CN105547004A - Mechanical assisted natural ventilation cooling tower - Google Patents
Mechanical assisted natural ventilation cooling tower Download PDFInfo
- Publication number
- CN105547004A CN105547004A CN201610048472.3A CN201610048472A CN105547004A CN 105547004 A CN105547004 A CN 105547004A CN 201610048472 A CN201610048472 A CN 201610048472A CN 105547004 A CN105547004 A CN 105547004A
- Authority
- CN
- China
- Prior art keywords
- cooling
- cooling tower
- heat abstractor
- column body
- extractor fan
- 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.)
- Pending
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a mechanical assisted natural ventilation cooling tower. The mechanical assisted natural ventilation cooling tower is characterized by comprising a cooling tower body (1), an exhaust device (2) and a cooling device (3); an air inlet (9) is formed in the bottom of the cooling tower body (1); the cooling device (3) surrounds the outer periphery of the cooling tower body (1); the exhaust device (2) is arranged between the cooling tower body (1) and the cooling device (3); and the position of the exhaust device (2) is corresponding to the position of the air inlet (9). As the exhaust device is arranged between the cooling tower body and the cooling device, the suction of the cooling tower is enhanced, the heat exchange capacity of the cooling device is improved, the exhaust condensation of the cooling tower to a gas turbine generator set is enhanced, and the height and the production cost of the cooling tower are reduced; and the mechanical assisted natural ventilation cooling tower is skillful in device design and simple in structure, and has the popularization and application values.
Description
Technical field
The present invention relates to a kind of cooling tower, particularly a kind of machine power assisting natural aerating and cooling tower, belongs to turbine LP rotors cooling tower technical field.
Background technology
At present, in China's water resources shortage area, the steam discharge condensation of turbine LP rotors adopts the indirect air cooling system of this form of cooling stack mostly.The single-machine capacity of current turbine LP rotors is all 600MW and 1000MW usually, for meeting the air capacity of radiator heat exchange needs, the height of cooling stack is usually all at about 185 ~ 215 meters, just there is the problem that cost is higher, difficulty of construction is larger of cooling tower in this, and when running in the winter time, the cooling tower of large draft adds the risk that radiator freezes, and especially undertakes the radiator of the unit of heat supply task winter.
Summary of the invention
The object of the invention is to, a kind of machine power assisting natural aerating and cooling tower is provided, it is by being arranged on the extractor fan between cooling column body and heat abstractor, strengthen cooling tower to the steam discharge condensation of turbine LP rotors, namely the cooling to radiator is strengthened, to reduce the height of cooling tower, thus reduce the construction cost of cooling tower, and apparatus structure is simpler.
Technical scheme of the present invention: a kind of machine power assisting natural aerating and cooling tower, comprise cooling column body, extractor fan and heat abstractor, air inlet is provided with bottom cooling column body, heat abstractor is around being arranged on cooling column body periphery, extractor fan is arranged between cooling column body and heat abstractor, the position of the corresponding air inlet in position of extractor fan.Around arranging extractor fan between cooling column body and heat abstractor, strengthen the draft of cooling tower, improve the exchange capability of heat of heat abstractor, strengthen cooling tower to the steam discharge condensation of turbine LP rotors, thus reduce the height of cooling tower, and then reach the object reducing cooling tower cost.
In aforesaid this machine power assisting natural aerating and cooling tower, extractor fan is the axial flow blower that more than one deck is vertically arranged.When the axial flow blower quantity that extractor fan needs is more, axial flow blower is divided into multilayer, and vertically stacks.
In aforesaid this machine power assisting natural aerating and cooling tower, also comprise supporting base, supporting base is arranged between cooling column body and heat abstractor, and axial flow blower is arranged on supporting base.Axial flow blower is fixed on supporting base, simple and convenient, and cost is low.
In aforesaid this machine power assisting natural aerating and cooling tower, heat abstractor comprises support frame and cooling stud, and cooling stud even level ground is arranged on the support frame.On the support frame, easily construction and maintenance, cooling effect is stablized in cooling stud distribution.
In aforesaid this machine power assisting natural aerating and cooling tower, also comprise shutter, shutter is arranged on outside support frame.During winter, the section that temperature is lower can be stopped transport axial flow blower, then coordinates shutter, reduces the exchange capability of heat of heat abstractor, reaches antifreeze object.
In aforesaid this machine power assisting natural aerating and cooling tower, supporting base and support frame are steel construction.The cost of steel construction is low, and structural stability is high.
Compared with prior art, the present invention is by being arranged on the extractor fan between cooling column body and heat abstractor, strengthen the draft effect of cooling tower, improve the exchange capability of heat of heat abstractor, and then strengthen cooling tower to the steam discharge condensation of turbine LP rotors, to reduce the height of cooling tower, reduce the construction cost of cooling tower, and can reach antifreeze object time in the winter time, whole apparatus structure is simple, design ingenious, be suitable for applying.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is overall structure schematic diagram of the present invention;
Fig. 4 is structural representation of the present invention;
Fig. 5 is the structural representation of heat abstractor.
