CN203273194U - Steel external protection thermal insulation pipeline - Google Patents
Steel external protection thermal insulation pipeline Download PDFInfo
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- CN203273194U CN203273194U CN 201320282178 CN201320282178U CN203273194U CN 203273194 U CN203273194 U CN 203273194U CN 201320282178 CN201320282178 CN 201320282178 CN 201320282178 U CN201320282178 U CN 201320282178U CN 203273194 U CN203273194 U CN 203273194U
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- side wall
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Abstract
A steel external protection thermal insulation pipeline sequentially comprises a working steel tube, a lantern ring, an insulating layer and a steel external protection sleeve from inside to outside. The lantern ring is fixedly connected with the working steel tube. A vacuum gap layer is arranged between the steel external protection sleeve and the insulating layer. The steel external protection thermal insulation pipeline further comprises a movable support, the inner end of the movable support is fastened on the outer side wall of the lantern ring, and the outer end of the movable support penetrates through the insulating layer and is arranged on the inner side wall of the steel external protection sleeve in a sliding mode. The insulating layer is an aerogel layer. The technical problem that in the prior art, thermal insulation material in a vacuum thermal insulation pipeline is high in heat conductivity coefficient and poor in hydrophobic nature is solved, and the steel external protection thermal insulation pipeline does not need frequent replacement of the thermal insulation material and is better in thermal insulation effect.
Description
Technical field
The utility model relates to a kind of insulation heating power feedway, and specifically a kind of steel protects thermo-insulating pipe line outward.
Background technique
Steel protects thermal insulation pipe outward and generally is used for city direct-burried heating system, above-mentioned steel protects thermal insulation pipe outward and usually adopts heat-preservation cotton to make thermal insulation layer, heat insulation effect and hydrophobicity are relatively poor, thereby adopt direct-buried heat insulation pipe road heat loss in thermal source is carried on the way of above-mentioned thermal insulation layer to damage greatly and easily.a kind of vacuum thermal-insulating pipeline is disclosed as Chinese patent CN2643136Y, it comprises outer steel pipe, fixed support, travel(l)ing rest, vacuum pump, vacuum pump is controlled electric cabinet and end envelope, outer steel pipe is sleeved on the outside of working steel tube, be fixed with several travel(l)ing rests on working steel tube, the fixed support two ends are connected on outer steel pipe and working steel tube, sleeve expansion joint is fixed on working steel tube, the end envelope is positioned at thermal source ingress and each outlet port, its outer circular edge and outer steel pipe are fixed, inner circle edge and working steel tube are fixed, FlexbleJoint is fixed on top and the end of the working steel tube of end envelope, heat-preservation cotton is filled between working steel tube and outer steel pipe, vacuum pump is connected with enclosed space between outer steel pipe and working steel tube, the vacuum pump of vacuum pump is controlled electric cabinet and is connected vacuum pump by cable.
In vacuum thermal-insulating pipeline described in above-mentioned patent documentation, the heat-preservation cotton of using is the glass wool material of prior art, because the thermal conductivity of glass wool is high, thereby easily makes the thermal loss of pipeline large; And poor, the easy damage of the hydrophobicity of glass wool, therefore often need to fill thicker glass wool and use as thermal insulation layer, increased taking up room and maintenance difficulties of pipeline.
The model utility content
Technical problem to be solved in the utility model is that the heat-preservation cotton of using in prior art is glass wool, and its thermal conductivity is high, hydrophobicity is poor, cause the thermal loss of pipeline large, take up room large, difficult in maintenance; And then propose that a kind of thermal insulation layer thermal conductivity is low, hydrophobicity good, the steel that need not frequently to change thermal insulation layer protects thermo-insulating pipe line outward.
For solving the problems of the technologies described above, a kind of steel of the present utility model protects thermo-insulating pipe line outward, comprises successively from inside to outside working steel tube, the collar, thermal insulation layer and steel oversheath pipe, and the described collar is fixedly connected with working steel tube; Be provided with the vacuum gap layer between described steel oversheath pipe and described thermal insulation layer;
Also comprise travel(l)ing rest, the inner of described travel(l)ing rest is fastened on the outer side wall of the described collar, the outer end penetrates on the madial wall that described thermal insulation layer slidably is arranged on described steel oversheath pipe;
Described thermal insulation layer is aerogel layer.
Described travel(l)ing rest is annular, and the madial wall of described travel(l)ing rest is fastened on the outer side wall of the described collar, outer side wall penetrates on the madial wall that described thermal insulation layer slidably is arranged on described steel oversheath pipe.
Be provided with roller on the outer end of described travel(l)ing rest or outer side wall, described travel(l)ing rest is slidably connected by the madial wall of described roller and described steel oversheath pipe.
Be provided with the first contact plate on the outer end of described travel(l)ing rest or outer side wall, correspondingly, be provided with the second contact plate on the madial wall of described steel oversheath pipe, described travel(l)ing rest is slidably connected by the madial wall of the relative movement between described the first contact plate and the second contact plate and described steel oversheath pipe.
Also be provided with anticorrosive coat on described steel oversheath pipe outer side wall.
Technique scheme of the present utility model has the following advantages compared to existing technology,
(1) protect thermo-insulating pipe line outside steel described in the utility model, described thermal insulation layer is aerogel layer, because the high temperature service life of aerogel layer is long, thereby the pipeline that is filled with aerogel layer and travel(l)ing rest is housed need not frequently to change thermal insulating material, easy to maintenance, needing in the prior art to have avoided often changing the problem of the maintenance inconvenience that thermal insulating material that steel protects thermo-insulating pipe line inside outward brings.
In addition, the thermal insulation property of described aerogel and hydrophobicity are better than conventional thermal insulating material, can effectively steel oversheath pipe and working steel tube be kept apart by aerogel layer, reduce heat transfer between the two, namely use thinner thickness also can satisfy the INSULATION DESIGN requirement, and further reduced diameter and the occupation area of outer pillar.
(2) protect thermo-insulating pipe line outside steel described in the utility model, be provided with roller on the outer end of described travel(l)ing rest or outer side wall, described travel(l)ing rest is slidably connected by the madial wall of described roller and described steel oversheath pipe.Roller on travel(l)ing rest can slide along the madial wall of steel oversheath pipe, can relatively move vertically thereby make between working steel tube and steel oversheath pipe.
(3) protect thermo-insulating pipe line outside steel described in the utility model, be provided with the first contact plate on the outer end of described travel(l)ing rest or outer side wall, correspondingly, be provided with the second contact plate on the madial wall of described steel oversheath pipe, described travel(l)ing rest is slidably connected by the madial wall of the relative movement between described the first contact plate and the second contact plate and described steel oversheath pipe.Motion mutually can occur in the second contact plate of the first contact plate of travel(l)ing rest and steel oversheath pipe madial wall, thereby an end of travel(l)ing rest can be slided in the second contact plate scope of steel oversheath pipe, thereby realize to relatively move vertically or radially between working steel tube and steel oversheath pipe.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model, wherein according to specific embodiment of the utility model also by reference to the accompanying drawings
Fig. 1 is the structural representation that the described steel of the embodiment of the present invention 1 protects thermo-insulating pipe line outward;
Fig. 2 is the structural representation that the described steel of the embodiment of the present invention 2 protects thermo-insulating pipe line outward;
Reference character in figure is:
The 1-working steel tube, 2-thermal insulation layer, 3-steel oversheath pipe, 4-travel(l)ing rest, 5-roller, 6-vacuum gap layer, 7-the first contact plate, 8-the second contact plate, the 9-collar.
Embodiment
Fig. 1 is that described in the present embodiment, steel protects thermo-insulating pipe line outward, comprise successively from inside to outside working steel tube 1, the collar 9, thermal insulation layer 2 and steel oversheath pipe 3, the described collar 9 is fixedly connected with working steel tube 1, the structure of the described collar 9 can be selected as required, in the present embodiment, the described collar 9 is formed by bolton by two semicircular snap rings; Be provided with vacuum gap layer 6 between described steel oversheath pipe 3 and described thermal insulation layer 2, also comprise travel(l)ing rest 4, the inner of described travel(l)ing rest 4 is fastened on the outer side wall of the described collar 9, the outer end penetrates on the madial wall that described thermal insulation layer 2 slidably is arranged on described steel oversheath pipe 3, in the present embodiment, described travel(l)ing rest 4 is annular, and the madial wall of described travel(l)ing rest 4 is fastened on the outer side wall of the described collar 9, outer side wall penetrates on the madial wall that described thermal insulation layer 2 slidably is arranged on described steel oversheath pipe 3; The setting position of described travel(l)ing rest 4 and quantity can be selected according to actual needs, and in the present embodiment, described travel(l)ing rest 4 protects the axially spaced-apart setting of thermo-insulating pipe line outside steel, and described travel(l)ing rest 4 is one; But the mode that the outer end of described travel(l)ing rest 4 relatively described steel oversheath pipe 3 madial walls slide can be used implementation arbitrarily of the prior art, in the present embodiment, be provided with three columniform rollers 5 along circumference on the outer side wall of annular travel(l)ing rest 4, described columniform axis is along the tangential setting of described steel oversheath pipe 3, described travel(l)ing rest 4 by described roller 5 along the endwisely slipping of steel oversheath pipe 3, thereby make working steel tube 1 and steel oversheath pipe 3 that relatively moving vertically occur.In above-described embodiment, also travel(l)ing rest 4 can be set to a plurality of independent support body that a week distributes outside working steel tube 1, the outer end of this support body is provided with roller 5, the inner is fixedly connected with the collar 9, and a plurality of travel(l)ing rests 4 drive working steel tubes 1 by roller 5 and move axially with respect to steel oversheath pipe 3.Described thermal insulation layer 2 is aerogel layer, because the high temperature service life of aerogel layer is long, thereby the pipeline that is filled with aerogel layer and travel(l)ing rest 4 is housed need not frequently to change thermal insulating material, easy to maintenance, the thermal insulation property of described aerogel and hydrophobicity are better than conventional thermal insulating material, can be effectively that steel oversheath pipe 3 and working steel tube 1 is heat insulation by aerogel layer, namely use thinner thickness also can satisfy the INSULATION DESIGN requirement, and further reduced diameter and the occupation area of outer pillar.
