CN2787966Y - Thermostable composite anti-corrosion thermal insulation pipe - Google Patents
Thermostable composite anti-corrosion thermal insulation pipe Download PDFInfo
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- CN2787966Y CN2787966Y CN 200520004697 CN200520004697U CN2787966Y CN 2787966 Y CN2787966 Y CN 2787966Y CN 200520004697 CN200520004697 CN 200520004697 CN 200520004697 U CN200520004697 U CN 200520004697U CN 2787966 Y CN2787966 Y CN 2787966Y
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Abstract
The utility model relates to a high temperature resistant composite anti-corrosion thermal insulation pipe which comprises a transport pipeline, and a high temperature resistant thermal insulation layer, a thermal insulation layer and a protective layer which are arranged from an inner part to an outer part outside the transport pipeline, wherein an inorganic material thermal insulation layer is arranged between the high temperature resistant thermal insulation layer and the thermal insulation layer; a reflective metal coating is arranged between the high temperature resistant thermal insulation layer and the protective layer. The utility model is mainly used for conveying a high temperature fluid medium.
Description
Technical field
The utility model relates to a kind of thermal insulation pipe of carrying the high temperature fluid medium, particularly a kind of thermal insulation pipe with composite heat-insulating layer.
Background technique
Chinese patent CN 2347035Y discloses a kind of heat supply pipeline with composite heat-insulating layer; comprise thermal insulation layer and steel pipe; fixed resistant to elevated temperatures coating layer on the outer surface of steel tube; the polyurethane foam thermal insulation layer is being set outside coating layer; thermal insulation layer is provided with containment vessel outward, and containment vessel constitutes with high density polyethylene (HDPE).Its shortcoming is: resistant to elevated temperatures coating layer is cemented in steel tube surface, can not alleviate the impact that the vibrations of conveyance fluid medium produce, and coating layer easily comes off, and makes thermal insulation pipe resistance to high temperature variation; The thermal expansion coefficient of coating layer and steel pipe is inconsistent, and when temperature variation was violent, both deformation extents were inconsistent, and both are consolidated, and can cause breaking of coating layer, shortens the working life of thermal insulation pipe; The polyurethane foam thermal insulation layer directly contacts with the high-temperature resistant coating layer, and temperature height, the long flowing medium of flow time can make the polyurethane charing, thereby have destroyed the chemical structure of polyurethane, have influenced the thermal insulation property of thermal insulation pipe and have shortened working life; Thermal insulation layer is few, and structure is single, can not avoid heat to scatter and disappear with convection current, radiation mode, and heat loss is big, the heat preservation energy-saving poor performance.
Summary of the invention
The utility model purpose with the high temperature resistant composite corrosionproof thermal insulating pipeline that a kind of high temperature resistant, long service life, good heat insulating are provided.
The technological scheme that the utility model technical solution problem adopts is: a kind of high temperature resistant composite corrosionproof thermal insulating pipeline; it comprises conveyance conduit and outer high-temperature-resistant thermal-insulation layer, thermal insulation layer and the protective layer that is provided with from inside to outside of conveyance conduit; be provided with the inorganic material thermal insulation layer between high-temperature-resistant thermal-insulation layer and the thermal insulation layer, be provided with metallic reflective coating between high-temperature-resistant thermal-insulation layer and the protective layer.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, described thermal insulation layer are the polyurethane foam plastics thermal insulation layer.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, metallic reflective coating is between inorganic material thermal insulation layer and thermal insulation layer.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, metallic reflective coating also can be between thermal insulation layer and protective layers.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, the temperature tolerance and the thermal conductivity of each layer reduce from inside to outside gradually, and the comprehensive thermal conductivity that is constituted is little, and heat waste is little, good heat insulating.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, metallic reflective coating inwall are minute surface, and the thickness of metallic reflective coating is 0.01～0.05 millimeter, the reflect heat that the high temperature fluid medium distributes is gone back, prevented that effectively heat scatters and disappears in the mode of radiation, reduced the loss of heat, good heat insulating.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline is provided with the layer with cavity between conveyance conduit and the protective layer, can prevent that heat scatters and disappears in the mode of convection current, strengthens thermal insulation property.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, protective layer are merged by two semicircular pipe boxes and form, and two semicircular pipe box edges are provided with the spiral shell button of some symmetrical distributions, spiral shell button loose-leaf hasp, and dismounting, installation, maintenance is convenient.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, protective layer can be plastic tube, steel pipe, Glass Steel Tube.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, described each number of plies amount is at least one deck.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, inorganic material thermal insulation layer can be microporous calcium silicate thermal insulation layer, magnesium metasilicate heat preservation layer.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, the thickness of high-temperature-resistant thermal-insulation layer are 10～50 millimeters.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, the thickness of inorganic material thermal insulation layer are 60～70 millimeters.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, the thickness of polyurethane foam plastics thermal insulation layer are 20～60 millimeters.
