CN212716743U

CN212716743U - Automatic ware that drains of high-efficient slagging-off of colliery gas drainage system

Info

Publication number: CN212716743U
Application number: CN201921646682.8U
Authority: CN
Inventors: 张志远; 张文海
Original assignee: Beijing Landsteel Technology Co ltd
Current assignee: Beijing Landsteel Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2021-03-16
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to an automatic ware that drains of high-efficient slagging-off of colliery gas drainage system mainly comprises ware barrel, upper cover subassembly, floater lifting unit that drains. The water drainage device abandons a structure of attracting a floating ball top plate by magnetic force before design, adopts floating ball buoyancy to drive a lifting guide rod to lift, and utilizes a lever principle to drive an air valve handle to open and close an air valve, so that positive and negative pressure in the water drainage device is switched quickly and efficiently, and water inlet and drainage work of the water drainage device is realized. Owing to adopted above-mentioned novel structural design, this utility model a high-efficient slagging-off automatic ware that drains of colliery gas drainage system can high-efficient, safe, stable, reliable automatic drainage gas drainage pipeline's ponding.

Description

Automatic ware that drains of high-efficient slagging-off of colliery gas drainage system

Technical Field

The utility model discloses an in colliery gas drainage system, be arranged in taking out the automatic ware that drains of high-efficient slagging-off that adopts pipeline ponding to discharge.

Background

In the coal mine gas extraction system, because each point in the mine has a large temperature difference, a large amount of condensed water can be formed, and in addition, because the coal bed and the rock stratum contain water, a large amount of water can be generated to enter the gas extraction pipeline in the drilling process, so that the normal operation of the extraction system can be directly influenced, the extraction resistance is increased, and the extraction effect is reduced; when the water accumulation is serious, the extraction is even interrupted, and the gas overrun accident is caused.

Therefore, the automatic water drainer with high water drainage efficiency, stable performance and reliability is designed, and has important significance for stable and safe operation of a gas extraction system.

The prior water drainage device applied to the market is a manual water drainage device, coal mine workers regularly and manually discharge coal cinder and accumulated water, which wastes labor and time and easily influences extraction efficiency if the coal mine workers do not discharge the coal cinder and the accumulated water timely; the other is an automatic water discharger, which uses the floating ball gravity, buoyancy, magnetic force, negative pressure, guide rod and other devices to lift the floating ball by the buoyancy of water, when the floating ball reaches the top, the floating ball is attracted by the magnetic force to block the negative pressure pipeline, the atmospheric pressure enters the container, and the water discharge valve opens the water discharge. The automatic water discharger has the problems of difficult slag discharge and poor reliability; after a long time, the magnetic force is weakened, the coal slime is adsorbed on the surface of the magnet, the attraction is influenced, accumulated water cannot be discharged, and the extraction efficiency is seriously influenced.

Disclosure of Invention

The utility model discloses the problem that needs to solve is, overcomes not enough and the defect that the ware exists of draining on the background art, designs the full-automatic ware that drains of high-efficient sediment, automatic draining.

The utility model discloses an automatic ware that drains of high-efficient slagging-off comprises three main parts: I. a water drainer cylinder body: the device consists of a shell 1, a handle 2, a water inlet sealing cover 3, a water inlet pipeline 4, a liquid level meter 15, a water outlet sealing cover 18, a water outlet pipeline 19 and a cylinder bottom 20; II, an upper cover assembly: the device comprises an upper cover 14, a tightening bolt assembly 13, an air valve 11, an atmosphere pipeline 12, a negative pressure balance pipeline 7, an air valve handle 10, a sealing cover 8 and a sealing gasket 5; III, floating ball lifting assembly: consists of a floating ball 17, a pin shaft 16, a lifting guide rod 9 and a linear bearing 6.

The working principle is as follows: the water outlet sealing cover 18 and the water outlet pipe 19 are sealed under the action of negative pressure in the cylinder body, the negative pressure in the cylinder body is consistent with the negative pressure of the water inlet pipe, so that water and coal cinder flowing in from the water inlet pipe can flow into the cylinder body by means of gravity, the water inlet sealing cover 3 is in a free state at the moment, the floating ball 17 is acted by buoyancy and starts to rise along with the water level along with the increase of the water level, the floating ball 17 is hinged with the lifting guide rod 9 through the pin shaft 16, the lifting guide rod 9 rises together with the rising of the floating ball 17, when the floating ball 17 rises to the top, the upper part of the guide rod 9 is provided with a through groove which is in sliding fit with the handle 10 of the air valve 11, the lifting guide rod 9 drives the air valve handle 10 to open the air valve 11, the atmospheric pipeline 12 is communicated with the cylinder, the water inlet sealing cover 3 closes the water inlet pipeline 4, the lifting guide rod 9 drives the air valve handle 10 to close the air valve 11, at the moment, the atmospheric pressure is cut off to be communicated with the inside of the cylinder, the water inlet pipe and the inside of the cylinder are in a negative pressure state, and a new cycle of water inlet and discharge is started.

