CN207622015U - A kind of W types heat accumulation type radiant tube - Google Patents
A kind of W types heat accumulation type radiant tube Download PDFInfo
- Publication number
- CN207622015U CN207622015U CN201721552481.2U CN201721552481U CN207622015U CN 207622015 U CN207622015 U CN 207622015U CN 201721552481 U CN201721552481 U CN 201721552481U CN 207622015 U CN207622015 U CN 207622015U
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- Prior art keywords
- elbow
- straight tube
- vertical plane
- matching
- tube
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- Expired - Fee Related
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- 238000009825 accumulation Methods 0.000 title claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 25
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008646 thermal stress Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of W types heat accumulation type radiant tube, the left end of straight tube A, the matching outer groove that structure of right angle tyoe is provided on the outer wall of straight tube A；The right end of elbow A upper orifices, the matching inside groove that structure of right angle tyoe is provided on the inner wall of elbow A；It is interference fitted between the horizontal outer circle axial plane and the horizontal endoporus wall surface for matching inside groove of matching outer groove；It matches outer groove and matches the junction of inside groove, be provided with welding block on the outer wall of radiation tube body；It is all made of between elbow A and straight tube B, between straight tube B and elbow B, between elbow B and straight tube C, between straight tube C and elbow C, between elbow C and straight tube D and identical between straight tube A and elbow A is connected and fixed mode；Straight tube is inserted into such a way that matching slot matches in elbow when welding, the operation for eliminating tooling and being positioned manually improves production efficiency；Thermal stress is eliminated by matching slot between straight tube and elbow after welding, to increase the service life of radiant tube.
Description
Technical field
The utility model is related to a kind of radiant tube, more particularly to a kind of W types heat accumulation type radiant tube.
Background technology
Radiant tube is a kind of heat generated using the burning of combustion inner pipe gas, is with heat radiation by heated pipe surface
Heating device of the principal mode heat transfer to heating object；The radiant tube of the utility model is W types, the spoke of this kind of structure
The length that pipe increases radiant tube is penetrated, the efficiency of heating surface of radiant tube is improved, but difficulty is increased to when making；W types radiate
Pipe needs the elbow and straight tube that setting matches in processing and fabricating, they are consolidated together by welding.Existing skill
W types radiant tube in art needs to use high-precision frock clamp or artificial mode in welding, come ensure elbow with it is straight
The tube wall of pipe could weld after being aligned and coincideing, and bring difficulty to construction, production efficiency is low；Due to generating heat in radiant tube
The reason of amount, radiant tube can be thermally stressed and dilatancy, the welding block between elbow and straight tube cause extruding force so that
The impaired fracture in junction, reduces the service life of radiant tube.
Invention content
The utility model aim is to provide a kind of W types heat accumulation type radiant tube, solves the above technical problem.
In order to achieve the above technical purposes, reach above-mentioned technology requirement, technical solution is used by the utility model：
A kind of W types heat accumulation type radiant tube, including radiation tube body；The radiation tube body includes sequentially connected straight tube A, elbow from top to bottom
A, straight tube B, elbow B, straight tube C, elbow C and straight tube D；It is characterized in that：The left end of the straight tube A, on the outer wall of straight tube A
It is provided with the matching outer groove of structure of right angle tyoe；The right end of the elbow A upper orifices is provided with right angle on the inner wall of elbow A
The matching inside groove of shape structure；Interference is matched between the horizontal outer circle axial plane and the horizontal endoporus wall surface for matching inside groove of the matching outer groove
It closes；It is described to match outer groove and match the junction of inside groove, be provided with welding block on the outer wall of radiation tube body；The elbow A with
Between straight tube B, between straight tube B and elbow B, between elbow B and straight tube C, between straight tube C and elbow C, between elbow C and straight tube D
It is all made of and identical between straight tube A and elbow A is connected and fixed mode.
Preferably：The matching outer groove includes the first outer vertical plane；The lower section of the first outer vertical plane, straight tube A's
Left end is set as the second outer vertical plane；The matching inside groove includes vertical plane in first；The top of vertical plane in described first,
It is set as vertical plane in second in elbow A upper orifice right ends；The width of the first outer vertical plane is equal to vertical plane in second
Width；The width of the second outer vertical plane is equal to the width of vertical plane in first.
Preferably：The welding block is arranged in the surface of vertical plane junction in the first outer vertical plane and second.
Preferably：Welding block is set as semicircular arc structure.
The beneficial effects of the utility model；A kind of W types heat accumulation type radiant tube, compared with traditional structure：In the connection of straight tube
It is provided with matching outer groove on the outer wall of end point, the inner wall at the connection end of elbow is provided with matching inside groove, and when welding will be straight
Pipe is inserted into such a way that matching slot matches in elbow, and the operation for eliminating tooling and being positioned manually improves production efficiency；
Thermal stress is eliminated by matching slot between straight tube and elbow after welding, external welding block in this way would not be squeezed change
Shape, to increase the service life of radiant tube.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is enlarged drawing at B in Fig. 2；
In figure：1. radiating tube body；11. straight tube A；111. matching outer groove；112. the first outer vertical plane；113. the
Two outer vertical planes；12. elbow A；121. matching inside groove；122. vertical plane in first；123. vertical plane in second；13. straight
Pipe B；14. elbow B；15. straight tube C；16. elbow C；17. straight tube D；2. welding block.
