CN212868994U

CN212868994U - Internal sliding active heating insulation pipe structure

Info

Publication number: CN212868994U
Application number: CN202021623973.8U
Authority: CN
Inventors: 王国兴; 温成; 刘盼盼; 宋倩倩; 刘清
Original assignee: Nanjing Suxia Design Group Co ltd
Current assignee: Nanjing Suxia Design Group Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-02
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses an interior slip initiative heating insulation pipe structure, include from interior to wrapping up supporting framework, the soft heat-preservation body of at least one deck, soft insulation sleeve, polyurethane foaming body, outer protecting steel sleeve pipe and the transparent dustcoat outside the working steel pipe in proper order outward, leave air bed I between working steel pipe and the supporting framework, evenly be provided with a plurality of gyro wheels along working steel pipe and supporting framework's circumference in the air bed I, leave air bed II between outer protecting steel sleeve pipe and the transparent dustcoat, the surface brush of outer protecting steel sleeve pipe has solar energy to absorb the coating. The utility model discloses absorb the heat of solar energy radiation on fine daytime, improve pipeline outer wall temperature, reduce inside and outside difference in temperature to reduce heat dissipation loss, improve by insulating tube's whole heat preservation effect, have good heat preservation effect.

Description

Internal sliding active heating insulation pipe structure

Technical Field

The utility model belongs to the technical field of the insulating tube, concretely relates to interior slip active heating insulating tube structure.

Background

In recent years, with the development of heat insulation material technology, the steam pipeline heat insulation structure technology is also developed correspondingly,

at present, the heat insulation structure of the steam pipeline in China has the forms of felt, double-layer tile, single-layer microporous calcium silicate tile, single-layer section bar, pipe shell and the like. However, these forms of thermal insulation structures all have some disadvantages, for example, the single-layer microporous calcium silicate tile + single-layer felt (rock wool) thermal insulation structure generally has the situation that the thermal insulation material sinks, and mainly because the thermal insulation structure combining the inner layer microporous calcium silicate tile thermal insulation material and the outer layer soft material cannot make the two form an organic whole, after long-term use, the thermal insulation structure is affected by steam pressure fluctuation in the pipeline, hydraulic impact, artificial treading on the pipeline and the like, so that the overhead pipeline oscillates, and the soft thermal insulation material deforms, slides and sinks. If the thermal insulation material of the pipe shell thermal insulation structure does not sink, but cracks are more, the thermal insulation material cracks more commonly, the cracks are the main reasons of increasing heat loss and causing energy waste, and some pipelines which are newly thermally insulated recently adopt the composite silicate felt as the thermal insulation material, so that the thickness of the thermal insulation layer is uneven from top to bottom, the thickness of the lower part is 1.3 times of that of the upper part, and the thermal insulation effect is not ideal.

Aiming at a series of problems of the traditional heat insulation structure, the inner sliding active heating heat insulation structure is provided, so that the friction force can be reduced, the heat of solar radiation can be absorbed in a clear day, the temperature of the outer wall of a pipeline is increased, the size of an outer sheath is reduced under the condition of equal heat insulation parameters, and the cost is reduced.

Disclosure of Invention

The utility model provides an interior slip initiative heating insulation pipe structure to solve the problem among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides an interior initiative heating insulation tube structure that slides, include from interior to exterior in proper order wrap up support skeleton 5, the soft heat-preservation body 6 of at least one deck outside work steel pipe 1, soft insulation support 7, polyurethane foaming body 8, outer steel casing pipe 9 and transparent dustcoat 11, leave air bed I3 between work steel pipe 1 and the support skeleton 5, evenly be provided with a plurality of gyro wheels 2 along work steel pipe 1 and support skeleton 5's circumference in air bed I3, leave air bed II4 between outer steel casing pipe 9 and the transparent dustcoat 11, the surface brush of outer steel casing pipe 9 has solar energy absorbing coating 10.

Further, the thickness of the air layer I3 between the support framework 5 and the working steel pipe 1 is 2.5-3 mm.

Further, the thickness of an air layer II4 between the outer protective steel sleeve 9 and the transparent outer cover 11 is 15-20 mm, a plurality of groups of castable support assemblies are arranged along the axial direction between the outer protective steel sleeve 9 and the transparent outer cover 11, each group of castable support assemblies comprises 5-8 castable supports 12 uniformly arranged on the circumference of the air layer II4 and steel wires 13 used for connecting the adjacent castable supports 12, and the interval of each group of castable support assemblies is 1.5-2 m.

Further, the soft heat insulator 6 comprises a heat insulating material layer 61 and an aluminum foil reflecting layer 62 wrapped on the outer surface of the heat insulating material layer 61, the heat insulating material layer 61 is arranged on the outer surface of the supporting framework 5, and the aluminum foil reflecting layer 62 sequentially comprises glass fiber cloth 621, a flame retardant adhesive 622 and an aluminum foil 623 from inside to outside.

