CN202483645U - Single row tube air-cooled radiator element - Google Patents
Single row tube air-cooled radiator element Download PDFInfo
- Publication number
- CN202483645U CN202483645U CN2012200953704U CN201220095370U CN202483645U CN 202483645 U CN202483645 U CN 202483645U CN 2012200953704 U CN2012200953704 U CN 2012200953704U CN 201220095370 U CN201220095370 U CN 201220095370U CN 202483645 U CN202483645 U CN 202483645U
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- CN
- China
- Prior art keywords
- tube
- steam
- single row
- parent tube
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 239000003570 air Substances 0.000 description 17
- 230000017525 heat dissipation Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Abstract
The utility model provides a single row tube air-cooled radiator element and resolves the problem that pressure loss of an existing air-cooled unit comprising single row tube radiating elements from a steam distribution tube to an evacuation air tube is rather high. The single row tube air-cooled radiator element comprises a base tube (1), and fins (4) are arranged on two outer side faces of the base tube (1). The base tube (1) is a diameter-varying tube which is provided with a big steam inlet and a small steam outlet, the area of the steam inlet side end (2) of the base tube is 1.2-2.4 times that of the steam outlet side end (3) of the base tube, the wall thickness (5) of the base tube (1) is 1.4-1.6 millimeters, and distance between two adjacent fins (4) on the two outer side faces of the base tube (1) is 2.2-3.0 millimeters. The single row tube air-cooled radiator element effectively reduces on-way resistance and local resistance of exhaust steam at the time of flowing inside a radiator, and enables the pressure loss from the steam distribution tube to the evacuation air tube to be reduced by 50%, thereby reducing steam exhaust back pressure of a turbine and enabling economy efficiency of operation of a steam turbine generator unit to be improved significantly.
Description
Technical field
The utility model relates to a kind of heat dissipation element, particularly a kind of single row of tubes air cooling heat radiator element that turbine discharge is carried out condensation.
Background technique
The large-size steam turbine steam discharge gets into steam-distributing pipe through heavy caliber master blow-off line; Get into air cooling heat radiator again; Entrained heat is directly passed to ambient air through the metal surface of air cooling heat radiator through the heat transfer by convection with ambient air, is dispersed in the environment.The water of condensation that the steam discharge of steam turbine forms after by air cooling gets into the water of condensation house steward by collection conduits, flows into condensate water tank, gets the supply boiler by condensate pump at last.Cool air in the environment laterally blows to air cooling heat radiator after being pressurizeed by axial-flow blower, and the cool air that has absorbed heat becomes hot air after air cooling heat radiator is dispersed in the environment.The air cooling heat-exchanging element that thermal power plant's direct air cooling system is adopted mainly contains three kinds, i.e. three combs, biexhaust pipe and single row of tubes.Three combs adopt the oval steel fin of the ellipse round steel pipe – of wrap style; Biexhaust pipe adopts the ellipse round steel pipe – rectangle steel fin of nest plate type; Single row of tubes adopts compound parent tube of steel aluminium and aluminum fin pipe, combines through vacuum brazing technique.But general single row of tubes caliber is identical; And steam to be the limit in heat dissipation element flow, condense in the limit, the process that steam flow reduces gradually; Therefore; The single row of tubes heat dissipation element that caliber is identical can not reduce on-way resistance and the local resistance of steam discharge when the radiator internal flow effectively, causes from steam-distributing pipe higherly to the crushing of the tracheae of finding time, and steam turbine exhaust pressure is raise; Influence the Economy of Turbo-generator Set operation, simultaneously also unfavorable to the preventing freeze in winter of radiator.
Summary of the invention
The utility model provides a kind of single row of tubes air cooling heat radiator element, solved that air cooling unit that existing single row of tubes heat dissipation element constitutes exists from steam-distributing pipe to the higher problem of the crushing of the tracheae of finding time.
The utility model overcomes the above problems through following scheme:
A kind of single row of tubes air cooling heat radiator element; Comprise parent tube; Parent tube two outer side surfaces are provided with fin, and described parent tube is the little reducer pipe of the big steam ouput of steam inlet, and the area of parent tube admission side is 1.2-2.4 with the ratio of the area of parent tube steam output side end; The wall thickness of parent tube is the 1.4-1.6 millimeter, and the spacing of the adjacent fins that on parent tube two outer side surfaces, is provided with is the 2.2-3.0 millimeter.
The area of parent tube admission side is 1.5 with the ratio of the area of parent tube steam output side end.
The utility model has effectively reduced on-way resistance and the local resistance of steam discharge when the radiator internal flow; Make steam-distributing pipe can reduce by 50% to the crushing of the tracheae of finding time; Thereby reduced the turbine discharge back pressure; The Economy of Turbo-generator Set operation is obviously improved, also improved the preventing freeze in winter performance of radiator simultaneously.
