CN207438121U - A kind of Annealing Protection pipe - Google Patents
A kind of Annealing Protection pipe Download PDFInfo
- Publication number
- CN207438121U CN207438121U CN201721383840.6U CN201721383840U CN207438121U CN 207438121 U CN207438121 U CN 207438121U CN 201721383840 U CN201721383840 U CN 201721383840U CN 207438121 U CN207438121 U CN 207438121U
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- CN
- China
- Prior art keywords
- segment
- flange
- protection pipe
- annealing
- annealing protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000137 annealing Methods 0.000 title claims abstract description 49
- 239000010425 asbestos Substances 0.000 claims abstract description 9
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 12
- 238000007254 oxidation reaction Methods 0.000 abstract description 9
- 230000003647 oxidation Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010622 cold drawing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Heat Treatment Of Articles (AREA)
Abstract
A kind of Annealing Protection pipe provided by the utility model; it is made of first segment and second segment; the end of the first segment and the second segment is both provided with dome head; the junction of the first segment and the second segment is respectively arranged with first flange and second flange; connecting hole is provided in the first flange and the second flange and is fastened together by the connecting hole; the end face of the second flange is provided with seal groove, and asbestos seal ring is placed in the seal groove.Pass through the utility model so that for material in entire annealing process, Annealing Protection pipe can be good at the entrance for completely cutting off external oxidation gas, so as to ensure material non-oxidation in entire annealing process, and then improves production efficiency, meets product quality.
Description
Technical field
The utility model is related to a kind of machinery fields, and in particular to a kind of Annealing Protection pipe.
Background technology
Cold drawing is to apply external force to steel at normal temperatures, the one of the appearance and size that it is allowed to generate plastic deformation and is needed
Kind processing technology.Since metal is during cold deformation, crystal grain generates dislocation, and resistance of deformation improves, and attribute is deteriorated.In multiple tracks
In secondary drawing process or when final finished property is annealed, it just must carry out intermediate annealing (recrystallization annealing) and finished product moves back
Fire.Electrical heating shield type annealing furnace is generally suitable for the annealing furnace of cold drawing steel, this kind of type of furnace has higher cost performance, only
One is disadvantageous in that it without protective atmosphere, and the material after annealing has more oxide skin, particularly some medium carbon alloy steels,
After bearing steel annealing, surface oxidation formation is difficult to pickling, the spinel structure of ball blast removal.If the oxide skin on surface cannot have
Effect is removed totally, not only reduces production efficiency, but also can influence the surface quality of product, cannot finally meet the need of client
It asks.
Utility model content
The utility model provides a kind of Annealing Protection pipe, to solve problem of oxidation of the material in annealing process.
In order to solve the above technical problems, a kind of Annealing Protection pipe provided by the utility model is by first segment and second segment group
Into the end of the first segment and the second segment is both provided with dome head, the connection of the first segment and the second segment
Place is respectively arranged with first flange and second flange, is provided with connecting hole in the first flange and the second flange and passes through
The connecting hole is fastened together, and the end face of the second flange is provided with seal groove, and stone is placed in the seal groove
Minuteness seal.
The quantity of the connecting hole is 8 and is evenly distributed in the first flange and the second flange.
The first flange and the second flange are fastened together by bolt, washer, nut.
Support plate is further included, the support plate is arranged on the first segment and the second segment.
The quantity of the support plate is 6 groups.
The advantageous effect that the utility model is brought：A kind of Annealing Protection pipe provided by the utility model is by setting first
Section, second segment, first flange, second flange, seal groove, asbestos seal ring, support plate so that material is in entire annealing process
In, Annealing Protection pipe can be good at the entrance for completely cutting off external oxidation gas, so as to ensure material in entire annealing process
Non-oxidation.The advantages of can not only reaching material surface non-scale using the Annealing Protection pipe, and can significantly reduce and move back
The newly-increased decarburized layer of fiery material, and then production efficiency is improved, meet product quality.
Description of the drawings
Fig. 1 is the overall structure diagram according to the Annealing Protection pipe of the utility model embodiment.
Fig. 2 is the schematic enlarged-scale view in C regions in Fig. 1 according to the utility model embodiment.
Wherein, A- first segments, B- second segments, 1- dome heads, 2- support plates, 3- bolts, 4- first flanges, 5- asbestos are close
Seal, 6- second flanges, 7- washers, 8- nuts.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage clearer, below in conjunction with drawings and the specific embodiments,
The utility model is described in further detail.
Fig. 1 is the overall structure diagram according to the Annealing Protection pipe of the utility model embodiment.Fig. 2 is according to this practicality
The schematic enlarged-scale view in C regions in Fig. 1 of new embodiment.
A kind of Annealing Protection pipe provided by the utility model is made of first segment A and second segment B, the first segment A and institute
The end for stating second segment B is both provided with dome head 1, and the junction of the first segment A and the second segment B are respectively arranged with
One flange 4 and second flange 6 are provided with connecting hole and by the connecting hole in the first flange 4 and the second flange 6
It is fastened together, the quantity of the connecting hole is 8 and is evenly distributed on the first flange 4 and the second flange 6
On.The end face of the second flange 6 is provided with seal groove, and asbestos seal ring 5, the asbestos seal are placed in the seal groove
Circle (5) can also ensure Annealing Protection pipe good sealing performance while high temperature is born.
