CN218716633U

CN218716633U - Mine dust collecting device for mining drilling and sampling

Info

Publication number: CN218716633U
Application number: CN202222805383.2U
Authority: CN
Inventors: 齐玉春; 韩红凯; 刘彦伟; 左伟芹; 武圣杰; 石钊旗; 史灿; 贾浩杰
Original assignee: Henan University of Technology
Current assignee: Henan University of Technology
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-24
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to a mine drilling sampling mine dust collecting device in the technical field of mining equipment, which comprises a mine dust collecting mechanism, wherein the mine dust collecting mechanism comprises a sealing component, a sampling component and a filtering and purifying component; the sealing assembly comprises an orifice fixer and a telescopic flexible pipe, the sampling assembly comprises a pipeline I and a sampling box, the filtering and purifying assembly comprises a pipeline II, a filtering pump and a purifying water tank are sequentially arranged on the pipeline II, the top of the purifying water tank is connected with a negative pressure pumping pipeline through a pipeline III, and the lower part of the purifying water tank is connected with a settling tank through a liquid outlet pipe. The utility model has reasonable structure, simple operation and high efficiency, and can effectively extract the mine dust particles generated by coal and rock excavation, so that the whole excavation roadway keeps a relatively good working environment, and the health and safety of mine workers are guaranteed; the mine dust content in the coal sampling process of the drilling machine is reduced, gas containing gas is purified, the cost of extraction facilities is relatively low, and the mine dust source treatment is realized.

Description

Mine dust collecting device for mining drilling and sampling

Technical Field

The utility model belongs to the technical field of mining equipment, concretely relates to mining dust collection device who drills the sample for mine.

Background

The mine dust generated by drilling and coal sample taking in the coal mining process threatens the safety production of mines and the health of workers, and also causes pollution to the atmospheric environment. In addition, the high content of explosive mine dust can cause explosion, which is a great safety hazard affecting the safe production of mines. Therefore, the coal sample is taken and the mine dust is treated at the same time. Patent application No. CN201820199285.X discloses that well head dust collector for drilling equipment includes tubaeform dust cage, guide cylinder, dust remover and sealed gasbag, and when the air current that carries the dust in the drilling passes through the dust remover, fully contact with the water under high pressure that high pressure access pipe sent into and the inside spun water smoke of dust remover inner tube hole of water spout, become wet ball or mud, under the action of gravity, through the dust remover bottom discharge. The above patent only plays the effect of dust removal, can not get rid of the mine dust, purify the gas that contains gas when carrying out the sample to the coal petrography sediment, therefore, needs a mining ore dust collection device who drills the sample to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a mine dust collecting device for mining drilling and sampling, which comprises a mine dust collecting mechanism, wherein the mine dust collecting mechanism comprises a sealing component, a sampling component and a filtering and purifying component;

the sealing assembly comprises an orifice fixer and a telescopic flexible pipe, the orifice fixer is fixed at a drilling position of a rock wall, and a first filling air bag is arranged between the orifice fixer and the rock wall and used for sealing and filling a space between the drilling machine and the coal-rock wall of the roadway; one end of the flexible pipe is fixedly connected with the orifice fixer, and the other end of the flexible pipe is connected with a drilling machine outside the drill hole;

the sampling assembly comprises a first pipeline and a sampling box, one end of the first pipeline is communicated with the side wall of the flexible pipe, and the other end of the first pipeline is communicated with the sampling box;

the filtration purification subassembly includes pipeline two, the one end of pipeline two communicates with the lateral wall of pipeline one, has set gradually filtering pump and purifying water tank on the pipeline two, purifying water tank's top is taken out through pipeline three and is put the tube coupling with the negative pressure, be equipped with negative pressure switch on the pipeline three, be equipped with the inlet tube on the purifying water tank, purifying water tank's lower part is connected with the setting tank through the drain pipe.

Preferably, a coal sample sieve is arranged in the sampling box, and a transparent observation window is arranged on the side wall of the sampling box.

Preferably, the sampling box comprises a box body and an upper cover, the box body is detachably connected with the upper cover, the first pipeline is connected with the upper cover, the observation window is arranged on the upper cover, and the coal sample sieve is detachably arranged in the box body. The condition of the coal rock scraps is observed through a transparent observation window (an acrylic visual window), the upper cover is opened, the coal sample sieve can be installed and replaced, and the coal scraps and coal dust with different required particle sizes are left to determine parameters such as gas content and drill chip analysis indexes.

Preferably, be equipped with a plurality of vertical baffles in the settling tank, a plurality of vertical baffles are even parallel arrangement in the settling tank, and the lower extreme of vertical baffle and the bottom fixed connection of settling tank are located to be equipped with the outlet pipe on the lateral wall of the settling tank that last vertical baffle corresponds, are equipped with the row's of opening and shutting cinder notch on the settling tank.

