CN221942495U - Mine ventilation device - Google Patents

Abstract

The utility model relates to the technical field of mine ventilation, and particularly discloses a mine ventilation device which comprises a ventilation box, wherein a working cavity and an input cavity are arranged in the ventilation box, and a fan is arranged in the working cavity; an air inlet is formed in one side of the input cavity, the top of the input cavity is connected with a plurality of filtering inclined plates, one side of each group of filtering inclined plates is provided with an inclined baffle plate connected to the bottom of the input cavity, one side, close to the air inlet, of each filtering inclined plate is provided with a cleaning rod, and a moving part for adjusting the cleaning rods to brush on the filtering inclined plates is arranged on the ventilation box; the air inlet end of the fan is connected with an air inlet pipe extending into the input cavity; according to the utility model, the fan works to generate negative pressure in the input cavity, air in a mine can enter the ventilation box, dust flows between the filtering inclined plate and the inclined baffle and is filtered, meanwhile, the dust contacts water placed in the input cavity, the dust can be further filtered, the air humidity increase caused by water spraying is avoided, the air in the mine is conveniently discharged after being filtered, and the ventilation in the mine is facilitated by matching with the existing air supply device.

Description

Mine ventilation device

Technical Field

The utility model relates to the technical field of mine ventilation, in particular to a mine ventilation device.

Background Art

Mine ventilation devices include key equipment such as main fans, air shafts, air cylinders, and air doors. Fresh air is introduced into or discharged from the mine through exhaust shafts or air intake shafts. Usually, fresh air can be discharged directly. When the air in the mine is discharged, it will be initially filtered before being discharged, which reduces the impact of dust on subsequent pipeline transportation and is beneficial to ventilation in the mine.

The existing patent announcement number CN214118231U discloses a mine ventilation device with dust-proof function, including a box body, a support column fixedly connected to the lower end face of the box body, a first water tank is arranged on the upper end face of the box body, a water pipe is fixedly connected to the right end face of the first water tank, and a filter is arranged on the right end face of the box body; the debris on the filter is washed down by a shower and retained in a collection basin through a V-shaped plate, and the collection basin is provided with an isolation net to collect the washed debris for subsequent processing; a second water pump is arranged at one end of the second water tank, a spray device is fixedly connected to one end of a connecting pipe, and the connecting pipe passes through the second water pump, and the water in the second water tank is sucked out by turning on the second water pump and sprayed out from the spray device through the connecting pipe; since a plurality of holes are arranged on the spray device, the received water is converted into water mist for spraying, which can not only ensure that the air in the mine is normal, but also reduce the floating of dust.

The above ventilation device can filter dust during ventilation, but a shower is used to spray the filter screen for cleaning during filtering, and a spray device is used to spray water during ventilation, which can intercept dust in the air, but the air humidity will be too high during ventilation, and water mist will be dispersed during air flow, which needs to be improved. In view of the above problems, a mine ventilation device is proposed.

Utility Model Content

The purpose of the utility model is to provide a mine ventilation device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A mine ventilation device comprises a ventilation box, wherein a working chamber and an input chamber are arranged in the ventilation box, and a fan is arranged in the working chamber;

An air inlet is provided on one side of the input chamber, a plurality of filter inclined plates are connected to the top of the input chamber, an inclined baffle connected to the bottom of the input chamber is provided on one side of each set of filter inclined plates, a cleaning rod is provided on the side of the filter inclined plates close to the air inlet, and a moving part for adjusting the cleaning rod to brush on the filter inclined plates is installed on the ventilation box;

The air inlet end of the fan is connected to the air inlet pipe extending into the input cavity, and the air outlet end of the fan is connected to the connecting pipe.

In an optional solution: the movable part includes a cross bar and a movable frame, two groups of cross bars are connected to one side of each group of cleaning rods, the ventilation box is provided with sliding holes for sliding of the cross bars, the movable frame is arranged on the outside of the ventilation box, and several cross bars are connected to the same group of movable frames, and the outer wall of the ventilation box is connected with a limiting part for fixing the movable frame to one side of the ventilation box.

In an optional solution: the limiting member includes a limiting rod and a rotating shaft fixedly connected to the limiting rod on one side close to the ventilation box, the rotating shaft is rotatably connected to the ventilation box, and a rectangular hole is provided on the movable frame, the length of the rectangular hole is greater than the length of the limiting rod, and the width of the rectangular hole is less than the width of the limiting rod.

In an optional solution: a liquid inlet pipe communicating with the input cavity is connected to the top of the ventilation box, and a liquid outlet pipe communicating with the input cavity is connected to one side of the ventilation box.

In an optional solution: the bottom of the filter inclined plate is inclined to a side away from the air inlet, the filter inclined plate and the inclined baffle are arranged in parallel, and the air inlet corresponds to the position of the filter inclined plate.

In an optional solution: a heat dissipation hole corresponding to the working cavity is provided on one side of the ventilation box, and a filter corresponding to the heat dissipation hole is connected to the inner wall of the ventilation box.

In an optional solution: the bottom of the ventilation box is connected to at least two groups of support seats, and the support seats are provided with a plurality of bolt holes.

Compared with the prior art, the beneficial effects of the utility model are:

The blower of the utility model can generate negative pressure in the input chamber when it is working, and the air in the mine can enter the ventilation box, and the dust flows and is filtered between the filter inclined plate and the inclined baffle, and at the same time contacts the water placed in the input chamber, which can be further filtered, avoiding the increase of air humidity caused by water spraying, and facilitating the discharge of the air in the mine after filtration. In combination with the existing air supply device, it is beneficial to the ventilation in the mine;

The movable member in the utility model can adjust the cleaning rod to move to clean one side of the filter inclined plate, which is convenient for long-term use of the filter inclined plate and reduces the number of disassembly and cleaning times;

The input cavity of the utility model is convenient for injecting water and draining water for cleaning, which is convenient for use.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic diagram of the structure of the mobile frame in the utility model.

FIG. 3 is a schematic diagram of the structure inside the input cavity of the utility model.

FIG. 4 is a schematic diagram showing the structure of the cleaning rod and the moving member in the present invention.

In the figure: 11, ventilation box; 12, support seat; 13, air inlet; 14, liquid inlet pipe; 15, liquid outlet pipe; 16, limit rod; 17, rotating shaft; 18, movable frame; 19, connecting pipe; 20, air inlet pipe; 21, input chamber; 22, filter inclined plate; 23, cleaning rod; 24, cross bar.

DETAILED DESCRIPTION

In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to FIG. 1 to FIG. 4 . In this embodiment, a mine ventilation device includes a ventilation box 11 . A working chamber and an input chamber 21 are provided in the ventilation box 11 . A fan is provided in the working chamber. The fan may be an existing fan structure for inducing air.

An air inlet 13 is provided on one side of the input chamber 21, and a plurality of filter inclined plates 22 are connected to the top of the input chamber 21. An inclined baffle connected to the bottom of the input chamber 21 is provided on one side of each group of filter inclined plates 22. A cleaning rod 23 is provided on the side of the filter inclined plates 22 close to the air inlet 13. A moving part for adjusting the cleaning rod 23 to brush on the filter inclined plates 22 is installed on the ventilation box 11.

When the fan is working, negative pressure is generated in the input chamber 21. The air holes in the mine enter the input chamber 21 through the air inlet 13, and then pass through the filter inclined plate 22 and the inclined baffle. The air flows in a curved manner, which is conducive to the air filtering on the filter inclined plate 22 and makes the air contact with the water in the input chamber 21, thereby improving the filtering effect of the air.

The air inlet end of the fan is connected to the air inlet pipe 20 extending into the input cavity 21, and the air outlet end of the fan is connected to the connecting pipe 19; the connecting pipe 19 can be connected to the air shaft for discharging the air in the mine, facilitating the subsequent input of the air in the mine, and making the air in the mine flow;

In this embodiment, when the fan is working, negative pressure can be generated in the input chamber 21. The air holes in the mine enter the input chamber 21 through the air inlet 13, and then pass through the filter inclined plate 22 and the inclined baffle. The air flows in a curved manner. The air is filtered on the filter inclined plate 22. The air comes into contact with the water in the input chamber 21 during flow and is further filtered. Then, it passes through the air inlet pipe 20 and is discharged from the connecting pipe 19 driven by the fan.

In another embodiment, the movable member includes a cross bar 24 and a movable frame 18, two groups of cross bars 24 are connected to one side of each group of cleaning rods 23, the ventilation box 11 is provided with a sliding hole for sliding the cross bars 24, the movable frame 18 is arranged outside the ventilation box 11, and a plurality of cross bars 24 are connected to the same group of movable frames 18, and the outer wall of the ventilation box 11 is connected with a limiter for fixing the movable frame 18 on one side of the ventilation box 11;

Pulling the movable frame 18 can drive the cross bar 24 to move, so that the cleaning rod 23 moves horizontally. During the reciprocating horizontal movement of the cleaning rod 23, one side of the filtering inclined plate 22 can be cleaned.

In another embodiment, the limiting member includes a limiting rod 16 and a rotating shaft 17 fixedly connected to the limiting rod 16 on a side close to the ventilation box 11, the rotating shaft 17 is rotatably connected to the ventilation box 11, and a rectangular hole is provided on the movable frame 18, the length of the rectangular hole is greater than the length of the limiting rod 16, and the width of the rectangular hole is less than the width of the limiting rod 16;

As shown in FIG. 2 , the position of the movable frame 18 can be fixed by rotating the limit rod 16 ; when releasing the fixation, the limit rod 16 can be rotated to a horizontal position so that the limit rod 16 corresponds to the length of the rectangular hole, thereby facilitating the movement of the movable frame 18 .

In another embodiment, the top of the ventilation box 11 is connected to a liquid inlet pipe 14 communicating with the input chamber 21, and one side of the ventilation box 11 is connected to a liquid outlet pipe 15 communicating with the input chamber 21;

Water can be input into the input chamber 21 through the liquid inlet pipe 14 , and the water surface can contact the bottom of the filtering inclined plate 22 .

In another embodiment, the bottom of the filter inclined plate 22 is inclined to a side away from the air inlet 13 , the filter inclined plate 22 and the inclined baffle are arranged in parallel, and the air inlet 13 and the filter inclined plate 22 correspond in position.

In another embodiment, a heat dissipation hole corresponding to the working cavity is provided on one side of the ventilation box 11, and a filter screen corresponding to the heat dissipation hole is connected to the inner wall of the ventilation box 11.

In another embodiment, the bottom of the ventilation box 11 is connected to at least two sets of support seats 12, and the support seats 12 are provided with a plurality of bolt holes;

When the utility model is used, the fan works to generate negative pressure in the input chamber 21. The air holes in the mine enter the input chamber 21 through the air inlet 13, and then pass through the filter inclined plate 22 and the inclined baffle. The air flows in a curved manner. The air is filtered on the filter inclined plate 22. The air contacts the water in the input chamber 21 during the flow and is further filtered. Then, the air passes through the air inlet pipe 20 and is discharged from the connecting pipe 19 driven by the fan.

Pulling the movable frame 18 can drive the cross bar 24 to move, so that the cleaning rod 23 moves horizontally. During the reciprocating horizontal movement of the cleaning rod 23, one side of the filtering inclined plate 22 can be cleaned.

The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims (7)

1. The mine ventilation device comprises a ventilation box (11), wherein a working cavity and an input cavity (21) are arranged in the ventilation box (11), and a fan is arranged in the working cavity;

The method is characterized in that: an air inlet (13) is formed in one side of the input cavity (21), a plurality of filtering inclined plates (22) are connected to the top of the input cavity (21), inclined baffles connected to the bottom of the input cavity (21) are arranged on one side of each group of filtering inclined plates (22), a cleaning rod (23) is arranged on one side, close to the air inlet (13), of each filtering inclined plate (22), and a moving part for adjusting the cleaning rod (23) to brush on the filtering inclined plates (22) is arranged on the ventilation box (11);

the air inlet end of the fan is connected with an air inlet pipe (20) extending into the input cavity (21), and the air outlet end of the fan is connected with a connecting pipe (19).

2. A mine ventilation apparatus as defined in claim 1, wherein: the movable part comprises cross bars (24) and a movable frame (18), two groups of cross bars (24) are connected to one side of each group of cleaning bars (23), sliding holes for the cross bars (24) to slide are formed in the ventilating box (11), the movable frame (18) is arranged on the outer side of the ventilating box (11), a plurality of cross bars (24) are connected to the same group of movable frame (18), and limiting parts for fixing the movable frame (18) to one side of the ventilating box (11) are connected to the outer wall of the ventilating box (11).

3. A mine ventilation apparatus as claimed in claim 2, wherein: the limiting piece comprises a limiting rod (16) and a rotating shaft (17) fixedly connected to one side, close to the ventilating box (11), of the limiting rod (16), the rotating shaft (17) is rotationally connected with the ventilating box (11), a rectangular hole is formed in the movable frame (18), the length of the rectangular hole is larger than that of the limiting rod (16), and the width of the rectangular hole is smaller than that of the limiting rod (16).

4. A mine ventilation apparatus as defined in claim 1, wherein: the top of the ventilation box (11) is connected with a liquid inlet pipe (14) communicated with the input cavity (21), and one side of the ventilation box (11) is connected with a liquid outlet pipe (15) communicated with the input cavity (21).

5. A mine ventilation apparatus as defined in claim 1, wherein: the bottom of the filter sloping plate (22) is obliquely arranged towards one side far away from the air inlet (13), the filter sloping plate (22) and the sloping baffle are arranged in parallel, and the air inlet (13) corresponds to the filter sloping plate (22) in position.

6. A mine ventilation apparatus as defined in claim 1, wherein: and a radiating hole corresponding to the working cavity is formed in one side of the ventilation box (11), and a filter screen corresponding to the radiating hole is connected to the inner wall of the ventilation box (11).

7. A mine ventilation apparatus as defined in claim 1, wherein: the bottom of the ventilation box (11) is connected with at least two groups of supporting seats (12), and a plurality of bolt holes are formed in the supporting seats (12).