Furthermore, it is understood that the first flange 4 and the second flange 6 are fastenedly connected by bolt 3, washer 7, nut 8
Together.In addition, a kind of Annealing Protection pipe provided by the utility model further includes support plate 2, the support plate 2 is arranged on described
On first segment A and the second segment B, the quantity of the support plate 2 is 6 groups, can prevent that Annealing Protection pipe becomes in heating process
Shape.
In the present embodiment, a kind of Annealing Protection pipe provided by the utility model is two-part structure, passes through flanged joint
Cheng overall lengths be 7.7m, the sealed shell of tank of a diameter of 478mm.The circular tube body of Annealing Protection pipe is rolled using high-quality heat-resistance stainless steel plate
Welding forming is pressed, the first segment A length is 5.5m, and the length of the second segment B is 2.2m.The first segment A and described
The circular tube end portion of two sections of B is all welded with the junction difference of the dome head 1, the first segment A and the second segment B
It is welded with the first flange 4 and the second flange 6.The end face of the second flange 6 is provided with the seal groove of two groups of 5*10,
For placing the heat safe asbestos seal ring 5.8 spiral shells are evenly distributed in the first flange 4 and the second flange 6
Bolt connecting hole, and the first segment A and second segment B is connected by the bolt 3 of M16*180 and is sealed into a homogeneous tube, whole
Tube body is also welded with support plate 2 described in 6 groups in different parts, can thus prevent that Annealing Protection pipe becomes in heating process
Shape.General 4 of the Annealing Protection pipe is one group, and after charging sealing, stacking is positioned in heating furnace.
When using a kind of Annealing Protection pipe provided by the utility model, it would be desirable to the cold drawing material of annealing is tied up securely,
It is lifted using driving, by entire bundle material loaded in Annealing Protection pipe, then in the first flange 4 and the second flange 6
The asbestos seal ring 5 is placed in end face, then with the bolt 3, the washer 7, the nut 8 by the first segment A and institute
State second segment B lock sealings.According to said method, 4 Annealing Protection pipes are installed, lifting stacking is in annealing furnace heating furnace, by work
Skill requirement, which is powered, to heat up.In entire annealing process, Annealing Protection pipe can be good at the entrance for completely cutting off external oxidation gas,
So that material non-oxidation in entire annealing process.
In conclusion a kind of Annealing Protection pipe provided by the utility model is by setting first segment, second segment, the first method
Orchid, second flange, seal groove, asbestos seal ring, support plate so that for material in entire annealing process, Annealing Protection pipe can
The entrance of isolation external oxidation gas well, so as to ensure material non-oxidation in entire annealing process.Use the annealing
Protection pipe can not only reach the advantages of material surface non-scale, and can significantly reduce the newly-increased decarburization of annealed material
Layer, and then production efficiency is improved, meet product quality.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modifications, equivalent replacements and improvements are made should be included within the right of the utility model.
Claims (5)
1. a kind of Annealing Protection pipe, which is characterized in that be made of first segment (A) and second segment (B), the first segment (A) and institute
The end for stating second segment (B) is both provided with the junction difference of dome head (1), the first segment (A) and the second segment (B)
First flange (4) and second flange (6) are provided with, connecting hole is provided in the first flange (4) and the second flange (6)
And be fastened together by the connecting hole, the end face of the second flange (6) is provided with seal groove, in the seal groove
It is placed with asbestos seal ring (5).
2. Annealing Protection pipe as described in claim 1, which is characterized in that the quantity of the connecting hole is 8 and is uniformly distributed
In the first flange (4) and the second flange (6).
3. Annealing Protection pipe as described in claim 1, which is characterized in that the first flange (4) and the second flange (6)
It is fastened together by bolt (3), washer (7), nut (8).
4. Annealing Protection pipe as described in claim 1, which is characterized in that further include support plate (2), the support plate (2) sets
It puts on the first segment (A) and the second segment (B).
5. Annealing Protection pipe as claimed in claim 4, which is characterized in that the quantity of the support plate (2) is 6 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383840.6U CN207438121U (en) | 2017-10-25 | 2017-10-25 | A kind of Annealing Protection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383840.6U CN207438121U (en) | 2017-10-25 | 2017-10-25 | A kind of Annealing Protection pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207438121U true CN207438121U (en) | 2018-06-01 |
Family
ID=62293827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721383840.6U Expired - Fee Related CN207438121U (en) | 2017-10-25 | 2017-10-25 | A kind of Annealing Protection pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207438121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707986A (en) * | 2017-10-25 | 2019-05-03 | 无锡天辰冷拉型钢有限公司 | A kind of Annealing Protection pipe |
-
2017
- 2017-10-25 CN CN201721383840.6U patent/CN207438121U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707986A (en) * | 2017-10-25 | 2019-05-03 | 无锡天辰冷拉型钢有限公司 | A kind of Annealing Protection pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Annealing protecting pipe Effective date of registration: 20190912 Granted publication date: 20180601 Pledgee: Bank of Jiangsu Wuxi branch Limited by Share Ltd. Huishan Pledgor: WUXI TIANCHEN COLD-DRAWING STEEL Co.,Ltd. Registration number: Y2019990000231 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |