CN2499677Y - Thermal insulation pipe with anti-heat epoxy coal pitch anti-corrosion layer - Google Patents
Thermal insulation pipe with anti-heat epoxy coal pitch anti-corrosion layer Download PDFInfo
- Publication number
- CN2499677Y CN2499677Y CN 01260285 CN01260285U CN2499677Y CN 2499677 Y CN2499677 Y CN 2499677Y CN 01260285 CN01260285 CN 01260285 CN 01260285 U CN01260285 U CN 01260285U CN 2499677 Y CN2499677 Y CN 2499677Y
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- China
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- weight portion
- heat
- thermal insulation
- coal tar
- tar pitch
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- Expired - Lifetime
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Abstract
The utility model relates to a thermal insulation pipe with anti-heat epoxy coal pitch anti-corrosion layer and can be applied to heat insulating pipe line for transmitting high temperature medium. The utility model consists of a steel pipe, a preformed welding sect, an anti-heat epoxy coal pitch anti-corrosion layer, a polyurethane-glass microballoon heat insulating layer, a polypropylene sleeve and a polymer concrete weighting layer. The utility model has good anti-corrosion performance, heat insulating performance, anti-heat performance and waterproof performance, the epoxy coal pitch anti-corrosion layer can resist 150 DEG C. The utility model can be applied to the heat insulating pipe lines of petrochemical industry heat transmission and steam transmission.
Description
The utility model relates to a kind of thermal insulation pipe of heat-proof epoxy coal tar pitch anticorrosive coat, is used for the defeated hot insulated line of petrochemical industry heat, heat supply hot insulated line.
The at high temperature perishable damage of corrosion-inhibiting coating in the defeated pipeline of existing heat, the heat supply pipeline, make pipe corrosion, adopt the thermal insulation pipe of polyurethane foam insulation layer to influence heat insulation effect, and can produce serious sour corrosion, easily produce slip in addition between thermal insulation layer and adjacent layer and damage thermal insulation layer because of seeping water.
The purpose of this utility model be to avoid above-mentioned deficiency of the prior art and provide a kind of anticorrosive coat can anti-150 ℃ of high temperature, Corrosion Protection is good, the thermal insulation layer water proofing property strong, high insulating effect, be difficult for producing the thermal insulation pipe of the heat-proof epoxy coal tar pitch anticorrosive coat that slides.
The purpose of this utility model can reach by following measure.
The thermal insulation pipe of heat-proof epoxy coal tar pitch anticorrosive coat of the present utility model comprises steel pipe 1, reservation welding section 2 at steel pipe 1 two ends, it is characterized in that heat-proof epoxy coal tar pitch anticorrosive coat 3 being arranged in turn at the outer surface of steel pipe 1, polyurethane-glass microballoon thermal insulation layer 4, polypropylene sleeve pipe 5 and polymer-concrete add double-layer 6, heat-proof epoxy coal tar pitch anticorrosive coat 3 is by 1 weight portion epoxy resin, 0.1～1 weight portion coal tar pitch, 0.05～1 parts by weight of styrene-butadiene-styrene block copolymer, 0.1～1 weight portion French chalk, 0.1～1 weight portion blanc fixe, 0.5 the solidfied material of～2 weight portion modified amine is formed, polyurethane-glass microballoon thermal insulation layer 4 is made up of polyurethane foam Bond and glass microballoon, and polymer-concrete adds double-layer 6 and is made up of epoxy polymer and cement.
Be steel pipe 1 long 12m preferably, external diameter of pipe 114mm, wall thickness 8mm, reserve each long 100mm of welding section 2 every ends, the thickness of heat-proof epoxy coal tar pitch anticorrosive coat 3 is 300 μ m, the length of polypropylene sleeve pipe 5 is 11.8m, external diameter of pipe is 204mm, wall thickness 8mm, polymer-concrete increases the weight of 6 thickness 20mm, heat-proof epoxy coal tar pitch anticorrosive coat 3 is by 1 weight portion epoxy resin, 0.3 weight portion coal tar pitch, 0.2 parts by weight of styrene-butadiene-styrene block copolymer, 0.6 weight portion French chalk, 0.6 weight portion blanc fixe, the solidfied material of 1 weight portion modified amine is formed, polyurethane-glass microballoon thermal insulation layer 4 is made up of 1 weight portion polyurethane foam Bond and 2 weight portion glass microballoons, and polymer-concrete adds double-layer 6 and is made up of 1 weight portion epoxy polymer and 4 parts by weight of cement.