Further, the heat insulation material layer 61 is aerogel nanometer, aluminum silicate needle-punched blanket or high-temperature glass wool; the aluminum foil reflecting layer 62 is an ultrahigh temperature resistant reflecting layer, a high temperature resistant reflecting layer or a medium temperature resistant reflecting layer, and the thickness of the single-layer aluminum foil reflecting layer 62 is 7 mm.

Further, the coating 10 is an RLHY-2337 model solar energy absorption coating produced by Beijing Ronglih technology Limited.

Further, the transparent outer cover 11 is made of organic glass or vacuum glass.

Furthermore, the supporting framework 5 is made of steel wires with the diameter of 0.5-2 mm and the mesh number of 30-5 through weaving or is made of steel thin plates through rolling, and the thickness of the supporting framework 5 is 0.3-1.5 mm.

Further, the working steel pipe 1 is a seamless fluid steel pipe or a submerged arc welding spiral steel pipe.

Further, the soft heat-insulating sleeve 7 is a tubular structure formed by rolling a carbon steel sheet, and the thickness of the soft heat-insulating sleeve 7 is 0.5-0.6 mm; the outer protective steel sleeve 9 is a metal thin-wall reel pipe, and the thickness of the outer protective steel sleeve 9 is 0.6-1.2 mm.

Compared with the prior art, the utility model discloses following beneficial effect has:

first, through soft insulation material and polyurethane foam's compound mode to adopt gliding mode, can improve by insulating tube's whole heat preservation effect, prevent the outside transmission of heat of the steam in the interior working tube, have good heat preservation effect.

Secondly, the semitransparent outer wall and the outer protective steel sleeve coating form a device similar to a solar heating plate, so that heat of solar radiation is absorbed in a sunny day, the temperature of the outer wall of the pipeline is increased, and the temperature difference between the inner part and the outer part is reduced, so that the heat dissipation loss is reduced; meanwhile, the outer cover can avoid the heat convection between the outer protective steel sleeve and the outside air, and influence of northern windy weather on heat exchange coefficient can be avoided, so that the purpose of reducing heat dissipation loss is achieved.

Drawings

FIG. 1 is a schematic view in cross section in the radial direction of the present invention;

FIG. 2 is a schematic axial cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of a castable support of the present invention;

FIG. 4 is a schematic structural view of a single insulating material layer according to the present invention;

FIG. 5 is a schematic structural view of a multi-layer insulation layer according to the present invention;

FIG. 6 is a schematic view of the structure of the aluminum foil reflecting layer according to the present invention;

wherein: 1-working steel pipe, 2-roller, 3-air layer I, 4-air layer II, 5-supporting framework, 6-soft heat insulator, 61-heat insulating material layer, 62-aluminum foil reflecting layer, 621-glass fiber cloth, 622-flame retardant adhesive, 623-aluminum foil, 7-soft heat insulating sleeve, 8-polyurethane foam, 9-outer protective steel sleeve, 10-coating, 11-transparent outer cover, 12-castable support and 13-steel wire.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 6, the internal sliding active heating insulation pipe structure comprises a supporting framework 5, at least one layer of soft insulation body 6, a soft insulation sleeve 7, a polyurethane foam body 8, an external protective steel sleeve 9 and a transparent outer cover 11, wherein the supporting framework 5, the at least one layer of soft insulation body 6, the soft insulation sleeve 7, the polyurethane foam body 8, the external protective steel sleeve 9 and the transparent outer cover 11 are sequentially wrapped outside a working steel pipe 1 from inside to outside, an air layer I3 is reserved between the working steel pipe 1 and the supporting framework 5, a plurality of rollers 2 are uniformly arranged in the air layer I3 along the circumferential direction of the working steel pipe 1 and the supporting framework 5, an air layer II4 is reserved between the external protective steel sleeve 9 and the transparent outer.

The thickness of the air bed I3 between supporting framework 5 and the work steel pipe 1 is 2.5 ~ 3mm, evenly is provided with a plurality of gyro wheels 2 along the circumference of work steel pipe 1 and supporting framework 5 in the air bed I3, through soft insulation material and polyurethane foam's compound mode, and adopt gliding mode, can improve by heat preservation pipeline's whole heat preservation effect, prevent the outside transmission of heat of the steam in the interior work pipe, good heat preservation effect has.

The thickness of the air layer II4 between the outer steel protecting sleeve 9 and the transparent outer cover 11 is 15-20 mm, a plurality of groups of castable support assemblies are arranged along the axial direction between the outer steel protecting sleeve 9 and the transparent outer cover 11, each group of castable support assemblies comprises 5-8 castable supports 12 uniformly arranged on the circumference of the air layer II4 and steel wires 13 used for connecting the adjacent castable supports 12, and the interval of each group of castable support assemblies is 1.5-2 m. The castable support set is used for supporting an air layer II4 left between the outer protective steel sleeve 9 and the transparent outer cover 11.

