CN100451521C - Power station direct air cooling condenser mounted with air inlet guide flow device - Google Patents
Power station direct air cooling condenser mounted with air inlet guide flow device Download PDFInfo
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- CN100451521C CN100451521C CNB200610040699XA CN200610040699A CN100451521C CN 100451521 C CN100451521 C CN 100451521C CN B200610040699X A CNB200610040699X A CN B200610040699XA CN 200610040699 A CN200610040699 A CN 200610040699A CN 100451521 C CN100451521 C CN 100451521C
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Abstract
The present invention relates to a power station direct air cooling condenser mounted with an air inlet flow guide device, which is suitable for a power generation plant which lacks water sources. The present invention comprises a heat exchange tube bundle, a windscreen wall (1), a blower group (2), a platform (3) with a steel structure and a vertical column (4), wherein the platform (3) with a steel structure is upwards connected with the vertical column (4), and the heat exchange tube bundle and the blower group (2) are arranged on the platform (3) with a steel structure. The blower group (2) is arranged below the heat exchange tube bundle, and the windscreen wall (1) is vertically and upwards arranged on the periphery of the platform (3) with a steel structure. The present invention is characterized in that an air inlet flow guide device (5) is vertically and downwards arranged on the periphery of the platform (3) with a steel structure below the windscreen wall (1). The present invention is used for altering the direction of air when the air enters a blower sucking port on the periphery of the air cooling condenser, and harmful natural air is converted into useful natural air. Thus, the present invention improves the properties of the air cooling condenser, ensures the safe operation of a power station, and simultaneously and greatly reduces investment cost and operation cost.
Description
Technical field:
The present invention relates to a kind of air cooling tubes condenser.Particularly relate to a kind of power station direct air-cooling condenser that installs air intake guide device additional.Be applicable to the heat power station of water scarcity.Belong to technical field of refrigeration equipment.
Background technology:
The power station direct air-cooling condenser is made up of heat-exchanging tube bundle, blower fan group, steel structure platform, windbreak, jet chimney, condensing water conduit and electric control system etc.The air cooling tubes condenser of a large-scale power station has tens typhoon machines to combine heat exchanging tube bank to dry, the heat of steam in heat-exchanging tube bundle that generator is come blows away, make steam condense into water, move in design load with the steady pressure jar that keeps generating set.Because a lot of blower fans is arranged together, the air quantity of required cooling usefulness is very big, the air intake of air cooling tubes condenser surrounding has formed certain wind speed, the wind-force of parallel direction has played ill-effect at the blower fan suction inlet of vertical direction, the blower fan exhaust capacity of periphery is descended, the heat exchange efficiency of the heat-exchanging tube bundle of this blower fan correspondence is descended.When the wind-force of natural wind increases, after the air draught effect and natural wind addition of blower fan, the wind speed of air cooling tubes condenser periphery is higher, can cause peripheral blower fan suction inlet to form negative pressure, the decrease in efficiency of blower fan, can cause the peripheral air cooling of air cooling tubes condenser unit air to pour in down a chimney phenomenon when serious, this air cooling unit is quit work, and cause hot air reflux, the heat exchange efficiency of whole air cooling tubes condenser is descended, condensing pressure is risen, reduce generated energy, can influence the safety of electric turbine when the natural wind wind speed is higher.In order to address the above problem, can only when design, adopt the quantity that increases heat exchange area and increase blower fan to solve, but can increase cost of investment and operating cost like this, increase difficulty to preventing freeze in winter again.Another kind method is that the power of the blower fan of air cooling tubes condenser blower fan group periphery is strengthened, and changes by the rotating speed that strengthens blower fan when strong wind and pours in down a chimney phenomenon.But it has increased cost of investment simultaneously, has increased operating cost during motion, and in when operation because rotation speed of fan improves, increased environmental noise greatly, influenced environment.As from the foregoing, the influence of natural strong wind is a difficult problem, and according to different wind directions, natural wind does not wait from 4%～20% the performance impact of air cooling tubes condenser, and the big more influence of wind speed is big more even reach 40%.
Summary of the invention:
The objective of the invention is to overcome above-mentioned deficiency, a kind of heat exchange property that can improve air cooling tubes condenser is provided, reduce the power station direct air-cooling condenser that has air intake guide device of cost of investment and operating cost simultaneously greatly.
The object of the present invention is achieved like this: a kind of power station direct air-cooling condenser that installs air intake guide device additional, comprise heat-exchanging tube bundle, windbreak, the blower fan group, steel structure platform and column, the steel structure platform bottom is connected on the column, heat-exchanging tube bundle and blower fan group are arranged on the steel structure platform, the blower fan group is arranged in the heat-exchanging tube bundle below, windbreak vertically upwards is arranged in the periphery of steel structure platform, it is characterized in that: the periphery of the steel structure platform of windbreak below vertically is furnished with air intake guide device downwards, be used to change the direction that air enters the peripheral blower fan suction inlet of air cooling tubes condenser, make harmful natural wind become useful natural wind, improve the performance of air cooling tubes condenser, guarantee the power plant safety operation, reduce cost of investment and operating cost simultaneously greatly.
The power station direct air-cooling condenser of air intake guide device is installed in the present invention additional, described air intake guide device is made up of the some connecting rods and the control lever of several blades and connection blade, some connecting rods vertically are arranged in the periphery of steel structure platform downwards, parallelly on each connecting rod be hinged with a plurality of blades, a plurality of blades connect with control lever, blade has the oblique downward installation of certain angle, and angle is taken out control lever control after should calculating according to the meteorological condition of locality.During air process blade,, make the suction inlet of air guide blower fan through the guide functions of blade.When natural wind strengthened, the effect meeting of wind-force rushed at blower fan with air conducting, and promote blower fan and rotate, thus the power of minimizing blower fan.
The power station direct air-cooling condenser of air intake guide device is installed in the present invention additional, above-mentioned control lever is connected with manual or automatic governor motion, can be manual when the staff operates or the angle of automatic adjusting vane according to different wind speed, make the wind-guiding effect of blade be in best duty.
When the blower fan of air cooling tubes condenser all started, the air of most of blower fan flow through from the guiding device bottom, and the blower fan inhaled air around the blower fan group periphery imports blower fan through the blade of air intake guide device.Having changed original blower fan group periphery blower fan suction inlet all around like this is the phenomenon of negative pressure, originally the negative pressuren zone of the peripheral blower fan suction inlet of blower fan group has been shifted to the bottom of blade, negative pressuren zone moves down like this, do not influence the suction air quantity of the peripheral blower fan of blower fan group, guaranteed that the whole of air cooling tubes condenser blower fan group evenly operate at full capacity.
Description of drawings:
Fig. 1 is a power station direct air-cooling condenser structural representation in the past.
Fig. 2 installs the power station direct air-cooling condenser structural representation of air intake guide device additional for the present invention.
Fig. 3 is connecting rod of the present invention and blade and control lever connection diagram one.
Fig. 4 is connecting rod of the present invention and blade and control lever connection diagram two.
The specific embodiment:
Referring to Fig. 2, the power station direct air-cooling condenser of air intake guide device is installed in the present invention additional, mainly by compositions such as heat-exchanging tube bundle (placing in the windbreak, not shown), windbreak 1, blower fan group 2, steel structure platform 3, column 4, air intake guide device 5, jet chimney, condensing water conduit and electric control system (not shown)s.Steel structure platform 3 bottoms are connected on the column 4.Heat-exchanging tube bundle and blower fan group 2 are arranged on the steel structure platform 3, and blower fan group 2 is arranged in the heat-exchanging tube bundle below.Windbreak 1 vertically upwards is arranged in the periphery of steel structure platform 3.Air intake guide device 5 vertically is arranged in steel structure platform 3 peripheries of windbreak 1 below downwards.
Referring to Fig. 3,4, described air intake guide device 5 is made up of the some connecting rods 5.2 and the control lever 5.3 of several blades 5.1 and connection blade 5.1, some connecting rods 5.2 vertically are arranged in the periphery of steel structure platform 3 downwards, parallelly on each connecting rod 5.2 be hinged with a plurality of blades 5.1, a plurality of blade 5.1 usefulness control levers 5.3 connect, and the angle of blade 5.1 is oblique downwards.Control lever 5.3 is connected with manual or automatic governor motion.
Described blade can be the plane, as Fig. 3, can be arc also, as Fig. 4.
Claims (4)
1, a kind of power station direct air-cooling condenser that installs air intake guide device additional, comprise heat-exchanging tube bundle, windbreak (1), blower fan group (2), steel structure platform (3) and column (4), steel structure platform (3) bottom is connected on the column (4), heat-exchanging tube bundle and blower fan group (2) are arranged on the steel structure platform (3), blower fan group (2) is arranged in the heat-exchanging tube bundle below, windbreak (1) vertically upwards is arranged in the periphery of steel structure platform (3), it is characterized in that: steel structure platform (3) periphery of windbreak (1) below vertically is furnished with air intake guide device (5) downwards.
2, the power station direct air-cooling condenser that installs air intake guide device additional according to claim 1, it is characterized in that: described air intake guide device (5) is made up of the some connecting rods (5.2) and the control lever (5.3) of several blades (5.1) and connection blade (5.1), some connecting rods (5.2) vertically are arranged in the periphery of steel structure platform (3) downwards, each connecting rod (5.2) is gone up the parallel a plurality of blades (5.1) that are hinged with, a plurality of blades (5.1) connect with control lever (5.3), and the angle of blade (5.1) is oblique downwards.
3, the power station direct air-cooling condenser that installs air intake guide device additional according to claim 2 is characterized in that: described control lever (5.3) is connected with manual or automatic governor motion.
4, according to claim 2 or the 3 described power station direct air-cooling condensers that install air intake guide device additional, it is characterized in that: described blade be the plane or arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610040699XA CN100451521C (en) | 2006-05-26 | 2006-05-26 | Power station direct air cooling condenser mounted with air inlet guide flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610040699XA CN100451521C (en) | 2006-05-26 | 2006-05-26 | Power station direct air cooling condenser mounted with air inlet guide flow device |
Publications (2)
| Publication Number | Publication Date |
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| CN1858536A CN1858536A (en) | 2006-11-08 |
| CN100451521C true CN100451521C (en) | 2009-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200610040699XA Active CN100451521C (en) | 2006-05-26 | 2006-05-26 | Power station direct air cooling condenser mounted with air inlet guide flow device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019180581A1 (en) * | 2018-03-19 | 2019-09-26 | Ormat Technolgies Inc. | Wind guiding vane apparatus |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566012B (en) * | 2009-06-03 | 2011-01-26 | 中国电力工程顾问集团西北电力设计院 | Air cooling device bracket for large-size thermal power plant |
| CN102012186B (en) * | 2010-11-18 | 2012-07-04 | 华北电力大学 | Crown-shaped cooling air deflector of direct air cooling unit |
| CN102155850B (en) * | 2011-05-06 | 2012-07-25 | 哈尔滨工业大学（威海） | Direct air cooling island windbreak deflecting device for power station |
| CN102252532B (en) * | 2011-06-22 | 2013-01-09 | 哈尔滨空调股份有限公司 | Electric wind-shielding attemperator |
| CN103278025B (en) * | 2013-06-03 | 2016-02-03 | 国电龙源电力技术工程有限责任公司 | For the control wind guiding device of air cooling island of power plant |
| CN104180682B (en) * | 2014-07-21 | 2016-04-20 | 华北电力大学 | For the fixed structure of direct air cooling system surroundings wind field inducing device locus |
| CN104654891A (en) * | 2015-02-10 | 2015-05-27 | 重庆蜀东天益空气冷却器有限公司 | Air cooler wind-break wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3515441A1 (en) * | 1985-04-29 | 1986-10-30 | Dieter Prof. Dr.-Ing. 7500 Karlsruhe Wurz | Blower cooler |
| JPH11142067A (en) * | 1997-11-07 | 1999-05-28 | Nkk Corp | Air-cooled steam condensing apparatus and method for operating it |
| CN1320206A (en) * | 1999-08-10 | 2001-10-31 | Gea能量技术有限公司 | Installation for steam condensation |
| JP2002122387A (en) * | 2000-10-13 | 2002-04-26 | Hitachi Eng Co Ltd | Air-cooling type heat exchanger |
| CN200955911Y (en) * | 2006-05-26 | 2007-10-03 | 江苏双良空调设备股份有限公司 | Power station direct air-cooled condenser with air guide device |
-
2006
- 2006-05-26 CN CNB200610040699XA patent/CN100451521C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3515441A1 (en) * | 1985-04-29 | 1986-10-30 | Dieter Prof. Dr.-Ing. 7500 Karlsruhe Wurz | Blower cooler |
| JPH11142067A (en) * | 1997-11-07 | 1999-05-28 | Nkk Corp | Air-cooled steam condensing apparatus and method for operating it |
| CN1320206A (en) * | 1999-08-10 | 2001-10-31 | Gea能量技术有限公司 | Installation for steam condensation |
| JP2002122387A (en) * | 2000-10-13 | 2002-04-26 | Hitachi Eng Co Ltd | Air-cooling type heat exchanger |
| CN200955911Y (en) * | 2006-05-26 | 2007-10-03 | 江苏双良空调设备股份有限公司 | Power station direct air-cooled condenser with air guide device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019180581A1 (en) * | 2018-03-19 | 2019-09-26 | Ormat Technolgies Inc. | Wind guiding vane apparatus |
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| CN1858536A (en) | 2006-11-08 |
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Owner name: SHUANGLIANG ECO-ENERGEY SYSTEMS CO.,LTD. Free format text: FORMER OWNER: SHUANGLIANG AIR CONDITIONING EQUIPMENT CO LTD, JIANGSU Effective date: 20100909 |
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Effective date of registration: 20100909 Address after: 214444 Li Gang Town, Jiangsu City, Jiangyin Province Patentee after: Shuangliang Energy Saving System Co., Ltd. Address before: 214444 Li Gang Town, Jiangsu City, Jiangyin Province Patentee before: Shuangliang Air Conditioning Equipment Co., Ltd., Jiangsu |