CN115419553A

CN115419553A - Tunnel frost damage prevention system

Info

Publication number: CN115419553A
Application number: CN202211053260.6A
Authority: CN
Inventors: 许宇; 李国良; 杨木高; 陈绍华; 朵生君; 陈花顺; 张景; 王占东; 张威; 赵宇豪; 郭利民
Original assignee: China Railway First Survey and Design Institute Group Ltd; China Railway Construction Corp Ltd CRCC
Current assignee: China Railway First Survey and Design Institute Group Ltd; China Railway Construction Corp Ltd CRCC
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-02
Anticipated expiration: 2042-08-31
Also published as: CN115419553B

Abstract

The utility model relates to a tunnel technical field that prevents frostbite especially relates to a tunnel prevents frostbite system, including a plurality of fan devices, still includes a plurality of water wheels devices, the setting of wind energy device and water wheels device can utilize the inside wind energy in tunnel and hydroenergy to convert mechanical energy into. One side of each fan device and each water wheel device is connected with an energy conversion device, and the energy conversion device is used for converting mechanical energy into electric energy. Be equipped with conductor wire and hoop blind pipe on the tunnel inner wall, be equipped with a plurality of heating wires in the hoop blind pipe, the conductor wire sets up with the laminating of hoop blind pipe to the conductor wire is connected with energy conversion device electricity, and the conductor wire still is connected with the heating wire electricity, through the heating wire with electric energy conversion for heat energy, the heating wire is used for the heat supply of hoop blind pipe. Through the heat supply of heating wire, can prevent that freeze injury from producing the flowing water not smooth in the tunnel, and then reach the purpose of avoiding destroying the lining cutting structure. In addition, the self-contained energy in the tunnel can be fully utilized, later-period cost investment is not needed, and the cost can be saved.

Description

Tunnel frost damage prevention system

Technical Field

The disclosure relates to the technical field of tunnel freezing prevention, in particular to a tunnel freezing damage prevention system.

Background

The temperature of the high-altitude area is low, and freeze injury is one of the common problems of the tunnel. And ice is hung on the top and the side walls of part of the tunnel all the year round, and water flowing in the ditch is not smooth after being frozen, so that the problems can not only damage the lining structure, but also endanger the driving safety.

The existing antifreezing and heat-insulating technology mainly comprises passive cold-proof measures and active heating measures:

passive cold-proof measures are generally like arranging an insulating layer along a lining, changing a common ditch into an insulating ditch, leading the drainage in a tunnel to a drainage tunnel or a central deep-buried ditch and the like, but the action effect of the lining insulating layer at a tunnel opening section is often not obvious, and additional engineering and cost are needed to be added when an independent drainage channel is arranged.

The active heating measures are generally manual heating methods, the action time of the method is limited, the freezing injury cannot be effectively prevented for a long time, and the manual heating methods need additional labor cost.

Disclosure of Invention

In order to solve the technical problem, the present disclosure provides a system for preventing frost damage of a tunnel.

The invention provides a tunnel frost damage prevention system which comprises a plurality of fan devices, wherein the fan devices are arranged on the inner wall of a tunnel and face a tunnel inlet, and the fan devices rotate under the action of tunnel wind;

the tunnel water-cooled generator is characterized by also comprising a plurality of water wheel devices, wherein the water wheel devices are all arranged in a ditch which is not frozen in the deep part of the tunnel, and water flow in the ditch of the tunnel drives the water wheel devices to rotate;

one side of each fan device and one side of each water wheel device are connected with an energy conversion device, each energy conversion device comprises a power generation assembly and a storage battery, the power generation assemblies are electrically connected with the storage batteries, the power generation assemblies generate current through the rotation of the fan devices and the rotation of the water wheel devices, and the current is stored in the storage batteries;

be provided with conductor wire and hoop blind pipe along the archwall on the tunnel inner wall, the hoop blind pipe is used for collecting the percolating water that the tunnel vault appears, and the conductor wire sets up with the laminating of hoop blind pipe to the conductor wire is connected with the battery electricity, is equipped with a plurality of heating wires in the hoop blind pipe, and the conductor wire still is connected with the heating wire electricity, and the heating wire is used for the heat supply of hoop blind pipe.

Optionally, a plurality of radiators are further installed in the annular blind pipe, the radiators are connected with the electric heating wires, and the radiators are used for diffusing heat generated by the electric heating wires.

Optionally, the fan device is provided with a plurality of sizes.

Optionally, the freezing damage section of the tunnel ditch is provided with a plurality of heating wires, and the electric lead is connected with the heating wires to heat the freezing damage section.

Optionally, a plurality of heating wires are arranged on one side of the central ditch and one side ditch of the tunnel, the heating wires are connected with the electric lead, and the heating wires are used for supplying heat to the central ditch and the side ditch.

Optionally, a plurality of radiators are further installed in the central ditch and the side ditches, the radiators are connected with the electric heating wires, and the radiators are used for dissipating heat.

Optionally, a heat insulation layer is wrapped on the surface of part of the circumferential blind pipe.

