CN210106804U - High-temperature and high-pressure resistant high-performance dissimilar metal connection insulation assembly - Google Patents
High-temperature and high-pressure resistant high-performance dissimilar metal connection insulation assembly Download PDFInfo
- Publication number
- CN210106804U CN210106804U CN201920493855.0U CN201920493855U CN210106804U CN 210106804 U CN210106804 U CN 210106804U CN 201920493855 U CN201920493855 U CN 201920493855U CN 210106804 U CN210106804 U CN 210106804U
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- Prior art keywords
- sleeve
- flange
- bolt
- insulation
- connection
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- 238000009413 insulation Methods 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 150000002739 metals Chemical class 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Gasket Seals (AREA)
Abstract
The utility model discloses a high-temperature and high-pressure resistant high-performance dissimilar metal connection insulation assembly, which relates to the field of electric power equipment and comprises a left flange, a right flange, a bolt, a nut, a steel gasket and an insulation sleeve, wherein the insulation sleeve comprises an annular gasket and a plurality of connection sleeves, the connection sleeve is vertically fixed on one side of the annular gasket and matched with the bolt, the annular gasket is provided with a through hole matched with the connection sleeve, the diameter of the through hole is larger than the inner diameter of the connection sleeve, the joint of the through hole and the connection sleeve adopts fillet or bevel transition, by means of the insulation sleeve with an integral structure, non-contact connection between dissimilar metals is realized, the corrosion condition caused by potential difference is effectively avoided, the quick installation of the insulation sleeve is also realized, the installation efficiency is improved, the replacement is convenient, and under the premise of ensuring the non-contact of the dissimilar metals, the length of the traditional insulating sleeve is shortened, and the cost is saved.
Description
Technical Field
The utility model belongs to the power equipment field, concretely relates to high temperature resistant highly compressed high performance xenogenesis metallic interconnect insulating assembly.
Background
When the ship pipeline system is installed, the ship pipeline system and the ship body, the pipeline and the pipeline, the pipeline and the accessory, the pipeline and the valve, the pipeline and the equipment (a cooler, a filter and the like) and the like are in contact connection with each other, and potential difference generated by direct contact of different metals has a corrosion effect on the metals, so that the service life of the equipment is shortened. Therefore, when ship pipe systems are connected by dissimilar metals, an electric insulation assembly is needed to be adopted to isolate the dissimilar metals, so that the reliability and the service life of the equipment are fundamentally ensured. The high-temperature and high-pressure resistant electric insulation assembly has high-temperature and high-pressure requirements on a gas discharge pipeline of a marine diesel engine, a seawater fire-fighting pipeline and the like, and needs to be connected by high-performance dissimilar metals with high temperature and high pressure resistance when pipelines are connected.
Disclosure of Invention
An object of the utility model is to provide a high performance xenogenesis metallic interconnect insulating assemblies that is high temperature resistant highly compressed to solve the above-mentioned defect that leads to among the prior art.
A high-performance dissimilar metal connection insulation component resistant to high temperature and high pressure comprises a left flange, a right flange, a bolt, a nut, a steel gasket and an insulation sleeve, the left flange and the right flange are fixedly connected through bolts and nuts, an insulating sealing gasket is arranged between the left flange and the right flange, the steel gasket is sleeved on the bolt on one side of the left flange, the insulating sleeve is also sleeved between the steel gasket and the left flange and comprises an annular gasket and a plurality of connecting sleeves, the connecting sleeve is vertically fixed on one side of the annular gasket and matched with the bolt, the annular gasket is provided with a through hole matched with the connecting sleeve, the diameter of the through hole is larger than the inner diameter of the connecting sleeve, the connecting position of the through hole and the connecting sleeve adopts fillet or bevel transition, the right end of the connecting sleeve is in contact with the connecting surface of the right flange, and the diameter of the mounting hole for mounting the bolt on the right flange is smaller than the outer diameter of the connecting sleeve.
Preferably, electricity measuring sheets are respectively arranged between the annular gasket and the left flange and between the right flange and the bolt.
Preferably, the insulating sleeve is made of nylon or polyphenylene sulfide or polyimide.
Preferably, the insulating sealing gasket is made of polytetrafluoroethylene.
The utility model has the advantages that: with the help of the insulating sleeve of integral type structure, realized the non-contact between the dissimilar metal and connected, effectively avoided the corruption condition that takes place because the potential difference, and this kind of structure has also realized insulating sleeve's quick installation, has reduced man-hour of installation, has improved the installation effectiveness, and it is convenient to change, in addition, under the prerequisite of guaranteeing the dissimilar metal non-contact, has shortened traditional insulating sleeve's length, has practiced thrift the cost. Insulating sleeve and insulating seal gasket all adopt high temperature resistant high pressure resistant material to make in this scheme for this product can be applied to under the high temperature high pressure environment.
Drawings
Fig. 1 is a cross-sectional view of the present invention using a planar flange.
Fig. 2 is a cross-sectional view of the concave-convex flange of the present invention.
Fig. 3 is a schematic structural view of the middle insulating sleeve of the present invention.
