WO2017157031A1 - Non-metallic expansion joint - Google Patents
Non-metallic expansion joint Download PDFInfo
- Publication number
- WO2017157031A1 WO2017157031A1 PCT/CN2016/105149 CN2016105149W WO2017157031A1 WO 2017157031 A1 WO2017157031 A1 WO 2017157031A1 CN 2016105149 W CN2016105149 W CN 2016105149W WO 2017157031 A1 WO2017157031 A1 WO 2017157031A1
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- WIPO (PCT)
- Prior art keywords
- layers
- alkali
- glass fiber
- free glass
- fabric
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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
Definitions
- the invention relates to a non-metallic expansion joint and belongs to the technical field of machinery.
- the expansion joint is a flexible structure that is placed on the vessel casing or pipe to compensate for the additional stress caused by the temperature difference and mechanical vibration. Because it is a kind of elastic compensating component that can be freely stretched, it has the advantages of reliable operation, good performance and compact structure. It has been widely used in chemical, metallurgical and nuclear energy sectors. Includes metal expansion joints and non-metallic expansion joints.
- the non-metallic expansion joints include the following two types:
- Air duct rubber compensator is divided into four types: FDZ, FVB, FUB and XB. It consists of rubber and rubber-fiber fabric composite material, steel flange, sleeve and thermal insulation material. It is mainly used for various fans and winds.
- the flexible connection between the tubes is characterized by shock absorption, noise reduction, sealing, medium resistance, easy displacement and installation. It is an ideal accessory for shock absorption, noise reduction, smoke elimination and dust removal in the field of environmental protection. .
- the fabric compensator is mainly a high temperature resistant material such as fiber fabric, rubber, and the like. It can compensate the vibration of the fan and air duct and the deformation of the pipeline.
- the fiber fabric expansion joint can compensate for axial, lateral, angular and other products. It has the characteristics of no thrust, simplified bearing design, corrosion resistance, high temperature resistance, noise reduction and vibration damping, etc. It is especially suitable for power plant hot air pipes and soot pipes.
- the fiber fabric and the thermal insulation cotton body in the non-metallic compensator have the functions of sound absorption and vibration isolation, and can effectively reduce noise and vibration of boilers, fans and the like. The structure is simple, the body is light, and the maintenance is convenient.
- the existing non-metallic expansion joints mainly have the disadvantages of easy wear and short life.
- the non-metallic expansion joint of the present invention comprises a skeleton and a skin, the skeleton is made of channel steel, the skin is composed of 4-14 layers of fabric, and the skin is fixed on the channel by a pressure plate and a screw.
- the skin described therein comprises one or more layers of the following material layers: 1) a stainless steel wire mesh layer; 2) one or more layers of alkali-free glass fiber cloth; 3) one or more layers of polytetrafluoroethylene Vinyl film; 4) one or more layers of alkali-free glass fiber cloth; 5) one or more layers of composite silicone rubber alkali-free glass fiber cloth; 6) one or more layers of ultra-fine alkali-free glass fiber Vib; 7) one or more layers of insulating cloth; 8) one or more layers of fireproof cloth; 9) one or more layers of ceramic fiber cloth, said layers being sewn together with a edging cloth.
- the non-metallic expansion joint of the present invention has a technical effect that it is not easily worn and has a long service life.
- the non-metallic expansion joint of the present invention comprises a skeleton and a skin, the skeleton is made of channel steel, the skin is composed of 9 layers of fabric, and the skin is fixed on the channel by a pressing plate and a screw.
- the skin comprises a layer or layers of the following material layers: 1) a stainless steel wire mesh layer; 2) a layer of alkali-free glass fiber cloth; 3) a layer of polytetrafluoroethylene film; 4) a layer of no Alkali glass fiber cloth; 5) a layer of composite silicone rubber alkali-free glass fiber cloth; 6) a layer of ultra-fine alkali-free glass fiber cloth; 7) a layer of insulation cloth; 8) a layer of fireproof cloth; 9) a layer of ceramic
- the fiber cloth, the layers are stitched together with a edging cloth.
- the non-metallic expansion joint of the present invention comprises a skeleton and a skin, the skeleton is made of channel steel, the skin is composed of 4 layers of fabric, and the skin is fixed on the channel by a pressure plate and a screw.
- the skin comprises a layer or layers of the following material layers: 1) a stainless steel wire mesh layer; 2) a layer of alkali-free glass fiber cloth; 3) a layer of polytetrafluoroethylene film; 4) a layer of ceramic The fiber cloth, the layers are stitched together with a edging cloth.
- the non-metallic expansion joint of the present invention comprises a skeleton and a skin, the skeleton is made of channel steel, the skin is composed of 14 layers of fabric, and the skin is fixed on the channel by a pressure plate and a screw.
