CN212716748U

CN212716748U - Coal seam down-hole drilling drainage device

Info

Publication number: CN212716748U
Application number: CN202021590099.2U
Authority: CN
Inventors: 李子云; 李云
Original assignee: Zibo Rongqian Plastic Products Co ltd
Current assignee: Zibo Rongqian Plastic Products Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-16
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a down drilling drainage device in coal seam, including sealing the hole pipe, the inside of sealing the hole pipe is provided with built-in three-way pipe, the top of built-in three-way pipe is run through and is sealed the hole pipe and extend to the top of sealing the hole pipe, the inside of sealing the hole pipe is provided with and is located the left drain pipe of built-in three-way pipe. The utility model discloses effectively solve the down drilling in colliery coal seam and cause the gas to take out and put the difficulty and even the unable condition of taking out and putting because of the coal seam infiltration, can effectually be with the infiltration in the blind hole, the effective convenient discharge of ponding, and can convenient and fast's completion drainage and the switching of taking out and putting the gas, reach and improve the gas drainage effect, the high efficiency and convenient operation, the device can reuse, reach the purpose that reduces material cost, it discharges groundwater to have solved current drainage mode many through the water pump, can't reach and solve the down drilling in colliery coal seam and cause the effect of gas drainage difficulty because of the coal seam infiltration, the problem of the exploitation degree of difficulty in colliery has been improved.

Description

Coal seam down-hole drilling drainage device

Technical Field

The utility model relates to a coal mine equipment technical field specifically is coal seam drainage device that drills down.

Background

Coal mines are generally divided into miners and opencast coal mines in areas where coal resources are mined in coal-rich mining areas, and when a coal seam is far from the ground surface, excavation of coal into an underground excavation roadway is generally selected, so that the miners are miners, and when the coal seam is close to the ground surface, excavation of coal by directly stripping a surface soil layer is generally selected, so that the opencast coal mine is obtained, and the coal mine range includes large areas of the ground, the underground and related facilities.

The phenomenon of infiltration appears easily in the mining in-process in the mineworker's colliery, but present drainage mode is mostly through the water pump with groundwater discharge, can't reach the effect of solving colliery coal seam down drilling and causing the gas drainage difficulty because of the coal seam infiltration, has improved the mining degree of difficulty in colliery.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide a coal seam drainage device that drills down possesses convenient drainage, improves the advantage of the drainage effect of gas, has solved current drainage mode and has discharged groundwater through the water pump more, can't reach the problem of the exploitation degree of difficulty of solving the coal mine coal seam and drilling down and causing the gas to pump down the effect of difficulty because of the coal seam infiltration, has improved the colliery.

In order to achieve the above object, the utility model provides a following technical scheme: the coal seam downward drilling and draining device comprises a hole sealing pipe, wherein a built-in three-way pipe is arranged inside the hole sealing pipe, the top end of the built-in three-way pipe penetrates through the hole sealing pipe and extends to the top of the hole sealing pipe, a drain pipe located on the left side of the built-in three-way pipe is arranged inside the hole sealing pipe, a connecting pipe is arranged at the top of the built-in three-way pipe, the right end of the drain pipe and the bottom end of the connecting pipe both extend into the built-in three-way pipe and are in threaded connection with the built-in three-way pipe, a water valve is communicated with one end, away from the built-in three-way pipe, of the connecting pipe, a reducing three-way pipe is arranged on the right side of the hole sealing pipe, a pressure air valve is arranged at the right end of the reducing three-way pipe, the left end of the pressure air valve and the right end of the hole sealing.

As the utility model discloses it is preferred, the one end that the reducing three-way pipe was kept away from to drainage valve and pressure wind valve all communicates there is the delivery pipe, the ripple groove has been seted up on the surface of delivery pipe, the ripple groove is sunken and protruding mutual range group one-tenth.

As the utility model discloses it is preferred, the right-hand member of hole sealing pipe is located the inside sealing ring of reducing three-way pipe with the equal fixedly connected with in the left end of pressure wind valve, is the surface of sealing ring and the inner wall contact of reducing three-way pipe, the material of sealing ring is silica gel.

As the utility model discloses it is preferred, the top fixedly connected with support of reducing three-way pipe, the one end of reducing three-way pipe and the bottom fixed connection of water valve are kept away from to the support.

As the utility model discloses it is preferred, the fixed surface of hole sealing pipe is connected with the cover and is established the sleeve pipe on built-in three-way pipe surface, the sheathed tube internal surface is connected with the fixed surface of built-in three-way pipe.

As the utility model discloses preferred, the inspection hole has been seted up on the sheathed tube surface, the aperture of inspection hole is twelve millimeters.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses effectively solve the down drilling in colliery coal seam and cause the gas to take out and put the difficulty and even the unable condition of taking out and putting because of the coal seam infiltration, can effectually be with the infiltration in the blind hole, the effective convenient discharge of ponding, and can convenient and fast's completion drainage and the switching of taking out and putting the gas, reach and improve the gas drainage effect, the high efficiency and convenient operation, the device can reuse, reach the purpose that reduces material cost, it discharges groundwater to have solved current drainage mode many through the water pump, can't reach and solve the down drilling in colliery coal seam and cause the effect of gas drainage difficulty because of the coal seam infiltration, the problem of the exploitation degree of difficulty in colliery has been improved.

