Mine main fan machine room cooling and dust filtering device

Abstract

The utility model discloses a cooling and dust filtering device for a mine main fan machine room, belongs to the technical field of mine production, and solves the problems that an existing mine main fan machine room is poor in heat dissipation effect, main fan operation efficiency is affected, and mine production efficiency is affected. The device comprises a frequency conversion cabinet and a main fan machine room, the top of the frequency conversion cabinet is provided with a cabinet top fan and an air outlet, the main fan machine room is provided with an air exhaust pipeline and an air inlet dust filtering pipe, one end of the air exhaust pipeline is communicated with the air inlet, the cabinet top fan is installed at one end of the air exhaust pipeline, and a filter screen is installed in the air inlet dust filtering pipe. The system is stable in operation, the environment temperature in a main fan machine room is effectively reduced, normal work of the main fan is prevented from being affected, efficient and stable operation of the main fan is guaranteed, and the system has high popularization value.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine production technical field, concretely relates to a mine main fan room cooling and dust filtering device. BACKGROUND

[0002] The mine main fan is an important component of the mine production system, is responsible for conveying fresh air to the underground, and discharging harmful gas and dust, guarantees the mine safety production and the miner life safety, is the necessary device of the mine production.

[0003] At present in production, the mine main fan needs 24 hours uninterrupted operation, a large amount of heat will be produced in the machine room, the original heat dissipation structure design of the main fan machine room is not reasonable, only the cabinet top fan of the frequency conversion cabinet extracts the heat dissipation cooling, the heat that the cabinet top fan discharges gathers and circulates in the machine room, cannot be effectively discharged to the outside, causes the temperature in the machine room and the frequency conversion cabinet to be high, in the daily production, the temperature in the frequency converter cabinet is as high as 60 DEG C, although 8 5 match high -power air conditioners are installed in the machine room and are in uninterrupted operation cooling, but the cooling effect obtained is poor, the temperature in the frequency converter cabinet reaches about 50 DEG C, still cannot solve the heat dissipation problem completely, and the energy consumption of the long -term operation of multiple high -power air conditioners is high. Because the temperature in the machine room and the frequency conversion cabinet is high, the safe and stable operation of electrical equipment such as frequency conversion power unit, high voltage switch cabinet and transformer has hidden danger, influences the operation stability of the main fan frequency conversion control system, further influences the main fan operation efficiency, the ventilation system guarantee rate in the underground decreases, the production safety guarantee coefficient decreases, and a large amount of manpower, material resources cost is increased in equipment maintenance operation. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a kind of mine main fan machine room cooling and dust filtering device to solve the poor heat dissipation effect of existing mine main fan machine room, the problem of influencing main fan operation efficiency, influencing mine production efficiency.

[0005] The technical scheme of the utility model is as follows: a kind of mine main fan machine room cooling and dust filtering device, including frequency conversion cabinet and main fan machine room, frequency conversion cabinet top is equipped with cabinet top fan and exhaust port, main fan machine room is equipped with exhaust duct and air inlet dust filter pipe, one end of exhaust duct is communicated with air inlet, cabinet top fan is installed in one end of exhaust duct, filter screen is installed in air inlet dust filter pipe.

[0006] As further improvement of the utility model, adjustable baffle is equipped on air inlet, adjustable skylight is equipped on the air outlet of the connection of exhaust duct and main fan machine room.

[0007] As further improvement of the utility model, multiple slots are equipped in air inlet dust filter pipe, filter screen is installed in slot.

[0008] As further improvement of the utility model, air inlet of air inlet dust filter pipe is equipped with air inlet cover plate, whether air inlet can be controlled by air inlet cover plate.

[0009] As a further improvement of the utility model, the sealing rubber ring is arranged at the connection between the air inlet dust filter pipe and the main fan machine room.

[0010] As a further improvement of the utility model, the sealing rubber ring is arranged at the connection between the air outlet pipe and the main fan machine room.

[0011] The utility model has the advantages of:

[0012] 1. The utility model relies on the negative pressure area formed in the air outlet pipe when the cabinet top fan of the original frequency conversion cabinet operates, so that the air in the machine room flows to the negative pressure area, air is supplemented from the air inlet dust filter pipe, the natural air circulation effect of the main fan machine room is achieved, the heat in the main fan machine room is discharged, a filter screen is installed at the air inlet, and dust and impurities in the air source are effectively filtered.

[0013] 2. The adjustable baffle installed at the air outlet of the machine room and the adjustable skylight of the air outlet pipe realize two cooling modes, i.e. internal circulation and direct discharge of the main fan machine room, the adjustable skylight of the air outlet pipe is opened, the adjustable baffle of the air outlet of the machine room is closed, the negative pressure accelerates the internal circulation of the heat in the main fan machine room when the temperature is low, the adjustable baffle of the air outlet of the machine room is opened, the adjustable skylight of the air outlet pipe is closed, the hot air in the main fan machine room is directly discharged, the size of the adjustable switch is adjusted, different indoor and outdoor discharge ratios are realized, a double-loop heat dissipation system is formed in the main fan machine room, the temperature in the main fan machine room and the frequency conversion cabinet is effectively reduced, the temperature in the machine room is reliably and stably kept between 25-30 DEG C, the temperature of the frequency conversion cabinet is not higher than 45 DEG C, the safe and stable operation of the electrical equipment in the machine room is ensured, and the influence of the continuous high temperature on the safe operation of the electrical equipment in the machine room is avoided.