On the basis of the above, as interchangeable mode of execution, as shown in Figure 2, be provided with the first contact plate 7 on the outer side wall of described travel(l)ing rest 4, correspondingly, be provided with the second contact plate 8 on the madial wall of described steel oversheath pipe 3, described travel(l)ing rest 4 is slidably connected by the relative movement of 8 of described the first contact plate 7 and the second contact plates and the madial wall of described steel oversheath pipe 3, the quantity of described the first contact plate 7 and the second contact plate 8 can be selected according to actual needs, in the present embodiment, described the first contact plate 7 and the second contact plate 8 are respectively one.
Further, the present embodiment also is provided with anticorrosive coat (not marking in figure) on described steel oversheath pipe 3 outer side walls on the basis of above-described embodiment.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the invention.
Claims (5)
1. a steel protects thermo-insulating pipe line outward, comprises successively from inside to outside working steel tube (1), the collar (9), thermal insulation layer (2) and steel oversheath pipe (3), and the described collar (9) is fixedly connected with working steel tube (1); Be provided with vacuum gap layer (6) between described steel oversheath pipe (3) and described thermal insulation layer (2);
Also comprise travel(l)ing rest (4), the inner of described travel(l)ing rest (4) is fastened on the outer side wall of the described collar (9), the outer end penetrates on the madial wall that described thermal insulation layer (2) slidably is arranged on described steel oversheath pipe (3);
It is characterized in that, described thermal insulation layer (2) is aerogel layer.
2. steel protects thermo-insulating pipe line outward according to claim 1, it is characterized in that, described travel(l)ing rest (4) is annular, and the madial wall of described travel(l)ing rest (4) is fastened on the outer side wall of the described collar (9), outer side wall penetrates on the madial wall that described thermal insulation layer (2) slidably is arranged on described steel oversheath pipe (3).
3. described steel protects thermo-insulating pipe line outward according to claim 1 and 2, it is characterized in that, be provided with roller (5) on the outer end of described travel(l)ing rest (4) or outer side wall, described travel(l)ing rest (4) is slidably connected by the madial wall of described roller (5) with described steel oversheath pipe (3).
4. described steel protects thermo-insulating pipe line outward according to claim 1 and 2, it is characterized in that, be provided with the first contact plate (7) on the outer end of described travel(l)ing rest (4) or outer side wall, correspondingly, be provided with the second contact plate (8) on the madial wall of described steel oversheath pipe (3), described travel(l)ing rest (4) is slidably connected by the madial wall of the relative movement between described the first contact plate (7) and the second contact plate (8) and described steel oversheath pipe (3).
5. steel protects thermo-insulating pipe line outward according to claim 4, it is characterized in that, also is provided with anticorrosive coat on described steel oversheath pipe (3) outer side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320282178 CN203273194U (en) | 2013-05-22 | 2013-05-22 | Steel external protection thermal insulation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320282178 CN203273194U (en) | 2013-05-22 | 2013-05-22 | Steel external protection thermal insulation pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203273194U true CN203273194U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320282178 Expired - Lifetime CN203273194U (en) | 2013-05-22 | 2013-05-22 | Steel external protection thermal insulation pipeline |
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| Country | Link |
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| CN (1) | CN203273194U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217441A (en) * | 2015-10-08 | 2016-01-06 | 上海建工集团股份有限公司 | A kind of cable wire refractory protection and installation method thereof |
| US9890876B2 (en) | 2014-03-28 | 2018-02-13 | Joint Stock Company “Transneft Siberia” | Method for installing a stationary support in a planned position |
| US10077541B2 (en) | 2014-03-28 | 2018-09-18 | Public Joint Stock Company “Transneft” | Movable pipeline-support and support assembly thereof |
| US10240690B2 (en) | 2014-03-28 | 2019-03-26 | Public Joint Stock Company “Transneft” | Stationary pipeline support |
| CN112591595A (en) * | 2020-12-23 | 2021-04-02 | 上海建工集团股份有限公司 | Hoisting device for vertical smoke exhaust air pipe outside building structure |
-
2013
- 2013-05-22 CN CN 201320282178 patent/CN203273194U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9890876B2 (en) | 2014-03-28 | 2018-02-13 | Joint Stock Company “Transneft Siberia” | Method for installing a stationary support in a planned position |
| US10077541B2 (en) | 2014-03-28 | 2018-09-18 | Public Joint Stock Company “Transneft” | Movable pipeline-support and support assembly thereof |
| US10240690B2 (en) | 2014-03-28 | 2019-03-26 | Public Joint Stock Company “Transneft” | Stationary pipeline support |
| CN105217441A (en) * | 2015-10-08 | 2016-01-06 | 上海建工集团股份有限公司 | A kind of cable wire refractory protection and installation method thereof |
| CN112591595A (en) * | 2020-12-23 | 2021-04-02 | 上海建工集团股份有限公司 | Hoisting device for vertical smoke exhaust air pipe outside building structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
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| CX01 | Expiry of patent term |