Above-mentioned high temperature resistant composite corrosionproof thermal insulating pipeline, the thickness of each layer changes along with the difference of temperature.
The beneficial effects of the utility model are: the utility model adopts multi-layer heat preserving layer structure, and high temperature resistant, temperature can reach 100～800 ℃; Employing has the sandwich structure and the metallic reflective coating of cavity, has avoided heat to scatter and disappear in the mode of convection current, radiation, reduces heat loss, has improved thermal insulation property, and energy-saving effect is better; Adopt layer protective layer at least, water and corrosive goods are blamed infiltration, and be anticorrosion, waterproof ability is strong, can direct-burried in underground, and can be used for the abominable marsh of environment, use the desert zone; Adopt free-standing to connect between each layer, avoided temperature variation the thermal insulation pipe Effect on Performance, more suitable for boreal climate cold, area that temperature change is big.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure, 1 is conveyance conduit, and 2 is the high-temperature-resistant thermal-insulation layer, and 3 is the inorganic material thermal insulation layer, and 4 is metallic reflective coating, and 5 is the polyurethane foam plastics thermal insulation layer, and 6 is protective layer.
Embodiment
Embodiment 1: a kind of high temperature resistant composite corrosionproof thermal insulating pipeline; it comprises conveyance conduit and the outer high-temperature-resistant thermal-insulation layer that is provided with from inside to outside of conveyance conduit; thermal insulation layer and protective layer; be provided with the inorganic material thermal insulation layer between high-temperature-resistant thermal-insulation layer and the described thermal insulation layer; be provided with metallic reflective coating between high-temperature-resistant thermal-insulation layer and the described protective layer; the metallic reflective coating inwall is a minute surface; the metallic tape film thickness is 0.01～0.05 millimeter; the thickness of high-temperature resistant thermal insulation layer is 10～50 millimeters; the thickness of inorganic material thermal insulation layer is 60～70 millimeters; the thickness of polyurethane foam plastics thermal insulation layer is 20～60 millimeters; adopt the on-fixed mode to connect between each layer; the high temperature resistant sheet material that constitutes the high-temperature-resistant thermal-insulation layer directly is wrapped on the conveyance conduit; each docking port staggers mutually; the inorganic material thermal insulation layer is spliced by insulation block; each interface bonds together with high-temperature plastic; metallic reflective coating is an aluminium foil; directly be wrapped in the periphery of inorganic material thermal insulation layer; between metallic reflective coating and protective layer, foam with polyurethane; form the urethane plastic thermal insulation layer, protective layer is the periphery that integrated piping is enclosed in the polyurethane foam plastics thermal insulation layer.
Embodiment 2: and embodiment 1 difference is that metallic reflective coating is between thermal insulation layer and protective layer.
Embodiment 3: and embodiment 1 or 2 differences are to be provided with between conveyance conduit and the protective layer layer with cavity.
Embodiment 4: be with embodiment 1 or 2 or 3 differences that protective layer is merged by two semicircular pipe boxes and form that two semicircular pipe box edges are provided with the spiral shell button of some symmetrical distributions, spiral shell button loose-leaf hasp is dismantled, and installation, maintenance makes things convenient for.
Claims (9)
1. high temperature resistant composite corrosionproof thermal insulating pipeline; it comprises conveyance conduit and outer high-temperature-resistant thermal-insulation layer, thermal insulation layer and the protective layer that is provided with from inside to outside of conveyance conduit; it is characterized in that being provided with the inorganic material thermal insulation layer between high-temperature-resistant thermal-insulation layer and the described thermal insulation layer, be provided with metallic reflective coating between high-temperature-resistant thermal-insulation layer and the described protective layer.
2. high temperature resistant composite corrosionproof thermal insulating pipeline according to claim 1 is characterized in that metallic reflective coating is between inorganic material thermal insulation layer and thermal insulation layer.
3. high temperature resistant composite corrosionproof thermal insulating pipeline according to claim 1 is characterized in that metallic reflective coating is between thermal insulation layer and protective layer.
4. according to claim 2 or 3 described high temperature resistant composite corrosionproof thermal insulating pipelines, it is characterized in that described protective layer is plastic tube, steel pipe or Glass Steel Tube.
5. high temperature resistant composite corrosionproof thermal insulating pipeline according to claim 4 is characterized in that described metallic reflective coating inwall is a minute surface, and the metallic tape film thickness is 0.01～0.05 millimeter.
6. high temperature resistant composite corrosionproof thermal insulating pipeline according to claim 5 is characterized in that being provided with between the random layer between described conveyance conduit and the protective layer layer with cavity.
7. high temperature resistant composite corrosionproof thermal insulating pipeline according to claim 6 is characterized in that described each number of plies amount is at least one deck, adopts the on-fixed mode to connect between each layer.
8. high temperature resistant composite corrosionproof thermal insulating pipeline according to claim 7 is characterized in that the high-temperature-resistant thermal-insulation layer is wrapped in outside the conveyance conduit.
9. high temperature resistant composite corrosionproof thermal insulating pipeline according to claim 7, the thickness that it is characterized in that described high-temperature-resistant thermal-insulation layer is 10～50 millimeters, the thickness of described inorganic material thermal insulation layer is 60～70 millimeters, and thermal insulation layer is that polyurethane foam plastics thermal insulation layer and thickness are 20～60 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520004697 CN2787966Y (en) | 2005-02-16 | 2005-02-16 | Thermostable composite anti-corrosion thermal insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520004697 CN2787966Y (en) | 2005-02-16 | 2005-02-16 | Thermostable composite anti-corrosion thermal insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2787966Y true CN2787966Y (en) | 2006-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520004697 Expired - Lifetime CN2787966Y (en) | 2005-02-16 | 2005-02-16 | Thermostable composite anti-corrosion thermal insulation pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN2787966Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419328C (en) * | 2006-10-30 | 2008-09-17 | 周清 | Heat reflective high temperature heat insulation pipe and its producing method |
| CN102493872A (en) * | 2011-11-28 | 2012-06-13 | 阿诺德绝缘材料技术（吴江）有限公司 | Method for fixing thermal insulation bag |
| CN103090122A (en) * | 2012-12-27 | 2013-05-08 | 唐兆连 | Seepage-proof socket anticorrosive pipe-jacking for subway tunnel |
| CN103234096A (en) * | 2013-05-28 | 2013-08-07 | 滁州晨润工贸有限公司 | Heat insulation plate and production method thereof |
| CN103264534A (en) * | 2013-05-28 | 2013-08-28 | 滁州晨润工贸有限公司 | Thermal-insulation transferring plate and manufacturing method thereof |
| CN103968161A (en) * | 2014-05-23 | 2014-08-06 | 张楠 | Rubber hose |
| CN104455775A (en) * | 2014-12-05 | 2015-03-25 | 广东省建筑工程集团有限公司 | Neutron radiation resistant radioactive area relating air pipe |
-
2005
- 2005-02-16 CN CN 200520004697 patent/CN2787966Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419328C (en) * | 2006-10-30 | 2008-09-17 | 周清 | Heat reflective high temperature heat insulation pipe and its producing method |
| CN102493872A (en) * | 2011-11-28 | 2012-06-13 | 阿诺德绝缘材料技术（吴江）有限公司 | Method for fixing thermal insulation bag |
| CN103090122A (en) * | 2012-12-27 | 2013-05-08 | 唐兆连 | Seepage-proof socket anticorrosive pipe-jacking for subway tunnel |
| CN103090122B (en) * | 2012-12-27 | 2015-07-08 | 柴孟江 | Seepage-proof socket anticorrosive pipe-jacking for subway tunnel |
| CN103234096A (en) * | 2013-05-28 | 2013-08-07 | 滁州晨润工贸有限公司 | Heat insulation plate and production method thereof |
| CN103264534A (en) * | 2013-05-28 | 2013-08-28 | 滁州晨润工贸有限公司 | Thermal-insulation transferring plate and manufacturing method thereof |
| CN103264534B (en) * | 2013-05-28 | 2015-09-02 | 滁州晨润工贸有限公司 | A kind of heat insulation transfer plate and preparation method |
| CN103234096B (en) * | 2013-05-28 | 2016-01-06 | 滁州晨润工贸有限公司 | A kind of thermal baffle and preparation method |
| CN103968161A (en) * | 2014-05-23 | 2014-08-06 | 张楠 | Rubber hose |
| CN104455775A (en) * | 2014-12-05 | 2015-03-25 | 广东省建筑工程集团有限公司 | Neutron radiation resistant radioactive area relating air pipe |
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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: 20150216 Granted publication date: 20060614 |