CN216642175U

CN216642175U - Air supply and exhaust device of gold mine

Info

Publication number: CN216642175U
Application number: CN202122341689.2U
Authority: CN
Inventors: 孙帅
Original assignee: Tangshan Xinfeng Industrial Co ltd
Current assignee: Tangshan Xinfeng Industrial Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-05-31
Anticipated expiration: 2031-09-27

Abstract

The utility model belongs to the technical field of mining machinery, and particularly relates to an air supply and exhaust device for a gold mine, which comprises an air supply assembly and an exhaust assembly, wherein the air supply assembly comprises an air feeder and an air supply pipe, the air feeder is electrically connected with an external power supply, the air supply pipe is fixedly arranged at the output end of the air feeder, and the other end of the air supply pipe extends to the bottom in a mine; through be equipped with respectively in the bottom of mine and top and be used for carrying the air supply subassembly in the pit with the outside exhaust subassembly of airing exhaust of air in the pit, accessible air supply subassembly carries the mine bottom with the air of outside, make the outside air at subaerial the diffusion in the pit, and form the air bed, toxic gas in the well upwards flows under the effect of buoyancy, until through the subassembly of airing exhaust with toxic gas exhaust, under air supply subassembly and exhaust subassembly's mutually supporting, the gas flow velocity inside the mine accelerates, make the ventilation efficiency inside the mine higher.

Description

Air supply and exhaust device for gold mine

Technical Field

The utility model belongs to the technical field of mining machinery, and particularly relates to an air supply and exhaust device for a gold mine.

Background

The mine ventilation means that fresh air is input into the underground mine to increase the oxygen concentration so as to dilute and eliminate toxic and harmful gases and dust in the mine. The basic tasks of mine ventilation are: enough fresh air is supplied to the underground to meet the requirement of personnel on oxygen; harmful gas and dust in the well are diluted, and safe production is ensured; the underground climate is adjusted, and a good working environment is created. In order to distribute the underground air flow along a specified route, structures for guiding and controlling the air flow, namely ventilation facilities, are required to be built in certain roadways, the ventilation facilities are divided into facilities for guiding the air flow and separating the air flow, and the existing mine only directly conveys the external air into the interior of the mine through an air supply pipe, so that the air flow speed in the interior of the mine is low, and further, the ventilation efficiency in the interior of the mine is low.

Therefore, the air supply and exhaust device for the gold mine is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an air supply and exhaust device for a gold mine, which can improve the ventilation efficiency in the mine and reduce the ventilation dead angle in the mine.

In order to achieve the purpose, the utility model provides the following technical scheme: the air supply and exhaust device for the gold mine comprises an air supply assembly and an exhaust assembly, wherein the air supply assembly comprises an air feeder and an air supply pipe, the air feeder is electrically connected with an external power supply, the air supply pipe is fixedly arranged at the output end of the air feeder, and the other end of the air supply pipe extends to the bottom in the gold mine;

the subassembly of airing exhaust includes exhaust fan and exhaust pipe, exhaust fan and external power source electric connection, exhaust pipe fixed mounting be in the output of exhaust fan, just the exhaust fan is kept away from the one end and the outside purifier sealing connection of exhaust pipe, the other end of exhaust pipe extends to the top in the well.

Preferably, the exhaust pipe is provided with a plurality of horizontally distributed air suction ports, the air supply pipe is provided with a plurality of horizontally distributed air outlets, and the air suction ports and the air outlets are in the same number and correspond to each other.

Preferably, the air supply and exhaust device for the gold mine is provided with an air collection cover and an air expansion cover which are respectively arranged on the opposite sides of the air outlet and the air suction inlet, the air collection cover and the air expansion cover have the same structure, and the air collection cover and the air expansion cover are symmetrically distributed.

