CN102401581A - Mixed ventilation indirect cooling tower system and cooling method thereof - Google Patents
Mixed ventilation indirect cooling tower system and cooling method thereof Download PDFInfo
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- CN102401581A CN102401581A CN2011102107955A CN201110210795A CN102401581A CN 102401581 A CN102401581 A CN 102401581A CN 2011102107955 A CN2011102107955 A CN 2011102107955A CN 201110210795 A CN201110210795 A CN 201110210795A CN 102401581 A CN102401581 A CN 102401581A
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Abstract
The invention discloses a mixed ventilation indirect cooling tower system and a cooling method thereof. The system comprises a shutter, a radiator and a machinery ventilation auxiliary unit arranged on a broadening platform of a hyperbola natural ventilation tower. The machinery ventilation auxiliary unit is arranged around a tower wall of the natural ventilation tower. When a blower fan of the machinery ventilation auxiliary unit is turned on, part of hot air passing through the radiator will enter an air inlet apparatus, be accelerated by the blower fan and rectified by an air outlet apparatus and goes up along an inner wall of the tower into a tower cylinder. The invention has beneficial effects that scale of the cooling system is reduced; the system is flexibly operated and has strong adaptation to load change; influence of environment to the system is improved, such as freeze proof.
Description
Technical field:
The invention belongs to the engineering field, relate to a kind of blower fan external mechanical and natural mixed ventilation indirect cool tower system and cooling means thereof.
Background technology:
The indirect air cooling technology is used in recent years and is increased day by day because of meeting current energy-saving and emission-reduction policy.Indirect air cooling system commonly used is equipped with the hyperbolic-type cooling stack.
At present, along with the raising of exterior technology and requirement, make the scale of indirect cool tower do bigger and bigger; The external load variation that cooling system is accepted also becomes increasingly complex, and the adaptability of tackling cooling system mutually also proposes requirements at the higher level; Emerging in an endless stream of extreme climate weather also made cooling system will strengthen the adaptability of environment thereupon in recent years, antifreeze like winter.
In the prior art, in the force ventilation cooling procedure, blower fan and air channel are arranged the flow field in tower influence big, cooling of force ventilation mode spike and antifreeze control function a little less than, system environments adaptability and operation control flexibility are not enough, the scale of indirect cool tower is big.
Summary of the invention:
The objective of the invention is to overcome the shortcoming of above-mentioned prior art; A kind of mixed ventilation indirect cool tower system and cooling means thereof are provided; This system is the main type of cooling with natural ventilation system, is aided cooling mode with the force ventilation mode, and this compound mode can reduce power consumption; In the force ventilation cooling procedure; Arrange that through special blower fan and air channel minimizing influences flow field in tower as far as possible; Strengthen cooling of force ventilation mode spike and antifreeze control function simultaneously, improve system environments adaptability and operation control flexibility greatly, reduced the scale of indirect cool tower accordingly.
The objective of the invention is to solve through following technical scheme:
A kind of mixed ventilation indirect cool tower system comprises shutter, radiator and is arranged on the force ventilation auxiliary unit on the hyperbola gravity-flow ventilation tower broadening platform that this force ventilation auxiliary unit is provided with along hyperbola gravity-flow ventilation Tata wall circumferential annular.
Said force ventilation auxiliary unit comprises air inlet device, blower fan, elbow, shaped piece, wind outlet unit and deflector; Said air inlet device annular is arranged on hyperbola gravity-flow ventilation Tata wall periphery, and each air inlet device upper end is communicated with elbow, and the elbow upper end is communicated with shaped piece, and this shaped piece wind outlet unit interior with putting in tower is communicated with.
Be provided with blower fan between said air inlet device and the elbow.
Said air inlet device bottom is provided with deflector.
The cross section of said air inlet device and wind outlet unit all is a rectangle.
Cooling means based on said mixed ventilation indirect cool tower system comprises the steps:
Under the gravity-flow ventilation state, the external environment cold air, is heated up with heating agent generation heat exchange when flowing through radiator in radiator gets into tower by the tower bottom shutter, and Hot air quilt is raised to the cat head discharge then; Because hot-air density is lower than the outer cold air of tower, the power that the inside and outside density contrast of tower provides air constantly to flow;
Under the situation that force ventilation auxiliary unit blower fan is opened, understand some through the air inlet device, quicken through blower fan, by entering the tower tube to the upper edge inner wall of tower after the wind outlet unit rectification through the hot-air of radiator.