- the skin comprises a layer or layers of the following material layers: 1) a stainless steel wire mesh layer; 2) a 2-layer alkali-free glass fiber cloth; 3) a 2-layer polytetrafluoroethylene film; 4) 2 layers without Alkali glass fiber cloth; 5) 2-layer composite silicone rubber alkali-free glass fiber cloth; 6) One layer of ultra-fine alkali-free glass fiber cloth; 7) One layer of heat-insulating cloth; 8) One layer of fire-proof cloth; 9) Two-layer ceramic The fiber cloth, the layers are stitched together with a edging cloth.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Building Environments (AREA)
Abstract
A non-metallic expansion joint, comprising: a framework which uses channel-section steel as raw material, and covering skin which is composed of 4-14 layers of fabric and fixed to the channel-section steel by means of press plates and screws; the covering skin comprises one or more layers of the following material layers: 1) a stainless steel mesh layer; 2) one or more layers of alkali-free glass fiber fabric; 3) one or more layers of Polytetrafluoroethylene (PTFE) film; 4) one or more layers of alkali-free glass fiber fabric; 5) one or more layers of composite silicone rubber and alkali-free glass fiber fabric; 6) one or more layers of ultra-fine alkali-free glass fiber fabric; 7) one or more layers of thermal-insulating fabric; 8) one or more layers of fireproof fabric; 9) one or more layers of ceramic fiber fabric, said respective layers are stitched together using a wrapping fabric. The non-metallic expansion joint is wear-resistant and has a long service life.
Description
本发明涉及一种非金属膨胀节，属于机械技术领域。The invention relates to a non-metallic expansion joint and belongs to the technical field of machinery.
膨胀节是为补偿因温度差与机械振动引起的附加应力，而设置在容器壳体或管道上的一种挠性结构。由于它作为一种能自由伸缩的弹性补偿元件，具有工作可靠、性能良好、结构紧凑等优点，已广泛应用在化工、冶金、核能等部门。包括金属膨胀节和非金属膨胀节。其中非金属膨胀节包括以下两种：The expansion joint is a flexible structure that is placed on the vessel casing or pipe to compensate for the additional stress caused by the temperature difference and mechanical vibration. Because it is a kind of elastic compensating component that can be freely stretched, it has the advantages of reliable operation, good performance and compact structure. It has been widely used in chemical, metallurgical and nuclear energy sectors. Includes metal expansion joints and non-metallic expansion joints. The non-metallic expansion joints include the following two types:
1)橡胶风道膨胀节1) Rubber duct expansion joint
风道橡胶补偿器分为FDZ、FVB、FUB、XB四种型号，由橡胶和橡胶一纤维织物复合材料、钢制法兰、套筒、保温隔热材料组成，主要用于各种风机、风管之间的柔性连接，其功能是减震、降噪、密封、耐介质、便于位移和安装，是环境保护领域中一种极为理想的减震、降噪、消烟除尘的最佳配套件。Air duct rubber compensator is divided into four types: FDZ, FVB, FUB and XB. It consists of rubber and rubber-fiber fabric composite material, steel flange, sleeve and thermal insulation material. It is mainly used for various fans and winds. The flexible connection between the tubes is characterized by shock absorption, noise reduction, sealing, medium resistance, easy displacement and installation. It is an ideal accessory for shock absorption, noise reduction, smoke elimination and dust removal in the field of environmental protection. .
2)纤维织物膨胀节2) Fiber fabric expansion joint
织物补偿器主要为纤维织物、橡胶、等耐高温材料。能补偿风机、风管运行的震动及管道变形。纤维织物膨胀节可补偿轴向、横向、角向等产品，具有无推力、简化支座设计、耐腐蚀、耐高温、消声减振等特点，特别适用于电厂热风管道及烟尘管道。非金属补偿器中的纤维织物、保温棉体本身具有吸声、隔振的功能，能有效的减少锅炉、风机等系统的噪声和振动。结构简单、体轻，维修方便。The fabric compensator is mainly a high temperature resistant material such as fiber fabric, rubber, and the like. It can compensate the vibration of the fan and air duct and the deformation of the pipeline. The fiber fabric expansion joint can compensate for axial, lateral, angular and other products. It has the characteristics of no thrust, simplified bearing design, corrosion resistance, high temperature resistance, noise reduction and vibration damping, etc. It is especially suitable for power plant hot air pipes and soot pipes. The fiber fabric and the thermal insulation cotton body in the non-metallic compensator have the functions of sound absorption and vibration isolation, and can effectively reduce noise and vibration of boilers, fans and the like. The structure is simple, the body is light, and the maintenance is convenient.
现有的非金属膨胀节主要存在着使用容易磨损、寿命较短的不足之处。The existing non-metallic expansion joints mainly have the disadvantages of easy wear and short life.
