CN211738277U - Composite material anti-corrosion blow-off pipe for drainage engineering - Google Patents
Composite material anti-corrosion blow-off pipe for drainage engineering Download PDFInfo
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- CN211738277U CN211738277U CN202020279294.7U CN202020279294U CN211738277U CN 211738277 U CN211738277 U CN 211738277U CN 202020279294 U CN202020279294 U CN 202020279294U CN 211738277 U CN211738277 U CN 211738277U
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Abstract
The utility model discloses a drainage engineering is with anticorrosive blow off pipe of combined material, including the interior pipeline, the outside of interior pipeline is provided with heat preservation one, the outside of heat preservation one is provided with heat preservation two, heat preservation three is installed in the outside of heat preservation two, the outside of heat preservation three is provided with the outer protection pipe. According to the composite material anticorrosion sewage pipe for drainage engineering, the temperature change amplitude of the inner pipeline is greatly reduced through the first heat insulation layer, the second heat insulation layer and the third heat insulation layer which are made of high-temperature resistant fiber felts, so that the corrosion resistance is enhanced, and the service life of the inner pipeline is greatly prolonged; a foam layer is adopted to fully fill the gap between the third heat-insulating layer and the outer protection tube, so that the third heat-insulating layer and the outer protection tube form a firm whole; meanwhile, the inner anticorrosive coating I and the outer anticorrosive coating I which are made of the PTFE anticorrosive coating, and the inner anticorrosive coating II and the outer anticorrosive coating II which are made of the cold primer oil are adopted, so that the corrosion resistance effects of the inner pipeline and the outer protection pipe are improved, and the use is convenient.
Description
Technical Field
The utility model relates to a blow off pipe technical field specifically is an anticorrosive blow off pipe of combined material for drainage engineering.
Background
The drainage engineering is an engineering for collecting and discharging human domestic sewage and various waste water, redundant surface water and underground water in production (reducing underground water level), mainly comprises drainage channels or pipelines at all levels and auxiliary buildings thereof, can be additionally provided with water pumps or other water lifting machines, sewage treatment buildings and the like according to different drainage objects and drainage requirements, and is mainly used for farmlands, mines, towns (including factories), construction sites and the like.
The blow off pipe is a necessary pipeline in drainage engineering, but the corrosion resistance of present blow off pipe is comparatively general, and wherein the huge difference of inside and outside temperature has accelerated the corrosion rate of blow off pipe greatly, has shortened the life of blow off pipe.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drainage engineering is with anticorrosive blow off pipe of combined material to the corrosion resisting capability who presents present blow off pipe among the solution above-mentioned background art is comparatively general, and wherein the corrosion rate of blow off pipe has been accelerated greatly to the huge difference of inside and outside temperature, has shortened blow off pipe life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drainage engineering uses anticorrosive blow off pipe of combined material, includes the interior pipeline, the outside of interior pipeline is provided with heat preservation one, the outside of heat preservation one is provided with heat preservation two, heat preservation three is installed in the outside of heat preservation two, heat preservation three's the outside is provided with the outer protection tube, it has the foam blanket to fill between heat preservation three and the outer protection tube, the inner wall of interior pipeline is provided with interior anticorrosive coating one, the outside of interior anticorrosive coating one is provided with interior anticorrosive coating two, the outside of outer protection tube is provided with outer anticorrosive coating one, the outside of outer anticorrosive coating one is provided with outer anticorrosive coating two.
Preferably, the first heat-insulating layer is made of high-temperature-resistant fiber felt, the second heat-insulating layer is made of microporous calcium silicate heat-insulating material, and the third heat-insulating layer is made of aluminum foil material.
Preferably, the foam layer is made of hard polyurethane foam, and the foam layer fully fills a gap between the third heat insulation layer and the outer protection pipe.
Preferably, the outer protection tube is a polyethylene outer sleeve.