The invention has the beneficial effects as follows: reduced the cooling system scale; System's flexible operation is strong to the load variations adaptive capacity; Improved the influence of environment, as antifreeze to system.
Description of drawings:
Fig. 1 is vertical placement of mechanical of the present invention and natural mixed ventilation cooling tower elevation;
Fig. 2 is a force ventilation auxiliary unit floor plan of the present invention;
Fig. 3 is a force ventilation auxiliary unit of the present invention system elevation;
Fig. 4 is force ventilation auxiliary unit System planes figure of the present invention;
Fig. 5 is the force ventilation auxiliary unit A--A of a system cutaway view of the present invention;
Fig. 6 is the force ventilation auxiliary unit B--B of a system cutaway view of the present invention.
Wherein: 1 is the air inlet device; 2 is blower fan; 3 is elbow; 4 is shaped piece; 5 is wind outlet unit; 6 is deflector; 7 is hyperbola gravity-flow ventilation tower; 8 are the force ventilation auxiliary unit; 9 is radiator; 10 is shutter.
The specific embodiment:
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail:
Referring to shown in Figure 1, core apparatus force ventilation auxiliary unit of the present invention is installed on the conventional gravity-flow ventilation indirect cool tower broadening platform.Under the gravity-flow ventilation state, the external environment cold air, is heated up with heating agent generation heat exchange when flowing through radiator in radiator gets into tower by the tower bottom shutter, and Hot air quilt is raised to the cat head discharge then.Because hot-air density is lower than the outer cold air of tower, the power that the inside and outside density contrast of tower provides air constantly to flow.The face velocity size is by each air drag balance decision in cooling tower draft and the tower, and radiating effect and face velocity are in close relations.Under the situation that force ventilation auxiliary unit blower fan is opened, understand some through the air inlet device, quicken through blower fan, by entering the tower tube to the upper edge inner wall of tower after the wind outlet unit rectification through the hot-air of radiator.Air inlet device deflector act as and reduces the secondary ventilation unit to the flow field in tower negative effect; The air outlet cross section is a rectangle; Arrange along the inner wall of tower border, also be to reduce the unfavorable interference between force ventilation and the gravity-flow ventilation when bringing into play the advantage of force ventilation as far as possible.
In the differing heights vertical view shown in Fig. 2-6; Can find out; Radiator, air inlet device, blower fan, wind outlet unit hierarchical relationship from the bottom to top, wherein the air inlet device can be by material welding productions such as steel plates because needs carry equipment such as blower motor; Wind outlet unit can adopt sheet iron processing, and the saving fund of trying one's best also is convenient to be fixed on the tower tube.The supporting construction that the force ventilation auxiliary unit is arranged should be unified into ring-type, considers and the unified design of radiator supporting construction.
The present invention arranges vertically at radiator and arranges a circle force ventilation auxiliary unit on the gravity-flow ventilation indirect cool tower broadening platform outside the tower that this auxiliary unit is made up of air inlet device, blower fan, elbow, shaped piece, wind outlet unit 5 parts, sees Figure of description for details.The maximum technical characterstic of this auxiliary unit is that blower fan is external, and promptly blower fan is in outside the gravity-flow ventilation flow field that the tower tube causes fully, thus can reduce the blower fan shut down condition to the full extent the time to the adverse effect of natural ventilation system.During the blower fan operate as normal; Hot-air is except that obtaining the lifting through natural ventilation system in the tower; Also have part to suck, after blower fan promotes, upwards discharge, owing to obtained the extrinsic motive that blower fan provides by wind outlet unit by auxiliary unit air inlet device; The mixed ventilation indirect cool tower can provide the face velocity and better cooling effect higher than natural ventilation system, has reduced the scale of indirect cool tower accordingly.
Through technology such as employing fan frequency conversion speed governing, the running status of blower fan and mode can be regulated flexibly, and therefore, for the external load variation of complicacy, the adaptability of mixed ventilation indirect cool tower and operation control flexibility also are much higher than natural ventilation system.
Again it; The preventing freeze in winter pattern, cooling system can be through controlling (like the blade reversing) to the open and close controlling of the peripheral shutter of radiator and to the operation of blower fan in the auxiliary cooling unit, to disturb flow field in tower; Increase air drag and then reduction face velocity in the tower, reach antifreeze purpose.