The thermal insulation pipe manufacture process of heat-proof epoxy coal tar pitch anticorrosive coat is as follows: with steel pipe 1 outer surface derusting by sandblasting, spraying heat-proof epoxy coal tar pitch anticorrosive coat 3, also can adopt squeezing and coating, brush technology, can be during batching with modified amine as one group, other component is another group, the construction of employing double-component, outside at the steel pipe 1 that applies anticorrosive coat puts polypropylene sleeve pipe 5, annular space spray polyurethane-glass microballoon thermal insulation layer 4 at steel pipe 1 and polypropylene sleeve pipe 5, outer surface squeezing and coating polymer-concrete at polypropylene sleeve pipe 5 adds double-layer 6, and also can suitably add steel wire increases pulling force.
The utility model compared with prior art has following advantage:
1, the thermal insulation pipe of heat-proof epoxy coal tar pitch anticorrosive coat has good Corrosion Protection, resistance to heat, thermal insulation property.Heat-proof epoxy coal tar pitch anticorrosive coat 3 has good chemical-resistant stability, can anti-150 ℃ of high temperature, and polyurethane one glass microballoon thermal insulation layer (4) has excellent waterproof property, thermal insulation property, can bear big external force effect, is difficult for producing and slides.
2, polypropylene sleeve pipe 5 and polymer-concrete add double-layer 6 and have good outer protective action, easy construction.
Below in conjunction with description of drawings.
Fig. 1 is the longitudinal sectional drawing of the thermal insulation pipe of heat-proof epoxy coal tar pitch anticorrosive coat;
Fig. 2 is its transverse cross-sectional view.Among the figure: the 1-steel pipe; 2-reserves welding section; 3-heat-proof epoxy coal tar pitch anticorrosive coat; 4-polyurethane-glass microballoon thermal insulation layer; 5-polypropylene sleeve pipe; The 6-polymer-concrete adds double-layer.
Embodiment 1
The thermal insulation pipe of heat-proof epoxy coal tar pitch anticorrosive coat is used to carry the hot insulated line of high-temperature steam.Steel pipe 1 long 12m, external diameter of pipe 114mm, wall thickness 8mm, reserving the every end of welding section 2 length respectively is 100mm, the thickness 300 μ m of heat-proof epoxy coal tar pitch anticorrosive coat 3, the length of polypropylene sleeve pipe 5 is 11.8m, external diameter of pipe 204mm, wall thickness 8mm, the thickness that polymer-concrete adds double-layer is 20mm, and heat-proof epoxy coal tar pitch anticorrosive coat 3 is by 1 weight portion epoxy resin, 0.3 weight portion coal tar pitch, 0.2 parts by weight of styrene-butadiene-styrene block copolymer, 0.6 weight portion French chalk, 0.6 weight portion blanc fixe, 1 weight portion T
31The solidfied material of type modified amine is formed, and polyurethane-glass microballoon thermal insulation layer 4 is made up of 1 weight portion polyurethane foam Bond and 2 weight portion glass microballoons, and polymer-concrete adds double-layer 6 and is made up of 1 weight portion epoxy polymer and 4 parts by weight of cement.This thermal insulation pipe is welded into pipeline carries out repaired mouth and become the hot insulated line of carrying high-temperature steam, mensuration shows, heat-proof epoxy coal tar pitch anticorrosive coat 3 can anti-150 ℃ of high temperature, have good Corrosion Protection, and this coating is through 10%HCI, 10%H
2SO
4, 10%N
aOH, 5%N
aIt is intact to soak 1 year quality in CI, oil-field flooding, sewage, tap water, the former wet goods medium.
