CN210506495U - Annular carburizing furnace cooling tube mounting structure - Google Patents
Annular carburizing furnace cooling tube mounting structure Download PDFInfo
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- CN210506495U CN210506495U CN201921347332.1U CN201921347332U CN210506495U CN 210506495 U CN210506495 U CN 210506495U CN 201921347332 U CN201921347332 U CN 201921347332U CN 210506495 U CN210506495 U CN 210506495U
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Abstract
The utility model relates to an annular carburizing furnace, specific annular carburizing furnace cooling tube mounting structure that says so belongs to cooling tube installation technical field. The furnace comprises a furnace body, a protective pipe, a cooling outer pipe and a cooling inner pipe, wherein a cooling opening is formed in the furnace body, the protective pipe is welded on the cooling opening, and an opening at the upper end of the protective pipe extends out of the furnace body and is welded with a protective pipe flange; the lower part of the cooling outer pipe extends into the furnace body from the inside of the protective pipe, an outer pipe sealing flange is welded on the outer surface of the upper part of the cooling outer pipe, and the outer pipe sealing flange is detachably connected with the protective pipe flange through a plurality of connecting pieces; the cooling inner pipe is positioned in the cooling outer pipe. The utility model adopts a multilayer pipe body structure of the protective pipe, the cooling outer pipe and the cooling inner pipe to ensure the sealing performance of the cooling pipe installation and ensure the air tightness of the furnace gas; the cooling outer pipe and the cooling inner pipe are arranged inside and outside, so that the maintenance work is convenient, and the maintenance cost is reduced; the cooling pipe can be quickly replaced without stopping the furnace, the furnace stopping time is reduced, and the working continuity of the equipment is ensured.
Description
Technical Field
The utility model relates to an annular carburizing furnace, specific annular carburizing furnace cooling tube mounting structure that says so belongs to cooling tube installation technical field.
Background
In an annular carburizing furnace, a hot workpiece needs to be rapidly cooled in a rapid cooling ring section. As the furnace is heated to 1000 ℃ for a long time, high carbon potential atmosphere is introduced into the furnace, and the installation of the cooling pipe needs to consider the sealing property in order to ensure the air tightness. In the prior art, the cooling pipe is switched between high temperature and low temperature for a long time, the service life is short, and the replacement is troublesome.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned weak point to provide an annular carburizing furnace cooling tube mounting structure, improved the sealing performance of cooling tube installation department, the dismouting is changed and is maintained convenient and fast, and life is longer.
According to the technical scheme provided by the utility model, annular carburizing furnace cooling tube mounting structure includes furnace body, pillar, cooling outer tube and cooling inner tube, is equipped with cooling opening, characterized by on the furnace body: a protective pipe is welded on the cooling opening, and an opening at the upper end of the protective pipe extends out of the furnace body and is welded with a protective pipe flange; the lower part of the cooling outer pipe extends into the furnace body from the inside of the protective pipe, an outer pipe sealing flange is welded on the outer surface of the upper part of the cooling outer pipe, and the outer pipe sealing flange is detachably connected with the protective pipe flange through a plurality of connecting pieces; the cooling inner pipe is located the cooling outer pipe, and the cooling outer pipe is stretched out and the welding inner pipe sealing flange in cooling inner pipe upper end, and cooling outer pipe upper portion opening welding outer pipe mounting flange, outer pipe mounting flange pass through a plurality of connecting piece detachable connection inner pipe sealing flange.
Furthermore, a sealing ring is arranged between the contact end faces of the outer pipe sealing flange and the protecting pipe flange.
Furthermore, an exhaust pipe is arranged on the outer surface of the upper part of the cooling outer pipe, and the inner cavity of the exhaust pipe is communicated with the inner cavity of the cooling outer pipe.
Compared with the prior art, the utility model has the advantages that:
the utility model has simple, compact and reasonable structure, adopts the multilayer pipe body structure of the protective pipe, the cooling outer pipe and the cooling inner pipe to ensure the sealing performance of the cooling pipe installation and ensure the gas tightness of the furnace gas; the cooling outer pipe and the cooling inner pipe are arranged inside and outside, so that the maintenance work is convenient, and the maintenance cost is reduced; the cooling pipe can be quickly replaced without stopping the furnace, the furnace stopping time is reduced, and the working continuity of the equipment is ensured.
Drawings
Fig. 1 is a front view of the present invention.