Preferably, the first inner anticorrosion coating and the first outer anticorrosion coating adopt PTFE anticorrosion coatings, and the second inner anticorrosion coating and the second outer anticorrosion coating adopt cold primer oil.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the composite material anticorrosion sewage pipe for drainage engineering, the first heat-insulating layer made of the high-temperature-resistant fiber felt, the second heat-insulating layer made of the microporous calcium silicate heat-insulating material and the third heat-insulating layer made of the aluminum foil material have excellent heat-insulating effects, and three heat-insulating measures are taken, so that the temperature change amplitude of the inner pipeline is greatly reduced, the corrosion resistance is enhanced, and the service life of the inner pipeline is greatly prolonged;
2. according to the composite material anti-corrosion blow-off pipe for drainage engineering, the foam layer is adopted to fully fill the gap between the third heat-insulating layer and the outer protection pipe, the foam layer made of rigid polyurethane foam has certain bonding strength, so that the third heat-insulating layer and the outer protection pipe form a firm whole, and the rigid polyurethane foam has good mechanical property and thermal insulation property, good heat-insulating effect and high strength;
3. this anticorrosive blow off pipe of combined material for drainage engineering adopts the interior anticorrosive coating one and the outer anticorrosive coating one of PTFE anticorrosive coating preparation and the interior anticorrosive coating two and the outer anticorrosive coating two of cold bottom oil preparation simultaneously, improves the corrosion-resistant effect of interior pipeline and outer protection pipe, convenient to use.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic view of the three-dimensional structure of the present invention.
In the figure: 1. an inner conduit; 2. a first heat insulation layer; 3. a second heat-insulating layer; 4. a third heat-insulating layer; 5. a foam layer; 6. an outer protection tube; 7. an inner anticorrosive coating I; 8. a second inner anticorrosive layer; 9. an outer anticorrosive layer I; 10. and the outer anticorrosive layer II.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a drainage is anticorrosive blow off pipe of combined material for engineering, including interior pipeline 1, heat preservation one 2, heat preservation two 3, heat preservation three 4, the foam blanket 5, outer protection pipe 6, interior anticorrosive coating one 7, interior anticorrosive coating two 8, outer anticorrosive coating one 9, outer anticorrosive coating two 10, the outside of interior pipeline 1 is provided with heat preservation one 2, the outside of heat preservation one 2 is provided with heat preservation two 3, heat preservation three 4 is installed in the outside of heat preservation two 3, the outside of heat preservation three 4 is provided with outer protection pipe 6, it has foam blanket 5 to fill between heat preservation three 4 and the outer protection pipe 6, the inner wall of interior pipeline 1 is provided with interior anticorrosive coating one 7, the outside of interior anticorrosive coating one 7 is provided with interior anticorrosive coating two 8, the outside of outer protection pipe 6 is provided with outer anticorrosive coating one 9, the outside of outer anticorrosive coating one 9 is provided with outer anticorrosive coating two 10.
Furthermore, the first heat-insulating layer 2 is made of high-temperature-resistant fiber felts, the second heat-insulating layer 3 is made of microporous calcium silicate heat-insulating materials, the third heat-insulating layer 4 is made of aluminum foil materials, the first heat-insulating layer 2 made of the high-temperature-resistant fiber felts, the second heat-insulating layer 3 made of the microporous calcium silicate heat-insulating materials and the third heat-insulating layer 4 made of the aluminum foil materials have excellent heat-insulating effects, and the three layers of heat-insulating measures greatly reduce the temperature change range of the inner pipeline 1, enhance the corrosion resistance and greatly prolong the service life of the inner pipeline 1.
Further, the foam layer 5 is made of hard polyurethane foam, the gap between the heat-insulating layer III 4 and the outer protection pipe 6 is fully filled in the foam layer 5, the foam layer 5 made of the hard polyurethane foam has certain bonding strength, the heat-insulating layer III 4 and the outer protection pipe 6 form a firm whole, and the hard polyurethane foam has good mechanical property and thermal insulation property, good heat insulation effect and high strength.
Further, the outer protection pipe 6 adopts a polyethylene outer sleeve which has extremely high mechanical strength, has good sealing performance and excellent corrosion resistance, and protects the inner pipeline 1 inside through the outer protection pipe 6 to prevent the whole inner structure of the outer protection pipe 6 from being damaged by collision in the transportation process.
Furthermore, the first inner anti-corrosion coating 7 and the first outer anti-corrosion coating 9 are made of PTFE anti-corrosion coatings, the second inner anti-corrosion coating 8 and the second outer anti-corrosion coating 10 are made of cold primer oil, the PTFE anti-corrosion coatings are high molecular compounds formed by polymerizing tetrafluoroethylene, and the cold primer oil has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-adhesiveness, electric insulation property, good ageing resistance and corrosion resistance, and has a certain anti-corrosion effect.
The working principle is as follows: firstly, the integral heat preservation layer I2 made of high temperature resistant fibrofelt, the heat preservation layer II 3 made of micropore calcium silicate heat preservation material and the heat preservation layer III 4 made of aluminum foil material have excellent heat preservation effect, three layers of heat preservation measures can greatly reduce the temperature change amplitude of the inner pipeline 1 and strengthen the corrosion resistance, thereby greatly prolonging the service life of the inner pipeline 1, the foam layer 5 is adopted to fully fill the gap between the heat preservation layer III 4 and the outer protection pipe 6, the foam layer 5 made of hard polyurethane foam has certain bonding strength, the heat preservation layer III 4 and the outer protection pipe 6 form a firm whole, the hard polyurethane foam has good mechanical property and thermal insulation property, the heat preservation effect is good, the strength is high, the outer protection pipe 6 made of polyethylene outer sleeve has extremely high mechanical strength, and has good sealing property and excellent corrosion resistance, protect inside interior pipeline 1 through outer protection pipe 6, prevent wholly in the transportation, the inner structure of outer protection pipe 6 receives the collision damage, adopts PTFE anticorrosive coating and cold bottom oil to improve the corrosion-resistant effect of interior pipeline 1 and outer protection pipe 6 simultaneously, convenient to use.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a drainage engineering is with anticorrosive blow off pipe of combined material, includes the interior pipeline, its characterized in that: the outer side of the inner pipeline is provided with a first heat insulation layer, the outer side of the first heat insulation layer is provided with a second heat insulation layer, the outer side of the second heat insulation layer is provided with a third heat insulation layer, an outer protection pipe is arranged on the outer side of the third heat insulation layer, a foam layer is filled between the third heat insulation layer and the outer protection pipe, the inner wall of the inner pipeline is provided with a first inner anticorrosion coating, a second inner anticorrosion coating is arranged on the outer side of the first inner anticorrosion coating, a first outer anticorrosion coating is arranged on the outer side of the outer protection pipe, and a second outer anticorrosion coating is arranged on the outer side of the.
2. The composite material anti-corrosion sewage pipe for drainage engineering according to claim 1, characterized in that: the first heat-insulating layer is made of high-temperature-resistant fiber felt, the second heat-insulating layer is made of microporous calcium silicate heat-insulating material, and the third heat-insulating layer is made of aluminum foil material.
3. The composite material anti-corrosion sewage pipe for drainage engineering according to claim 1, characterized in that: the foam layer is made of hard polyurethane foam, and the foam layer fully fills a gap between the third heat-insulating layer and the outer protection pipe.
4. The composite material anti-corrosion sewage pipe for drainage engineering according to claim 1, characterized in that: the outer protection tube adopts a polyethylene outer sleeve.
5. The composite material anti-corrosion sewage pipe for drainage engineering according to claim 1, characterized in that: the inner anticorrosion coating I and the outer anticorrosion coating I adopt PTFE anticorrosion coatings, and the inner anticorrosion coating II and the outer anticorrosion coating II adopt cold primer oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279294.7U CN211738277U (en) | 2020-03-09 | 2020-03-09 | Composite material anti-corrosion blow-off pipe for drainage engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279294.7U CN211738277U (en) | 2020-03-09 | 2020-03-09 | Composite material anti-corrosion blow-off pipe for drainage engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211738277U true CN211738277U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020279294.7U Expired - Fee Related CN211738277U (en) | 2020-03-09 | 2020-03-09 | Composite material anti-corrosion blow-off pipe for drainage engineering |
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| CN (1) | CN211738277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665213A (en) * | 2021-08-20 | 2021-11-19 | 合肥华峰暖通设备有限公司 | Corrosion-resistant high-temperature-resistant high-pressure pipeline and manufacturing method thereof |
-
2020
- 2020-03-09 CN CN202020279294.7U patent/CN211738277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665213A (en) * | 2021-08-20 | 2021-11-19 | 合肥华峰暖通设备有限公司 | Corrosion-resistant high-temperature-resistant high-pressure pipeline and manufacturing method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 Termination date: 20210309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |