CN212744072U - Gas control automatic water drainage device for gas pipeline - Google Patents
Gas control automatic water drainage device for gas pipeline Download PDFInfo
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- CN212744072U CN212744072U CN202021341536.7U CN202021341536U CN212744072U CN 212744072 U CN212744072 U CN 212744072U CN 202021341536 U CN202021341536 U CN 202021341536U CN 212744072 U CN212744072 U CN 212744072U
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Abstract
The utility model relates to a colliery gas drainage technique specifically is an automatic ware that drains of gas pipeline gas accuse. The technical problems that an existing negative pressure water drainage device for the coal mine is unstable in use, the cost of an electric control water drainage device is high, and the negative pressure water drainage device cannot be used when power failure occurs are solved. A gas control automatic water drainage device for a gas pipeline comprises a box body, a water inlet pneumatic two-way valve, a balance port pneumatic three-way valve, a water outlet pneumatic two-way valve and a two-position five-way pneumatic control valve; the pneumatic two-way valve of the water inlet is arranged at the water inlet of the box body, one port of the pneumatic two-way valve is communicated with the interior of the box body, and the other port of the pneumatic two-way valve is communicated with the gas extraction manifold; the balance port pneumatic three-way valve is arranged at a balance port of the box body, a first port is communicated with the upper part of the gas extraction manifold, a second port is communicated with the interior of the box body, and a third port is communicated with the external atmosphere; the pneumatic two-way valve of the water outlet is arranged at the water outlet of the box body, one port of the pneumatic two-way valve is communicated with the interior of the box body, and the other port of the pneumatic two-way valve is communicated with the exterior of the box body.
Description
Technical Field
The utility model relates to a colliery gas drainage technique specifically is an automatic ware that drains of gas pipeline gas accuse.
Background
In the process of coal mine gas extraction, a large amount of water and coal cinder exist in a drill hole, the water and the coal cinder can enter a gas extraction pipeline under the action of negative pressure of a gas extraction system, the water and the coal cinder can affect the extraction efficiency at a low-lying position of the pipeline, and therefore the water is required to be discharged in time.
Disclosure of Invention
The utility model discloses a solve present negative pressure for coal mine ware that drains and use unstable, automatically controlled ware cost that drains is higher and meet the technical problem that can't use when having a power failure, provide an automatic ware that drains of gas pipeline gas accuse.
The utility model discloses an adopt following technical scheme to realize: a gas control automatic water drainage device for a gas pipeline comprises a box body, a water inlet pneumatic two-way valve, a balance port pneumatic three-way valve, a water outlet pneumatic two-way valve and a two-position five-way pneumatic control valve; the pneumatic two-way valve of the water inlet is arranged at the water inlet of the box body, one port of the pneumatic two-way valve is communicated with the interior of the box body, and the other port of the pneumatic two-way valve is communicated with the gas extraction manifold; the balance port pneumatic three-way valve is arranged at a balance port of the box body, a first port is communicated with the upper part of the gas extraction manifold, a second port is communicated with the interior of the box body, and a third port is communicated with the external atmosphere; the pneumatic two-way valve of the water outlet is arranged at the water outlet of the box body, one port of the pneumatic two-way valve is communicated with the interior of the box body, and the other port of the pneumatic two-way valve is communicated with the exterior of the box body; the balance port is higher than the water outlet; the top of the box body is provided with an opening, a flange assembly is fixed at the opening, and the pneumatic control valve is arranged at the central hole of the flange assembly; the port B of the pneumatic control valve is communicated with the port G of the pneumatic two-way valve of the water inlet, the port G of the pneumatic three-way valve of the balance port and the port K of the pneumatic two-way valve of the water outlet; the central hole of the flange component is also fixedly provided with a threaded sleeve positioned below the pneumatic control valve, and the outer side of the threaded sleeve is spirally connected with a guide sleeve; a valve rod of the pneumatic control valve downwards penetrates through the center of the threaded sleeve and is connected with a T-shaped magnet fixing rod; the bottom of the horizontal section of the magnet fixing rod is fixedly sleeved with an annular magnet, the center of the top of the magnet fixing rod is connected with a valve rod of the pneumatic control valve, the vertical section of the magnet fixing rod penetrates through a central hole of the guide sleeve and is fixedly connected with a guide rod extending into the box body, the guide rod is provided with an upper limit and a lower limit from top to bottom, and a floating barrel positioned between the upper limit and the lower limit is movably sleeved on the guide rod; the bottom surface in the threaded sleeve and the top surface in the guide sleeve are spaced and the spacing is greater than the height of the horizontal section of the magnet fixing rod; the top end surface of the horizontal section of the magnet fixing rod and the inner bottom surface of the threaded sleeve form an adsorption matching surface; the bottom end face of the horizontal section of the magnet fixing rod and the inner top face of the guide sleeve form a limiting matching surface.
The pneumatic two-way valve at the water inlet of the gas pipeline pneumatic control automatic water discharger is connected into a gas extraction manifold, the pneumatic three-way valve at the balance port is connected into the upper part of the gas extraction manifold, at the moment, the pneumatic two-way valve at the water inlet is in an open state, the pneumatic three-way valve at the balance port is in a state of being communicated with the upper part of the gas pipe (preventing water in the pipe from flowing into the three-way valve), the pneumatic two-way valve at a water outlet is in a closed state, water and coal cinder in the gas extraction manifold can enter a box body, the buoy rises along with the increase of water quantity and contacts with an upper limit position, the buoy drives the guide rod to move upwards to jack up a valve rod of the pneumatic control valve, the gas circuit of the pneumatic control valve is reversed, meanwhile, the magnet and the bottom end face of a thread sleeve (steel) are attracted, at the moment, the pneumatic two-way valve at the water inlet of the automatic water discharger, the pneumatic two-way valve of the water outlet is opened to start water discharging, the buoy descends along with the water level along the guide rod at the moment, the guide rod is driven to descend when the buoy descends to the lower limit of the guide rod, the magnet is separated under the gravity action of the buoy, the valve rod of the pneumatic control valve is pulled by the guide rod to descend to realize reversing, the valve rod returns to the initial state, and a cycle is completed.
Automatic ware that drains of gas circuit gas accuse simple and practical, the cost is lower, need not electrified control circuit, the operation is more reliable.
Drawings
Fig. 1 is a schematic view of the external installation of the present invention.
Fig. 2 is a schematic diagram of the gas circuit connection of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is a partially enlarged schematic view (water-in state) of fig. 3.
Fig. 5 is a partially enlarged schematic view (water discharge state) of fig. 3.
1-box body, 2-water inlet pneumatic two-way valve, 3-balance port pneumatic three-way valve, 4-water outlet pneumatic two-way valve, 5-buoy, 6-guide rod, 7-upper limit, 8-lower limit, 9-guide sleeve, 10-annular magnet, 11-gasket, 12-magnet fixing rod, 13-valve rod, 14-pneumatic control valve, 15-thread sleeve, 16-flange and flange cover, 17-flange pad, 18-decorative cover, 19-water inlet pipe, 20-air pipe, 21-balance pipe, 22-air source processor, 23-flange cover, 24-gas extraction pipe converging pipe and 25-sealing element.
