CN216158596U

CN216158596U - High temperature resistant double-walled winding pipe

Info

Publication number: CN216158596U
Application number: CN202122246927.1U
Authority: CN
Inventors: 虞彭; 魏志建; 钱佩华
Original assignee: Shanghai Xingdao Technology Co ltd
Current assignee: Shanghai Xingdao Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-01
Anticipated expiration: 2031-09-16

Abstract

The application relates to a high-temperature-resistant double-wall winding pipe, which relates to the technical field of pipelines and comprises a first sleeve and a second sleeve, wherein the first sleeve is sleeved outside the second sleeve, a connecting rib is arranged between the first sleeve and the second sleeve, the connecting rib is respectively fixed with the first sleeve and the second sleeve, an outer pipe is arranged outside the second sleeve, a hollow interlayer is formed between the outer pipe and the second sleeve, a supporting rod is arranged between the outer pipe and the second sleeve, and two ends of the supporting rod are respectively fixed with the outer pipe and the second sleeve; the first sleeve is provided with a temperature transmission piece, the temperature transmission piece is erected on the first sleeve, and the temperature transmission piece transmits heat in the first sleeve to the hollow interlayer. This application has the high temperature resistance that prevents double-walled winding pipe relatively poor, and long-time cold and hot back in turn, the condition of harm takes place for double-walled winding pipe, promotes the life of double-walled winding pipe, guarantees the normal use of double-walled winding pipe, reduces cost of maintenance's effect.

Description

High temperature resistant double-walled winding pipe

Technical Field

The application relates to the technical field of pipelines, in particular to a high-temperature-resistant double-wall winding pipe.

Background

At present, the double-wall winding pipe is made of steel-plastic composite special-shaped strips through spiral winding and welding, and the inner wall of the double-wall winding pipe is smooth and flat. The pipe has the advantages of corrosion resistance, light weight, simple and convenient installation, large flow rate, long service life and the like, can replace the pipe made of high-energy-consumption materials (cement, cast iron, ceramic and the like), and belongs to an environment-friendly green product. The double-wall winding pipe is suitable for earthquake and mining area soil layer settlement area, and is suitable for conveying acid and alkaline substances, sewage, natural gas, coal gas and other substances.

In the related technology, in the laying process of the outdoor underground drainage pipeline, a worker sets a groove on a soil layer, then lays the double-wall winding pipe in the groove, the worker backfills the excavated soil after the laying of the double-wall winding pipe is finished, and after the laying of the double-wall winding pipe is finished, a customer can supply water, drain water, heat and gas according to the own requirements.

In view of the above-mentioned related technologies, the inventor believes that there is a double-wall winding pipe which has poor high temperature resistance and a long-time cold and hot alternation, thereby reducing the service life of the double-wall winding pipe, affecting the normal use of the pipe and increasing the maintenance cost.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the high temperature resistance of the double-wall winding pipe is poor, the application provides a high-temperature-resistant double-wall winding pipe.

The application provides a high temperature resistant double-walled winding pipe adopts following technical scheme:

a high-temperature-resistant double-wall winding pipe comprises a first sleeve and a second sleeve, wherein the first sleeve is sleeved on the outer side of the second sleeve, a connecting rib is arranged between the first sleeve and the second sleeve and is respectively fixed with the first sleeve and the second sleeve, an outer pipe is arranged outside the second sleeve, a hollow interlayer is formed between the outer pipe and the second sleeve, a supporting rod is arranged between the outer pipe and the second sleeve, and two ends of the supporting rod are respectively fixed with the outer pipe and the second sleeve; the first sleeve is provided with a temperature transfer piece, the temperature transfer piece is erected on the first sleeve, and the temperature transfer piece transfers heat in the first sleeve to the hollow interlayer.

Optionally, the piece that passes temperature is including passing temperature ball and temperature transmission pole, it is in to pass the temperature transmission ball in the first sleeve pipe, just the one end of temperature transmission pole with it is fixed to pass the temperature transmission ball, and the other end passes first sleeve pipe and second sleeve pipe in proper order, the temperature transmission pole pass the second sheathed tube one end to extend in the cavity intermediate layer, just the temperature transmission pole respectively with first sleeve pipe, second sleeve pipe cooperation of sliding.

Optionally, a limiting plate is arranged at one end of the heat transfer rod, which is located on the hollow interlayer, and the limiting plate is fixed with the heat transfer rod.

Optionally, a heat insulation layer is arranged in the first sleeve, the heat insulation layer is sleeved in the first sleeve, and the heat insulation layer is fixed to the first sleeve.

Optionally, a filling cavity is formed in the lower side of the thermal insulation layer in the vertical direction, a cooling rod is arranged in the filling cavity of the thermal insulation layer, and the cooling rod is arranged in the filling cavity of the thermal insulation layer in a rolling mode.

Optionally, a heat dissipation groove is formed in one side, away from the second sleeve, of the outer pipe, and a plurality of heat dissipation grooves are formed in the outer pipe at equal intervals.