Description of drawings
Fig. 1 is the structural representation of the main apparent direction of the utility model;
Fig. 2 is the structural representation of the left apparent direction of the utility model;
Fig. 3 is the structural representation of the right apparent direction of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described:
A kind of single row of tubes air cooling heat radiator element; Comprise parent tube 1; 1 liang of outer side surface of parent tube is provided with fin 4, and described parent tube 1 is the little reducer pipe of the big steam ouput of steam inlet, and the area of parent tube admission side 2 is 1.2-2.4 with the ratio of the area of parent tube steam output side end 3; The wall thickness 5 of parent tube 1 is the 1.4-1.6 millimeter, and the spacing of the adjacent fins 4 that on 1 liang of outer side surface of parent tube, is provided with is the 2.2-3.0 millimeter.
The area of parent tube admission side 2 is 1.5 with the ratio of the area of parent tube steam output side end 3.
The utility model installation fins, the fins to the wind in the face and the base pipe Zha aligned; bundle length depending on the actual needs.The heat transferred fin of steam in parent tube will be managed through the mode of heat conduction during cooling, parent tube and the fin air of through the mode of convection current heat transferred being plunderred outward again simultaneously, thus reach the purpose of heat radiation.
Turbine discharge has the limit and flows in heat dissipation element; Condense in the limit; The characteristics that steam flow reduces gradually, and steam the resistance of tube bank during internal flow approximate with square being directly proportional of flow velocity, so the size that strengthens the parent tube admission end can reduce the local resistance of distribution piping to heat dissipation element; Steam in heat dissipation element inside from the big effluent of area to the little side of area, combine with the condensation characteristics of turbine discharge in pipe, can reduce the on-way resistance of steam in internal flow.Can make steam-distributing pipe reduce nearly 50% to the crushing of the tracheae of finding time; Thereby reduced the turbine discharge back pressure; The Economy of Turbo-generator Set operation is obviously improved, reduced the obstruction back pressure of steam turbine simultaneously during winter operation, improved the resistance to frost of radiator.The utility model fully combines the radiator structure pattern with the condensation characteristics of turbine discharge in each stage, improved the flow characteristic of radiator, in the following current tube bank of heat-sink unit with reverse stream pipe is intrafascicular all can use.
Claims (2)
1. single row of tubes air cooling heat radiator element; Comprise parent tube (1), parent tube (1) two outer side surface is provided with fin (4), it is characterized in that; Described parent tube (1) is the little reducer pipe of the big steam ouput of steam inlet; The ratio of the area of the area of parent tube admission side (2) and parent tube steam output side end (3) is 1.2-2.4, and the wall thickness (5) of parent tube (1) is the 1.4-1.6 millimeter, and the spacing of the adjacent fins (4) that on parent tube (1) two outer side surface, is provided with is the 2.2-3.0 millimeter.
2. a kind of single row of tubes air cooling heat radiator element according to claim 1 is characterized in that the ratio of the area of the area of parent tube admission side (2) and parent tube steam output side end (3) is 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200953704U CN202483645U (en) | 2012-03-14 | 2012-03-14 | Single row tube air-cooled radiator element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200953704U CN202483645U (en) | 2012-03-14 | 2012-03-14 | Single row tube air-cooled radiator element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483645U true CN202483645U (en) | 2012-10-10 |
Family
ID=46958072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200953704U Expired - Fee Related CN202483645U (en) | 2012-03-14 | 2012-03-14 | Single row tube air-cooled radiator element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202483645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202934A (en) * | 2014-05-30 | 2015-12-30 | 国网山西省电力公司电力科学研究院 | Air cooling radiator |
| CN113970253A (en) * | 2020-07-22 | 2022-01-25 | 成都聚实节能科技有限公司 | Large-section air-cooling condensing single-row pipe |
-
2012
- 2012-03-14 CN CN2012200953704U patent/CN202483645U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202934A (en) * | 2014-05-30 | 2015-12-30 | 国网山西省电力公司电力科学研究院 | Air cooling radiator |
| CN113970253A (en) * | 2020-07-22 | 2022-01-25 | 成都聚实节能科技有限公司 | Large-section air-cooling condensing single-row pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ELECTRIC POWER SCIENCE INST., SHANXI PROV. POWER C Effective date: 20121018 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: ELECTRIC POWER SCIENCE INST., SHANXI PROV. POWER CO. Effective date: 20121018 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 030001 TAIYUAN, SHAANXI PROVINCE TO: 100031 DONGCHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121018 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: Electric Power Research Institute of Shanxi Electric Power Company Address before: 030001 Qingnian Road, Shanxi, No. 6, Patentee before: Electric Power Research Institute of Shanxi Electric Power Company |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20180314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |