CN203585591U - Waterproof direct burial thermal insulation pipe - Google Patents
Waterproof direct burial thermal insulation pipe Download PDFInfo
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- CN203585591U CN203585591U CN201320758767.1U CN201320758767U CN203585591U CN 203585591 U CN203585591 U CN 203585591U CN 201320758767 U CN201320758767 U CN 201320758767U CN 203585591 U CN203585591 U CN 203585591U
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- thermal insulation
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- insulation pipe
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Abstract
The utility model discloses a waterproof direct burial thermal insulation pipe comprising a thermal insulation pipe body A and a thermal insulation pipe body B. The thermal insulation pipe body A or the thermal insulation pipe body B is composed of a working steel pipe, a nano material thermal insulation layer, a calcium silicate thermal insulation layer, a polyurethane foamed layer, a glass fiber reinforced plastic composite layer, an air layer and an outer sleeve layer sequentially from inside to outside. The steel working layer extends out of the thermal insulation pipe body A or the thermal insulation pipe body B, the working steel pipe on the thermal insulation pipe body A and the working steel pipe on the thermal insulation pipe body B are connected through a connector when connected, and the connector comprises hoops, a high-temperature-resistant expanding band and a thermal insulation material. The thermal insulation material wraps the working steel pipe on the thermal insulation pipe body A and the working steel pipe on the thermal insulation pipe body B, the high-temperature-resistant expanding band warps the thermal insulation material, and the hoops fasten two edges of the high-temperature-resistant expanding band in the outer sleeve layer of the thermal insulation pipe body A and the outer sleeve layer of the thermal insulation pipe body B respectively. Thermal insulation effect is improved, and waterproof effect is strong.
Description
Technical field
The utility model relates to a kind of thermal insulation pipe, relates in particular to a kind of waterproof direct-buried insulated pipe.
Background technique
In prior art, this type of direct-buried insulated pipe is disclosed by following patent documentation.
Chinese utility model patent specification CN201320017275.7(2013 announced October 02) disclosed a kind of prefabricated direct-buried thermal insulation pipe, it is mainly to adopt existing inorganic insulating layer and organic heat-insulating layer to be incubated the medium in core pipe, and increased nanometer material thermal insulation layer outward at core pipe, multi-layer heat preserving greatly improves heat insulation effect, simultaneously, the space that has circulation of air, can there is not carbonization in polyurethane foaming layer, can not exert an influence to the greening at the prefabricated direct-buried thermal insulation pipe place of imbedding.
But the prefabricated direct-buried thermal insulation pipe of above-mentioned disclosure is being incubated medium (superheated vapor, saturated vapour, heat conduction wet goods) while carrying, its heat insulation effect and waterproof ability or Shortcomings.As frequent in south China area typhoon, Urban Waterlogging function is difficult to digestion, thereby causes direct-buried insulated pipe water inlet, and water is subject to become high pressure steam after High Temperature High Pressure in pipe, thermal insulating material is damaged and from any possible local ejection, cause whole section of engineering heat insulation effect greatly to reduce even and scrap.Therefore, this technology is exactly to develop on this basis and obtain practical application.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of waterproof direct-buried insulated pipe, medium is being incubated to while carrying the dissatisfactory defect of its heat insulation effect and waterproof ability to overcome in prior art direct-buried insulated pipe.
For achieving the above object, the utility model provides a kind of waterproof direct-buried insulated pipe, comprise thermal insulation pipe body A, thermal insulation pipe body B, described thermal insulation pipe body A or thermal insulation pipe body B are followed successively by working steel tube, nanometer material thermal insulation layer, calcium silicate heat-preserving layer, polyurethane foaming layer, glass fiber reinforced plastics composite material layer, air layer and outer sleeve layer from inside to outside; Described working steel tube stretches out in described thermal insulation pipe body A or thermal insulation pipe body B, working steel tube on described thermal insulation pipe body A is connected by described connection set when working steel tube on described thermal insulation pipe body B is connected, and described connection set comprises anchor ear, high temperature resistant flexible band, thermal insulating material; Described thermal insulating material wraps up the working steel tube on the working steel tube on described thermal insulation pipe body A and thermal insulation pipe body B, described high temperature resistant flexible band wraps up described thermal insulating material, and described anchor ear is anchored on respectively the outer sleeve layer of described thermal insulation pipe body A, in the outer sleeve layer of thermal insulation pipe body B by the both sides of described high temperature resistant flexible band.
