CN217129580U

CN217129580U - Fire prevention mechanism is used in colliery underground ventilation

Info

Publication number: CN217129580U
Application number: CN202220323641.0U
Authority: CN
Inventors: 田文雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-05
Anticipated expiration: 2032-02-17

Abstract

The utility model relates to a mine ventilation technical field specifically is a colliery is fire prevention mechanism for ventilation in pit, including spraying rose box, water liquid rose box and filtering layer rose box, the upside rear end that sprays the rose box is provided with the interior gaseous induction pipe of well, the upside front end that sprays the rose box is provided with the gaseous induction pipe of outside, the downside that sprays the rose box is located the inside position department of water liquid rose box and installs the aeration box, the upside of water liquid rose box is located the below position department of filtering layer rose box and installs the air duct, the spray tube is installed to the inside upper end that sprays the rose box, one side upper end that sprays the rose box is provided with the outlet pipe. The utility model discloses an outside gas inlet tube sneaks into outside gas, reduces the concentration of discharge combustible gas in the mine, avoids the emergence of conflagration, removes dust to gas through spraying the rose box, and the inside small granule of gas is strained to the water liquid rose box, strains gaseous harmful substance of gas layer filtration through the active carbon.

Description

Fire prevention mechanism is used in colliery underground ventilation

Technical Field

The utility model relates to a mine ventilation technical field specifically is a colliery is fire prevention mechanism for ventilation in pit.

Background

The basic task of mine ventilation is to supply enough fresh air underground, satisfy personnel's needs to oxygen and dilute harmful gas and dust in the pit, guarantee the safety in production and adjust the underground climate, create good operational environment, the gas in the pit contains a large amount of gas, and gas has combustible and explosive nature, therefore needs fire prevention structure to avoid gas combustion explosion, increases the security in the pit.

Chinese patent discloses a colliery is fire prevention subassembly for ventilation in pit, (grant publication number CN212202114U), this patent technique can be effectual with the dust in the air by the dust collecting funnel collect the dust collecting tank in, the content of dust in the quick reduction air, promote the quality of air, however, above-mentioned device can put out a fire to the gas after the burning, the gas after having burnt has the risk of lighting the mine, be unfavorable for the security of device use, the ventilation efficiency of general device is low, can not in time accomplish the ventilation operation in the mine, general device is lower to gaseous purification completion degree, can not guarantee exhaust gas's cleanliness factor, great to the pollution of environment. Therefore, the technical personnel in the field provide a fire prevention mechanism for underground ventilation of a coal mine, so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is fire prevention mechanism for ventilation in pit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fire-proof mechanism for underground ventilation of coal mine comprises a spraying filter box, a water liquid filter box and a filter layer filter box, the spraying filter tank is positioned at one end of the upper side of the water liquid filter tank, the filtering layer filter tank is positioned at one side of the spraying filter tank, the rear end of the upper side of the spraying filter box is provided with an in-well gas inlet pipe, the front end of the upper side of the spraying filter box is provided with an external gas inlet pipe, an aeration box is arranged at the lower side of the spraying filter tank and positioned in the water liquid filter tank, an air duct is arranged at the upper side of the water liquid filter tank and positioned below the filter layer filter tank, the upper end of the interior of the spraying filter box is provided with a spray pipe, the upper end of one side of the spraying filter box is provided with a water outlet pipe, the water pump is installed to the upside of filtering layer rose box, one side lower extreme position department of water liquid rose box is provided with the inlet tube, the blast pipe is installed to one side of filtering layer rose box.

As a further aspect of the present invention: the utility model discloses a dust filter, including water liquid rose box, blast pipe, fan, water liquid rose box, aeration box, fan, dust filter layer, the inside lower extreme that closes on the blast pipe of water liquid rose box is provided with the active carbon gas layer of straining, the fan is installed to the lower extreme of air duct, one side upper end of water liquid rose box is provided with the filler, the lower extreme outside of aeration box is provided with the aeration net, one side lower extreme position department that sprays the rose box is provided with the slagging-off board, the inside lower extreme that sprays the rose box is provided with the dust filter layer.

As a further aspect of the present invention: the input of spray tube link up with the output of outlet pipe mutually, the input of outlet pipe links up with the output of water pump mutually, the input of water pump links up with the output of inlet tube mutually.

As a further aspect of the present invention: the lower side of the spraying filter box is communicated with the upper side of the aeration box, the lower end of the aeration box is communicated with the inside of the water liquid filter box, and the upper side of the water liquid filter box is communicated with the lower side of the filter layer filter box through the air guide pipe.

As a further aspect of the present invention: the spraying filter box is communicated with the aeration box through a dust filter layer, and the aeration box is communicated with the water liquid filter box through an aeration net.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses coal mine is ventilation in pit uses fire prevention mechanism sneaks into the external gas through the external gas inlet tube, reduce discharge combustible gas's in the mine concentration, avoid the emergence of conflagration, prevent fires from the root, the safety in utilization of improvement device, remove dust to gas through spraying the rose box, the inside small granule of gas is purified to the water liquid rose box, harmful substance through active carbon filtering gas layer filtering gas, the filtration efficiency of improvement device, and filterable cleanliness factor is high, reduce the pollution of discharge gas to the environment.

Drawings

FIG. 1 is a schematic structural view of a fire protection mechanism for underground ventilation of a coal mine;

FIG. 2 is a perspective view of a fire protection mechanism for ventilation in a coal mine;

fig. 3 is a schematic structural diagram of a part a in a fire protection mechanism for coal mine underground ventilation 2.

In the figure: 1. spraying a filter box; 2. a water liquid filter tank; 3. a filter layer filter box; 4. an air duct; 5. a well gas inlet pipe; 6. an external gas introduction pipe; 7. a water outlet pipe; 8. a water pump; 9. a water inlet pipe; 10. an exhaust pipe; 11. an aeration box; 12. a nozzle; 13. an active carbon gas filtering layer; 14. a fan; 15. a water filling port; 16. an aeration net; 17. a slag removal plate; 18. a dust filtering layer.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a fire protection mechanism for coal mine underground ventilation comprises a spray filter box 1, a water liquid filter box 2 and a filter layer filter box 3, wherein the spray filter box 1 is located at one end of the upper side of the water liquid filter box 2, the filter layer filter box 3 is located at one side position of the spray filter box 1, the rear end of the upper side of the spray filter box 1 is provided with an underground gas inlet pipe 5, the front end of the upper side of the spray filter box 1 is provided with an external gas inlet pipe 6, the lower side of the spray filter box 1 is located at the internal position of the water liquid filter box 2 and is provided with an aeration box 11, the upper side of the water liquid filter box 2 is located at the lower position of the filter layer filter box 3 and is provided with a gas guide pipe 4, the upper end of the interior of the spray filter box 1 is provided with a spray pipe 12, the upper end of one side of the spray filter box 1 is provided with a water outlet pipe 7, the upper side of the filter box 3 is provided with a water pump 8, the lower end position of one side of the water liquid filtering box 2 is provided with a water inlet pipe 9, one side of the filtering layer filtering box 3 is provided with an exhaust pipe 10, the input end of a spray pipe 12 is communicated with the output end of a water outlet pipe 7, the input end of the water outlet pipe 7 is communicated with the output end of a water pump 8, the input end of the water pump 8 is communicated with the output end of the water inlet pipe 9, the lower side of the spraying filtering box 1 is communicated with the upper side of an aeration box 11, the lower end of the aeration box 11 is communicated with the inside of the water liquid filtering box 2, and the upper side of the water liquid filtering box 2 is communicated with the lower side of the filtering layer filtering box 3 through an air duct 4. firstly, the device is taken out and placed at a use position, the well gas inlet pipe 5 is connected with a mine gas outlet pipe, the external gas inlet pipe 6 is connected with an external gas outlet pipe, clear water is added into the inside of the water liquid filtering box 2, then, the device is started to be used, gas in the mine enters the inside of the spraying filter box 1 through the gas inlet pipe 5 in the mine, external gas enters the inside of the spraying filter box 1 through the external gas inlet pipe 6, the water pump 8 operates, water liquid inside the water liquid filter box 2 is extracted through the water inlet pipe 9, the inside of the spraying pipe 12 is introduced through the water outlet pipe 7, the spraying pipe 12 sprays water liquid to perform dust fall on gas inside the spraying filter box 1, water liquid and gas inside the spraying filter box 1 enter the inside of the aeration box 11 after dust filtration, dust is retained inside the spraying filter box 1, gas and water inside the aeration box 11 are introduced inside the water liquid filter box 2, the water liquid filter box 2 adsorbs micro particles, purified gas enters the inside of the filtering layer filter box 3 through the gas guide pipe 4, and the gas inside the filtering layer filter box 3 is discharged through the exhaust pipe 10 after being filtered.

In fig. 2, 3: an active carbon gas filtering layer 13 is arranged in the position close to the exhaust pipe 10 in the water liquid filtering box 2, a fan 14 is arranged at the lower end of the gas guide pipe 4, a water adding port 15 is arranged at the upper end of one side of the water liquid filtering box 2, an aeration net 16 is arranged on the outer side of the lower end of the aeration box 11, a slag removing plate 17 is arranged at the lower end of one side of the spraying filtering box 1, a dust filtering layer 18 is arranged at the lower end in the spraying filtering box 1, the spraying filtering box 1 is communicated with the aeration box 11 through the dust filtering layer 18, the aeration box 11 is communicated with the water liquid filtering box 2 through the aeration net 16, clear water is added into the water liquid filtering box 2 through the water adding port 15, then, the use is started, in the use process, the fan 14 operates, gas in a mine enters the spraying filtering box 1 through a gas inlet pipe 5 in the mine, and external gas is introduced into the spraying filtering box 1 through an external gas inlet pipe 6, the operation of water pump 8, extract the inside water liquid of water liquid rose box 2 through inlet tube 9, the inside of leading-in spray tube 12 through outlet pipe 7, spray tube 12 blowout water liquid is to the gaseous dust fall of spraying rose box 1 inside, the inside water liquid and the gas of spraying rose box 1 are gone into the inside of aeration box 11 after the filtration of dust filter layer 18, the dust is detained the upside at dust filter layer 18, the inside gaseous water liquid of aeration box 11 is through the inside of leading-in water liquid rose box 2 of aeration net 16, water liquid rose box 2 adsorbs the tiny granule, gas after the purification passes through the inside of air duct 4 entering filter box 3, the inside gas of filter box 3 is discharged through blast pipe 10 after the filtration of active carbon filter layer 13.

The utility model discloses a theory of operation is: firstly, taking out the device, placing the device at a using position, connecting a well gas inlet pipe 5 to a mine gas outlet pipe, connecting an external gas inlet pipe 6 to an external gas outlet pipe, adding clear water into the interior of a water liquid filter box 2 through a water filling port 15, then, starting to use, during the using process, operating a fan 14, enabling gas in a mine to enter the interior of a spraying filter box 1 through the well gas inlet pipe 5, enabling the external gas to be led into the interior of the spraying filter box 1 through the external gas inlet pipe 6, operating a water pump 8, pumping water liquid in the water liquid filter box 2 through a water inlet pipe 9, leading the water liquid into the interior of a spray pipe 12 through a water outlet pipe 7, enabling the spray pipe 12 to spray water liquid to reduce dust of gas in the spraying filter box 1, enabling the water liquid and the gas in the spraying filter box 1 to enter the interior of an aeration box 11 after the dust filter layer 18 is filtered, and enabling dust to be blocked at the upper side of the dust filter layer 18, gas and water liquid in the aeration box 11 are led into the water liquid filtering box 2 through the aeration net 16, the water liquid filtering box 2 adsorbs micro particles, the purified gas enters the filtering layer filtering box 3 through the gas guide pipe 4, and the gas in the filtering layer filtering box 3 is discharged through the exhaust pipe 10 after being filtered by the active carbon gas filtering layer 13.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a colliery is fire prevention mechanism for ventilation in pit, includes sprays rose box (1), water liquid rose box (2) and filtering layer rose box (3), it is located the upside one end of water liquid rose box (2) to spray rose box (1), filtering layer rose box (3) are located one side position department that sprays rose box (1), its characterized in that, the upside rear end that sprays rose box (1) is provided with interior gas inlet pipe (5), the upside front end that sprays rose box (1) is provided with outside gas inlet pipe (6), the downside that sprays rose box (1) is located the inside position department of rose box (2) and installs aeration box (11), the upside that sprays rose box (2) is located the below position department of filtering layer rose box (3) and installs air duct (4), spray tube (12) are installed to the inside upper end that sprays rose box (1), the spraying filter box is characterized in that an outlet pipe (7) is arranged at the upper end of one side of the spraying filter box (1), a water pump (8) is installed at the upper side of the filter layer filter box (3), an inlet pipe (9) is arranged at the lower end of one side of the water liquid filter box (2), and an exhaust pipe (10) is installed at one side of the filter layer filter box (3).

2. The fire prevention mechanism for coal mine underground ventilation according to claim 1, characterized in that an activated carbon gas filtering layer (13) is arranged at a position close to the exhaust pipe (10) in the water liquid filtering tank (2), a fan (14) is installed at the lower end of the gas guide pipe (4), a water filling port (15) is arranged at the upper end of one side of the water liquid filtering tank (2), an aeration net (16) is arranged on the outer side of the lower end of the aeration box (11), a slag removing plate (17) is arranged at the lower end of one side of the spraying filtering tank (1), and a dust filtering layer (18) is arranged at the lower end of the inside of the spraying filtering tank (1).

3. The fire prevention mechanism for coal mine underground ventilation according to claim 1, wherein an input end of the spray pipe (12) is communicated with an output end of the water outlet pipe (7), an input end of the water outlet pipe (7) is communicated with an output end of the water pump (8), and an input end of the water pump (8) is communicated with an output end of the water inlet pipe (9).

4. The fire prevention mechanism for coal mine underground ventilation according to claim 1, wherein the lower side of the spraying filter tank (1) is communicated with the upper side of the aeration box (11), the lower end of the aeration box (11) is communicated with the inside of the water liquid filter tank (2), and the upper side of the water liquid filter tank (2) is communicated with the lower side of the filtering layer filter tank (3) through the gas guide tube (4).

5. The fire prevention mechanism for coal mine underground ventilation according to claim 2 is characterized in that the spraying filter box (1) is communicated with the aeration box (11) through a dust filter layer (18), and the aeration box (11) is communicated with the water liquid filter box (2) through an aeration net (16).