CN210858809U

CN210858809U - Tunnel graphite alkene heating drainage structures

Info

Publication number: CN210858809U
Application number: CN201921941151.1U
Authority: CN
Inventors: 吕崇瑜
Original assignee: Henan Luoene Nano Materials Co ltd
Current assignee: Henan Luoene Nano Materials Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-26
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a tunnel graphene heating and drainage structure, which comprises a drainage groove formed along the circumferential direction of the inner surface of a tunnel wall and a drainage pipe positioned in the drainage groove, wherein a graphene heat tracing band is laid on the inner side of the drainage groove, the graphene heat tracing band is laid inside the drainage groove to form a channel with a U-shaped section, and the drainage pipe is positioned on the inner side of the channel and connected with the graphene heat tracing band; the graphene heat tracing band is composed of a heating part, a positive electrode electric connection part located at one end of the heating part and a negative electrode electric connection part located at the other end of the heating part, and a heat insulation layer is bonded on one side surface of the heating part. Has the advantages that: the graphene heat tracing band is arranged in the drainage groove to surround the drainage pipe, so that the installation is convenient, the interior of the drainage pipe can be prevented from being frozen by electrifying and heating, and the flow guide performance of the drainage pipe is improved; the graphene heat tracing band is adopted for heating, so that the heating efficiency is high, and the waste of electric energy is reduced.

Description

Tunnel graphite alkene heating drainage structures

Technical Field

The utility model relates to a tunnel protection technical field, concretely relates to tunnel graphite alkene heating drainage structures.

Background

The tunnel top often appears the infiltration, in order to prevent that the infiltration drippage from leading to ponding on the road surface, need derive the infiltration of tunnel roof with the aqueduct. In winter in the north, because the temperature in the tunnel is low, the seepage water is easy to freeze at the top of the tunnel and the inside of the aqueduct, and the subsequent seepage water discharge is influenced. In the prior art, the anti-icing method is to install an electric heating wire in a groove for distributing a water conduit, and to raise the temperature of the water conduit by electrifying and heating, thereby preventing the interior of the water conduit from being frozen. When the method is adopted, only partial area in the water conduit is heated due to uneven temperature of the electric heating wire, and the water flow space is smaller; and because the electric heating wire can not directly contact with the water guide pipe, the heat is more dissipated, and a large amount of electric energy is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tunnel graphite alkene heating drainage structures just in order to solve above-mentioned problem, the utility model provides an among a great deal of technical scheme preferred technical scheme have: through set up graphite alkene companion tropical in the drain pipe outside, can improve the drain pipe temperature, prevent to freeze, enlarge the route of flowing water to easy to assemble, technical effect such as energy-concerving and environment-protective sees the explanation below for details.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a tunnel graphite alkene heating drainage structures, including the water drainage tank of surface circumference shaping along the tunnel wall and the drain pipe that is located this water drainage tank, graphite alkene tracing band has been laid to the water drainage tank inboard, graphite alkene tracing band lays and forms a cross-section U type passageway behind the water drainage tank inside, the drain pipe is located the passageway inboard and meets with graphite alkene tracing band;

the graphene heat tracing band is composed of a heating part, a positive electrode electric connection part located at one end of the heating part and a negative electrode electric connection part located at the other end of the heating part, wherein a heat insulation layer is bonded on the surface of one side of the heating part, and the heat insulation layer is attached to the inner wall of the drainage groove.

Preferably, the heating part comprises an upper insulating layer, a lower insulating layer and a graphene strip clamped between the upper insulating layer and the lower insulating layer, the graphene strip is provided with a plurality of strips, and two ends of each graphene strip are respectively connected with the positive electrode electricity connection part and the negative electrode electricity connection part.

Preferably, a heat equalizing portion is disposed between the upper insulating layer and the lower insulating layer, and the heat equalizing portion is attached to the graphene tape.

