CN201069335Y - Heat exchanger of heat-resisting stress axial heat pipe - Google Patents
Heat exchanger of heat-resisting stress axial heat pipe Download PDFInfo
- Publication number
- CN201069335Y CN201069335Y CNU2007200360040U CN200720036004U CN201069335Y CN 201069335 Y CN201069335 Y CN 201069335Y CN U2007200360040 U CNU2007200360040 U CN U2007200360040U CN 200720036004 U CN200720036004 U CN 200720036004U CN 201069335 Y CN201069335 Y CN 201069335Y
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- China
- Prior art keywords
- heat pipe
- heat
- swelling part
- heat exchanger
- pipe
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A heat stress-resisting radial heat pipe heat exchanger is provided, which comprises an interface, a shell, radial heat pipes arranged in parallel inside the shell, a heat pipe-fixing pipe plate hermetically welded with the shell, and an expansion device consisting of a welding sleeve and an expansion member. The welding sleeve is covered around one end of the heat pipe, engaged slidably with the fixing pipe plate and hermetically welded with the heat pipe and the expansion member. The expansion member is hermetically welded with the shell. Another end of the heat pipe is hermetically welded with the corresponding fixing pipe plate. The expansion member is additionally arranged at one end of the radial heat pipe and the heat pipe is slidably matched with the fixing pipe plate, so that the heat pipe can freely expand towards one end of the expansion member. The fume tightness at the free expansion side of the radial heat pipe is realized by the tight weld between the expansion device and the welding sleeve, the tight weld between the welding sleeve and the heat pipe, and the tight weld between the expansion device and the shell. Therefore, the damage of heat stress to the radial heat pipe heat exchanger is avoided and the service life of the heat exchanger is prolonged.
Description
Technical field
The utility model relates to the radial heat exchanger of a kind of radial heat exchanger, particularly a kind of thermal stress resistance.
Background technology
As shown in Figure 1, radial heat exchanger is made up of the radial heat pipe 4 that horizontal parallel in interface 1, housing 2, the housing is arranged usually, and 3 for connecting the elbow of adjacent heat pipe among Fig. 1.In order to prevent that flue gas leaks in the housing, as shown in Figure 2, usually in heat pipe two ends designs fixed tube sheet 221,222 is arranged, fixed tube sheet 221,222 as the part of housing fixed frame and seal welding on housing 2, and respectively with end cap 42 seal weldings of each heat pipe 4.43 is fin among Fig. 2.The problem of its existence is: the hot expansibility between housing and the heat pipe is inconsistent, and when heat pipe was longer, its thermal expansion amount was also bigger, and the effect of thermal stress might cause heat exchange equipment to damage, and shortens the service life of equipment.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, and a kind of thermal stress resistance radial heat exchanger that increases the service life is provided.
The technical scheme that its technical problem that solves the utility model adopts is as follows: a kind of thermal stress resistance radial heat exchanger, its composition comprise radial heat pipe that horizontal parallel in interface, housing, the housing arranges, with the heat pipe fixed tube sheet of housing seal welding, it is characterized in that having the expansion gear of forming by soldering sleeve and swelling part, be enclosed within the soldering sleeve of heat pipe one end and this end fixed tube sheet is slidingly matched and with heat pipe and swelling part seal welding, swelling part and housing seal welding; The heat pipe other end and corresponding fixed tube sheet seal welding.
The beneficial effects of the utility model are as follows: the end at heat pipe has been set up the expansion gear of being made up of soldering sleeve and swelling part, allow heat pipe and this end fixed tube sheet be slidingly matched and the blow-by welding, allow the heat pipe other end still with the fixed tube sheet seal welding, when thermal expansion problem occurring, radial heat pipe can be to expansion gear one end free wxpansion, the flue gas sealing of radial heat pipe free wxpansion side is then by expansion gear and soldering sleeve, seal weld between seal welding between soldering sleeve and the radial heat pipe and expansion gear and the housing fetches realization, overcome the inconsistent problem of thermal expansion amount between radial heat pipe and the housing thus, avoid the destruction of thermal stress, prolong the service life of equipment radial heat exchanger equipment.
Description of drawings
Fig. 1 is existing radial heat exchanger schematic diagram.
Fig. 2 cuts open for structure in the existing radial heat exchanger housing and shows schematic diagram.
Fig. 3 cuts open for structure in embodiment 1 housing of the utility model heat exchanger and shows schematic diagram.
Fig. 4 cuts open for structure in embodiment 2 housings of the utility model heat exchanger and shows schematic diagram.
Number in the figure is illustrated as: 1-interface, 2-housing, 21-swelling part, 211-end plate, 212-bellows, 221-fixed tube sheet, 222-fixed tube sheet 23-soldering sleeve, 3-elbow, 4-heat pipe, 42-end socket, 43-fin.
The specific embodiment
With reference to the accompanying drawings and in conjunction with the embodiments the utility model is described in further detail.But the utility model is not limited to given example.
As Fig. 1, Fig. 3, shown in Figure 4, the composition of the utility model thermal stress resistance radial heat exchanger comprise radial heat pipe 4 that horizontal parallel in interface 1, housing 2, the housing 2 arranges, with the heat pipe fixed tube sheet 221,222 of housing 2 seal weldings, it is characterized in that having the expansion gear of forming by soldering sleeve 23 and swelling part 21, the soldering sleeve 23 that is enclosed within heat pipe 4 one ends be slidingly matched with this end fixed tube sheet 221 and with heat pipe 4 and swelling part 21 seal weldings, swelling part 21 and housing 4 seal weldings; Heat pipe 4 other ends and corresponding fixed tube sheet 222 seal weldings.
In embodiment 1 as shown in Figure 3, swelling part 21 is sheet metal or corrugated plating, respectively with soldering sleeve 23 and housing 2 seal weldings.This board-like swelling part is applicable to the heat transmission equipment that swell increment is less.
In embodiment 2 as shown in Figure 4, swelling part is the bellows 212 that an end has end plate 211, end plate 211 and soldering sleeve 23 and bellows 212 difference seal weldings, fixed tube sheet 221 seal weldings on the other end of bellows 212 and the housing 2.This bellows-type swelling part is applicable to the heat transmission equipment that swell increment is bigger.In the practice, for simplified structure, radial heat pipe in the housing 24 can be divided into some groups, the end plate 211 of the bellows-type swelling part corresponding with one group of heat pipe is a whole plate, and the end plate 211 that also can be the bellows-type swelling part of whole heat pipes is a whole plate.
Claims (6)
1. thermal stress resistance radial heat exchanger, form comprise horizontal parallel is arranged in interface, housing, the housing heat pipe, with the heat pipe fixed tube sheet of housing seal welding, it is characterized in that having the expansion gear of forming by soldering sleeve and swelling part, be enclosed within the soldering sleeve of heat pipe one end and this end fixed tube sheet is slidingly matched and with heat pipe and swelling part seal welding, swelling part and housing seal welding; The heat pipe other end and corresponding fixed tube sheet seal welding.
2. thermal stress resistance radial heat exchanger according to claim 1 is characterized in that described swelling part is a sheet metal.
3. thermal stress resistance radial heat exchanger according to claim 1 is characterized in that described swelling part is a corrugated plating.
4. thermal stress resistance radial heat exchanger according to claim 1, it is characterized in that described swelling part is the bellows that an end has end plate, end plate and soldering sleeve and bellows be seal welding, the other end of bellows and the fixed tube sheet seal welding on the housing respectively.
5. thermal stress resistance radial heat exchanger according to claim 4 is characterized in that the radial heat pipe with described swelling part is divided into some groups, and the end plate of the swelling part corresponding with one group of heat pipe is a whole plate.
6. thermal stress resistance radial heat exchanger according to claim 4, the end plate of swelling part that it is characterized in that having whole radial heat pipes of described swelling part is a whole plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200360040U CN201069335Y (en) | 2007-04-25 | 2007-04-25 | Heat exchanger of heat-resisting stress axial heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200360040U CN201069335Y (en) | 2007-04-25 | 2007-04-25 | Heat exchanger of heat-resisting stress axial heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201069335Y true CN201069335Y (en) | 2008-06-04 |
Family
ID=39490724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200360040U Expired - Lifetime CN201069335Y (en) | 2007-04-25 | 2007-04-25 | Heat exchanger of heat-resisting stress axial heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201069335Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520006A (en) * | 2011-11-09 | 2012-06-27 | 浙江大学 | Radial heat pipe type large-space transverse pipe outer surface air natural convection heat transfer experiment device |
| CN103756692A (en) * | 2014-02-14 | 2014-04-30 | 南京华电节能环保设备有限公司 | Riser waste heat recovery device for coke oven |
| CN104949150A (en) * | 2015-07-03 | 2015-09-30 | 哈尔滨哈锅锅炉工程技术有限公司 | Connecting structure of boiler tubular air preheater channel and connecting box |
-
2007
- 2007-04-25 CN CNU2007200360040U patent/CN201069335Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520006A (en) * | 2011-11-09 | 2012-06-27 | 浙江大学 | Radial heat pipe type large-space transverse pipe outer surface air natural convection heat transfer experiment device |
| CN103756692A (en) * | 2014-02-14 | 2014-04-30 | 南京华电节能环保设备有限公司 | Riser waste heat recovery device for coke oven |
| CN103756692B (en) * | 2014-02-14 | 2015-11-25 | 南京华电节能环保设备有限公司 | Riser waste heat recovery device for coke oven |
| CN104949150A (en) * | 2015-07-03 | 2015-09-30 | 哈尔滨哈锅锅炉工程技术有限公司 | Connecting structure of boiler tubular air preheater channel and connecting box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080604 |
|
| CX01 | Expiry of patent term |