CN106711912A - 一种地下线缆用保护管道 - Google Patents
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- 239000011347 resin Substances 0.000 claims abstract description 45
- 229920005989 resin Polymers 0.000 claims abstract description 45
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 22
- 238000005260 corrosion Methods 0.000 claims abstract description 20
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 17
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 17
- 239000003365 glass fiber Substances 0.000 claims abstract description 15
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 11
- 239000011230 binding agent Substances 0.000 claims abstract description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 8
- 239000012188 paraffin wax Substances 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 230000007797 corrosion Effects 0.000 claims abstract 6
- 239000004801 Chlorinated PVC Substances 0.000 claims abstract 3
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 claims abstract 3
- 230000001681 protective effect Effects 0.000 claims description 13
- 239000010419 fine particle Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 4
- 239000010935 stainless steel Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 16
- 239000013589 supplement Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000003026 anti-oxygenic effect Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- -1 more preferably Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- 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
- C08L27/04—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 chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- 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
- C08L27/22—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 modified by chemical after-treatment
- C08L27/24—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 modified by chemical after-treatment halogenated
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- 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
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Abstract
本发明公开了一种地下线缆用保护管道，包括从内到外依次设置树脂层、支撑层、耐腐蚀层，所述树脂层与支撑层之间通过粘结剂固接，所述支撑层与耐腐蚀层之间通过粘结剂固接，所述树脂层包括PVC树脂5％‑10％、CPVC树脂85％‑90％、轻钙5％‑10％、复合稳定剂1％‑5％、石蜡0.4％‑0.5％、玻璃纤维1％‑4％，所述支撑层为不锈钢，厚度为0.1mm‑1mm，所述耐腐蚀层为PTFE，厚度为0.01mm‑1mm，通过以上技术方案，不仅仅提高了地下线缆用保护管道的支撑强度，还提高了保护管道外表面的耐腐蚀性能。
Description
技术领域
本发明涉及一种线缆用保护管道，特别涉及一种地下线缆用保护管道。
背景技术
目前，国内能生产纯CPVC管道的厂家屈指可数，其中大部分采用进口设备和进口树脂及原辅材料，配方成本较高。由于CPVC树脂加工温度范围狭窄而且流动性差，在连续生产的时候容易产生糊料、堵模具等情况，清理时费时费力，耽误生产又造成原料浪费。
氯化聚氯乙烯(CPVC)树脂是生产CPVC电缆保护管的主要原料，含氯量高达61％-68％，热变形温度比PVC树脂高20-40℃，耐燃性、阻燃性、耐候性和耐化学药品性好，拉伸强度和弯曲强度高，正因上述诸多优点，已逐步被国家电网及电力公司等工程所采用，但CPVC树脂脆性大，须增韧改性。
现有的线缆保护管道，尤其是地下线缆的保护管道，通常的塑料管道难以满足要求，一方面是强度不足，支撑力不够，另一方面是外表面耐腐蚀性不够，当线缆保护管道损坏或变形后，线缆就会遭到破坏。