Preferably, a guide groove is formed in the soaking part, and the graphene strip is located in the guide groove so that the graphene strip is not connected with the upper insulating layer and the lower insulating layer.

Preferably, the soaking part is a heat conducting pad, and the upper surface of the soaking part is bonded to the upper insulating layer and the lower surface of the soaking part is bonded to the lower insulating layer.

Preferably, the heat insulation layer is made of foam paper, and aluminum silicate cloth is bonded and fixed on the surface of the heat insulation layer.

Preferably, the upper insulating layer and the lower insulating layer are both polyimide films.

To sum up, the utility model has the advantages that: 1. the graphene heat tracing band is arranged in the drainage groove to surround the drainage pipe, so that the installation is convenient, the interior of the drainage pipe can be prevented from being frozen by electrifying and heating, and the flow guide performance of the drainage pipe is improved;

2. the graphene heat tracing band is adopted for heating, so that the heating efficiency is high, and the waste of electric energy is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of part A in FIG. 1;

fig. 3 is a schematic cross-sectional structure of the present invention;

fig. 4 is a schematic structural view of the graphene heat tracing band of the present invention;

fig. 5 is a partial cross-sectional structural view of fig. 4.

The reference numerals are explained below:

1. a tunnel wall; 2. a water discharge tank; 3. a drain pipe; 4. a graphene tracing band; 41. a heat generating portion; 41a, an upper insulating layer; 41b, a soaking part; 41c, a lower insulating layer; 41d, a heat insulation layer; 41e, graphene tape; 41f, a guide groove; 42. a positive electrode connecting part; 43. and a negative electrode connecting part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a tunnel graphite alkene heating drainage structure, include along the fashioned water drainage tank 2 of tunnel wall 1 internal surface circumference and the drain pipe 3 that is located this water drainage tank 2, graphite alkene heat tracing band 4 has been laid to water drainage tank 2 inboard, graphite alkene heat tracing band 4 forms a cross-section U type's passageway after laying inside water drainage tank 2, drain pipe 3 is located the passageway inboard and meets with graphite alkene heat tracing band 4, generates heat after energizing graphite alkene heat tracing band 4, can improve drain pipe 3 temperature to prevent that drain pipe 3 is inside from freezing; the graphene heat tracing band 4 comprises a heating part 41, a positive electrode connecting part 42 positioned at one end of the heating part 41 and a negative electrode connecting part 43 positioned at the other end of the heating part 41, wherein a heat insulation layer 41d is adhered to one side surface of the heating part 41, the heat insulation layer 41d is adhered to the inner wall of the drainage groove 2, the heat insulation layer 41d is arranged between the heating part 41 and the inner wall of the drainage groove 2, the heat transfer from the heating part 41 to the drainage groove 2 can be reduced, the heat is concentrated on one side of the drainage pipe 3, the temperature in the drainage pipe 3 is increased, the icing of the drainage pipe 3 is prevented, the graphene heat tracing band 4 is connected with a temperature control switch, and the heating.

As an alternative embodiment, the heating portion 41 includes an upper insulating layer 41a, a lower insulating layer 41c, and a graphene strip 41e sandwiched therebetween, the graphene strip 41e is provided with a plurality of strips, and both ends of each graphene strip 41e are respectively connected to the positive electrical connection portion 42 and the negative electrical connection portion 43; a soaking part 41b is arranged between the upper insulating layer 41a and the lower insulating layer 41c, and the soaking part 41b is attached to the graphene tape 41 e; a guide groove 41f is formed in the soaking part 41b, and the graphene strip 41e is located in the guide groove 41f, so that the graphene strip 41e is not connected with the upper insulating layer 41a and the lower insulating layer 41 c; the soaking part 41b is a heat conducting pad, the upper surface of the soaking part 41b is bonded to the upper insulating layer 41a, and the lower surface is bonded to the lower insulating layer 41 c; set up even heat portion 41b after, graphite alkene area 41e circular telegram is generated heat, and with heat diffusion to whole heat absorption portion behind the heat absorption of even heat portion 41b, heat diffusion process is similar with the heat conduction pad heat dissipation to play the even heat effect, the heat transmits to drain pipe 3 through even heat portion 41b and last insulating layer 41a, thereby improves the inside temperature of drain pipe 3, prevents that drain pipe 3 is inside to freeze

