CN208565960U - High-efficiency insulated direct-burried composite steam pipe - Google Patents
High-efficiency insulated direct-burried composite steam pipe Download PDFInfo
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- CN208565960U CN208565960U CN201821188323.8U CN201821188323U CN208565960U CN 208565960 U CN208565960 U CN 208565960U CN 201821188323 U CN201821188323 U CN 201821188323U CN 208565960 U CN208565960 U CN 208565960U
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Abstract
The utility model discloses high-efficiency insulated direct-burried composite steam pipes, including inner tube, middle pipe and outer tube, the outer wall of said inner tube is evenly distributed with interior pipe holder, interval inside pipe wall is fixedly mounted in the outer rim of said inner tube bracket, the interval pipe outer wall is evenly distributed with interval pipe holder, the outer rim of the interval pipe holder is slidably installed outer tube wall, and hydrophobic pearlite layer is filled between said inner tube and middle pipe, and aeroge filled layer is filled between the middle pipe and outer tube；Original polyurethane insulation coating is replaced by using aeroge filled layer, thermal insulation property is being increased by aeroge filled layer, and the polyurethane that compares has better mechanical performance, while specific gravity is lighter；By the separate support structure of interior tube stent and the sister block structure of interval cylinder, the heated extension problem of problem of stress concentration and inner cylinder caused by single-sheaved block is improved.
Description
Technical field
The utility model relates to heating tube field, specifically high-efficiency insulated direct-burried composite steam pipe.
Background technique
Direct-burried composite steam pipe is a kind of common city function system pipeline, is set for floor heating heating system instantly
The multiple tube of meter, however existing composite heat-insulating layer construction interior is that inorganic heat insulation material generally uses microporous calcium silicate, or hates
Water type perlite products, outer layer use polyurethane foam protective layer, and the mechanical wear of general direct-buried pipe, pulverizing problem are serious, close
Envelope, waterproof, anti-permeability performance are poor, and service life is short, thus it is proposed that high-efficiency insulated direct-burried composite steam pipe.
Utility model content
In view of the deficiencies of the prior art, the purpose of the utility model is to provide high-efficiency insulated direct-burried composite steam pipes, with solution
The problem of certainly being referred in background technique.
The technical scheme adopted by the utility model to solve the technical problem is as follows: high-efficiency insulated direct-burried composite steam pipe, packet
Inner tube, middle pipe and outer tube are included, the outer wall of said inner tube is evenly distributed with interior pipe holder, the fixed peace of the outer rim of said inner tube bracket
Interval inside pipe wall is filled, the interval pipe outer wall is evenly distributed with interval pipe holder, and the outer rim of the interval pipe holder is slidably installed
Outer tube wall is filled with hydrophobic pearlite layer between said inner tube and middle pipe, gas is filled between the middle pipe and outer tube
Gel-filled layer.
Further, said inner tube includes interior tube body, and the inner wall of said inner tube body, which is passivated, passivation layer, outside said inner tube body
Wall is coated with antiseptic oil paint layer.
Further, said inner tube bracket includes outer ring, stiffness spring and inner ring, and the inner ring divides equally eight equal portions, and every etc.
The wall of the inner ring of part is clamped there are two stiffness spring, and the outer end of the stiffness spring clamps the inner wall of outer ring.
Further, the interval pipe holder includes Fixing shrink ring, and the Fixing shrink ring divides equally upper half ring and lower semi-ring, described
Fixing shrink ring periphery is evenly distributed with wheel carrier, and the front and rear end of the outer rim of the wheel carrier is rotatably equipped with idler wheel, upper half ring
The both ends of Fixing shrink ring described in the both ends of the Fixing shrink ring and lower semi-ring are integrally formed with fixed ear pawl, and ipsilateral two
The fixed ear pawl is fixedly mounted.
Further, the outer tube includes outer tube body, and the outer tube external surface is coated with dubbin paint layer, the outer tube body
Inner wall is closely fitted with antifriction layer.
Further, said inner tube bracket and the equidistant arrangement of interval pipe holder dislocation.
The beneficial effects of the utility model are:
1. replacing original polyurethane insulation coating by using aeroge filled layer, increased by aeroge filled layer
Thermal insulation property, but the polyurethane that compares is with better mechanical performance, while specific gravity is lighter.
