CN106052413A - Tower type direct air-cooling condenser - Google Patents
Tower type direct air-cooling condenser Download PDFInfo
- Publication number
- CN106052413A CN106052413A CN201610548564.8A CN201610548564A CN106052413A CN 106052413 A CN106052413 A CN 106052413A CN 201610548564 A CN201610548564 A CN 201610548564A CN 106052413 A CN106052413 A CN 106052413A
- Authority
- CN
- China
- Prior art keywords
- tower
- wall
- steam
- direct air
- cooled condenser
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 48
- 239000011324 bead Substances 0.000 claims description 21
- 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
- 238000010992 reflux Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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 invention relates to the technical field of power station air-cooling systems, and particularly discloses a tower type direct air-cooling condenser. The tower type direct air-cooling condenser comprises a steam engine room, a steam exhaust pipeline, a supporting column, a draught fan set, an air-cooling platform support, a heat sink pipe bundle, a steam distribution pipe and a tower type wind break wall. Exhausted steam of a steam turbine in the steam engine room is exhausted into the heat sink pipe bundle through the steam exhaust pipeline and the steam distribution pipe in sequence, the steam distribution pipe is communicated with the upper end of the heat sink pipe bundle, the heat sink pipe bundle, the draught fan set and the tower type wind break wall are arranged on the air-cooling platform support, the draught fan set is located below the heat sink pipe bundle, the tower type wind break wall is located on the periphery of the heat sink pipe bundle, the size of an opening in the upper end of the tower type wind break wall is smaller than that of an opening in the lower end of the tower type wind break wall, the position of the opening in the upper end is higher than the position of the upper end of the steam distribution pipe, and the air-cooling platform support is erected on the supporting column; and according to the condenser, the influence of exterior environment wind on the direct air-cooling condenser can be effectively reduced, and meanwhile the power consumption of draught fans can be reduced.
Description
Technical field
The present invention relates to power station air cooling systems technology field, particularly relate to a kind of tower direct air cooled condenser.
Background technology
The attention further protected freshwater resources along with country, power station air cooling system gradually achieves in China water-deficient area
It is widely applied.Power station air cooling system is divided into direct air cooling system and two kinds of patterns of indirect air cooling system, direct air cooled system at present
System has the features such as system is simple, resistance to frost good, floor space is little, adjustment is flexible, initial cost is few, the construction period is short, at present
Have a wide range of applications.Direct air cooling system also known as air cooling tubes condenser (ACC), turbine discharge in closed radiator directly by
Air cooling condenses, and cooling air uses machine power axial flow blower to drive, and air cooling heat radiator is restrained into A type and arranged, tube bank bottom cloth
Putting blower fan, tube bundle top enters turbine discharge, and tube bank and blower fan group are arranged in and are made up of concrete support post and steel structure truss
Air cooling platform on.
But, conventional direct air cooled condenser is affected relatively big, especially by furnace rear wind due to it by external wind environment
Impact, in the stable difference in strong wind atmosphere factory site, so, some projects be forced to select system complex, cost high, long in time limit,
The natural draft indirect dry cooling system that floor space is big；It addition, existing direct air cooled condenser the most merely uses machine power
Ventilating, blower fan power consumption is the biggest.
Summary of the invention
(1) to solve the technical problem that
It is an object of the invention to provide a kind of tower direct air cooled condenser, to overcome Direct Air-Cooled of the prior art to coagulate
Vapour device is affected relatively big and that blower fan power consumption is bigger problem by external wind environment.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of tower direct air cooled condenser, including steam turbine building, row
The tube bank of steam pipe road, support column, blower fan group, air cooling platform support, radiator, steam-distributing pipe and tower windbreak；Described steam turbine
In room, the steam discharge of steam turbine passes sequentially through described blow-off line and steam-distributing pipe is discharged in the tube bank of described radiator, described steam
Distribution pipe connects with the upper end of described radiator tube bank, and the tube bank of described radiator, blower fan group and tower windbreak are located at described sky
On cold platform support, described blower fan group is positioned at the lower section of described radiator tube bank, and described tower windbreak is positioned at described radiator
The surrounding of tube bank, the described size being smaller in size than lower ending opening of tower windbreak upper end open and the position of upper end open are higher than
The position of described steam-distributing pipe upper end, described air cooling platform props up and is erected on described support column.