The heat insulation layer 41d is made of foam paper, aluminum silicate cloth is fixedly bonded on the surface of the heat insulation layer 41d, the aluminum silicate cloth has good fireproof and heat insulation effects, and the heat loss of the graphene heat tracing band 4 to the interior of the drainage groove 2 after heating can be reduced, so that the energy waste is reduced;

the upper insulating layer 41a and the lower insulating layer 41c are both polyimide films, and polyimide has excellent thermal stability, chemical corrosion resistance and mechanical properties, so that the mechanical properties and heat resistance of the graphene heat tracing band 4 are improved.

The graphene heat tracing band 4 is arranged in the drainage groove 2 to surround the drainage pipe 3, so that the installation is convenient, the interior of the drainage pipe 3 can be prevented from being frozen by electrifying and heating, and the flow guide performance of the drainage pipe 3 is improved; the graphene heat tracing band 4 is adopted for heating, so that the heating efficiency is high, and the waste of electric energy is reduced.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The tunnel graphene heating and drainage structure is characterized by comprising a drainage groove (2) formed along the circumferential direction of the inner surface of a tunnel wall (1) and a drainage pipe (3) positioned in the drainage groove (2), wherein a graphene heat tracing band (4) is laid on the inner side of the drainage groove (2), the graphene heat tracing band (4) is laid inside the drainage groove (2) to form a channel with a U-shaped section, and the drainage pipe (3) is positioned on the inner side of the channel and connected with the graphene heat tracing band (4);

the graphene heat tracing band (4) is composed of a heating part (41), a positive electrode electric connection part (42) located at one end of the heating part (41) and a negative electrode electric connection part (43) located at the other end of the heating part (41), a heat insulation layer (41d) is adhered to one side surface of the heating part (41), and the heat insulation layer (41d) is attached to the inner wall of the drainage groove (2).

2. The tunnel graphene heating and water draining structure according to claim 1, wherein: the heating part (41) comprises an upper insulating layer (41a), a lower insulating layer (41c) and a graphene strip (41e) clamped between the upper insulating layer and the lower insulating layer, wherein the graphene strip (41e) is provided with a plurality of strips, and each strip is connected with the positive electrode connecting part (42) and the negative electrode connecting part (43) at two ends of the graphene strip (41e) respectively.

3. The tunnel graphene heating and water draining structure according to claim 2, wherein: a heat equalizing portion (41b) is arranged between the upper insulating layer (41a) and the lower insulating layer (41c), and the heat equalizing portion (41b) is attached to the graphene strip (41 e).

4. The tunnel graphene heating and water draining structure according to claim 3, wherein: a guide groove (41f) is formed in the heat equalizing portion (41b), and the graphene strip (41e) is located in the guide groove (41f) so that the graphene strip (41e) is not connected with the upper insulating layer (41a) and the lower insulating layer (41 c).

5. The tunnel graphene heating and water draining structure according to claim 3, wherein: the heat equalizing part (41b) is a heat conducting pad, and the upper surface of the heat equalizing part (41b) is bonded with the upper insulating layer (41a), and the lower surface of the heat equalizing part (41b) is bonded with the lower insulating layer (41 c).

6. The tunnel graphene heating and water draining structure according to claim 3, wherein: the upper insulating layer (41a) and the lower insulating layer (41c) are both polyimide films.

7. The tunnel graphene heating and water draining structure according to claim 1, wherein: the heat insulation layer (41d) is made of foam paper, and aluminum silicate cloth is adhered and fixed on the surface of the heat insulation layer (41 d).