CN107120487A - The high non-corrosive metal (NCM) expansion joint of high temperature resistant - Google Patents
The high non-corrosive metal (NCM) expansion joint of high temperature resistant Download PDFInfo
- Publication number
- CN107120487A CN107120487A CN201710461027.4A CN201710461027A CN107120487A CN 107120487 A CN107120487 A CN 107120487A CN 201710461027 A CN201710461027 A CN 201710461027A CN 107120487 A CN107120487 A CN 107120487A
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- CN
- China
- Prior art keywords
- layer
- parts
- flange
- composite rubber
- expansion joint
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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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/16—Homopolymers or copolymers or vinylidene fluoride
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/028—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with the expansion or contraction of each corrugation being limited
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/18—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/21—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for expansion-compensation devices
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The invention discloses a kind of high non-corrosive metal (NCM) expansion joint of high temperature resistant, include a metal bellows, the two ends of the metal bellows connect a first flange and a second flange respectively, many Limit screws are connected between the first flange and second flange, the tube wall of the metal bellows is sandwich construction, outermost layer is stainless steel layer, and a composite rubber layer is additionally provided with the inwall of the stainless steel layer, and the surface of the composite rubber layer is provided with a basalt fibre layer of cloth.The ripple tube wall of the high non-corrosive metal (NCM) expansion joint of high temperature resistant of the present invention is sandwich construction, the basalt fibre layer of cloth of innermost layer can play preferable heat-insulated and antisepsis, middle composite rubber layer pliability is preferable, it can keep stable at a higher temperature, simultaneously the composite rubber layer can acid and alkali-resistance, oil corrosion, long-term chemical stability can be kept under corrosive environment, and then effectively extends the service life of metal bellows.
Description
Technical field
The present invention relates to a kind of expansion joint, more precisely, being a kind of high non-corrosive metal (NCM) expansion joint of high temperature resistant.
Background technology
Type metal expansion joint is compensation additional stress caused by temperature difference and mechanical oscillation, and is arranged on container casing or pipe
A kind of flexible structure on road.Because it is as a kind of elastic compensation element that can freely stretch, reliable operation, it is functional,
The advantages of compact conformation, have been widely used in departments such as chemical industry, metallurgy, nuclear energy.Type metal expansion joint is may be used at not as needed
On same pipeline, when fluids within pipes temperature is higher and with corrosivity, the tube wall of type metal expansion joint is easy to be corroded, and enters
And have impact on the service life of type metal expansion joint.
The content of the invention
The present invention mainly solves the technical problem present in prior art, so as to provide a kind of high temperature resistant high non-corrosive metal (NCM)
Expansion joint.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of high non-corrosive metal (NCM) expansion joint of high temperature resistant, comprising a metal bellows, the two ends of the metal bellows are connected respectively
One first flange and a second flange, connect many Limit screws, the wavy metal between the first flange and second flange
The tube wall of pipe is sandwich construction, and outermost layer is stainless steel layer, and a composite rubber layer, institute are additionally provided with the inwall of the stainless steel layer
The surface for stating composite rubber layer is provided with a basalt fibre layer of cloth；
The composite rubber layer is prepared from by the raw material of following parts by weight：Inclined 60-70 parts of fluoroether rubber, acrylic acid junket rubber
35-45 parts, 20-25 parts of stearic acid, 6-10 parts of nano-polyurethane, diphenyl disulfide 2-5 parts of thiazole of a pair of horses going side by side, 18-24 parts of aluminum oxide, stone
8-12 parts of wax, 3-6 parts of sodium acid carbonate.
As preferred embodiments of the present invention, the thickness of described composite rubber layer is 3-8mm.
As preferred embodiments of the present invention, described stainless steel layer and the thickness ratio of basalt fibre layer of cloth are 1：2.
The ripple tube wall of the high non-corrosive metal (NCM) expansion joint of high temperature resistant of the present invention is sandwich construction, and the basalt of innermost layer is fine
Dimension layer of cloth can play preferable heat-insulated and antisepsis, and middle composite rubber layer pliability preferably, can be in higher temperature
Degree is lower to keep stable, at the same the composite rubber layer can acid and alkali-resistance, the corrosion of oil, long-term chemistry can be kept under corrosive environment
Stability, and then effectively extend the service life of metal bellows.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the high non-corrosive metal (NCM) expansion joint of high temperature resistant of the present invention；
Fig. 2 is the layer structure schematic diagram of ripple tube wall in Fig. 1.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
As shown in Figure 1 and Figure 2, the high non-corrosive metal (NCM) expansion joint 1 of a kind of high temperature resistant, includes a metal bellows 10, the metal
The two ends of bellows 10 connect a first flange 20 and a second flange 30 respectively, between the first flange 20 and second flange 30
Connect many Limit screws 40, the tube wall of the metal bellows 10 is sandwich construction, and outermost layer is stainless steel layer 11, it is described not
A composite rubber layer 12 is additionally provided with the inwall for steel layer 11 of becoming rusty, the surface of the composite rubber layer 12 is provided with a basalt fiber cloth
Layer 13；
The composite rubber layer 12 is prepared from by the raw material of following parts by weight：Inclined 60-70 parts of fluoroether rubber, acrylic acid junket rubber
35-45 parts, 20-25 parts of stearic acid, 6-10 parts of nano-polyurethane, diphenyl disulfide 2-5 parts of thiazole of a pair of horses going side by side, 18-24 parts of aluminum oxide, stone
8-12 parts of wax, 3-6 parts of sodium acid carbonate.
It is 3-8mm as the thickness to further improvement of the present invention, described composite rubber layer 12.
As to further improvement of the present invention, described stainless steel layer 11 and the thickness ratio of basalt fibre layer of cloth 13
For 1：2.
The ripple tube wall of the high non-corrosive metal (NCM) expansion joint of high temperature resistant of the invention is sandwich construction, and the basalt of innermost layer is fine
Dimension layer of cloth can play preferable heat-insulated and antisepsis, and middle composite rubber layer pliability preferably, can be in higher temperature
Degree is lower to keep stable, at the same the composite rubber layer can acid and alkali-resistance, the corrosion of oil, long-term chemistry can be kept under corrosive environment
Stability, and then effectively extend the service life of metal bellows.
[contrast experiment]
5 expansion joints of the invention and 5 bellows expansion joints conventional at present are taken to carry out contrast experiment.10 expansion joints are numbered
And insert experiment pipeline simultaneously, concentration is passed through for 25% acidic corrosive solution in experimental channel and is circulated, solution temperature control
System is at 85 DEG C, and circulation time is 36 hours；Circulation releases the acidic corrosive solution in pipeline after terminating, and continues to be passed through concentration
Alkaline corrosion solution for 25% is simultaneously circulated, and solution temperature control is at 85 DEG C, and circulation time is 36 hours.Circulation terminates
Alkali lye is released afterwards, and non-metal expansion joint is dismantled and contrast test is carried out, it is as a result as follows：
Performance is more under high temperature high corrosion environment for the high non-corrosive metal (NCM) expansion joint of high temperature resistant of the present invention it can be seen from test result
Plus stably, service life is longer.
Only illustrate the mentality of designing of the present invention in one embodiment above, in the case where system allows, the present invention can
To expand to external more functional modules simultaneously, so as to extend its function to greatest extent.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (3)
1. a kind of high non-corrosive metal (NCM) expansion joint of high temperature resistant（1）, it is characterised in that include a metal bellows（10）, the metal
Bellows（10）Two ends connect a first flange respectively（20）With a second flange（30）, the first flange（20）With second
Flange（30）Between connect many Limit screws（40）, the metal bellows（10）Tube wall be sandwich construction, outermost layer is not
Rust steel layer（11）, the stainless steel layer（11）Inwall on be additionally provided with a composite rubber layer（12）, the composite rubber layer（12）
Surface be provided with a basalt fibre layer of cloth（13）；
The composite rubber layer（12）It is prepared from by the raw material of following parts by weight：Inclined 60-70 parts of fluoroether rubber, acrylic acid junket rubber
35-45 parts of glue, 20-25 parts of stearic acid, 6-10 parts of nano-polyurethane, diphenyl disulfide 2-5 parts of thiazole of a pair of horses going side by side, 18-24 parts of aluminum oxide,
8-12 parts of paraffin, 3-6 parts of sodium acid carbonate.
2. the high non-corrosive metal (NCM) expansion joint of high temperature resistant according to claim 1, it is characterised in that described composite rubber layer
（12）Thickness be 3-8mm.
3. the high non-corrosive metal (NCM) expansion joint of high temperature resistant according to claim 2, it is characterised in that described stainless steel layer（11）
With basalt fibre layer of cloth（13）Thickness ratio be 1：2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461027.4A CN107120487A (en) | 2017-06-18 | 2017-06-18 | The high non-corrosive metal (NCM) expansion joint of high temperature resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461027.4A CN107120487A (en) | 2017-06-18 | 2017-06-18 | The high non-corrosive metal (NCM) expansion joint of high temperature resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107120487A true CN107120487A (en) | 2017-09-01 |
Family
ID=59718982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710461027.4A Pending CN107120487A (en) | 2017-06-18 | 2017-06-18 | The high non-corrosive metal (NCM) expansion joint of high temperature resistant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107120487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953820A (en) * | 2018-09-13 | 2018-12-07 | 江苏永昌膨胀节有限公司 | A kind of high life wavy metal pipe device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB844996A (en) * | 1958-04-30 | 1960-08-17 | Us Rubber Co | Improvements in expansion joint for pipes |
| CN2625695Y (en) * | 2003-07-23 | 2004-07-14 | 刘堪金 | Armoured fireproof heat insulating pipe |
| CN202182266U (en) * | 2011-08-05 | 2012-04-04 | 赵曜 | rubber metal-corrugated composite hose |
| CN202402822U (en) * | 2011-12-09 | 2012-08-29 | 衡水光辉橡塑有限公司 | Integral composite corrugated pipe with glass fiber reinforced plastic lining |
| CN205578945U (en) * | 2016-03-13 | 2016-09-14 | 江苏晨光波纹管有限公司 | Corrugated metal pipe is moulded to interior lining that covers metal mesh cover |
-
2017
- 2017-06-18 CN CN201710461027.4A patent/CN107120487A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB844996A (en) * | 1958-04-30 | 1960-08-17 | Us Rubber Co | Improvements in expansion joint for pipes |
| CN2625695Y (en) * | 2003-07-23 | 2004-07-14 | 刘堪金 | Armoured fireproof heat insulating pipe |
| CN202182266U (en) * | 2011-08-05 | 2012-04-04 | 赵曜 | rubber metal-corrugated composite hose |
| CN202402822U (en) * | 2011-12-09 | 2012-08-29 | 衡水光辉橡塑有限公司 | Integral composite corrugated pipe with glass fiber reinforced plastic lining |
| CN205578945U (en) * | 2016-03-13 | 2016-09-14 | 江苏晨光波纹管有限公司 | Corrugated metal pipe is moulded to interior lining that covers metal mesh cover |
Non-Patent Citations (1)
| Title |
|---|
| 吴耀伟: "《供热通风与建筑给排水工程施工技术》", 31 July 2001, 哈尔滨工业大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953820A (en) * | 2018-09-13 | 2018-12-07 | 江苏永昌膨胀节有限公司 | A kind of high life wavy metal pipe device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170901 |
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| RJ01 | Rejection of invention patent application after publication |