CN203857202U - Internal guide reflective insulation directly-buried prefabricated heat preservation steam pipe with supports - Google Patents
Internal guide reflective insulation directly-buried prefabricated heat preservation steam pipe with supports Download PDFInfo
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- CN203857202U CN203857202U CN201420188570.3U CN201420188570U CN203857202U CN 203857202 U CN203857202 U CN 203857202U CN 201420188570 U CN201420188570 U CN 201420188570U CN 203857202 U CN203857202 U CN 203857202U
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- guiding
- guiding trestle
- external protective
- steel tube
- support
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Abstract
The utility model relates to an internal guide reflective insulation directly-buried prefabricated heat preservation steam pipe with supports. The heat preservation steam pipe comprises an operation steel pipe, rolling internal guide supports, a reflection and air layer heat insulation structure and an external protective steel pipe with an external protective layer, wherein the rolling internal guide supports are arranged on two ends of the operation steel pipe in a sleeving manner; the reflection and air layer heat insulation structure is arranged on the operation steel pipe in a sleeving manner; the external protective steel pipe is arranged on the outermost layer in a sleeving manner. The method for manufacturing the heat preservation steam pipe comprises the following steps: 1) manufacturing the rolling internal guide supports; 2) penetrating and sleeving the supports on the operation steel pipe; 3) installing a first layer of galvanized steel mesh and cladding smooth aluminum plates; 4) installing each layer of the smooth aluminum plates; 5) manufacturing the external protective layer for the external protective steel pipe; 6) penetrating and sleeving the supports and the external protective steel pipe; 7) installing transportation locating rings. Compared with the prior art, the heat preservation steam pipe has the beneficial effects that a support internal guide structure is provided and multiple layers of reflective materials and air layers are adopted to realize heat insulation and heat preservation, the heat insulation efficiency is high, the construction difficulty is low, and the performance degradation caused by damp or water leaching to heat preservation layers is avoided.
Description
Technical field
The utility model relates to the direct-burried prefabricated thermal insulation steam line that working medium is steam, and relating in particular to one has guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support.
Background technique
At present, in engineering, direct-burried prefabricated thermal insulation steam tube used is most for adopting calcium silicate watt, centrifugally glass-wool, rock wool or aluminium silicate wool to carry out " steel sleeve steel " pipe of insulation, the thermal conductivity of the thermal-protective material that the insulating steam pipe of tradition " steel sleeve steel " structure adopts under Operational Limits condition is all larger, cause pipe insulation thickness larger, product cost is higher, is unfavorable for large-scale engineering application.And the thermal insulating material of " steel sleeve steel " steam insulation pipe of conventional construction can be lost thermal insulation property and cannot keep in repair after long-time steam boiling, replacement cost is very high.
Application number is that 200820018739.5 Chinese patent (applying date is on March 6th, 2008) discloses " a kind of composite heat preservation structure of prefabricated direct-buried steam pipeline, it is characterized in that, comprise and be positioned at the working steel tube of internal layer and be positioned at outer field external glass fibre reinforced plastics pipe, between described working steel tube and external glass fibre reinforced plastics pipe, be disposed with from the inside to the outside inorganic insulating layer, air layer, middle Steel Sleeve and organic heat-insulating layer, the heat-insulating bracket being evenly arranged along working steel tube axis is installed in inorganic insulating layer, " its thermal insulation layer adopts is exactly traditional insulation mode, and its heat-insulating bracket adopts outer slide-and-guide support, be in operation, this guidance mode can cause thermal insulation layer that canceller position is installed is compressed, cause partial insulation material vacancy, affect the thermal insulation property at this place, cause hull-skin temperature too high and then cause external protective steel tube protective coating impaired, the conduit running life-span receives and has a strong impact on.
Adopt the heat insulation mode of reflecting material and air layer combination, adopt the steam tube structure mode of high temperature resistant heat insulation material than tradition, its heat-insulating efficiency is higher, difficulty of construction is lower, do not exist thermal insulation layer to make moist or water logging causes the problem of hydraulic performance decline, move more stablely, expected life is longer, the lower outside steel pipe sizes of protecting of same design condition is less, and product cost further reduces.
Summary of the invention
The utility model overcomes provides one to have guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, there is the interior guide structure of support and adopt reflection multilayer material and air layer to realize the mode of heat-insulation and heat-preservation, heat-insulating efficiency is high, difficulty of construction is low, can not make moist or water logging causes hydraulic performance decline because of thermal insulation layer.