Wherein, described high temperature resistant flexible band is polyurethane telescopic tube, heatproof frpf polyamide fibre adhesive plaster or spandex adhesive plaster.
Wherein, described thermal insulating material is centrifugally glass-wool, alumina silicate shell, the cotton felt of nanoporous aerogel or hard polyurethane foam.
Wherein, on described outer sleeve layer, scribble anticorrosive coat.
Wherein, described nanometer material thermal insulation layer is aerosil felt.
Compared with prior art, the beneficial effects of the utility model are raisings that not only heat insulation effect has obtained, and have an extremely strong waterproofing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model waterproof direct-buried insulated pipe;
Fig. 2 is the sectional structure schematic diagram of the utility model thermal insulation pipe body.
In accompanying drawing: 1, thermal insulation pipe body A, 2, thermal insulation pipe body B, 3, working steel tube, 4, nanometer material thermal insulation layer, 5, calcium silicate heat-preserving layer, 6, polyurethane foaming layer, 7, glass fiber reinforced plastics composite material layer, 8, air layer, 9, outer sleeve layer, 10, connection set, 11, anchor ear, 12, high temperature resistant flexible band, 13, thermal insulating material, 14, anticorrosive coat.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
A kind of waterproof direct-buried insulated pipe of the present utility model is as Fig. 1, shown in 2, comprise thermal insulation pipe body A1, thermal insulation pipe body B2, described thermal insulation pipe body A1 or thermal insulation pipe body B2 are followed successively by working steel tube 3 from inside to outside, nanometer material thermal insulation layer 4, calcium silicate heat-preserving layer 5(calcium silicate is a kind of white, the heat insulating material of hard, there is unit weight light, intensity is high, thermal conductivity is little, high temperature resistant, corrosion-resistant, can cut, the features such as energy saw), the so-called polyurethane foam of polyurethane foaming layer 6(is a kind of novel synthetic material with insulation and water-proof function, its thermal conductivity is low, 0.022～0.024W/(m Κ only), be equivalent to half of extruded sheet, that in current all thermal insulating materials, thermal conductivity is minimum, therefore possesses good heat insulation effect), glass fiber reinforced plastics composite material layer 7, air layer 8 and outer sleeve layer 9, described working steel tube 3 stretches out in described thermal insulation pipe body A1 or thermal insulation pipe body B2, working steel tube on described thermal insulation pipe body A1 is connected by described connection set 10 when working steel tube on described thermal insulation pipe body B2 is connected, and described connection set 10 comprises anchor ear 11, high temperature resistant flexible band 12, thermal insulating material 13, described thermal insulating material 13 wraps up the working steel tube on the working steel tube on described thermal insulation pipe body A1 and thermal insulation pipe body B2,12 pairs of described thermal insulating materials 13 of described high temperature resistant flexible band wrap up, and described anchor ear 11 is anchored on respectively the outer sleeve layer of described thermal insulation pipe body A1, in the outer sleeve layer of thermal insulation pipe body B2 by the both sides of described high temperature resistant flexible band 12.
Above-mentioned high temperature resistant flexible band 12 is the polyurethane telescopic tube polyurethane telescopic tube of stainless steel telescopic cover, inner liner metal spring (with), heatproof frpf polyamide fibre adhesive plaster or spandex adhesive plaster.
Above-mentioned thermal insulating material 13 is centrifugally glass-wool, alumina silicate shell, the cotton felt of nanoporous aerogel or hard polyurethane foam, certainly, can be also one or more mixtures in centrifugally glass-wool, alumina silicate shell, the cotton felt of nanoporous aerogel, hard polyurethane foam.
On above-mentioned outer sleeve layer 9, scribble anticorrosive coat 14, outer sleeve layer described in the utility model can adopt steel pipe or plastic tube according to actual needs, for example, at high water level or the abundant area of surface water, must adopt steel pipe, tube material performance and tolerance dimension should meet concerned countries or industry standard, and outer surface of steel tube is done polishing rust-removal and processed; And can adopt high-density polyethylene plastics, glass fiber reinforced plastic etc. for plastic tube.
Above-mentioned nanometer material thermal insulation layer 4 is aerosil felt, and it is the minimum material of thermal conductivity in solid known today, high temperature resistant, lightweight, have features such as ductility is good, easy to operate, environmental protection.
