CN110848472A - High-temperature-resistant drain pipe - Google Patents
High-temperature-resistant drain pipe Download PDFInfo
- Publication number
- CN110848472A CN110848472A CN201810945127.9A CN201810945127A CN110848472A CN 110848472 A CN110848472 A CN 110848472A CN 201810945127 A CN201810945127 A CN 201810945127A CN 110848472 A CN110848472 A CN 110848472A
- Authority
- CN
- China
- Prior art keywords
- high temperature
- temperature resistant
- resistant layer
- drain pipe
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
- F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
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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
- F16L9/00—Rigid pipes
- F16L9/006—Rigid pipes specially profiled
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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
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to a high-temperature-resistant drain pipe. The drain pipe comprises a drain pipe main body, an inner high temperature resistant layer and an outer high temperature resistant layer, wherein the drain pipe main body is a hollow cylinder, the outer high temperature resistant layer is tightly compounded on the outer surface of the drain pipe main body, the inner high temperature resistant layer is tightly compounded on the inner surface of the drain pipe main body, the inner high temperature resistant layer and the outer high temperature resistant layer are both nano ceramic composite layers, the thermal conductivity of the inner high temperature resistant layer and the thermal conductivity of the outer high temperature resistant layer are both lower than that of the drain pipe main body, the thermal conductivity of the inner high temperature resistant layer is lower than that of the outer high temperature resistant layer, and the inner high temperature resistant layer and the outer high temperature resistant layer are polytetrafluoroethylene heat-resistant layers. The invention has the advantages of simple structure, long service life, high temperature resistance, high drainage speed and low production cost.
Description
Technical Field
The invention relates to the technical field of pipelines, in particular to a high-temperature-resistant drain pipe.
Background
A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations.
At present, in order to consider the service life of the pipeline, the quality requirements of a plurality of manufacturers on the pipeline are very strict, particularly on the purposes of water supply, water drainage, heat supply, gas supply and the like, but the existing pipeline is easy to corrode after being used for a long time, the heat preservation effect is poor, the normal use of the pipeline is influenced, and the maintenance cost is increased.
Disclosure of Invention
The invention provides the high-temperature-resistant drain pipe which is simple in structure, long in service life, high-temperature-resistant, high in drainage speed and low in production cost.
The technical scheme of the invention is as follows: the drain pipe comprises a drain pipe main body, an inner high temperature resistant layer and an outer high temperature resistant layer, wherein the drain pipe main body is a hollow cylinder, the outer high temperature resistant layer is tightly compounded on the outer surface of the drain pipe main body, the inner high temperature resistant layer is tightly compounded on the inner surface of the drain pipe main body, the inner high temperature resistant layer and the outer high temperature resistant layer are both nano ceramic composite layers, the thermal conductivity of the inner high temperature resistant layer and the thermal conductivity of the outer high temperature resistant layer are both lower than that of the drain pipe main body, the thermal conductivity of the inner high temperature resistant layer is lower than that of the outer high temperature resistant layer, and the inner high temperature resistant layer and the outer high temperature resistant layer are polytetrafluoroethylene heat-resistant layers.
The drain pipe main body is a PVE or PPR pipe.
The diameter of the drain pipe main body is 20-40 mm.
The thickness of the inner high temperature resistant layer is different from that of the outer high temperature resistant layer.
The inner wall of the drain pipe main body is smooth, the inner high-temperature-resistant layer is adhered to the inner wall of the drain pipe main body through the composite glue, and the surface of the inner high-temperature-resistant layer is provided with the spiral drainage channel to accelerate the water flow passing speed.
The spiral drainage channel is composed of a plurality of discontinuous spiral curves.
A plurality of discontinuous spiral bends constitute by a plurality of positive spiral bends and anti-spiral bends, positive spiral bend and anti-spiral bend set up in turn in proper order, positive spiral bend and anti-spiral bend between be the interior high temperature resistant layer of glossy.
The invention has the advantages of simple structure, long service life, high temperature resistance, high drainage speed and low production cost.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure, 1 is a drain pipe body, 2 is an outer high temperature resistant layer, and 3 is an inner high temperature resistant layer.
Detailed Description
A high-temperature-resistant drain pipe comprises a drain pipe main body 1, an inner high-temperature-resistant layer 3 and an outer high-temperature-resistant layer 2, wherein the drain pipe main body 1 is a hollow cylinder, the outer high-temperature-resistant layer 2 is tightly compounded on the outer surface of the drain pipe main body 1, the inner high-temperature-resistant layer 3 is tightly compounded on the inner surface of the drain pipe main body 1, the inner high-temperature-resistant layer 3 and the outer high-temperature-resistant layer 2 are both nano ceramic composite layers, the thermal conductivity of the inner high-temperature-resistant layer 3 and the thermal conductivity of the outer high-temperature-resistant layer 2 are both lower than that of the drain pipe main body 1, the thermal conductivity of the inner high-temperature-resistant layer 3 is lower than that of the outer high-temperature-resistant layer 2, and the inner high-temperature-resistant layer 3 and the.
The drain pipe body 1 is a PVE or PPR pipe.
The diameter of the drain pipe main body 1 is 20-40 mm.
The thickness of the inner high temperature resistant layer 3 is different from that of the outer high temperature resistant layer 2.
The inner wall of the drain pipe main body 1 is smooth, the inner high-temperature-resistant layer 2 is adhered to the inner wall of the drain pipe main body 1 through the composite glue, and the surface of the inner high-temperature-resistant layer 2 is provided with a spiral drainage channel for accelerating the passing speed of water flow.
The spiral drainage channel is composed of a plurality of discontinuous spiral curves.
A plurality of discontinuous spiral bend constitute by a plurality of positive spiral bend and anti-spiral bend, positive spiral bend and anti-spiral bend set up in turn in proper order, positive spiral bend and anti-spiral bend between be smooth interior high temperature resistant layer 3.
Claims (7)
1. The utility model provides a high temperature resistant drain pipe which characterized in that: the drain pipe comprises a drain pipe main body, an inner high temperature resistant layer and an outer high temperature resistant layer, wherein the drain pipe main body is a hollow cylinder, the outer high temperature resistant layer is tightly compounded on the outer surface of the drain pipe main body, the inner high temperature resistant layer is tightly compounded on the inner surface of the drain pipe main body, the inner high temperature resistant layer and the outer high temperature resistant layer are both nano ceramic composite layers, the thermal conductivity of the inner high temperature resistant layer and the thermal conductivity of the outer high temperature resistant layer are both lower than that of the drain pipe main body, the thermal conductivity of the inner high temperature resistant layer is lower than that of the outer high temperature resistant layer, and the inner high temperature resistant layer and the outer high temperature resistant layer are polytetrafluoroethylene heat-resistant layers.
2. A high temperature resistant drain pipe according to claim 1, wherein: the drain pipe main body is a PVE or PPR pipe.
3. A high temperature resistant drain pipe according to claim 1, wherein: the diameter of the drain pipe main body is 20-40 mm.
4. A high temperature resistant drain pipe according to claim 1, wherein: the thickness of the inner high temperature resistant layer is different from that of the outer high temperature resistant layer.
5. A high temperature resistant drain pipe according to claim 1, wherein: the inner wall of the drain pipe main body is smooth, the inner high-temperature-resistant layer is adhered to the inner wall of the drain pipe main body through the composite glue, and the surface of the inner high-temperature-resistant layer is provided with the spiral drainage channel to accelerate the water flow passing speed.
6. A high temperature resistant drain pipe according to claim 5, wherein: the spiral drainage channel is composed of a plurality of discontinuous spiral curves.
7. A high temperature resistant drain pipe according to claim 5, wherein: a plurality of discontinuous spiral bends constitute by a plurality of positive spiral bends and anti-spiral bends, positive spiral bend and anti-spiral bend set up in turn in proper order, positive spiral bend and anti-spiral bend between be the interior high temperature resistant layer of glossy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945127.9A CN110848472A (en) | 2018-08-20 | 2018-08-20 | High-temperature-resistant drain pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945127.9A CN110848472A (en) | 2018-08-20 | 2018-08-20 | High-temperature-resistant drain pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110848472A true CN110848472A (en) | 2020-02-28 |
Family
ID=69595683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810945127.9A Pending CN110848472A (en) | 2018-08-20 | 2018-08-20 | High-temperature-resistant drain pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110848472A (en) |
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2018
- 2018-08-20 CN CN201810945127.9A patent/CN110848472A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200228 |