CN211145779U - 一种聚乙烯防护的直埋保温管 - Google Patents
一种聚乙烯防护的直埋保温管 Download PDFInfo
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- CN211145779U CN211145779U CN201922192882.7U CN201922192882U CN211145779U CN 211145779 U CN211145779 U CN 211145779U CN 201922192882 U CN201922192882 U CN 201922192882U CN 211145779 U CN211145779 U CN 211145779U
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- polyethylene
- built
- steel pipe
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- 238000009413 insulation Methods 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 60
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 239000004698 Polyethylene Substances 0.000 claims abstract description 34
- -1 polyethylene Polymers 0.000 claims abstract description 34
- 229920000573 polyethylene Polymers 0.000 claims abstract description 34
- 239000003063 flame retardant Substances 0.000 claims abstract description 22
- 239000011247 coating layer Substances 0.000 claims abstract description 19
- 229920002635 polyurethane Polymers 0.000 claims abstract description 18
- 239000004814 polyurethane Substances 0.000 claims abstract description 18
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 24
- 239000011241 protective layer Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000002269 spontaneous effect Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000009941 weaving Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009365 direct transmission Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
Description
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922192882.7U CN211145779U (zh) | 2019-12-10 | 2019-12-10 | 一种聚乙烯防护的直埋保温管 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922192882.7U CN211145779U (zh) | 2019-12-10 | 2019-12-10 | 一种聚乙烯防护的直埋保温管 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145779U true CN211145779U (zh) | 2020-07-31 |
Family
ID=71751051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922192882.7U Active CN211145779U (zh) | 2019-12-10 | 2019-12-10 | 一种聚乙烯防护的直埋保温管 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145779U (zh) |
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2019
- 2019-12-10 CN CN201922192882.7U patent/CN211145779U/zh active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A direct buried insulation pipe protected by polyethylene Effective date of registration: 20210618 Granted publication date: 20200731 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2021980004937 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220610 Granted publication date: 20200731 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2021980004937 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Directly buried insulation pipe with polyethylene protection Effective date of registration: 20220613 Granted publication date: 20200731 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2022980007660 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230605 Granted publication date: 20200731 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2022980007660 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Polyethylene Protected Directly Buried Insulation Pipe Effective date of registration: 20230608 Granted publication date: 20200731 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2023980043245 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200731 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2023980043245 |