CN102360743B - Plate-fin heat exchanger of transformer and manufacturing method for plate-fin heat exchanger - Google Patents
Plate-fin heat exchanger of transformer and manufacturing method for plate-fin heat exchanger Download PDFInfo
- Publication number
- CN102360743B CN102360743B CN201110151859.9A CN201110151859A CN102360743B CN 102360743 B CN102360743 B CN 102360743B CN 201110151859 A CN201110151859 A CN 201110151859A CN 102360743 B CN102360743 B CN 102360743B
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- fin
- plate
- flow pipe
- substrate
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 9
- 238000005253 cladding Methods 0.000 claims description 5
- 239000003351 stiffener Substances 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 4
- 238000005219 brazing Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 230000003416 augmentation Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a plate-fin heat exchanger of a transformer. The plate-fin heat exchanger comprises a liquid inlet flow pipe and a liquid outlet flow pipe, wherein the liquid inlet flow pipe and the liquid outlet flow pipe are connected by a group of heat exchange sheets; liquid flow channels, through which transformer oil passes, are arranged in the heat exchange sheets; the liquid flow channels are parallel to one another; two ends of each liquid flow channel are communicated with inner parts of the liquid inlet flow pipe and the liquid outlet flow pipe respectively; air flow channels which are parallel to one another are arranged on the external parts of the heat exchange sheets; and the heat exchange sheets are arranged between the liquid inlet flow pipe and the liquid outlet flow pipe in parallel. A manufacturing method for the plate-fin heat exchanger comprises the following steps of: manufacturing stamping steel plates and rectangular fins; coating an aluminum-coated layer on the surface of each stamping steel plate; welding and sealing edges of two stamping steel plates; arranging the rectangular fins in parallel and then fixing the rectangular fins on the surface of a base plate to form heat exchange sheets; connecting and fixing the heat exchange sheets by a reinforcing plate; connecting two ends of each heat exchange sheet and the liquid inlet flow pipe and the liquid outlet flow pipe respectively; integrally assembling; and performing pressure tests to obtain the finished plate-fin heat exchanger.
Description
Technical field
The present invention relates to the transformer oil cooling technology, especially relate to a kind of plate-fin type heat exchanger of transformer and manufacture method thereof.
Background technology
The exploitation of new type high efficient heat exchanger and manufacturing technology are the focuses of field of energy utilization research always, and it is directly connected to the energy utilization rate of the industries such as chemical industry, electric power, petrochemical industry.
At present for the heat exchanger of the industries such as chemical industry, electric power, petrochemical industry, dynamic power machine, a large amount of use plate heat exchangers is arranged also, its fluid passage in water as heat transfer medium, by substrate and extraneous air realization heat conduction and heat convection.Advantage is to manufacture and design easyly, and shortcoming is that heat transfer effect is poor, equipment volume is large, structure is not compact, take up room large, that material is economized consumption is large, invests also greatly, causes equipment cost and operating cost all higher.
According to heat transfer theory, for strengthening the heat transfer of air side, usually install fin additional in heat exchanger tube tube bank outside, take full advantage of the fin inned coefficient of rectangular fin group, with expansion heat-transfer area augmentation of heat transfer, simultaneously in order to improve the fin utilization ratio, fully optimize fluid turbulent degree between wing, can obtain better augmentation of heat transfer effect, according to on-the-spot installation site and adopt natural draft or the mechanical draft type of cooling, with the fin channels reasonable Arrangement on substrate surface.
Summary of the invention
Existing heat-exchanger rig heat exchange efficiency is low, equipment volume large, structure is not compact in order to solve, it is large to take up room, material economizes that consumption is large, investment also large, cause all higher defectives of equipment cost and operating cost.
One aspect of the present invention provides a kind of plate-fin type heat exchanger of transformer, and the technical scheme that adopts is,
A kind of plate-fin type heat exchanger of transformer, comprise into fluid flow tube and go out fluid flow tube, describedly advance fluid flow tube and be connected fluid flow tube and connected by one group of heat exchanger fin, heat exchanger fin inside is provided with the flow channel for liquids that passes through for transformer oil, flow channel for liquids is arranged in parallel, the flow channel for liquids two ends respectively with advance fluid flow tube and go out the fluid flow tube internal communication, the heat exchanger fin outer setting has the gas flow that is arranged in parallel, heat exchanger fin is parallel to into fluid flow tube and goes out between the fluid flow tube, and described heat exchanger fin is connected and fixed by stiffener.