Preferably, described tower windbreak uses turriform reducing brattice, and it is divided into hypomere body of wall, stage casing body of wall from the bottom to top
With epimere body of wall, described hypomere body of wall is the position higher than described steam-distributing pipe upper end, the position of vertical body of wall and upper end, institute
Stating the size being smaller in size than lower ending opening that stage casing body of wall is inclined wall and upper end open, described epimere body of wall is vertical wall
Body.
Preferably, body of wall angle of inclination with respect to the horizontal plane in described stage casing is 30 °～75 °.
Preferably, the height sum of described stage casing body of wall and epimere body of wall is 10m～50m.
Preferably, described air cooling platform support be formed around the oblique deep bead of blower fan group, the upper end of described oblique deep bead and
Lower end is connected with the top and bottom of described air cooling platform support respectively and the size of described oblique deep bead lower ending opening is more than upper
The size of end opening.
Preferably, described oblique deep bead angle of inclination with respect to the horizontal plane is 15 °～45 °.
Preferably, a length of 5m～25m of described oblique deep bead.
Preferably, the one-tenth A type multiple row of described radiator tube bank is arranged.
Preferably, described air cooling platform support is steel structure truss.
Preferably, described support column is concrete support post.
(3) beneficial effect
The tower direct air cooled condenser of the present invention, by using tower windbreak, improves hot air outlet speed, increases
Add hot-air diffusion height, raised brattice outside air vortex position, stopped outside fan unit hot air reflow, carried
The high heat-sinking capability of air cooling heat radiator, owing to tower windbreak is outside angled profile, can guide extraneous beam wind as upwards
The air-flow of flowing, improves hot-air diffusion conditions, owing to the height of tower windbreak is higher, can form effective draft, and
The natural draft utilizing tower windbreak reduces ventilation blower blast, thus has saved blower fan power consumption；It addition, the present invention's is tower
Direct air cooled condenser is positioned at the oblique deep bead of bottom by employing, has effectively completely cut off the hot reflux entrance sky that furnace rear wind causes
The passage of the fans entrance on the downside of cold platform, and effectively reduce fan unit hot reflux outside surrounding, improve air cooling and dissipate
The heat-sinking capability of hot device, oblique deep bead changes extraneous beam wind and flows to, improves outer rim fans entrance negative pressure, improves blower fan and inhales
Wind energy power, thus increase the heat-sinking capability of air cooling heat radiator.To sum up, the tower direct air cooled condenser of the present invention can effectively drop
The impact that direct air cooled condenser is caused by low external environment wind, the especially backflow of outside blower fan hot cell and furnace rear wind are made
The impact become, within can being reduced to 5% by furnace rear wind to air cooling impact, it is possible to reduce front and the impact of side beam wind, effectively
Improve the wind loading rating of direct air cooled condenser, the power consumption of blower fan can also be reduced simultaneously.
Accompanying drawing explanation
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 support；6: tiltedly deep bead；
7: radiator is restrained；8: tower windbreak；9: steam-distributing pipe.
Detailed description of the invention
With embodiment, embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.Following example are used for
The present invention is described, but can not be used for limiting the scope of the present invention.
In describing the invention, it should be noted that term " on ", D score, " vertically ", " level ", " interior ", " outward " etc.
Orientation or the position relationship of instruction are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and Jian
Change describe rather than instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, is therefore not considered as limiting the invention.Unless otherwise clearly defined and limited, term " connect ", " connection "
Should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion.For the ordinary skill in the art, above-mentioned term tool in the present invention can be understood with concrete condition
Body implication.
As it is 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 support 5, radiator tube bank 7, steam-distributing pipe 9, tower windbreak 8 and oblique deep bead 6.
