CN215293935U - Fixed wall device of formula heat supply insulating tube directly buries - Google Patents

Fixed wall device of formula heat supply insulating tube directly buries Download PDF

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Publication number
CN215293935U
CN215293935U CN202120927039.3U CN202120927039U CN215293935U CN 215293935 U CN215293935 U CN 215293935U CN 202120927039 U CN202120927039 U CN 202120927039U CN 215293935 U CN215293935 U CN 215293935U
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CN
China
Prior art keywords
layer
lateral surface
heat supply
anticorrosive coating
direct
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120927039.3U
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Chinese (zh)
Inventor
安兵
万鑫玉
苗德武
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Lanzhou Xincheng Thermal Power Co ltd
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Lanzhou Xincheng Thermal Power Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Lanzhou Xincheng Thermal Power Co ltd filed Critical Lanzhou Xincheng Thermal Power Co ltd
Priority to CN202120927039.3U priority Critical patent/CN215293935U/en
Application granted granted Critical
Publication of CN215293935U publication Critical patent/CN215293935U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The utility model discloses a fixed off device of formula heat supply insulating tube directly buries, including the inner tube, the inner tube lateral surface is equipped with the anticorrosive coating, the anticorrosive coating includes the thermoplastic material basic unit that the inner tube lateral surface was equipped with, thermoplastic material basic unit lateral surface is equipped with the enhancement layer that is spiral winding, the enhancement layer lateral surface is equipped with the thermoplastic material overburden, the anticorrosive coating lateral surface is equipped with the viscose layer, viscose layer lateral surface is equipped with the insulating layer, the insulating layer lateral surface is equipped with the protection outer tube, the annular piece that the insulating layer includes mullite ceramic fiber blanket and does, annular piece equipartition covers at the viscose layer lateral surface. The utility model discloses the advantage: improve the corrosion resistance and the fire resistance.

Description

Fixed wall device of formula heat supply insulating tube directly buries
Technical Field
The utility model relates to a heat preservation steel pipe technical field specifically indicates a fixed wall device of formula heat supply insulating tube directly buries.
Background
The heat-insulating directly-buried pipe not only has the advantages of technology and practical performance which are difficult to be compared with the traditional trench and overhead pipeline laying, but also has remarkable social benefit and economic benefit, but a high-quality directly-buried heat supply pipeline project must also have several conditions of reasonable design, reliable quality of heat-insulating pipelines and elaborate construction. The factory for producing the prefabricated polyurethane insulating direct-buried pipe must be investigated before construction, and the factory can check the pipe carefully after entering the field, and can reject unqualified insulating pipes. The existing heat-insulating directly-buried pipe is basically composed of a steel pipe, a polyurethane heat-insulating layer and a polyethylene heat-insulating layer, and the structure is not firm enough, is easy to damage and has poor fire resistance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to solve above-mentioned problem, provide a fixed wall dress that cuts off of direct-burried heat supply insulating tube that improves corrosion resisting property and fire resistance.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a fixed wall device that cuts off of formula heat supply insulating tube directly, includes the inner tube, the inner tube lateral surface is equipped with the anticorrosive coating, the anticorrosive coating includes the thermoplastic material basic unit that the inner tube lateral surface was equipped with, thermoplastic material basic unit lateral surface is equipped with the enhancement layer that is spiral winding, the enhancement layer lateral surface is equipped with the thermoplastic material overburden, the anticorrosive coating lateral surface is equipped with the viscose layer, viscose layer lateral surface is equipped with the insulating layer, the insulating layer lateral surface is equipped with the protection outer tube, the annular piece that the insulating layer includes mullite ceramic fiber blanket and does, the annular piece equipartition covers at the viscose layer lateral surface.
Further, the reinforcing layer is made of glass fiber yarns.
Further, the anti-corrosion layer comprises glass fiber mesh-shaped braided fabrics woven together in a warp-wise and weft-wise mode, the glass fiber mesh-shaped braided fabrics are arranged on the outer surface of the inner pipe, and a thermosetting polymer layer is arranged on the outer side surface of the glass fiber mesh-shaped braided fabrics.
Further, the anticorrosive layers are layers in total, and the thickness of each layer is 2 mm.
Further, the thickness of the insulating layer is 72 mm.
Furthermore, a plurality of reinforcing rods are uniformly distributed on the inner side surface of the annular sheet, and the other ends of the reinforcing rods extend into the anticorrosive coating.
Furthermore, the outer side surface of the annular sheet is covered with a mortar-shaped refractory material layer.
Further, the outer side surface of the protective outer tube is provided with an aluminum foil layer.
Compared with the prior art, the utility model the advantage lie in: cyclic annular piece is fixed by the viscose layer bonding, consequently can restrain cyclic annular piece because inner tube expend with heat and contract with cold reducing and in the ascending removal of outer footpath side and the damage of peeling off of restraining cyclic annular piece, cyclic annular piece is that its fire resistance of mullite ceramic fiber blanket light is high, cooperates the plaster form refractory material layer, does not increase the utility model discloses the weight of product improves its fire prevention fire retardant performance, and glass fiber silk and thermoplastic material cooperation replace traditional polyurethane heat preservation corrosion resistant layer, improve the utility model discloses the insulating nature of product, heat resistance, corrosion resistance, mechanical strength, wearability etc. improve the utility model discloses the life of product.
Drawings
Fig. 1 is a schematic view of the structure of the direct-buried heat-supply thermal-insulation pipe fixing and separating device of the present invention.
Fig. 2 is a schematic side view of the reinforced layer of the direct-buried heat-supply thermal-insulation pipe fixing and separating device of the utility model.
Fig. 3 is a schematic side view of the fiberglass mesh fabric of the direct-buried heat-supply thermal-insulation pipe fixing and cutting device of the present invention.
As shown in the figure: 1. inner pipe, 2, anticorrosive layer, 3, thermoplastic material base layer, 4, reinforcing layer, 5, thermoplastic material covering layer, 6, adhesive layer, 7, insulating layer, 8, protective outer pipe, 9, glass fiber mesh-like woven fabric, 10, thermosetting polymer layer, 11, annular sheet, 12, plaster-like refractory material layer, 13, reinforcing rod, 14, aluminum foil layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings 1, 2 and 3, the fixed partition device of the direct-buried heat supply insulating pipe comprises an inner pipe 1, an anticorrosive coating 2 is arranged on the outer side surface of the inner pipe 1, the anticorrosive coating 2 comprises a thermoplastic material base layer 3 arranged on the outer side surface of the inner pipe 1, a reinforcing layer 4 which is spirally wound is arranged on the outer side surface of the thermoplastic material base layer 3, a thermoplastic material covering layer 5 is arranged on the outer side surface of the reinforcing layer 4, an adhesive layer 6 is arranged on the outer side surface of the anticorrosive coating 2, an insulating layer 7 is arranged on the outer side surface of the adhesive layer 6, a protective outer pipe 8 is arranged on the outer side surface of the insulating layer 7, an annular sheet 11 made of a mullite ceramic fiber blanket is arranged on the insulating layer 7, and the annular sheet 11 is uniformly distributed and covered on the outer side surface of the adhesive layer 6.
The reinforcing layer 4 is made of glass fiber yarns.
The anticorrosive coating 2 comprises a glass fiber mesh-shaped braided fabric 9 woven together in a warp-wise and weft-wise mode, the glass fiber mesh-shaped braided fabric 9 is arranged on the outer surface of the inner pipe 1, and a thermosetting polymer layer 10 is arranged on the outer side surface of the glass fiber mesh-shaped braided fabric 9.
The anticorrosive coating 2 comprises 6 layers in total, and the thickness of each layer is 2 mm.
The thickness of the insulating layer 7 is 72 mm.
A plurality of reinforcing rods 13 are uniformly distributed on the inner side surface of the annular sheet 11, and the other ends of the reinforcing rods 13 extend into the anticorrosive coating 2.
The outer side surface of the annular sheet 11 is covered with a mortar-shaped refractory material layer 12.
An aluminum foil layer 14 is arranged on the outer side surface of the protective outer tube 8.
The utility model discloses when specifically implementing, cyclic annular piece 11 is fixed by the bonding of viscose layer 6, consequently can restrain cyclic annular piece because inner tube 1 expend with heat and contract with cold reducing and the removal damage of inhibiting cyclic annular piece 11 in the diameter direction, cyclic annular piece 11 is mullite ceramic fiber blanket light its fire resistance can be high, cooperates plaster form refractory material layer, does not increase the utility model discloses the weight of product improves its fire retardant performance, and glass fiber silk and thermoplastic material cooperate, replaces traditional polyurethane heat preservation corrosion resistant layer, improves the insulating nature, heat resistance, corrosion resistance, mechanical strength, wearability etc. of the utility model product, improves the utility model discloses the life of product; the glass fiber yarns are spirally wound on the outer surface of the inner tube 1 coated with the thermoplastic material base layer 3, so that the defects of the inner tube and the outer tube compensate each other, the advantages of the inner tube and the outer tube are increased, the reinforcing layer 4 has certain mechanical strength, and the insulation property, the heat resistance and the corrosion resistance of the reinforcing layer are stronger.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (8)

