CN204999856U - Pyrolysis furnace tie -in structure - Google Patents
Pyrolysis furnace tie -in structure Download PDFInfo
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- CN204999856U CN204999856U CN201520689230.3U CN201520689230U CN204999856U CN 204999856 U CN204999856 U CN 204999856U CN 201520689230 U CN201520689230 U CN 201520689230U CN 204999856 U CN204999856 U CN 204999856U
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- boiler tube
- flange
- pilot hole
- described boiler
- pipe section
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Abstract
The utility model discloses a pyrolysis furnace tie -in structure, include with pyrolysis furnace furnace body connected's boiler tube, its characterized in that: the boiler tube comprises several end to end's boiler tube, the boiler tube is with adjacent be provided with between the boiler tube and connect lap joint flange structure between them, the lap joint flange structure is including setting up respectively in under and lap joint flange structure of the last lap joint flange structure of corresponding boiler tube tip, just it is adjacent to be provided with the embedding on the boiler tube concave surface or convex surface in the boiler tube. To the problem that traditional structure exists, the special improvement to ball joint corrugated surface flange joint, the dismantlement is simple, and it is convenient to change the boiler tube, more finishes changing the back, and it is qualified that whole pipe -line system is whole hydrostatic test.
Description
Technical field
The utility model relates to a kind of syndeton, particularly relates to a kind of cracking furnace pipe section connection structure.
Background technology
Syndeton in traditional pyrolyzer between pipeline section mostly is welded construction, but the large light maintenance regular due to chemical industry and the maintenance to equipment, need often to dismantle, therefore welded construction dismounting comparatively bothers, 100% radiographic test again is all needed after each welding, larger on job schedule impact.Therefore a kind of pyrolyzer pipeline section syndeton overcoming above problem is studied necessary.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of cracking furnace pipe section connection structure, has the feature of easy accessibility, good sealing effect.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of cracking furnace pipe section connection structure, comprise the boiler tube be connected with pyrolyzer body of heater, its innovative point is: described boiler tube is made up of several end to end boiler tube, the loose type flange structure both being connected is provided with between described boiler tube with adjacent described boiler tube, described loose type flange structure comprises the upper loose type flange structure and lower loose type flange structure that are separately positioned on corresponding boiler tube end, and the concave surface described boiler tube is provided with in the adjacent described boiler tube of embedding or convex surface.
Preferably, described boiler tube is made up of end to end boiler tube A and boiler tube B, and described boiler tube A is provided with loose type flange structure, described boiler tube B is provided with the lower loose type flange structure used with described upper loose type flange respective outer side edges.
Preferably, the end that described boiler tube A contacts with described boiler tube B is provided with the first flange with described boiler tube A integrative-structure, described upper loose type flange structure is first flange of empty set on described boiler tube A, and described first flange is against on described first flange; The end that described boiler tube B contacts with described boiler tube A is provided with the second flange with described boiler tube B integrative-structure, described lower loose type flange structure is second flange of empty set on described boiler tube B, and described second flange is against on described second flange.
Preferably, described boiler tube A is embedded with the first briquetting between described first flange and described first flange.
Preferably, described boiler tube B is embedded with the second briquetting between described second flange and described second flange.
Preferably, the fastening sleeve of empty set on described boiler tube A and described boiler tube B is provided with between described first flange and described second flange.
Preferably, sealing-ring is provided with between the end that described boiler tube A contacts with described boiler tube B.
Preferably, the boiler tube inwall that described boiler tube A contacts with described boiler tube B is provided with the first pilot hole that diameter is greater than boiler tube A internal diameter, the boiler tube inwall that described boiler tube B contacts with described boiler tube A is provided with the second pilot hole that diameter is greater than boiler tube B internal diameter, the diameter of described second pilot hole equals the diameter of described first pilot hole; The boiler tube inwall that described boiler tube A and described boiler tube B contacts is provided with the inner sleeve be interference fitted in described first pilot hole and described second pilot hole, the central axes of described inner sleeve central axis and described boiler tube A.
Preferably, described inner sleeve is whippy structure.
