CN219101398U

CN219101398U - Underground ventilation device for coal mine

Info

Publication number: CN219101398U
Application number: CN202222882238.4U
Authority: CN
Inventors: 王铁林
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-05-30
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses an underground ventilation device for a coal mine, which comprises a purifying box, wherein an air inlet pipe at the top of the purifying box is fixedly connected with an external pipe, a replacement groove is formed in one side of the purifying box, an active carbon filter box is inserted into the replacement groove, a circulation box is fixedly connected to the inner middle part of the purifying box, a mounting base is fixedly connected to the bottom of the purifying box, and a fan base is fixedly connected to one side of the mounting base. This colliery ventilation unit in pit, through the setting of purifying box, be connected exhaust pipe and external pipe, the inside that gas passed the intake pipe got into the purifying box, and waste gas utilizes active carbon to purify the inside particulate matter of waste gas, harmful substance such as moisture when getting into the inside of active carbon rose box, and the inside outside discharge of waste gas entering flow-through box after the purification has reached the purpose that purifies waste gas, conveniently changes inside active carbon rose box equipment simultaneously, extension device's life.

Description

Underground ventilation device for coal mine

Technical Field

The utility model relates to the technical field of underground coal mine ventilation devices, in particular to an underground coal mine ventilation device.

Background

In the energy structure of China, coal is taken as a basic energy to occupy a particularly important position, and occupies 73.4% of total energy consumption, so that the coal is an important guarantee for sustainable development of industry in China, a mine ventilation system is an important component part of a mine production system, along with the increasing of coal requirements, the continuous development of the coal industry, the production capacity of a mine is larger and larger, the mining depth and the mining breadth are larger and larger, the geological conditions of mining are more complex, and mine ventilation has larger and larger influence on the production and safety of the mine.

Prior patent (common number: CN104669987 a) discloses a ventilation device comprising at least one first light guide and at least one second light guide, wherein the first light guide is fixedly attached to a housing of the ventilation device and the second light guide is fixedly attached to the adjustment insert, wherein the first and second light guide are rotatable relative to each other and the second light guide is capable of being illuminated by the first light guide and a backlight portion of the adjustment insert is capable of being illuminated by the second light guide. The inventor finds that the following problems exist in the prior art in the process of realizing the scheme, and the problems are not well solved:

1. when the ventilation device is used, the ventilation device does not have the function of collecting underground air of a coal mine, so that the turbid air in the underground coal mine cannot be discharged, and a certain erosion is caused to the body of a worker; 2. the ventilation device does not have a purification function, so that the turbid gas sucked into the ventilation device can face the leakage condition, and the effect of absorbing the turbid gas is lost by one step, so that the sucked turbid gas needs to be timely purified by the activated carbon filter box, and the purpose of purifying waste gas is achieved.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a ventilation device for a coal mine, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a colliery ventilation unit in pit, includes the purifying box, the top intake pipe of purifying box, the top fixedly connected with external connection pipe of intake pipe, the replacement groove has been seted up to one side of purifying box, the inside grafting of replacement groove has the active carbon rose box, the interior middle part fixedly connected with circulation case of purifying box, the bottom fixedly connected with installation base of purifying box, one side fixedly connected with fan base of installation base, the top fixedly connected with air emission jar of fan base, the middle part fixedly connected with communicating pipe of purifying box surface opposite side, the top fixedly connected with blast pipe of air emission jar, the internally mounted of fan base has the exhaust fan.

Optionally, one end fixedly connected with barometer of takeover upper surface outward, the middle part of intake pipe is provided with the filter screen plate.

Optionally, the mounting groove has been seted up to the surface in replacement groove, the surface of active carbon filter case is all fixedly connected with installation piece, the handle groove has been seted up in the front of active carbon filter case.

Optionally, the upper surface of active carbon rose box has seted up and has been packed the mouth, the one end of packing the mouth is through dwang swing joint has the apron.

Optionally, air inlets are formed in the periphery, close to the filling opening, of the upper surface of the activated carbon filter box, and filling sponges are fixedly connected to two sides of the outer surface of the activated carbon filter box.

Optionally, the circulation openings are formed on one side of the upper surface and the lower surface of the circulation box, and one end of the circulation box is fixedly connected with a circulation pipe and connected with the communication pipe.

(III) beneficial effects

The utility model provides a coal mine underground ventilation device, which has the following beneficial effects:

1. this colliery ventilation unit in pit, through the setting of purifying box, be connected exhaust pipe and outer tube, the inside that gas passed the intake pipe got into the purifying box, waste gas is when getting into the inside of active carbon rose box, utilize active carbon to purify the inside particulate matter of waste gas, harmful substance such as moisture, the quantity of active carbon is two, improve the efficiency that purifies waste gas when emission is too big, the inside outside discharge of waste gas entering circulation case after the purification has reached the purpose that purifies waste gas, the inside active carbon rose box equipment of convenient change simultaneously, the life of extension device.

2. According to the underground ventilation device for the coal mine, through the arrangement of the air discharge tank, purified gas enters the air discharge tank through the communicating pipe, air rapidly flows upwards by using the exhaust fan in the fan base, the air flow speed is accelerated, the air is discharged from the inside of the exhaust pipe to the outside, the air quality in a region is improved, and the air pollution caused by waste gas is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the explosion structure of the purifying box of the utility model;

FIG. 3 is a schematic view of a fan base structure according to the present utility model.

In the figure: 1. a purifying box; 2. an air inlet pipe; 3. an outer connecting pipe; 4. a replacement tank; 401. a mounting groove; 5. an active carbon filter box; 501. a mounting block; 6. a flow-through box; 601. a flow port; 7. a mounting base; 8. a fan base; 9. an air discharge tank; 10. a communicating pipe; 11. an exhaust pipe; 12. an exhaust fan; 13. an air pressure gauge; 14. a filter screen plate; 15. a filling port; 16. a cover plate; 17. an air inlet.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: a ventilation device under a coal mine, which comprises a purifying box 1;

in order to achieve the purpose of purifying waste gas, therefore, a top air inlet pipe 2 of a purifying box 1 is provided, the middle part of the air inlet pipe 2 is provided with a filter screen plate 14, the top of the air inlet pipe 2 is fixedly connected with an external pipe 3, one end of the upper surface of the external pipe 3 is fixedly connected with an air pressure gauge 13, one side of the purifying box 1 is provided with a replacement groove 4, the outer surface of the replacement groove 4 is provided with a mounting groove 401, the inside of the replacement groove 4 is inserted with an active carbon filter box 5, the outer surface of the active carbon filter box 5 is fixedly connected with a mounting block 501, the front surface of the active carbon filter box 5 is provided with a handle groove, the upper surface of the active carbon filter box 5 is provided with a filling opening 15, one end of the filling opening 15 is movably connected with a cover plate 16 through a rotating rod, the periphery of the upper surface of the active carbon filter box 5, which is close to the filling opening 15, and two sides of the outer surface of the active carbon filter box 5 are fixedly connected with filling sponge;

in order to achieve the aim of quickly discharging purified air and accelerating the discharging efficiency, the circulation box 6 is fixedly connected to the inner middle part of the purification box 1, the circulation openings 601 are formed in one side of the upper surface and the lower surface of the circulation box 6, one end of the circulation box 6 is fixedly connected with a circulation pipe and connected with the communication pipe 10, the bottom of the purification box 1 is fixedly connected with the mounting base 7, one side of the mounting base 7 is fixedly connected with the fan base 8, the top of the fan base 8 is fixedly connected with the air discharging tank 9, the middle part of the other side of the outer surface of the purification box 1 is fixedly connected with the communication pipe 10, the top of the air discharging tank 9 is fixedly connected with the exhaust pipe 11, and the inner part of the fan base 8 is provided with the exhaust fan 12.

Description of use:

1. when the purifying box 1 is used, the exhaust pipe is connected with the external pipe 3, gas passes through the inside of the air inlet pipe 2 and enters the inside of the purifying box 1, when the exhaust gas enters the inside of the activated carbon filtering box 5, the activated carbon is used for purifying harmful substances such as particulate matters, moisture and the like in the exhaust gas, the number of the activated carbon 5 is two, the efficiency of purifying the exhaust gas is improved when the emission is overlarge, the purified exhaust gas enters the inside of the circulating box 6 and is discharged outwards, the aim of purifying the exhaust gas is fulfilled, meanwhile, the equipment of the inside activated carbon filtering box 5 is convenient to replace, and the service life of the device is prolonged;

2. when the air discharge tank 9 is used, the purified gas enters the inside of the air discharge tank 9 through the communicating pipe 10, and the air is rapidly flowed upward by the exhaust fan 12 inside the blower base 8, and the air flow speed is accelerated and discharged from the inside of the exhaust pipe 11 to the outside.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery ventilation unit in pit, includes purifying box (1), its characterized in that: the utility model discloses a purifying box, including purifying box (1), air inlet pipe (2) at the top of purifying box (1), external pipe (3) are connected with at the top of air inlet pipe (2), displacement groove (4) have been seted up to one side of purifying box (1), the inside grafting of displacement groove (4) has active carbon filter tank (5), the interior middle part fixedly connected with circulation case (6) of purifying box (1), the bottom fixedly connected with installation base (7) of purifying box (1), one side fixedly connected with fan base (8) of installation base (7), the top fixedly connected with air discharge jar (9) of fan base (8), the middle part fixedly connected with communicating pipe (10) of purifying box (1) surface opposite side, the top fixedly connected with blast pipe (11) of air discharge jar (9), the internally mounted of fan base (8) has exhaust fan (12).

2. A coal mine underground ventilation apparatus as claimed in claim 1, wherein: one end of the upper surface of the external connection pipe (3) is fixedly connected with a barometer (13), and the middle part of the air inlet pipe (2) is provided with a filter screen plate (14).

3. A coal mine underground ventilation apparatus as claimed in claim 1, wherein: the outer surface of replacement groove (4) has seted up mounting groove (401), the surface of active carbon rose box (5) is all fixedly connected with installation piece (501), the handle groove has been seted up in the front of active carbon rose box (5).

4. A coal mine underground ventilation apparatus as claimed in claim 1, wherein: the upper surface of the active carbon filter box (5) is provided with a filling port (15), and one end of the filling port (15) is movably connected with a cover plate (16) through a rotating rod.

5. A coal mine underground ventilation apparatus as claimed in claim 4, wherein: air inlets (17) are formed in the periphery, close to the filling opening (15), of the upper surface of the activated carbon filter box (5), and filling sponges are fixedly connected to two sides of the outer surface of the activated carbon filter box (5).

6. A coal mine underground ventilation apparatus as claimed in claim 1, wherein: one side of the upper surface and the lower surface of the circulation box (6) is provided with a circulation port (601), and one end of the circulation box (6) is fixedly connected with a circulation pipe and is connected with a communication pipe (10).