CN207064941U - The high anti-corrosion non-metal expansion joint of high temperature resistant - Google Patents
The high anti-corrosion non-metal expansion joint of high temperature resistant Download PDFInfo
- Publication number
- CN207064941U CN207064941U CN201720708168.7U CN201720708168U CN207064941U CN 207064941 U CN207064941 U CN 207064941U CN 201720708168 U CN201720708168 U CN 201720708168U CN 207064941 U CN207064941 U CN 207064941U
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- CN
- China
- Prior art keywords
- joint
- temperature resistant
- flexible pipe
- stainless steel
- steel wire
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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.)
- Expired - Fee Related
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a kind of high anti-corrosion non-metal expansion joint of high temperature resistant, include a flexible pipe, the both ends of flexible pipe connect one first joint and one second joint respectively, multiple Limit screws are connected between first joint and the second joint, a first flange is connected on the first joint, a second flange is connected on the second joint, the tube wall of the flexible pipe is sandwich construction, it is stainless steel wire stratum reticulare positioned at centre, the outside of stainless steel wire stratum reticulare is skinning layer, and the inner side of stainless steel wire stratum reticulare is high-temperature resistant anti-corrosive layer.The flexible pipe of the high anti-corrosion non-metal expansion joint of high temperature resistant of the present utility model is sandwich construction, and middle stainless steel wire stratum reticulare ensures that flexible pipe has larger intensity；The skinning layer quality in outside is softer and has higher toughness, is not easy the leakage that is corroded using epidermis in the presence of a harsh environment；The high-temperature resistant anti-corrosive layer of inner side is made of composite, the softer high resilience of quality, can have extremely strong defense reaction to corrosive fluids such as acid, alkali, heavy oil with resistance to 200 220 DEG C of high temperature.
Description
Technical field
A kind of expansion joint is the utility model is related to, more precisely, being a kind of high anti-corrosion non-metal expansion joint of high temperature resistant.
Background technology
Non-metal expansion joint is also referred to as non-metal compensator, fabric compensator, belongs to one kind of compensator.Its material is mainly fibre
Dimensional fabric, rubber, exotic material etc..Can air blower of compensating, the vibrations of airduct operation and pipe deforming.It is now widely used non-
The high temperature resistant of type metal expansion joint, decay resistance are bad, limit the application field of non-metal expansion joint.
Utility model content
The utility model is mainly to solve the technical problem present in prior art, so as to provide a kind of high temperature resistant high anti-corrosion
Non-metal expansion joint.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
A kind of high anti-corrosion non-metal expansion joint of high temperature resistant, comprising a flexible pipe, the both ends of flexible pipe connect one first joint respectively
With one second joint, multiple Limit screws are connected between the first joint and the second joint, a first flange is connected on the first joint, the
A second flange is connected on two joints, the tube wall of the flexible pipe is sandwich construction, is stainless steel wire stratum reticulare positioned at centre, stainless
The outside of steel screen layer is skinning layer, and the inner side of stainless steel wire stratum reticulare is high-temperature resistant anti-corrosive layer.
The skinning layer is prepared by the raw material of following parts by weight：Boron-silicon rubber 80-90 parts, high silica polytetrafluoroethylene (PTFE)
25-35 parts, polyamide 10-18 parts, calcium carbonate 6-12 parts, alkali-free glass silk floss 15-18 parts, zinc chloride 5-10 parts.
The high-temperature resistant anti-corrosive layer is prepared by the raw material of following parts by weight：Arsenic silicon rubber 110-120 parts, peroxidating two
Isopropylbenzene 5-10 parts, p-phenylenediamine 8-12 parts, bigcatkin willow acid imide 2-6 parts, magnesia 3-6 parts, nano aluminium oxide 5-8 parts, chlorination
Paraffin 20-25 parts, copper carbonate 6-10 parts.
As the utility model preferred embodiment, the thickness of described stainless steel wire stratum reticulare is 1-3mm.
As the utility model preferred embodiment, the thickness ratio of described skinning layer and high-temperature resistant anti-corrosive layer is 2：5.
The flexible pipe of the high anti-corrosion non-metal expansion joint of high temperature resistant of the present utility model is sandwich construction, middle stainless steel cloth
Layer ensures that flexible pipe has larger intensity；The skinning layer quality in outside is softer and has higher toughness, makes in the presence of a harsh environment
The leakage that is corroded is not easy with epidermis；The high-temperature resistant anti-corrosive layer of inner side is made of composite, the softer high resilience of quality, can be with
Resistance to 200-220 DEG C of high temperature, has extremely strong defense reaction to corrosive fluids such as acid, alkali, heavy oil.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the high anti-corrosion non-metal expansion joint of high temperature resistant of the present utility model；
Fig. 2 is the layer structure schematic diagram of the flexible pipe tube wall in Fig. 1.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
As shown in Figure 1 and Figure 2, the high anti-corrosion non-metal expansion joint 1 of a kind of high temperature resistant, a flexible pipe 10, the both ends of flexible pipe 10 are included
One first joint 20 and one second joint 30 are connected respectively, and multiple Limit screws are connected between the first joint 20 and the second joint 30
40, a first flange 21 is connected on the first joint 20, and a second flange 31, the tube wall of the flexible pipe 10 are connected on the second joint 30
For sandwich construction, what it is positioned at centre is stainless steel wire stratum reticulare 12, and the outside of stainless steel wire stratum reticulare 12 is skinning layer 11, stainless steel wire
The inner side of stratum reticulare 12 is high-temperature resistant anti-corrosive layer 13.
