CN202082549U - Novel graphite pipe expansion joint - Google Patents
Novel graphite pipe expansion joint Download PDFInfo
- Publication number
- CN202082549U CN202082549U CN2011201769681U CN201120176968U CN202082549U CN 202082549 U CN202082549 U CN 202082549U CN 2011201769681 U CN2011201769681 U CN 2011201769681U CN 201120176968 U CN201120176968 U CN 201120176968U CN 202082549 U CN202082549 U CN 202082549U
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- CN
- China
- Prior art keywords
- graphite
- expansion joint
- pipe
- joint flange
- flange
- 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
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Abstract
The utility model discloses a novel graphite pipe expansion joint, which comprises graphite pipes, wherein a graphite expansion joint is respectively installed between every two adjacent graphite pipes, each graphite pipe is provided with an expansion joint flange, the graphite pipe is connected with the graphite expansion joint through the expansion joint flange, an O-shaped ring is arranged between the expansion joint flange and the graphite expansion joint, and the O-shaped ring is a graphite nylon washer. When the graphite pipe is expanded because of the factors such as pressure, temperature and the like, the graphite pipe can extend freely inside the expansion joint, and the graphite nylon washer is adopted as the O-shaped ring, so the expansion coefficient is small, and the sealability is better.
Description
Technical field
The utility model relates to the graphite equipment in the chemical field, is specifically related to a kind of novel graphite tube swelling joint.
Background technique
Present stage is mainly used plastics class pipeline in the corrosion industry, as: polyethylene pipe, polypropylene tube, polyfluortetraethylene pipe.The polyethylene pipe serviceability temperature is low and easily aging in air, and polypropylene tube is beginning to soften more than 70 ℃, and tetrafluoroethylene decay resistance and heat resistance are all higher, more than three kinds of plastics withstand voltage propertiess relatively poor, easy deformation and breakage under pressure and vacuum condition.
The metal inner lining plastic pipe has improved working pressure to a certain extent, does not improve anti-corrosion capacity and serviceability temperature, and under vacuum condition, this class pipeline and directly do not have difference with plastics.The metal inner lining coating pipeline has improved the withstand voltage of pipeline and vacuum-resistant ability, but because metal can be because pressure, vacuum, temperature etc. produce distortion, causes coating to produce the space or peels off.
Graphite-pipe has self unique advantages, corrosion-resistant, high temperature resistant, withstand voltage, can be used for high corrosion industry, but graphite-pipe uses in the project installation process seldom, can not plastic deformation mainly due to graphite-pipe, if a small amount of error is arranged in the equipment installation process, then graphite-pipe can not be realized connecting by being out of shape.And graphite causes breaking can produce linear expansion coeffcient under worst hot case easily.
The model utility content
The model utility purpose: the utility model provides a kind of novel graphite tube swelling joint of retractable in order to solve the deficiencies in the prior art.
Technological scheme: a kind of novel graphite tube swelling joint, comprise graphite-pipe, the graphite expansion joint is housed between adjacent two described graphite-pipes, graphite-pipe is provided with the expansion joint flange, described expansion joint flange links to each other graphite-pipe with the graphite expansion joint, be provided with O type circle between described expansion joint flange and the graphite expansion joint, described expansion joint flange is provided with pull bar, and described O type circle is the graphite nylon washer.
The expansion joint flange becomes the fixed form of original connection into activity form, becomes discontinuous pipeline configuration form by homogeneous tube.Expansion joint be connected with the space is arranged between the graphite-pipe, realize sealing between expansion joint and the graphite-pipe by flange screw O type circle, adopt the graphite nylon washer as O type circle, expansion coefficient is little, better tightness.
When equipment install to produce error, all can regulate by expansion joint as highly inconsistent etc. in graphite-pipe too short, long (excision does not need again bonding during installation), the equipment installation process.
Because graphite-pipe does not have flexibility and has certain linear expansion coeffcient, utilize the Connecting format of novel graphite tube swelling joint can abatement apparatus error aspect the height in installation process, offsetting simultaneously be that graphite-pipe is in use because the stress that temperature etc. cause.
Beneficial effect: when the utility model produced linear expansion when graphite-pipe because of factors such as pressure, temperature, graphite-pipe can be swollen
Freely stretch in the bloated joint, adopt the graphite nylon washer as O type circle, expansion coefficient is little, better tightness.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is a vertical section structure schematic representation of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, a kind of novel graphite tube swelling joint, comprise graphite-pipe 1, graphite expansion joint 2 is housed between adjacent two described graphite-pipes 1, graphite-pipe 1 is provided with expansion joint flange 3, and described expansion joint flange 3 links to each other graphite-pipe 1 with graphite expansion joint 2, is provided with O type circle 4 between described expansion joint flange and the graphite expansion joint, described expansion joint flange 3 is provided with pull bar 5, and described O type circle 4 is the graphite nylon washer.
Claims (1)
1. a novel graphite tube swelling saves, comprise graphite-pipe (1), graphite expansion joint (2) is housed between adjacent two described graphite-pipes (1), graphite-pipe (1) is provided with expansion joint flange (3), described expansion joint flange (3) links to each other graphite-pipe (1) with graphite expansion joint (2), be provided with O type circle (4) between described expansion joint flange (3) and the graphite expansion joint, described expansion joint flange (3) is provided with pull bar (5), it is characterized in that: described O type circle (4) is the graphite nylon washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201769681U CN202082549U (en) | 2011-05-30 | 2011-05-30 | Novel graphite pipe expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201769681U CN202082549U (en) | 2011-05-30 | 2011-05-30 | Novel graphite pipe expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082549U true CN202082549U (en) | 2011-12-21 |
Family
ID=45343178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201769681U Expired - Fee Related CN202082549U (en) | 2011-05-30 | 2011-05-30 | Novel graphite pipe expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082549U (en) |
-
2011
- 2011-05-30 CN CN2011201769681U patent/CN202082549U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20120530 |