Preferably, the air supply and exhaust device for the gold mine comprises a communicating part, an expanding part and an air outlet part, wherein the communicating part is connected with the air outlet in a sealing manner, the expanding part is positioned at one end, far away from the air supply pipe, of the communicating part, and the other end of the expanding part is fixedly connected with the air outlet part.

Preferably, in the air supply and exhaust device for a gold mine according to the present invention, the expansion portion has a tapered structure, and a narrow end of the expansion portion is located on a side close to the communicating portion.

Preferably, the air supply and exhaust device for the gold mine is characterized in that the air supply pipe and the exhaust pipe are respectively provided with a straight part and a bent part, and the bent parts are positioned in the gold mine.

Preferably, the air supply and exhaust device for the gold mine is characterized in that a filter plate is fixedly arranged inside the air supply pipe, the filter plate is positioned at one end close to the air supply blower, and the air supply blower and the filter plate are both positioned outside the mine.

Compared with the prior art, the utility model has the beneficial effects that:

1. the air supply assembly used for conveying external air to the underground and the air exhaust assembly used for exhausting the air in the underground are arranged at the bottom and the top of the mine respectively, the external air can be conveyed to the bottom of the mine through the air supply assembly, the external air can be diffused underground on the ground, an air layer can be formed, toxic gas in the mine can flow upwards under the action of buoyancy, until the toxic gas is exhausted through the air exhaust assembly, the gas flow rate inside the mine is increased under the mutual matching of the air supply assembly and the exhaust assembly, the ventilation efficiency inside the mine is higher, the air supply assembly is arranged at the bottom of the mine, the air exhaust assembly is arranged at the top of the mine, the gas flow direction is up-and-down flowing, the ventilation dead angle in the mine is reduced, and the ventilation in the well is more thorough.

2. The air outlet through at the blast pipe and the air inlet department of exhaust pipe are equipped with the fan housing and the wind-collecting cover that expand that are the symmetric distribution respectively, air through the air outlet exhaust can spread under the operation of expanding the fan housing, thereby reduce the velocity of flow of air-out portion department exhaust gas in the fan housing that expands, make expand the fan housing can be with the slow transport well of air large tracts of land in, prevent that the air current of blast pipe is too big, influence constructor's normal work in the well, and the area of the inlet scoop of exhaust pipe can be increased to the wind-collecting cover, make the gas in the well can be quick, adsorb the inside of exhaust pipe by a large scale, improve the efficiency of airing exhaust of exhaust pipe.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the air diffuser and the air supply pipe according to the present invention;

FIG. 3 is a schematic view of the air flow between the diffuser and the air collector;

fig. 4 is a schematic gas flow diagram of the present invention.

In the figure:

1. an air supply assembly; 11. a blower; 12. a filter plate; 13. an air supply pipe; 131. a straight portion; 132. a bending section; 14. an air outlet;

2. an air exhaust assembly; 21. an exhaust fan; 22. an exhaust duct; 23. an air suction opening;

3. a wind collecting cover;

4. an air expanding cover; 41. a communicating portion; 42. an expansion section; 43. an air outlet part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in connection with FIG. 1;

an air supply and exhaust device for gold mine comprises an air supply component 1 and an exhaust component 2.

Through be equipped with respectively in the bottom of mine and top and be used for carrying the air supply subassembly 1 in the pit with the outside exhaust subassembly 2 of airing exhaust of air in the pit, accessible air supply subassembly 1 carries the mine bottom with the air of outside, make outside air at subaerial diffusion in the pit, and form the air bed, toxic gas in the well upwards flows under the effect of buoyancy, until airing exhaust subassembly 2 with toxic gas exhaust, under air supply subassembly 1 and the mutually supporting of air exhaust subassembly 2, the gas velocity of flow inside the mine accelerates, make the ventilation efficiency of the mine inside higher, only ventilate through air supply arrangement in order to solve current well, the problem that ventilation efficiency is low.

