Mine underground cooling device

Abstract

The utility model discloses a mine underground cooling device which comprises an air bellow, a condenser is arranged in the air bellow, an installation cover is arranged at one end of the air bellow, a fan assembly is arranged in the installation cover, an air outlet cylinder is installed at the other end of the air bellow, a water spraying mechanism is installed on the outer side of the air outlet cylinder, and a bottom plate is installed on the lower side of the air bellow. A water tank is arranged at the upper end of the bottom plate. According to the underground cooling device for the mine, airflow is introduced into the air bellow through the fan assembly, the airflow in the air bellow is sent out through the air outlet cylinder, and the interior of the mine is cooled; the air flow introduced into the air bellow by the fan assembly is in contact with the condensing pipe of the condenser to generate heat exchange when penetrating through the condenser, so that the air flow is cooled, and the cooling effect of air cooling is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine shaft construction, and specifically relates to a mine shaft cooling device. Background Art

[0002] When mining coal in a coal mine shaft, cooling is crucial, which is related to the safety and health of miners. As the mining depth increases, the temperature in the mine shaft may be as high as over 30 °C, increasing the risk of heat stress diseases such as heat stroke and eczema. Moreover, reducing the underground temperature can significantly improve the working environment of miners, reduce discomfort and fatigue caused by high temperature, and thus improve work efficiency.

[0003] The utility model patent with the authorized publication number of CN218376546U in China discloses a precise cooling device for coal mine underground, which relates to the technical field of coal mining equipment, including a bottom plate. Symmetrically arranged L-shaped brackets are provided on the top of the bottom plate. The same support rod is vertically hinged between the L-shaped brackets. An adjusting structure for controlling the rotation of the support rod is provided at the bottom of the support rod. A walking component is provided at the bottom of the bottom plate. A filter hood is provided at the top of the support rod. A motor is horizontally arranged at the center of one side of the filter hood. An exhaust component is connected to the opening side of the filter hood. A filtering component is provided inside the filter hood.

[0004] The above device mainly cools the underground of the mine shaft through single air cooling. However, due to the relatively high temperature in the mine shaft itself, the air temperature in the mine shaft is increased. After the air flow temperature rises, the cooling effect of air cooling is extremely limited. Therefore, a mine shaft cooling device is proposed to solve the above problems. Content of the Utility Model

[0005] In view of the deficiencies of the prior art, the utility model provides a mine shaft cooling device with the aim of solving the above problems.

[0006] To achieve the above object, the utility model provides the following technical solutions:

[0007] A mine shaft cooling device, a wind box, which is internally provided with a condenser, includes:

[0008] One end of the wind box is provided with a mounting cover, and a fan assembly is arranged inside the mounting cover. The other end of the wind box is installed with an air outlet cylinder, and a water spraying mechanism is installed on the outer side of the air outlet cylinder. The lower side of the wind box is installed with a bottom plate, and a water tank is arranged at the upper end of the bottom plate.

[0009] Preferably, an installation ring is fixed on the outer end of the mounting cover close to the wind box, and a plurality of threaded holes are annularly formed inside the installation ring.

[0010] Preferably, a driving motor is arranged on the mounting cover, and the fan assembly is connected to the output shaft of the driving motor through a driving rod;

[0011] A number of dust-proof nets are arranged in a ring shape on the outer side of the driving motor, and the dust-proof nets are fixed on the mounting cover.

[0012] Preferably, a support collar is arranged at one end of the outer side of the fan assembly close to the driving motor. The support collar is fixed inside the mounting cover through a number of support rods, and the output rod of the fan assembly is rotatably connected to the inside of the support collar.

[0013] Preferably, an outer ring is fixed at the air outlet of the air outlet cylinder, and a dust-proof net is arranged inside the outer ring.

[0014] Preferably, the water spraying mechanism includes a water delivery ring fixed at the outer end of the air outlet cylinder. A water delivery cavity is arranged inside the water delivery ring. One side of the outer end of the water delivery ring is fixed with a water delivery pipe. The water delivery pipe is communicated with the water delivery cavity of the water delivery ring. The water delivery pipe penetrates through the outer ring. The water outlet end of the water delivery pipe is connected with a spray head, and the spray head faces the center of the outer ring;

[0015] The water delivery pipe and the corresponding spray heads are all arranged in a number. The number of the spray heads is evenly distributed at equal angles with respect to the central axis of the air outlet cylinder.

[0016] Preferably, a submersible pump fixed at the upper end of the air box is arranged inside the water tank. The water inlet end of the submersible pump is connected with a suction pipe. The water outlet end of the submersible pump is connected with a delivery pipe. The other end of the delivery pipe is connected with the water delivery ring and is communicated with the water delivery cavity of the water delivery ring.

[0017] Preferably, moving wheels are arranged at the bottom of the bottom plate. The moving wheels are self-locking moving wheels. A push handle fixed to the bottom plate is arranged on the outer side of the air box.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] A mine shaft cooling device provided by the utility model passes air into the air box through a fan assembly, and the air outlet cylinder sends out the air inside the air box to cool the mine shaft. By using a condenser arranged inside the air box, the air passing through the fan assembly into the air box generates heat exchange by contacting the condensing pipes of the condenser when passing through the condenser, so as to cool the air and improve the cooling effect of air cooling;

[0020] The water spraying mechanism arranged on the outer side of the air outlet cylinder is used to spray water mist to moisten the air blown out by the air outlet cylinder, so as to avoid the cooled cold air from being too dry. A water tank is arranged at the upper end of the bottom plate, and the water tank can supply water to the water spraying mechanism to supplement the water required for the operation of the water spraying mechanism. Description of the Drawings

[0021] Figure 1This is a schematic three-dimensional structure diagram of the whole utility model;

[0022] Figure 2 This is a schematic three-dimensional structure diagram of the installation cover and the fan assembly of the utility model;

[0023] Figure 3 This is a schematic cross-sectional structure diagram of the utility model;

[0024] Figure 4 This is the utility model Figure 3 The enlarged structure diagram at position A in it.

[0025] In the figure: 1, air box; 11, push handle; 2, water tank; 21, submersible pump; 22, extraction pipe; 23, delivery pipe; 3, bottom plate; 31, moving wheel; 4, condenser; 5, installation cover; 51, installation ring; 6, fan assembly; 61, drive motor; 7, support collar; 71, support rod; 8, air outlet cylinder; 81, outer ring; 9, water spraying mechanism; 91, water supply ring; 92, water supply pipe; 93, atomizing nozzle. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment 1

[0028] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a mine shaft cooling device, including an air box 1, one end of the air box 1 is provided with an installation cover 5, the inside of the installation cover 5 is provided with a fan assembly 6, the fan assembly 6 is used to introduce air flow into the air box 1, an air outlet cylinder 8 is installed at the other end of the air box 1 for sending out the air flow inside the air box 1 to cool the mine shaft, and a condenser 4 is arranged inside the air box 1. The condenser 4 can adopt existing equipment. After starting the condenser 4, the air flow introduced into the air box 1 by the fan assembly 6 generates heat exchange when passing through the condenser 4 by contacting the condenser pipes of the condenser 4, so as to cool the air flow, making the air flow blown out by the air outlet cylinder 8 have a lower temperature and better air-cooling effect in the mine shaft.

[0029] Specifically, an installation ring 51 is fixed on the outer end of the installation cover 5 close to the air box 1, and a plurality of threaded holes are annularly formed inside the installation ring 51, so as to connect and install the installation cover 5 with the air box 1 through the installation ring 51 by bolts.

[0030] Specifically, a driving motor 61 is provided on the mounting cover 5. The fan assembly 6 is connected to the output shaft of the driving motor 61 through a driving rod. The specific connection method can adopt the existing technology, so it will not be elaborated here. By starting the driving motor 61, the fan assembly 6 can be driven to rotate, so as to suck the air flow outside the mounting cover 5 and introduce the air flow into the air box 1.

[0031] More specifically, a support collar 7 is provided at one end of the outer side of the fan assembly 6 close to the driving motor 61. The support collar 7 is fixed inside the mounting cover 5 through a plurality of support rods 71. The output rod of the fan assembly 6 is rotatably connected to the inside of the support collar 7, and the support collar 7 can provide further support for the output rod of the fan assembly 6 to improve the stability of the fan assembly 6.

[0032] A plurality of dust-proof nets are annularly arranged outside the driving motor 61. The dust-proof nets are fixed on the mounting cover 5 to intercept a certain amount of dust entering the mounting cover 5.

[0033] A bottom plate 3 is installed on the lower side of the air box 1. A moving wheel 31 is provided at the bottom of the bottom plate 3, and a push handle 11 is provided outside the air box 1. The push handle 11 is fixed to the bottom plate 3, and the whole device can be driven to move in the underground mine by pushing the push handle 11. The moving wheel 31 is set as a self-locking moving wheel, so that after the whole device moves to the required position, the moving wheel 31 can be adjusted to be locked to prevent the whole device from moving.

[0034] Embodiment 2

[0035] Based on Embodiment 1, please refer to Figure 1 and Figure 3 , a water spraying mechanism 9 is installed outside the air outlet cylinder 8. The water spraying mechanism 9 sprays water mist to wet the air flow blown out by the air outlet cylinder 8, avoiding the over-dry cold air flow after cooling. A water tank 2 is provided at the upper end of the bottom plate 3, and the water tank 2 can supply water to the water spraying mechanism 9 to supplement the water required for the operation of the water spraying mechanism 9.

[0036] Specifically, the water spraying mechanism 9 includes a water supply ring 91 fixed to the outer end of the air outlet cylinder 8. A water supply cavity is opened inside the water supply ring 91. One side of the outer end of the water supply ring 91 is fixed with a water supply pipe 92. The water supply pipe 92 is communicated with the water supply cavity of the water supply ring 91. An outer ring 81 is fixed at the air outlet of the air outlet cylinder 8. The water supply pipe 92 penetrates through the outer ring 81. The water outlet end of the water supply pipe 92 is connected with a spray nozzle 93. The spray nozzle 93 faces the center of the outer ring 81. The water flow in the water supply ring 91 is conveyed to the spray nozzle 93 through the water supply pipe 92, and the water flow is atomized and sprayed by the spray nozzle 93 to wet the air flow blown out by the air outlet cylinder 8.

[0037] A dust-proof net is arranged inside the outer ring 81 to reduce the dust entering the air outlet cylinder 8 during the idle period of the device.

[0038] More specifically, a plurality of water supply pipes 92 and corresponding atomizing nozzles 93 are provided, and the plurality of atomizing nozzles 93 are evenly distributed at equal angles with respect to the central axis of the air outlet cylinder 8, so that the plurality of atomizing nozzles 93 spray simultaneously, and the spraying effect is more uniform.

[0039] Specifically, a submersible pump 21 fixed to the upper end of the air box 1 is arranged inside the water tank 2. The water inlet end of the submersible pump 21 is connected with a suction pipe 22, and the water outlet end of the submersible pump 21 is connected with a delivery pipe 23. The other end of the delivery pipe 23 is connected with the water supply ring 91 and communicates with the water supply cavity of the water supply ring 91. After the submersible pump 21 extracts the stored water inside the water tank 2 through the suction pipe 22 at the water inlet, the water flow is conveyed into the water supply ring 91 by the delivery pipe 23 to supply water to the water spraying mechanism 9.

[0040] One or more water pipes can be externally connected to the outer end of the water tank (2) for replenishing water to (2).

[0041] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0042] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling device for a mine shaft, a wind box (1), a condenser (4) is arranged inside the wind box, characterized in that: include: A mounting cover (5) is provided at one end of the bellows (1), a fan assembly (6) is provided inside the mounting cover (5), an air outlet (8) is provided at the other end of the bellows (1), a water spray mechanism (9) is provided on the outside of the air outlet (8), a bottom plate (3) is provided on the lower side of the bellows (1), and a water tank (2) is provided on the upper end of the bottom plate (3).

2. A mine cooling device according to claim 1, characterized in that: A mounting ring (51) is fixed to the outer end of the mounting cover (5) on a side close to the bellows (1), and a plurality of threaded holes are provided in an annular shape inside the mounting ring (51).

3. A mine cooling device according to claim 1, characterized in that: The mounting cover (5) is provided with a driving motor (61), and the fan assembly (6) is connected to the output shaft of the driving motor (61) via a driving rod; The outer side of the driving motor (61) is provided with a plurality of dustproof nets in a ring shape, and the dustproof nets are fixed on the mounting cover (5).

4. A mine cooling device according to claim 3, characterized in that: A support collar (7) is provided on the outer side of the fan assembly (6) at one end close to the drive motor (61); the support collar (7) is fixed to the inside of the mounting cover (5) via a plurality of support rods (71); and the output rod of the fan assembly (6) is rotatably connected to the inside of the support collar (7).

5. The mine cooling device according to claim 1, characterized in that: An outer ring (81) is fixed to the air outlet of the air outlet cylinder (8), and a dustproof net is arranged inside the outer ring (81).

6. A mine cooling device according to claim 5, characterized in that: The water spray mechanism (9) comprises a water supply ring (91) fixed to the outer end of the air outlet tube (8), a water supply cavity is provided inside the water supply ring (91), a water supply pipe (92) is fixed to one side of the outer end of the water supply ring (91), the water supply pipe (92) is connected to the water supply cavity of the water supply ring (91), the water supply pipe (92) passes through the outer ring (81), the water outlet end of the water supply pipe (92) is connected to an atomizing nozzle (93), and the atomizing nozzle (93) faces the center of the outer ring (81); The water supply pipe (92) and the corresponding atomizing nozzles (93) are both arranged in a plurality, and the plurality of atomizing nozzles (93) are evenly distributed at equal angles with respect to the central axis of the air outlet cylinder (8).

7. A mine cooling device according to claim 6, characterized in that: A submersible pump (21) fixed to the upper end of the bellows (1) is arranged inside the water tank (2); the water inlet end of the submersible pump (21) is connected to an extraction pipe (22); the water outlet end of the submersible pump (21) is connected to a delivery pipe (23); the other end of the delivery pipe (23) is connected to the water delivery ring (91) and communicates with the water delivery cavity of the water delivery ring (91).

8. A mine cooling device according to claim 1, characterized in that: A moving wheel (31) is arranged at the bottom of the bottom plate (3), and the moving wheel (31) is arranged as a self-locking moving wheel. A push handle (11) fixed to the bottom plate (3) is arranged on the outer side of the bellows (1).

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