To sum up, this application includes following at least one high temperature resistant double-walled winding pipe beneficial technical effect:

during the use, after double-walled winding pipe is laid and is accomplished, when the staff carries out the backfill of earth, earth is in the outside of outer tube by the separation, when the higher liquid of temperature teaching change of flowing through in first sleeve, the heat transfer of first sleeve intraductal heat transfer to the cavity intermediate layer between outer tube and the second sleeve, it is relatively poor to help preventing the high temperature resistance of double-walled winding pipe, long-time cold and hot back in turn, the condition of harm takes place for double-walled winding pipe, promote the life of double-walled winding pipe, guarantee the normal use of double-walled winding pipe, and the maintenance cost is reduced.

Drawings

Fig. 1 is a schematic view showing the overall structure of a double-walled wound pipe of the present embodiment, which mainly embodies a high temperature resistance.

Reference numerals: 1. a first sleeve; 11. a thermal insulation layer; 111. filling the cavity; 12. a cooling bar; 2. a connecting rib; 3. a second sleeve; 4. a hollow interlayer; 41. a support bar; 5. an outer tube; 51. a heat sink; 6. a temperature transfer member; 61. a temperature transfer ball; 62. a heat transfer rod; 63. and a limiting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and the like in the description and in the claims of the present application do not denote a limitation of quantity, but rather denote the presence of at least one.

In the description of the present specification and claims, the terms "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a high-temperature-resistant double-wall winding pipe.

Referring to fig. 1, a high temperature resistant double-walled winding pipe comprises a first sleeve 1 and a second sleeve 3, wherein the first sleeve 1 and the second sleeve 3 are both cylindrical, the first sleeve 1 is located on the inner side of the second sleeve 3, and the axes of the first sleeve 1 and the second sleeve 3 coincide. Be provided with between first sleeve pipe 1 and the second sleeve pipe 3 and connect rib 2, connect rib 2 wholly is cyclic annular, and the axis of connecting rib 2 is coaxial with the axis of first sleeve pipe 1, second sleeve pipe 3, and the cross-section of connecting rib 2 is the rectangle, and the one end of connecting rib 2 is fixed with first sleeve pipe 1, and the other end is fixed with second sleeve pipe 3, and connects rib 2 along the even interval of the axis direction of first sleeve pipe 1 and be provided with a plurality of.

Referring to fig. 1, in the use, first sleeve pipe 1 is after long-time and liquid contact, the problem of oxidation takes place easily, thereby reduce first sleeve pipe 1's heat resistance, the designer improves the back, be provided with insulating layer 11 in the first sleeve pipe 1, insulating layer 11 is whole to be cylindricly, and the axis of insulating layer 11 is coaxial with first sleeve pipe 1's axis, insulating layer 11 is close to a lateral wall of first sleeve pipe 1 and is contradicted with first sleeve pipe 1's inside wall, it is isolated with first sleeve pipe 1 and the liquid that flows through in the first sleeve pipe 1 through insulating layer 11, so that, first sleeve pipe 1's life can promote, first sleeve pipe 1's heat resistance also obtains great promotion simultaneously.

Referring to fig. 1, in the use, the designer discovers, the liquid that the insulating layer 11 was flowed through to most of time can not be fully loaded usually, liquid only can with the surface contact of the 11 downside of insulating layer, thereby it discovers when leading to the staff to change insulating layer 11, the downside of 11 vertical directions of insulating layer has been damaged, and the upside of 11 vertical directions of insulating layer is the intact state still, the designer improves the back, packing chamber 111 has been seted up on the insulating layer 11, packing chamber 111 is located the downside of 11 vertical directions of insulating layer, and it is provided with cooling rod 12 to slide in the packing chamber 111 of insulating layer 11, cooling rod 12 reduces the temperature of insulating layer 11. When the liquid flowing through the thermal insulation layer 11 is less, the cooling rod 12 rotates to the lower side of the thermal insulation layer 11 due to gravity, so that the service life of the thermal insulation layer 11 is prolonged.

Referring to fig. 1, the outer tube 5 is arranged on the outer side of the second sleeve 3, the outer tube 5 is integrally in a circular tube shape, the axis of the outer tube 5 is coaxial with the axis of the second sleeve 3, a hollow interlayer 4 is formed between the outer tube 5 and the second sleeve 3, a support rod 41 is arranged between the outer tube 5 and the second sleeve 3, the support rod 41 is integrally in a circular rod shape, two ends of the support rod 41 are respectively fixed to the second sleeve 3 and the outer tube 5, the support rod 41 is arranged between the second sleeve 3 and the outer tube 5 at intervals, the support rod 41 is bent to prevent the support rod 41 from influencing the second sleeve 3 and the outer tube 5, and the support rod 41 is made of rubber.

