CN211287780U

CN211287780U - High negative pressure automatic water drainage device for coal mine gas drainage

Info

Publication number: CN211287780U
Application number: CN201922022246.XU
Authority: CN
Inventors: 孙善进
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-18
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses an automatic ware that drains of high negative pressure is taken out and put to colliery gas belongs to coal mining safety device field, including the forced draft pipeline, still including drainage pipeline and vertical ware that drains, forced draft pipeline is through the pipeline and is taken out and put the tube coupling, set up the negative pressure stop valve on the connecting tube between forced draft pipeline and the drainage pipeline, one side of vertical water-proof equipment is through pipeline and drainage tube coupling, the opposite side passes through the pipeline and is connected the tube coupling of negative pressure stop valve, vertical ware that drains passes through the tube coupling on the connecting tube of negative pressure stop valve and forced draft pipeline, set up the admission valve on the connecting tube way of above-mentioned vertical ware that drains. This water discharging device does not receive the influence of negative pressure, effectual saving manpower resources. The water drainer negative pressure stop valve and the air inlet valve are designed by taking the underground common air pressure of the coal mine as power and the air reaching the electric appliance is not connected with a gas drainage pipeline, so that the performance of the water drainer negative pressure stop valve and the air inlet valve is safer and more reliable.

Description

High negative pressure automatic water drainage device for coal mine gas drainage

Technical Field

The utility model relates to a coal mining safety device field, specifically speaking, the utility model relates to an automatic ware that drains of high negative pressure is taken out to coal mine gas drainage.

Background

The gas in the coal seam seriously damages the safety production of the coal mine, the gas is required to be pumped out from the coal seam in the production, the gas in the coal mine is pumped out in a pumping mode such as bedding pumping, cross-layer pumping and ground three-dimensional pumping, and because the drill hole needs to penetrate through various rock layers to reach the coal seam, water in the rock layers is pumped into a pumping pipeline while the gas is pumped out, so that the gas pumping pipeline is blocked, and the gas pumping effect is influenced. In the past, automatic water drainage devices discharge water in a gas drainage pipeline by relying on the balance relation between the self weight of the water and the drainage negative pressure, due to the fact that the drainage negative pressure is unstable, the expected effect cannot be achieved, most of the prior art adopt manual water drainage, the manual water drainage has a plurality of uncertain factors, and the cost is high. Accumulated water in a gas drainage pipeline is always an unsolved subject.

Disclosure of Invention

The utility model aims to solve the technical problem that a safe and reliable's gas drainage pipeline water discharging device is provided, the device use cost is low.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the coal mine gas drainage high negative pressure automatic water drainage device comprises a compressed air pipeline, a drainage pipeline, an air electromagnetic valve and a vertical water drainage device, the air electromagnetic valve pipeline is connected with the pumping and discharging pipeline, a negative pressure stop valve is arranged on the connecting pipeline between the air electromagnetic valve and the pumping and discharging pipeline, the air compression pipeline is connected with the air electromagnetic valve through a pipeline, one side of the vertical water-proof device is connected with a drainage pipeline through a pipeline, the other side of the vertical water-proof device is connected with a pipeline connected with a negative pressure stop valve through a pipeline, a vertical water discharger is connected on a connecting pipeline of the negative pressure stop valve and a compressed air pipeline through a pipeline, an air inlet valve is arranged on the connecting pipeline of the vertical water discharger, the air electromagnetic valve is connected with a controller through a lead, the controller is connected with a stabilized voltage power supply through a lead, the side surface of the bottom of the vertical water drainage device is provided with a check valve, and the bottom of the vertical water drainage device is provided with a slag discharge valve.

Preferably, the bottom of the vertical water drainage device is provided with a water drainage device foot.

Preferably, the negative pressure stop valve is a pneumatic execution negative pressure stop valve.

Preferably, the air inlet valve is a pneumatically actuated air inlet valve.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

the utility model discloses an automatic ware that drains of high negative pressure is taken out and put to colliery gas, this device are taken out and are put pipeline drain ware design and have negative pressure stop valve, admission valve and check valve. When the gas is normally pumped and discharged, the negative pressure stop valve is opened, the air inlet valve is closed, and the check valve is always in a normally closed state. When needing to drain, the ware negative pressure stop valve that drains is closed, makes no negative pressure state in the ware that drains, and the ware admission valve that drains is opened, and computer timing control, solenoid valve execution air source cut through, and the pneumatic valve is executed and is taken out the pipeline ware that drains and close the negative pressure, opens the admission valve to make the water in the ware that drains flow from the ware check valve that drains, can set up the number of times of draining in 24 hours and the time of draining according to the pipeline ponding condition of taking out. The automatic timing drainage device is suitable for pipelines and equipment for automatic timing drainage of drainage pipelines such as coal mine gas drainage and the like, and aims at the coal mine gas drainage pipelines and drainage drill sites. According to the field requirement, a parallel pumping pipeline water discharger, a vertical pumping pipeline water discharger and a horizontal pumping pipeline water discharger can be designed. The negative pressure is not influenced, and the human resources are effectively saved. The water drainer negative pressure stop valve and the air inlet valve are designed by taking the underground common air pressure of the coal mine as power and the air reaching the electric appliance is not connected with a gas drainage pipeline, so that the performance of the water drainer negative pressure stop valve and the air inlet valve is safer and more reliable.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

FIG. 1 is a schematic structural view of the water discharge device;

the labels in the above figures are: 1. a compressed air pipeline; 2. a pumping pipeline; 3. a negative pressure stop valve; 4. an intake valve; 5. a vertical water discharger; 6. a check valve; 7. a slag discharge valve; 8. a water discharger anchor; 9. an air solenoid valve; 10. a controller; 11. a regulated power supply.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, in which the shapes, structures, mutual positions and connection relationships of the respective members, the functions of the respective portions, the operation principles, and the like of the respective members are described.

As shown in fig. 1, when the gas is normally pumped and discharged, the compressed air pipeline 1 provides negative pressure, the negative pressure of the compressed air pipeline 1 is controlled to be opened or closed by the negative pressure stop valve 3, because the negative pressure provided by the compressed air pipeline 1 causes pressure difference at two ends of the pumping and discharging pipeline 2, the gas pressure in the coal seam is large, the gas is pressed out from the coal seam by the pressure difference, one end of the pumping and discharging pipeline 2 is connected with the coal seam to absorb the gas, the pumping and discharging pipeline 2 pumps the gas, when the gas is normally pumped, the negative pressure stop valve 3 is opened, the air inlet valve 4 is closed, and the check valve 6 is always in a normally closed. When water needs to be drained, the negative pressure stop valve 3 on the vertical water drainage device 5 is closed, the vertical water drainage device 5 is enabled to be in a non-negative pressure state, the air inlet valve 4 of the vertical water drainage device 5 is opened, the air electromagnetic valve 9 is controlled by the controller 10 to open and close the air electromagnetic valve 9, the air electromagnetic valve 9 is used for switching on and off the communication between the compressed air pipeline 1 and the pumping and drainage system 2, the pneumatic valve is used for executing the pumping and drainage pipeline to close the negative pressure, the air inlet valve 4 is opened, therefore, water in the vertical water drainage device 5 flows out from the water drainage device check valve 6, and the water drainage times and the water drainage time in 24 hours can be set according to the. The automatic timing drainage device is suitable for pipelines and equipment for drainage pipelines such as coal mine gas drainage and the like which need automatic timing drainage, and mainly aims at the drainage of coal mine gas. The system is not influenced by negative pressure, and human resources are effectively saved. Considering the particularity of harmful gases such as coal mine underground gas, the negative pressure stop valve 3 and the air inlet valve 4 of the water drainage device are designed by adopting the underground common air pressure of the coal mine as power, so that an electrical component is not connected with a gas drainage pipeline, the performance is safer and more reliable, and the use is safer.

The slag discharge valve 7 arranged at the bottom of the vertical water drainer 5 is used for discharging sludge or particles accumulated at the bottom of the vertical waterproof device 5, and the sludge in the vertical water drainer 5 is taken into the vertical waterproof device 5 along with the water in the coal bed. The water drainer foot 8 arranged at the bottom of the vertical water drainer 5 is used for placing the vertical waterproof device 5.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims

1. Automatic ware that drains of high negative pressure of coal mine gas drainage, including the compressed air pipeline, its characterized in that: the air electromagnetic valve pipeline is connected with the drainage pipeline, a negative pressure stop valve is arranged on a connecting pipeline between the air electromagnetic valve and the drainage pipeline, a compressed air pipeline is connected with the air electromagnetic valve through a pipeline, one side of the vertical water drainage device is connected with the drainage pipeline through a pipeline, the other side of the vertical water drainage device is connected with a pipeline connected with the negative pressure stop valve through a pipeline, the vertical water drainage device is connected with the connecting pipeline between the negative pressure stop valve and the compressed air pipeline through a pipeline, an air inlet valve is arranged on the connecting pipeline of the vertical water drainage device, the air electromagnetic valve is connected with a controller through a lead, the controller is connected with a voltage-stabilized power supply through a lead, a check valve is arranged on the side face of the bottom of the vertical water drainage device, and a slag discharge valve is arranged at the.

2. The coal mine gas drainage high negative pressure automatic water discharger according to claim 1, wherein: and the bottom of the vertical water drainage device is provided with a water drainage device foot.

3. The coal mine gas drainage high negative pressure automatic water discharger according to claim 1, wherein: the negative pressure stop valve is a pneumatic execution negative pressure stop valve.

4. The coal mine gas drainage high negative pressure automatic water discharger according to claim 1, wherein: the air inlet valve is a pneumatic execution air inlet valve.