CN210195804U

CN210195804U - Gas extraction device for bottom suction roadway

Info

Publication number: CN210195804U
Application number: CN201920900678.3U
Authority: CN
Inventors: Xudong Wang; 王旭东; Dezhen Wang; 王德振; Yulin Nie; 聂玉林; Caixia Liu; 刘彩霞
Original assignee: Shanxi Congxin Hydraulic Technology Group Co ltd
Current assignee: Shanxi Congxin Hydraulic Technology Group Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-03-27
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a gas extraction device for a bottom suction roadway, which comprises a main pipe and a hole sealing pipe, wherein the ends of the hole sealing pipe are connected with rubber pipes, the ends of two adjacent rubber pipes are connected through a three-way valve, a slag discharging and water discharging device comprises a barrel body and an upper cover which is arranged on the barrel body in a sealing way, the upper cover is provided with a pressure relief valve, the inner cavity of the pressure relief valve is provided with a valve core, a floating ball assembly is arranged in the barrel body, the floating ball assembly comprises a floating rod and a floating ball which is connected below the floating rod, the floating rod is just opposite to the lower part of the valve core, the lower end surface of the upper cover is provided with a hinged rod, the lower end of the hinged rod is hinged with a lever, one end of the lever is hinged with the, and a drainage and slag discharge valve is arranged at the bottom of the barrel body and under the push rod, a magnet assembly is arranged on the upper cover, and the magnet assembly is magnetically connected with the upper end of the push rod. The utility model discloses can improve the drainage efficiency, reduce the hidden danger in the production.

Description

Gas extraction device for bottom suction roadway

Technical Field

The utility model relates to a coal mine bottom suction lane gas drainage technical field especially relates to a bottom suction lane gas drainage device.

Background

The gas extraction in the bottom suction lane is named according to the coal seam to be mined, and is called the bottom plate rock extraction lane of the coal seam in full name, and is called the bottom suction lane for short. Because the danger of gas disasters such as coal and gas outburst and the like is high when a tunnel (namely a coal tunnel) is constructed in a coal seam, a rock tunnel (also called a rock tunnel) is firstly constructed in the top plate rock of the coal seam, then a drill hole is constructed in the rock tunnel and enters a gas extraction system to extract coal seam gas, and the tunnel is constructed in the coal seam after the coal seam gas extraction reaches the standard, so that the risk of the gas disasters is reduced. The process of constructing the coal roadway by firstly constructing the rock roadway, drilling, extracting, and then constructing the coal roadway is to protect the coal by the rock roadway (construction for protecting the coal roadway by the rock roadway). The arrangement of pipelines for pumping and discharging gas in the process of extraction is an important measure for ensuring underground safety, and the extraction pipelines of the coal mine gas pipes have a large amount of accumulated water and sediments, so that the pipelines are often blocked, the pumping and discharging are not smooth, the negative pressure of a system is increased, the torque of a pumping and discharging motor is increased, the pumping and discharging efficiency is greatly reduced, and the safety production is seriously threatened.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the bottom suction roadway gas extraction device is provided, so that the purposes of slag discharge, water drainage and pressure relief are achieved in the gas extraction.

The bottom suction roadway gas extraction device comprises a main pipe and a plurality of hole sealing pipes arranged in a coal roadway and provided with downward openings, the ends of the hole sealing pipes are connected with rubber pipes, the ends of two adjacent rubber pipes are connected through a three-way valve, the three-way valve is sequentially connected end to end and is connected with a slag discharge water drainage device, the slag discharge water drainage device comprises a barrel body and an upper cover which is hermetically arranged on the barrel body, the barrel body is provided with an air suction port communicated with the main pipe, the upper cover is provided with a pressure release valve, the inner cavity of the pressure release valve is provided with a valve core, a floating ball assembly is arranged in the barrel body, the floating ball assembly comprises a floating rod and a floating ball connected below the floating rod, the floating rod is just right arranged under the valve core, the lower end surface of the upper cover is provided with a hinged rod, the lower end of the hinged rod is hinged with a lever, one end of the lever is hinged with the, the other end of the barrel is connected with a push rod, the lower end of the upper cover is provided with a guide frame, the push rod is vertically arranged in the guide frame, a drainage and deslagging valve is arranged at the bottom of the barrel body corresponding to the position under the push rod, the upper cover is provided with a magnet assembly, and the magnet assembly is magnetically connected with the upper end of the push rod.

As a further improvement of the above scheme, a sliding plate is fixedly arranged at the upper end of the floating ball, through holes are formed at two ends of the sliding plate, guide rods are symmetrically arranged at the front side and the rear side of the upper cover on the floating rod, the guide rods are slidably arranged in the through holes, and a limiting block used for limiting the lowest position of the sliding plate is arranged at the lower end of each guide rod.

As a further improvement of the above solution, the magnet assembly includes a bolt and a magnet adhered to a head of the bolt.

As a further improvement of the scheme, the three-way valve is connected with the rubber pipe through a quick torque card.

As the further improvement of above-mentioned scheme, quick moment of torsion card is including being annular elastic steel band, elastic steel band is non-enclosed structure, the fixed screens seat that is provided with of stiff end of elastic steel band, the expansion end of elastic steel band is fixed and is provided with screens mechanism, screens mechanism with the cooperation of screens seat is used for locking three-way valve and rubber tube.

As a further improvement of the scheme, the clamping mechanism comprises a fixed seat fixed at the movable end, a movable handle is hinged to the fixed seat, a locking rod is hinged to the middle of the movable handle, and a clamping roller matched with the clamping seat is arranged at the end of the locking rod.

The utility model has the advantages that:

compared with the prior art, the utility model provides a pair of bottom suction roadway gas drainage device, the end-to-end connection of hole pipe has the rubber tube, two adjacent rubber tube are terminal to be passed through three-way valve connection, the head and the tail of three-way valve links to each other in proper order, be connected with row's sediment bleeder line, will arrange the sediment bleeder line and install in the below of gas drainage pipeline, when using, connect on the gas drainage pipeline through the extraction opening, form the negative pressure in the bucket, the water of gas drainage pipeline the inside is under self gravity and atmospheric pressure's combined action, get into the staving through the extraction opening. Along with the rising of the liquid level in the barrel body, the floating ball is gradually submerged, the buoyancy is gradually increased, and the buoyancy acts on the right end of the lever through the floating rod and is transmitted to the push rod through the lever. At the beginning, due to the action of the attraction force of the push rod and the magnet assembly, the liquid level is low, the buoyancy is small, the floating ball, the floating rod, the lever and the push rod do not act, when the buoyancy is increased to a certain degree and is larger than the attraction force, the floating ball rapidly rises to drive the floating rod to jack the pressure release valve, the negative pressure in the barrel body is released, meanwhile, the right end of the lever is driven to rise, the left end of the lever descends, the push rod is pressed downwards to move downwards to push the drainage and residue discharge valve to discharge accumulated water in the barrel body, after the water level descends, the floating ball descends, the pressure release valve is closed under the self action force of the pressure release valve, the drainage and residue. The utility model discloses can adopt the pipeline to gas and realize arranging the sediment, the purpose of draining and pressure release to improve and take out and put efficiency, reduce the hidden danger in the production.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

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

fig. 2 is a schematic structural view at another viewing angle of the present invention;

FIG. 3 is a schematic structural view of the three-way valve of the present invention connected to the rubber hose by the fast torque card;

fig. 4 is a schematic structural view of the fast torque card of the present invention;

FIG. 5 is a schematic structural view of the slag discharge and water discharge device of the present invention;

fig. 6 is a schematic cross-sectional view a-a of fig. 5.

Detailed Description

As shown in fig. 1-6, the utility model provides a gas extraction device for a bottom suction roadway, which comprises a main pipe 100 and a plurality of hole sealing pipes 300 arranged in a coal roadway 200 and having downward openings, the ends of the hole sealing pipes 300 are connected with rubber pipes 400, the ends of two adjacent rubber pipes 400 are connected through a three-way valve 500, the three-way valve 500 is sequentially connected end to end and is connected with a slag discharge water discharger 600, the slag discharge water discharger 600 comprises a barrel body 1 and an upper cover 2 arranged on the barrel body 1 in a sealing manner, the barrel body 1 is provided with an extraction opening 3 communicated with the main pipe 100, the upper cover 2 is provided with a pressure release valve 4 with a valve core in the inner cavity, the barrel body 1 is internally provided with a floating ball assembly, the floating ball assembly comprises a floating rod 6 and a floating ball 5 connected below the floating rod 6, the floating rod 6 is arranged right below the valve core, the lower end surface of the upper cover 2 is provided with a rod 7, one end of the lever 8 is hinged to the floating rod 6, the other end of the lever is connected with the push rod 9, the lower end of the upper cover 2 is provided with a guide frame 10, the push rod 9 is vertically arranged in the guide frame 10, a drainage and slag discharge valve 11 is arranged right below the bottom of the barrel body 1 corresponding to the push rod 9, a magnet assembly 15 is arranged on the upper cover 2, and the magnet assembly 15 is magnetically connected with the upper end of the push rod 9.

In a further improvement, a sliding plate 12 is fixedly arranged at the upper end of the floating ball 5, through holes are arranged at two ends of the sliding plate 12, guide rods 13 are symmetrically arranged at the front side and the rear side of the floating rod 6 of the upper cover 2, the guide rods 13 are slidably arranged in the through holes, and a limiting block 14 used for limiting the lowest position of the sliding plate 12 is arranged at the lower end of each guide rod 13. In actual use, the up-and-down movement of the floating ball 5 is converted into the up-and-down movement of the sliding plate 12 along the guide rod 13, and when the floating ball 5 moves downwards to the lowest position, the sliding plate 12 abuts against the upper end of the limiting block 14 to limit the lowest position of the floating ball 5. In actual use, the up-and-down movement of the floating ball 5 is converted into the up-and-down movement of the sliding plate 12 along the guide rod 13, and when the floating ball 5 moves downwards to the lowest position, the sliding plate 12 abuts against the upper end of the limiting block 14 to limit the lowest position of the floating ball 5.

In a further improvement, the drainage and deslagging valve 11 is a one-way valve with an elastic recovery mechanism. In a further improvement, the pressure relief valve 4 is provided as a one-way valve with an elastic recovery mechanism. When the deslagging and water discharging operations are completed, the deslagging valve 11 and the pressure release valve 4 are restored to the initial positions through the elastic restoring mechanism, and in practical application, the deslagging valve and the pressure release valve can be set as springs.

In a further development, the magnet assembly 15 comprises a bolt and a magnet bonded to the head of the bolt.

Further improved, the three-way valve 500 is connected with the rubber hose 400 through a quick torque clamp 21.

Further improved, the quick torque clamp 21 includes an annular elastic steel band 22, the elastic steel band 22 is of a non-enclosed structure, a fixed end of the elastic steel band 22 is fixedly provided with a clamping seat 23, a movable end of the elastic steel band 22 is fixedly provided with a clamping mechanism, and the clamping mechanism is used in cooperation with the clamping seat 23 to lock the three-way valve 500 and the rubber tube 400.

Further improve, screens mechanism is including fixing the fixing base 24 at the expansion end, and articulated on the fixing base 24 have movable handle 25, and articulated in the middle part of movable handle 25 have a check lock lever 26, and the tip of check lock lever 26 is provided with the screens roller 27 supporting with screens seat 23. When the three-way valve 500 is locked with the rubber pipe 400, the movable handle 25 is pulled up only by upward rotation when the three-way valve 500 and the rubber pipe 400 are loosened.

Compared with the prior art, the utility model provides a pair of bottom suction roadway gas drainage device, the end-to-end connection of hole pipe has rubber tube 400, two adjacent rubber tube 400 are terminal to be connected through three-way valve 500, three-way valve 500's end to end links to each other in proper order, be connected with row's sediment ware 600 of draining, it installs in the below of gas drainage pipeline to arrange sediment ware 600, when using, connect on the gas drainage pipeline through extraction opening 3, form the negative pressure in the bucket, the water of gas drainage pipeline the inside is under self gravity and atmospheric pressure's combined action, get into staving 1 through extraction opening 3. Along with the rising of the liquid level in the barrel body 1, the floating ball 5 is gradually submerged, the buoyancy is gradually increased, the buoyancy acts on the right end of the lever 8 through the floating rod 6 and is transmitted to the push rod 9 through the lever 8. At the beginning, due to the action of the attraction force between the push rod 9 and the magnet assembly 15, the liquid level is low, the buoyancy is small, the floating ball 5, the floating rod 6, the lever 8 and the push rod 9 do not act, when the buoyancy is increased to a certain degree and is greater than the attraction force, the floating ball 5 rapidly rises to drive the floating rod 6 to jack the pressure release valve 4, the negative pressure in the barrel body 1 is released, meanwhile, the right end of the lever 8 is driven to rise, the left end of the lever descends, the push rod 9 is pressed downwards to move, the drainage and slag discharge valve is pushed open, accumulated water in the barrel body 1 is discharged, after the water level descends, the floating ball 5 descends, the pressure release valve 4 is closed under the self acting force of the pressure release valve 4, the drainage and slag discharge valve. The utility model discloses can adopt the pipeline to gas and realize arranging the sediment, the purpose of draining and pressure release to improve and take out and put efficiency, reduce the hidden danger in the production.

The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. The utility model provides a bottom suction lane gas drainage device which characterized in that: the coal roadway drainage device comprises a main pipe and a plurality of hole sealing pipes arranged in the coal roadway and provided with downward openings, wherein the tail ends of the hole sealing pipes are connected with rubber pipes, the tail ends of two adjacent rubber pipes are connected through a three-way valve, the three-way valve is sequentially connected end to end and is connected with a slag discharge water drainage device, the slag discharge water drainage device comprises a barrel body and an upper cover arranged on the barrel body in a sealing manner, an air suction opening communicated with the main pipe is arranged on the barrel body, a pressure release valve with a valve core in an inner cavity is arranged on the upper cover, a floating ball assembly is arranged in the barrel body and comprises a floating rod and a floating ball connected below the floating rod, the floating rod is just arranged under the valve core, a hinge rod is arranged on the lower end face of the upper cover, a lever is hinged to the lower end of the hinge rod, one end of the lever is hinged to the floating rod, the push rod is vertically arranged in the guide frame, a drainage and deslagging valve is arranged at the bottom of the barrel body corresponding to the position under the push rod, a magnet assembly is arranged on the upper cover, and the magnet assembly is magnetically connected with the upper end of the push rod.

2. The bottom suction roadway gas extraction device according to claim 1, characterized in that: the upper end of the floating ball is fixedly provided with a sliding plate, through holes are formed in two ends of the sliding plate, guide rods are symmetrically arranged on the front side and the rear side of the upper cover of the floating rod, the guide rods are arranged in the through holes in a sliding mode, and the lower end of each guide rod is provided with a limiting block used for limiting the lowest position of the sliding plate.

3. The bottom suction roadway gas extraction device according to claim 1, characterized in that: the magnet assembly comprises a bolt and a magnet adhered to the head of the bolt.

4. The bottom suction roadway gas extraction device according to claim 1, characterized in that: the three-way valve is connected with the rubber pipe through a quick torque card.

5. The bottom suction roadway gas extraction device according to claim 4, characterized in that: the quick moment of torsion card is including being annular elastic steel band, elastic steel band is the non-enclosed structure, the fixed screens seat that is provided with of stiff end of elastic steel band, the expansion end of elastic steel band is fixed and is provided with screens mechanism, screens mechanism with the cooperation of screens seat is used for locking three-way valve and rubber tube.

6. The bottom suction roadway gas extraction device according to claim 5, characterized in that: the screens mechanism is including fixing the fixing base at the expansion end, it has movable handle to articulate on the fixing base, movable handle middle part articulates there is the check lock lever, the tip of check lock lever be provided with the supporting screens roller of screens seat.