Further, the method comprises the following steps of;

in combination with the above, the blowing assembly 1 includes a blower 11 and a blowing pipe 13, the blower 11 is electrically connected to an external power source, the blowing pipe 13 is fixedly installed at an output end of the blower 11, and the other end of the blowing pipe 13 extends to the bottom of the well.

In this embodiment, the outside air is delivered to the inside of the blast pipe 13 by starting the blower 11, and the outside air is delivered to the bottom of the well through the blast pipe 13, so that the outside air is diffused on the ground in the well and forms an air layer, and the toxic gas in the well flows upward under the action of buoyancy until the toxic gas is discharged through the exhaust assembly 2.

It should be noted that: offer the air outlet 14 of a plurality of horizontal distribution on the blast pipe 13, the fan housing 4 is installed to air outlet 14, the setting of a plurality of air outlets 14 of air outlet 14 for the inside gas of blast pipe 13 can be even carry in the well, and discharge the inside of fan housing 4 through air outlet 14, slow down the combustion gas through fan housing 4.

Shown in combination in fig. 1 and 4;

in combination with the above, the exhaust assembly 2 includes the exhaust fan 21 and the exhaust pipe 22, the exhaust fan 21 is electrically connected to the external power source, the exhaust pipe 22 is fixedly installed at the output end of the exhaust fan 21, and one end of the exhaust fan 21 far away from the exhaust pipe 22 is hermetically connected to the external purification device, and the other end of the exhaust pipe 22 extends to the top of the well.

In this embodiment, by starting the exhaust fan 21, the inside of the exhaust pipe 22 is adsorbed into a negative pressure state, so that the floating toxic gas in the well is adsorbed to the inside of the exhaust pipe 22, and is discharged to the inside of the purification device through the exhaust fan 21 for purification, so that the gas discharged by the device meets the exhaust emission standard.

It should be noted that: a plurality of horizontally distributed suction openings 23 are formed in the exhaust pipe 22, the air collecting cover 3 is installed on the suction openings 23, the adsorption area of the exhaust pipe 22 is increased due to the arrangement of the suction openings 23, and the exhaust efficiency of the exhaust pipe 22 is improved.

It should be understood that: the quantity of inlet scoop 23 is the same with air outlet 14, and corresponds to each other for the distance is shortest between inlet scoop 23 and the air outlet 14, makes the gaseous arrival inlet scoop 23 department that can the fastest of air outlet 14 exhaust, improves this device's ventilation efficiency.

As shown in conjunction with fig. 2 and 3;

in combination with the above, the wind collecting cover 3 and the wind spreading cover 4 have the same structure, and the wind collecting cover 3 and the wind spreading cover 4 are symmetrically distributed;

the air diffuser 4 includes a communicating portion 41, an expanding portion 42 and an air outlet portion 43, the communicating portion 41 is connected to the air outlet 14 in a sealing manner, the expanding portion 42 is located at one end of the communicating portion 41 far away from the air supply pipe 13, and the other end of the expanding portion 42 is fixedly connected to the air outlet portion 43.

In this embodiment, the air outlet 14 of the air supply pipe 13 and the air inlet 23 of the exhaust pipe 22 are respectively provided with the air expansion cover 4 and the air collection cover 3 which are symmetrically distributed, the air discharged through the air outlet 14 can be diffused under the operation of the air expansion cover 4, so that the flow velocity of the gas discharged from the air outlet 43 of the air expansion cover 4 is reduced, the air expansion cover 4 can slowly convey the air into the well in a large area, the excessive air flow of the air supply pipe 13 is prevented, the normal operation of the construction personnel in the well is influenced, the area of the air inlet 23 of the exhaust pipe 22 can be increased by the air collection cover 3, the gas in the well can be quickly and massively adsorbed into the exhaust pipe 22, and the exhaust efficiency of the exhaust pipe 22 is improved.

It should be noted that: the expansion portion 42 is of a conical structure, the narrow-mouth end of the expansion portion 42 is located on one side close to the communicating portion 41, and the expansion portion 42 is used for compressing or diffusing gas conveyed by the communicating portion 41, so that the air expansion cover 4 has a wind speed at the air outlet 14, air is conveyed into the well slowly in a large area, the area of the air suction opening 23 can be increased by the air collection cover 3, and the gas in the well can be adsorbed into the exhaust pipe 22 in a large area quickly.

Further, the method comprises the following steps of;

in combination with the above, the air supply duct 13 and the exhaust duct 22 are both provided with the straight portion 131 and the curved portion 132, and the curved portion 132 is located inside the well.

In this embodiment, the straight portion 131 enables the interior of the air supply pipe 13 and the exhaust pipe 22 to be quickly conveyed to the bent portion 132, so as to improve the air supply efficiency and the air exhaust efficiency of the air supply assembly 1 and the air exhaust assembly 2, and the bent portion 132 is located in the well, so that the interior of the air supply pipe 13 and the exhaust pipe 22 can be laid in the well in a large area, thereby reducing the ventilation dead angle in the well and enabling the ventilation in the well to be more thorough.

It should be noted that: the inside of the blast pipe 13 is fixedly provided with a filter plate 12, the filter plate 12 is positioned at one end close to the blower 11, the blower 11 and the filter plate 12 are both positioned outside the well, and the filter plate 12 is a conventional hole type filter screen plate for filtering impurities in the air conveyed by the blast pipe 13.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The air supply and exhaust device for the gold mine is characterized by comprising an air supply assembly (1) and an exhaust assembly (2), wherein the air supply assembly (1) comprises an air feeder (11) and an air supply pipe (13), the air feeder (11) is electrically connected with an external power supply, the air supply pipe (13) is fixedly installed at the output end of the air feeder (11), and the other end of the air supply pipe (13) extends to the bottom of the gold mine;

exhaust subassembly (2) are including exhaust fan (21) and exhaust pipe (22), exhaust fan (21) and external power source electric connection, exhaust pipe (22) fixed mounting be in the output of exhaust fan (21), just exhaust fan (21) are kept away from the one end and the outside purifier sealing connection of exhaust pipe (22), the other end of exhaust pipe (22) extends to well roof.

2. The air supply and exhaust device for the gold mine of claim 1, wherein: exhaust pipe (22) are last to set up aspiration entry (23) of a plurality of horizontal distribution, just set up air outlet (14) of a plurality of horizontal distribution on blast pipe (13), aspiration entry (23) with the quantity of air outlet (14) is the same, and corresponds each other.

3. The air supply and exhaust device for the gold mine of claim 2, wherein: air outlet (14) with wind-collecting cover (3) and fan housing (4) are installed respectively to the relative one side of inlet scoop (23), fan housing (3) with fan housing (4) structure is the same, just fan housing (3) with fan housing (4) are the symmetric distribution.

4. The air supply and exhaust device for the gold mine of claim 3, wherein: the fan housing (4) comprises a communicating part (41), an expanding part (42) and an air outlet part (43), the communicating part (41) is connected with the air outlet (14) in a sealing manner, the expanding part (42) is located the communicating part (41) is far away from one end of the air supply pipe (13), and the other end of the expanding part (42) is fixedly connected with the air outlet part (43).

5. The air supply and exhaust device for the gold mine of claim 4, wherein: the expansion part (42) is in a conical structure, and the narrow-mouth end of the expansion part (42) is positioned at one side close to the communication part (41).

6. The air supply and exhaust device for the gold mine of claim 1, wherein: the blast pipe (13) with exhaust pipe (22) all are equipped with straight portion (131) and flexion (132), flexion (132) are located in the well.

7. The air supply and exhaust device for the gold mine of claim 1, wherein: the filter plate (12) is fixedly installed inside the air supply pipe (13), the filter plate (12) is located at one end close to the air supply machine (11), and the air supply machine (11) and the filter plate (12) are located outside the well.