Specific implementation mode
In order to make the goal of the invention, technical solution and its advantageous effects of the utility model be more clear, below in conjunction with
The drawings and specific embodiments, the present invention will be further described in detail；
In the accompanying drawings：A kind of W types heat accumulation type radiant tube, including radiation tube body 1；The radiation tube body 1 includes from top to bottom
Sequentially connected straight tube A11, elbow A12, straight tube B13, elbow B14, straight tube C15, elbow C16 and straight tube D17；The straight tube
The left end of A11, the matching outer groove 111 that structure of right angle tyoe is provided on the outer wall of straight tube A11；The elbow A12 upper orifices
Right end, be provided on the inner wall of elbow A12 the matching inside groove 121 of structure of right angle tyoe；The level of the matching outer groove 111
It is interference fitted between outer circle axial plane and the horizontal endoporus wall surface for matching inside groove 121；The matching outer groove 111 with match inside groove 121
Junction, radiation tube body 1 outer wall on be provided with welding block 2；Between the elbow A12 and straight tube B13, straight tube B13 with
Between elbow B14, between elbow B14 and straight tube C15, between straight tube C15 and elbow C16, between elbow C16 and straight tube D17
It is connected and fixed mode using identical between straight tube A11 and elbow A12；It is provided on the outer wall at the connection end of straight tube
With outer groove 111, the inner wall at the connection end of elbow is provided with matching inside groove 121, and straight tube is passed through matching slot phase when welding
The mode matched is inserted into elbow, and the operation for eliminating tooling and being positioned manually improves production efficiency；Straight tube after welding and curved
Thermal stress is eliminated by matching slot between head, external welding block in this way would not be squeezed deformation, to increase radiation
The service life of pipe.
The matching outer groove 111 includes the first outer vertical plane 112；The lower section of the first outer vertical plane 112, in straight tube
The left end of A11 is set as the second outer vertical plane 113；The matching inside groove 121 includes vertical plane 122 in first；Described first
The top of interior vertical plane 122 is set as vertical plane 123 in second in elbow A12 upper orifice right ends；The first outer vertical plane
112 width is equal to the width of vertical plane 123 in second；The width of the second outer vertical plane 113 is equal to vertical plane in first
122 width；Ensure that 1 outer wall of radiation tube body that installation is complete straight tube and elbow are constituted and the equal flat smooth of inner wall, outer wall are smooth
Ensure that impulse- free robustness, interior smooth are then the smooth flows for ensureing air-flow.
The welding block 2 is arranged in the surface of 123 junction of vertical plane in the first outer vertical plane 112 and second；Ensure
Upon connection, contact area of the welding block 2 in their junctions be equal for straight tube and elbow, it is ensured that connection it is reliable.
Welding block 2 is set as semicircular arc structure；If the intermediate altitude of Fig. 3, welding block are more than both sides, connection both can guarantee
Stability, can also offset thermal stress.
The specific implementation of the utility model：When installation, straight tube is inserted into the matching of corresponding elbow by matching outer groove 111
In inside groove 121, the connection type of other straight tubes and elbow is also identical, finally carries out welding on the outer wall of radiation tube body solid
It is fixed.
Claims (4)
1. a kind of W types heat accumulation type radiant tube, including radiation tube body（1）；The radiation tube body（1）Including being sequentially connected from top to bottom
Straight tube A（11）, elbow A（12）, straight tube B（13）, elbow B（14）, straight tube C（15）, elbow C（16）With straight tube D（17）；It is special
Sign is：The straight tube A（11）Left end, in straight tube A（11）Outer wall on be provided with the matching outer groove of structure of right angle tyoe
（111）；The elbow A（12）The right end of upper orifice, in elbow A（12）Inner wall on be provided in the matching of structure of right angle tyoe
Slot（121）；The matching outer groove（111）Horizontal outer circle axial plane with match inside groove（121）Horizontal endoporus wall surface between interference
Cooperation；The matching outer groove（111）With match inside groove（121）Junction, radiation tube body（1）Outer wall on be provided with welding
Block（2）；The elbow A（12）With straight tube B（13）Between, straight tube B（13）With elbow B（14）Between, elbow B（14）With straight tube C
（15）Between, straight tube C（15）With elbow C（16）Between, elbow C（16）With straight tube D（17）Between be all made of straight tube A（11）With it is curved
Head A（12）Between identical be connected and fixed mode.
2. a kind of W types heat accumulation type radiant tube according to claim 1, it is characterised in that：The matching outer groove（111）Including
First outer vertical plane（112）；The first outer vertical plane（112）Lower section, in straight tube A（11）Left end be set as outside second
Vertical plane（113）；The matching inside groove（121）Including vertical plane in first（122）；Vertical plane in described first（122）It is upper
Just, in elbow A（12）Upper orifice right end is set as vertical plane in second（123）；The first outer vertical plane（112）Width
Vertical plane in equal to second（123）Width；The second outer vertical plane（113）Width be equal to first in vertical plane（122）
Width.
3. a kind of W types heat accumulation type radiant tube according to claim 1 or 2, it is characterised in that：The welding block（2）Arrangement
In the first outer vertical plane（112）With second in vertical plane（123）The surface of junction.
4. a kind of W types heat accumulation type radiant tube according to claim 1, it is characterised in that：Welding block（2）It is set as semi arch
Shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721552481.2U CN207622015U (en) | 2017-11-20 | 2017-11-20 | A kind of W types heat accumulation type radiant tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721552481.2U CN207622015U (en) | 2017-11-20 | 2017-11-20 | A kind of W types heat accumulation type radiant tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207622015U true CN207622015U (en) | 2018-07-17 |
Family
ID=62829147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721552481.2U Expired - Fee Related CN207622015U (en) | 2017-11-20 | 2017-11-20 | A kind of W types heat accumulation type radiant tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207622015U (en) |
-
2017
- 2017-11-20 CN CN201721552481.2U patent/CN207622015U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180717 |