Preferably, one end of the flexible pipe, which is far away from the drilling hole, is fixedly connected with sealing cloth, the sealing cloth is fixed on the drilling machine through a magic tape with a magnet, and a second filling air bag is arranged between the sealing cloth and the drilling machine and used as secondary sealing for sealing dust at a joint.

The utility model discloses still including other subassemblies that can make the mining mine dirt collection device who drills the sample normal use, for example, the control assembly of rig, the control assembly of filter pump to filling gasbag one, filling the gassy gas charging assembly of gasbag two, the control assembly of pipeline is put in the negative pressure pump, negative pressure switch's control assembly etc. is the conventional technological means in this area. In addition, the utility model discloses in all adopt the conventional technical means in this field with limited device or subassembly, for example, rig, drill way fixer, filter pump, negative pressure drainage pipe way, fill out gasbag, coal sample sieve, negative pressure switch etc. all are the conventional equipment in this field.

The working principle of the utility model is as follows: during drilling, when a drilling machine is used for crushing a front coal wall or rock wall through a drill rod and a drill bit to carry out normal tunneling work, a telescopic flexible pipe arranged between the drilling machine and the rock wall is unfolded, so that a relative closed space is formed between the drilling machine and the rock wall through the telescopic flexible pipe; the flexible pipe can adapt to drilling operation in different places and adapt to different drilling angles.

Extracting mine dust and gas generated by crushing coal rocks or rock walls through the closed space, and extracting the generated mine dust and gas from the closed space through a first pipeline; under the action of a filter pump, extracted mine dust and gas sequentially pass through a first pipeline and a second pipeline, wherein one end of the first pipeline is communicated with the closed space, the other end of the first pipeline is connected with a sampling box, and slag falls into the sampling box of the first pipeline under the action of gravity and can be sampled; the side wall of the first pipeline is connected with the second pipeline, mixed gas containing mineral dust is pressed into the purification water tank through the filter pump, mineral dust particles in the gas can be left, the gas containing the mineral dust is filtered and purified, purified gas flow containing the gas enters the negative pressure drainage pipeline and enters the gas drainage system, water containing the coal dust in the purification water tank enters the settling tank and is discharged into the mine water circulation system after being precipitated and filtered by the vertical baffles, and the negative pressure switch can be closed in an unexpected situation to stop emergently. The utility model discloses a contain that mine dust gas purifies, the mine dust filters, the coal water is from, has avoided polluting atmospheric environment and mining under operational environment, has saved the resource, has improved work efficiency.

The utility model has the advantages of reasonable structure, simple and efficient operation, and can effectively extract mine dust particles generated by coal mining, so that the whole driving tunnel keeps a relatively good working environment, and guarantee is provided for the health and safety of mine workers; the mine dust content in the coal sampling process of the drilling machine is reduced, gas containing gas is purified, the effects of purifying the gas containing the mine dust, filtering the mine dust and separating coal water are realized, the cost of extraction facilities is relatively low, the mine dust source treatment is realized, the propagation path is reduced, and the beneficial effects of safe and efficient production of a mine are guaranteed.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is the utility model discloses a mining dust collecting device who drills the sample's structure schematic diagram.

In the figure: 1. a rock wall; 2. a drill bit; 3. a drill stem; 4. filling a first air bag; 5. an orifice holder; 6. a flexible tube; 7. a closed space; 8. sealing cloth; 9. a drilling machine; 10. a first pipeline; 11. a sampling box; 12. an observation window; 13. screening a coal sample; 14. a second pipeline; 15. a filter pump; 16. a purified water tank; 17. a settling tank; 18. a vertical baffle; 19. a water inlet pipe; 20. a third pipeline; 21. a negative pressure drainage pipeline; 22. slag; 23. and filling a second air bag.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in fig. 1, the utility model provides a mine drilling and sampling mine dust collecting device, which comprises a mine dust collecting mechanism, wherein the mine dust collecting mechanism comprises a sealing component, a sampling component and a filtering and purifying component;

the sealing assembly comprises an orifice fixer 5 and a telescopic flexible pipe 6, the flexible pipe can be a spring pipe (such as a telescopic flexible pipe with a structure similar to a washing machine drain pipe), the orifice fixer 5 is fixed at a drilling position of a rock wall 1, a first filling air bag 4 is arranged between the orifice fixer 5 and the rock wall 1, one end of the flexible pipe 6 is fixedly connected with the orifice fixer 5, and the other end of the flexible pipe 6 is connected with a drilling machine 9 outside the drilling hole, so that a relative closed space 7 is formed between the drilling machine and the rock wall through the telescopic flexible pipe.

The sampling assembly comprises a first pipeline 10 and a sampling box 11, one end of the first pipeline 10 is communicated with the side wall of the flexible pipe 6, and the other end of the first pipeline 10 is communicated with the sampling box 11;

the filtration purification subassembly includes pipeline two 14, the lateral wall intercommunication of the one end of pipeline two 14 and pipeline one 10 has set gradually filter pump 15 and purified water tank 16 on pipeline two 14, purified water tank 16's top is connected with negative pressure drainage pipeline 21 through pipeline three 20, be equipped with negative pressure switch on pipeline three 20, be equipped with inlet tube 19 on purified water tank 16, purified water tank 16's lower part is connected with setting tank 17 through the drain pipe.

A coal sample sieve 13 is arranged in the sampling box 11, and a transparent observation window 12 is arranged on the side wall of the sampling box 11.

The sampling box 11 comprises a box body and an upper cover, the box body is detachably connected with the upper cover through screws, the first pipeline 10 is connected with the upper cover, the observation window 12 is arranged on the upper cover, and the coal sample sieve 13 is detachably arranged in the box body through screws. The condition of slag 22 (coal rock dust) is observed through a transparent observation window 12 (an acrylic visual window), the upper cover is opened, the coal sample sieve 13 can be installed and replaced, and required coal dust with different particle sizes is left to determine parameters such as gas content, drill cuttings analysis indexes and the like.

The sedimentation tank 17 is internally provided with a plurality of vertical baffles 18 which are arranged in the sedimentation tank in an even and parallel manner, the lower ends of the vertical baffles are fixedly connected with the bottom of the sedimentation tank, the side wall of the sedimentation tank corresponding to the last vertical baffle is provided with a water outlet pipe, and the sedimentation tank 17 is provided with a slag discharge port which can be opened and closed.

One end of the flexible pipe 6, which is far away from the drilling hole, is fixedly connected with sealing cloth 8, the sealing cloth 8 is fixed on the drilling machine through a magic tape with a magnet, and a second filling air bag 23 is arranged between the sealing cloth 8 and the drilling machine 9.

It should be noted that: the drilling machine 9 drills the coal rock layer through the drill rod 3 and the drill bit 2, the installation position and the size of the telescopic flexible pipe 6 do not affect the visual field and the operation of a driver of the drilling machine, and a corresponding blowout prevention and slag removal device needs to be equipped to ensure that coal rock scraps are not excessively accumulated, so that accidents are avoided.

And the connection parts between the orifice fixer and the rock wall end and between the telescopic flexible pipe and the drilling machine are provided with filling air bags, gaps can be filled by utilizing air inflation of the air pipe to realize sealing, and the tightness of the sealed space 7 is improved.

The second pipeline 14 adopts a telescopic portable negative pressure extraction pipe, a certain telescopic space can be arranged according to field adjustment, and the second pipeline and the negative pressure switch can be hung on the side wall of the rock wall 1.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments. Any modification, equivalent replacement, and 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 utility model provides a mining mine dust collection device who drills a sample, collects the mechanism including mine dust, its characterized in that: the mine dust collecting mechanism comprises a sealing assembly, a sampling assembly and a filtering and purifying assembly;

the sealing assembly comprises an orifice fixer and a telescopic flexible pipe, the orifice fixer is fixed at a drilling hole of a rock wall, a first filling air bag is arranged between the orifice fixer and the rock wall, one end of the flexible pipe is fixedly connected with the orifice fixer, and the other end of the flexible pipe is connected with a drilling machine outside the drilling hole;

2. The mining drilling sampling mine dust collecting device of claim 1, wherein: the coal sample sieve is arranged in the sampling box, and a transparent observation window is arranged on the side wall of the sampling box.

3. The mining drilling sampling mine dust collecting device of claim 2, wherein: the sampling box comprises a box body and an upper cover, the box body is detachably connected with the upper cover, the first pipeline is connected with the upper cover, the observation window is arranged on the upper cover, and the coal sample sieve is detachably arranged in the box body.

4. The mining drilling sampling mine dust collecting device of claim 1, wherein: the sedimentation tank is internally provided with a plurality of vertical baffles which are arranged in the sedimentation tank in an even and parallel manner, the lower ends of the vertical baffles are fixedly connected with the bottom of the sedimentation tank, the side wall of the sedimentation tank corresponding to the last vertical baffle is provided with a water outlet pipe, and the sedimentation tank is provided with a slag discharge port which can be opened and closed.

5. The mining drilling sampling mine dust collecting device of claim 1, wherein: one end of the flexible pipe, which is far away from the drilling hole, is fixedly connected with sealing cloth, the sealing cloth is fixed on the drilling machine through a magic tape with a magnet, and a second filling air bag is arranged between the sealing cloth and the drilling machine.