CN102252532B - Electric wind-shielding attemperator - Google Patents
Electric wind-shielding attemperator Download PDFInfo
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- CN102252532B CN102252532B CN 201110168185 CN201110168185A CN102252532B CN 102252532 B CN102252532 B CN 102252532B CN 201110168185 CN201110168185 CN 201110168185 CN 201110168185 A CN201110168185 A CN 201110168185A CN 102252532 B CN102252532 B CN 102252532B
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Abstract
The invention relates to the technical field of direct air cooling of power stations and petrochemical industry, in particular to an electric wind-shielding attemperator, which is characterized in that a steam pipeline is provided with a drive motor, a coiling cylinder, and a reel, one end of wind-shielding cloth is connected with the coiling cylinder, and the other end is fixedly connected with a sliding shaft through a guiding shaft, and two ends of the sliding shaft are erected on a straightened steel cable track by pulleys. The drive motor, a motor side gear, a driving chain, a reel side gear, a reel bearing, the coiling cylinder, the reel, the wind-shielding cloth, a guiding axle bearing, a guiding axle, a steel cable, a steam pipeline and a reel frame are positioned above a heat exchange pipe bundle of a condenser. The pulleys, a sliding axle, a condensed water header, an air-cooling support steel frame, a fan and an air-cooling platform are positioned under the heat exchange pipe bundle of the condenser. The electric wind-shielding attemperator provided by the invention has advantages of simple structure, low cost, and convenience for operation and use, and can be used for alleviating air cross-ventilation of the heat exchange pipe bundle of the condenser to prevent the pipe bundle from freeze.
Description
Technical field: the present invention relates to power plant, the direct air-cooled technology of petrochemical industry field, be specially electric wind-shielding attemperator.
Background technology: the direct air cooled condenser system is passed into (heat exchange tube of condenser bundle end is the many heat exchangers that steel tube is arranged together) in the heat exchange tube of condenser bundle end with the steam that steam turbine is discharged, cross the heat-exchanging tube bundle outer surface by the axial flow blower forced air flow that is arranged under the heat-exchanging tube bundle, realize the heat exchange of steam and air, thereby with steam-condensation Cheng Shui, namely adopt the technical process of the direct condensed steam of air.Under different environment temperatures, reach the requirement of satisfying steam-condensation by the air output of adjusting blower fan, when environment temperature is hanged down to a certain extent, because direct air cooled condenser is installed on outdoor tens meters high air cooling platforms, stop the blower fan air-supply, still have certain natural wind speed, only rely on the natural air convection current can satisfy the requirement of steam-condensation.At northern area, the winter environment temperature is lower, when quantity of steam is less, stop fan operation, thereby natural air makes the condensate water in the heat exchange tube of condenser bundle end freeze to block pipeline to failing to be convened for lack of a quorum, therefore, just need to reduce the cross-ventilation between heat exchange tube of condenser bundle end winter in this class area, prevent from restraining and freeze.
At present, the antifreezing measures of the air cooling device of going into operation at northern area only rely on manually at tube bank loam cake cotton-wadded quilt, or the shutoff air inlet, reduce flowing of air, large, the consuming time length of this mode workload, poor stability and operate dangerous.Do not find to have to solve this type of technical scheme through State Patent Office's CD query and search.
Summary of the invention: the object of the present invention is to provide a kind of simple in structure, with low cost, easy for operation, use flexibly, save time, laborsaving, can prevent from restraining the electric wind-shielding attemperator that freezes.The object of the present invention is achieved like this: it comprises drive motors, driving-chain, reel, spool, the cloth that keeps out the wind, the axis of guide, wirerope, pulley, sliding axle, heat exchange tube of condenser bundle, condensate water header, air cooling supporting steel frame, air cooling platform, jet chimney, scroll support, it is characterized in that: described drive motors, reel, spool are arranged on the jet chimney; Drive motors, motor side gear, driving-chain, spool side gear, spool bearing, reel, spool, the cloth that keeps out the wind, axis of guide bearing, the axis of guide, wirerope, jet chimney, scroll support are arranged on the top of heat exchange tube of condenser bundle, and condensate water header, air cooling supporting steel frame, blower fan, air cooling platform are arranged on the below of heat exchange tube of condenser bundle; The axis of guide is located on the jet chimney through axis of guide bearing, and two parallel, stretching described wirerope two ends and heat exchange tube of condenser bundle end are connected and fixed; Described wirerope and heat exchange tube of condenser bundle have certain spacing, and middle without bracing frame, do not affect the heat exchange tube of condenser bundle; Cloth one end that keeps out the wind is connected with reel, and the other end is fixedly connected with sliding axle through the axis of guide, and the sliding axle two ends are located on described two parallel, stretching wireropes through pulley yoke.Advantage of the present invention is: with low cost, easy for operation, can reduce the cross-ventilation of heat exchange tube of condenser bundle end, and prevent from restraining and freeze.The present invention is by the electric motor driven wind-shielding attemperator of a cover, be installed in the direct air cooling condenser A-shaped frame outside, can be as required local or all hide A type frame bank of condenser pipes, stop the cold air convection between air cooling tubes condenser tube bank fin, to reach the purpose of heat-preserving anti-freezing.Every A type frame bank of condenser pipes all configures the independent cloth that keeps out the wind, and motor torque is little when rolling, and the cloth lower end of keeping out the wind is fixed on the sliding axle, is subjected to large wind effect less, and the cloth that keeps out the wind is difficult for sideslip.It is outside that wind-shielding attemperator is installed in condenser A type frame, and heat insulation effect is better, and operation and maintenance is more convenient.Simple in structure, running resistance is little, and it is less that a whole set of direct air cooling system bank of condenser pipes need configure Vidacare corp, does not interfere with each other with other equipment.
Description of drawings: Fig. 1 is the structural principle schematic diagram that the present invention installs above direct air cooled condenser heat-exchanging tube bundle end; Fig. 2 is structural principle schematic diagram of the present invention; Fig. 3 is 1 motor-driven of the present invention, 2 cover wind-shielding attemperator structural principle schematic diagrames.
The specific embodiment: it comprises drive motors 1, driving-chain 3, reel 6, spool 7, the cloth 8 that keeps out the wind, the axis of guide 10, wirerope 11, pulley 12, sliding axle 13, heat exchange tube of condenser bundle 14, condensate water header 16, air cooling supporting steel frame 17, air cooling platform 19, jet chimney 20, scroll support 21, it is characterized in that: described drive motors 1, reel 6, spool 7 are arranged on the jet chimney 20; Drive motors 1, motor side gear 2, driving-chain 3, spool side gear 4, spool bearing 5, reel 6, spool 7, the cloth 8 that keeps out the wind, axis of guide bearing 9, the axis of guide 10, wirerope 11, jet chimney 20, scroll support 21 are arranged on the top of heat exchange tube of condenser bundle 14, and condensate water header 16, air cooling supporting steel frame 17, blower fan 18, air cooling platform 19 are arranged on the below of heat exchange tube of condenser bundle 14; The axis of guide 10 is located on the jet chimney 20 through axis of guide bearing 9, and two parallel, stretching described wirerope 11 two ends and heat exchange tube of condenser bundle end 15 are connected and fixed; Described wirerope 11 has certain spacing with heat exchange tube of condenser bundle 14, and middle without bracing frame, does not affect heat exchange tube of condenser bundle 14; Cloth 8 one ends that keep out the wind are connected with reel 6, and the other end is fixedly connected with sliding axle 13 through the axis of guide 10, and sliding axle 13 two ends are located on described two parallel, stretching wireropes 11 through pulley yoke.Operation principle of the present invention and the course of work are: the described cloth that keeps out the wind adopts light weight, waterproof, stuffy, cold-resistant heat-resisting, the indeformable canvas of stretching resistance or felt-cloth.Drive motors adopts slowspeed machine, and motor can be realized remote control and the control of distant place control system.Drive motors links to each other with spool by driving-chain, realizes that 1 motor-driven overlaps wind-shielding attemperator more.Described scroll support is that steel structure is welded on the jet chimney, and drive motors and spool bearing are installed on the scroll support.Rolling bearing is established at the spool two ends, and spool can be rotated, and drive motors adopts slowspeed machine, links to each other with spool by driving-chain, drives spool and rotates.Pulley is installed at the sliding axle two ends, and pulley yoke is located on two stretching, parallel wirerope tracks, and sliding axle is free to slide at wirerope.Cloth one end that keeps out the wind is fixed on the reel, and reel links to each other with spool, and the motor-driven spool rotates the cloth that will keep out the wind and rolls on reel; The cloth other end that keeps out the wind is fixed on the sliding axle, and sliding axle has certain weight, and along the wirerope down sliding, the Bradley that will keep out the wind is smooth under the sliding axle Action of Gravity Field.The axis of guide makes the cloth that keeps out the wind near air cooling tubes condenser heat-exchanging tube bundle end, and rolling bearing is established at axis of guide two ends freely rotates the axis of guide, the friction of reduce to keep out the wind cloth and the axis of guide.Electric wind-shielding attemperator of the present invention is installed in 15 tops, air cooling tubes condenser heat-exchanging tube bundle end, scroll support 21 is installed on the jet chimney 20, the reel 6 pulleying axle bearing 5 that is connected with spool 7 is installed on the scroll support 21, cloth 8 one ends that keep out the wind are fixed on the reel 6, reel 6 links to each other with spool 7, drive motors 1 drives reels 6 by driving-chain 3 and rotates, the cloth 8 of realizing that drive motors 1 is rolled and release is kept out the wind; Cloth 8 other ends that keep out the wind are fixed on the sliding axle 13, and sliding axle 13 is erected on the stretching wirerope track 11 by pulley 12, and under the Action of Gravity Field of sliding axle 13, sliding axle 13 is along wirerope 11 down slidings, and the cloth 8 that will keep out the wind is evened up whole, and device structure as shown in Figure 2.
When environment temperature low, need stop that cold air flows through heat exchange tube of condenser bundle end 15, when tube bank is incubated, drive motors 1 forward, reel 6 and spool 7 rotate and discharge the cloth 8 that keeps out the wind, keep out the wind cloth 8 under the Action of Gravity Field of sliding axle 13, move down until condensate water header 16 covers heat exchange tube of condenser bundle end 15 fully along wirerope 11.
When need increase the cold air convection of heat exchange tube of condenser bundle end 15, drive motors 1 counter-rotating, reel 6 and spool 7 rotate rolls the cloth 8 that keeps out the wind, and the cloth 8 that keeps out the wind draws sliding axle 13 to move up until jet chimney 20 along wirerope 11.
Air cooling tubes condenser heat-exchanging tube bundle end 15 transverse widths are larger, cloth 8 width that keep out the wind are unsuitable excessive, therefore reel 6, spool 7, spool bearing 5, the axis of guide 10, axis of guide bearing 9, wirerope 11, pulley 12, sliding axles 13 etc. are overlapped in configuration more, adjacent several spool 7 is linked together, and guarantee that reel 6, spool 7 and spool bearing 5 are on same axis, adopt 1 drive motors 1 to drive these spools 7, realize that 1 motor-driven overlaps reel more, reach simultaneously the heat-preserving anti-freezing that keeps out the wind to the heat exchange tube of condenser bundle end of same area, structure as shown in Figure 3.
Claims (1)
1. electric wind-shielding attemperator, it comprises drive motors, driving-chain, reel, spool, the cloth that keeps out the wind, the axis of guide, wirerope, pulley, sliding axle, heat exchange tube of condenser bundle, condensate water header, air cooling supporting steel frame, air cooling platform, jet chimney, scroll support, it is characterized in that: described drive motors, reel, spool are arranged on the jet chimney; Drive motors, motor side gear, driving-chain, spool side gear, spool bearing, reel, spool, the cloth that keeps out the wind, axis of guide bearing, the axis of guide, wirerope, jet chimney, scroll support are arranged on the top of heat exchange tube of condenser bundle, and condensate water header, air cooling supporting steel frame, blower fan, air cooling platform are arranged on the below of heat exchange tube of condenser bundle; The axis of guide is located on the jet chimney through axis of guide bearing, and two parallel, stretching described wirerope two ends and heat exchange tube of condenser bundle end are connected and fixed; Described wirerope and heat exchange tube of condenser bundle have certain spacing, and middle without bracing frame, do not affect the heat exchange tube of condenser bundle; Cloth one end that keeps out the wind is connected with reel, and the other end is fixedly connected with sliding axle through the axis of guide, and the sliding axle two ends are located on described two parallel, stretching wireropes through pulley yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110168185 CN102252532B (en) | 2011-06-22 | 2011-06-22 | Electric wind-shielding attemperator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110168185 CN102252532B (en) | 2011-06-22 | 2011-06-22 | Electric wind-shielding attemperator |
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| Publication Number | Publication Date |
|---|---|
| CN102252532A CN102252532A (en) | 2011-11-23 |
| CN102252532B true CN102252532B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110168185 Active CN102252532B (en) | 2011-06-22 | 2011-06-22 | Electric wind-shielding attemperator |
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| CN (1) | CN102252532B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111121482B (en) * | 2020-01-07 | 2022-01-25 | 通辽霍林河坑口发电有限责任公司 | Air cooling island anti-freezing and back pressure automatic control method under deep peak regulation in extremely cold area |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2330919Y (en) * | 1998-03-26 | 1999-07-28 | 哈尔滨空调股份有限公司 | Wet type air conditioner draught baffle device |
| CN1858536A (en) * | 2006-05-26 | 2006-11-08 | 江苏双良空调设备股份有限公司 | Power station direct air cooling condenser mounted with air inlet guide flow device |
| CN201306934Y (en) * | 2008-11-12 | 2009-09-09 | 江苏双良空调设备股份有限公司 | Wind-shielding blade-type wind shield for direct air-cooling condenser |
| CN201306935Y (en) * | 2008-11-12 | 2009-09-09 | 江苏双良空调设备股份有限公司 | Wind-shielding blade-type wind shield for direct air-cooling condenser |
| CN202141350U (en) * | 2011-06-22 | 2012-02-08 | 哈尔滨空调股份有限公司 | Electric wind screen heat insulation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005024155B4 (en) * | 2005-05-23 | 2009-09-03 | Gea Energietechnik Gmbh | condensation plant |
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2011
- 2011-06-22 CN CN 201110168185 patent/CN102252532B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2330919Y (en) * | 1998-03-26 | 1999-07-28 | 哈尔滨空调股份有限公司 | Wet type air conditioner draught baffle device |
| CN1858536A (en) * | 2006-05-26 | 2006-11-08 | 江苏双良空调设备股份有限公司 | Power station direct air cooling condenser mounted with air inlet guide flow device |
| CN201306934Y (en) * | 2008-11-12 | 2009-09-09 | 江苏双良空调设备股份有限公司 | Wind-shielding blade-type wind shield for direct air-cooling condenser |
| CN201306935Y (en) * | 2008-11-12 | 2009-09-09 | 江苏双良空调设备股份有限公司 | Wind-shielding blade-type wind shield for direct air-cooling condenser |
| CN202141350U (en) * | 2011-06-22 | 2012-02-08 | 哈尔滨空调股份有限公司 | Electric wind screen heat insulation device |
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| CN102252532A (en) | 2011-11-23 |
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