the exhaust steam condenser of small machine supplies water, cool down and use as spike.Backwater returns to the top of three water tanks.
11~16 point operations of the system in summer high temperature day.The water of A water tanks is first got into C；Then the water of B water tanks is beaten again
To A, the water of C water tanks is then got into B again.So circulation.Cooling effect is lost until water temperature rises to more than 80 °.Now exhaust steam
Cooling fully rely on Air-Cooling Island.
To evening, drawn all the way from existing open type cooling water, 2 loops are constituted with above-mentioned recirculated water, water water is set
Heat exchanger.Cooling processing is carried out to ABC three water tanks.
The utility model can reduce the back pressure of Air-cooled Unit by day and night temperature, reduce unit generation coal consumption, the skill
The application water consumption of art is few.
Improve the economy of unit operation.Calculated with single unit：5000t water heats up (69.11-22=47.11 °),
400.4t exhaust steam total amount can be absorbed, is calculated according to 5~6h of work, each hour can consume 80~67t/h exhaust steam.Can
Think that unit declines 5~8kpa back pressure.Water consume, power consumption are removed, still there is very big income.300MW*75% load * 8kpa*
1.3g/kpa.kwh=2.34t/h；
According to daily 6h, 400 yuan of calculating of coal price：2.34*6*400 member=5606 yuan/day.
120 days summers：67.3 ten thousand.Spring and autumn：According to the income calculation of half, annual income is up to 1,000,000.
Air-Cooling Island spike cooling system of the present utility model utilizes the day and night temperature difference, and existing open cooling water system,
Water in buffer tank is freezed at night, cooled down in the daytime for spike；
Set single water water heat exchanger can be to obtain spike refrigerating function compared with scalp, effect of spike cooling exists
It is the most notable during peak clipping (back pressure peak value)；
The back pressure of Air-cooled Unit can be reduced, the coal consumption of Air-cooled Unit is reduced, the thermal efficiency of wet type cooling unit is improved, operation is improved
Economy.
Increase platen type water heat exchanger on original system, add after buffer tank, system can be made using round the clock
The temperature difference carries out drop back pressure and improves unit efficiency, and the device water consumption seldom reduces the waste of water resource in addition.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
1. a kind of Air-Cooling Island spike cooling system, it is characterised in that including sweet-water tank A, B, the buffer tank of heat-insulation layer is not set
C, water heat exchanger (7), the first machine power tower (4), the second machine power tower (5), the 3rd machine power tower (6)；Set inside the buffer tank C
There are some air flow conduits, insertion buffer tank C upper bottom surface is used as natural cooling；It is equal in the lower section of three water tanks
Provided with outlet pipe, outlet pipe is respectively mounted the first water pump (1), the second water pump (2), the 3rd water pump (3), to be existing in summer
The exhaust steam condenser of some tail vapour condenser or small machine supplies water, and cools down and uses as spike；Described sweet-water tank A, B, buffered water
Case C upper end connects the delivery port of water heat exchanger (7) respectively；Described sweet-water tank A, B, buffer tank C lower end leads to respectively
Cross the first water pump (1), the second water pump (2), the water inlet of the 3rd water pump (3) connection water heat exchanger (7)；The water heat exchanger
(7) water inlet connection heat supply network waterpipe；The first machine power tower (4) that the connection of the water heat exchanger (7) is set together,
Two machine power towers (5), the 3rd machine power tower (6).
2. Air-Cooling Island spike cooling system according to claim 1, it is characterised in that the buffer tank C is 5000t's
Water tank.
3. Air-Cooling Island spike cooling system according to claim 1, it is characterised in that first water pump, the second water pump,
3rd water pump is 2000t water pump.
4. Air-Cooling Island spike cooling system according to claim 1, it is characterised in that the water heat exchanger (7) is profit
Exchanged heat, two media is all water, be in charge of outside interior and pipe with two media, the buffer tank C's beaten outside pipe for water pump
It is the cooling circulating water of machine power tower, the water heat exchanger that two media exchanges heat herein in water, pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621467717.8U CN206523072U (en) | 2016-12-29 | 2016-12-29 | A kind of Air-Cooling Island spike cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621467717.8U CN206523072U (en) | 2016-12-29 | 2016-12-29 | A kind of Air-Cooling Island spike cooling system |
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| Publication Number | Publication Date |
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| CN206523072U true CN206523072U (en) | 2017-09-26 |
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ID=59889326
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621467717.8U Active CN206523072U (en) | 2016-12-29 | 2016-12-29 | A kind of Air-Cooling Island spike cooling system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253813A (en) * | 2017-12-29 | 2018-07-06 | 中国电建集团河北省电力勘测设计研究院有限公司 | A kind of optimization method of the spike cooling system of air cooling unit |
| CN113482095A (en) * | 2021-05-28 | 2021-10-08 | 中国能源建设集团江苏省电力设计院有限公司 | Back pressure type thermal power plant coupling type water supply system |
-
2016
- 2016-12-29 CN CN201621467717.8U patent/CN206523072U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253813A (en) * | 2017-12-29 | 2018-07-06 | 中国电建集团河北省电力勘测设计研究院有限公司 | A kind of optimization method of the spike cooling system of air cooling unit |
| CN108253813B (en) * | 2017-12-29 | 2019-08-13 | 中国电建集团河北省电力勘测设计研究院有限公司 | A kind of optimization method of the spike cooling system of air cooling unit |
| CN113482095A (en) * | 2021-05-28 | 2021-10-08 | 中国能源建设集团江苏省电力设计院有限公司 | Back pressure type thermal power plant coupling type water supply system |
| CN113482095B (en) * | 2021-05-28 | 2022-10-18 | 中国能源建设集团江苏省电力设计院有限公司 | Back pressure type thermal power plant coupling type water supply system |
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