Preferably, described first pilot hole and described second pilot hole are spherical structure, and described first pilot hole and described second pilot hole arc transition.
The utility model has the advantage of: for traditional structure Problems existing, spy is improved to spherical joint male and female flange and connects, and dismounting is simple, and change boiler tube convenient, after more finishing changing, it is qualified that whole piping system does Hydrostatic test.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, further detailed description is done to the utility model;
Fig. 1 is the structural representation of a kind of cracking furnace pipe section connection structure of the utility model;
In figure: loose type flange structure under the upper loose type flange structure of 1-, 11-first briquetting, 2-, 21-second briquetting, 3-concave surface, 4-convex surface, 5-boiler tube A, 51-first flange, 52-first pilot hole, 6-boiler tube B, 61-second flange, 62-second pilot hole, 7-sealing-ring, 8-fastening sleeve, 9-inner sleeve.
Embodiment
Cracking furnace pipe section connection structure of the present utility model, comprise the boiler tube be connected with pyrolyzer body of heater, boiler tube is made up of several end to end boiler tube, the loose type flange structure both being connected is provided with between boiler tube with adjacent boiler tube, loose type flange structure comprises the upper loose type flange structure 1 and lower loose type flange structure 2 that are separately positioned on corresponding boiler tube end, and the concave surface 3 boiler tube is provided with in the adjacent boiler tube of embedding or convex surface 4.By adopting said structure, in utilization, loose type flange structure 1 and lower loose type flange structure 2 realize releasable connection, utilize spherical joint male and fomale(M&F) 4 Flange joint to realize sealing.
Above-mentioned boiler tube is made up of end to end boiler tube A51 and boiler tube B6, boiler tube A51 is provided with loose type flange structure 1, boiler tube B6 is provided with upper loose type flange structure 1 with the use of lower loose type flange structure 2.The end that boiler tube A51 contacts with boiler tube B6 is provided with the first flange 51 with boiler tube A51 integrative-structure, upper loose type flange structure 1 is first flange of empty set on boiler tube A51, and the first flange is against on the first flange 51; The end that boiler tube B6 contacts with boiler tube A51 is provided with the second flange 61 with boiler tube B6 integrative-structure, lower loose type flange structure 2 is second flange of empty set on boiler tube B6, and the second flange is against on the second flange 61.
For the ease of the axial location of the first flange, between upper first flange of boiler tube A51 and the first flange 51, be embedded with the first briquetting 11.For the ease of the axial limiting of the second flange, between upper second flange of boiler tube B6 and the second flange 61, be embedded with the second briquetting 21.In order to enhanced leaktightness performance, between the end that boiler tube A51 contacts with boiler tube B6, be provided with sealing-ring 7.In order to prevent the generation of possible secondary Sealing Phenomenon, between the first flange and the second flange, be provided with the fastening sleeve 8 of empty set on boiler tube A51 and boiler tube B6.
In order to Leakage prevention occurs to greatest extent, the boiler tube inwall that boiler tube A51 contacts with boiler tube B6 is provided with the first pilot hole 52 that diameter is greater than boiler tube A51 internal diameter, the boiler tube inwall that boiler tube B6 contacts with boiler tube A51 is provided with the diameter that diameter that diameter is greater than the second pilot hole 62, second pilot hole 62 of boiler tube B6 internal diameter equals the first pilot hole 52; The boiler tube inwall that boiler tube A51 and boiler tube B6 contacts is provided with the inner sleeve 9 be interference fitted in the first pilot hole 52 and the second pilot hole 62, the central axes of inner sleeve 9 central axis and boiler tube A51, above-mentioned inner sleeve 9 is whippy structure.Be positioned in the first pilot hole 52 and the second pilot hole 62 smoothly for the ease of inner sleeve 9, the first pilot hole 52 and the second pilot hole 62 are spherical structure, and the first pilot hole 52 and the second pilot hole 62 arc transition.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and non-limiting technical scheme, those of ordinary skill in the art is to be understood that, those are modified to technical scheme of the present invention or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a cracking furnace pipe section connection structure, comprise the boiler tube be connected with pyrolyzer body of heater, it is characterized in that: described boiler tube is made up of several end to end boiler tube, the loose type flange structure both being connected is provided with between described boiler tube with adjacent described boiler tube, described loose type flange structure comprises the upper loose type flange structure and lower loose type flange structure that are separately positioned on corresponding boiler tube end, and the concave surface described boiler tube is provided with in the adjacent described boiler tube of embedding or convex surface.