Drawings

Fig. 1 is the structure schematic diagram of the high-efficiency slag-removing automatic water discharger of the utility model, in the drawing: the device comprises a shell 1, a handle 2, a water inlet pipe sealing cover 3, a water inlet pipe 4, a sealing gasket 5, a linear bearing 6, a negative pressure balance pipeline 7, a sealing cover 8, a lifting guide rod 9, an air valve handle 10, an air valve 11, an air pipeline 12, a bolt assembly 13, an upper cover 14, a liquid level meter 15, a pin shaft 16, a floating ball 17, a water outlet sealing cover 18, a water outlet pipe 19 and a cylinder bottom 20.

FIG. 2 is an enlarged view of the lifter bar, with a pin hole 21, a round guide post 22, and a long groove hole 23.

FIG. 3 is a water drainer installation diagram, including a 31 water inlet pipeline, a 32 water inlet valve, a 33 extraction valve, a 34 extraction pipeline, and a 35 main extraction pipeline.

Detailed Description

FIG. 3 is a schematic diagram of the installation of the automatic water discharger for efficient deslagging, wherein a water inlet valve 31 and an extraction valve 32 are opened, water, gas and coal slag gathered from a coal bed gas pipeline flow into the water discharger under the action of negative pressure, the water and the coal slag flow into the water discharger, the gas is extracted by a main extraction pipeline 35 due to low density, when the water in the water discharger continuously flows in, a floating ball 17 rises to drive a lifting guide pillar 9 to rise, at the moment, an air valve handle 10 is in clearance fit with a strip groove hole 23 of the lifting guide pillar 9, when the floating ball rises to the top, the lifting guide pillar 9 drives the air valve handle 10 to rise, an air valve 11 is opened, at the moment, an atmospheric pipeline 12 is communicated with the inside of the water discharger, atmospheric pressure enters the water discharger, a water inlet pipe sealing cover 3 seals a water inlet pipe 4 under the action of the negative pressure of the water in the water discharger, a water sealing cover; the water level drops and the floating ball 17 drives the lifting guide rod 9 to move downwards along with the continuous outflow of water, when the water reaches the bottom position, the lifting guide rod 9 drives the air valve handle 10 to close the air valve 11, the atmospheric pipeline 12 is isolated from the external atmospheric pressure, the negative pressure balance pipeline 7 is communicated with the inside of the shell 1, the pressure inside the shell is consistent with the pressure inside the extraction pipeline 34, the water outlet sealing cover 18 automatically closes the water outlet pipe 19 under the action of the negative pressure, and thus the water accumulated in the water inlet pipe 4 flows into the water drainage device to complete the circulation of one-time water inlet and drainage.

In order to better discharge water and coal slag in the water discharger, the cylinder bottom 20 shown in fig. 1 is an inclined bottom surface, which is convenient for smooth discharge of coal slag and coal slurry; a liquid level meter 15 is added outside the water discharger, so that patrolmen can observe the amount of water in the shell 1 conveniently; the contact parts of the water inlet pipe 4 and the water outlet pipe 19 with the sealing cover are downward inclined parts, so that the coal slag and the coal slime can be conveniently discharged along with water, and the sealing cover is beneficial to better sealing.

Claims

1. The utility model provides a colliery gas drainage system high efficiency slagging-off automatic water drainer, mainly comprises drainer barrel, upper cover subassembly, floater elevating system, utilizes the lift of floater, opens and closes the pneumatic valve, realizes the conversion of positive negative pressure in the barrel, realizes retaining drainage work, and characterized by floater elevating system's lift guide arm (9) is along with the lift of floater (17), drives pneumatic valve handle (10) and can open, closed pneumatic valve (11), and the bottom of drainer barrel has an angle of slope with the horizontal plane, is convenient for the drainage row sediment.

2. The automatic water discharger for efficient deslagging of the coal mine gas extraction system according to claim 1, characterized in that the lifting guide rod (9) is connected with the floating ball (17) through a pin shaft (16), and the lifting guide rod (9) is in clearance fit with the linear bearing (6) to facilitate lifting of the lifting guide rod (9).

3. The automatic water discharger for efficient deslagging of the coal mine gas extraction system according to claim 1, wherein a long slotted hole (23) in the lifting guide rod (9) is in clearance fit with the air valve handle (10) so as to facilitate lifting of the lifting guide rod (9), and the lifting guide rod (9) drives the air valve handle (10) to open and close the air valve (11).