CN218093132U - Gas drainage pneumatic drainage device for coal mine - Google Patents
Gas drainage pneumatic drainage device for coal mine Download PDFInfo
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- CN218093132U CN218093132U CN202222306751.9U CN202222306751U CN218093132U CN 218093132 U CN218093132 U CN 218093132U CN 202222306751 U CN202222306751 U CN 202222306751U CN 218093132 U CN218093132 U CN 218093132U
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Abstract
The utility model relates to the technical field of gas extraction, in particular to a pneumatic drainage device for gas extraction for coal mines, which comprises a drainage tank, wherein the drainage tank is provided with a water inlet, a water outlet, an observation hole and a balance valve; the baffle plate vertically extends and is arranged in the water drainage tank so as to divide the interior of the water drainage tank into a water storage cavity and a water drainage cavity, the water storage cavity is communicated with the water inlet, the water inlet is communicated with a gas pipe port, and the water drainage cavity is communicated with the water outlet; the air pump is arranged beside the water discharging tank and is provided with a first communicating pipe communicated with the water storage cavity and a second communicating pipe communicated with the water discharging cavity; the cross-pass structure crosses the partition plate and is respectively communicated with the water storage cavity and the water drainage cavity, and a control valve is arranged on the cross-pass structure; the utility model discloses effectively solved the gas that exists among the prior art and taken out ponding in the system of adopting and can't get rid of totally, influence the technical problem of gas drainage effect.
Description
Technical Field
The utility model relates to a gas takes out and adopts technical field, concretely relates to pneumatic drainage device is taken out and adopted to gas for coal mine.
Background
In coal mine underground gas treatment, a gas extraction system is an extremely important link. If a large amount of accumulated water exists in the underground gas extraction system and cannot be discharged in time, the accumulated water of the extraction system is directly serious, so that gas pumping and discharging are not smooth, and the normal operation of the extraction system is seriously influenced.
The water drainer that present colliery is being used in the pit generally has two kinds, one kind is manual water drainer, needs the manual work to open the valve that drains and drains, because the installation quantity of water drainer in the pit is more, needs to arrange the manual water drainage of special messenger's regular inspection, takes a lot of work and time, and inefficiency. The other type is a floating ball (float bowl) type automatic water drainage device, the structure principle is that the floating ball (float bowl) is arranged in a shell of the automatic water drainage device, the water surface in the inner cavity of the water drainage device rises gradually, so that the floating ball (float bowl) floats upwards, a lever is pushed to pull a linkage rod to drive a valve control system, when the floating ball (float bowl) rises to a certain position, the valve control system enables a water inlet valve and a water inlet pressure relief valve to be closed, a water outlet valve is opened, and a water outlet check valve is opened under the action of water pressure to drain water. The automatic water drainer with the floating ball (the buoy) has the following defects in the using process: firstly, water is not discharged thoroughly, and partial water is easy to accumulate; secondly, the reliability is poor, the failure rate is high, and based on the water discharging structure principle, the problem that the water discharger cannot automatically discharge water frequently exists in the field use process; thirdly, the maintenance is inconvenient, and the floating ball (the buoy) is arranged in the inner cavity of the water discharger, so that the water discharger needs to be disassembled and then can be processed when the fault is processed; and fourthly, the phenomenon of air leakage is common, and particularly, the water inlet pressure relief opening valve and the water outlet valve of the water drainage device often have the phenomenon of air leakage, so that the water drainage device cannot work normally in serious cases.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a pneumatic drainage device is taken out to gas drainage for coal mine for solve the gas drainage system that exists among the prior art ponding can't get rid of totally, influence the technical problem of gas drainage effect.
In order to achieve the above purpose, the utility model provides a pneumatic drainage device is adopted to gas drainage for coal mine adopts following technical scheme:
a pneumatic drainage device for gas extraction for coal mines comprises:
the water discharging tank is provided with a water inlet, a water outlet, an observation hole and a balance valve;
the baffle plate vertically extends and is arranged in the water drainage tank so as to divide the interior of the water drainage tank into a water storage cavity and a water drainage cavity, the water storage cavity is communicated with the water inlet, the water inlet is communicated with a gas pipe port, and the water drainage cavity is communicated with the water outlet;
the air pump is arranged beside the water discharging tank and is provided with a first communicating pipe communicated with the water storage cavity and a second communicating pipe communicated with the water discharging cavity;
and the cross-through structure crosses over the partition plate and is respectively communicated with the water storage cavity and the water drainage cavity, and a control valve is arranged on the cross-through structure.
Further, it is U type pipe to stride logical structure, and U type pipe opening is down, and the both ends tip of U type pipe respectively with the bottom interval arrangement in water storage chamber and drainage chamber to make the water in the water storage chamber get into the drainage chamber from U type pipe.
Further, the water inlet is communicated with the port of the gas pipe through a water inlet pipe, and a slag extractor is further arranged on the water inlet pipe.