发明内容Summary of the invention
本发明的目的是克服现有技术的不足之处，提供一种非金属膨胀节。It is an object of the present invention to overcome the deficiencies of the prior art by providing a non-metallic expansion joint.
本发明的非金属膨胀节，包括骨架和蒙皮，所述的骨架采用槽钢为原料,所述的蒙皮由4-14层织物组成，所述的蒙皮通过压板和螺丝固定在槽钢上，其中所述的蒙皮包括如下材料层中的一层或几层：1)不锈钢丝网层；2)一层或多层无碱玻璃纤维布；3)一层或多层聚四氟乙烯薄膜；4)一层或多层无碱玻璃纤维布；5)一层或多层复合硅橡胶无碱玻璃纤维布；6)一层或多层超细无碱玻璃纤
维布；7)一层或多层隔热布；8)一层或多层防火布；9)一层或多层陶瓷纤维布，所述的各层用包边布缝合在一起。The non-metallic expansion joint of the present invention comprises a skeleton and a skin, the skeleton is made of channel steel, the skin is composed of 4-14 layers of fabric, and the skin is fixed on the channel by a pressure plate and a screw. The skin described therein comprises one or more layers of the following material layers: 1) a stainless steel wire mesh layer; 2) one or more layers of alkali-free glass fiber cloth; 3) one or more layers of polytetrafluoroethylene Vinyl film; 4) one or more layers of alkali-free glass fiber cloth; 5) one or more layers of composite silicone rubber alkali-free glass fiber cloth; 6) one or more layers of ultra-fine alkali-free glass fiber
Vib; 7) one or more layers of insulating cloth; 8) one or more layers of fireproof cloth; 9) one or more layers of ceramic fiber cloth, said layers being sewn together with a edging cloth.
本发明的非金属膨胀节具有不容易磨损，使用时间较长的技术效果。The non-metallic expansion joint of the present invention has a technical effect that it is not easily worn and has a long service life.
实施例1Example 1
本发明的非金属膨胀节，包括骨架和蒙皮，所述的骨架采用槽钢为原料,所述的蒙皮由9层织物组成，所述的蒙皮通过压板和螺丝固定在槽钢上，其中所述的蒙皮包括如下材料层中的一层或几层：1)不锈钢丝网层；2)一层无碱玻璃纤维布；3)一层聚四氟乙烯薄膜；4)一层无碱玻璃纤维布；5)一层复合硅橡胶无碱玻璃纤维布；6)一层超细无碱玻璃纤维布；7)一层隔热布；8)一层防火布；9)一层陶瓷纤维布，所述的各层用包边布缝合在一起。The non-metallic expansion joint of the present invention comprises a skeleton and a skin, the skeleton is made of channel steel, the skin is composed of 9 layers of fabric, and the skin is fixed on the channel by a pressing plate and a screw. The skin comprises a layer or layers of the following material layers: 1) a stainless steel wire mesh layer; 2) a layer of alkali-free glass fiber cloth; 3) a layer of polytetrafluoroethylene film; 4) a layer of no Alkali glass fiber cloth; 5) a layer of composite silicone rubber alkali-free glass fiber cloth; 6) a layer of ultra-fine alkali-free glass fiber cloth; 7) a layer of insulation cloth; 8) a layer of fireproof cloth; 9) a layer of ceramic The fiber cloth, the layers are stitched together with a edging cloth.
实施例2Example 2
本发明的非金属膨胀节，包括骨架和蒙皮，所述的骨架采用槽钢为原料,所述的蒙皮由4层织物组成，所述的蒙皮通过压板和螺丝固定在槽钢上，其中所述的蒙皮包括如下材料层中的一层或几层：1)不锈钢丝网层；2)一层无碱玻璃纤维布；3)一层聚四氟乙烯薄膜；4)一层陶瓷纤维布，所述的各层用包边布缝合在一起。The non-metallic expansion joint of the present invention comprises a skeleton and a skin, the skeleton is made of channel steel, the skin is composed of 4 layers of fabric, and the skin is fixed on the channel by a pressure plate and a screw. The skin comprises a layer or layers of the following material layers: 1) a stainless steel wire mesh layer; 2) a layer of alkali-free glass fiber cloth; 3) a layer of polytetrafluoroethylene film; 4) a layer of ceramic The fiber cloth, the layers are stitched together with a edging cloth.
