Movable tunnel cooling system

Abstract

The utility model provides a movable tunnel cooling system which comprises a cooling device arranged on a crawler machine. Wherein the cooling device comprises a water cooling device and a line pipe reel assembly; and the line pipe coiling assembly is used for coiling a pipeline and a cable in the water cooling device and shrinking or extending the pipeline and the cable in the water cooling device along with the movement of the crawler machine. The cooling device is fixedly installed on the crawler machine and can be conveniently moved into the underground space through the crawler machine, the cooling device can follow large equipment, the application range is wide, the temperature in a tunnel can be effectively reduced, the construction environment can be effectively improved, the physical and psychological health of operators is guaranteed, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a mobile tunnel cooling system. Background Art

[0002] In the construction of underground tunnel projects, a large amount of heat is generated due to the use of various large equipment such as tunnel boring machines and excavators to cut rock layers. At the same time, the temperature in the construction area is often above 40°C in a small underground environment, which makes the construction workers work in the heat, greatly affecting the physical and mental health of the workers and the efficiency of the project construction. In the related technology, because the cooling device cannot move forward with the large equipment, it is impossible to install the cooling device on most tunnel construction equipment. At present, in the process of tunnel construction, the cooling device is mainly fixed on the shield machine. The cooling device mainly includes water-cooled main machine, evaporator, cold water tank, circulating water pump and other components to take away the heat in the tunnel to achieve the cooling effect. However, the cooling device can only be fixed on the shield machine at present. For cantilever machines and excavators for tunnel construction projects, it is impossible to install air conditioning systems, so effective cooling of the tunnel cannot be achieved. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems in the related art to a certain extent. To this end, the purpose of the utility model is to propose a mobile tunnel cooling system, which can be easily moved to the underground space by fixing a cooling device on a crawler machine, so that the cooling device can follow large equipment, is widely applicable, can effectively reduce the temperature in the tunnel, improve the construction environment, protect the physical and mental health of workers, and improve construction efficiency.

[0004] In order to achieve the above-mentioned object, the utility model proposes a mobile tunnel cooling system, comprising: a cooling device arranged on a crawler machine; wherein the cooling device comprises a water cooling device and a wire pipe reel assembly; the wire pipe reel assembly is used to reel the pipes and cables in the water cooling device, and to shrink or extend the pipes and cables in the water cooling device as the crawler machine moves;

[0005] The water cooling device includes a water cooling main unit, a cold water tank, a cold water circulation loop composed of an evaporator, an air supply component and a cooling tower; wherein the water cooling main unit is connected to the cooling tower, and the cold water in the cooling tower is cooled and then transported to the cold water tank; the cold water absorbs the heat of the air in the tunnel in the evaporator to generate cold air; the air supply component is connected to the evaporator, and is used to blow the cold air to the working area of ​​the tunnel for cooling; the cold water output by the evaporator is passed into the cooling tower after passing through the water cooling main unit.

[0006] In some embodiments, a pump is provided on the cold water circulation loop; the pump comprises a cold water circulation pump, which is provided between the cold water tank and the evaporator.

[0007] In some embodiments, the pump component further includes a return water booster pump, which is disposed between the water-cooled main unit and the cooling tower and is used to boost the pressure of cooling water that is transported back from the water-cooled main unit to the cooling tower.

[0008] In some embodiments, the air supply assembly includes an air duct filter and a fan; wherein the air duct filter filters the gas in the tunnel and then the gas is transported to the evaporator by the fan and becomes cold air after heat exchange with cold water.

[0009] In some embodiments, the cold water circulation loop is connected by a liquid pipe; the fan and the evaporator are connected by an air duct; the water-cooled host, the evaporator and the air supply component are all connected to a power supply via the cable.

[0010] In some embodiments, the wire pipe reel assembly includes a first pipe rack and a second pipe rack; the first pipe rack is used to coil the liquid pipe and the air duct; the second pipe rack is used to coil the electrical cable.

