CN207298158U - The ring flange being welded to connect for plastic lining composite steel pipe - Google Patents
The ring flange being welded to connect for plastic lining composite steel pipe Download PDFInfo
- Publication number
- CN207298158U CN207298158U CN201721209928.6U CN201721209928U CN207298158U CN 207298158 U CN207298158 U CN 207298158U CN 201721209928 U CN201721209928 U CN 201721209928U CN 207298158 U CN207298158 U CN 207298158U
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- CN
- China
- Prior art keywords
- ring flange
- welded
- connect
- plastic lining
- steel pipe
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- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 82
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 15
- 239000000112 cooling gas Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000010935 stainless steel Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 239000002905 metal composite material Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a kind of ring flange, especially discloses a kind of ring flange being welded to connect for plastic lining composite steel pipe, belongs to plastic lining composite steel pipe and sets manufacture mounting technique field.A kind of ring flange for being used for plastic lining composite steel pipe and being welded to connect that can minimize welding heat during being welded to connect and damage is caused to connection structure is provided.The ring flange includes being provided with the ring flange body for being welded to connect groove, the groove that is welded to connect is circumferentially disposed on the axially external face of described ring flange body joint face one end, process safeguard structure is additionally provided with the ring flange body, the damage gasket and the heat of plastic lining layer produced in welding process is realized isolation by the process safeguard structure and removed.
Description
Technical field
A kind of ring flange is the utility model is related to, more particularly, to a kind of flange being welded to connect for plastic lining composite steel pipe
Disk, belongs to plastic lining composite steel pipe and manufactures and designs mounting technique field.
Background technology
In the prior art, in order to make plastic lining composite steel pipe realize that butt welding connects, need to be installed additional in the port of plastic lining composite steel pipe
One section of stainless steel tube, or install one section of Double layer metal composite pipe that lining is made with stainless steel additional.Utilize the stainless steel pipeline section or double
Layer metal composite pipeline section, ensures plastic lining composite steel pipe when butt welding connects, and the lining plastic bed of material of its port is not soldered what is produced
High temperature is destroyed.But the pipe end making for above two butt welding connection structure is relative complex, and work as tubing pair
It when weldering connects into pipe-line system, need to be welded using stainless steel electrode, not only require have higher welding technique, but also need
Will welding region carry out oxygen barrier protection, with prevent welding when stainless steel material aoxidized, cause its antiseptic property reduction.Institute
To find and design one kind and be not required to be protected using stainless steel material in lining plastic compound steel pipe port, but directly use
Ordinary carbon steel welding technique, just can by plastic lining composite steel pipe carry out butt welding connection butt welding connection structure and installation method, just into
Manufacture and design for plastic lining composite steel pipe and using the key technical problem that must take into consideration and solve.
Utility model content
Technical problem to be solved in the utility model is：There is provided one kind can minimize during being welded to connect
Welding heat causes connection structure on the ring flange for being used for plastic lining composite steel pipe and being welded to connect of damage.
Technical solution is used by solve above-mentioned technical problem：A kind of method being welded to connect for plastic lining composite steel pipe
Blue disk, including the ring flange body for being welded to connect groove is provided with, the groove that is welded to connect is circumferentially disposed at the method
On the axially external face of blue disk body joint face one end, process safeguard structure is additionally provided with the ring flange body, is welded
The damage gasket and the heat of plastic lining layer produced in termination process, realizes isolation by the process safeguard structure and removes.
The beneficial effects of the utility model are：The application will be welded by the setting up procedure safeguard structure in ring flange body
The damage gasket and the heat of plastic lining layer produced in termination process is by the process safeguard structure auxiliary isolation and clearly
Remove.Due to the welding heat that is produced during being welded to connect by the process safeguard structure carried out auxiliary isolation and
Remove, so as to avoid substantial amounts of heat from concentrating on the mounting flange body, and then can be effectively by flange
The temperature control of disk body reaches within the temperature range of it will not damage gasket and plastic lining layer and minimizes welding heat
Damage, solves in the prior art when being welded to connect to plastic lining composite steel pipe, it is necessary to use caused by connection structure
Stainless steel or Double layer metal composite pipe section are just avoided that the technical problem of plastic lining layer damage, realize the compound long-distance transport pipes of lining plastic
Freely it is welded to connect, not only increases installation effectiveness, but also the production cost of plastic lining composite steel pipe can be reduced.