Optionally, the heat-insulating layer is made of glass wool heat-insulating material.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the utility model provides a system for preventing frost damage in tunnel, including a plurality of fan devices, the fan device rotates under the effect of tunnel wind. Still include a plurality of water wheels devices, the water wheels device all sets up in the ditch that does not take place the freeze injury in the tunnel depths, and rivers in the tunnel ditch drive water wheels device and rotate. The arrangement of the wind energy device and the water wheel device can fully utilize wind energy and water energy in the tunnel to convert the wind energy and the water energy into mechanical energy. One side of every fan device and every waterwheel device all is connected with energy conversion device, and energy conversion device includes power generation component and battery, and energy conversion device is used for converting mechanical energy into electric energy. Be provided with conductor wire and hoop blind pipe along the archwall on the tunnel inner wall, be equipped with a plurality of heating wires in the hoop blind pipe, the conductor wire sets up with the laminating of hoop blind pipe to the conductor wire is connected with the battery electricity, and the conductor wire still is connected with the heating wire electricity, converts electric energy into heat energy through the heating wire, and the heating wire is used for the heat supply of hoop blind pipe. Through the heat supply of heating wire, can prevent that freeze injury from producing the flowing water not smooth in the tunnel, and then reach the purpose of avoiding destroying the lining cutting structure. In addition, the method can fully utilize the resources in the tunnel, does not need later-stage cost investment, and can save cost.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is an overall structural view of a fan device according to an embodiment of the present disclosure;

FIG. 2 is an enlarged view of the water wheel apparatus of FIG. 1;

FIG. 3 is a schematic diagram illustrating the connection between a conductive wire and a circumferential blind pipe according to an embodiment of the disclosure;

fig. 4 is a schematic connection diagram of a fan device and an energy conversion device according to an embodiment of the disclosure.

Wherein, 1, a fan device; 2. a water wheel device; 3. an energy conversion device; 4. a conductive wire; 5. a circumferential blind pipe; 6. an electric heating wire; 7. a heat sink; 8. a central ditch; 9. side ditch.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

The present disclosure provides a tunnel frost damage prevention system, as shown in fig. 1, including a plurality of fan devices 1, a plurality of fan devices 1 are all set up at the inner wall in tunnel to fan device 1 is towards the tunnel entry, and fan device 1 rotates under the effect of tunnel wind. The fan device 1 is used for utilizing tunnel wind energy, natural wind can be formed all the year round in a tunnel, piston wind can be generated when a train runs, certain wind power mechanical energy is brought, the wind power mechanical energy can be utilized, and finally the effect of preventing frost damage is achieved.

Specifically, the fan devices 1 of a plurality of sizes are arranged according to the space inside the tunnel. In a tunnel, there are usually a plurality of spaces such as vehicle boundaries and evacuation channels, so that the space in which the fan device 1 can be installed is limited. In order to make the best use of the various clearances in the various locations in the tunnel, the fans need to be of a number of sizes, and the largest size of fan unit 1 is used in each possible installation location to achieve the best use of the wind energy.

As shown in fig. 1, a plurality of fan devices 1 are arranged along the inner wall of the tunnel in an arch shape. The fans arranged in an arched manner can be arranged on the same cross section of the tunnel, and wind energy at the entrance of the tunnel is fully utilized.

In this embodiment, still include a plurality of hydraulic turbine device 2, a plurality of hydraulic turbine device 2 all set up in the ditch of not taking place the freeze injury district section in the tunnel hole, and the freeze injury section of tunnel ditch sets up a plurality of heater strips, and the heater strip is connected to conductor wire 4 to the heating freeze injury section. The water flow in the tunnel ditch drives the water wheel device 2 to rotate. The water flows in the tunnel, and the water can be utilized to drive the water wheel device 2 to generate mechanical energy and finally generate heat energy, so that the effect of preventing frost damage is achieved.

In order to convert wind and water energy into heat energy, it is first converted into electric energy. In the present embodiment, as shown in fig. 2 and 4, an energy conversion device 3 is connected to one side of each fan device 1 and each water wheel device 2, the energy conversion device 3 includes a power generation assembly and a storage battery, the power generation assembly is electrically connected to the storage battery, the power generation assembly generates electric current by mechanical energy of rotation of the fan device 1 and rotation of the water wheel device 2, that is, generates electric energy by using wind energy and water energy, and the generated electric current is finally stored in the storage battery.

As shown in fig. 3, an electric lead 4 and a circumferential blind pipe 5 are arranged on the inner wall of the tunnel along the arch wall, the circumferential blind pipe 5 is used for collecting leakage water appearing on the arch crown of the tunnel, and when the air temperature is low, freezing damage often appears to influence the flow of water flow. Consequently, set up conductor wire 4 in one side of hoop blind pipe 5, conductor wire 4 sets up with the laminating of hoop blind pipe 5 to conductor wire 4 is connected with the battery electricity, is equipped with a plurality of heating wires 6 in the hoop blind pipe 5, and conductor wire 4 still is connected with 6 electricity of heating wire, and the electric energy in the battery passes through conductor wire 4 and is supplied power for heating wire 6, makes heating wire 6 generate heat, and heating wire 6 is used for the heat supply of hoop blind pipe 5.