Being labeled as in accompanying drawing: 1-cooling column body, 2-extractor fan, 3-heat abstractor, 4-axial flow blower, 5-supporting base, 6-support frame, 7-cooling stud, 8-shutter, 9-air inlet.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiments of the invention 1: a kind of machine power assisting natural aerating and cooling tower, comprise cooling column body 1, extractor fan 2 and heat abstractor 3, air inlet 9 is provided with bottom cooling column body 1, heat abstractor 3 is peripheral around being arranged on cooling column body 1, extractor fan 2 is arranged between cooling column body 1 and heat abstractor 3, the position of the corresponding air inlet 9 in position of extractor fan 2.Extractor fan 2 is the two-layer axial flow blower 4 vertically arranged.Two-layer axial flow blower 4 vertically stacks, and air outlet is all towards air inlet 9.
Further, also comprise supporting base 5, supporting base 5 is arranged between cooling column body 1 and heat abstractor 3, and axial flow blower 4 is arranged on supporting base 5.
Wherein, heat abstractor 3 comprises support frame 6 and cooling stud 7, is arranged on support frame 6 to cooling stud 7 even level.The heat exchange effect of heat abstractor 3 is realized by cooling stud 7, and cooling stud 7 is prior art, can buy in market.
Further, also comprise shutter 8, shutter 8 is arranged on outside support frame 6.The good material of effect of heat insulation selected by shutter 8, as glass fibre, asbestos etc.
In addition, supporting base 5 and support frame 6 are steel construction.
Embodiments of the invention 2: a kind of machine power assisting natural aerating and cooling tower, comprise cooling column body 1, extractor fan 2 and heat abstractor 3, air inlet 9 is provided with bottom cooling column body 1, heat abstractor 3 is peripheral around being arranged on cooling column body 1, extractor fan 2 is arranged between cooling column body 1 and heat abstractor 3, the position of the corresponding air inlet 9 in position of extractor fan 2.The axial flow blower 4 that extractor fan 2 is vertically arranged for one deck.The air outlet of axial flow blower 4 is towards air inlet 9.
Further, also comprise supporting base 5, supporting base 5 is arranged between cooling column body 1 and heat abstractor 3, and axial flow blower 4 is arranged on supporting base 5.
Wherein, heat abstractor 3 comprises support frame 6 and cooling stud 7, is arranged on support frame 6 to cooling stud 7 even level.The heat exchange effect of heat abstractor 3 is realized by cooling stud 7, and cooling stud 7 is prior art, can buy in market.
Further, also comprise shutter 8, shutter 8 is arranged on outside support frame 6.The good material of effect of heat insulation selected by shutter 8, as glass fibre, asbestos etc.
In addition, supporting base 5 and support frame 6 are steel construction.
Embodiments of the invention 3: a kind of machine power assisting natural aerating and cooling tower, comprise cooling column body 1, extractor fan 2 and heat abstractor 3, air inlet 9 is provided with bottom cooling column body 1, heat abstractor 3 is peripheral around being arranged on cooling column body 1, extractor fan 2 is arranged between cooling column body 1 and heat abstractor 3, the position of the corresponding air inlet 9 in position of extractor fan 2.Extractor fan 2 is the two-layer axial flow blower 4 vertically arranged.Two-layer axial flow blower 4 vertically stacks, and air outlet is all towards air inlet 9.
Further, also comprise supporting base 5, supporting base 5 is arranged between cooling column body 1 and heat abstractor 3, and axial flow blower 4 is arranged on supporting base 5.
Wherein, heat abstractor 3 comprises support frame 6 and cooling stud 7, is arranged on support frame 6 to cooling stud 7 even level.The heat exchange effect of heat abstractor 3 is realized by cooling stud 7, and cooling stud 7 is prior art, can buy in market.
Further, also comprise shutter 8, shutter 8 is arranged on outside support frame 6.The good material of effect of heat insulation selected by shutter 8, as glass fibre, asbestos etc.
Using method of the present invention: during summer, at the section that ambient air temperature is high, open axial flow blower 4 and add forced ventilation, strengthen the draft effect of cooling tower, improve the exchange capability of heat of heat abstractor 3, during winter, at the section that ambient air temperature is low, stoppage in transit axial flow blower 4, and coordinate with shutter 8, reduce the draft effect of cooling tower, reduce the exchange capability of heat of heat abstractor 3, reach antifreeze object.
Claims (6)
1. a machine power assisting natural aerating and cooling tower, it is characterized in that, comprise cooling column body (1), extractor fan (2) and heat abstractor (3), cooling column body (1) bottom is provided with air inlet (9), heat abstractor (3) is peripheral around being arranged on cooling column body (1), extractor fan (2) is arranged between cooling column body (1) and heat abstractor (3), the position of the corresponding air inlet (9) in position of extractor fan (2).
2. machine power assisting natural aerating and cooling tower according to claim 1, is characterized in that, the axial flow blower (4) of extractor fan (2) for more than one deck vertically arranging.
3. machine power assisting natural aerating and cooling tower according to claim 2, it is characterized in that, also comprise supporting base (5), supporting base (5) is arranged between cooling column body (1) and heat abstractor (3), and axial flow blower (4) is arranged on supporting base (5).
4. machine power assisting natural aerating and cooling tower according to claim 1, it is characterized in that, heat abstractor (3) comprises support frame (6) and cooling stud (7), is arranged on support frame (6) to cooling stud (7) even level.
5. machine power assisting natural aerating and cooling tower according to claim 4, is characterized in that, also comprises shutter (8), and shutter (8) is arranged on support frame (6) outside.
6. the machine power assisting natural aerating and cooling tower according to claim 3,4 or 5, is characterized in that, supporting base (5) and support frame (6) are steel construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048472.3A CN105547004A (en) | 2016-01-25 | 2016-01-25 | Mechanical assisted natural ventilation cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048472.3A CN105547004A (en) | 2016-01-25 | 2016-01-25 | Mechanical assisted natural ventilation cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105547004A true CN105547004A (en) | 2016-05-04 |
Family
ID=55826374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610048472.3A Pending CN105547004A (en) | 2016-01-25 | 2016-01-25 | Mechanical assisted natural ventilation cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105547004A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120980A (en) * | 2017-04-20 | 2017-09-01 | 华北电力大学 | Vertically arranged mixed ventilation direct air cooling system outside a kind of air cooling tubes condenser tower |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2279048A1 (en) * | 1973-12-28 | 1976-02-13 | Pana Peter | Cooling of liquid or condensation of steam - with media sealed inside container or conveyed through system of pipes |
| US4164256A (en) * | 1976-08-16 | 1979-08-14 | Kraftwerk Union Aktiengesellschaft | Cooling tower with forced ventilation and natural draft |
| CN101614486A (en) * | 2009-07-22 | 2009-12-30 | 北京布鲁斯盖环保科技发展有限公司 | Mechanical draft indirect dry cooling system |
| CN201497387U (en) * | 2009-05-08 | 2010-06-02 | 北京布鲁斯盖环保科技发展有限公司 | Direct air cooling system for combined ventilation of heat power plant |
| CN102353278A (en) * | 2011-08-13 | 2012-02-15 | 双良节能系统股份有限公司 | Dry cooling tower integrated by natural ventilation and mechanical ventilation |
| CN102401581A (en) * | 2011-07-27 | 2012-04-04 | 中国电力工程顾问集团西北电力设计院 | Mixed ventilation indirect cooling tower system and cooling method thereof |
| CN202547435U (en) * | 2012-03-19 | 2012-11-21 | 中机国能电力工程有限公司 | Auxiliary natural-ventilation cooling tower |
| CN103712473A (en) * | 2012-10-08 | 2014-04-09 | 李宁 | Boosted-ventilation direct air cooling tower |
-
2016
- 2016-01-25 CN CN201610048472.3A patent/CN105547004A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2279048A1 (en) * | 1973-12-28 | 1976-02-13 | Pana Peter | Cooling of liquid or condensation of steam - with media sealed inside container or conveyed through system of pipes |
| US4164256A (en) * | 1976-08-16 | 1979-08-14 | Kraftwerk Union Aktiengesellschaft | Cooling tower with forced ventilation and natural draft |
| CN201497387U (en) * | 2009-05-08 | 2010-06-02 | 北京布鲁斯盖环保科技发展有限公司 | Direct air cooling system for combined ventilation of heat power plant |
| CN101614486A (en) * | 2009-07-22 | 2009-12-30 | 北京布鲁斯盖环保科技发展有限公司 | Mechanical draft indirect dry cooling system |
| CN102401581A (en) * | 2011-07-27 | 2012-04-04 | 中国电力工程顾问集团西北电力设计院 | Mixed ventilation indirect cooling tower system and cooling method thereof |
| CN102353278A (en) * | 2011-08-13 | 2012-02-15 | 双良节能系统股份有限公司 | Dry cooling tower integrated by natural ventilation and mechanical ventilation |
| CN202547435U (en) * | 2012-03-19 | 2012-11-21 | 中机国能电力工程有限公司 | Auxiliary natural-ventilation cooling tower |
| CN103712473A (en) * | 2012-10-08 | 2014-04-09 | 李宁 | Boosted-ventilation direct air cooling tower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120980A (en) * | 2017-04-20 | 2017-09-01 | 华北电力大学 | Vertically arranged mixed ventilation direct air cooling system outside a kind of air cooling tubes condenser tower |
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Application publication date: 20160504 |
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| RJ01 | Rejection of invention patent application after publication |