The skinning layer 11 is prepared by the raw material of following parts by weight：Boron-silicon rubber 80-90 parts, high silica polytetrafluoroethyl-ne
Alkene 25-35 parts, polyamide 10-18 parts, calcium carbonate 6-12 parts, alkali-free glass silk floss 15-18 parts, zinc chloride 5-10 parts；
The high-temperature resistant anti-corrosive layer 13 is prepared by the raw material of following parts by weight：Arsenic silicon rubber 110-120 parts, peroxidating
Diisopropylbenzene (DIPB) 5-10 parts, p-phenylenediamine 8-12 parts, bigcatkin willow acid imide 2-6 parts, magnesia 3-6 parts, nano aluminium oxide 5-8 parts, chlorine
Fossil waxes 20-25 parts, copper carbonate 6-10 parts.
It is 1-3mm as the thickness to the further improvement of the utility model, described stainless steel wire stratum reticulare 12.
As to the further improvement of the utility model, the thickness ratio of described skinning layer 11 and high-temperature resistant anti-corrosive layer 13
For 2：5.
The flexible pipe of the high anti-corrosion non-metal expansion joint of high temperature resistant of the utility model is sandwich construction, middle stainless steel cloth
Layer ensures that flexible pipe has larger intensity；The skinning layer quality in outside is softer and has higher toughness, makes in the presence of a harsh environment
The leakage that is corroded is not easy with epidermis；The high-temperature resistant anti-corrosive layer of inner side is made of composite, the softer high resilience of quality, can be with
Resistance to 200-220 DEG C of high temperature, has extremely strong defense reaction to corrosive fluids such as acid, alkali, heavy oil.
[contrast experiment]
5 expansion joints of the utility model and 5 currently used non-metal expansion joints are taken to carry out contrast experiment.It is swollen by 10
Swollen section numbers simultaneously insert experiment pipeline simultaneously, is passed through concentration as 25% acidic corrosive solution in experimental channel and circulates, molten
For liquid temperature control at 90 DEG C, circulation time is 36 hours；Circulation releases the acidic corrosive solution in pipeline after terminating, and continues
It is passed through the alkaline corrosion solution that concentration is 25% and circulates, at 90 DEG C, circulation time is 36 hours for solution temperature control.
Circulation releases alkali lye after terminating, and non-metal expansion joint is dismantled and carries out contrast test, as a result as follows：
Test result shows that non-metal expansion joint of the present utility model has preferably steady under high temperature highly corrosive environments
Qualitative, service life is longer.
Only illustrate mentality of designing of the present utility model in one embodiment above, in the case where system allows,
The utility model can expand to while external more functional modules, so as to extend its function to greatest extent.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should all cover within the scope of protection of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (3)
- A kind of 1. high anti-corrosion non-metal expansion joint of high temperature resistant（1）, it is characterised in that include a flexible pipe（10）, flexible pipe（10）Two End connects one first joint respectively（20）With one second joint（30）, the first joint（20）With the second joint（30）Between connect it is multiple Limit screw（40）, the first joint（20）One first flange of upper connection（21）, the second joint（30）One second flange of upper connection （31）, the flexible pipe（10）Tube wall be sandwich construction, positioned at centre be stainless steel wire stratum reticulare（12）, stainless steel wire stratum reticulare （12）Outside be skinning layer（11）, stainless steel wire stratum reticulare（12）Inner side be high-temperature resistant anti-corrosive layer（13）.
- 2. the high anti-corrosion non-metal expansion joint of high temperature resistant according to claim 1, it is characterised in that described stainless steel cloth Layer（12）Thickness be 1-3mm.
- 3. the high anti-corrosion non-metal expansion joint of high temperature resistant according to claim 2, it is characterised in that described skinning layer（11） With high-temperature resistant anti-corrosive layer（13）Thickness ratio be 2：5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708168.7U CN207064941U (en) | 2017-06-18 | 2017-06-18 | The high anti-corrosion non-metal expansion joint of high temperature resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708168.7U CN207064941U (en) | 2017-06-18 | 2017-06-18 | The high anti-corrosion non-metal expansion joint of high temperature resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064941U true CN207064941U (en) | 2018-03-02 |
Family
ID=61508946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720708168.7U Expired - Fee Related CN207064941U (en) | 2017-06-18 | 2017-06-18 | The high anti-corrosion non-metal expansion joint of high temperature resistant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064941U (en) |
-
2017
- 2017-06-18 CN CN201720708168.7U patent/CN207064941U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20210618 |