CN210686047U

CN210686047U - Coal mine underground gas extraction device

Info

Publication number: CN210686047U
Application number: CN201921836202.4U
Authority: CN
Inventors: 杨德智; 李红月; 张凯云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-06-05
Anticipated expiration: 2029-10-29

Abstract

The utility model relates to a gas drainage technical field just discloses a colliery is gas drainage device in pit, comprising a base plate, the right side of bottom plate upper surface is provided with the gas pump station, be provided with the gas collection case behind the gas pump station, the air inlet of gas collection case passes through the pipe intercommunication with the output of gas pump station, the left side of bottom plate upper surface is provided with catch water, catch water's gas outlet passes through the pipe intercommunication with the input of gas pump station. This colliery is gas extraction device in pit has accomplished the filtration to the inside impurity that exists of gas through the filter layer, has avoided impurity to stop up and has taken out the pipeline, and the adsorbed layer has realized the absorption to the inside harmful gas that exists of gas, has reduced the inside harmful gas's of gas composition for user's safety has obtained the guarantee, and catch water has realized the separation of the inside liquid of gas and gas, makes the concentration of gas obtain the assurance, has improved the utilization ratio of gas.

Description

Coal mine underground gas extraction device

Technical Field

The utility model relates to a gas takes out and adopts technical field, specifically is a colliery is gas in pit takes out and adopts device.

Background

The gas is colorless, tasteless and odorless gas, is difficult to dissolve in water, does not support combustion and can not maintain breath, when reaching a certain concentration, people can be subjected to anoxic asphyxiation and can also be subjected to combustion or explosion, gas explosion is one of main disasters of a coal mine, many cases of casualties and serious damage to production caused by gas explosion exist at home and abroad, so that effective preventive measures must be taken to avoid gas explosion accidents and ensure safe production, gas extraction is an effective processing method, and the number of gas extraction devices is increased along with the increase of the number of coal mine exploitation; the coal mine gas extraction is to drill a coal seam and a gas gathering area, connect a drill hole on a special pipeline, and extract gas in the coal seam and a goaf to the ground by using extraction equipment for utilization; or to the air; the gas extraction device in the prior art has the defects of complex structure, easy blockage of an extraction pipeline by dust, water and the like, large amount of water in gas, incapability of ensuring the concentration of the gas and reduction of the utilization rate of the gas.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a colliery is gas in pit and is taken out and adopt device has solved the gas of prior art and has taken out and adopt the device and exist that the structure is complicated, take out and take out that the pipeline is easy to be contained a large amount of moisture in blockking up, the gas such as dust or water, and the concentration of gas can not obtain guaranteeing, has reduced the problem of the utilization ratio of gas.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine underground gas extraction device comprises a bottom plate, wherein a gas pump station is arranged on the right side of the upper surface of the bottom plate, a gas collection box is arranged behind the gas pump station, an air inlet of the gas collection box is communicated with the output end of the gas pump station through a guide pipe, a steam-water separator is arranged on the left side of the upper surface of the bottom plate, an air outlet of the steam-water separator is communicated with the input end of the gas pump station through a guide pipe, a water outlet of the steam-water separator is communicated with a rubber hose, the right end of the rubber hose is communicated with a water tank, the lower surface of the water tank is fixedly connected with the upper surface of the bottom plate, an air inlet of the steam-water separator is communicated with a drying cylinder through a first air suction pipe, an alkali stone ash plate is arranged on the inner wall of the drying cylinder, a left side surface of the drying cylinder is communicated with a, the filter box is characterized in that an adsorption layer is arranged at the top inside the filter box, a filter layer is arranged at the bottom inside the filter box, a connecting pipe is communicated with the middle of the lower surface of the filter box, a first flange is fixedly connected to the bottom end of the connecting pipe, a third air suction pipe is arranged right below the connecting pipe, and a second flange is fixedly connected to the top end of the third air suction pipe.

Preferably, mounting holes are formed in the upper surfaces of the first flange and the second flange, and the first flange and the second flange are fixedly connected through bolts.

Preferably, the lower surface of the first flange and the upper surface of the second flange are both provided with mounting grooves, and sealing gaskets are arranged inside the mounting grooves.

Preferably, a plurality of groups of filter screens are arranged in the filter layer, the aperture of each filter screen is between ten microns and five microns, and the apertures of the filter screens are sequentially reduced from top to bottom.

Preferably, the lower surface of the filtering box body is provided with an air inlet, and the inner diameter of the air inlet is matched with the outer diameter of the connecting pipe.