Described heat exchanger fin comprises substrate and rectangular fin, described substrate is welded by two identical stamping steel plates, between stamping steel plate, form described flow channel for liquids, outer surface of substrate is established and is coated with aluminum cladding, rectangular fin is arranged at the substrate both sides, described rectangular fin is stamped to form by aluminium sheet, forms the gas flow that is arranged in parallel on it.
In one embodiment, described gas flow is parallel with the flow channel for liquids direction.
In one embodiment, described gas flow and flow channel for liquids perpendicular direction.
The present invention provides the manufacture method of above-mentioned plate-fin type heat exchanger of transformer on the other hand, and the technical scheme that adopts is,
1) adopt Sheet Metal Forming Technology to make stamping steel plate and rectangular fin;
2) clean stamping steel plate, at stamping steel plate surface-coated aluminum cladding;
3) adopt two-sided roll welding technique with two stamping steel plate edge welded seals;
4) for strengthening the compressive strength of liquid in the substrate internal liquid runner, it is fixing that the groove in the middle of the substrate adopts spot welding to strengthen;
5) residue, oxide and the oil stain on cleaning base plate and the fin;
6) adopt spot-welding technology, be fixed on substrate surface after rectangular fin is arranged in parallel, form heat exchanger fin;
7) adopt furnace brazing to process rectangular fin and the substrate that fixes, reduce the contact heat resistance between rectangular fin and the substrate, strengthen and conduct heat, improve simultaneously the preservative treatment ability;
8) one group of heat exchanger fin is connected and fixed by stiffener, with the heat exchanger fin two ends respectively with advance fluid flow tube and be connected fluid flow tube and be connected, overall package is carried out pressure test, finally finishes.
This heat exchanger is according to heat exchange requirement and space mounting position, so that transformer oil flows along gas flow is equidirectional along flow channel for liquids direction and air, the flow path of heat transferring medium is parallel; Perhaps transformer oil flows along the gas flow direction in vertical direction along flow channel for liquids direction and air, the flow path distributary of heat transferring medium is with augmentation of heat transfer, utilize " stack effect ", strengthen the flow velocity of cold air in the gas flow, reduce resistance, increase section circulation flow, be difficult for ash deposit and slag buildup, easy to maintenance; Adopt steel-aluminum composite plate material, not only improved corrosion resistance, avoided simultaneously using the high material of price, reduced cost, in the finite temperature zone, identical temperature environment, finned plate heat exchanger is more obvious than general conventional traditional heat exchanger heat transfer effect, and energy-saving effect significantly improves.
Description of drawings
Fig. 1 is the structural representation of the plate-fin type heat exchanger of transformer that proposes of the present invention;
Fig. 2 is the end view of Fig. 1;
Fig. 3 is the viewgraph of cross-section of heat exchanger fin;
Fig. 4 is substrate welding schematic diagram.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with diagram and specific embodiment, further set forth the present invention.
Such as Fig. 1, shown in Figure 2, the plate-fin type heat exchanger of transformer that the present invention proposes comprises into fluid flow tube 110 and goes out fluid flow tube 120, describedly advance fluid flow tube 110 and be connected fluid flow tube 120 and connected by heat exchanger fin 200, heat exchanger fin 200 inside are provided with the flow channel for liquids that passes through for transformer oil, flow channel for liquids is arranged in parallel, the flow channel for liquids two ends respectively with advance fluid flow tube 110 and go out fluid flow tube 120 internal communication, heat exchanger fin 200 outer setting have the gas flow that is arranged in parallel, heat exchanger fin 200 is parallel to into fluid flow tube 110 and goes out between the fluid flow tube 120, and described heat exchanger fin 200 is connected and fixed by stiffener 300.
Concrete, as shown in Figure 3, described heat exchanger fin comprises substrate 210 and rectangular fin 220, described substrate 210 is welded by two identical stamping steel plates, form flow channel for liquids 211 between stamping steel plate, substrate 210 outer surfaces are established and are coated with aluminum cladding, and rectangular fin 220 is arranged at substrate 210 both sides, rectangular fin 220 is stamped to form by aluminium sheet, forms the gas flow 221 that is arranged in parallel on it.
In the present embodiment, described gas flow 221 can be set to parallel with flow channel for liquids 211 directions.
Described gas flow 221 also can be set to and flow channel for liquids 211 perpendicular directions.