Above content is to combine concrete preferred implementation to further explain that the present invention did; Can not assert that the specific embodiment of the present invention only limits to this; Those of ordinary skill for technical field under the present invention; Under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to the present invention and confirm scope of patent protection by claims of being submitted to.
Claims (6)
1. mixed ventilation indirect cool tower system; It is characterized in that: comprise shutter, radiator and be arranged on the force ventilation auxiliary unit on the hyperbola gravity-flow ventilation tower broadening platform, this force ventilation auxiliary unit is provided with along hyperbola gravity-flow ventilation Tata wall circumferential annular.
2. a kind of according to claim 1 mixed ventilation indirect cool tower system, it is characterized in that: said force ventilation auxiliary unit comprises air inlet device, blower fan, elbow, shaped piece, wind outlet unit and deflector; Said air inlet device annular is arranged on hyperbola gravity-flow ventilation Tata wall periphery, and each air inlet device upper end is communicated with elbow, and the elbow upper end is communicated with shaped piece, and this shaped piece wind outlet unit interior with putting in tower is communicated with.
3. like the said a kind of mixed ventilation indirect cool tower of claim 2 system, it is characterized in that: be provided with blower fan between said air inlet device and the elbow.
4. like the said a kind of mixed ventilation indirect cool tower of claim 2 system, it is characterized in that: said air inlet device bottom is provided with deflector.
5. like the said a kind of mixed ventilation indirect cool tower of claim 2 system, it is characterized in that: the cross section of said air inlet device and wind outlet unit all is a rectangle.
6. based on the cooling means of claim 1,2,3,4 or 5 said mixed ventilation indirect cool tower systems, it is characterized in that, comprise the steps:
Under the gravity-flow ventilation state, the external environment cold air, is heated up with heating agent generation heat exchange when flowing through radiator in radiator gets into tower by the tower bottom shutter, and Hot air quilt is raised to the cat head discharge then; Because hot-air density is lower than the outer cold air of tower, the power that the inside and outside density contrast of tower provides air constantly to flow;
Under the situation that force ventilation auxiliary unit blower fan is opened, understand some through the air inlet device, quicken through blower fan, by entering the tower tube to the upper edge inner wall of tower after the wind outlet unit rectification through the hot-air of radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110210795 CN102401581B (en) | 2011-07-27 | 2011-07-27 | Mixed ventilation indirect cooling tower system and cooling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110210795 CN102401581B (en) | 2011-07-27 | 2011-07-27 | Mixed ventilation indirect cooling tower system and cooling method thereof |
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| CN102401581A true CN102401581A (en) | 2012-04-04 |
| CN102401581B CN102401581B (en) | 2013-05-08 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183156A (en) * | 2011-03-30 | 2011-09-14 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Parallel arranged indirect air-cooling systems of thermal power plant |
| CN103047898A (en) * | 2013-01-29 | 2013-04-17 | 哈尔滨宇神科技有限公司 | Air inlet guide method for mechanical ventilation water 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 |
| CN104713386A (en) * | 2015-03-31 | 2015-06-17 | 山东大学 | Double-layer indirect cooling tower |
| CN105547004A (en) * | 2016-01-25 | 2016-05-04 | 北京嘉普元丰科技发展有限公司 | Mechanical assisted natural ventilation cooling tower |
| CN105716441A (en) * | 2015-12-10 | 2016-06-29 | 中国电力工程顾问集团西北电力设计院有限公司 | Natural ventilation air-cooling tower with vertically-arranged radiator and adjustable effective draft force |
| CN106403652A (en) * | 2016-10-31 | 2017-02-15 | 安徽马钢输送设备制造有限公司 | Shell-and-plate blast furnace evaporation air cooling system using soft water closed recirculation cooling system and plate scale treatment method thereof |
| CN112344762A (en) * | 2020-10-30 | 2021-02-09 | 华电重工股份有限公司 | Indirect cooling tower and indirect air cooling system |