Referring to fig. 1, the second sleeve 3 is provided with the temperature transmission member 6, the temperature transmission member 6 includes a temperature transmission ball 61 and a temperature transmission rod 62, the temperature transmission ball 61 is located in the first sleeve 1, and the temperature transmission ball 61 is uniformly spaced in the first sleeve 1 and is provided with a plurality of, the temperature transmission rod 62 corresponds to the temperature transmission ball 61, and one end of the temperature transmission rod 62 is fixed with the temperature transmission ball 61 corresponding thereto, the other end of the temperature transmission rod passes through the first sleeve 1 and the second sleeve 3 in sequence and extends to the hollow interlayer 4, and the temperature transmission rod 62 is respectively in sliding fit with the first sleeve 1 and the second sleeve 3, one end of the temperature transmission rod 62 located in the hollow interlayer 4 is provided with a limiting plate 63, the limiting plate 63 is fixed with the temperature transmission rod 62, when in use, heat of liquid is transmitted to the hollow interlayer 4 through the temperature transmission ball 61 and the temperature transmission rod 62, and finally, the heat is dissipated in soil through the outer tube 5. Along with the liquid flow in the thermal insulation layer 11 slowly increasing, the heat transfer ball 61 pushes the heat transfer rod 62 out of the second sleeve 3 under the action of buoyancy, so that the heat transfer efficiency of the heat transfer rod 62 is improved.

Referring to fig. 1, in order to improve the heat dissipation efficiency of the outer tube 5, the outer tube 5 is provided with a plurality of heat dissipation grooves 51, the heat dissipation grooves 51 are uniformly spaced on the outer tube 5, and the contact area between the outer tube 5 and the soil is increased through the heat dissipation grooves 51, so that the heat dissipation efficiency of the outer tube 5 is improved.

The implementation principle of the high-temperature-resistant double-wall winding pipe in the embodiment of the application is as follows: in the application, when the liquid flow that flows through in the insulating layer 11 is less, the cooling stick 12 in the insulating layer 11 packing chamber 111 cools down insulating layer 11, when the liquid flow that flows through insulating layer 11 is great, heat transfer ball 61 is under the buoyancy of liquid, and heat transfer rod 62 moves to the outside of second sleeve 3, and the heat of liquid passes through heat transfer ball 61 and heat transfer rod 62 and transmits to the cavity intermediate layer 4 between second sleeve 3 and outer tube 5, and the heat gives off in the earth in the outside through outer tube 5 at last.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high temperature resistant double-walled winding pipe, includes first sleeve pipe (1) and second sleeve pipe (3), first sleeve pipe (1) cover is established the outside of second sleeve pipe (3), just first sleeve pipe (1) with be provided with between second sleeve pipe (3) connecting rib (2), connecting rib (2) are fixed with first sleeve pipe (1), second sleeve pipe (3) respectively, its characterized in that: an outer pipe (5) is arranged outside the second sleeve (3), a hollow interlayer (4) is formed between the outer pipe (5) and the second sleeve (3), a support rod (41) is arranged between the outer pipe (5) and the second sleeve (3), and two ends of the support rod (41) are respectively fixed with the outer pipe (5) and the second sleeve (3); the heat-conducting heat-insulating sleeve is characterized in that a heat-conducting piece (6) is arranged on the first sleeve (1), the heat-conducting piece (6) is erected on the first sleeve (1), and the heat in the first sleeve (1) is transferred to the hollow interlayer (4) through the heat-conducting piece (6).

2. A high temperature resistant double-walled wound pipe according to claim 1, wherein: pass temperature spare (6) including passing temperature ball (61) and temperature transmission pole (62), pass temperature ball (61) and be in first sleeve pipe (1), just the one end of temperature transmission pole (62) with it is fixed to pass temperature ball (61), the other end passes first sleeve pipe (1) and second sleeve pipe (3) in proper order, one end that second sleeve pipe (3) were passed in temperature transmission pole (62) to extend in cavity intermediate layer (4), just pass temperature transmission pole (62) respectively with first sleeve pipe (1), second sleeve pipe (3) cooperation of sliding.

3. A high temperature resistant double-walled wound pipe according to claim 2, wherein: the heat transfer rod (62) is located one end of the hollow interlayer (4) and is provided with a limiting plate (63), and the limiting plate (63) is fixed with the heat transfer rod (62).

4. A high temperature resistant double-walled wound pipe according to claim 1, wherein: a heat insulation layer (11) is arranged in the first sleeve (1), the heat insulation layer (11) is sleeved in the first sleeve (1), and the heat insulation layer (11) is fixed with the first sleeve (1).

5. A high temperature resistant double-walled wound pipe according to claim 4, wherein: filling cavity (111) have been seted up to the downside of insulating layer (11) vertical direction, be provided with cooling rod (12) in filling cavity (111) of insulating layer (11), cooling rod (12) roll and set up insulating layer (11) fill in cavity (111).

6. A high temperature resistant double-walled wound pipe according to claim 1, wherein: the heat dissipation device is characterized in that one side, deviating from the second sleeve (3), of the outer pipe (5) is provided with heat dissipation grooves (51), and the heat dissipation grooves (51) are uniformly arranged on the outer pipe (5) at intervals.