Description of reference numerals: 1-furnace body, 2-protective pipe, 3-cooling outer pipe, 4-cooling inner pipe, 5-protective pipe flange, 6-outer pipe sealing flange, 7-outer pipe mounting flange, 8-inner pipe sealing flange, 9-exhaust pipe and 10-sealing ring.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
as shown in figure 1, the utility model mainly comprises a furnace body 1, a protective tube 2, a cooling outer tube 3 and a cooling inner tube 4, wherein a cooling opening is arranged on the furnace body 1, and the protective tube 2 is welded on the cooling opening. The upper end opening of the protective pipe 2 extends out of the furnace body 1 and is welded with a protective pipe flange 5.
The lower part of the cooling outer pipe 3 extends into the furnace body 1 from the protective pipe 2, the outer surface of the upper part of the cooling outer pipe 3 is welded with an outer pipe sealing flange 6, and the outer pipe sealing flange 6 is detachably connected with a protective pipe flange 5 through a plurality of connecting pieces.
And a sealing ring 10 is arranged between the contact end surfaces of the outer pipe sealing flange 6 and the protective pipe flange 5.
And an exhaust pipe 9 is arranged on the outer surface of the upper part of the cooling outer pipe 3, and the inner cavity of the exhaust pipe 9 is communicated with the inner cavity of the cooling outer pipe 3.
The cooling inner tube 4 is located the cooling outer tube 3, and the cooling outer tube 3 and welding inner tube sealing flange 8 are stretched out to 4 upper ends in the cooling inner tube, and 3 upper portion openings in the cooling outer tube weld outer tube mounting flange 7, and outer tube mounting flange 7 is through a plurality of connecting piece detachable connection inner tube sealing flange 8.
The utility model has simple, compact and reasonable structure, adopts the multilayer pipe body structure of the protective pipe, the cooling outer pipe and the cooling inner pipe to ensure the sealing performance of the cooling pipe installation and ensure the gas tightness of the furnace gas; the cooling outer pipe and the cooling inner pipe are arranged inside and outside, so that the maintenance work is convenient, and the maintenance cost is reduced; the cooling pipe can be quickly replaced without stopping the furnace, the furnace stopping time is reduced, and the working continuity of the equipment is ensured.
Claims (3)
1. The utility model provides an annular carburizing furnace cooling tube mounting structure, includes furnace body (1), pillar (2), cooling outer tube (3) and cooling inner tube (4), is equipped with cooling opening, characterized by on furnace body (1): a protective pipe (2) is welded on the cooling opening, and an opening at the upper end of the protective pipe (2) extends out of the furnace body (1) and is welded with a protective pipe flange (5); the lower part of the cooling outer pipe (3) extends into the furnace body (1) from the protective pipe (2), an outer pipe sealing flange (6) is welded on the outer surface of the upper part of the cooling outer pipe (3), and the outer pipe sealing flange (6) is detachably connected with the protective pipe flange (5) through a plurality of connecting pieces; the cooling inner pipe (4) is located the cooling outer pipe (3), the upper end of the cooling inner pipe (4) stretches out the cooling outer pipe (3) and is welded with the inner pipe sealing flange (8), the upper opening of the cooling outer pipe (3) is welded with the outer pipe mounting flange (7), and the outer pipe mounting flange (7) is detachably connected with the inner pipe sealing flange (8) through a plurality of connecting pieces.
2. The annular carburizing furnace cooling pipe mounting structure of claim 1, characterized in that: and a sealing ring (10) is arranged between the contact end surfaces of the outer pipe sealing flange (6) and the protecting pipe flange (5).
3. The annular carburizing furnace cooling pipe mounting structure of claim 1, characterized in that: the outer surface of the upper part of the cooling outer pipe (3) is provided with an exhaust pipe (9), and the inner cavity of the exhaust pipe (9) is communicated with the inner cavity of the cooling outer pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347332.1U CN210506495U (en) | 2019-08-19 | 2019-08-19 | Annular carburizing furnace cooling tube mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347332.1U CN210506495U (en) | 2019-08-19 | 2019-08-19 | Annular carburizing furnace cooling tube mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210506495U true CN210506495U (en) | 2020-05-12 |
Family
ID=70590402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921347332.1U Active CN210506495U (en) | 2019-08-19 | 2019-08-19 | Annular carburizing furnace cooling tube mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210506495U (en) |
-
2019
- 2019-08-19 CN CN201921347332.1U patent/CN210506495U/en active Active
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