2. a kind of cracking furnace pipe section connection structure as claimed in claim 1, it is characterized in that: described boiler tube is made up of end to end boiler tube A and boiler tube B, described boiler tube A is provided with loose type flange structure, described boiler tube B is provided with the lower loose type flange structure used with described upper loose type flange respective outer side edges.
3. a kind of cracking furnace pipe section connection structure as claimed in claim 2, it is characterized in that: the end that described boiler tube A contacts with described boiler tube B is provided with the first flange with described boiler tube A integrative-structure, described upper loose type flange structure is first flange of empty set on described boiler tube A, and described first flange is against on described first flange; The end that described boiler tube B contacts with described boiler tube A is provided with the second flange with described boiler tube B integrative-structure, described lower loose type flange structure is second flange of empty set on described boiler tube B, and described second flange is against on described second flange.
4. a kind of cracking furnace pipe section connection structure as claimed in claim 3, is characterized in that: described boiler tube A is embedded with the first briquetting between described first flange and described first flange.
5. a kind of cracking furnace pipe section connection structure as claimed in claim 3, is characterized in that: described boiler tube B is embedded with the second briquetting between described second flange and described second flange.
6. a kind of cracking furnace pipe section connection structure as claimed in claim 3, is characterized in that: be provided with the fastening sleeve of empty set on described boiler tube A and described boiler tube B between described first flange and described second flange.
7. a kind of cracking furnace pipe section connection structure as claimed in claim 3, is characterized in that: be provided with sealing-ring between the end that described boiler tube A contacts with described boiler tube B.
8. a kind of cracking furnace pipe section connection structure as claimed in claim 3, it is characterized in that: the boiler tube inwall that described boiler tube A contacts with described boiler tube B is provided with the first pilot hole that diameter is greater than boiler tube A internal diameter, the boiler tube inwall that described boiler tube B contacts with described boiler tube A is provided with the second pilot hole that diameter is greater than boiler tube B internal diameter, the diameter of described second pilot hole equals the diameter of described first pilot hole; The boiler tube inwall that described boiler tube A and described boiler tube B contacts is provided with the inner sleeve be interference fitted in described first pilot hole and described second pilot hole, the central axes of described inner sleeve central axis and described boiler tube A.
9. a kind of cracking furnace pipe section connection structure as claimed in claim 8, is characterized in that: described inner sleeve is whippy structure.
10. a kind of cracking furnace pipe section connection structure as claimed in claim 8, is characterized in that: described first pilot hole and described second pilot hole are spherical structure, and described first pilot hole and described second pilot hole arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520689230.3U CN204999856U (en) | 2015-09-08 | 2015-09-08 | Pyrolysis furnace tie -in structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520689230.3U CN204999856U (en) | 2015-09-08 | 2015-09-08 | Pyrolysis furnace tie -in structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204999856U true CN204999856U (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520689230.3U Active CN204999856U (en) | 2015-09-08 | 2015-09-08 | Pyrolysis furnace tie -in structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204999856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218455A (en) * | 2017-06-30 | 2017-09-29 | 河南地之绿环保科技有限公司 | A kind of attachment structure of cracking furnace tube |
-
2015
- 2015-09-08 CN CN201520689230.3U patent/CN204999856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218455A (en) * | 2017-06-30 | 2017-09-29 | 河南地之绿环保科技有限公司 | A kind of attachment structure of cracking furnace tube |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160919 Address after: The new economic development zone in Jingjiang Jingjiang City, Jiangsu province 214500 Taizhou new East Road No. 1 Patentee after: Jiangsu grand Environment Technology Co., Ltd. Address before: The new economic development zone in Jingjiang Jingjiang City, Jiangsu province 214500 Taizhou new East Road No. 1 Patentee before: Jingjiang Glan petrochemical equipment Co., Ltd |