实施例3Example 3
本发明的非金属膨胀节，包括骨架和蒙皮，所述的骨架采用槽钢为原料,所述的蒙皮由14层织物组成，所述的蒙皮通过压板和螺丝固定在槽钢上，其中所述的蒙皮包括如下材料层中的一层或几层：1)不锈钢丝网层；2)2层无碱玻璃纤维布；3)2层聚四氟乙烯薄膜；4)2层无碱玻璃纤维布；5)2层复合硅橡胶无碱玻璃纤维布；6)一层超细无碱玻璃纤维布；7)一层隔热布；8)一层防火布；9)2层陶瓷纤维布，所述的各层用包边布缝合在一起。
The non-metallic expansion joint of the present invention comprises a skeleton and a skin, the skeleton is made of channel steel, the skin is composed of 14 layers of fabric, and the skin is fixed on the channel by a pressure plate and a screw. The skin comprises a layer or layers of the following material layers: 1) a stainless steel wire mesh layer; 2) a 2-layer alkali-free glass fiber cloth; 3) a 2-layer polytetrafluoroethylene film; 4) 2 layers without Alkali glass fiber cloth; 5) 2-layer composite silicone rubber alkali-free glass fiber cloth; 6) One layer of ultra-fine alkali-free glass fiber cloth; 7) One layer of heat-insulating cloth; 8) One layer of fire-proof cloth; 9) Two-layer ceramic The fiber cloth, the layers are stitched together with a edging cloth.
Claims (1)
- 一种非金属膨胀节，其特征在于，包括骨架和蒙皮，所述的骨架采用槽钢为原料,所述的蒙皮由4-14层织物组成，所述的蒙皮通过压板和螺丝固定在槽钢上，其中所述的蒙皮包括如下材料层中的一层或几层：1)不锈钢丝网层；2)一层或多层无碱玻璃纤维布；3)一层或多层聚四氟乙烯薄膜；4)一层或多层无碱玻璃纤维布；5)一层或多层复合硅橡胶无碱玻璃纤维布；6)一层或多层超细无碱玻璃纤维布；7)一层或多层隔热布；8)一层或多层防火布；9)一层或多层陶瓷纤维布，所述的各层用包边布缝合在一起。 A non-metallic expansion joint characterized by comprising a skeleton and a skin, the skeleton is made of channel steel, the skin is composed of 4-14 layers of fabric, and the skin is fixed by a pressing plate and a screw. In the channel steel, wherein the skin comprises one or more of the following layers of material: 1) a stainless steel wire mesh layer; 2) one or more layers of alkali-free glass fiber cloth; 3) one or more layers PTFE film; 4) one or more layers of alkali-free glass fiber cloth; 5) one or more layers of composite silicone rubber alkali-free glass fiber cloth; 6) one or more layers of ultra-fine alkali-free glass fiber cloth; 7) one or more layers of insulating cloth; 8) one or more layers of fireproof cloth; 9) one or more layers of ceramic fiber cloth, said layers being sewn together with a edging cloth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142240.4 | 2016-03-14 | ||
| CN201610142240.4A CN105570594A (en) | 2016-03-14 | 2016-03-14 | Non-metallic expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017157031A1 true WO2017157031A1 (en) | 2017-09-21 |
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ID=55881050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2016/105149 WO2017157031A1 (en) | 2016-03-14 | 2016-11-09 | Non-metallic expansion joint |
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|---|---|
| CN (1) | CN105570594A (en) |
| WO (1) | WO2017157031A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910708A (en) * | 2019-11-29 | 2020-03-24 | 哈尔滨兆禾机械设备技术开发有限公司 | Ball curtain imaging structure of flight training simulator |
| CN112128499A (en) * | 2020-10-16 | 2020-12-25 | 诸暨市沣泽动力机械有限公司 | Novel heavy-duty combustion engine nonmetal expansion joint |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570594A (en) * | 2016-03-14 | 2016-05-11 | 江苏奎泽机械工业有限公司 | Non-metallic expansion joint |
| CN110345331A (en) * | 2019-08-14 | 2019-10-18 | 南京晨光东螺波纹管有限公司 | A kind of nuclear island gate expansion joint |
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2016
- 2016-03-14 CN CN201610142240.4A patent/CN105570594A/en active Pending
- 2016-11-09 WO PCT/CN2016/105149 patent/WO2017157031A1/en active Application Filing
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| US3527481A (en) * | 1969-02-10 | 1970-09-08 | Ethylene Corp | Flexible coupling having expansion and contraction limiting means |
| CN103411082A (en) * | 2013-07-17 | 2013-11-27 | 江苏奎泽机械工业有限公司 | Environment-friendly denitration non-metallic compensator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910708A (en) * | 2019-11-29 | 2020-03-24 | 哈尔滨兆禾机械设备技术开发有限公司 | Ball curtain imaging structure of flight training simulator |
| CN112128499A (en) * | 2020-10-16 | 2020-12-25 | 诸暨市沣泽动力机械有限公司 | Novel heavy-duty combustion engine nonmetal expansion joint |
| CN112128499B (en) * | 2020-10-16 | 2023-08-29 | 诸暨市沣泽动力机械有限公司 | Novel nonmetal expansion joint of heavy-duty gas turbine |
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| Publication number | Publication date |
|---|---|
| CN105570594A (en) | 2016-05-11 |
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