[0011] In some embodiments, the evaporator includes a plurality of air outlets for blowing the cold air in various directions within the tunnel working area.

[0012] In some embodiments, the water-cooling main unit is fixed on the platform of the crawler machine; the evaporator is fixed on the platform of the crawler machine by a fixing frame and is located on one side of the water-cooling main unit.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0015] Figure 1 It is a structural schematic diagram of a mobile tunnel cooling system proposed in one embodiment of the utility model;

[0016] Figure 2 yes Figure 1 Schematic diagram from another perspective;

[0017] Figure 3 It is a working principle diagram of a mobile tunnel cooling system proposed in one embodiment of the utility model.

[0018] In the figure, 1. crawler machine; 2. water-cooled main unit; 3. cold water tank; 4. evaporator; 5. cooling tower; 6. cold water circulation pump; 7. return water booster pump; 8. air duct filter; 9. fan; 10. first pipe rack; 11. second pipe rack; 12. fixed rack. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents that fall within the spirit and connotation of the appended claims.

[0020] See also Figure 1 The utility model proposes a mobile tunnel cooling system, comprising: a cooling device and a crawler machine 1; wherein the cooling device is arranged on the crawler machine 1; wherein the cooling device comprises a water cooling device and a wire pipe reel assembly; the wire pipe reel assembly is used to reel the pipes and cables in the water cooling device, and the pipes and cables in the water cooling device are contracted or extended as the crawler machine 1 moves. The water cooling device comprises a water cooling main unit 2, a cold water tank 3, an evaporator 4, a cold water circulation loop, an air supply assembly and a cooling tower 5; wherein the water cooling main unit 2 is connected to the cooling tower 5, and the cold water in the cooling tower 5 is cooled and then transported to the cold water tank 3; the cold water absorbs the heat of the air in the tunnel in the evaporator 4 to generate cold air; the air supply assembly is connected to the evaporator 4, and is used to blow the cold air to the tunnel working area for cooling; the cold water output by the evaporator 4 is passed into the cooling tower 5 after passing through the water cooling main unit 2.

[0021] The mobile tunnel cooling system includes a cooling device and a crawler 1, wherein the cooling device includes a water cooling device and a wire tube reel assembly; the water cooling device includes a water cooling main unit 2, a cold water tank 3, and a cold water circulation loop composed of an evaporator 4, an air supply assembly, and a cooling tower 5; wherein the water cooling main unit 2, the cold water tank 3, and the evaporator 4 are connected by a liquid pipe to realize the circulation of cold water in the cold water circulation loop, that is, the water cooling main unit 2 is connected to the cooling tower 5, and the cold water in the cooling tower 5 is cooled and then transported to the cold water tank 3; the cold water is buffered and stored in the cold water tank 3. When the cold water in the cold water tank 3 is output to the evaporator 4, the cold water absorbs the heat of the air in the tunnel in the evaporator 4, so that the air is cooled and cold air is generated, and the air supply assembly is connected to the evaporator 4 to blow the cold air to the tunnel working area for cooling; the cold water after absorbing heat is output through the evaporator 4 and then flows back to the water cooling main unit 2, and finally passes into the cooling tower 5.

[0022] Examples include Figure 1-Figure 2As shown, the water-cooled main unit 2 is fixed on the platform of the crawler machine 1 by bolt connection; the evaporator 4 is fixed on the platform of the crawler machine 1 by a fixing frame 12 and is located on one side of the water-cooled main unit 2, and the fixing frame 12 in the example is fixed on the platform of the crawler machine 1 by bolt connection. The air supply assembly is adjacent to the evaporator 4; the cold water tank 3 and the wire pipe reel assembly are also arranged on the platform of the crawler machine 1. It should be explained that the cold water circulation loop is connected by a liquid pipe; the air supply assembly and the evaporator 4 are connected by an air duct; each electrical device, such as the water-cooled main unit 2, the evaporator 4 and the air supply assembly, are connected to the power supply through a cable, so the wire pipe reel assembly is used to reel the pipes and cables in the water cooling device, and to shrink or extend the pipes and cables in the water cooling device as the crawler machine 1 moves.

