CN212406801U

CN212406801U - Pneumatic high-efficient slagging-off ware that drains of colliery gas drainage system

Info

Publication number: CN212406801U
Application number: CN201922503089.4U
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: 2019-12-26
Filing date: 2019-12-26
Publication date: 2021-01-26
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to a pneumatic high-efficient slagging-off ware that drains of colliery gas drainage system is in colliery gas drainage system for take out and adopt the equipment that pipeline ponding, cinder discharged. Utilize the compressed gas that the air supply provided in the design, control opening, closing of pneumatic valve (11), barrel (1) internal pressure is controlled in pneumatic valve (11), when no air supply, pneumatic valve (11) are opened, let take out and adopt main line (34) and barrel (1) internal pressure unanimously be negative pressure state, water from the coal seam outflow passes through the inlet tube and gets into in the ware that drains, when air supply main line (15) air feed, pneumatic valve (11) are closed, it is the malleation state in barrel (1) to let the atmosphere pass through inlet line (16) and check valve (17) entering, discharge water and cinder in the section of thick bamboo.

Description

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

Technical Field

The utility model discloses mainly use in the coal mining field, especially in coal mine gas drainage system.

Background

The prior water drainer applied to a coal mine gas extraction system is a manual water drainer, 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 type is an automatic water drainage device, the air valve is switched by utilizing the attraction of the gravity of a floating ball, the buoyancy and the magnetic force of a magnet at the top to change the pressure in the water drainage device and realize the automatic water drainage of the water drainage device.

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 turning on the water on the background art, designs a high-efficient sediment, does not have the floating ball subassembly, the pneumatic ware that turns on the water that the reliability is high.

The utility model relates to a pneumatic high-efficient slagging-off ware that drains of colliery gas drainage system mainly comprises two parts:

the water discharger cylinder body consists of a cylinder body 1, a handle 2, a water inlet pipe sealing cover 3, a water inlet pipeline 4, a nut 5, a gasket 6, a bolt 7, a flange cover 8, a sealing gasket 19, a pin shaft 20, a split pin 21, a water discharge opening sealing cover 22, a sealing ring 23, a nozzle 24, a water discharge pipeline 25 and a cylinder body bottom 26.

The two gas circuit components consist of a negative pressure balance pipeline 9, a negative pressure gas circuit valve 10, a pneumatic valve 11, a pressure gauge 12, an extraction branch pipeline 13, a sealing gasket 14, a gas supply main pipeline 15, a gas inlet pipeline 16, a one-way valve 17 and a purging pipeline 18.

The working principle is as follows: the compressed gas that utilizes the air supply to provide, control opening, closing of pneumatic valve 11, pneumatic valve 11 controls 1 internal pressure of water drain ware barrel, under the condition of no air supply, pneumatic valve 11 opens, let take out and adopt main line 34 unanimous with 1 internal pressure of barrel, be the negative pressure state, water from the coal seam outflow passes through the inlet tube and gets into in the water drain ware, when air supply main line 15 air feed, pneumatic valve 11 closes, let the atmosphere pass through inlet line 16 and check valve 17 get into a section of thick bamboo in, be the malleation state in the section of thick bamboo, discharge the water in the section of thick bamboo.

The specific operation is as follows: the water drainage device is in an initial state, the water inlet valve 32 is opened, under the condition that the air supply main pipeline 15 has no air source, the pneumatic valve 11 is in an opened state, the negative pressure air path valve 10 is in an opened state, the water drainage port sealing cover 22 and the water drainage pipeline 25 are sealed under the action of negative pressure in the cylinder body 1, the negative pressure in the cylinder body 1 is consistent with the negative pressure of the water inlet pipeline 4 and the extraction main pipeline 34 at the moment, so that water and coal cinder flowing in from coal rocks can flow into the cylinder body 1 through the water inlet pipeline 4 by means of gravity, the water inlet sealing cover 3 is in a free state at the moment, along with the increase of the water level in the cylinder body 1, the air source is periodically and regularly supplied to the air supply main pipeline 15 according to the rising condition of the water level, the pneumatic valve 11 is closed through the air inlet pipeline 16, compressed air is blown into the cylinder body 1 and the nozzle 24 through the one-way valve 17, the pressure in the water drainage device is, the water outlet sealing cover 22 of the water discharging pipeline 25 is opened, so that water and coal slag in the cylinder body 1 are discharged, the purging pipeline 17 sprays high-pressure gas through the nozzle 24 at the water discharging position under the action of air source pressure, the coal slag and coal slime in the water discharging pipeline 25 are purged and are conveniently discharged along with water, when the air supply main pipeline 15 stops supplying air, the pneumatic valve 11 is automatically opened, at the moment, the water discharging device cylinder body 1 is communicated with the extraction main pipeline 34, the pressure is consistent, the water inlet pipeline 4 and the cylinder body 1 are in a negative pressure state, meanwhile, the air inlet pipeline 16 is provided with the one-way valve 17, the function is that compressed air of the air source can only flow into the nozzle position and the cylinder body, when the compressed air is closed, the pressure difference is formed between the front and the back of the one-way valve 17, the negative pressure in the cylinder body 1 is kept, and a new water inlet and discharge circulation process.

Drawings

Fig. 1 is the structure sketch map of the pneumatic high-efficient deslagging drainage device of the utility model, 1, the barrel, 2, the handle, 3, the sealing cover of the water inlet pipe, 4, the water inlet pipe, 5, the nut, 6, the gasket, 7, the bolt, 8, the flange cover, 9, the negative pressure balance pipeline, 10, the negative pressure gas circuit valve, 11, the pneumatic valve, 12, the manometer, 13, take out and draw the branch pipeline, 14, the sealing gasket, 15, the main gas supply pipeline, 16, the air inlet pipeline, 17, the check valve, 18, the purge pipeline, 19, the sealing gasket, 20, the round pin axle, 21, the split pin, 22, the sealing cover of the drainage outlet, 23, the sealing washer, 24, the nozzle, 25, the drainage pipeline, 26, the barrel bottom.

FIG. 2 is a water discharger installation diagram 31, a water inlet pipeline 32, a water inlet valve 33, an extraction branch pipeline 34 and an extraction main pipeline.

Detailed Description

Fig. 2 is a schematic view of the installation of the pneumatic high-efficiency deslagging drainer. Under the condition of no air source, the pneumatic valve 11 is in an open state, the water inlet valve 32 is opened, water, gas and coal slag accumulated from a coal bed gas pipeline flow into the cylinder body 1 under the action of negative pressure, the gas is pumped away by the pumping main pipeline 34 through the pumping branch pipeline 33 due to low density, when water in the water drainer continuously flows in and is expected to reach the upper part of the cylinder body 1, the air supply main pipeline 15 supplies compressed air, the pneumatic valve 11 is closed at the moment, the water inlet sealing cover 3 is sealed with the water inlet pipeline 4 under the action of the negative pressure balance pipeline 9, the pressure in the cylinder body 1 is consistent with the pressure of the compressed air at the moment, the water in the cylinder body 1 opens the sealing cover 22 of the water inlet under the action of the pressure and the gravity, water drainage is started, and the circulation of primary water inlet and drainage is completed; meanwhile, the blowing pipeline 18 sprays compressed air through the nozzle 24 under the action of air source pressure to blow away coal slag and coal slime at the water discharge position in the cylinder 1, so that the coal slag and the coal slime are discharged conveniently during water discharge.

The cylinder bottom 26 shown in fig. 1 is an inclined bottom surface, which is convenient for smooth discharge of coal slag and coal slurry, and the flange cover 8 is provided with the pressure gauge 12, which is convenient for patrolmen to observe the pressure in the water discharger.

Claims

1. The utility model provides a pneumatic high-efficient slagging-off water drain of colliery gas drainage system, its water drain barrel upper portion side is equipped with the inlet tube, the lower part side is equipped with the bleeder line, all be equipped with business turn over water sealed lid, negative pressure balance pipeline one end is connected with drainage branch pipe, the other end communicates with each other with the inlet tube, the one end of atmosphere pipeline links to each other with the pneumatic valve, the other end links to each other with outside air cleaner, be equipped with pneumatic valve (11) on its characterized in that drainage branch pipe way (13), the air inlet of pneumatic valve (11) links to each other through the tee bend with air inlet pipe way (16), the tee bend other end passes through the pipeline and links to each other with check valve (17), check valve (17) link to each other with flange lid (8) and purge pipeline (18) respectively through the tee bend.

2. The pneumatic high-efficiency deslagging water drainer of the coal mine gas extraction system according to claim 1, characterized in that a flange cover (8) is connected with the lower part of the extraction branch pipeline (13), and a hole is arranged on the flange cover (8) to communicate the extraction branch pipeline (13) with the cylinder (1).

3. The pneumatic high-efficiency deslagging water drainer of the coal mine gas extraction system according to claim 1, characterized in that a nozzle (24) is arranged at the upper part of the water drainage pipeline (25), and the nozzle (24) is connected with the purging pipeline (18).

4. The pneumatic high-efficiency deslagging drainer of the coal mine gas extraction system according to claim 1, characterized in that a pressure gauge (12) is arranged on the flange cover (8).