[0014] 3. The utility model also adopts the filter screen of the plug-in type, is convenient to disassemble, is convenient to clean the dust accumulated in the filter screen and replace the whole in the later use process, the dust entering amount of the machine room is reduced by more than 90%, the safe operation of the electrical equipment in the main fan machine room is ensured, and the workload of manual dust removal is reduced. The utility model runs stably, effectively reduces the environmental temperature in the main fan machine room, avoids affecting the normal work of the main fan, ensures that the main fan runs efficiently and stably, and has strong popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the structural schematic view of the utility model;

[0016] Fig. 2 It is the structural schematic view of the filter mechanism of the utility model.

[0017] In the drawing: 1-frequency conversion cabinet;2-air inlet cover plate;3-cabinet top fan;4-air inlet;5-air outlet pipe;8-air inlet dust filter pipe;9-filter screen;10-slot. DETAILED DESCRIPTION

[0018] The utility model will be made further detailed explanation in combination with the drawings and specific embodiment.

[0019] As Figs. 1-2 Indicated, a mine main fan room cooling and filter dust device, including frequency conversion cabinet 1 and main fan room, frequency conversion cabinet 1 top is equipped with cabinet roof fan 3 and air outlet 4.

[0020] A mine main fan room cooling and filter dust device, main fan room is equipped with exhaust duct 5 and air inlet filter dust pipe 8, one end of exhaust duct 5 is communicated with air inlet 4, cabinet roof fan 3 is installed in one end of exhaust duct 5, and filter screen 9 is installed in air inlet filter dust pipe 8.

[0021] Air inlet 4 is equipped with adjustable baffle, and air outlet 6 is equipped with adjustable skylight at the connecting place of exhaust duct 5 and main fan room.

[0022] Air inlet filter dust pipe 8 is equipped with multiple insertion slots 10, and filter screen 9 is installed in insertion slot 10.

[0023] The air inlet of air inlet filter dust pipe 8 is equipped with air inlet cover plate 2, whether air inlet can be controlled through air inlet cover plate 2.

[0024] Air inlet filter dust pipe 8 is equipped with sealing rubber ring at the connecting place with main fan room.

[0025] Exhaust duct 5 is equipped with sealing rubber ring at the connecting place with main fan room.

[0026] In the daily work of main fan, when the temperature in main fan room is too high, adjustable skylight of exhaust duct 5 and adjustable baffle of air outlet 6 are opened, through the work of frequency conversion cabinet 1 and cabinet roof fan 3, the negative pressure generated in exhaust duct 5 makes the air in main fan room flow to the negative pressure area, and the air with heat in main fan room is directly discharged by cabinet roof fan 3, air inlet cover plate 2 is opened synchronously, the air with lower outdoor temperature enters main fan room through air inlet pipe 8 because of negative pressure, the dust in air is filtered by filter screen 9, so that the dust entering amount in main fan room is reduced by more than 90%, which guarantees the safe operation of electrical equipment in main fan room, and reduces the artificial dust removal workload of electrical equipment in machine room.

Claims

1. A cooling and dust filtration device for a main fan room in a mine, comprising a frequency converter cabinet (1) and a main fan room, wherein the top of the frequency converter cabinet (1) is provided with a top fan (3) and an exhaust vent (4), characterized in that: The main fan room is equipped with an exhaust duct (5) and an air inlet filter pipe (8). One end of the exhaust duct (5) is connected to the air inlet (4). The cabinet top fan (3) is installed at one end of the exhaust duct (5). A filter screen (9) is installed inside the air inlet filter pipe (8).

2. The cooling and dust filtration device for a main fan room in a mine according to claim 1, characterized in that: An adjustable baffle is provided on the air inlet (4), and an adjustable skylight is provided at the air outlet (6) where the exhaust duct (5) connects to the main fan room.

3. The cooling and dust filtration device for a mine main fan room according to claim 1, characterized in that: The air inlet dust filter pipe (8) has a slot (10) on its side wall, and the filter screen (9) is installed in the slot (10).

4. A cooling and dust filtration device for a mine main fan room according to any one of claims 1-3, characterized in that: The air inlet of the air inlet filter pipe (8) is provided with an air inlet cover plate (2).

5. The cooling and dust filtration device for a mine main fan room according to claim 4, characterized in that: A sealing ring is provided at the connection between the air intake filter pipe (8) and the main fan room.

6. The cooling and dust filtration device for a mine main fan room according to claim 4, characterized in that: The exhaust duct (5) is equipped with a sealing ring at the connection between it and the main fan room.

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