In order to achieve the above object, the utility model is realized by the following technical solutions;
There is guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, comprise guiding trestle, reflection and Heat Insulation of Air Layer structure in working steel tube, rolling type and be provided with the external protective steel tube of external protection coating, in described rolling type, guiding trestle is sleeved on the two ends of working steel tube, reflection and Heat Insulation of Air Layer structure are sleeved on outside working steel tube, and external protective steel tube is sleeved on outermost surface.
In described rolling type, guiding trestle is made up of ring, guiding trestle rolling assembly, guiding trestle bearing rib and guiding trestle outer shroud in guiding trestle, and the guiding trestle bearing rib of described interior guiding trestle is uniformly distributed along the circumference and is welded and fixed with the internal surface of external protective steel tube.
The end face of described guiding trestle outer shroud and the exterior edge face of external protective steel tube are positioned at same plane, and in guiding trestle, the exterior edge face of ring exceeds external protective steel tube end face 80-120mm.
Gap between each gap in described interior guiding support structure and guiding trestle outer shroud and external protective steel tube internal surface all adopts aerogel filled thermal insulation materials.
Described reflection and Heat Insulation of Air Layer structure are made up of cork lattice pad, zinc-plated steel mesh and light face aluminium sheet, and it is fixing that light face aluminium sheet and cork lattice pad adopt stainless steel screw to be uniformly distributed along the circumference, and first floor cork lattice pad and zinc-plated steel mesh are fixed.
Described light face aluminium sheet also can reflect cloth by fiberglass aluminum foil and substitute.
Described cork lattice pad also can be substituted by aluminum or stainless steel honeycomb, and the thickness of honeycomb should meet the requirement of air layer gap.
Described external protection coating can adopt SPUA, 3PE, melting epoxy powder, machinery to be wound around glass fibre to strengthen the anti-corrosion material that thermosetting resin and other meet the anticorrosion specification of buried metal pipeline.
In described rolling type, the working steel tube two ends in guiding trestle outside are provided with transport positioning ring.
Compared with prior art, the beneficial effects of the utility model are:
1) the heat insulation mode of employing reflecting material and air layer combination, than the steam tube structure mode of tradition employing high temperature resistant heat insulation material, its heat-insulating efficiency is higher, and difficulty of construction is lower;
2) do not exist thermal insulation layer to make moist or water logging causes the problem of hydraulic performance decline, move more stablely, expected life is longer;
3) simple in structure, easy to make, the lower outside steel pipe sizes of protecting of same design condition is less, can make product cost further reduce.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1. working steel tube 2. transports zinc-plated steel mesh 10/11/12/13/14. light face aluminium sheet 15. external protective steel tube 16. external protection coatings of ring 4. guiding trestle rolling assembly 5. guiding trestle bearing rib 6. guiding trestle outer shroud 7. aerogel thermal insulating material 8. cork lattice pad 9. in positioning ring 3. guiding trestles
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
See Fig. 1, it is structural representation of the present utility model, the utility model has guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, comprise guiding trestle, reflection and Heat Insulation of Air Layer structure in working steel tube 1, rolling type and be provided with the external protective steel tube 15 of external protection coating 16, in described rolling type, guiding trestle is sleeved on the two ends of working steel tube 1, reflection and Heat Insulation of Air Layer structure are sleeved on outside working steel tube 1, and external protective steel tube 15 is sleeved on outermost surface.
In described rolling type guiding trestle by encircling 3 in guiding trestle, guiding trestle rolling assembly 4, guiding trestle bearing rib 5 and guiding trestle outer shroud 6 form, the guiding trestle bearing rib 5 of described interior guiding trestle is uniformly distributed along the circumference and is welded and fixed with the internal surface of external protective steel tube 15.
The exterior edge face of the end face of described guiding trestle outer shroud 6 and external protective steel tube 15 is positioned at same plane, and in guiding trestle, the exterior edge face of ring 3 exceeds external protective steel tube 15 end face 80-120mm.
Gap between each gap in described interior guiding support structure and guiding trestle outer shroud 6 and external protective steel tube 15 internal surfaces all adopts aerogel thermal insulating material 7 to fill.
Described reflection and Heat Insulation of Air Layer structure are made up of cork lattice pad 8, zinc-plated steel mesh 9 and light face aluminium sheet 10/11/12/13/14, it is fixing that light face aluminium sheet 10/11/12/13/14 and cork lattice pad 8 adopt stainless steel screw to be uniformly distributed along the circumference, and first floor cork lattice pad 8 is fixing with zinc-plated steel mesh 9.
Described light face aluminium sheet 10/11/12/13/14 also can reflect cloth by fiberglass aluminum foil and substitute.
Described cork lattice pad 8 also can be substituted by aluminum or stainless steel honeycomb, and the thickness of honeycomb should meet the requirement of air layer gap.
Described external protection coating 16 can adopt SPUA, 3PE, melting epoxy powder, machinery to be wound around glass fibre to strengthen the anti-corrosion material that thermosetting resin and other meet the anticorrosion specification of buried metal pipeline.
In described rolling type, working steel tube 1 two ends in guiding trestle outside are provided with transport positioning ring 2.
The utility model has guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, and working steel tube 1 external protective steel tube 15 is determined relative position by the guiding trestle that is arranged on pipe ends, and the roller of guiding trestle and working steel tube 1 touch.Zinc-plated steel mesh 9 has been determined the thickness of first floor air layer, and zinc-plated steel mesh 9 faces are first floor light face aluminium sheets 10, and the gap between every layer of light face aluminium sheet is determined by ring-like cork lattice pad 8.Light face aluminium sheet 10/11/12/13/14 is reflective surface towards the one side of working steel tube 1, backside coating black high temp resistance paint vehicle.
Guiding trestle is for determining the gap between working steel tube 1 and external protective steel tube 15 and realizing the working steel tube 1 thermal expansion guide function that is in operation in rolling type; external protective steel tube 15 is for bearing external load; external protection coating 16 avoids underground environment corrosion for the protection of external protective steel tube 15, and transport positioning ring 2 is deviate from transportation process working steel tube 1 for preventing.
In the utility model, the number of plies of light face aluminium sheet is determined according to design and operation parameter and enviromental parameter.Steam medium for running temperature lower than 200 ° of C, light face aluminium sheet also can replace with fiberglass aluminum foil reflection cloth as required and zinc-plated steel mesh supports.
As further improvement of the utility model, can need to be being connected in formed pipe-line system with the prefabricated thermal insulation pipe fitting with same structure feature by the utility model insulating steam pipe according to design, increase to vacuumize interface and connect vaccum-pumping equipment in when operation and segmentation is carried out in the space between working steel tube 1 and external protective steel tube 15 vacuumize, be conducive to further reduce pipeline heat loss.
Between the utility model insulating steam pipe and with the connection part repaired mouth of other pipe fittings, piping attachment, adopt the heat insulation mode identical with the utility model, the lattice cushion material between light face aluminium sheet can adopt cork or honeycomb.
When work, working steel tube 1 expanded by heating is also realized Axial Thermal displacement under guiding trestle rolling assembly 4 constraint of guiding trestle in rolling type.
The utility model has the manufacture method of guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support as follows:
1) by encircling 3 in guiding trestle, guiding trestle rolling assembly 4, guiding trestle bearing rib 5, guiding trestle outer shroud 6 assembly weldings connect and compose guiding trestle in rolling type; Each gap in interior guiding support structure adopts aerogel filled thermal insulation materials;
2) guiding trestle in 2 rolling types is set on working steel tube 1, working steel tube 1 is placed on assembling roller tire, roller fetal position is positioned at working steel tube 1 two ends, and zinc-plated steel mesh 9 is sleeved on outside working steel tube 1, and in guiding trestle, encircles end face and is welded and fixed;
3) the coated light face aluminium sheet 10 in zinc-plated steel mesh 9 outsides, scribbles outside the facing of black paint vehicle, and is fixed with aluminum rivet;
4) after first floor light face aluminium sheet 10 installations of whole pipeline, first floor cork lattice pad 8 is installed, then second layer light face aluminium sheet 11 is installed outside cork lattice pad 8 again, apply the surface of black paint vehicle outwardly, respectively each section of aluminium sheet 11 and cork lattice pad 8 use stainless steel screws are fixed, cork lattice pad 8 and the light face aluminium sheet of other layers are installed according to identical method, until all aluminium sheet installs, the number of plies of light face aluminium sheet is determined according to design and operation parameter and enviromental parameter;
5) by external protective steel tube 15 outer surfaces through sandblast or Shot Blasting, after cleaning, make in its surface external protection coating 16;
6) in rolling type, interim poling support is installed in the outside of guiding trestle, by step 5) assembly that completes wears in the external protective steel tube 15 of making external protection coating 16, gap between guiding trestle outer shroud 6 and external protective steel tube 15 internal surfaces adopts aerogel thermal insulating material 7 to fill, and guiding trestle bearing rib 5 and external protective steel tube 15 internal surfaces are welded and fixed;
7) in rolling type, on the working steel tube 1 in guiding trestle outside, install and fastening transport positioning ring 2, two ends are respectively installed one.