发明内容
本发明的目的是提供一种地下线缆用保护管道，不仅仅提高了地下线缆用保护管道的支撑强度，还提高了保护管道外表面的耐腐蚀性能。
本发明的技术方案为：一种地下线缆用保护管道，从内到外依次设置树脂层、支撑层、耐腐蚀层，树脂层与支撑层之间通过粘结剂固接，支撑层与耐腐蚀层之间通过粘结剂固接，树脂层为基层，为线缆用保护管道的主体材料，支撑层主要起到补充强度作用，以防止管道收到外力的挤压，耐腐蚀层主要是避免管道长时间在地下遭到腐蚀。
优选地，树脂层包括PVC树脂5％-10％、CPVC树脂85％-90％、轻钙5％-10％、复合稳定剂1％-5％、石蜡0.4％-0.5％、玻璃纤维1％-4％，PVC树脂和CPVC树脂混合后，管道强度更好，轻钙为填料，起到提高硬度的作用，稳定剂的作用是提高管道的抗氧化性能，玻璃纤维一方面是自身的物理性能，能够提高管道的强度，另一方面，一定长度的玻璃纤维与PVC和CPVC相互交织，形成一种网状结构，进一步增加了管道的强度。
优选地，树脂层包括PVC树脂6％、CPVC树脂86％、轻钙5、复合稳定剂1％、石蜡0.5％、玻璃纤维1.5％，PVC树脂和CPVC树脂混合后，管道强度更好，轻钙为填料，起到提高硬度的作用，稳定剂的作用是提高管道的抗氧化性能，玻璃纤维一方面是自身的物理性能，能够提高管道的强度，另一方面，一定长度的玻璃纤维与PVC和CPVC相互交织，形成一种网状结构，进一步增加了管道的强度。
优选地，支撑层为不锈钢，厚度为0.1mm-1mm，主要起到补充强度作用，以防止管道收到外力的挤压。
优选地，耐腐蚀层为PTFE，厚度为0.01mm-1mm，PTFE的耐腐蚀性能保证了线缆用保护管道的耐腐蚀效果。
具体实施方式
下面将结合具体实施例，对本发明的技术方案作详细说明，应理解这些实施例仅用于说明本发明而不用于限制本发明的范围，在阅读了本发明之后，本领域技术人员对本发明的各种等价形式的修改均落入本申请所附权利要求所限定的范围内。
实施例1
一种地下线缆用保护管道，从内到外依次设置树脂层、支撑层、耐腐蚀层，树脂层与支撑层之间通过粘结剂固接，支撑层与耐腐蚀层之间通过粘结剂固接，树脂层为基层，为线缆用保护管道的主体材料，支撑层主要起到补充强度作用，以防止管道收到外力的挤压，耐腐蚀层主要是避免管道长时间在地下遭到腐蚀。
优选地，所述树脂层包括PVC树脂6％、CPVC树脂86％、轻钙5、复合稳定剂1％、石蜡0.5％、玻璃纤维1.5％，PVC树脂和CPVC树脂混合后，管道强度更好，轻钙为填料，起到提高硬度的作用，稳定剂的作用是提高管道的抗氧化性能，玻璃纤维一方面是自身的物理性能，能够提高管道的强度，另一方面，一定长度的玻璃纤维与PVC和CPVC相互交织，形成一种网状结构，进一步增加了管道的强度。
优选地，支撑层为不锈钢，厚度为0.1mm，主要起到补充强度作用，以防止管道收到外力的挤压。
优选地，耐腐蚀层为PTFE，厚度为0.01mm，PTFE的耐腐蚀性能保证了线缆用保护管道的耐腐蚀效果。
实施例2
一种地下线缆用保护管道，从内到外依次设置树脂层、支撑层、耐腐蚀层，树脂层与支撑层之间通过粘结剂固接，支撑层与耐腐蚀层之间通过粘结剂固接，树脂层为基层，为线缆用保护管道的主体材料，支撑层主要起到补充强度作用，以防止管道收到外力的挤压，耐腐蚀层主要是避免管道长时间在地下遭到腐蚀。
所述树脂层包括PVC树脂5％、CPVC树脂85％、轻钙7％、复合稳定剂1.5％、石蜡0.5％、玻璃纤维1％，PVC树脂和CPVC树脂混合后，管道强度更好，轻钙为填料，起到提高硬度的作用，稳定剂的作用是提高管道的抗氧化性能，玻璃纤维一方面是自身的物理性能，能够提高管道的强度，另一方面，一定长度的玻璃纤维与PVC和CPVC相互交织，形成一种网状结构，进一步增加了管道的强度。
优选地，支撑层为不锈钢，厚度为1mm，主要起到补充强度作用，以防止管道收到外力的挤压。
优选地，耐腐蚀层为PTFE，厚度为1mm，PTFE的耐腐蚀性能保证了线缆用保护管道的耐腐蚀效果。
Claims (5)
1.一种地下线缆用保护管道，其特征在于：包括从内到外依次设置树脂层、支撑层、耐腐蚀层，所述树脂层与支撑层之间通过粘结剂固接，所述支撑层与耐腐蚀层之间通过粘结剂固接。
2.如权利要求1所述的一种地下线缆用保护管道，其特征在于：所述树脂层包括PVC树脂5％-10％、CPVC树脂85％-90％、轻钙5％-10％、复合稳定剂1％-5％、石蜡0.4％-0.5％、玻璃纤维1％-4％。
3.如权利要求2所述的一种地下线缆用保护管道，其特征在于：所述树脂层包括PVC树脂6％、CPVC树脂86％、轻钙5、复合稳定剂1％、石蜡0.5％、玻璃纤维1.5％。
4.如权利要求1-3任一所述的一种地下线缆用保护管道，其特征在于：所述支撑层为不锈钢，厚度为0.1mm-1mm。
5.如权利要求1-3任一所述的一种地下线缆用保护管道，其特征在于：所述耐腐蚀层为PTFE，厚度为0.01mm-1mm。
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204361643U (zh) * | 2014-08-08 | 2015-05-27 | 安徽卓成电力管业科技股份有限公司 | 复合电缆保护管 |
| CN104676139A (zh) * | 2013-11-26 | 2015-06-03 | 天津市恒洁久安科技有限公司 | 钢塑复合管件 |
| CN105111649A (zh) * | 2015-09-23 | 2015-12-02 | 江苏瀚能电气有限公司 | 一种cpvc电缆保护管 |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676139A (zh) * | 2013-11-26 | 2015-06-03 | 天津市恒洁久安科技有限公司 | 钢塑复合管件 |
| CN204361643U (zh) * | 2014-08-08 | 2015-05-27 | 安徽卓成电力管业科技股份有限公司 | 复合电缆保护管 |
| CN105111649A (zh) * | 2015-09-23 | 2015-12-02 | 江苏瀚能电气有限公司 | 一种cpvc电缆保护管 |
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