2. by the separate support structure of interior tube stent and the sister block structure of interval cylinder, caused by improving single-sheaved block
Problem of stress concentration and the heated extension problem of inner cylinder.
Detailed description of the invention
Fig. 1 is the utility model main cross section structure diagram；
Fig. 2 is the utility model inner tube structure schematic diagram；
Fig. 3 is the utility model inner tube supporting structure schematic diagram；
Fig. 4 is the utility model interval pipe holder structural schematic diagram；
Fig. 5 is the utility model outer tube structure schematic diagram.
Description of symbols: 1, inner tube, 11, interior tube body, 12, passivation layer, 13, antiseptic oil paint layer, 2, interior pipe holder, 21,
Outer ring, 22, stiffness spring, 23, inner ring, 3, middle pipe, 41, Fixing shrink ring, 42, wheel carrier, 43, idler wheel, 44, fixed ear pawl, 4,
Interval pipe holder, 5, outer tube, 51, outer tube body, 52, dubbin paint layer, 53, wearing layer, 6, aeroge filled layer, 7, hydrophobic pearl
Rock stratum.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments, it should be appreciated that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms also fall within application
The appended claims limited range.
It is the utility model structure diagram referring to Fig. 1-5, high-efficiency insulated direct-burried composite steam pipe, including inner tube 1, interval
Pipe 3 and outer tube 5 are the main tube structure of the utility model, and the outer wall of said inner tube 1 is evenly distributed with interior pipe holder 2, internally
Support is fixed in pipe 1, and 3 inner wall of pipe in the outer rim fixed installation of said inner tube bracket 2 realizes effective fixed installation, institute
It states middle 3 outer wall of pipe and is evenly distributed with interval pipe holder 4, installation installation, the interval pipe holder 4 is fixed in centering pipe 3
Outer rim be slidably installed 5 inner wall of outer tube, realize it is effective be fixedly mounted, it is precious filled with hydrophobic between said inner tube 1 and middle pipe 3
Pearl rock stratum 7, that is, increase heat insulation effect, reduces steam in interior retention time, avoids corroding, the middle pipe 3 and outer tube 5
Between be filled with aeroge filled layer 6, further promote thermal insulation property.
Specifically, said inner tube 1 includes interior tube body 11, it is the main structure of inner tube pipe 11, the inner wall of said inner tube body 1
Passivation has passivation layer 12, carries out corrosion and passivation by strong acid, increases the resistance to corrosion of interior tube body 11, said inner tube body 11 it is outer
Wall is coated with antiseptic oil paint layer 13, carries out anti-corrosion protection to the outer wall of interior tube body 11.
Specifically, said inner tube bracket 2 includes outer ring 21, stiffness spring 22 and inner ring 23, it is the main of interior pipe holder 2
Structure is constituted, the inner ring 23 divides equally eight equal portions, and the outer wall of the inner ring 23 of every equal portions is clamped there are two stiffness spring 22, real
Offset variable absorption effectively now is carried out to the sliding of inner ring 23, the outer end of the stiffness spring 22 clamps the inner wall of outer ring 21,
Realize that effective be fixedly mounted is combined.
Specifically, the interval pipe holder 4 includes Fixing shrink ring 41, it is the basic mounting structure of interval pipe holder 4, institute
It states Fixing shrink ring 41 and divides equally upper half ring and lower semi-ring, facilitate and installed and assembled, 41 periphery of Fixing shrink ring is uniformly distributed
There is wheel carrier 42, provides installation foundation for idler wheel 42, the front and rear end of the outer rim of the wheel carrier 42 is rotatably equipped with idler wheel 43,
Length variable quantity by rolling centering pipe 3 is adjusted, the both ends of Fixing shrink ring 41 described in upper half ring and lower semi-ring institute
Integrally formed with fixed ear pawl 44, ipsilateral two fixed ear pawls 44 are fixedly mounted, real at the both ends for the Fixing shrink ring 41 stated
Now effective combination installation.
Specifically, the outer tube 5 includes outer tube body 51, it is the main structure of outer tube 5,51 outer surface of outer tube body applies
There is dubbin paint layer 52, prevent moisture attack in soil layer from damaging, the inner wall of the outer tube body 51 is closely fitted with antifriction layer
53, increase by 51 inner wall abrasion resistance of outer tube body.
