CN2218864Y - Composite insulation pipe - Google Patents
Composite insulation pipe Download PDFInfo
- Publication number
- CN2218864Y CN2218864Y CN 94222924 CN94222924U CN2218864Y CN 2218864 Y CN2218864 Y CN 2218864Y CN 94222924 CN94222924 CN 94222924 CN 94222924 U CN94222924 U CN 94222924U CN 2218864 Y CN2218864 Y CN 2218864Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- tube wall
- steel pipe
- silicate
- wall
- 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.)
- Expired - Fee Related
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- Thermal Insulation (AREA)
Abstract
The utility model relates to a composite insulation pipe whose inner layer is a steel pipe; an outer wall is a pipe wall with glass fibre reinforced plastics or a pipe wall with polyethylene; a silicate heat insulation layer and a foam plastic insulation layer are arranged between the steel pipe of the inner layer and the pipe wall with glass fibre reinforced plastics of the outer wall or the pipe wall with polyethylene of the outer layer. The utility model has good insulation, energy saving, high efficiency, corrosion protection, water resistance, compression resistance, high structural strength and long life time.
Description
The utility model relates to a kind of compound thermal insulating pipe.
Along with the develop rapidly of China's economic construction, show energy starved problem day serious.It is just imperative to develop the energy industry of China as early as possible or improve the power-saving technology of China, at present, China's direct-burried heat supply pipeline technical development is very fast, use also very extensive, as industrial departments such as national defence, oil, chemical industry, weaving, construction engineering, metallurgy, heat supply network engineering, underground heat, refrigeration.Therefore, reduce the loss of heat energy in transmission course, in the construction of China, just have huge economic implications to utilize heat energy greatly.The state-of-the-art direct-buried insulated pipe that adopts of China is the polyurethane foam jacket tube now, its shortcoming be suitable for the temperature of transmission medium can only be in 120 ℃-150 ℃ scope, the steam line that is higher than 150 ℃ for temperature just can not use.
The purpose of this utility model is to improve the shortcoming of prior art and a kind of temperature compound thermal insulating pipe in-40 ℃ of-600 ℃ of scopes, high insulating effect that is applicable to is provided.
The purpose of this utility model is achieved in that the internal layer of compound thermal insulating pipe is a steel pipe, and skin is glass fibre reinforced plastics tube wall or polyethylene tube wall, is equipped with silicate thermal-protective coating and foam insulation between inner layer steel pipe is with glass outer steel pipe walls or polyethylene tube wall.Wherein silicate can be selected magnesium silicate, aluminium-magnesium silicate, calcium silicate aluminium etc. for use; Foamed plastics can be selected following material for use, polyatomic alcohol polybasic alcohol/polyisocyanates (PUR) foam, polyisocyanurate (PIR) foam or phenol formaldehyde foam etc.The inner layer steel pipe of this compound thermal insulating pipe is in order to carry thermal medium, and its stiffness is big, the intensity height; Be enough to bear the conveying thermal medium, and be convenient to connect and installation; The silicate good heat-insulation effect, the heatproof height; The foamed plastics high insulating effect makes the thermal medium thermal loss of conveying little; Glass outer steel pipe walls or polyethylene tube wall are protective layer, protect silicate thermal-protective coating and foam insulation, and constitute an integral body with inner layer steel pipe.The optional shaping pipe of using of glass fibre reinforced plastics tube wall or polyethylene tube wall, also available band curls and forms.
The utility model good heat insulation, energy-saving efficiency height, anticorrosion, waterproof, antiseepage, resistance to compression, structural strength height, the life-span is long, and production technology is simple.
Below in conjunction with embodiment, details are as follows by accompanying drawing
Fig. 1 the utility model structural drawing
Embodiment 1
The internal layer of compound thermal insulating pipe is a steel pipe 1, skin is a glass fibre reinforced plastics tube wall 2, be equipped with magnesium silicate thermal-protective coating 3 at inner layer steel pipe outside with the steel pipe between the glass outer steel pipe walls, between magnesium silicate thermal-protective coating and glass fibre reinforced plastics tube wall, be equipped with polyatomic alcohol polybasic alcohol/polyisocyanates (PUR) foam insulation 4.
Embodiment 2
The internal layer of compound thermal insulating pipe is a steel pipe 1, skin is a polyethylene tube wall 2, be equipped with aluminium-magnesium silicate thermal-protective coating 3 at inner layer steel pipe outside with the steel pipe between the outer layer polyethylene tube wall, between aluminium-magnesium silicate thermal-protective coating and polyethylene tube wall, be equipped with polyisocyanurate (PIR) foam insulation 4.
The internal layer of compound thermal insulating pipe is a steel pipe 1, and skin is a polyethylene tube wall 2, is equipped with calcium silicate aluminium thermal-protective coating 3 at inner layer steel pipe outside with the steel pipe between the outer layer polyethylene tube wall, is equipped with phenolic foam thermal insulation layer 4 between calcium silicate aluminium thermal-protective coating and polyethylene tube wall.
Claims (3)
1, a kind of compound thermal insulating pipe, the internal layer that it is characterized in that this compound thermal insulating pipe is a steel pipe, skin is glass fibre reinforced plastics tube wall or polyethylene tube wall, is equipped with silicate thermal-protective coating and foam insulation between steel pipe is with glass fibre reinforced plastics tube wall or polyethylene tube wall.
2, a kind of compound thermal insulating pipe as claimed in claim 1 is characterized in that silicate is magnesium silicate, aluminium-magnesium silicate, calcium silicate aluminium.
3, a kind of compound thermal insulating pipe as claimed in claim 1 is characterized in that foamed plastics is polyatomic alcohol polybasic alcohol/polyisocyanates (PUR), polyisocyanurate (PIR) or phenolic foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94222924 CN2218864Y (en) | 1994-10-10 | 1994-10-10 | Composite insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94222924 CN2218864Y (en) | 1994-10-10 | 1994-10-10 | Composite insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2218864Y true CN2218864Y (en) | 1996-01-31 |
Family
ID=33836791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94222924 Expired - Fee Related CN2218864Y (en) | 1994-10-10 | 1994-10-10 | Composite insulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2218864Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661472A (en) * | 2012-05-07 | 2012-09-12 | 河北盛伟基业玻璃钢制品有限公司 | Double-wall interlayer heat-insulation glass steel tank body or cylinder and manufacturing method thereof |
| CN103486404A (en) * | 2013-08-21 | 2014-01-01 | 苏州康华净化系统工程有限公司 | Flame retardant composite vent pipe material used in cleaning shop |
-
1994
- 1994-10-10 CN CN 94222924 patent/CN2218864Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661472A (en) * | 2012-05-07 | 2012-09-12 | 河北盛伟基业玻璃钢制品有限公司 | Double-wall interlayer heat-insulation glass steel tank body or cylinder and manufacturing method thereof |
| CN103486404A (en) * | 2013-08-21 | 2014-01-01 | 苏州康华净化系统工程有限公司 | Flame retardant composite vent pipe material used in cleaning shop |
| CN103486404B (en) * | 2013-08-21 | 2015-04-29 | 苏州康华净化系统工程有限公司 | Flame retardant composite vent pipe material used in cleaning shop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |