CN210714652U

CN210714652U - Coal mine gas drainage is with isolated slagging-off ware that drains

Info

Publication number: CN210714652U
Application number: CN201921512946.0U
Authority: CN
Inventors: 王浩; 张志会
Original assignee: ANHUI HENGYUAN COAL ELECTRICITY GROUP CO Ltd QIANYINGZI COAL MINE
Current assignee: ANHUI HENGYUAN COAL ELECTRICITY GROUP CO Ltd QIANYINGZI COAL MINE
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-09
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses an isolated deslagging drainer for coal mine gas drainage, wherein the upper surface of a cylinder body is connected with a main extraction pipeline through a flange interface, one side of the cylinder body, which is close to the bottom end, is connected with an extraction drill hole through a pipe joint, a deslagging pipe is arranged on the front surface of the cylinder body, and a partition plate which is arranged in a vertically staggered manner is arranged on the inner wall of the cylinder body; when gas is extracted, debris, moisture and the like in an extraction drill hole are extracted along with the gas, the extracted gas mixture enters an inner cavity of a barrel body through a pipe joint, and enters a main extraction pipeline through a flange interface after the separation effect of a partition plate, residue and moisture in the gas fall into the bottom of the inner cavity of the barrel body, accumulated water accumulated in the barrel body can be discharged from a stop valve below a residue discharge pipe, the accumulated residue can be conveniently discharged by using a residue discharge mechanism, the whole device is simple in structure and low in manufacturing cost, and the problems that the pipeline is blocked and a gas extraction pump is damaged due to the fact that the residue and the accumulated water enter a main extraction pipeline system can be solved well.

Description

Coal mine gas drainage is with isolated slagging-off ware that drains

Technical Field

The utility model relates to a colliery gas drainage technical field specifically is a colliery gas is taken out and is put with isolated slagging-off ware that drains.

Background

In order to implement the gas treatment policy of 'extraction after extraction, monitoring and control, and fixed production by wind' formulated by the national coal mine safety department and establish the requirements of a gas treatment working system with reliable ventilation, standard extraction, effective monitoring and in-place management and the like, all coal mine enterprises need to take necessary gas extraction measures to restrain coal mine gas accidents and realize the safe production of the coal mine enterprises.

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 discharge to a total return air flow. The extracted gas not only is an important measure for reducing the gas emission amount in the mining process, preventing the gas from exceeding the limit and accumulating and preventing gas explosion and coal and gas outburst accidents, but also can change harm into benefit and develop and utilize the gas as the associated resources of coal. The process types of gas drainage mainly include drilling gas drainage, roadway combined gas drainage, pipe-inserted (buried) gas drainage and the like, wherein the drilling gas drainage mode is most commonly used due to flexible operation. The gas drainage of the drill hole can be divided into underground drill hole gas drainage and ground drill hole gas drainage; because the underground drilling hole has the most direct gas drainage effect and better effect, the underground drilling hole is more generally used. In the process of pumping and discharging gas in underground drilling, a drilling hole is usually constructed at the roadway side part, a pipeline is installed at the drilling hole, then the pipeline is connected to a main pumping and discharging pipeline arranged along the roadway side part, and a gas pumping and discharging pump enables negative pressure to be formed in the main pumping and discharging pipeline so as to pump out gas existing in the rock mass and the coal bed of the roadway side part. However, in the process of gas drainage, residual coal slag, rock powder, rock particles, accumulated water and the like in the drainage drill hole easily enter a gas drainage pipeline along with the air flow, so that not only can the pipeline be blocked, the drainage flow and the drainage effect are influenced, but also a gas drainage pump can be damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery gas is taken out and put with isolated slagging-off water drainer can avoid cinder, rock powder, rock piece granule, ponding to enter into the main pipeline of taking out and adopt, has solved cinder, rock powder, rock piece granule, ponding etc. and has got into gas and take out the pipeline that the system and cause and block up and damage the problem of gas drainage pump.

In order to achieve the above object, the utility model provides a following technical scheme: an isolated deslagging drainer for coal mine gas drainage comprises a flange interface for connecting a gas main drainage pipeline, a pipe joint for connecting a drainage drill hole, and a barrel, wherein the upper surface of the barrel is fixedly connected with the bottom end of the flange interface, the pipe joint is fixedly connected with the position, close to the bottom end, of the outer side wall of the barrel, an upper partition plate and a lower partition plate are respectively welded on the two side walls of the inner cavity of the barrel, the upper partition plate is positioned above the lower partition plate, the projections of the upper partition plate and the lower partition plate on the horizontal plane are in an axial symmetry relationship, the surfaces of the upper partition plate and the lower partition plate are in a major arc shape, the lower partition plate is connected on the inner wall of the barrel, close to one side of the pipe joint, the connecting point of the lower partition plate and the inner wall of the barrel is positioned above the connecting point of the pipe joint and the barrel, the bottom surface of the inner cavity of the slag discharge pipe is horizontal to the lowest point of the bottom surface of the inner cavity of the barrel body, the bottom surface of the inner cavity of the slag discharge pipe is lower than the bottom surface of the inner cavity of the pipe joint, the bottom end of the slag discharge pipe is connected with a stop valve, the opening of the slag discharge pipe is movably connected with a sealing cover, and the bottom surface of the inner cavity of the barrel body is slidably clamped with a slag discharge mechanism.

Preferably, the front side of the slag discharge pipe is welded with a slag discharge port, one side of the slag discharge port is hinged with an end cover, the outer diameter of the slag discharge port is not larger than that of the end cover, one side of the slag discharge port and the end cover, which is far away from the hinged point, is respectively and fixedly connected with a convex block, and the front side of the convex block is vertically provided with a through hole.

Preferably, the front of row's sediment port has seted up the ring groove, and arranges the sediment port and be the iron material, the front fixedly connected with magnet circle of end cover, the magnet circle with the ring groove joint matches.

Preferably, the bottom surface of the inner cavity of the barrel body is arranged to be of an arc surface structure, and the bottom end of the arc surface inclines towards the slag discharge pipe.

Preferably, the slag discharging mechanism comprises a shovel plate, a handheld arc plate and a slide rail, the slide rail is slidably connected with the bottom of the bottom surface of the inner cavity of the barrel body in a clamping manner, the upper surface of the inner end of the slide rail is fixedly connected with the bottom of the shovel plate, and the upper surface of the outer end of the slide rail is fixedly connected with the bottom of the handheld arc plate.

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

the utility model relates to a deslagging drainer, which is provided with a cylinder body, wherein the upper surface of the cylinder body is connected with a main extraction pipeline through a flange interface, one side of the cylinder body, which is close to the bottom end, is connected with an extraction drill hole through a pipe joint, a deslagging pipe is arranged on the front surface of the cylinder body, and the inner wall of the cylinder body is provided with a partition board which is arranged in a staggered manner from top to bottom; during normal gas extraction, the opening of the slag discharging pipe is in a closed state, debris, moisture and the like in an extraction drill hole are extracted along with gas, the extracted gas mixture enters the inner cavity of the barrel through the pipe joint and enters the main extraction pipeline through the flange interface after the separation effect of the partition plate, the residue and the moisture in the gas fall into the bottom of the inner cavity of the barrel, accumulated water accumulated in the barrel can be discharged from the stop valve below the slag discharging pipe, the accumulated residue can be conveniently discharged by using the slag discharging mechanism, the whole equipment is simple in structure and low in manufacturing cost, and the problems that the pipeline is blocked and the gas extraction pump is damaged when the residue and the accumulated water enter the main extraction pipeline system can be solved better.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

fig. 2 is a schematic view of the overall overhead structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1;

FIG. 4 is a schematic view of the slag discharging mechanism of the present invention;

fig. 5 is a schematic view of the structure of the slag discharging mechanism of the present invention.

In the figure: 10-a cylinder body; 11-an upper baffle plate; 12-a lower baffle; 13-a slag discharge mechanism; 131-a shovel plate; 132-a hand-held arc plate; 133-a slide rail; 20-flange interface; 30-a pipe joint; 40-a slag discharge pipe; 41-a slag discharge port; 411-a circular groove; 412-a bump; 42-end cap; 421-magnetic ring; 43-stop valve.

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.

Example 1: referring to fig. 1-3, the utility model provides a technical scheme, an isolated deslagging drainer for coal mine gas drainage, including a flange interface 20 for connecting a gas main extraction pipeline and a pipe joint 30 for connecting an extraction drill hole, and further including a barrel 10, the upper surface of the barrel 10 is fixedly connected with the bottom end of the flange interface 20, the pipe joint 30 is fixedly connected with the outer side wall of the barrel 10 near the bottom end, an upper partition plate 11 and a lower partition plate 12 are welded on the two side walls of the inner cavity of the barrel 10, the upper partition plate 11 is located above the lower partition plate 12, and the projections of the upper partition plate 11 and the lower partition plate 12 on the horizontal plane are in axial symmetry, the surfaces of the upper partition plate 11 and the lower partition plate 12 are in major arc shapes, the lower partition plate 12 is connected on the inner wall of the barrel 10 near one side of the pipe joint 30, and the connection point of the lower partition plate 12 and the inner wall of the, a slag discharge pipe 40 is fixedly connected to the front surface of the barrel 10 close to the bottom end, the bottom surface of an inner cavity of the slag discharge pipe 40 is horizontal to the lowest point of the bottom surface of the inner cavity of the barrel 10, the bottom surface of the inner cavity of the slag discharge pipe 40 is lower than the bottom surface of the inner cavity of the pipe joint 30, the bottom end of the slag discharge pipe 40 is connected with a stop valve 43, the opening of the slag discharge pipe 40 is movably connected with a sealing cover, and a slag discharge mechanism 13 is clamped to the bottom surface; during normal gas extraction, the opening of the slag discharging pipe 40 is in a closed state, debris, moisture and the like in an extraction drill hole are extracted along with the gas, the extracted gas mixture enters the inner cavity of the cylinder 10 through the pipe joint 30, enters the main extraction pipeline through the flange interface 20 after sequentially passing through the blocking action of the lower partition plate 12 and the upper partition plate 11, residue and moisture in the gas fall into the bottom of the inner cavity of the cylinder 10, accumulated water accumulated in the cylinder 10 can be discharged from the stop valve 43 below the slag discharging pipe 40, the accumulated residue can be conveniently discharged by using the slag discharging mechanism 13, and a gate valve between the flange interface 20 and the main extraction pipeline needs to be closed in the process of removing the accumulated water and the residue.

The bottom surface of the inner cavity of the cylinder body 10 is set to be in a cambered surface structure, and the bottom end of the cambered surface inclines towards the slag discharge pipe 40, so that residues and accumulated water are easy to accumulate at the bottommost part of the cylinder body 10 during use, and are convenient to discharge.

As another embodiment of embodiment 1, please refer to fig. 1-3, a slag discharging port 41 is welded on the front surface of the slag discharging pipe 40, an end cover 42 is hinged to one side of the slag discharging port 41, the outer diameter of the slag discharging port 41 is not greater than the outer diameter of the end cover 42, a protrusion 412 is fixedly connected to each of the slag discharging port 41 and the end cover 42 at the side far away from the hinged point, and a through hole is vertically formed on the front surface of the protrusion 412; the end cap 42 is turned over and overlapped with the slag discharge port 41, and then is sewn through the through hole of the protrusion 412 by using a bolt, so as to close the slag discharge port 41.

The front of row's sediment port 41 has seted up ring groove 411, and row's sediment port 41 is the iron material, and the front fixedly connected with magnet ring 421 of end cover 42, and magnet ring 421 matches with ring groove 411 joint, and when end cover 42 overlapped with row's sediment port 41, magnet ring 421 carried out the joint with ring groove 411, because the adsorption in magnet ring 421 and the row's sediment port 41 ring groove 411, reaches the effect of end cover 42 to arranging sediment port 41 shutoff.

As another embodiment of embodiment 1, please refer to fig. 1, 3-5, the slag discharging mechanism 13 includes a shovel plate 131, a handheld arc plate 132 and a sliding rail 133, the sliding rail 133 is slidably engaged with the bottom end of the bottom surface of the inner cavity of the cylinder 10, the upper surface of the inner end of the sliding rail 133 is fixedly connected with the bottom end of the shovel plate 131, and the upper surface of the outer end of the sliding rail 133 is fixedly connected with the bottom end of the handheld arc plate 132, the slag discharging port 41 is separated from the sealing effect of the end cover 42, the slag discharging mechanism 13 is pulled outwards by the handheld arc plate 132, and the shovel plate 131 synchronously moves outwards by the sliding connection of the sliding rail 133 and the bottom surface of the inner cavity of the cylinder 10, so as to scrape and remove the slag accumulated at the bottom of.

The working principle is as follows: during normal gas extraction, the end cover 42 is firstly turned over and then overlapped with the slag discharge port 41, the magnet ring 421 is clamped with the annular groove 411, due to the adsorption effect of the magnet ring 421 and the annular groove 411 of the slag discharge port 41, the end cover 42 is attached to the slag discharge port 41, bolts are used for penetrating through holes on the convex blocks 412 for sewing, so as to realize the sealing of the slag discharge port 41, debris, moisture and the like in an extraction drill hole are extracted along with gas, the extracted gas mixture enters the inner cavity of the cylinder body 10 through the pipe joint 30, enters the main extraction pipeline through the flange interface 20 after sequentially passing through the blocking effect of the lower partition plate 12 and the upper partition plate 11, residue and moisture in the gas fall into the bottom of the inner cavity of the cylinder body 10, accumulated water accumulated in the cylinder body 10 can be discharged from the stop valve 43 below the slag discharge pipe 40, the sealing effect of the slag discharge port 41 by the end cover 42 is released, and, through the sliding connection of the slide rail 133 and the bottom surface of the inner cavity of the cylinder 10, the shovel plate 131 synchronously moves outwards to scrape and remove the residue accumulated at the bottom of the inner cavity of the cylinder 10.

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 gas drainage is with isolation formula slagging-off ware that drains, includes flange interface (20) that are used for connecting the gas and mainly take out the drainage pipeline and be used for connecting the coupling (30) of taking out the drainage drilling, its characterized in that: still include barrel (10), the upper surface of barrel (10) with the bottom fixed connection of flange interface (20), coupling (30) fixed connection be in barrel (10) lateral wall be close to bottom department, baffle (11) and lower baffle (12) have been welded respectively on the both sides wall of barrel (10) inner chamber, go up baffle (11) and be located the top of baffle (12) down, and go up baffle (11) and baffle (12) projection on the horizontal plane is the axisymmetric relation down, the surface of going up baffle (11) and baffle (12) down is excellent arc form, baffle (12) are connected down on being close to barrel (10) inner wall of coupling (30) one side, and baffle (12) down with the tie point of barrel (10) inner wall is located coupling (30) with the top of barrel (10) tie point, the front of barrel (10) is close to bottom department fixed connection have slag discharging pipe (40), the inner chamber bottom surface of row sediment pipe (40) with the minimum level of barrel (10) inner chamber bottom surface, and the inner chamber bottom surface of row sediment pipe (40) is less than the inner chamber bottom surface of coupling (30), the bottom of row sediment pipe (40) is connected with stop valve (43), the opening part swing joint of row sediment pipe (40) has sealed lid, the bottom surface slip joint of barrel (10) inner chamber has row sediment mechanism (13).

2. The isolated slag removal water drainer for coal mine gas drainage of claim 1, wherein: the front welding of row sediment pipe (40) has row sediment port (41), it articulates there is end cover (42) to arrange one side of sediment port (41), the external diameter of arranging sediment port (41) is not more than the external diameter of end cover (42), arrange sediment port (41) and end cover (42) and keep away from one side of pin joint fixedly connected with lug (412) respectively, the through-hole has been seted up perpendicularly in the front of lug (412).

3. The isolated deslagging drainer for coal mine gas drainage according to claim 2, characterized in that: arrange the front of sediment port (41) and seted up ring groove (411), and arrange sediment port (41) and be the iron material, the positive fixedly connected with magnet circle (421) of end cover (42), magnet circle (421) with ring groove (411) joint matches.

4. The isolated slag removal water drainer for coal mine gas drainage of claim 1, wherein: the bottom surface of the inner cavity of the barrel body (10) is arranged to be of an arc surface structure, and the bottom end of the arc surface inclines towards the slag discharge pipe (40).

5. The isolated slag removal water drainer for coal mine gas drainage of claim 4, wherein: slag discharging mechanism (13) include shovel board (131), handheld arc board (132) and slide rail (133), slide rail (133) slip joint is in the bottom of barrel (10) inner chamber bottom surface, the inside upper surface of slide rail (133) with the bottom fixed connection of shovel board (131), and the outer end upper surface of slide rail (133) with the bottom fixed connection of handheld arc board (132).