In order to improve the efficiency of heat diffusion, a plurality of radiators 7 are further installed in the circumferential blind pipe 5, the radiators 7 are connected with the heating wires 6, and the radiators 7 are used for diffusing heat generated by the heating wires 6. The heat generated by the heating wire 6 reaches the heat sink 7, and the heat sink 7 diffuses the heat.

In this embodiment, one side of the central and

side gutters

8 and 9 of the tunnel is provided with a plurality of heating wires 6, the heating wires 6 are connected with the conductive wires 4, and the heating wires 6 are used for supplying heat to the central and

side gutters

8 and 9. In addition to the water flow in the circumferential blind pipe 5 being susceptible to freezing damage, the water flow in the tunnel ditch is also susceptible to freezing damage. Therefore, the electric heating wires 6 are further installed in the central ditch 8 and the side ditches 9, and the electric energy converted from the mechanical energy generated by the fan device 1 and the water wheel device 2 reaches the electric heating wires 6 through the electric lead wires 4, so that the electric heating wires 6 work to ensure that the water flow in the central ditch 8 and the side ditches 9 can normally flow, and then the electric energy is regenerated through the water flow in the tunnel ditches, thereby achieving virtuous cycle.

Also, in order to improve the efficiency of the heat cycle, a plurality of radiators 7 are installed in the central gutter 8 and the side gutters 9, the radiators 7 are connected to the heating wires 6, and the radiators 7 are used to dissipate heat. The heat generated by the heating wire 6 reaches the heat sink 7, and the heat sink 7 diffuses the heat.

In this embodiment, a part of the ring is wrapped with an insulating layer on the surface of the blind pipe 5. Specifically, the part provided with the heating wire 6 is wrapped with a heat preservation layer to prevent heat loss.

Specifically, the heat-insulating layer is made of glass wool heat-insulating material. The glass wool thermal insulation material has the advantages of good thermal stability, good flame retardance, strong hydrophobicity, no toxicity, corrosion resistance and light weight, and is very suitable for being used in the annular blind pipe 5.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tunnel frost damage prevention system is characterized by comprising a plurality of fan devices (1), wherein the fan devices (1) are arranged on the inner wall of a tunnel, the fan devices (1) face the entrance of the tunnel, and the fan devices (1) rotate under the action of tunnel wind;

the tunnel water-cooled tunnel is characterized by further comprising a plurality of water wheel devices (2), wherein the water wheel devices (2) are all arranged in a ditch which is deep in the tunnel and is not frozen, and water flow in the tunnel ditch drives the water wheel devices (2) to rotate;

one side of each fan device (1) and one side of each water wheel device (2) are connected with an energy conversion device (3), each energy conversion device (3) comprises a power generation assembly and a storage battery, each power generation assembly is electrically connected with the storage battery, each power generation assembly generates current through the rotation of the fan device (1) and the rotation of the water wheel device (2), and the current is stored in the storage battery;

be provided with conductor wire (4) and hoop blind pipe (5) along the archwall on the tunnel inner wall, hoop blind pipe (5) are used for collecting the percolating water that the tunnel vault appears, conductor wire (4) and hoop blind pipe (5) laminating setting, and conductor wire (4) with the battery electricity is connected, be equipped with a plurality of heating wires (6) in hoop blind pipe (5), conductor wire (4) still with heating wire (6) electricity is connected, heating wire (6) are used for doing hoop blind pipe (5) heat supply.

2. The system for preventing tunnel freezing according to claim 1, wherein a plurality of radiators (7) are further installed in the circumferential blind pipe (5), and the radiators (7) are connected with the heating wires (6), and the radiators (7) are used for diffusing heat generated by the heating wires (6).

3. The system for preventing tunnel frost damage according to claim 1, wherein fan means (1) of a plurality of sizes are arranged according to the space inside the tunnel.

4. The tunnel freezing damage prevention system according to claim 1, wherein a plurality of heating wires are provided at the freezing section of the tunnel ditch, and the electric wires (4) are connected to the heating wires to heat the freezing section.

5. The system for preventing tunnel freezing according to claim 1, wherein a plurality of heating wires (6) are provided at one side of the central gutter (8) and the side gutters (9) of the tunnel, the heating wires (6) are connected with the conductive wires (4), and the heating wires (6) are used for supplying heat to the central gutter (8) and the side gutters (9).

6. The tunnel frost damage prevention system according to claim 5, wherein a plurality of radiators (7) are further installed in the central ditch (8) and the side ditches (9), the radiators (7) are connected with the heating wires (6), and the radiators (7) are used for dissipating heat.

7. The system for preventing tunnel frost damage according to claim 1, wherein a part of the circumferential blind pipe (5) is coated with an insulating layer.

8. The system of claim 7, wherein the insulation layer is glass wool insulation.