Detailed Description
A gas control automatic water drainage device for a gas pipeline comprises a box body 1, a water inlet pneumatic two-way valve 2, a balance port pneumatic three-way valve 3, a water outlet pneumatic two-way valve 4 and a two-position five-way pneumatic control valve 14; the pneumatic two-way valve 2 of the water inlet is arranged at the water inlet of the box body 1, one port of the pneumatic two-way valve is communicated with the interior of the box body 1, and the other port of the pneumatic two-way valve is communicated with the gas extraction pipe collecting pipe 24; the balance port pneumatic three-way valve 3 is arranged at a balance port of the box body, a first port is communicated with the upper part of the gas extraction manifold 24, a second port is communicated with the inside of the box body 1, and a third port is communicated with the outside atmosphere; the pneumatic two-way valve 4 of the water outlet is arranged at the water outlet of the box body 1, one port of the pneumatic two-way valve is communicated with the inside of the box body 1, and the other port of the pneumatic two-way valve is communicated with the outside of the box body 1; the balance port is higher than the water outlet; an opening is formed in the top of the box body 1, a flange component is fixed at the opening, and the pneumatic control valve 14 is installed at the central hole of the flange; the port B of the pneumatic control valve 14 is communicated with the port G of the pneumatic two-way valve 2 of the water inlet, the port G of the pneumatic three-way valve 3 of the balance port and the port K of the pneumatic two-way valve 4 of the water outlet; a threaded sleeve 15 positioned below the pneumatic control valve 14 is also fixedly arranged in a central hole of the flange assembly (the flange and the flange cover), and a guide sleeve 9 is spirally connected to the outer side of the threaded sleeve 15; a valve rod 13 of the pneumatic control valve 14 downwards penetrates through the center of a threaded sleeve 15 and is connected with a T-shaped magnet fixing rod 12; the bottom of the horizontal section of the magnet fixing rod 12 is fixedly sleeved with an annular magnet 10, the center of the top of the magnet fixing rod 12 is provided with a screw hole and is connected with a valve rod 13 of a pneumatic control valve 14, the vertical section of the magnet fixing rod 12 penetrates through the center hole of the guide sleeve 9, a guide rod 6 extending into the box body 1 is fixedly sleeved on the outer side of the vertical section, an upper limit 7 and a lower limit 8 are arranged on the guide rod 6 from top to bottom, and a buoy 5 positioned between the upper limit and the lower limit is movably sleeved on the guide; a space is arranged between the inner bottom surface of the threaded sleeve 15 and the inner top surface of the guide sleeve 9, and the space is greater than the height of the horizontal section of the magnet fixing rod 12; the top end surface of the horizontal section of the magnet fixing rod 12 and the inner bottom surface of the threaded sleeve 15 form an adsorption matching surface; the bottom end face of the horizontal section of the magnet fixing rod 12 and the inner top face of the guide sleeve 9 form a limiting matching surface. In a water inlet state, the bottom end face of the magnet can be clamped on the top end face of the guide sleeve, and the distance between the top of the magnet fixing rod and the top of the threaded sleeve is used as the displacement stroke of the valve rod; and in the water discharging state, the magnet fixing rod can be adsorbed on the bottom end face of the threaded sleeve under the action of the annular magnet. In fig. 5, a sealing member 25 is fixedly arranged on the side wall of the central hole of the threaded sleeve 15 connected with the pneumatic control valve (the part just extending into the threaded sleeve below the pneumatic control valve) so as to ensure the sealing between the guide sleeve and the guide rod.
As shown in FIG. 1, the balance port and the water inlet are positioned on the opposite side walls of the upper part of the box body 1, and the water outlet is positioned on the side walls of the lower part of the box body 1; the upper part and the lower part are limited between the water inlet and the balance port; the port P of the pneumatic control valve 14 is connected with an air source processor 22 through an air pipe 20, and the air source processor 22 is connected with an external air source through a compressed air pipeline.
As can be seen from fig. 4 and 5, the horizontal section of the magnet fixing rod 12 is a two-step structure, wherein the outer diameter of the lower step is smaller than that of the upper step; the ring magnet 10 is sleeved on the upper step and has the same height as the upper step, and a gasket 11 is fixed on the lower step to fix the ring magnet 10.
As shown in fig. 3 to 5, the opening circumference at the top of the box body 1 extends upwards, the flange assembly is installed at the opening top port, the threaded sleeve 15 is fixed at the central hole of the flange assembly, and the pneumatic control valve 14 is fixed at the upper part of the threaded sleeve 15; the outer periphery of the threaded sleeve 15 extends downwards and is provided with an external thread, and the outer periphery of the top part of the guide sleeve 9 extends upwards and is provided with an internal thread matched with the external thread of the threaded sleeve 15 and is in threaded connection.
The upper and lower limiting movable sleeves are arranged on the guide rod 6 and fastened through the fastening piece, so that corresponding adjustment can be conveniently carried out according to actual conditions, such as the height of the balance port and the water outlet, the drainage height, the drainage quantity and the like.
As shown in fig. 3, the balance port pneumatic three-way valve 3 and the drain port pneumatic two-way valve 4 are also sleeved with a decorative cover 18, and the decorative cover is provided with corresponding openings for the inlet and outlet of the pipeline.
The pneumatic two-way valve 2 at the water inlet of the gas pipeline pneumatic control automatic water discharger of the utility model is connected with a gas extraction manifold 24 (which is connected at the bottom and enables water and impurities in the pipe to flow into the box body), the pneumatic three-way valve 3 at the balance port is connected with the upper part of the gas extraction manifold 24, at the moment, the pneumatic two-way valve 2 at the water inlet is in an open state, the pneumatic three-way valve 3 at the balance port is in a state of being communicated with the upper part of the gas pipe (visible in figure 1 and prevents water in the pipe from flowing into the three-way valve), the pneumatic two-way valve 4 at the water outlet is in a closed state, water and coal slag in the gas extraction manifold 24 can enter the box body, the buoy 5 rises along with the guide rod 6 along with the increase of water quantity, when the buoy rises to contact with the upper limit 7, the buoy drives the guide rod 6 to move upwards to jack up the valve rod 13 of the valve 14, at the moment, a pneumatic two-way valve 2 of a water inlet of the pneumatic control automatic water drainage device is closed, a pneumatic three-way valve 3 of a balance port is disconnected with a converging pipe passage of a gas extraction pipe and communicated with the atmosphere, a pneumatic two-way valve 4 of a water outlet is opened to start water drainage, a buoy 5 descends along with a water level along a guide rod 6 at the moment until the buoy descends to a lower limit 8 of the guide rod, the guide rod is driven to descend, a magnet is separated under the gravity action of the buoy, the guide rod pulls a valve rod of the pneumatic control valve to descend, reversing is realized, the valve rod.
The pneumatic control principle of the utility model is shown in figures 3, 4 and 5.
In the initial state (the water discharger is in a water inlet state, the buoy is below), a control air source enters a P port of the pneumatic control valve 14 through the air source processor, enters a K port of the water inlet pneumatic two-way valve 2 through an A port, enters a K port of the balance port pneumatic three-way valve 3, enters a G port of the water outlet pneumatic two-way valve 4, the water inlet pneumatic two-way valve 2 is in an open state at the moment, the balance port pneumatic three-way valve 3 is in a state of being communicated with a gas extraction pipeline, the water outlet pneumatic two-way valve 4 is in a closed state, after the water level rises, the buoy rises, a valve rod 13 of the pneumatic control valve moves upwards, the pneumatic control valve 14 is reversed at the moment, the control air source enters the G port of the water inlet pneumatic two-way ball valve 2 through the P port of the pneumatic control valve, enters the G port of the balance port pneumatic three-way valve 3 and enters the K port of the water outlet pneumatic two-way valve, at the moment, the pneumatic two-way valve 2 of the water inlet is in a closed state, the pneumatic three-way valve 3 of the balance port is in a state of being communicated with the atmosphere, and the pneumatic two-way valve 4 of the water outlet is in an open state for discharging water. When the buoy descends, the valve rod 13 of the pneumatic control valve moves downwards, and the pneumatic control valve 14 returns to the initial state to complete one cycle.
Claims (6)
1. A gas control automatic water drainage device for a gas pipeline comprises a box body (1) and is characterized by further comprising a water inlet pneumatic two-way valve (2), a balance port pneumatic three-way valve (3), a water outlet pneumatic two-way valve (4) and a two-position five-way pneumatic control valve (14); the pneumatic two-way valve (2) of the water inlet is arranged at the water inlet of the box body (1), one port of the pneumatic two-way valve is communicated with the interior of the box body (1), and the other port of the pneumatic two-way valve is communicated with a gas extraction manifold (24); the balance port pneumatic three-way valve (3) is arranged at a balance port of the box body (1), a first port is communicated with the upper part of a gas extraction manifold (24), a second port is communicated with the interior of the box body (1), and a third port is communicated with the external atmosphere; the pneumatic two-way valve (4) of the water outlet is arranged at the water outlet of the box body (1), one port of the pneumatic two-way valve is communicated with the interior of the box body (1), and the other port of the pneumatic two-way valve is communicated with the exterior of the box body (1); the balance port is higher than the water outlet; an opening is formed in the top of the box body (1), a flange assembly is fixed at the opening, and the pneumatic control valve (14) is installed at the central hole of the flange assembly; the P port of the pneumatic control valve (14) is connected with an air source, the A port is communicated with the K port of the water inlet pneumatic two-way valve (2), the K port of the balance port pneumatic three-way valve (3) and the G port of the water outlet pneumatic two-way valve (4), and the B port of the pneumatic control valve (14) is communicated with the G port of the water inlet pneumatic two-way valve (2), the G port of the balance port pneumatic three-way valve (3) and the K port of the water outlet pneumatic two-way valve (4); a threaded sleeve (15) positioned below the pneumatic control valve (14) is fixedly arranged in the central hole of the flange assembly, and a guide sleeve (9) is spirally connected to the outer side of the threaded sleeve (15); a valve rod (13) of the pneumatic control valve (14) downwards passes through the center of the threaded sleeve (15) and is connected with a T-shaped magnet fixing rod (12); the bottom of the horizontal section of the magnet fixing rod (12) is fixedly sleeved with an annular magnet (10), the center of the top of the magnet fixing rod (12) is connected with a valve rod (13) of a pneumatic control valve (14), the vertical section of the magnet fixing rod (12) penetrates through the center hole of the guide sleeve (9), the vertical section is fixedly connected with a guide rod (6) extending into the box body (1), an upper limit (7) and a lower limit (8) are arranged on the guide rod (6) from top to bottom, and a floating barrel (5) located between the upper limit and the lower limit is movably sleeved on the guide rod; a space is arranged between the inner bottom surface of the threaded sleeve (15) and the inner top surface of the guide sleeve (9), and the space is greater than the height of the horizontal section of the magnet fixing rod (12); the top end surface of the horizontal section of the magnet fixing rod (12) and the inner bottom surface of the threaded sleeve (15) form an adsorption matching surface; the bottom end face of the horizontal section of the magnet fixing rod (12) and the inner top face of the guide sleeve (9) form a limiting matching surface.
2. The gas pipeline pneumatic control automatic water discharger according to claim 1, wherein the balance port and the water inlet are located on opposite side walls of the upper part of the tank body (1), and the water discharge port is located on a side wall of the lower part of the tank body (1); the upper part and the lower part are limited between the water inlet and the balance port; the P port of the pneumatic control valve (14) is connected with an air source processor (22) through an air pipe (20), and the air source processor (22) is connected with an external air source through a compressed air pipeline.
3. The gas pipeline pneumatic control automatic water discharger according to claim 1 or 2, wherein the horizontal section of the magnet fixing rod (12) is of a two-stage step structure, wherein the outer diameter of a lower stage step is smaller than that of an upper stage step; the annular magnet (10) is sleeved on the upper step, and a gasket (11) is fixed on the lower step to fix the annular magnet (10).
4. The gas-controlled automatic water discharger of the gas pipeline according to claim 1 or 2, wherein the opening periphery at the top of the tank body (1) extends upwards, the flange assembly is installed at the opening top port, the threaded sleeve (15) is fixed at the central hole of the flange assembly, and the gas-controlled valve (14) is fixed at the upper part of the threaded sleeve (15); the outer side periphery of the threaded sleeve (15) extends downwards and is provided with an external thread, and the outer side periphery of the top of the guide sleeve (9) extends upwards and is provided with an internal thread matched with the external thread of the threaded sleeve (15) and is in threaded connection.
5. The gas pipeline pneumatic control automatic water discharger according to claim 3, wherein the upper and lower limiting movable sleeves are sleeved on the guide rod (6) and fastened through a fastener.
6. The gas pipeline pneumatic control automatic water discharger according to claim 1 or 2, wherein a decorative cover (18) is further sleeved outside the balance port pneumatic three-way valve (3) and the water outlet pneumatic two-way valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021341536.7U CN212744072U (en) | 2020-07-10 | 2020-07-10 | Gas control automatic water drainage device for gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021341536.7U CN212744072U (en) | 2020-07-10 | 2020-07-10 | Gas control automatic water drainage device for gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744072U true CN212744072U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021341536.7U Active CN212744072U (en) | 2020-07-10 | 2020-07-10 | Gas control automatic water drainage device for gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744072U (en) |
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2020
- 2020-07-10 CN CN202021341536.7U patent/CN212744072U/en active Active
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