[0023] Therefore, in this embodiment, the crawler machine can be easily moved to the underground tunnel space, and the cooling device is fixed on the platform of the crawler machine 1, so that the cooling device can follow the large equipment, and is widely applicable. It can effectively reduce the temperature in the tunnel, improve the construction environment, protect the physical and mental health of the workers, and improve the construction efficiency. In addition, those skilled in the art should know that in order to ensure the stable movement of the crawler machine on uneven terrain, this requires precise control of the weight distribution. After the cooling device is added to this embodiment, the weight distribution of the crawler machine will change, and the center of gravity of the crawler machine needs to be readjusted; in addition, the crawler machines commonly used in this field are relatively compact. The setting of this embodiment makes a compact design for the spatial layout of the crawler machine and the cooling device, and fully considers the adaptation problem between the cooling device and the crawler machine to ensure the normal operation of the system.

[0024] In some embodiments, a pump is provided on the cold water circulation loop; the pump comprises a cold water circulation pump 6 , which is provided between the cold water tank 3 and the evaporator 4 .

[0025] The cold water needs to be powered when circulating in the cold water circulation loop, so a pump is provided on the cold water circulation loop. The pump in the example includes a cold water circulation pump 6, which is arranged between the cold water tank 3 and the evaporator 4, and the operation and shutdown of the cold water tank 3 and the cold water circulation pump 6 can be controlled by the water-cooled host 2. In addition, in some embodiments, the pump also includes a return water booster pump 7, which is arranged between the water-cooled host 2 and the cooling tower 5, and is used to boost the cooling water sent back from the water-cooled host 2 to the cooling tower 5.

[0026] Therefore, in this embodiment, the cold water is powered by the return water booster pump 7 and the cold water circulation pump 6 to circulate. Figure 3The cold water flowing in the cooling tower 5 is further cooled by the water cooling host 2 and then flows to the cold water tank 3 for buffer storage. The water cooling host 2 controls the operation and shutdown of the cold water tank 3 and the cold water circulation pump 6. The cold water in the cold water tank 3 can flow through the evaporator 4 to absorb the heat in the air to generate cold air. The air supply component blows the cold air to the working area for cooling. The cold water that absorbs the heat is transported to the cooling tower 5 for cooling through the return water booster pump 7, and this cycle is repeated. The whole process is controlled by the water cooling host 2, using a modular control system, high-precision data processing and advanced protection algorithms, with high protection accuracy, fast response speed and good cooling effect.

[0027] In some embodiments, the air supply assembly includes an air duct filter 8 and a fan 9; wherein the air duct filter 8 filters the gas in the tunnel and then transports it to the evaporator 4 through the fan 9, and becomes cold air after heat exchange with cold water.

[0028] Among them, the air supply component includes an air duct filter 8 and a fan 9, and the air duct filter 8 and the fan 9 are connected. After the air duct filter 8 filters the gas in the tunnel, the fan 9 is used to transport the filtered gas to the evaporator 4, and after heat exchange with the cold water in the evaporator 4, it becomes cold air; wherein the evaporator 4 includes a plurality of air outlets, and the cold air is blown from the plurality of air outlets to all directions in the working area of ​​the tunnel, which can effectively reduce the temperature in the tunnel, improve the construction environment, ensure the physical and mental health of the workers, and improve the construction efficiency.

[0029] In some embodiments, the wire pipe reel assembly includes a first pipe rack 10 and a second pipe rack 11; the first pipe rack 10 is used to coil the liquid pipe and the air pipe; the second pipe rack 11 is used to coil the electric cable.

[0030] The wire pipe reel assembly includes a first pipe rack 10 and a second pipe rack 11. As can be seen from the above embodiments, the water cooling device includes an air duct for gas delivery, a liquid pipe for cold water delivery, and cables for connecting various electrical components to power supplies; therefore, the wire pipe reel assembly separates the reels of the pipes and cables, and is used to first shut down the water cooling host 2 and the fan 9 when the cooling system needs to be followed up when the tunnel is excavated forward. The reels of the cable reel, liquid pipe, and air duct can be scaled to adapt to the forward movement of the crawler machine 1.

[0031] The method of using the mobile tunnel cooling system in this embodiment is as follows: first start the crawler machine 1, move the mobile tunnel cooling system into the tunnel, connect the cables, liquid pipes and air ducts, and provide power and cold water. After turning on the fan 9, start the water cooling host 2, and after setting the cooling temperature, control the normal operation and shutdown of the cold water tank 3 and the cold water circulation pump 6 to perform cooling and cooling work. When the cooling system needs to follow up during the tunnel excavation, first turn off the water cooling host 2 and the fan 9, and the crawler machine 1 can be adapted to move forward by scaling the wire pipe reel assembly.

[0032] It should be noted that, in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

[0033] Any process or method description in the flowchart or otherwise described herein may be understood to represent a module, fragment or portion of code that includes one or more executable instructions for implementing the steps of a specific logical function or process, and the scope of the preferred embodiments of the present invention includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of the present invention belong.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A mobile tunnel cooling system, characterized in that: include: A cooling device is provided on the crawler machine; wherein the cooling device comprises a water cooling device and a wire pipe reel assembly; the wire pipe reel assembly is used to reel the pipes and cables in the water cooling device, and to shrink or extend the pipes and cables in the water cooling device as the crawler machine moves; The water cooling device includes a water cooling main unit, a cold water tank, a cold water circulation loop composed of an evaporator, an air supply component and a cooling tower; wherein the water cooling main unit is connected to the cooling tower, and the cold water in the cooling tower is cooled and then transported to the cold water tank; the cold water absorbs the heat of the air in the tunnel in the evaporator to generate cold air; the air supply component is connected to the evaporator, and is used to blow the cold air to the working area of ​​the tunnel for cooling; the cold water output by the evaporator is passed into the cooling tower after passing through the water cooling main unit.

2. The mobile tunnel cooling system according to claim 1, characterized in that: The cold water circulation loop is provided with a pump component; the pump component comprises a cold water circulation pump, which is arranged between the cold water tank and the evaporator.

3. The mobile tunnel cooling system according to claim 2, characterized in that: The pump component also includes a return water booster pump, which is arranged between the water-cooled main unit and the cooling tower and is used to boost the pressure of cooling water that is transported back from the water-cooled main unit to the cooling tower.

4. The mobile tunnel cooling system according to any one of claims 1 to 3, characterized in that: The air supply assembly includes an air duct filter and a fan; wherein the air duct filter filters the gas in the tunnel and then the gas is transported to the evaporator by the fan, and becomes cold air after heat exchange with cold water.

5. The mobile tunnel cooling system according to claim 4, characterized in that: The cold water circulation loop is connected by a liquid pipe; the fan and the evaporator are connected by an air duct; the water-cooled host, the evaporator and the air supply component are all connected to a power supply via the cable.

6. The mobile tunnel cooling system according to claim 5, characterized in that: The wire pipe reel assembly includes a first pipe rack and a second pipe rack; the first pipe rack is used to coil the liquid pipe and the air duct; the second pipe rack is used to coil the cable.

7. The mobile tunnel cooling system according to claim 4, characterized in that: The evaporator comprises a plurality of air outlets for blowing the cold air in various directions within the tunnel working area.

8. The mobile tunnel cooling system according to claim 4, characterized in that: The water-cooling main unit is fixed on the platform of the crawler machine; the evaporator is fixed on the platform of the crawler machine by a fixing frame and is located on one side of the water-cooling main unit.

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