Further, the slag extractor is processed from a 3mm steel plate.
Furthermore, two flanges are respectively arranged at two ends of the length direction of the water discharge tank, and the water inlet pipe and the first communicating pipe are arranged on the flanges.
Furthermore, a horizontally extending supporting plate is fixed on the water discharging tank, and the air pump is arranged on the supporting plate.
Further, the first connecting pipe is a transparent rubber pipe.
Furthermore, a supporting rod is arranged on the lower side of the water discharging tank, and a supporting seat is fixed on the lower side of the supporting rod.
Furthermore, the water inlet is located at the position, close to the upper part, of the middle of the water storage cavity, and the water outlet is located at the position, close to the lower part, of the middle of the water drainage cavity.
The utility model provides a pneumatic drainage device is taken out to gas for colliery's beneficial effect is: when the gravity is greater than the pumping force provided by the extraction system, the related valves are opened, water enters the water storage cavity in the drainage tank through the slag extractor and the water inlet, meanwhile, the air pump is started, gas in the drainage cavity is extracted through the second communication pipe to form negative pressure, the water is applied to the water storage cavity through the first communication pipe, the water can enter the drainage cavity from the water storage cavity through the cross-communication structure in a circulating manner and is further discharged from the water outlet, and after most of the water in the water storage cavity is discharged, compressed air is provided for the water storage cavity through the first communication pipe, so that the pressure difference between the water storage cavity and the drainage cavity can be further improved, the water is fully pressed to the drainage cavity, and the water is further discharged from the water outlet; compared with the prior art, the utility model discloses a ponding in the gas drainage system can effectively be detached in the combination of drain tank and air pump, takes out gas drainage pipeline drainage by becoming the initiative passively, has effectively solved the ponding in the gas drainage system that exists among the prior art and can't get rid of totally, influence the technical problem of gas drainage effect.
Drawings
Fig. 1 is a schematic view of the pneumatic drainage device for gas extraction for coal mines provided by the utility model.
The reference numbers in the figures: 1. a water discharge tank; 2. a water inlet; 3. a water outlet; 4. an observation hole; 5. a partition plate; 6. a water storage cavity; 7. a drainage cavity; 8. an air pump; 9. a first communication pipe; 10. a second communicating pipe; 11. a control valve; 12. a balancing valve; 13. a U-shaped pipe; 14. a water inlet pipe; 15. a slag extractor; 16. a flange plate; 17. a pallet; 18. a strut; 19. and (4) a support.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
As shown in fig. 1, a pneumatic drainage device for gas extraction for coal mines includes:
the water drainage tank 1, the water drainage tank 1 has water inlet 2, water outlet 3, observation hole 4 and balance valve 12;
the partition plate 5 vertically extends and is arranged in the water drainage tank 1 so as to divide the interior of the water drainage tank 1 into a water storage cavity 6 and a water drainage cavity 7, the water storage cavity 6 is communicated with the water inlet 2, the water inlet 2 is used for being communicated with a gas pipe port, and the water drainage cavity 7 is communicated with the water outlet 3;
the air pump 8 is arranged beside the water discharge tank 1, and the air pump 8 is provided with a first communicating pipe 9 communicated with the water storage cavity 6 and a second communicating pipe 10 communicated with the water discharge cavity 7;
and the crossing structure crosses the partition plate 5 and is respectively communicated with the water storage cavity 6 and the water drainage cavity 7, and a control valve 11 is arranged on the crossing structure.
Specifically, the cross-over structure is a U-shaped pipe 13, the opening of the U-shaped pipe 13 faces downwards, and the end parts of the two ends of the U-shaped pipe 13 are respectively arranged at intervals with the bottoms of the water storage cavity 6 and the drainage cavity 7, so that water in the water storage cavity 6 enters the drainage cavity 7 from the U-shaped pipe 13. In other embodiments, the cross-over structure may have other shapes, such as a few tubes.
As shown in fig. 1, the water inlet 2 is communicated with the gas pipe port through a water inlet pipe 14, and a slag extractor 15 is further arranged on the water inlet pipe 14.
In this embodiment, the extractor 15 is machined from 3mm steel plate. In other embodiments, the extractor may be machined from other sizes of steel plate, such as 4mm steel plate.
In this embodiment, the discharge tank 1 is actually formed by modifying a pipeline, two flanges 16 are respectively disposed at two ends of the discharge tank 1 in the length direction, and the water inlet pipe 14 and the first communication pipe 9 are disposed on the flanges 16.
As shown in fig. 1, a horizontally extending support plate 17 is fixed to the drain tank 1, and the air pump 8 is provided on the support plate 17. The air pump 8 is conveniently moved along with the movement of the discharging tank 1, and in other embodiments, the air pump can be supported and placed on the ground.
In this embodiment, the first communication pipe 9 is a transparent rubber pipe.
As shown in fig. 1, a support rod 18 is provided under the discharge tank 1, and a support 19 is fixed under the support rod 18. In other embodiments, a supporting cross plate with a certain height may be provided on the ground, and the drain tank is seated on the supporting cross plate.
As shown in fig. 1, the water inlet 2 is located at a position close to the upper middle of the water storage cavity 6, and the water outlet 3 is located at a position close to the lower middle of the water discharge cavity 7.
The utility model provides a pneumatic drainage device is adopted to gas for coal mine's theory of operation is: when the gravity is greater than the pumping force provided by the extraction system, the related valves are opened, water enters the water storage cavity 6 in the water drainage tank 1 through the slag discharger 15 and the water inlet 2, meanwhile, the air pump 8 is started, gas in the water drainage cavity 7 is pumped out through the second communication pipe 10 to form negative pressure, the water storage cavity 6 is pressurized through the first communication pipe 9, water can enter the water drainage cavity 7 from the water storage cavity 6 through the cross-communication structure repeatedly and is discharged from the water outlet 3, and after most of the water in the water storage cavity 6 is discharged, compressed air is provided into the water storage cavity 6 through the first communication pipe 9, so that the pressure difference between the water storage cavity 6 and the water drainage cavity 7 can be further improved, the water is fully compressed to the water drainage cavity 7, and is discharged from the water outlet 3; compared with the prior art, the utility model discloses a ponding in the gas drainage system can effectively be detached in the combination of drain tank 1 and air pump 8, takes out gas drainage pipeline drainage by becoming the initiative passively, has effectively solved the ponding in the gas drainage system that exists among the prior art and can't get rid of totally, influence the technical problem of gas drainage effect.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a pnematic drainage device of gas drainage for coal mine which characterized in that includes:
the water discharging tank is provided with a water inlet, a water outlet, an observation hole and a balance valve;
the partition plate vertically extends and is arranged in the water discharge tank so as to divide the interior of the water discharge tank into a water storage cavity and a water discharge cavity, the water storage cavity is communicated with the water inlet, the water inlet is communicated with the port of the gas pipe, and the water discharge cavity is communicated with the water outlet;
the air pump is arranged beside the water discharging tank and is provided with a first communicating pipe communicated with the water storage cavity and a second communicating pipe communicated with the water discharging cavity;
and the cross-through structure crosses the partition plate and is respectively communicated with the water storage cavity and the water drainage cavity, and a control valve is arranged on the cross-through structure.
2. The pneumatic drainage device for gas extraction for coal mines according to claim 1, wherein: the cross-connection structure is a U-shaped pipe, the opening of the U-shaped pipe faces downwards, and the end parts of the two ends of the U-shaped pipe are respectively arranged at intervals with the bottoms of the water storage cavity and the water drainage cavity, so that water in the water storage cavity enters the water drainage cavity from the U-shaped pipe.
3. The pneumatic drainage device for gas extraction for coal mines according to claim 1, wherein: the water inlet is communicated with the port of the gas pipe through a water inlet pipe, and a slag discharger is further arranged on the water inlet pipe.
4. The pneumatic drainage device for gas extraction for coal mines according to claim 3, wherein: the slag extractor is processed by a 3mm steel plate.
5. The pneumatic drainage device for coal mine gas extraction according to claim 4, characterized in that: and two ends of the water discharging box in the length direction are respectively provided with a flange plate, and the flange plates are provided with the water inlet pipe and the first communicating pipe.
6. The pneumatic drainage device for coal mine gas extraction according to any one of claims 1 to 4, characterized in that: and a horizontally extending supporting plate is fixed on the water discharging box, and the air pump is arranged on the supporting plate.
7. The pneumatic drainage device for coal mine gas extraction according to any one of claims 1 to 4, characterized in that: the first communicating pipe is a transparent rubber pipe.
8. The pneumatic drainage device for coal mine gas extraction according to any one of claims 1 to 4, characterized in that: a supporting rod is arranged on the lower side of the water discharging tank, and a supporting seat is fixed on the lower side of the supporting rod.
9. The pneumatic drainage device for coal mine gas extraction according to any one of claims 1 to 4, characterized in that: the water inlet is located at the position, close to the upper part, of the middle of the water storage cavity, and the water outlet is located at the position, close to the lower part, of the middle of the water drainage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222306751.9U CN218093132U (en) | 2022-08-31 | 2022-08-31 | Gas drainage pneumatic drainage device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222306751.9U CN218093132U (en) | 2022-08-31 | 2022-08-31 | Gas drainage pneumatic drainage device for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218093132U true CN218093132U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222306751.9U Active CN218093132U (en) | 2022-08-31 | 2022-08-31 | Gas drainage pneumatic drainage device for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218093132U (en) |
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2022
- 2022-08-31 CN CN202222306751.9U patent/CN218093132U/en active Active
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