Claims (8)
1. there is guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, it is characterized in that, comprise guiding trestle, reflection and Heat Insulation of Air Layer structure in working steel tube, rolling type and be provided with the external protective steel tube of external protection coating, in described rolling type, guiding trestle is sleeved on the two ends of working steel tube, reflection and Heat Insulation of Air Layer structure are sleeved on outside working steel tube, and external protective steel tube is sleeved on outermost surface; Described reflection and Heat Insulation of Air Layer structure are made up of cork lattice pad, zinc-plated steel mesh and light face aluminium sheet, and it is fixing that light face aluminium sheet and cork lattice pad adopt stainless steel screw to be uniformly distributed along the circumference, and first floor cork lattice pad and zinc-plated steel mesh are fixed.
2. according to claim 1 have a guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, it is characterized in that, in described rolling type, guiding trestle is made up of ring, guiding trestle rolling assembly, guiding trestle bearing rib and guiding trestle outer shroud in guiding trestle, and the guiding trestle bearing rib of described interior guiding trestle is uniformly distributed along the circumference and is welded and fixed with the internal surface of external protective steel tube.
3. according to claim 2 have a guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, it is characterized in that, the end face of described guiding trestle outer shroud and the exterior edge face of external protective steel tube are positioned at same plane, and in guiding trestle, the exterior edge face of ring exceeds external protective steel tube end face 80-120mm.
4. according to the reflective insulation direct-burried prefabricated thermal insulation steam tube that leads in support of having described in claim 2 or 3, it is characterized in that, the gap between the each gap in described interior guiding support structure and guiding trestle outer shroud and external protective steel tube internal surface all adopts aerogel filled thermal insulation materials.
5. according to claim 1 have a guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, it is characterized in that, described light face aluminium sheet is substituted by fiberglass aluminum foil reflection cloth.
6. according to claim 1 have a guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, it is characterized in that, described cork lattice pad is substituted by aluminum or stainless steel honeycomb, and the thickness of honeycomb should meet the requirement of air layer gap.
7. according to claim 1 have a guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, it is characterized in that, described external protection coating is that SPUA, 3PE, melting epoxy powder, machinery are wound around glass fibre and strengthen the one in thermosetting resin.
8. according to claim 1 have a guiding reflective insulation direct-burried prefabricated thermal insulation steam tube in support, it is characterized in that, in described rolling type, the working steel tube two ends in guiding trestle outside are provided with transport positioning ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188570.3U CN203857202U (en) | 2014-04-18 | 2014-04-18 | Internal guide reflective insulation directly-buried prefabricated heat preservation steam pipe with supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188570.3U CN203857202U (en) | 2014-04-18 | 2014-04-18 | Internal guide reflective insulation directly-buried prefabricated heat preservation steam pipe with supports |
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| Publication Number | Publication Date |
|---|---|
| CN203857202U true CN203857202U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420188570.3U Expired - Fee Related CN203857202U (en) | 2014-04-18 | 2014-04-18 | Internal guide reflective insulation directly-buried prefabricated heat preservation steam pipe with supports |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912763A (en) * | 2014-04-18 | 2014-07-09 | 辽宁久大管业有限公司 | Reflection heat insulation based straightly-buried prefabricated heat-insulating steam tube with internal guide supports and production method of reflection heat insulation based straightly-buried prefabricated heat-insulating steam tube |
| CN107178682A (en) * | 2017-07-19 | 2017-09-19 | 赵俊芳 | Adiabatic composite construction of a kind of antiradiation and preparation method thereof |
-
2014
- 2014-04-18 CN CN201420188570.3U patent/CN203857202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912763A (en) * | 2014-04-18 | 2014-07-09 | 辽宁久大管业有限公司 | Reflection heat insulation based straightly-buried prefabricated heat-insulating steam tube with internal guide supports and production method of reflection heat insulation based straightly-buried prefabricated heat-insulating steam tube |
| CN103912763B (en) * | 2014-04-18 | 2016-03-02 | 辽宁久大管业有限公司 | There are guiding reflective insulation direct-burried prefabricated thermal insulation steam tube and manufacture method thereof in support |
| CN107178682A (en) * | 2017-07-19 | 2017-09-19 | 赵俊芳 | Adiabatic composite construction of a kind of antiradiation and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 |