Preferably, the inner wall of the drying cylinder is provided with a clamping groove, the alkali lime plate is in a shape of a square, and the alkali lime plate is clamped with the clamping groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a colliery is gas in pit and is taken out device possesses following beneficial effect:

1. this colliery is gas extraction device in pit has accomplished the filtration to the inside impurity that exists of gas through the filter layer, has avoided impurity to stop up and has taken out the pipeline, and the adsorbed layer has realized the absorption to the inside harmful gas that exists of gas, has reduced the inside harmful gas's of gas composition for user's safety has obtained the guarantee, and catch water has realized the separation of the inside liquid of gas and gas, makes the concentration of gas obtain the assurance, has improved the utilization ratio of gas.

2. This colliery is gas extraction device in pit through the cooperation of a drying section of thick bamboo and alkali stone ash board, has accomplished absorption and drying to the inside steam that exists of gas, has reduced the composition of the inside steam of gas, and the cooperation between catch water, flexible rubber hose and the water tank has realized the recycle to the inside steam of gas, has practiced thrift the water resource, has protected the environment.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the filtering device of the present invention;

FIG. 3 is a schematic view of the internal structure of the drying cylinder of the present invention;

fig. 4 is a schematic structural view of the sealing device of the present invention.

In the figure: 1. a base plate; 2. a gas pump station; 3. a gas collection tank; 4. a conduit; 5. a steam-water separator; 6. a rubber hose; 7. a water tank; 8. a first inhalation tube; 9. a drying cylinder; 10. alkali lime boards; 11. a second suction duct; 12. a filtration device; 1201. a filter box body; 1202. an adsorption layer; 1203. a filter layer; 13. a connecting pipe; 14. a first flange; 15. a third suction duct; 16. a second flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a coal mine underground gas extraction device comprises a bottom plate 1, a gas pump station 2 is arranged on the right side of the upper surface of the bottom plate 1, a gas collecting tank 3 is arranged right behind the gas pump station 2, an air inlet of the gas collecting tank 3 is communicated with an output end of the gas pump station 2 through a conduit 4, a steam-water separator 5 is arranged on the left side of the upper surface of the bottom plate 1, the steam-water separator 5 realizes the separation of liquid and gas in the gas, the concentration of the gas is ensured, the utilization rate of the gas is improved, an air outlet of the steam-water separator 5 is communicated with an input end of the gas pump station 2 through a conduit 4, a water outlet of the steam-water separator 5 is communicated with a rubber hose 6, the right end of the rubber hose 6 is communicated with a water tank 7, the steam-water separator 5, the rubber hose 6 and the water tank 7 are matched, the recycling of water vapor in the gas is realized, the water resource is saved, the, an air inlet of the steam-water separator 5 is communicated with a drying cylinder 9 through a first air suction pipe 8, the drying cylinder 9 is matched with an alkali stone ash plate 10, the absorption and drying of water vapor existing in gas are completed, the components of the water vapor in the gas are reduced, the alkali stone ash plate 10 is arranged on the inner wall of the drying cylinder 9, a clamping groove is formed in the inner wall of the drying cylinder 9, the alkali stone ash plate 10 is in a shape like a Chinese character 'kou', the alkali stone ash plate 10 is clamped with the clamping groove, the alkali stone ash plate 10 is convenient to mount and dismount, the alkali stone ash plate 10 in the drying cylinder 9 is ensured to be always in a drying state, the left side face of the drying cylinder 9 is communicated with a second air suction pipe 11, the bottom end of the second air suction pipe 11 is communicated with a filtering device 12, the filtering device 12 comprises a filtering box body 1201, an adsorption layer 1202 is arranged on the top in the filtering box body 1201, the adsorption layer 1202 realizes the absorption of harmful gas existing, the safety of a user is guaranteed, a filtering layer 1203 is arranged at the bottom inside the filtering box body 1201, the filtering layer 1203 finishes filtering impurities in gas, the situation that the impurities block an extraction pipeline is avoided, a plurality of groups of filtering nets are arranged inside the filtering layer 1203, the pore diameters of the filtering nets are between ten micrometers and five micrometers, the pore diameters of the filtering nets are sequentially reduced from top to bottom, the impurities in the gas are filtered for multiple times, the situation that the impurities block the extraction pipeline is avoided, a connecting pipe 13 is communicated with the middle of the lower surface of the filtering box body 1201, an air inlet is formed in the lower surface of the filtering box body 1201, the inner diameter of the air inlet is matched with the outer diameter of the connecting pipe 13, the speed of installing the connecting pipe 13 is increased, the working efficiency is improved, a first flange 14 is fixedly connected to the bottom end of the connecting pipe 13, a third air suction pipe 15 is arranged right, the mounting hole has all been seted up to the upper surface of first flange 14 and second flange 16, and first flange 14 and second flange 16 pass through bolt fixed connection, can increase the quantity of third breathing pipe 15 according to the length of drilling, have made things convenient for user's use, and the mounting groove has all been seted up to the lower surface of first flange 14 and the upper surface of second flange 16, and the inside of mounting groove is provided with sealed the pad, has strengthened the leakproofness of taking out the drainage pipeline, has avoided gas to leak outward.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When in use, the gas pump station 2 is controlled to start, the gas is pumped out of the mine by the negative pressure generated by the operation of the gas pump station 2, the gas enters the filter device 12 through the third air suction pipe 15, the gas passes through the filtering layer 1203 to filter impurities in the gas, the gas passes through the adsorption layer 1202 to adsorb harmful substances in the gas, the gas enters the drying cylinder 9 through the second air suction pipe 11, the alkali lime plate 10 in the drying cylinder 9 absorbs most of water vapor in the gas, the gas enters the steam-water separator 5 through the first air suction pipe 8, the steam-water separator 5 separates residual water and vapor in the gas, the separated liquid enters the water tank 7 through the rubber hose 6, the separated gas enters the gas pump station 2 through the guide pipe 4, and then enters the gas collection tank 3 through the gas pump station 2 through the guide pipe 4, so that the gas pump station is controlled to stop running, and the gas is extracted.

In conclusion, the coal mine underground gas extraction device completes the filtration of impurities in gas through the filter layer 1203, prevents the impurities from blocking an extraction pipeline, the adsorption layer 1202 realizes the absorption of harmful gas in the gas, reduces the components of the harmful gas in the gas, ensures the safety of a user, and the steam-water separator 5 realizes the separation of liquid and gas in the gas, ensures the concentration of the gas and improves the utilization rate of the gas.

This colliery is gas extraction device in pit through the cooperation of a drying section of thick bamboo 9 and alkali stone ash board 10, has accomplished absorption and drying to the inside steam that exists of gas, has reduced the composition of the inside steam of gas, and the cooperation between catch water 5, rubber hose 6 and the water tank 7 has realized the recycle to the inside steam of gas, has practiced thrift the water resource, has protected the environment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a colliery is gas extraction in pit device, includes bottom plate (1), its characterized in that: the gas pump station (2) is arranged on the right side of the upper surface of the bottom plate (1), the gas collecting tank (3) is arranged on the front rear side of the gas pump station (2), the air inlet of the gas collecting tank (3) is communicated with the output end of the gas pump station (2) through a guide pipe (4), the left side of the upper surface of the bottom plate (1) is provided with a steam-water separator (5), the air outlet of the steam-water separator (5) is communicated with the input end of the gas pump station (2) through the guide pipe (4), the water outlet of the steam-water separator (5) is communicated with a rubber hose (6), the right end of the rubber hose (6) is communicated with a water tank (7), the lower surface of the water tank (7) is fixedly connected with the upper surface of the bottom plate (1), the air inlet of the steam-water separator (5) is communicated with a drying cylinder (9) through a first air suction pipe (8), and the, the left side of drying cylinder (9) communicates second breathing pipe (11), the bottom intercommunication of second breathing pipe (11) has filter equipment (12), filter equipment (12) are including filtering box (1201), the inside top of filtering box (1201) is provided with adsorbed layer (1202), the inside bottom of filtering box (1201) is provided with filter layer (1203), the middle part intercommunication of filtering box (1201) lower surface has connecting pipe (13), the first flange (14) of bottom fixedly connected with of connecting pipe (13), be provided with third breathing pipe (15) under connecting pipe (13), the top fixedly connected with second flange (16) of third breathing pipe (15).

2. The coal mine underground gas extraction device according to claim 1, characterized in that: mounting holes are formed in the upper surfaces of the first flange (14) and the second flange (16), and the first flange (14) and the second flange (16) are fixedly connected through bolts.

3. The coal mine underground gas extraction device according to claim 1, characterized in that: the lower surface of first flange (14) and the upper surface of second flange (16) have all seted up the mounting groove, and the inside of mounting groove is provided with sealed the pad.

4. The coal mine underground gas extraction device according to claim 1, characterized in that: a plurality of groups of filter screens are arranged in the filter layer (1203), the aperture of each filter screen is between ten microns and five microns, and the aperture of each filter screen is reduced from top to bottom in sequence.

5. The coal mine underground gas extraction device according to claim 1, characterized in that: an air inlet is formed in the lower surface of the filtering box body (1201), and the inner diameter of the air inlet is matched with the outer diameter of the connecting pipe (13).

6. The coal mine underground gas extraction device according to claim 1, characterized in that: the inner wall of the drying cylinder (9) is provided with a clamping groove, the alkali lime plate (10) is in a shape like a Chinese character kou, and the alkali lime plate (10) is clamped with the clamping groove.