CN210030799U - Stress-relieving heating device for welding seam of pressure vessel shell - Google Patents
Stress-relieving heating device for welding seam of pressure vessel shell Download PDFInfo
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- CN210030799U CN210030799U CN201920647953.5U CN201920647953U CN210030799U CN 210030799 U CN210030799 U CN 210030799U CN 201920647953 U CN201920647953 U CN 201920647953U CN 210030799 U CN210030799 U CN 210030799U
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Abstract
The utility model relates to a pressure vessel casing welding seam destressing heating device, include: interior heating device and outer heating device, interior heating device includes: the inner support frame and set up cotton and the interior crawler-type hot plate of keeping warm between inner support frame and shells inner wall, be equipped with first cavity between interior crawler-type hot plate and the shells inner wall, outer heating device includes: the outer support frame, the outer heat insulation cotton and the outer crawler type heating plate are arranged between the outer support frame and the outer wall of the shell, and the second cavity is arranged between the outer crawler type heating plate and the outer wall of the shell, so that welding seams are heated uniformly, and cracks of the welding seams caused by large temperature difference stress are avoided while the internal stress of the welding seams is removed.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a chemical machinery equipment field, concretely relates to pressure vessel casing welding seam destressing heating device.
[ background of the invention ]
The shell of the pressure container generally comprises a cylinder body and a seal head, the cylinder body is connected with the seal head in a welding mode, and a welding seam needs to be heated after welding to remove internal stress in the welding seam.
Therefore, there is a need for a pressure vessel shell weld seam de-stressing heating apparatus that addresses the above-mentioned problems.
[ Utility model ] content
In order to solve the above problem, an object of the present invention is to provide a heating device for removing stress of a welding seam of a pressure vessel shell, which can make the welding seam heated uniformly.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a pressure vessel shell weld joint de-stressing heating apparatus, comprising: interior heating device and outer heating device, interior heating device includes: the inner support frame and set up cotton and the interior crawler-type hot plate of keeping warm between inner support frame and shells inner wall, be equipped with first cavity between interior crawler-type hot plate and the shells inner wall, outer heating device includes: the outer support frame, the outer heat insulation cotton and the outer crawler-type heating plate are arranged between the outer support frame and the outer wall of the shell, and a second cavity is arranged between the outer crawler-type heating plate and the outer wall of the shell.
Preferably, the utility model provides a pressure vessel casing welding seam destressing heating device further sets up to: the inner support frame includes: the supporting device comprises a base plate, a blocking ring, an inner supporting barrel, a supporting ring and a supporting tube, wherein the outer circumferential surface of the blocking ring is welded with the base plate, one end of the inner supporting barrel is welded with the blocking ring, the other end of the inner supporting barrel is welded with the supporting ring, a clamping groove matched with the supporting ring is formed in the free tail end of the supporting tube, and the supporting ring is contained in the clamping groove of the supporting tube and welded with the supporting tube.
Preferably, the utility model provides a pressure vessel casing welding seam destressing heating device further sets up to: the baffle ring is positioned with the internal part in the shell through the positioning pipe.
Preferably, the utility model provides a pressure vessel casing welding seam destressing heating device further sets up to: the backing plate and the baffle ring are arranged vertically.
Preferably, the utility model provides a pressure vessel casing welding seam destressing heating device further sets up to: the quantity of stay tube is two, and two stay tubes are the crisscross setting of cross.
Preferably, the utility model provides a pressure vessel casing welding seam destressing heating device further sets up to: the outer support frame includes: the outer support cylinder comprises an upper half, a lower half, an outer support cylinder body, a first outer baffle and a second outer baffle, wherein the first outer baffle is welded at one end of the outer support cylinder body, the second outer baffle is welded at the other end of the outer support cylinder body, and the upper half and the lower half are respectively welded with the outer wall of the outer support cylinder body.
Preferably, the utility model provides a pressure vessel casing welding seam destressing heating device further sets up to: the first outer baffle and the second outer baffle are respectively and vertically arranged with the outer support cylinder.
Preferably, the utility model provides a pressure vessel casing welding seam destressing heating device further sets up to: the upper half and the lower half are formed by welding a plurality of angle steels.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses an inboard and the outside at the casing welding seam all are provided with heating device to make the welding seam be heated evenly, avoided the welding seam to produce the crackle because of the difference in temperature stress is big again when getting rid of the welding seam internal stress.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of the welding seam stress-relief heating device of the middle pressure vessel shell of the present invention.
Fig. 2 is a schematic sectional structural view of the welding seam stress-relief heating device of the middle pressure vessel shell of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
In fig. 1 to 3: 1. the heat insulation device comprises an inner heating device, 10, an inner support frame, 100, a base plate, 101, a baffle ring, 102, an inner support cylinder body, 103, a support ring, 104, a support pipe, 1040, a clamping groove, 105, a positioning pipe, 11, inner heat insulation cotton, 12, an inner crawler type heating plate, 13, a first cavity, 2, an outer heating device, 20, an outer support frame, 200, an upper huff, 201, a lower huff, 202, an outer support cylinder body, 203, a first outer baffle, 204, a second outer baffle, 21, outer heat insulation cotton, 22, an outer crawler type heating plate, 23, a second cavity, 3 and a shell.
[ detailed description ] embodiments
The present invention will be described in further detail with reference to the following embodiments, which illustrate a heating apparatus for de-stressing a weld of a pressure vessel shell.
Referring to fig. 1 to 3, a stress relieving heating apparatus for a weld of a pressure vessel shell includes: an inner heating device 1 and an outer heating device 2.