The soft heat insulating body 6 comprises a heat insulating material layer 61 and an aluminum foil reflecting layer 62 wrapped on the outer surface of the heat insulating material layer 61, the heat insulating material layer 61 is arranged on the outer surface of the supporting framework 5, and the aluminum foil reflecting layer 62 sequentially comprises glass fiber cloth 621, flame-retardant adhesive 622 and an aluminum foil 623 from inside to outside. The heat insulation material layer 61 is aerogel nanometer, aluminum silicate needle-punched blanket or high-temperature glass wool; the aluminum foil reflecting layer 62 is an ultrahigh temperature resistant reflecting layer, a high temperature resistant reflecting layer or a medium temperature resistant reflecting layer, and the thickness of the single-layer aluminum foil reflecting layer 62 is 7 mm.

The coating 10 is an RLHY-2337 model solar energy absorbing coating produced by Beijing Rongliheng science and technology Limited. The transparent outer cover 11 is made of organic glass or vacuum glass. The semi-transparent outer wall and the outer protective steel sleeve coating form a device similar to a solar heating plate, so that heat radiated by solar energy is absorbed in a sunny day, the temperature of the outer wall of the pipeline is increased, and the temperature difference between the inner part and the outer part is reduced, thereby reducing heat dissipation loss; meanwhile, the outer cover can avoid the heat convection between the outer protective steel sleeve and the outside air, and influence of northern windy weather on heat exchange coefficient can be avoided, so that the purpose of reducing heat dissipation loss is achieved.

The supporting framework 5 is made of steel wires with the diameter of 0.5-2 mm and the mesh number of 30-5 through weaving or is made of steel thin plates through rolling, and the thickness of the supporting framework is 0.3-1.5 mm. The working steel pipe 1 is a seamless fluid steel pipe or a submerged arc welding spiral steel pipe. The soft heat-insulating sleeve 7 is of a tubular structure formed by rolling a carbon steel sheet, and the thickness of the soft heat-insulating sleeve 7 is 0.5-0.6 mm; the outer protective steel sleeve 9 is a metal thin-wall reel pipe, and the thickness of the outer protective steel sleeve 9 is 0.6-1.2 mm.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an interior initiative heating insulation pipe structure that slides which characterized in that: include from interior to outer parcel in proper order in work steel pipe (1) outer supporting framework (5), the soft heat-preservation body of at least one deck (6), soft insulation support pipe (7), polyurethane foam (8), outer protective steel sleeve (9) and transparent dustcoat (11), leave air bed I (3) between work steel pipe (1) and supporting framework (5), evenly be provided with a plurality of gyro wheels (2) along the circumference of work steel pipe (1) and supporting framework (5) in air bed I (3), leave air bed II (4) between outer protective steel sleeve (9) and transparent dustcoat (11), the surface brush of outer protective steel sleeve (9) has solar energy to absorb coating (10).

2. The internal slide active heating insulation tube structure as claimed in claim 1, wherein: the thickness of the air layer I (3) between the supporting framework (5) and the working steel pipe (1) is 2.5-3 mm.

3. The internal slide active heating insulation tube structure as claimed in claim 1, wherein: the thickness of air bed II (4) between outer protective steel casing pipe (9) and transparent dustcoat (11) is 15 ~ 20mm, is equipped with a plurality of groups of castable support subassembly along the axial between outer protective steel casing pipe (9) and transparent dustcoat (11), and every group castable support subassembly is including even setting up 5 ~ 8 castable supports (12) of air bed II (4) circumference and steel wire (13) that are used for connecting adjacent castable support (12), and the interval of every group castable support subassembly is 1.5 ~ 2 m.

4. The internal slide active heating insulation tube structure as claimed in claim 1, wherein: soft heat insulating body (6) include insulation material layer (61) and wrap up in aluminum foil reflecting layer (62) of insulation material layer (61) surface, the surface of support skeleton (5) is located in insulation material layer (61), aluminum foil reflecting layer (62) from interior to exterior includes fine cloth of glass (621), fire-retardant gluing agent (622) and aluminum foil (623) in proper order.

5. The internal slide active heating insulation tube structure as claimed in claim 4, wherein: the heat insulation material layer (61) is aerogel nano, aluminum silicate needle-punched blanket or high-temperature glass wool; the aluminum foil reflecting layer (62) is an ultrahigh temperature resistant reflecting layer, a high temperature resistant reflecting layer or a medium temperature resistant reflecting layer, and the thickness of a single layer is 7 mm.

6. The internal slide active heating insulation tube structure as claimed in claim 1, wherein: the type of the coating (10) is RLHY-2337 solar energy absorption coating.

7. The internal slide active heating insulation tube structure as claimed in claim 1, wherein: the transparent outer cover (11) is made of organic glass or vacuum glass.

8. The internal slide active heating insulation tube structure as claimed in claim 1, wherein: the supporting framework (5) is made of steel, and the thickness of the supporting framework (5) is 0.3-1.5 mm.

9. The internal slide active heating insulation tube structure as claimed in claim 1, wherein: the working steel pipe (1) is a seamless fluid steel pipe or a submerged arc welding spiral steel pipe.

10. The internal slide active heating insulation tube structure as claimed in claim 1, wherein: the soft heat-insulating sleeve (7) is made of carbon steel, and the thickness of the soft heat-insulating sleeve (7) is 0.5-0.6 mm; the thickness of the outer protective steel sleeve (9) is 0.6-1.2 mm.