CN206146227U - Move stable direct air cooling condenser heat dissipation unit - Google Patents
Move stable direct air cooling condenser heat dissipation unit Download PDFInfo
- Publication number
- CN206146227U CN206146227U CN201621077774.5U CN201621077774U CN206146227U CN 206146227 U CN206146227 U CN 206146227U CN 201621077774 U CN201621077774 U CN 201621077774U CN 206146227 U CN206146227 U CN 206146227U
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- China
- Prior art keywords
- cooling wall
- guide face
- cooling
- face
- conservancy diversion
- Prior art date
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a move stable direct air cooling condenser heat dissipation unit, including the cooling wall with lie in the basifacial fan of cooling wall, the cooling wall comprises heat exchange tube and radiating fin, cools off the wall top and is equipped with steam dispensing pipe, the bottom of cooling off the wall is equipped with the condensate water recovery tube, the solid of revolution shape of cooling wall for having the directaxis is equipped with the water conservancy diversion face in the cooling wall, the water conservancy diversion face is the cask shape of bottom lock, and the water conservancy diversion face is made by the sheet metal, the top and the steam dispensing pipe rigid coupling of water conservancy diversion face, and the bottom and the fan of water conservancy diversion face correspond from top to bottom. The utility model discloses compare with the traditional heat dissipation unit who has the same cooling wall soft breeze machine specification, the difference of average temperature and maximum temperature keeps minimum in each temperature section always, and the highest under different wind speed, minimum temperature all has obvious advantage, compares the characteristics that present air cooling heat dissipation unit has the heat exchange efficiency height, is suitable for permanent operation.
Description
Technical field
The utility model is related to a kind of firepower electrical plant heat radiation cooling device, particularly can improve cooling under guide face effect
Stable direct air cooled condenser heat-sink unit of the wall by air quantity.
Background technology
The turbine discharge type of cooling in thermal power plant is divided into air cooling and water-cooled.Lack problem in the face of water resource, at present
Thermal power industry is stepped up by the way of air cooling.Air cooling is compared water-cooled and can significantly be economized on water, therefore it is scarce to build rich coal in
The thermal power plant in water area, cools down turbine discharge using air cooled mode more.Being using air method will be several
Main heat sink equipment of the Air-Cooling Island of air cooling heat-sink unit composition as turbine exhaust steam in electric power plant.Conventional air cooling heat-sink unit bag
Blower fan and the cooling wall corresponding to blower fan are included, cooling wall is space geometry shape face of different shapes.Cooling wall includes changing
Heat pipe and radiating fin.Air cooling heat-sink unit produces forced convertion by blower fan, and using air the heat of cooling wall is taken away, and makes
Steam condensation Cheng Shui, to keep steam turbine exhaust pressure stable in design load.Generally increase air flow, raising air velocity are
Improve and strengthen the key factor of Air-Cooling Island heat exchange, it means that cooling blower power consumption increases or lengthened vanes, but so unfavorable
In economical operation.Additionally, the difference of mean temperature and maximum temperature of the existing heat-sink unit at Various Seasonal temperature and wind speed
Change greatly, be unfavorable for the stable operation of heat abstractor.Start with from the structure for improving existing air cooling heat-sink unit, do not increasing work(
Under conditions of consumption and heat-sink unit floor space, air flow field is made full use of, improve the heat exchange efficiency and fortune of air cooling heat-sink unit
Row stability, is the important topic of insider's research.
Utility model content
The purpose of this utility model is the drawback for prior art, there is provided a kind of empty by the guide face reflection for arranging
Air-flow, so as to effectively improve the stable direct air cooled condenser heat-sink unit of heat exchange efficiency.
Problem described in the utility model is with following technical proposals realization:
A kind of stable direct air cooled condenser heat-sink unit, including cooling wall and positioned at cooling wall bottom
Blower fan, cooling wall is made up of heat exchanger tube and radiating fin, and cooling wall top is provided with steam-distributing pipe, the bottom of cooling wall
Condensate return pipe is provided with, the cooling wall is the revolution shape with longitudinal axis, and water conservancy diversion is provided with cooling wall
Face, guide face is the drum-shaped of bottom lock, and guide face is made up of thin plate, and the top of guide face is affixed with steam-distributing pipe, leads
The bottom of stream interface is corresponding up and down with blower fan.
Above-mentioned stable direct air cooled condenser heat-sink unit, the bottom of the guide face is downwardly convex arc
Face, the middle and upper part of guide face is inverted truncated cone-shaped, and coning angle a of guide face is 20-30 °, between guide face and cooling wall
Distance be not more than 4 meters.
Above-mentioned stable direct air cooled condenser heat-sink unit, the guide face is contour with cooling wall, by water conservancy diversion
Face top and steam-distributing pipe are by the top seal of cooling wall.
Above-mentioned stable direct air cooled condenser heat-sink unit, the center of guide face, the center of cooling wall and wind
The center of machine is conllinear.
Above-mentioned stable direct air cooled condenser heat-sink unit, the cooling wall is truncated cone-shaped cooling wall or double
Curved cooling wall.
The utility model is improved the structure of traditional air cooling heat-sink unit, is arranged in the cooling wall of jatharapanvartanasana
The guide face of drum-shaped, guide face is located at the surface of blower fan.So, by some Jing guide face of the air stream of blower fan blowout
Reflex on cooling wall, so as to enhance the heat exchange efficiency of cooling wall.Simulated test shows, radiating described in the utility model
With comparing with the traditional heat-dissipating unit of blower fan specification with identical cooling wall, the difference of mean temperature and maximum temperature exists unit
Each temperature section is always maintained at minimum, and highest, minimum temperature are respectively provided with clear superiority under different wind speed, compares existing air cooling radiating
Unit has heat exchange efficiency height, is suitable to the characteristics of running for a long time.
Description of the drawings
Below in conjunction with the accompanying drawings the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model first embodiment;
Fig. 2 is the structural representation of the utility model second embodiment.
Each list of reference numerals is in figure:1st, blower fan, 2, condensate return pipe, 3, cooling wall, 3-1, heat exchanger tube, 3-2, radiating
Fin, 4, steam-distributing pipe, 5, guide face.
Specific embodiment
Referring to Fig. 1, Fig. 2, the utility model includes cooling wall 3 and the blower fan 1 positioned at cooling wall bottom, cooling wall
It is the revolution shape with longitudinal axis.Embodiment illustrated in fig. 1 cooling wall be truncated cone-shaped, embodiment illustrated in fig. 2 cooling wall
Face is hyperboloid.Cooling wall is made up of several heat exchanger tube 3-1 and radiating fin 3-2, and steam is provided with the top of cooling wall
Distribution pipe 4, the bottom of cooling wall is provided with condensate return pipe 2, and the lower end of each heat exchanger tube connects the condensate-water polishing of annular
Pipe, the upper end of each main heat exchange pipe connects the connecting tube 5 of annular, is connected by radiating fin between adjacent heat exchange tubes.The utility model
Guide face 5 is provided with cooling wall, guide face is the drum-shaped of bottom lock, and the bottom of guide face is downwardly convex arc
Shape face, the middle and upper part of guide face is inverted truncated cone-shaped, and arcwall face and inverted truncated cone-shaped are smoothly connected.The top of guide face with
Steam-distributing pipe is affixed, by guide face top and steam-distributing pipe by the top seal of cooling wall, the bottom of guide face and wind
Machine is corresponded to up and down.Guide face is made using metal or nonmetallic thin plate, and guide face is contour with cooling wall, the inversion circle of guide face
Coning angle a of platform shape is 20-30 °.The center at the center of guide face, the center of cooling wall and blower fan is conllinear, guide face with it is cold
But the distance between wall is not more than 4 meters, it is to avoid because hypertelorism reflection wind cannot be played a role.
Air flow field and temperature after the utility model sets up guide face in cooling wall, to whole air cooling heat-sink unit
Field is improved, and the wind run up by blower fan blowout does not blow out from the top of cooling wall, but a part is acted directly on
Cooling wall, some is blown on guide face, then is reflexed on cooling wall at a certain angle through guide face, therefore is increased
Added cooling wall by air quantity.Show through simulation comparison test, the utility model with identical cooling wall and blower fan
The common heat-sink unit of specification is compared, and the difference of mean temperature and maximum temperature is always maintained at minimum in each temperature section, in difference
Highest, minimum temperature are respectively provided with clear superiority under wind speed, compare existing air cooling heat-sink unit and have heat exchange efficiency high, stable
The characteristics of running for a long time is suitable to heat-exchange temperature.
Claims (5)
1. a kind of stable direct air cooled condenser heat-sink unit, including cooling wall (3) and positioned at cooling wall bottom
Blower fan (1), cooling wall is made up of heat exchanger tube (3-1) and radiating fin (3-2), and cooling wall top is provided with steam-distributing pipe
(4), the bottom of cooling wall is provided with condensate return pipe (2), it is characterised in that:The cooling wall is with longitudinal axis
Revolution shape, is provided with guide face (5) in cooling wall, and guide face is the drum-shaped of bottom lock, and guide face is by thin plate system
Into the top of guide face is affixed with steam-distributing pipe, and the bottom of guide face is corresponding up and down with blower fan.
2. stable direct air cooled condenser heat-sink unit according to claim 1, it is characterised in that the water conservancy diversion
The bottom in face is downwardly convex arcwall face, and the middle and upper part of guide face is inverted truncated cone-shaped, and coning angle a of guide face is 20-
30 °, the distance between guide face and cooling wall are not more than 4 meters.
3. stable direct air cooled condenser heat-sink unit according to claim 2, it is characterised in that the water conservancy diversion
Face is contour with cooling wall, by guide face top and steam-distributing pipe by the top seal of cooling wall.
4. stable direct air cooled condenser heat-sink unit according to claim 3, it is characterised in that guide face
The center at center, the center of cooling wall and blower fan is conllinear.
5. stable direct air cooled condenser heat-sink unit according to claim 4, it is characterised in that the cooling
Wall is truncated cone-shaped cooling wall or hyperboloid cooling wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621077774.5U CN206146227U (en) | 2016-09-26 | 2016-09-26 | Move stable direct air cooling condenser heat dissipation unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621077774.5U CN206146227U (en) | 2016-09-26 | 2016-09-26 | Move stable direct air cooling condenser heat dissipation unit |
Publications (1)
Publication Number | Publication Date |
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CN206146227U true CN206146227U (en) | 2017-05-03 |
Family
ID=58620001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621077774.5U Expired - Fee Related CN206146227U (en) | 2016-09-26 | 2016-09-26 | Move stable direct air cooling condenser heat dissipation unit |
Country Status (1)
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CN (1) | CN206146227U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108744900A (en) * | 2018-06-09 | 2018-11-06 | 江苏江陵环保机械制造有限公司 | A kind of continuous casting system diffusing chimney elimination steam unit |
-
2016
- 2016-09-26 CN CN201621077774.5U patent/CN206146227U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108744900A (en) * | 2018-06-09 | 2018-11-06 | 江苏江陵环保机械制造有限公司 | A kind of continuous casting system diffusing chimney elimination steam unit |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20200926 |