The internal heating device 1 includes: the inner support frame 10, the inner heat insulation cotton 11 and the inner crawler type heating plate 12 are arranged between the inner support frame 10 and the inner wall of the shell 3, and a first cavity 13 is arranged between the inner crawler type heating plate 12 and the inner wall of the shell 3. The inner support frame 10 includes: the bearing plate 100 is perpendicular to the baffle ring 101, the outer circumferential surface of the baffle ring 101 is welded to the bearing plate 100, one end of the inner support cylinder 102 is welded to the baffle ring 101, the other end of the inner support cylinder 102 is welded to the support ring 103, a clamping groove 1040 matched with the support ring 103 is formed in the free tail end of the support tube 104, and the support ring 103 is accommodated in the clamping groove 1040 of the support tube 104 and welded to the support tube 104. The baffle ring 101 is positioned with the internal part in the housing 3 by positioning tubes 105, in this embodiment, the number of the support tubes 104 is two, and the two support tubes 104 are arranged in a cross shape.
The external heating device 2 includes: the outer support frame 20, the outer heat preservation cotton 21 and the outer crawler-type heating plate 22 which are arranged between the outer support frame 20 and the outer wall of the shell 3, and a second cavity 23 is arranged between the outer crawler-type heating plate 22 and the outer wall of the shell 3. Said outer support frame 20 comprises: the outer support cylinder comprises an upper half 200, a lower half 201, an outer support cylinder 202, a first outer baffle 203 and a second outer baffle 204, wherein the upper half 200 and the lower half 201 are formed by welding a plurality of angle steels, the first outer baffle 203 is welded at one end of the outer support cylinder 202, the second outer baffle 204 is welded at the other end of the outer support cylinder 202, and the upper half 200 and the lower half 201 are respectively welded with the outer wall of the outer support cylinder 202. The first outer baffle 203 and the second outer baffle 204 are respectively perpendicular to the outer support cylinder 202.
To sum up, the utility model discloses an all be provided with heating device in the inboard and the outside of casing welding seam to make the welding seam be heated evenly, avoided the welding seam to produce the crackle because of the difference in temperature stress is big when getting rid of the welding seam internal stress.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. A pressure vessel shell weld joint destressing heating apparatus, comprising: interior heating device and outer heating device, interior heating device includes: the inner support frame and set up cotton and the interior crawler-type hot plate of keeping warm between inner support frame and shells inner wall, be equipped with first cavity between interior crawler-type hot plate and the shells inner wall, outer heating device includes: the outer support frame, the outer heat insulation cotton and the outer crawler-type heating plate are arranged between the outer support frame and the outer wall of the shell, and a second cavity is arranged between the outer crawler-type heating plate and the outer wall of the shell.
2. A pressure vessel shell weld joint destressing heating apparatus as claimed in claim 1, wherein: the inner support frame includes: the supporting device comprises a base plate, a blocking ring, an inner supporting barrel, a supporting ring and a supporting tube, wherein the outer circumferential surface of the blocking ring is welded with the base plate, one end of the inner supporting barrel is welded with the blocking ring, the other end of the inner supporting barrel is welded with the supporting ring, a clamping groove matched with the supporting ring is formed in the free tail end of the supporting tube, and the supporting ring is contained in the clamping groove of the supporting tube and welded with the supporting tube.
3. A pressure vessel shell weld joint destressing heating apparatus as claimed in claim 2, wherein: the baffle ring is positioned with the internal part in the shell through the positioning pipe.
4. A pressure vessel shell weld joint destressing heating apparatus as claimed in claim 2, wherein: the backing plate and the baffle ring are arranged vertically.
5. A pressure vessel shell weld joint destressing heating apparatus as claimed in claim 2, wherein: the quantity of stay tube is two, and two stay tubes are the crisscross setting of cross.
6. A pressure vessel shell weld joint destressing heating apparatus as claimed in claim 1, wherein: the outer support frame includes: the outer support cylinder comprises an upper half, a lower half, an outer support cylinder body, a first outer baffle and a second outer baffle, wherein the first outer baffle is welded at one end of the outer support cylinder body, the second outer baffle is welded at the other end of the outer support cylinder body, and the upper half and the lower half are respectively welded with the outer wall of the outer support cylinder body.
7. The apparatus of claim 6 for destressing and heating a weld of a pressure vessel shell, wherein: the first outer baffle and the second outer baffle are respectively and vertically arranged with the outer support cylinder.
8. The apparatus of claim 6 for destressing and heating a weld of a pressure vessel shell, wherein: the upper half and the lower half are formed by welding a plurality of angle steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647953.5U CN210030799U (en) | 2019-05-08 | 2019-05-08 | Stress-relieving heating device for welding seam of pressure vessel shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647953.5U CN210030799U (en) | 2019-05-08 | 2019-05-08 | Stress-relieving heating device for welding seam of pressure vessel shell |
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| Publication Number | Publication Date |
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| CN210030799U true CN210030799U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920647953.5U Active CN210030799U (en) | 2019-05-08 | 2019-05-08 | Stress-relieving heating device for welding seam of pressure vessel shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109943689A (en) * | 2019-05-08 | 2019-06-28 | 张化机（苏州）重装有限公司 | A kind of vessel shell weld seam destressing heating device |
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2019
- 2019-05-08 CN CN201920647953.5U patent/CN210030799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109943689A (en) * | 2019-05-08 | 2019-06-28 | 张化机（苏州）重装有限公司 | A kind of vessel shell weld seam destressing heating device |
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