The device comprises a pipe I1, a pipe II 2, a left flange 3, a right flange 4, a nut 5, a bolt 6, a steel gasket 7, a measuring sheet 8, an insulating sleeve 9, an annular gasket 91, a connecting sleeve 92, an insulating sealing gasket 10 and a through hole 11.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to fig. 3, a high-performance dissimilar metal connection insulation assembly resistant to high temperature and high pressure comprises a left flange 3, a right flange 4, bolts 6, nuts 5, a steel gasket 7 and an insulation sleeve 9, wherein the left flange 3 and the right flange 4 are fixedly connected through the bolts 6 and the nuts 5, an insulation sealing gasket 10 is arranged between the left flange 3 and the right flange 4, the steel gasket 7 is sleeved on the bolt 6 on one side of the left flange 3, the insulation sleeve 9 is further sleeved between the steel gasket 7 and the left flange 3, the insulation sleeve 9 comprises an annular gasket 91 and a plurality of connection sleeves 92, the connection sleeves 92 are vertically fixed on one side of the annular gasket 91 and are matched with the bolts 6, through holes 11 matched with the connection sleeves 92 are arranged on the annular gasket 91, the diameter of the through holes 11 is greater than the inner diameter of the connection sleeves 92, and the joint of the two adopts fillet or bevel transition, the right end of the connecting sleeve 92 is in contact with the connecting surface of the right flange 4, and the diameter of the mounting hole for mounting the bolt 6 on the right flange 4 is smaller than the outer diameter of the connecting sleeve 92. With the help of the insulating sleeve 9 of integral type structure, realized the non-contact connection between the dissimilar metal, effectively avoided the corruption condition that takes place because the potential difference, and this kind of structure has also realized the quick installation of insulating sleeve 9, has reduced man-hour, has improved the installation effectiveness, and it is convenient to change, in addition, under the prerequisite of guaranteeing the dissimilar metal non-contact, has shortened traditional insulating sleeve 9's length, has practiced thrift the cost.
In this embodiment, a measuring sheet 8 is further disposed between the annular gasket 91 and the left flange 3, and between the right flange 4 and the bolt 6, respectively, for detecting a potential difference between dissimilar metals.
In this embodiment, the insulating sleeve 9 is made of nylon or polyphenylene sulfide or polyimide, and the insulating sealing gasket 10 is made of polytetrafluoroethylene. The material has excellent high-temperature and high-pressure resistance, so that the product can be applied to high-temperature and high-pressure environments.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (4)
1. The high-performance dissimilar metal connection insulation assembly resistant to high temperature and high pressure is characterized by comprising a left flange (3), a right flange (4), a bolt (6), a nut (5), a steel gasket (7) and an insulation sleeve (9), wherein the left flange (3) and the right flange (4) are fixedly connected through the bolt (6) and the nut (5), an insulation sealing gasket (10) is arranged between the left flange (3) and the right flange (4), the steel gasket (7) is sleeved on the bolt (6) on one side of the left flange (3), the insulation sleeve (9) is further sleeved between the steel gasket (7) and the left flange (3), the insulation sleeve (9) comprises an annular gasket (91) and a plurality of connection sleeves (92), the connection sleeves (92) are vertically fixed on one side of the annular gasket (91) and matched with the bolt (6), be equipped with on ring washer (91) with connecting sleeve (92) complex through-hole (11), the diameter of through-hole (11) is greater than the internal diameter of connecting sleeve (92) and junction between them adopts fillet or bevel transition, the right-hand member of connecting sleeve (92) contacts with the face of being connected of right flange (4), the diameter that is used for the mounting hole of construction bolt (6) on right flange (4) is less than the external diameter of connecting sleeve (92).
2. A high-performance dissimilar metal connection insulation module capable of withstanding high temperature and high pressure according to claim 1, wherein: and measuring pieces (8) are respectively arranged between the annular gasket (91) and the left flange (3) and between the right flange (4) and the bolt (6).
3. A high-performance dissimilar metal connection insulation module capable of withstanding high temperature and high pressure according to claim 1, wherein: the insulating sleeve (9) is made of nylon or polyphenylene sulfide or polyimide.
4. A high-performance dissimilar metal connection insulation module capable of withstanding high temperature and high pressure according to claim 1, wherein: the insulating sealing gasket (10) is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493855.0U CN210106804U (en) | 2019-04-12 | 2019-04-12 | High-temperature and high-pressure resistant high-performance dissimilar metal connection insulation assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493855.0U CN210106804U (en) | 2019-04-12 | 2019-04-12 | High-temperature and high-pressure resistant high-performance dissimilar metal connection insulation assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106804U true CN210106804U (en) | 2020-02-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920493855.0U Expired - Fee Related CN210106804U (en) | 2019-04-12 | 2019-04-12 | High-temperature and high-pressure resistant high-performance dissimilar metal connection insulation assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459276A (en) * | 2022-02-18 | 2022-05-10 | 杭州制氧机集团股份有限公司 | Connecting device between plate-fin heat exchanger and steel pipeline dissimilar metal |
-
2019
- 2019-04-12 CN CN201920493855.0U patent/CN210106804U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459276A (en) * | 2022-02-18 | 2022-05-10 | 杭州制氧机集团股份有限公司 | Connecting device between plate-fin heat exchanger and steel pipeline dissimilar metal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 Termination date: 20210412 |
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| CF01 | Termination of patent right due to non-payment of annual fee |