CN102419112A - Diversion device for environmental wind outside vertically arranged air-cooled radiator of indirect air cooling system - Google Patents
Diversion device for environmental wind outside vertically arranged air-cooled radiator of indirect air cooling system Download PDFInfo
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- CN102419112A CN102419112A CN2011103912392A CN201110391239A CN102419112A CN 102419112 A CN102419112 A CN 102419112A CN 2011103912392 A CN2011103912392 A CN 2011103912392A CN 201110391239 A CN201110391239 A CN 201110391239A CN 102419112 A CN102419112 A CN 102419112A
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Abstract
The invention discloses a diversion device for environmental wind outside a vertically arranged air-cooled radiator of an indirect air cooling system, and belongs to the field of power station cooling systems. The diversion device for the environmental wind consists of six diversion flat plates which are uniformly distributed on the periphery of the windward side of the air-cooled radiator to form a fan shape, wherein the diversion flat plates have an equal height; the tops of the diversion flat plates are parallel to the upper edge of a cooling triangle of the air-cooled radiator; the widths of the diversion flat plates are sequentially gradually decreased from the far end to near end of a wind field; and the diversion flat plates keep a certain identical distance away from the inlet surface of the cooling triangle of the air-cooled radiator. By the diversion device for the environmental wind field outside the air-cooled radiator, after oncoming transversal wind which flows approximately in parallel from the air-cooled radiator is diverted by the diversion flat plates, the pressure of air at an inlet of the cooling triangle is increased, and the air enters the air-cooled radiator in a direction approximately vertical to the inlet surface of the cooling triangle, thereby making the cooling air flow of the cooling triangle in different sector more uniform and improving the radiation performance of the air-cooled radiator.
Description
Technical field
The invention belongs to the power station field of cooling.Be particularly related to the vertical arranged type air cooling heat radiator of a kind of indirect air cooling system external environment wind guiding device.Be to utilize the fan-shaped water conservancy diversion flat board that is arranged in the different size of air cooling heat radiator cooling triangle import specifically; Carry out the guiding of air cooling heat radiator external environment wind field; Thereby realize rationally utilizing the surroundings wind field energy; Reduce the Air-cooled Unit back pressure, weaken the adverse effect of wind field, improve the indirect air cooling system runnability the air cooling heat radiator performance.
Background technology
The indirect air cooling mode has obtained fast development in China in recent years as one of power station methods for cooling.The air cooling heat radiator of indirect air cooling system has two kinds of arrangements, and a kind of being arranged horizontally in air cooling tower is another kind of for vertically being arranged in the peripheral circumferentially space of air cooling tower.The vertical arrangement of air cooling heat radiator is convenient to realize the integrated design of interior desulfurizer of air cooling tower and chimney, has saved the power station land used, thereby becomes the preferential mode that adopts of indirect air cooling system gradually.
Existing research shows that under the ambient wind effect, the cooling air delivery that triangle is cooled off in the air cooling heat radiator windward side increases, and heat-sinking capability strengthens, and lee face cooling triangle reduces flow owing to the regional inhibition in windward side in the air cooling tower, and heat radiation weakens.For cooling Delta Region, air cooling heat radiator both sides, outer circumferentially the flowing of the air cooling heat radiator that surroundings wind field causes makes that the air mass flow that gets into radiator is lower, and heat-sinking capability is poorer.Air cooling heat radiator is under the surroundings wind field effect, and the flow of different sector cooling triangles becomes extremely inhomogeneous, and the whole cooling performance of air cooling heat radiator descends.
In view of the adverse effect of surroundings wind field to the indirect air cooling system heat dispersion; Proposition is in peripheral the facining the wind and the crosswind face of vertical arranged type air cooling heat radiator; Through the wind field guiding device is set; Reach and rationally utilize the surroundings wind field energy, weaken its adverse effect, improve the purpose of indirect air cooling system runnability the air cooling heat radiator performance.
Summary of the invention
The objective of the invention is to the adverse effect of surroundings wind field the indirect air cooling system operation; The vertical arranged type air cooling heat radiator of a kind of indirect air cooling system external environment wind guiding device is proposed; It is characterized in that; The water conservancy diversion flat board that physical dimension does not wait is the fan-shaped periphery, windward side that is arranged in the outer air cooling heat radiator cooling of air cooling tower triangle, forms the surroundings wind field guiding device.
The water conservancy diversion flat board of said composition surroundings wind field guiding device is 6, and evenly distributes in the windward side of air cooling heat radiator cooling triangle, and its physical dimension is about the windward side center line left-right symmetric of air cooling heat radiator cooling triangle; The dull and stereotyped height of all water conservancy diversion equates that all its top is parallel with the upper limb of air cooling heat radiator cooling triangle, the rule design that the dull and stereotyped width of water conservancy diversion successively decreases to proximal direction according to the far-end by wind field successively.
Angle between said each water conservancy diversion flat board that is fan-shaped even layout is all 36 °.
The rule that the dull and stereotyped width of said water conservancy diversion successively decreases to proximal direction according to the far-end by wind field successively is the water conservancy diversion sheet width according to by the direction of surroundings wind field far-end to near-end, is that the rule of 0.5 Geometric Sequence is successively decreased with common ratio.
Said 6 water conservancy diversion are dull and stereotyped to cool off equating apart from d of triangle inlet face with air cooling heat radiator.
The invention has the beneficial effects as follows this air cooling heat radiator external environment wind field guiding device; Dull and stereotyped through upwards being provided with perpendicular to the water conservancy diversion of cooling triangle inletpiston in ambient wind; Make the surroundings wind field of PARALLEL FLOW turn to entering air cooling heat radiator cooling triangle at the dull and stereotyped place of water conservancy diversion; Can to a certain extent the kinetic energy of surroundings wind field be transformed into the pressure energy of air cooling heat radiator cooling triangle import, rationally utilize the surroundings wind field energy, it is low at the radiator both sides inlet pressure that the peripheral circumferential flow of air cooling heat radiator causes to overcome surroundings wind field; Flow is little; The defective that air cooling heat radiator finned-tube bundle heating surface can not effectively utilize, thus make the intake of air cooling heat radiator diverse location cooling triangle more even, and the air cooling heat radiator performance improves.
Description of drawings
Fig. 1 is an air cooling heat radiator external environment wind field water conservancy diversion tablet arrangement sketch map.
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
The present invention proposes the vertical arranged type air cooling heat radiator of a kind of indirect air cooling system external environment wind guiding device.Arrange that at air cooling heat radiator external environment wind field guiding device shown in Figure 11 is air cooling tower in the sketch map; 2 is air cooling heat radiator, is made up of more than 100 vertically arranged cooling triangles; 3 surroundings wind field guiding devices for the present invention's proposition.Environmental wind guiding device is installed in the periphery of air cooling heat radiator windward side side according to the local cardinal wind in air cooling power station.Environmental wind guiding device constitutes by the equal water conservancy diversion of 6 tile heights (being 20m-30m) is dull and stereotyped, and its top is parallel with the upper limb of air cooling heat radiator cooling triangle.The water conservancy diversion flat board is fan-shaped even layout, and promptly the angle between each water conservancy diversion flat board is all 36 °, and cools off the windward side center line left-right symmetric of triangle about air cooling heat radiator.
Two water conservancy diversion dull and stereotyped 3.1 that are arranged in the surroundings wind field distal-most end are vertical with locality, power station cardinal wind, water conservancy diversion plate level and air cooling tower perpendicular to ambient wind to centre section concordant.Dull and stereotyped 3.1 width of water conservancy diversion are the 1/8-1/5 of air cooling heat radiator external profile diameter.Near two symmetrical water conservancy diversion flat boards 3.2 of distal-most end water conservancy diversion dull and stereotyped 3.1, its width is 1/2 of distal-most end water conservancy diversion dull and stereotyped 3.1, and is as shown in Figure 2.The width of two water conservancy diversion of surroundings wind field most proximal end dull and stereotyped 3.3 is 1/4 of a distal-most end water conservancy diversion dull and stereotyped 3.1, and promptly the water conservancy diversion sheet width is according to by the direction of surroundings wind field far-end to near-end, is that the rule of 0.5 Geometric Sequence is successively decreased with common ratio.6 water conservancy diversion flat boards cool off equating apart from d of triangle inlet face with air cooling heat radiator, are all 1m-2m, and are as shown in Figure 2.
The water conservancy diversion flat board is welded on the steel frame, and steel frame is fixed on the foundation bolt of air cooling power station air cooling radiator outer peripheral face with the mode that is threaded, and is convenient to dismounting and moves.
The setting of this air cooling heat radiator external environment wind field guiding device; Can make the beam wind of the approximate PARALLEL FLOW that air cooling heat radiator and air cooling tower head-on blow; After the guiding through the water conservancy diversion flat board; The cooling air pressure of cooling triangle import raises, and the cooling air delivery of cooling triangle that is in different sectors is more even, and the performance of air cooling heat radiator is improved.
Claims (5)
1. the vertical arranged type air cooling heat radiator of indirect air cooling system external environment wind guiding device; It is characterized in that; The water conservancy diversion flat board that physical dimension does not wait is the fan-shaped periphery, windward side that is arranged in the outer air cooling heat radiator cooling of air cooling tower triangle, forms the surroundings wind field guiding device; The water conservancy diversion flat board of said composition surroundings wind field guiding device is 6, and evenly distributes in the windward side of air cooling heat radiator cooling triangle; Its size is about the windward side center line left-right symmetric of air cooling heat radiator cooling triangle; The dull and stereotyped height of all water conservancy diversion equates that all its top is parallel with the upper limb of air cooling heat radiator cooling triangle, the rule design that the dull and stereotyped width of water conservancy diversion successively decreases to proximal direction according to the far-end by wind field successively.
2. cool off air guide device outward according to the vertical arranged type air cooling heat radiator of the said indirect air cooling system of claim 1, it is characterized in that, the angle between said each water conservancy diversion flat board that is fan-shaped even layout is all 36 °.
3. cool off air guide device outward according to the vertical arranged type air cooling heat radiator of the said indirect air cooling system of claim 1; It is characterized in that; The rule that the dull and stereotyped width of said water conservancy diversion successively decreases to proximal direction according to the far-end by wind field successively is the water conservancy diversion sheet width according to by the direction of surroundings wind field far-end to near-end, is that the rule of 0.5 Geometric Sequence is successively decreased with common ratio.
4. cool off air guide device outward according to the vertical arranged type air cooling heat radiator of the said indirect air cooling system of claim 1, it is characterized in that, said 6 water conservancy diversion are dull and stereotyped to cool off equating apart from d of triangle inlet face with air cooling heat radiator.
5. cool off air guide device outward according to the vertical arranged type air cooling heat radiator of the said indirect air cooling system of claim 1; It is characterized in that; Two water conservancy diversion that are arranged in the surroundings wind field distal-most end are dull and stereotyped vertical with the local cardinal wind in power station, and the water conservancy diversion sheet width is the 1/8-1/5 of air cooling heat radiator external profile diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110391239 CN102419112B (en) | 2011-11-30 | 2011-11-30 | Diversion device for environmental wind outside vertically arranged air-cooled radiator of indirect air cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110391239 CN102419112B (en) | 2011-11-30 | 2011-11-30 | Diversion device for environmental wind outside vertically arranged air-cooled radiator of indirect air cooling system |
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| Publication Number | Publication Date |
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| CN102419112A true CN102419112A (en) | 2012-04-18 |
| CN102419112B CN102419112B (en) | 2013-07-31 |
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| CN 201110391239 Expired - Fee Related CN102419112B (en) | 2011-11-30 | 2011-11-30 | Diversion device for environmental wind outside vertically arranged air-cooled radiator of indirect air cooling system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759284A (en) * | 2012-07-13 | 2012-10-31 | 华北电力大学 | Finned tube bundle radiating structure vertically distributed on circumference space of wind cooling tower |
| CN103697748A (en) * | 2013-12-30 | 2014-04-02 | 清华大学 | Wet cooling tower with environmental wind diversion devices |
| CN103712475A (en) * | 2013-12-30 | 2014-04-09 | 清华大学 | Air cooling island platform with environment air guide devices |
| CN103900397A (en) * | 2014-04-16 | 2014-07-02 | 山西科工龙盛科技有限公司 | Indirect air cooling method of light water-saving and anti-freezing steel frame structure tower |
| CN104457310A (en) * | 2014-10-08 | 2015-03-25 | 东南大学 | Novel indirect type air cooling device for nuclear power plant |
| CN104534914A (en) * | 2014-12-19 | 2015-04-22 | 北京龙源冷却技术有限公司 | Circulating water pipeline expansion joint compensation system of radiator cooling triangle |
| CN104594672A (en) * | 2015-02-03 | 2015-05-06 | 山东大学 | Column-by-column anti-freezing cooling unit capable of realizing air-side flow self-equalizing for indirect cooling tower |
| CN104596346A (en) * | 2015-02-03 | 2015-05-06 | 山东大学 | Air-side flow equalizing device of heat dissipating and cooling triangle of indirect cooling tower |
| CN105627782A (en) * | 2016-02-26 | 2016-06-01 | 清华大学 | Cross wind recycling type wet cooling tower |
| CN105627783A (en) * | 2016-02-26 | 2016-06-01 | 清华大学 | Cross wind recycling type air cooling tower |
| CN110736362A (en) * | 2019-11-02 | 2020-01-31 | 济南蓝辰能源技术有限公司 | indirect air-cooling spray evaporation cooling device capable of forming falling film |
| CN111457779A (en) * | 2020-04-30 | 2020-07-28 | 济南蓝辰能源技术有限公司 | Indirect air cooling air guide system capable of changing radial direction into different angles |
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| CN202420221U (en) * | 2011-11-30 | 2012-09-05 | 华北电力大学 | Ambient wind field flow guide device outside vertically arranged air-cooled radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3776306A (en) * | 1971-02-24 | 1973-12-04 | Kraftwerk Union Ag | Air-cooled condensation apparatus |
| US4549999A (en) * | 1979-04-10 | 1985-10-29 | Gunter Ernst | Cooling tower |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759284A (en) * | 2012-07-13 | 2012-10-31 | 华北电力大学 | Finned tube bundle radiating structure vertically distributed on circumference space of wind cooling tower |
| CN103697748A (en) * | 2013-12-30 | 2014-04-02 | 清华大学 | Wet cooling tower with environmental wind diversion devices |
| CN103712475A (en) * | 2013-12-30 | 2014-04-09 | 清华大学 | Air cooling island platform with environment air guide devices |
| CN103697748B (en) * | 2013-12-30 | 2015-12-09 | 清华大学 | A kind of clammy tower with environmental wind guiding device |
| CN103900397B (en) * | 2014-04-16 | 2015-12-02 | 山西科工龙盛科技有限公司 | A kind of light-weight steel cage structure tower indirect air cooling method of energy anti-freezing economical |
| CN103900397A (en) * | 2014-04-16 | 2014-07-02 | 山西科工龙盛科技有限公司 | Indirect air cooling method of light water-saving and anti-freezing steel frame structure tower |
| CN104457310A (en) * | 2014-10-08 | 2015-03-25 | 东南大学 | Novel indirect type air cooling device for nuclear power plant |
| CN104534914A (en) * | 2014-12-19 | 2015-04-22 | 北京龙源冷却技术有限公司 | Circulating water pipeline expansion joint compensation system of radiator cooling triangle |
| CN104596346A (en) * | 2015-02-03 | 2015-05-06 | 山东大学 | Air-side flow equalizing device of heat dissipating and cooling triangle of indirect cooling tower |
| CN104594672A (en) * | 2015-02-03 | 2015-05-06 | 山东大学 | Column-by-column anti-freezing cooling unit capable of realizing air-side flow self-equalizing for indirect cooling tower |
| CN104596346B (en) * | 2015-02-03 | 2016-05-11 | 山东大学 | A kind of gas side current equalizer of indirect cool tower cooling triangle |
| CN105627782A (en) * | 2016-02-26 | 2016-06-01 | 清华大学 | Cross wind recycling type wet cooling tower |
| CN105627783A (en) * | 2016-02-26 | 2016-06-01 | 清华大学 | Cross wind recycling type air cooling tower |
| CN110736362A (en) * | 2019-11-02 | 2020-01-31 | 济南蓝辰能源技术有限公司 | indirect air-cooling spray evaporation cooling device capable of forming falling film |
| CN111457779A (en) * | 2020-04-30 | 2020-07-28 | 济南蓝辰能源技术有限公司 | Indirect air cooling air guide system capable of changing radial direction into different angles |
| CN111457779B (en) * | 2020-04-30 | 2022-02-18 | 济南蓝辰能源技术有限公司 | Indirect air cooling air guide system capable of changing radial direction into different angles |
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