It is further that the process safeguard structure includes the edge being arranged on described ring flange body joint face one end
The heat-insulated ring pads of circumferentially extending install half chamber, and the heat-insulated ring pads install outside diameter of the internal diameter more than the gasket of half chamber, institute
State heat-insulated ring pads and the outside diameter of half chamber is installed less than the bottom footpath for being welded to connect groove.
Such scheme it is preferable that, the process safeguard structure, which further includes, is arranged on ring flange body connection
Half chamber of Process Gas SAPMAC method circumferentially on the one end of face, half chamber of Process Gas SAPMAC method are located at the heat-insulated ring pads
Install in the ring flange body between half chamber and the gasket.
It is further to be provided with cooling gas input interface on half chamber of Process Gas SAPMAC method.
Such scheme it is preferable that, the process safeguard structure further includes that to be arranged on the ring flange body remote
Process Water-cooling circulating chamber circumferentially on joint face one end, projection of the process Water-cooling circulating chamber in its cross section
For rectangle, ring flange body radially extends described in the rectangular long edge.
It is further that the outside diameter of the process Water-cooling circulating chamber is not more than the internal diameter of half chamber of Process Gas SAPMAC method,
/ 3rd of of length no more than ring flange body One-sided Widths of the rectangular long side.
It is further to be additionally provided with cooling water input interface on the process Water-cooling circulating chamber.
It is further that water drenching cooling slope is additionally provided with the one end of the ring flange body away from joint face.
Brief description of the drawings
Fig. 1 is the structure diagram that the utility model is used for the ring flange that plastic lining composite steel pipe is welded to connect.
In figure mark for：Be welded to connect groove 1, ring flange body 2, process safeguard structure 3, gasket 4, plastic lining layer 5, every
It is defeated that hot ring pads install half chamber 6, half chamber 7 of Process Gas SAPMAC method, cooling gas input interface 8, process Water-cooling circulating chamber 9, cooling water
Incoming interface 10, water drenching cooling slope 11.
Embodiment
It is that one kind provided by the utility model can minimize welding heat during being welded to connect as shown in Figure 1
The ring flange for being used for plastic lining composite steel pipe and being welded to connect of damage is caused to connection structure.The ring flange includes being provided with weldering
The ring flange body 2 of groove 1 is connect in succession, and the groove 1 that is welded to connect is circumferentially disposed at 2 joint face of ring flange body
On the axially external face of one end, process safeguard structure 3 is additionally provided with the ring flange body 2, is produced in welding process
Damage gasket 4 and the heat of plastic lining layer 5 pass through the described auxiliary of process safeguard structure 3 isolation and remove.The application passes through
The setting up procedure safeguard structure 3 in ring flange body 2, by the damage gasket 4 produced in welding process and plastic lining layer 5
Heat is realized isolation by the process safeguard structure 3 and is removed.Due to the sweating heat produced during being welded to connect
Amount has carried out auxiliary isolation by the process safeguard structure 3 and has removed, so as to avoid substantial amounts of heat from concentrating on institute
In the ring flange body 2 stated, and then the temperature control of ring flange body 2 effectively can will not be damaged into gasket 4 and lining plastic
Within the temperature range of layer 5, reach and minimize welding heat and damaged caused by connection structure, to plastic lining composite steel pipe
When being welded to connect, it is necessary to the technical problem of plastic lining layer damage is just avoided that using stainless steel or Double layer metal composite pipe section,
Freely being welded to connect for the compound long-distance transport pipes of lining plastic is realized, not only increases installation effectiveness, but also lining plastic can be reduced and answered
Close the production cost of steel pipe.
In the above embodiment, the most simply isolate the mode of heat, be in gasket 4 and plastic lining layer 5 and weld seam
Joint face on be arranged on thermal insulation barriers, in view of ring flange body 2 will bear the realistic situation of larger load in use,
Process safeguard structure 3 described herein include being arranged on described 2 joint face one end of ring flange body circumferentially
Heat-insulated ring pads install half chamber 6, and the heat-insulated ring pads install outside diameter of the internal diameter more than the gasket 4 of half chamber 6, the heat insulation loop
The outside diameter of pad half chamber 6 of installation is less than the bottom footpath for being welded to connect groove 1.Although such a structure can isolate out a part of heat
Amount, but due to the heat conduction problem of of ring flange body 2 itself, the ring flange sheet at gasket 4 and plastic lining layer 5 still may be made
The thermo-field thoery of body 2.For this reason, present invention also provides further improved structure, i.e. the process safeguard structure 3 further includes
Half chamber 7 of Process Gas SAPMAC method circumferentially being arranged on described 2 joint face one end of ring flange body, the Process Gas
Half chamber 7 of SAPMAC method is installed in the ring flange body 2 between half chamber 6 and the gasket 4 positioned at the heat-insulated ring pads.In this way, work as
After the completion of the assembling of two pieces ring flange body, that is, a complete Process Gas SAPMAC method chamber is formed, then in welding process to described
Process Gas SAPMAC method chamber in input low temperature cooling gas, achieve the purpose that to take away a heat, so can be further
The temperature for reducing the ring flange body 2 at gasket 4 and plastic lining layer 5.At this time, in order into the Process Gas SAPMAC method chamber
Cooling gas is inputted, cooling gas input interface 8 is provided with half chamber 7 of Process Gas SAPMAC method.
Further, in order to protect the gasket 4 and plastic lining layer 5 to greatest extent, present invention also provides following
Reduction structure, i.e., described process safeguard structure 3, which further includes, is arranged on the ring flange body 2 away from joint face one end
Process Water-cooling circulating chamber 9 circumferentially, the process Water-cooling circulating chamber 9 is in the rectangle that is projected as of its cross section, institute
State radially extending for ring flange body 2 described in rectangular long edge；And in order to ensure the intensity of itself of ring flange body 2, institute
The outside diameter for stating process Water-cooling circulating chamber 9 is not more than the internal diameter of half chamber 7 of Process Gas SAPMAC method, the length of the rectangular long side
/ 3rd of degree no more than 2 One-sided Widths of ring flange body；Certainly, in order to facilitate the input of cooling water, described
Cooling water input interface 10 is additionally provided with process Water-cooling circulating chamber 9.
The temperature control of ring flange body 2 can not damaged by 4 He of gasket by the setting of said structure substantially
In the range of plastic lining layer 5.But due to the big multiprocessing field of the installation of long-distance transport pipes, influenced very by environment temperature at this time
Substantially, for this reason, the application is additionally provided with water drenching cooling slope 11 on the described one end of ring flange body 2 away from joint face.
In this way, when temperature drift, can also be cooled down by exterior water drenching to ring flange body.
Claims (9)
1. a kind of ring flange being welded to connect for plastic lining composite steel pipe, including it is provided with the ring flange for being welded to connect groove (1)
Body (2), it is described be welded to connect groove (1) be circumferentially disposed at the ring flange body (2) joint face one end axis it is outside
On side, it is characterised in that：Process safeguard structure (3) is additionally provided with the ring flange body (2), is produced in welding process
Raw damage gasket (4) and the heat of plastic lining layer (5), realize isolation by the process safeguard structure (3) and remove.
2. the ring flange according to claim 1 being welded to connect for plastic lining composite steel pipe, it is characterised in that：The mistake
Journey safeguard structure (3) includes being arranged on the peace of heat-insulated ring pads circumferentially on the ring flange body (2) joint face one end
Half chamber (6) is filled, the heat-insulated ring pads install outside diameter of the internal diameter more than the gasket (4) of half chamber (6), the heat-insulated ring pads peace
The outside diameter for filling half chamber (6) is less than the bottom footpath for being welded to connect groove (1).
3. the ring flange according to claim 2 being welded to connect for plastic lining composite steel pipe, it is characterised in that：The mistake
Journey safeguard structure (3) further includes the air cooling of process circumferentially being arranged on the ring flange body (2) joint face one end
Half chamber (7) is circulated, half chamber of Process Gas SAPMAC method (7) installs half chamber (6) and the gasket positioned at the heat-insulated ring pads
(4) in the ring flange body (2) between.
4. the ring flange according to claim 3 being welded to connect for plastic lining composite steel pipe, it is characterised in that：Described
Cooling gas input interface (8) is provided with half chamber of Process Gas SAPMAC method (7).
5. the ring flange for being used for plastic lining composite steel pipe and being welded to connect according to claim 3 or 4, it is characterised in that：It is described
Process safeguard structure (3) further include be arranged on the ring flange body (2) away from joint face one end circumferentially
Process Water-cooling circulating chamber (9), the process Water-cooling circulating chamber (9) is in the rectangle that is projected as of its cross section, the rectangle
Long edge described in ring flange body (2) radially extend.
6. the ring flange according to claim 5 being welded to connect for plastic lining composite steel pipe, it is characterised in that：The process
The outside diameter of Water-cooling circulating chamber (9) is not more than the internal diameter of half chamber of Process Gas SAPMAC method (7), the length of the rectangular long side
No more than 1/3rd of the ring flange body (2) One-sided Widths.
7. the ring flange according to claim 6 being welded to connect for plastic lining composite steel pipe, it is characterised in that：Described
Cooling water input interface (10) is additionally provided with process Water-cooling circulating chamber (9).
8. the ring flange according to claim 7 being welded to connect for plastic lining composite steel pipe, it is characterised in that：In the method
Blue disk body (2) is additionally provided with water drenching cooling slope (11) on one end away from joint face.
9. the ring flange according to claim 1 being welded to connect for plastic lining composite steel pipe, it is characterised in that：In the method
Blue disk body (2) is additionally provided with water drenching cooling slope (11) on one end away from joint face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721209928.6U CN207298158U (en) | 2017-09-19 | 2017-09-19 | The ring flange being welded to connect for plastic lining composite steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721209928.6U CN207298158U (en) | 2017-09-19 | 2017-09-19 | The ring flange being welded to connect for plastic lining composite steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207298158U true CN207298158U (en) | 2018-05-01 |
Family
ID=62443064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721209928.6U Active CN207298158U (en) | 2017-09-19 | 2017-09-19 | The ring flange being welded to connect for plastic lining composite steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207298158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268150A (en) * | 2020-09-28 | 2021-01-26 | 扬州大鹏机械有限公司 | High-pressure flange and casting process thereof |
-
2017
- 2017-09-19 CN CN201721209928.6U patent/CN207298158U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268150A (en) * | 2020-09-28 | 2021-01-26 | 扬州大鹏机械有限公司 | High-pressure flange and casting process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 611330 No. 1, Section 2, Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee after: Chengdu Common Steel and Plastic Products Co.,Ltd. Address before: 611330 No. 1, Section 2, Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: CHENGDU BEIGEN PIPELINE TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230725 Address after: No. 139, Xiangyang Road, Qingbaijiang District, Chengdu, Sichuan 610300 Patentee after: Chengdu joint pipe manufacturing Co.,Ltd. Address before: 611330 No. 1, Section 2, Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: Chengdu Common Steel and Plastic Products Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240508 Address after: No. 1-2, Section 1, Xueshan Avenue, Qingxia Street, Dayi County, Chengdu City, Sichuan Province, 610000 Patentee after: Chengdu Beixing Pipe Industry Co.,Ltd. Country or region after: China Address before: No. 139, Xiangyang Road, Qingbaijiang District, Chengdu, Sichuan 610300 Patentee before: Chengdu joint pipe manufacturing Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |