CN106052413B - Tower direct air cooled condenser - Google Patents
Tower direct air cooled condenser Download PDFInfo
- Publication number
- CN106052413B CN106052413B CN201610548564.8A CN201610548564A CN106052413B CN 106052413 B CN106052413 B CN 106052413B CN 201610548564 A CN201610548564 A CN 201610548564A CN 106052413 B CN106052413 B CN 106052413B
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- China
- Prior art keywords
- tower
- steam
- cooled condenser
- windbreak
- tube bank
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- 238000001816 cooling Methods 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to power station air cooling system technical fields, it includes steam turbine building to specifically disclose a kind of tower direct air cooled condenser, blow-off line, support column, blower fan group, air cooling platform holder, radiator is restrained, steam-distributing pipe and tower windbreak, the steam discharge of steam turbine passes sequentially through the blow-off line in steam turbine building and steam-distributing pipe is discharged in radiator tube bank, steam-distributing pipe is connected to the upper end that radiator is restrained, radiator is restrained, blower fan group and tower windbreak are located on air cooling platform holder, blower fan group is located at the lower section of radiator tube bank, tower windbreak is located at the surrounding of radiator tube bank, the size of tower windbreak upper end opening is higher than the position of steam-distributing pipe upper end less than the size of lower ending opening and the position of upper end opening, air cooling platform branch is erected on support column.The present invention can effectively reduce external environment wind to the influence caused by direct air cooled condenser, while can also reduce the power consumption of wind turbine.
Description
Technical field
The present invention relates to power station air cooling system technical field more particularly to a kind of tower direct air cooled condensers.
Background technology
With the attention further that country protects freshwater resources, power station air cooling system is gradually realized in China water-deficient area
It is widely applied.Power station air cooling system is divided into two kinds of patterns of direct air cooling system and indirect air cooling system, direct air cooled system at present
System has the characteristics that simple system, resistance to frost are good, floor space is small, adjustment is flexible, initial cost is few, the construction period is short, at present
It has a wide range of applications.Direct air cooling system is also known as air cooling tubes condenser (ACC), turbine discharge in closed radiator directly by
Air cooling condenses, and cooling air is driven using machine power axial flow blower, and air cooling heat radiator tube bank is arranged at A types, restrains lower part cloth
Wind turbine is set, tube bundle top is arranged in and is made of concrete support posts and steel structure truss into turbine discharge, tube bank and blower fan group
Air cooling platform on.
But conventional direct air cooled condenser is since it is affected by extraneous wind environment, wind especially after by stove
Influence, in the stable difference in strong wind atmosphere factory site, so, some projects be forced to select system complex, cost it is high, it is long in time limit,
The natural draft indirect dry cooling system taken up a large area；In addition, existing direct air cooled condenser usually merely uses machine power
Ventilation, wind turbine power consumption are also larger.
Invention content
(1) technical problems to be solved
The object of the present invention is to provide a kind of tower direct air cooled condensers, to overcome Direct Air-Cooled in the prior art solidifying
Vapour device is by the problem that extraneous wind environment is affected and wind turbine power consumption is larger.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of tower direct air cooled condensers, including steam turbine building, row
Steam pipe road, support column, blower fan group, air cooling platform holder, radiator tube bank, steam-distributing pipe and tower windbreak；The steam turbine
The steam discharge of steam turbine passes sequentially through the blow-off line in room and steam-distributing pipe is discharged in the radiator tube bank, the steam
Distribution pipe is connected to the upper end that the radiator is restrained, and the radiator tube bank, blower fan group and tower windbreak are located at the sky
On cold platform holder, the blower fan group is located at the lower section of radiator tube bank, and the tower windbreak is located at the radiator
The position of the surrounding of tube bank, the size and upper end opening that the size of the tower windbreak upper end opening is less than lower ending opening is higher than
The position of the steam-distributing pipe upper end, the air cooling platform branch are erected on the support column.
Preferably, the tower windbreak uses turriform necking brattice, is divided into hypomere wall, stage casing wall from the bottom to top
With epimere wall, the hypomere wall is higher than the position of the steam-distributing pipe upper end, institute for the position of vertical wall and upper end
The size that stage casing wall is less than lower ending opening for the size of inclined wall and upper end opening is stated, the epimere wall is vertical wall
Body.
Preferably, the angle of inclination of the stage casing wall with respect to the horizontal plane is 30 °~75 °.
Preferably, the sum of height of the stage casing wall and epimere wall is 10m~50m.
Preferably, the air cooling platform holder is surrounded by the oblique wind shield of blower fan group, the upper end of the oblique wind shield and
Lower end is connect with the top and bottom of the air cooling platform holder respectively and the size of the oblique wind shield lower ending opening is more than upper
The size of end opening.
Preferably, the angle of inclination of the oblique wind shield with respect to the horizontal plane is 15 °~45 °.
Preferably, the length of the oblique wind shield is 5m~25m.
Preferably, what the radiator was restrained arranges at A type multiple rows.
Preferably, the air cooling platform holder is steel structure truss.
Preferably, the support column is concrete support posts.
(3) advantageous effect
The tower direct air cooled condenser of the present invention improves hot air outlet speed by using tower windbreak, increases
Hot-air diffusion height is added, has raised brattice outside air vortex position, has prevented outside fan unit hot air reflow, carried
The high heat-sinking capability of air cooling heat radiator, since tower windbreak is outside angled profile, it is upward that can guide extraneous beam wind
The air-flow of flowing improves hot-air diffusion conditions, since the height of tower windbreak is higher, can form effective draft, and
Ventilation blower wind pressure is reduced using the natural draft of tower windbreak, to save wind turbine power consumption；In addition, the present invention's is tower
Direct air cooled condenser is by using the oblique wind shield positioned at lower part, and heat caused by wind flows back into sky after effectively having completely cut off stove
The channel of fans entrance on the downside of cold platform, and effectively reduce fan unit heat on the outside of surrounding and flow back, improve air-cooled dissipate
The heat-sinking capability of hot device, oblique wind shield change extraneous beam wind flow direction, improve outer rim fans entrance negative pressure, improve wind turbine suction
Wind energy power, to increase the heat-sinking capability of air cooling heat radiator.To sum up, tower direct air cooled condenser of the invention can effectively drop
Low external environment wind makes wind after the influence caused by direct air cooled condenser, the especially reflux of outside wind turbine hot cell and stove
At influence, can by wind after stove on it is air-cooled influence be reduced within 5%, can also reduce the influence of a front surface and a side surface beam wind, effectively
The wind loading rating of direct air cooled condenser is improved, while the power consumption of wind turbine can also be reduced.
Description of the drawings
Fig. 1 is the facade layout drawing of the tower direct air cooled condenser of the embodiment of the present invention.
In figure, 1：Steam turbine building；2：Blow-off line；3：Support column；4：Blower fan group；5：Air cooling platform holder；6：Oblique wind shield；
7：Radiator is restrained；8：Tower windbreak；9：Steam-distributing pipe.
Specific implementation mode
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used for limiting the scope of the invention.
In the description of the present invention, it should be noted that term "upper", "lower", "vertical", "horizontal", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter
Change description, do not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and
Operation, therefore be not considered as limiting the invention.Unless otherwise clearly defined and limited, term " connection ", " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
As shown in Figure 1, the tower direct air cooled condenser of the present embodiment includes：Steam turbine building 1, blow-off line 2, support column 3,
Blower fan group 4, air cooling platform holder 5, radiator tube bank 7, steam-distributing pipe 9, tower windbreak 8 and oblique wind shield 6.
The steam discharge of steam turbine passes sequentially through blow-off line 2 in steam turbine building 1 and steam-distributing pipe 9 is discharged in radiator tube bank 7,
Steam-distributing pipe 9 is connected to the upper end of radiator tube bank 5, and radiator tube bank 5, blower fan group 4 and tower windbreak 8 are arranged air-cooled
On platform support 5, blower fan group 4 is located at the lower section of radiator tube bank 7, specifically, radiator tube bank 7 is mounted on air cooling platform holder
5 upper end, blower fan group 4 are mounted on the top inside air cooling platform holder 5, and tower windbreak 8 is located at the four of radiator tube bank 7
Week, oblique wind shield 6 are mounted on the surrounding of air cooling platform holder 5, and air cooling platform holder 5 is located on support column 3.
Tower windbreak 7 uses tower necking brattice, and the size of end opening is less than size and the upper end of lower ending opening thereon
The position of opening is higher than the position of 9 upper end of steam-distributing pipe, and tower windbreak 8 can be divided into hypomere wall, stage casing from the bottom to top
Wall and epimere wall, wherein hypomere wall is higher than the position of 9 upper end of steam-distributing pipe for the position of vertical wall and upper end,
Stage casing wall is less than the size of lower ending opening for the size of inclined wall and upper end opening, and epimere wall is vertical wall.This reality
It applies in example, the angle of inclination of stage casing wall with respect to the horizontal plane is 30 °~75 °, the sum of the height of stage casing wall and epimere wall
For 10m~50m.
The top and bottom of oblique wind shield 6 connect with the top and bottom of air cooling platform holder 5 and respectively on oblique wind shields 6
The size of end opening is less than the size of lower ending opening.In the present embodiment, the angle of inclination of oblique wind shield 6 with respect to the horizontal plane is
15 °~45 °, the projected length in numerical value direction and the projected length of horizontal direction are 1:It is best proportion, oblique wind shield 6 when 2
Length be 5m~25m.
In the present embodiment, radiator tube bank 7 is arranged at A type multiple rows.Air cooling platform holder 5 is steel structure truss.Support column 3
For concrete support posts, support column 3 is multiple.
The tower direct air cooled condenser of the present invention improves hot air outlet wind speed by using tower windbreak, increases
Hot-air diffusion height is added, has raised brattice outside air vortex position, has prevented outside fan unit hot air reflow, carried
The high heat-sinking capability of air cooling heat radiator, since tower windbreak is outside angled profile, it is upward that can guide extraneous beam wind
The air-flow of flowing improves hot-air diffusion conditions, since the height of tower windbreak is higher, can form effective draft, can
The pressure head of leg space ventilation machine is reduced, and ventilation blower wind pressure is reduced using the natural draft of tower windbreak, to save wind
Machine power consumption；In addition, the tower direct air cooled condenser of the present invention is by using the oblique wind shield positioned at lower part, it is effective to completely cut off
Heat caused by wind flows back into the channel of the fans entrance on the downside of air cooling platform after stove, and effectively reduces wind turbine on the outside of surrounding
Unit heat flows back, and improves the heat-sinking capability of air cooling heat radiator, and oblique wind shield changes extraneous beam wind flow direction, improves outer rim wind
Machine entrance negative pressure improves fan induced draught ability, to increase the heat-sinking capability of air cooling heat radiator.To sum up, of the invention tower
Direct air cooled condenser can effectively reduce external environment wind to the influence caused by direct air cooled condenser, especially outer crosswind
Machine hot cell flows back and the influence caused by wind after stove, wind after stove can be reduced within 5% on air-cooled influence, can also reduced just
The influence in face and side beam wind effectively improves the wind loading rating of direct air cooled condenser, while can also reduce the power consumption of wind turbine.
The embodiment of the present invention provides for the sake of example and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
It is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application to select and describe embodiment
It will be appreciated that various embodiments with various modifications of the present invention to design suitable for special-purpose.
Claims (8)
1. a kind of tower direct air cooled condenser, which is characterized in that including steam turbine building, blow-off line, support column, blower fan group, sky
Cold platform holder, radiator tube bank, steam-distributing pipe and tower windbreak；The steam discharge of steam turbine passes sequentially through in the steam turbine building
The blow-off line and steam-distributing pipe are discharged in the radiator tube bank, the steam-distributing pipe and radiator tube bank
Upper end is connected to, and the radiator tube bank, blower fan group and tower windbreak are located on the air cooling platform holder, the blower fan group position
In the lower section of radiator tube bank, the tower windbreak is located at the surrounding of radiator tube bank, the tower windbreak
The size of upper end opening is higher than the position of the steam-distributing pipe upper end less than the size of lower ending opening and the position of upper end opening,
The air cooling platform branch is erected on the support column；
The tower windbreak uses turriform necking brattice, is divided into hypomere wall, stage casing wall and epimere wall from the bottom to top,
The hypomere wall is higher than the position of the steam-distributing pipe upper end for the position of vertical wall and upper end, and the stage casing wall is
The size of inclined wall and upper end opening is less than the size of lower ending opening, and the epimere wall is vertical wall；
The air cooling platform holder is surrounded by the oblique wind shield of blower fan group, the top and bottom of the oblique wind shield respectively with institute
The size of the top and bottom connection and the oblique wind shield lower ending opening of stating air cooling platform holder is more than the size of upper end opening.
2. tower direct air cooled condenser according to claim 1, which is characterized in that the stage casing wall is relative to level
The angle of inclination in face is 30 °~75 °.
3. tower direct air cooled condenser according to claim 1, which is characterized in that the stage casing wall and epimere wall
The sum of height be 10m~50m.
4. tower direct air cooled condenser according to claim 1, which is characterized in that the oblique wind shield is relative to level
The angle of inclination in face is 15 °~45 °.
5. tower direct air cooled condenser according to claim 1, which is characterized in that the length of the oblique wind shield is 5m
~25m.
6. tower direct air cooled condenser according to claim 1, which is characterized in that the radiator tube bank is more at A types
Row arrangement.
7. tower direct air cooled condenser according to claim 1, which is characterized in that the air cooling platform holder is steel knot
Structure truss.
8. tower direct air cooled condenser according to claim 1, which is characterized in that the support column is concrete support
Column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610548564.8A CN106052413B (en) | 2016-07-13 | 2016-07-13 | Tower direct air cooled condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610548564.8A CN106052413B (en) | 2016-07-13 | 2016-07-13 | Tower direct air cooled condenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106052413A CN106052413A (en) | 2016-10-26 |
| CN106052413B true CN106052413B (en) | 2018-11-06 |
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ID=57186487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610548564.8A Active CN106052413B (en) | 2016-07-13 | 2016-07-13 | Tower direct air cooled condenser |
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| Country | Link |
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| CN (1) | CN106052413B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174004A (en) * | 2019-05-10 | 2019-08-27 | 西安交通大学 | It is a kind of improve the later wind of Direct Air-cooled Unit furnace in the case of exchange capability of heat wind-proof device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074752A (en) * | 1992-01-25 | 1993-07-28 | 巴尔克德股份公司 | Cooling tower with natural air exhaust |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929622Y (en) * | 2006-06-16 | 2007-08-01 | 江苏双良空调设备股份有限公司 | Direct air cooling condensor with flow guide wind-proof device for power station |
| CN102052857B (en) * | 2009-11-03 | 2014-06-18 | 李宁 | Natural ventilation air-cooling condenser |
| CN203011179U (en) * | 2012-12-03 | 2013-06-19 | 中国电力工程顾问集团西北电力设计院 | Tower type direct air cooled condenser and tower type direct dry cooling system thereof |
| CN204402591U (en) * | 2014-12-27 | 2015-06-17 | 西安热工研究院有限公司 | A kind of novel air cooling system |
| CN205262240U (en) * | 2015-12-11 | 2016-05-25 | 双良节能***股份有限公司 | Adopt natural draft's direct air cooling system |
-
2016
- 2016-07-13 CN CN201610548564.8A patent/CN106052413B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074752A (en) * | 1992-01-25 | 1993-07-28 | 巴尔克德股份公司 | Cooling tower with natural air exhaust |
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| CN106052413A (en) | 2016-10-26 |
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