The raising that the utility model heat insulation effect has obtained, and there is extremely strong waterproofing effect, and have the space of circulation of air, can there is not carbonization in polyurethane foaming layer, can not exert an influence to the greening at the prefabricated direct-buried thermal insulation pipe place of imbedding.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a waterproof direct-buried insulated pipe, it is characterized in that: comprise thermal insulation pipe body A, thermal insulation pipe body B, described thermal insulation pipe body A or thermal insulation pipe body B are followed successively by working steel tube, nanometer material thermal insulation layer, calcium silicate heat-preserving layer, polyurethane foaming layer, glass fiber reinforced plastics composite material layer, air layer and outer sleeve layer from inside to outside; Described working steel tube stretches out in described thermal insulation pipe body A or thermal insulation pipe body B, working steel tube on described thermal insulation pipe body A is connected by described connection set when working steel tube on described thermal insulation pipe body B is connected, and described connection set comprises anchor ear, high temperature resistant flexible band, thermal insulating material; Described thermal insulating material wraps up the working steel tube on the working steel tube on described thermal insulation pipe body A and thermal insulation pipe body B, described high temperature resistant flexible band wraps up described thermal insulating material, and described anchor ear is anchored on respectively the outer sleeve layer of described thermal insulation pipe body A, in the outer sleeve layer of thermal insulation pipe body B by the both sides of described high temperature resistant flexible band.
2. waterproof direct-buried insulated pipe according to claim 1, is characterized in that: described high temperature resistant flexible band is polyurethane telescopic tube, heatproof frpf polyamide fibre adhesive plaster or spandex adhesive plaster.
3. waterproof direct-buried insulated pipe according to claim 1, is characterized in that: described thermal insulating material is centrifugally glass-wool, alumina silicate shell, the cotton felt of nanoporous aerogel or hard polyurethane foam.
4. according to the waterproof direct-buried insulated pipe described in any one in claims 1 to 3, it is characterized in that: on described outer sleeve layer, scribble anticorrosive coat.
5. waterproof direct-buried insulated pipe according to claim 1, is characterized in that: described nanometer material thermal insulation layer is aerosil felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758767.1U CN203585591U (en) | 2013-11-25 | 2013-11-25 | Waterproof direct burial thermal insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758767.1U CN203585591U (en) | 2013-11-25 | 2013-11-25 | Waterproof direct burial thermal insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585591U true CN203585591U (en) | 2014-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320758767.1U Expired - Fee Related CN203585591U (en) | 2013-11-25 | 2013-11-25 | Waterproof direct burial thermal insulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585591U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075075A (en) * | 2014-07-21 | 2014-10-01 | 李彩云 | Heat preservation pipe |
| CN107781581A (en) * | 2017-10-23 | 2018-03-09 | 中投（天津）热力股份有限公司 | A kind of heat tracing of novel anti-abrasion is heat preservation pipe prefabricated |
| CN109084096A (en) * | 2018-09-06 | 2018-12-25 | 上海美桥科材料科技有限公司 | Pipe fitting and tube assembly |
| CN111271523A (en) * | 2020-01-19 | 2020-06-12 | 山东大城防腐保温安装工程有限公司 | Can reduce waterproof type insulating tube of heat loss |
-
2013
- 2013-11-25 CN CN201320758767.1U patent/CN203585591U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075075A (en) * | 2014-07-21 | 2014-10-01 | 李彩云 | Heat preservation pipe |
| CN104075075B (en) * | 2014-07-21 | 2016-08-31 | 苑贵全 | A kind of insulating tube |
| CN107781581A (en) * | 2017-10-23 | 2018-03-09 | 中投（天津）热力股份有限公司 | A kind of heat tracing of novel anti-abrasion is heat preservation pipe prefabricated |
| CN109084096A (en) * | 2018-09-06 | 2018-12-25 | 上海美桥科材料科技有限公司 | Pipe fitting and tube assembly |
| CN109084096B (en) * | 2018-09-06 | 2020-11-03 | 上海美桥科材料科技有限公司 | Pipe fitting and pipe assembly |
| CN111271523A (en) * | 2020-01-19 | 2020-06-12 | 山东大城防腐保温安装工程有限公司 | Can reduce waterproof type insulating tube of heat loss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20141125 |
|
| EXPY | Termination of patent right or utility model |