| CN112444141A (en) * | 2020-11-25 | 2021-03-05 | 东南大学 | Photo-thermal auxiliary indirect air cooling tower efficiency enhancement and anti-freezing integrated device and operation method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903212A (en) * | 1973-07-10 | 1975-09-02 | Cottrell Res Inc | Fan-assisted cooling tower and method of operation |
| GB1467563A (en) * | 1974-02-08 | 1977-03-16 | Hamon Sobelco Sa | Installation for contacting a liquid and a gas |
| EP0155340A2 (en) * | 1984-03-02 | 1985-09-25 | Hamon-Sobelco S.A. | Method and installation for evacuating exhaust gases from fossil fuels, preferably flue gas, especially after passing through a wet scrubber, using the exhaust air flow from a cooling plant, especially from a cooling tower |
| CN2048175U (en) * | 1988-11-12 | 1989-11-22 | 国家机械工业委员会第四设计研究院 | Energy saving cooling tower of glass fibre reinforced plastics |
| CN2062033U (en) * | 1990-03-21 | 1990-09-12 | 常州市溧阳县纺织空调设备厂 | Rectangle metal shell composite cooling tower |
| CN2141884Y (en) * | 1992-11-10 | 1993-09-08 | 宜兴市南新环保器材厂 | Auxiliary air type cooling tower |
| CN101061366A (en) * | 2004-09-17 | 2007-10-24 | Spx冷却技术公司 | Heating tower apparatus and method with wind direction adaptation |
| CN201548083U (en) * | 2009-07-22 | 2010-08-11 | 北京布鲁斯盖环保科技发展有限公司 | Mechanical-draft indirect air cooling system |
-
2011
- 2011-07-27 CN CN 201110210795 patent/CN102401581B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903212A (en) * | 1973-07-10 | 1975-09-02 | Cottrell Res Inc | Fan-assisted cooling tower and method of operation |
| GB1467563A (en) * | 1974-02-08 | 1977-03-16 | Hamon Sobelco Sa | Installation for contacting a liquid and a gas |
| EP0155340A2 (en) * | 1984-03-02 | 1985-09-25 | Hamon-Sobelco S.A. | Method and installation for evacuating exhaust gases from fossil fuels, preferably flue gas, especially after passing through a wet scrubber, using the exhaust air flow from a cooling plant, especially from a cooling tower |
| CN2048175U (en) * | 1988-11-12 | 1989-11-22 | 国家机械工业委员会第四设计研究院 | Energy saving cooling tower of glass fibre reinforced plastics |
| CN2062033U (en) * | 1990-03-21 | 1990-09-12 | 常州市溧阳县纺织空调设备厂 | Rectangle metal shell composite cooling tower |
| CN2141884Y (en) * | 1992-11-10 | 1993-09-08 | 宜兴市南新环保器材厂 | Auxiliary air type cooling tower |
| CN101061366A (en) * | 2004-09-17 | 2007-10-24 | Spx冷却技术公司 | Heating tower apparatus and method with wind direction adaptation |
| CN201548083U (en) * | 2009-07-22 | 2010-08-11 | 北京布鲁斯盖环保科技发展有限公司 | Mechanical-draft indirect air cooling system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183156A (en) * | 2011-03-30 | 2011-09-14 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Parallel arranged indirect air-cooling systems of thermal power plant |
| CN103047898A (en) * | 2013-01-29 | 2013-04-17 | 哈尔滨宇神科技有限公司 | Air inlet guide method for mechanical ventilation water 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 |
| CN104713386A (en) * | 2015-03-31 | 2015-06-17 | 山东大学 | Double-layer indirect cooling tower |
| CN104713386B (en) * | 2015-03-31 | 2016-06-15 | 山东大学 | A kind of double-deck cooling tower indirectly |
| CN105716441A (en) * | 2015-12-10 | 2016-06-29 | 中国电力工程顾问集团西北电力设计院有限公司 | Natural ventilation air-cooling tower with vertically-arranged radiator and adjustable effective draft force |
| CN105547004A (en) * | 2016-01-25 | 2016-05-04 | 北京嘉普元丰科技发展有限公司 | Mechanical assisted natural ventilation cooling tower |
| CN106403652A (en) * | 2016-10-31 | 2017-02-15 | 安徽马钢输送设备制造有限公司 | Shell-and-plate blast furnace evaporation air cooling system using soft water closed recirculation cooling system and plate scale treatment method thereof |
| CN112344762A (en) * | 2020-10-30 | 2021-02-09 | 华电重工股份有限公司 | Indirect cooling tower and indirect air cooling system |
| CN112444141A (en) * | 2020-11-25 | 2021-03-05 | 东南大学 | Photo-thermal auxiliary indirect air cooling tower efficiency enhancement and anti-freezing integrated device and operation method |
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| Publication number | Publication date |
|---|---|
| CN102401581B (en) | 2013-05-08 |
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Owner name: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
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Address after: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation |