Ventilation cooling system for hot environment under metal mine

Abstract

The utility model provides a metal mine hot environment ventilation cooling system which comprises a shell, a thermal insulation layer, cooling liquid, a separation net and a fan, the shell is of a transverse cylindrical structure, the fan is fixedly arranged in the shell and is coaxial with the shell, the separation net is arranged in the shell in the direction of the output end of the fan, and the cooling liquid is arranged in the shell. The heat insulation layer is made of heat insulation materials and arranged on the outer wall of the shell, a transverse pipeline is arranged in the top of the heat insulation layer and communicated with an external pipeline through a top opening, and cooling liquid is arranged in the transverse pipeline at the top of the heat insulation layer to circulate. According to the characteristic that hot air moves upwards, the water cooling structure closely attached to the air channel is additionally arranged at the top of the air channel, it is guaranteed that the ventilation temperature in the air channel can be effectively reduced, and then effective cooling in the mine channel is achieved.

Description

Technical Field

[0001] The utility model relates to the field of ventilation, in particular to a ventilation and cooling system for a thermal environment in an underground metal mine. Background Art

[0002] With the acceleration of China's industrialization and the globalization of its economy, China's mineral resource consumption has grown rapidly, and it has become the world's largest consumer. At present, more than 95% of China's energy, more than 80% of industrial raw materials, and more than 70% of agricultural production materials come from mineral resources. With the continuous increase in demand, the amount of shallow and easily mined mineral resources is decreasing, and deep resources will gradually become the focus of development.

[0003] According to the current understanding of geothermal research, the underground rock temperature will rise by 2.5-3℃ for every 100m increase in mining depth. Based on this calculation, when mining resources at a depth of 1000-2000m, the rock temperature in the working environment will reach 40-50℃. At present, the underground ambient temperature in some metal mines in my country has reached a high temperature of more than 30℃. The high temperature and high humidity working environment underground will cause harm to the workers (heatstroke, neurological diseases, etc.), and lead to a series of problems such as reduced production efficiency, increased accident rate, and shortened life of mechanical equipment. These problems directly restrict the effective development and utilization of deep resources in my country. High-temperature mine environment control technology and equipment play a vital role in ensuring the continuous and stable supply of mineral resources in my country. Therefore, it is urgent to research and develop technically reliable and economically suitable cooling devices.

[0004] The existing ventilation device has a long air duct, which easily causes the problem of cold air heating up during the cooling transfer process, making the cooling effect at the internal position not obvious.

[0005] A metal mine underground thermal environment ventilation and cooling system is now needed to solve the above problems. Utility Model Content

[0006] The utility model aims to solve the problem that the existing ventilation device in the prior art is prone to cause the cold air to heat up during the cooling transfer process due to the excessive length of the air duct, making the cooling effect at the internal position not obvious. A ventilation and cooling system for the hot environment of a metal mine is provided, which adopts an additional cooling control mechanism in the air duct to solve the above problem.

[0007] The utility model provides a ventilation and cooling system for a hot environment in an underground metal mine, comprising an outer shell, an insulation layer, a coolant, an isolation net, and a fan. The outer shell is a horizontally placed cylindrical structure, the fan is fixedly arranged inside the outer shell and is arranged coaxially with the outer shell, the isolation net is arranged in the direction of the fan output end inside the outer shell, the insulation layer is an insulation material arranged on the outer wall of the outer shell, a horizontal pipe is arranged inside the top of the insulation layer, the horizontal pipe is connected with an external pipe through a top opening, and the coolant is arranged in the horizontal pipe on the top of the insulation layer for circulation.

[0008] The utility model describes a ventilation and cooling system for a hot environment in an underground metal mine. As a preferred embodiment, the fan includes a fixed seat, a box, a motor, an output shaft and fan blades. The fixed seat is a vertical plate structure with a central through hole. A box is arranged on one side of the fixed seat. The box is a hollow shell. The inner cavity of the box is connected to the through hole of the fixed seat. The motor is arranged in the box. The output shaft passes through the through hole of the fixed seat and is connected to the motor at one end, and is connected to the fan blades at the other end.

[0009] The utility model discloses a ventilation and cooling system for a hot environment in an underground metal mine. As a preferred embodiment, the cooling liquid is ethylene glycol.

[0010] The utility model describes a ventilation and cooling system for a hot environment in an underground metal mine. As a preferred embodiment, the insulation layer includes an insulation cylinder, a connecting port and a water cooling channel. The insulation cylinder is an insulation material cylinder arranged on the outer surface of the outer shell, and one side of the insulation cylinder is axially provided with a water cooling channel that passes through the two end surfaces of the insulation cylinder. The outer surface of one side of the insulation cylinder is provided with a radial connecting port, one end of the connecting port is connected to the outside of the insulation cylinder, and the other end is connected to the water cooling channel. The water cooling channel and the connecting port are provided with a hard leak-proof layer.

[0011] The utility model discloses a ventilation and cooling system for a hot environment in an underground metal mine. As a preferred embodiment, quick-change interfaces are arranged at both ends of the shell.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model uses the property of hot air moving upwards and ensures that the temperature of the ventilation in the air duct can be effectively cooled by adding a water cooling structure that is closely attached to the air duct at the top of the air duct, thereby achieving effective cooling in the mine tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of a thermal environment ventilation and cooling system in a metal mine;

[0015] Figure 2 This is a schematic diagram of a fan in a thermal environment ventilation and cooling system in a metal mine;

[0016] Figure 3 It is a schematic diagram of a heat-insulating sleeve for a thermal environment ventilation and cooling system in a metal mine.

[0017] Reference numerals:

[0018] 1. Shell; 2. Insulation layer; 21. Insulation cylinder; 22. Connection port; 23. Water cooling channel; 3. Cooling liquid; 4. Isolation net; 5. Fan; 51. Fixed seat; 52. Box; 53. Motor; 54. Output shaft; 55. Fan blades. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Example 1

[0021] like Figure 1 As shown, a ventilation and cooling system for a hot environment in an underground metal mine includes an outer shell 1, an insulating sleeve 2, a coolant 3, an isolation net 4, and a fan 5. The outer shell 1 is a horizontal cylindrical structure. The fan 5 is fixedly arranged inside the outer shell 1 and is arranged coaxially with the outer shell 1. The isolation net 4 is arranged in the outer shell 1 in the direction of the output end of the fan 5. The insulating sleeve 2 is an insulating material arranged on the outer wall of the outer shell 1. A horizontal pipe is arranged inside the top of the insulating sleeve 2, and the horizontal pipe is connected with the external pipe through the top opening. The coolant 3 is arranged in the top horizontal pipe of the insulating sleeve 2 and circulates.

[0022] like Figure 2 As shown, the fan 5 includes a fixed base 51, a box body 52, a motor 53, an output shaft 54 ​​and a fan blade 55. The fixed base 51 is a vertical plate structure with a through hole in the middle. The box body 52 is arranged on one side of the fixed base 51. The box body 52 is a hollow shell. The inner cavity of the box body 52 is connected to the through hole of the fixed base 51. The motor 53 is arranged in the box body 52. ​​The output shaft 54 ​​passes through the through hole of the fixed base 51. One end is connected to the motor 53, and the other end is connected to the fan blade 55.

[0023] The coolant 3 is ethylene glycol.

[0024] like Figure 3 As shown, the thermal insulation sleeve 2 includes a thermal insulation cylinder 21, a connecting port 22 and a water cooling channel 23. The thermal insulation cylinder 21 is a thermal insulation material cylinder arranged on the outer surface of the outer shell 1. A water cooling channel 23 that passes through the two end surfaces of the thermal insulation cylinder is axially arranged on one side of the thermal insulation cylinder 21. A radial connecting port 22 is arranged on the outer surface of one side of the thermal insulation cylinder. One end of the connecting port 22 is connected to the outside of the thermal insulation cylinder 21, and the other end is connected to the water cooling channel 23. The water cooling channel 23 and the connecting port 22 are provided with a hard leak-proof layer.

[0025] Both ends of the housing 1 are provided with quick-change interfaces.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A thermal environment ventilation and cooling system for metal mines. Features: The invention comprises an outer shell (1), an insulating sleeve (2), a coolant (3), an isolation net (4), and a fan (5); the outer shell (1) is a horizontal cylindrical structure; the fan (5) is fixedly arranged inside the outer shell (1) and is arranged coaxially with the outer shell (1); the isolation net (4) is arranged inside the outer shell (1) in the direction of the output end of the fan (5); the insulating sleeve (2) is an insulating material arranged on the outer wall of the outer shell (1); a horizontal pipe is arranged inside the top of the insulating sleeve (2); the horizontal pipe is connected to an external pipe through a top opening; the coolant (3) is arranged in the horizontal pipe at the top of the insulating sleeve (2) and circulates.

2. A thermal environment ventilation and cooling system for underground metal mines according to claim 1, Features: The fan (5) comprises a fixing seat (51), a box body (52), a motor (53), an output shaft (54) and a fan blade (55); the fixing seat (51) is a vertical plate structure with a through hole in the middle; the box body (52) is arranged on one side of the fixing seat (51); the box body (52) is a hollow shell; the inner cavity of the box body (52) is connected to the through hole of the fixing seat (51); the motor (53) is arranged in the box body (52); one end of the output shaft (54) passes through the through hole of the fixing seat (51) and is connected to the motor (53); the other end is connected to the fan blade (55).

3. A metal mine underground thermal environment ventilation and cooling system according to claim 1, Features: The cooling liquid (3) is ethylene glycol.

4. A thermal environment ventilation and cooling system for underground metal mines according to claim 1, Features: The thermal insulation sleeve (2) comprises a thermal insulation cylinder (21), a connecting port (22) and a water cooling channel (23); the thermal insulation cylinder (21) is a cylinder made of a thermal insulation material and is arranged on the outer surface of the outer shell (1); one side of the thermal insulation cylinder (21) is axially provided with a water cooling channel (23) penetrating through the two end surfaces of the thermal insulation cylinder; the outer surface of one side of the thermal insulation cylinder is provided with a radial connecting port (22); one end of the connecting port (22) is connected to the outside of the thermal insulation cylinder (21), and the other end is connected to the water cooling channel (23); the water cooling channel (23) and the connecting port (22) are provided with a hard leakproof layer.

5. A thermal environment ventilation and cooling system for underground metal mines according to claim 1, Features: Both ends of the housing (1) are provided with quick-change interfaces.

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