The equidistant arrangement specifically, said inner tube bracket 2 and interval pipe holder 4 misplace avoids concentrating stress, realizes torque
Effectively distribution.
When utility model works, after piping connection is got well, after high temperature and high pressure steam passes through inner tube 3, inner tube 3 is heated to be pressurized
Extension and dilatancy, then by the split displacement of the inner ring 23 of interior pipe holder 2, so that stiffness spring 22 carries out deformation quantity
It absorbs, while pipe 3 extends in drive, passes through interval pipe holder 4 and carry out displacement absorption, the workability of realization device
Energy.
Claims (6)
1. high-efficiency insulated direct-burried composite steam pipe, including inner tube (1), middle pipe (3) and outer tube (5), it is characterised in that: in described
The outer wall of pipe (1) is evenly distributed with interior pipe holder (2), pipe (3) inner wall in the outer rim fixed installation of said inner tube bracket (2),
Middle pipe (3) outer wall is evenly distributed with interval pipe holder (4), and the outer rim of the interval pipe holder (4) is slidably installed outer tube
(5) inner wall is filled with hydrophobic pearlite layer (7), the middle pipe (3) and outer tube between said inner tube (1) and middle pipe (3)
(5) aeroge filled layer (6) are filled between.
2. high-efficiency insulated direct-burried composite steam pipe according to claim 1, it is characterised in that: said inner tube (1) includes interior
The inner wall passivation of tube body (11), said inner tube body (11) has passivation layer (12), and the outer wall of said inner tube body (11) is coated with antiseptic oil
Paint layer (13).
3. high-efficiency insulated direct-burried composite steam pipe according to claim 1, it is characterised in that: said inner tube bracket (2) packet
Including outer ring (21), stiffness spring (22) and inner ring (23), the inner ring (23) divides equally eight equal portions, and the inner ring (23) of every equal portions
Outer wall is clamped there are two stiffness spring (22), and the outer end of the stiffness spring (22) clamps the inner wall of outer ring (21).
4. high-efficiency insulated direct-burried composite steam pipe according to claim 1, it is characterised in that: the interval pipe holder (4)
Including Fixing shrink ring (41), the Fixing shrink ring (41) divides equally upper half ring and lower semi-ring, and Fixing shrink ring (41) periphery is uniform
It is distributed with wheel carrier (42), the front and rear end of the outer rim of the wheel carrier (42) is rotatably equipped with idler wheel (43), described in upper half ring
Fixing shrink ring (41) both ends and lower semi-ring described in Fixing shrink ring (41) both ends integrally formed with fixed ear pawl (44),
Ipsilateral two fixed ear pawls (44) are fixedly mounted.
5. high-efficiency insulated direct-burried composite steam pipe according to claim 1, it is characterised in that: the outer tube (5) includes outer
Tube body (51), outer tube body (51) outer surface are coated with dubbin paint layer (52), and the inner wall of the outer tube body (51) fits closely
There are antifriction layer (53).
6. high-efficiency insulated direct-burried composite steam pipe according to claim 1, it is characterised in that: said inner tube bracket (2) with
The equidistant arrangement of interval pipe holder (4) dislocation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821188323.8U CN208565960U (en) | 2018-07-26 | 2018-07-26 | High-efficiency insulated direct-burried composite steam pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821188323.8U CN208565960U (en) | 2018-07-26 | 2018-07-26 | High-efficiency insulated direct-burried composite steam pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565960U true CN208565960U (en) | 2019-03-01 |
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ID=65448020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821188323.8U Active CN208565960U (en) | 2018-07-26 | 2018-07-26 | High-efficiency insulated direct-burried composite steam pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607872A (en) * | 2022-04-07 | 2022-06-10 | 大庆市碧千里科技开发有限公司 | Oil pipeline external heat preservation device for cast-in-place foamed cement of non-dismantling formwork |
-
2018
- 2018-07-26 CN CN201821188323.8U patent/CN208565960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607872A (en) * | 2022-04-07 | 2022-06-10 | 大庆市碧千里科技开发有限公司 | Oil pipeline external heat preservation device for cast-in-place foamed cement of non-dismantling formwork |
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