2. The utility model discloses a set up the delivery pipe, can be convenient for take out and put the valve and press the wind valve to be connected with all kinds of equipment, can improve and connect fastening nature and installation effectiveness.

3. The utility model discloses a set up the sealing ring, can improve the leakproofness of reducing three-way pipe, avoid the reducing three-way pipe and seal the inside atmospheric pressure of hole pipe and take place to reveal.

4. The utility model discloses a set up the support, can play the effect of support to the water valve, can improve discharging equipment's bulk strength, avoid the phenomenon that the connecting pipe appears warping.

5. The utility model discloses a set up the sleeve pipe, can play the effect of support to built-in three-way pipe, improve the leakproofness that built-in three-way pipe runs through the department.

6. The utility model discloses a set up the inspection hole, can convenient to use person detect sealing the inside gas content of hole pipe and atmospheric pressure, can improve discharging equipment's practicality and functionality.

Drawings

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

FIG. 2 is a schematic partial cross-sectional view of the main viewing structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. sealing the hole pipe; 2. a three-way pipe is arranged inside; 3. a drain pipe; 4. a connecting pipe; 5. a water valve; 6. a reducing three-way pipe; 7. a compressed air valve; 8. a drainage valve; 9. a discharge pipe; 10. a corrugated groove; 11. a seal ring; 12. a support; 13. a sleeve; 14. and (6) detecting holes.

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.

As shown in fig. 1 to 3, the coal seam downward drilling drainage device provided by the utility model comprises a hole sealing pipe 1, a built-in three-way pipe 2 is arranged inside the hole sealing pipe 1, the top end of the built-in three-way pipe 2 penetrates through the hole sealing pipe 1 and extends to the top of the hole sealing pipe 1, a drain pipe 3 positioned at the left side of the built-in three-way pipe 2 is arranged inside the hole sealing pipe 1, a connecting pipe 4 is arranged at the top of the built-in three-way pipe 2, the right end of the drain pipe 3 and the bottom end of the connecting pipe 4 both extend into the built-in three-way pipe 2 and are in threaded connection with the built-in three-way pipe 2, a water valve 5 is communicated at one end of the connecting pipe 4 far away from the built-in three-way pipe 2, a reducing three-way pipe 6 is arranged at the right side of the hole sealing pipe 1, a pressure air valve 7 is arranged at the right end of the reducing three-way pipe, the bottom of the reducing three-way pipe 6 is communicated with a drainage valve 8.

Referring to fig. 1, the end of the bleed-off valve 8 and the end of the compressed air valve 7 far away from the reducing three-way pipe 6 are both communicated with a discharge pipe 9, the surface of the discharge pipe 9 is provided with a corrugated groove 10, and the corrugated groove 10 is formed by mutually arranging a recess and a protrusion.

As the utility model discloses a technical optimization scheme, through setting up delivery pipe 9, can be convenient for press the wind valve 7 and take out the blow off valve 8 and be connected with all kinds of equipment, can improve connection fastening nature and installation effectiveness.

Referring to fig. 3, the right end of the hole sealing pipe 1 and the left end of the compressed air valve 7 are both fixedly connected with a sealing ring 11 located inside the reducing three-way pipe 6, the outer surface of the sealing ring 11 is in contact with the inner wall of the reducing three-way pipe 6, and the sealing ring 11 is made of silica gel.

As the utility model discloses a technical optimization scheme through setting up sealing ring 11, can improve the leakproofness of reducing three-way pipe 6, avoids reducing three-way pipe 6 and the inside atmospheric pressure of hole sealing pipe 1 to take place to reveal.

Referring to fig. 1, a support 12 is fixedly connected to the top of the reducing tee 6, and one end of the support 12, which is far away from the reducing tee 6, is fixedly connected to the bottom of the water valve 5.

As a technical optimization scheme of the utility model, through setting up support 12, can play the effect of support to water valve 5, can improve discharging equipment's bulk strength, avoid connecting pipe 4 the phenomenon of deformation to appear.

Referring to fig. 2, a sleeve 13 sleeved on the surface of the built-in three-way pipe 2 is fixedly connected to the surface of the hole sealing pipe 1, and the inner surface of the sleeve 13 is fixedly connected to the surface of the built-in three-way pipe 2.

As a technical optimization scheme of the utility model, through setting up sleeve pipe 13, can play the effect of support to built-in three-way pipe 2, improve the leakproofness that built-in three-way pipe 2 runs through the department.

Referring to fig. 1, a detection hole 14 is formed on the surface of the casing 13, and the diameter of the detection hole 14 is twelve millimeters.

As the utility model discloses a technical optimization scheme, through setting up inspection hole 14, can the person of facilitating the use detect sealing hole pipe 1 inside gas content and atmospheric pressure, can improve discharging equipment's practicality and functionality.

The utility model discloses a theory of operation and use flow:

example 1:

when the gas drainage device is used, the air pressure valve 7 is opened and the positive pressure compressed air is communicated during use, the hole sealing pipe 1 is inflated and pressurized, the pressure in the hole sealing pipe 1 and the hole sealing is increased, the built-in three-way pipe 2 is communicated with the atmosphere to keep normal pressure, accumulated water enters the built-in three-way pipe 2 under the action of pressure difference and is discharged, the water valve 5 and the air pressure valve 7 are closed when the water in the hole sealing is drained, the hole sealing drainage is completed, and then the drainage valve 8 is opened to perform gas drainage.

Example 2:

when the gas drainage device is used, a user opens the compressed air valve 7, the built-in three-way pipe is communicated with an external negative pressure pipeline or a negative pressure vacuum pump, then the water valve 5 is opened to enable the hole sealing pipe 1 to be communicated with the atmosphere through the opened compressed air valve 7, the normal pressure is kept, the hole sealing pipe 1 is communicated with the negative pressure pipeline, the inner pressure of the water drainage pipe 3 is negative pressure, accumulated water is drained through the pressure difference between the hole sealing pipe 1 and the water drainage pipe 3, the water valve 5 and the compressed air valve 7 can be closed when the accumulated water in the water drainage pipe 3 and the hole sealing is drained completely, and then the gas drainage is implemented.

In summary, the following steps: this coal seam is drilling drainage device down effectively solves the condition that coal seam is drilling down and is caused the gas to take out the drainage difficulty and even can't take out the drainage because of the coal seam infiltration, can effectually be with the infiltration in the blind hole, the effective convenient discharge of ponding, and can convenient and fast's completion drainage and the switching of taking out the drainage gas, reach and improve the gas drainage effect, high efficiency and convenient operation, the device can reuse, reach the purpose that reduces material cost, it is many to discharge groundwater through the water pump to have solved current drainage mode, can't reach and solve the coal seam and drill down and cause the effect of gas drainage difficulty because of the coal seam infiltration, the problem of the exploitation degree of difficulty in colliery has been improved.

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. Coal seam is drilling drainage device down, including hole sealing pipe (1), its characterized in that: the hole sealing device is characterized in that a built-in three-way pipe (2) is arranged inside the hole sealing pipe (1), the top end of the built-in three-way pipe (2) penetrates through the hole sealing pipe (1) and extends to the top of the hole sealing pipe (1), a drain pipe (3) located on the left side of the built-in three-way pipe (2) is arranged inside the hole sealing pipe (1), a connecting pipe (4) is arranged at the top of the built-in three-way pipe (2), the right end of the drain pipe (3) and the bottom end of the connecting pipe (4) both extend into the built-in three-way pipe (2) and are in threaded connection with the built-in three-way pipe (2), one end, far away from the built-in three-way pipe (2), of the connecting pipe (4) is communicated with a water valve (5), a reducing three-way pipe (6) is arranged on the right side of the hole sealing pipe (1), a pressure air valve (7) is arranged on the right end of the reducing three-way pipe (6), and the left end of the pressure air valve ( The three-way pipe is connected by lines, and the bottom of the reducing three-way pipe (6) is communicated with a drainage valve (8).

2. The coal seam down-hole drilling drainage device of claim 1, characterized in that: the exhaust valve (8) and one end of the compressed air valve (7) far away from the reducing three-way pipe (6) are communicated with a discharge pipe (9), the surface of the discharge pipe (9) is provided with a corrugated groove (10), and the corrugated groove (10) is formed by mutually arranging depressions and protrusions.

3. The coal seam down-hole drilling drainage device of claim 1, characterized in that: the sealing device is characterized in that the right end of the hole sealing pipe (1) and the left end of the compressed air valve (7) are fixedly connected with a sealing ring (11) which is located inside the reducing three-way pipe (6), the outer surface of the sealing ring (11) is in contact with the inner wall of the reducing three-way pipe (6), and the sealing ring (11) is made of silica gel.

4. The coal seam down-hole drilling drainage device of claim 1, characterized in that: the top of the reducing three-way pipe (6) is fixedly connected with a support (12), and one end, far away from the reducing three-way pipe (6), of the support (12) is fixedly connected with the bottom of the water valve (5).

5. The coal seam down-hole drilling drainage device of claim 1, characterized in that: the surface of the hole sealing pipe (1) is fixedly connected with a sleeve (13) sleeved on the surface of the built-in three-way pipe (2), and the inner surface of the sleeve (13) is fixedly connected with the surface of the built-in three-way pipe (2).

6. The coal seam down-hole drilling drainage device according to claim 5, characterized in that: the surface of the sleeve (13) is provided with a detection hole (14), and the diameter of the detection hole (14) is twelve millimeters.