1. The utility model provides a fixed wall device of formula of directly burying heat supply insulating tube, includes inner tube (1), its characterized in that: inner tube (1) lateral surface is equipped with anticorrosive coating (2), anticorrosive coating (2) include thermoplastic material basic unit (3) that inner tube (1) lateral surface was equipped with, thermoplastic material basic unit (3) lateral surface is equipped with and is spiral winding enhancement layer (4), enhancement layer (4) lateral surface is equipped with thermoplastic material overburden (5), anticorrosive coating (2) lateral surface is equipped with viscose layer (6), viscose layer (6) lateral surface is equipped with insulating layer (7), insulating layer (7) lateral surface is equipped with protection outer tube (8), annular piece (11) that insulating layer (7) were done including mullite ceramic fiber blanket, annular piece (11) equipartition cover is at viscose layer (6) lateral surface.
2. The fixed partition device of the direct-buried heat supply insulating pipe according to claim 1, characterized in that: the reinforcing layer (4) is made of glass fiber yarns.
3. The fixed partition device of the direct-buried heat supply insulating pipe according to claim 1, characterized in that: anticorrosive coating (2) weave glass fiber mesh fabric (9) together including the mode of warp-wise and latitudinal direction, glass fiber mesh fabric (9) set up at inner tube (1) surface, glass fiber mesh fabric (9) lateral surface is equipped with thermosetting polymer layer (10).
4. The fixed partition device of the direct-buried heat supply insulating pipe according to claim 1, characterized in that: the anticorrosive coating (2) is 6 layers in total, and the thickness of each layer is 2 mm.
5. The fixed partition device of the direct-buried heat supply insulating pipe according to claim 1, characterized in that: the thickness of the insulating layer (7) is 72 mm.
6. The fixed partition device of the direct-buried heat supply insulating pipe according to claim 1, characterized in that: annular piece (11) inboard side equipartition is equipped with a plurality of reinforcement bar (13), reinforcement bar (13) other end extends into in anticorrosive coating (2).
7. The fixed partition device of the direct-buried heat supply insulating pipe according to claim 6, characterized in that: the outer side surface of the annular sheet (11) is covered with a plaster-shaped refractory material layer (12).
8. The fixed partition device of the direct-buried heat supply insulating pipe according to claim 6, characterized in that: an aluminum foil layer (14) is arranged on the outer side surface of the protective outer tube (8).
CN202120927039.3U 2021-04-30 2021-04-30 Fixed wall device of formula heat supply insulating tube directly buries Expired - Fee Related CN215293935U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120927039.3U CN215293935U (en) 2021-04-30 2021-04-30 Fixed wall device of formula heat supply insulating tube directly buries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120927039.3U CN215293935U (en) 2021-04-30 2021-04-30 Fixed wall device of formula heat supply insulating tube directly buries

Publications (1)

Publication Number Publication Date
CN215293935U true CN215293935U (en) 2021-12-24

Family

ID=79539112

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120927039.3U Expired - Fee Related CN215293935U (en) 2021-04-30 2021-04-30 Fixed wall device of formula heat supply insulating tube directly buries

Country Status (1)

Country Link
CN (1) CN215293935U (en)

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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: 20211224