This heat exchanger is according to heat exchange requirement and space mounting position, so that transformer oil flows along gas flow is equidirectional along flow channel for liquids direction and air, the flow path of heat transferring medium is parallel; Perhaps transformer oil flows along the gas flow direction in vertical direction along flow channel for liquids direction and air, the flow path distributary of heat transferring medium is with augmentation of heat transfer, utilize " stack effect ", strengthen the flow velocity of cold air in the gas flow, reduce resistance, increase section circulation flow, be difficult for ash deposit and slag buildup, easy to maintenance; Adopt steel-aluminum composite plate material, not only improved corrosion resistance, avoided simultaneously using the high material of price, reduced cost, in the finite temperature zone, identical temperature environment, finned plate heat exchanger is more obvious than general conventional traditional heat exchanger heat transfer effect, and energy-saving effect significantly improves.
The technical scheme that the manufacture method of above-mentioned plate-fin type heat exchanger of transformer adopts is,
1) adopt Sheet Metal Forming Technology to make stamping steel plate and rectangular fin;
2) clean stamping steel plate, at stamping steel plate surface-coated aluminum cladding;
3) adopt two-sided roll welding technique with two stamping steel plate edge welded seals;
4) for strengthening the compressive strength of liquid in the substrate internal liquid runner, it is fixing that the groove in the middle of the substrate adopts spot welding to strengthen;
5) residue, oxide and the oil stain on cleaning base plate and the fin;
6) adopt spot-welding technology, be fixed on substrate surface after rectangular fin is arranged in parallel, form heat exchanger fin;
7) adopt furnace brazing to process rectangular fin and the substrate that fixes, reduce the contact heat resistance between rectangular fin and the substrate, strengthen and conduct heat, improve simultaneously the preservative treatment ability;
8) one group of heat exchanger fin is connected and fixed by stiffener, with the heat exchanger fin two ends respectively with advance fluid flow tube and be connected fluid flow tube and be connected, overall package is carried out pressure test, finally finishes.
The two-sided roll welding of substrate and spot welding zone are as shown in Figure 4.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (1)
1. the manufacture method of a plate-fin type heat exchanger of transformer is characterized in that, may further comprise the steps,
1) adopt Sheet Metal Forming Technology to make stamping steel plate and rectangular fin;
2) clean stamping steel plate, at stamping steel plate surface-coated aluminum cladding;
3) adopt two-sided roll welding technique with two stamping steel plate edge welded seals, form substrate;
4) for strengthening the compressive strength of liquid in the substrate internal liquid runner, it is fixing that the groove in the middle of the substrate adopts spot welding to strengthen;
5) residue, oxide and the oil stain on cleaning base plate and the fin;
6) adopt spot-welding technology, be fixed on substrate surface after rectangular fin is arranged in parallel, form heat exchanger fin;
7) adopt furnace brazing to process rectangular fin and the substrate that fixes, reduce the contact heat resistance between rectangular fin and the substrate, strengthen and conduct heat, improve simultaneously the preservative treatment ability;
8) one group of heat exchanger fin is connected and fixed by stiffener, with the heat exchanger fin two ends respectively with advance fluid flow tube and be connected fluid flow tube and be connected, overall package is carried out pressure test, finally finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110151859.9A CN102360743B (en) | 2011-06-08 | 2011-06-08 | Plate-fin heat exchanger of transformer and manufacturing method for plate-fin heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110151859.9A CN102360743B (en) | 2011-06-08 | 2011-06-08 | Plate-fin heat exchanger of transformer and manufacturing method for plate-fin heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102360743A CN102360743A (en) | 2012-02-22 |
| CN102360743B true CN102360743B (en) | 2013-04-03 |
Family
ID=45586034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110151859.9A Active CN102360743B (en) | 2011-06-08 | 2011-06-08 | Plate-fin heat exchanger of transformer and manufacturing method for plate-fin heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102360743B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629290B (en) * | 2012-03-13 | 2013-10-16 | 西安交通大学 | Optimization design method of multiple flow fluid channel arrangement for plate-fin heat exchanger |
| CN106683831A (en) * | 2017-03-06 | 2017-05-17 | 常熟市友邦散热器有限责任公司 | Plate-like radiator with special-shaped oil channel |
| CN106895696A (en) * | 2017-03-12 | 2017-06-27 | 深圳市上羽科技有限公司 | A kind of special plate type heat exchanger of dryer |
| CN106949772B (en) * | 2017-04-20 | 2018-12-21 | 沈阳亚特电器制造有限公司 | A kind of fin type heat radiator for transformer production technology |
| CN109579579A (en) * | 2017-09-28 | 2019-04-05 | 锐莱热控科技（北京）有限公司 | A kind of punching type cold drawing assembly |
| CN111678371B (en) * | 2020-06-19 | 2022-02-18 | 贵州凯宏汇达冷却系统有限公司 | Heat exchanger and liquid cooling source equipment based on same |
| CN112658628B (en) * | 2020-12-17 | 2022-04-12 | 常州爱克普换热器有限公司 | Manufacturing process of plate-fin heat exchanger |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04103108A (en) * | 1990-08-23 | 1992-04-06 | Toshiba Corp | Radiation panel |
| CN2580573Y (en) * | 2002-10-30 | 2003-10-15 | 王立新 | Sheet type heat radiator for transformer |
| CN2731656Y (en) * | 2004-09-28 | 2005-10-05 | 袁炳林 | Forced oil-circulating air cooling device for transformer |
| CN101368800A (en) * | 2008-09-24 | 2009-02-18 | 东华大学 | Axial fin flat pipe heat exchanger and manufacturing method thereof |
| CN202102836U (en) * | 2011-06-08 | 2012-01-04 | 上海东润换热设备制造有限公司 | Plate-fin type heat exchanger of transformer |
-
2011
- 2011-06-08 CN CN201110151859.9A patent/CN102360743B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102360743A (en) | 2012-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102360743B (en) | Plate-fin heat exchanger of transformer and manufacturing method for plate-fin heat exchanger | |
| CN207610580U (en) | A kind of titanium composite heat-exchanger | |
| WO2017113571A1 (en) | Integrated phase-change inhibition heat transfer and heat exchange plate structure and manufacturing method thereof | |
| CN104896978B (en) | A kind of three medium composite heat exchangers | |
| CN1844827A (en) | Non-seal stainless steel plate-fin heat exchanger | |
| CN107643011A (en) | A kind of D-section Zig Zag passage compact heat exchangers | |
| CN201229133Y (en) | Plate-fin heat exchanger | |
| CN201722400U (en) | All-welded double-flow gas preheater with corrugated plates | |
| CN201653198U (en) | Heat exchange device | |
| CN103196310A (en) | Liquid-cooling heat exchanger with miniature mini-channel metal round tubes | |
| CN203336996U (en) | Minitype micro-channel metal round pipe liquid-cooled type heat exchanger | |
| CN108645256A (en) | A kind of plate heat exchanger and its board-like lamination | |
| CN202102836U (en) | Plate-fin type heat exchanger of transformer | |
| CN201251384Y (en) | Fixed tube sheet heat exchanger | |
| CN104296563B (en) | Flat pipe type cold-producing medium core | |
| CN201722401U (en) | Full-welding type three-flow-process corrugated plate air preheater | |
| CN103791741B (en) | A kind of phase transformation plate type heat exchanger | |
| CN202304502U (en) | Cylindrical heat exchanger | |
| CN205642079U (en) | Flat air heater of non - welding | |
| CN201193935Y (en) | Plate type heat-exchanger | |
| CN103134376A (en) | Heat transfer tube | |
| CN2777476Y (en) | Total isolation plate and plate-fin type heat-exchanger | |
| CN201302410Y (en) | Longitudinal finned oblate tube heat exchanger for high-temperature, corrosive dusty gas | |
| CN201811617U (en) | Copper alloy plate type heat exchanger | |
| CN206247908U (en) | A kind of cast aluminium composition metal heat-exchanger rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.75 Rongfa Road, Ganxiang, LvXiang Town, Jinshan District, Shanghai, 201517 Patentee after: Shanghai Dongrun heat exchange equipment Co.,Ltd. Address before: 201518 Shanghai city Jinshan District Lu Zhen Gan Xiang Rong FA Lu No. 75 Patentee before: SHANGHAI DONGRUN HEAT-EXCHANGE EQUIPMENT MANUFACTURING Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A kind of manufacturing method of transformer plate-fin heat exchanger Effective date of registration: 20220819 Granted publication date: 20130403 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: Shanghai Dongrun heat exchange equipment Co.,Ltd. Registration number: Y2022310000189 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231020 Granted publication date: 20130403 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: Shanghai Dongrun heat exchange equipment Co.,Ltd. Registration number: Y2022310000189 |