Claims (2)
1, a kind of thermal insulation pipe of heat-proof epoxy coal tar pitch anticorrosive coat, comprise steel pipe (1), reservation welding section (2) at steel pipe (1) two ends, it is characterized in that heat-proof epoxy coal tar pitch anticorrosive coat (3) being arranged in turn at the outer surface of steel pipe (1), polyurethane-glass microballoon thermal insulation layer (4), polypropylene sleeve pipe (5) and polymer-concrete add double-layer (6), heat-proof epoxy coal tar pitch anticorrosive coat (3) is by 1 weight portion epoxy resin, 0.1～1 weight portion coal tar pitch, 0.05～1 parts by weight of styrene-butadiene-styrene block copolymer, 0.1～1 weight portion French chalk, 0.1～1 weight portion blanc fixe, 0.5 the solidfied material of～2 weight portion modified amine is formed, polyurethane-glass microballoon thermal insulation layer (4) is made up of polyurethane foam Bond and glass microballoon, and polymer-concrete adds double-layer (6) and is made up of epoxy polymer and cement.
2, the thermal insulation pipe of epoxy coal tar pitch coating according to claim 1, it is characterized in that the long 12m of steel pipe (1), external diameter of pipe 114mm, wall thickness 8mm, reserve each long 100mm of the every end of welding section (2), the thickness of heat-proof epoxy coal tar pitch anticorrosive coat (3) is 300 μ m, the length of polypropylene sleeve pipe (5) is 11.8m, external diameter of pipe is 204mm, wall thickness 8mm, polymer-concrete adds the thickness 20mm of double-layer (6), heat-proof epoxy coal tar pitch anticorrosive coat (3) is by 1 weight portion epoxy resin, 0.3 weight portion coal tar pitch, 0.2 parts by weight of styrene-butadiene-styrene block copolymer, 0.6 weight portion French chalk, 0.6 weight portion blanc fixe, the solidfied material of 1 weight portion modified amine is formed, polyurethane-glass microballoon thermal insulation layer (4) is made up of 1 weight portion polyurethane foam Bond and 2 weight portion glass microballoons, and polymer-concrete adds double-layer (6) and is made up of 1 weight portion epoxy polymer and 4 parts by weight of cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01260285 CN2499677Y (en) | 2001-09-27 | 2001-09-27 | Thermal insulation pipe with anti-heat epoxy coal pitch anti-corrosion layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01260285 CN2499677Y (en) | 2001-09-27 | 2001-09-27 | Thermal insulation pipe with anti-heat epoxy coal pitch anti-corrosion layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2499677Y true CN2499677Y (en) | 2002-07-10 |
Family
ID=33668472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01260285 Expired - Lifetime CN2499677Y (en) | 2001-09-27 | 2001-09-27 | Thermal insulation pipe with anti-heat epoxy coal pitch anti-corrosion layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2499677Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344702C (en) * | 2006-03-24 | 2007-10-24 | 张平 | Asphalt filler compsns |
| CN100429446C (en) * | 2006-05-18 | 2008-10-29 | 中国石油天然气集团公司 | Concrete-weighed submarine petroleum pipe and its manufacture |
| CN105402504A (en) * | 2015-11-07 | 2016-03-16 | 江鹏财 | Prefabricated engineering pipe for municipal tap water |
| CN106481897A (en) * | 2016-11-04 | 2017-03-08 | 成都启立辰智科技有限公司 | A kind of pipe of concrete |
-
2001
- 2001-09-27 CN CN 01260285 patent/CN2499677Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344702C (en) * | 2006-03-24 | 2007-10-24 | 张平 | Asphalt filler compsns |
| CN100429446C (en) * | 2006-05-18 | 2008-10-29 | 中国石油天然气集团公司 | Concrete-weighed submarine petroleum pipe and its manufacture |
| CN105402504A (en) * | 2015-11-07 | 2016-03-16 | 江鹏财 | Prefabricated engineering pipe for municipal tap water |
| CN106481897A (en) * | 2016-11-04 | 2017-03-08 | 成都启立辰智科技有限公司 | A kind of pipe of concrete |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110927 Granted publication date: 20020710 |