In steam turbine building 1, the steam discharge of steam turbine passes sequentially through blow-off line 2 and steam-distributing pipe 9 is discharged in radiator tube bank 7,
Steam-distributing pipe 9 connects with the upper end of radiator tube bank 5, and radiator tube bank 5, blower fan group 4 and tower windbreak 8 are arranged on air cooling
On platform support 5, blower fan group 4 is positioned at the lower section of radiator tube bank 7, concrete, and radiator tube bank 7 is arranged on air cooling platform support
The upper end of 5, blower fan group 4 is arranged on the top within air cooling platform support 5, and tower windbreak 8 is positioned at the four of radiator tube bank 7
In week, oblique deep bead 6 is arranged on the surrounding of air cooling platform support 5, and air cooling platform support 5 is located on support column 3.
Tower windbreak 7 uses tower reducing brattice, the size being smaller in size than lower ending opening of its upper end open and upper end
The position of opening is higher than the position of steam-distributing pipe 9 upper end, and tower windbreak 8 can be divided into hypomere body of wall, stage casing from the bottom to top
Body of wall and epimere body of wall, wherein, hypomere body of wall is the position higher than steam-distributing pipe 9 upper end, the position of vertical body of wall and upper end,
Stage casing body of wall is the size being smaller in size than lower ending opening of inclined wall and upper end open, and epimere body of wall is vertical body of wall.This reality
Executing in example, body of wall angle of inclination with respect to the horizontal plane in stage casing is 30 °～75 °, the height sum of stage casing body of wall and epimere body of wall
For 10m～50m.
Tiltedly top and bottom with air cooling platform support 5 respectively, the top and bottom of deep bead 6 are connected and on oblique deep bead 6
The size being smaller in size than lower ending opening of end opening.In the present embodiment, oblique deep bead 6 angle of inclination with respect to the horizontal plane is
15 °～45 °, the projected length in its numerical value direction and the projected length of horizontal direction are best proportion when being 1:2, oblique deep bead 6
A length of 5m～25m.
In the present embodiment, radiator is restrained 7 one-tenth A type multiple rows and is arranged.Air cooling platform support 5 is steel structure truss.Support column 3
For concrete support post, support column 3 is multiple.
The tower direct air cooled condenser of the present invention, by using tower windbreak, improves hot air outlet wind speed, increases
Add hot-air diffusion height, raised brattice outside air vortex position, stopped outside fan unit hot air reflow, carried
The high heat-sinking capability of air cooling heat radiator, owing to tower windbreak is outside angled profile, can guide extraneous beam wind as upwards
The air-flow of flowing, improves hot-air diffusion conditions, owing to the height of tower windbreak is higher, can form effective draft, can
Reduce the pressure head of leg space ventilation machine, and utilize the natural draft of tower windbreak to reduce ventilation blower blast, thus save wind
Machine power consumption；It addition, the tower direct air cooled condenser of the present invention is positioned at the oblique deep bead of bottom by employing, effective isolation
The hot reflux that furnace rear wind causes enters the passage of the fans entrance on the downside of air cooling platform, and effectively reduces blower fan outside surrounding
Unit hot reflux, improves the heat-sinking capability of air cooling heat radiator, and oblique deep bead changes extraneous beam wind and flows to, and improves outer rim wind
Machine entrance negative pressure, improves fan induced draught ability, thus increases the heat-sinking capability of air cooling heat radiator.To sum up, the present invention's is tower
Direct air cooled condenser can effectively reduce the impact that direct air cooled condenser is caused by external environment wind, outer crosswind
The impact that the backflow of machine hot cell and furnace rear wind are caused, within can being reduced to 5% by furnace rear wind to air cooling impact, it is possible to just reducing
Face and the impact of side beam wind, be effectively improved the wind loading rating of direct air cooled condenser, can also reduce the power consumption of blower fan simultaneously.
Embodiments of the invention are given for example with for the sake of describing, and are not exhaustively or by this
Bright it is limited to disclosed form.Many modifications and variations are apparent from for the ordinary skill in the art.Choosing
Selecting and describe embodiment is in order to the principle of the present invention and actual application are more preferably described, and makes those of ordinary skill in the art
It will be appreciated that the present invention thus design is suitable to the various embodiments with various amendments of special-purpose.
Claims (10)
1. a tower direct air cooled condenser, it is characterised in that include steam turbine building, blow-off line, support column, blower fan group, sky
The tube bank of cold platform support, radiator, steam-distributing pipe and tower windbreak；In described steam turbine building, the steam discharge of steam turbine passes sequentially through
Described blow-off line and steam-distributing pipe are discharged in the tube bank of described radiator, described steam-distributing pipe and the tube bank of described radiator
Upper end connects, and the tube bank of described radiator, blower fan group and tower windbreak are located on described air cooling platform support, described blower fan group position
In the lower section that described radiator is restrained, described tower windbreak is positioned at the surrounding of described radiator tube bank, described tower windbreak
The size being smaller in size than lower ending opening of upper end open and the position of upper end open are higher than the position of described steam-distributing pipe upper end,
Described air cooling platform props up and is erected on described support column.
Tower direct air cooled condenser the most according to claim 1, it is characterised in that described tower windbreak uses turriform
Reducing brattice, its be divided into from the bottom to top hypomere body of wall, stage casing body of wall and epimere body of wall, described hypomere body of wall be vertical body of wall and on
The position of end is higher than the position of described steam-distributing pipe upper end, and described stage casing body of wall is that the size of inclined wall and upper end open is little
In the size of lower ending opening, described epimere body of wall is vertical body of wall.
Tower direct air cooled condenser the most according to claim 2, it is characterised in that described stage casing body of wall is relative to level
The angle of inclination in face is 30 °～75 °.
Tower direct air cooled condenser the most according to claim 2, it is characterised in that described stage casing body of wall and epimere body of wall
Height sum be 10m～50m.
Tower direct air cooled condenser the most according to claim 1, it is characterised in that the surrounding of described air cooling platform support
Be provided with the oblique deep bead of blower fan group, the top and bottom of described oblique deep bead respectively with the top and bottom of described air cooling platform support
The size of connection and described oblique deep bead lower ending opening is more than the size of upper end open.
Tower direct air cooled condenser the most according to claim 5, it is characterised in that described oblique deep bead is relative to level
The angle of inclination in face is 15 °～45 °.
Tower direct air cooled condenser the most according to claim 5, it is characterised in that a length of 5m of described oblique deep bead
～25m.
Tower direct air cooled condenser the most according to claim 1, it is characterised in that it is many that described radiator restrains into A type
Row are arranged.
Tower direct air cooled condenser the most according to claim 1, it is characterised in that described air cooling platform support is steel knot
Structure truss.
Tower direct air cooled condenser the most according to claim 1, it is characterised in that described support column is that concrete props up
Dagger.
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 true CN106052413A (en) | 2016-10-26 |
| CN106052413B CN106052413B (en) | 2018-11-06 |
Family
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106052413B (en) |
Cited By (2)
| 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 |
| CN111271983A (en) * | 2020-03-17 | 2020-06-12 | 山西能源学院 | Induced draft type auxiliary ventilation direct air cooling system |
Citations (6)
| 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 |
| 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 |
| CN102052857A (en) * | 2009-11-03 | 2011-05-11 | 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 | 双良节能系统股份有限公司 | Adopt natural draft's direct air cooling system |
-
2016
- 2016-07-13 CN CN201610548564.8A patent/CN106052413B/en active Active
Patent Citations (6)
| 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 |
| 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 |
| CN102052857A (en) * | 2009-11-03 | 2011-05-11 | 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 | 双良节能系统股份有限公司 | Adopt natural draft's direct air cooling system |
Cited By (2)
| 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 |
| CN111271983A (en) * | 2020-03-17 | 2020-06-12 | 山西能源学院 | Induced draft type auxiliary ventilation direct air cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106052413B (en) | 2018-11-06 |
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