CN212004751U - Ball valve blowdown discharge device for natural gas long-distance pipeline valve chamber - Google Patents
Ball valve blowdown discharge device for natural gas long-distance pipeline valve chamber Download PDFInfo
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- CN212004751U CN212004751U CN202020722607.1U CN202020722607U CN212004751U CN 212004751 U CN212004751 U CN 212004751U CN 202020722607 U CN202020722607 U CN 202020722607U CN 212004751 U CN212004751 U CN 212004751U
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Abstract
The utility model discloses a ball valve blowdown external discharge device for natural gas long distance pipeline valve room, including fixed ball valve body, the outer wall welding of fixed ball valve body bottom has outer pipeline, outer pipeline top outer wall is provided with manometer and blowdown valve, outer pipeline one side outer wall is rotated through the screw thread and is connected with fastening nut, the outer wall welding of fixed ball valve body one side has the detection pipeline, detection pipeline top outer wall is provided with the concentration detection valve, the outer wall welding of fixed ball valve body top has the supporting seat, the outer wall welding of supporting seat top has the gear box, gear box top outer wall rotates and is connected with the rotation post, the outer wall welding of rotation post top is decided the top and is had a rotating gear, the outer wall welding of rotation post bottom has the. The utility model discloses a detection pipeline can detect the inside natural gas concentration of fixed ball valve body, can monitor the pressure in the outer exhaust pipe way through the manometer.
Description
Technical Field
The utility model relates to an outer discharging device technical field especially relates to a ball valve blowdown outer discharging device for natural gas long distance pipeline valve room.
Background
In the prior art, a valve chamber is an important joint part of a long-distance pipeline, a trunk line cut-off valve and a bypass pipeline ball valve are usually arranged in the valve chamber, when the routine inspection and maintenance work is carried out, the trunk line cut-off ball valve and the bypass ball valve in the valve chamber need to be subjected to internal leakage test and pollution discharge work, and meanwhile, when the routine inspection and maintenance work is carried out on the faults of a ball valve body, if the valve needs to be subjected to non-pressure operation, gas in the valve chamber also needs to be discharged through pollution discharge. And the blowdown and discharge positions of the main line cut-off ball valve and the bypass ball valve are not connected with a vent pipeline, so that gas in the valve cavity is directly discharged into the valve chamber through the blowdown valve of the ball valve body when the ball valve is subjected to internal leakage test and blowdown operation.
Through the retrieval, chinese patent application number is CN 207064955U's patent, a ball valve blowdown is arranged outward for natural gas long distance pipeline valve room is disclosed, it includes pipeline assembly and the counter weight component of releasing, the counter weight component can prevent the pipeline assembly swing of releasing, pipeline assembly of releasing includes the adapter, the nipple, the manometer, three way connection, the leak hunting ball valve, bleed pipe and pipeline spark arrester, the one end of adapter and the export intercommunication of the interior blowdown valve of valve room, the other end of adapter and the one end intercommunication of nipple, two interfaces that the nipple passes through three way connection communicate with the front end of bleed pipe, another kneck of three way connection is equipped with the manometer, be equipped with the leak hunting ball valve on the bleed pipe, the end and the pipeline spark arrester intercommunication of bleed pipe. The beneficial effects are that: the portable trolley is simple in structure, light in weight, convenient to transport and carry, and capable of being carried by one person without consuming more manpower and material resources; the operation method is simple and easy to assemble, and the operation can be finished by one person; the ball valve with leak detection is used for observing the pressure rise condition of the pressure gauge and judging whether the ball valve in the valve chamber leaks inwards or not.
The ball valve blowdown discharging device for the natural gas long-distance pipeline valve chamber in the patent has the following defects: and a ball valve sewage discharge outlet is not arranged, so that sewage cannot be discharged outside the ball valve in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the ball valve blowdown outlet is not arranged in the prior art, so that the sewage can not be discharged to the outside defect of the ball valve in time, and the provided ball valve blowdown external discharge device for the natural gas long-distance pipeline valve chamber.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a ball valve blowdown is outer to be arranged device for natural gas long distance pipeline valve room, includes fixed ball valve body, its characterized in that, the outer wall welding of fixed ball valve body bottom has outer row pipeline, outer row pipeline top outer wall is provided with manometer and blowdown valve, outer row pipeline one side outer wall is connected with fastening nut through the screw rotation, the outer wall welding of fixed ball valve body one side has the detection pipeline, detection pipeline top outer wall is provided with the concentration detection valve.
As a further aspect of the present invention: the fixed ball valve body top outer wall welding has the supporting seat, supporting seat top outer wall welding has the gear box.
As a further aspect of the present invention: the outer wall of the top of the gear box is rotatably connected with a rotating column, and a rotating gear is welded on the outer wall of the fixed top of the rotating column.
As a further aspect of the present invention: the outer wall of the bottom of the rotating column is welded with an opening and closing piece, the inner wall of one side of the gear box is rotatably connected with a threaded rod through a bearing, and the outer wall of the threaded rod is meshed with the outer wall of the rotating gear.
As a further aspect of the present invention: the outer wall welding of threaded rod one side has the rolling disc, the welding of fixed ball valve body inner wall has two limiting plates.
As a further aspect of the present invention: the outer wall welding of outer row pipeline one side has the water tank, the outer wall of water tank top passes through the bolt fastening and has the water pump.
As a further aspect of the present invention: the outer wall welding of water pump one side has the connecting pipe, the one end that the water pump was kept away from to the connecting pipe welds in water tank one side outer wall, the outer wall welding of water pump opposite side has the shower.
Compared with the prior art, the utility model provides a ball valve blowdown is arranged outward device for natural gas long distance pipeline valve room possesses following beneficial effect:
1. this kind of a device is arranged outward in ball valve blowdown for natural gas long-distance pipeline valve room can detect the inside natural gas concentration of fixed ball valve body through the detection pipeline, can monitor the pressure in the outer calandria pipeline through the manometer, can control the switch of outer calandria through blowdown valve door, can make the filth flow out through the elasticity of control fastening nut.
2. This kind of a ball valve blowdown is arranged outward device for natural gas long-distance pipeline valve room can drive the threaded rod through rotating the rolling disc and rotate, and the threaded rod can drive the running gear and rotate to the rotation of control opening and closing member carries out on-off control to fixed ball valve body, can carry on spacingly to opening and closing member through the limiting plate.
3. This kind of a ball valve blowdown is arranged outward device for natural gas long distance pipeline valve room can spray the fastening nut outer wall with the water in the water tank through the water pump, if fastening nut department bubble production after spraying, then fastening nut does not screw, needs fasten once more.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation.
Drawings
Fig. 1 is a schematic view of a front view cross-sectional structure of a ball valve blowdown discharging device for a natural gas long-distance pipeline valve chamber according to the present invention;
fig. 2 is a schematic side view, sectional structural view of a ball valve blowdown discharging device for a natural gas long distance pipeline valve chamber according to the present invention;
fig. 3 is the utility model provides a look down the sectional structure schematic diagram that is used for outer discharging device of ball valve blowdown of long distance pipeline valve room of natural gas.
In the figure: 1-fixed ball valve body, 2-opening and closing piece, 3-supporting seat, 4-gear box, 5-rotating disc, 6-rotating column, 7-limiting plate, 8-concentration detection valve, 9-detection pipeline, 10-pressure gauge, 11-outer discharge pipeline, 12-fastening nut, 13-rotating gear, 14-threaded rod, 15-blow-down valve, 16-spray pipe, 17-connecting pipe, 18-water pump and 19-water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In order to discharge sewage, the ball valve blowdown discharge device for the natural gas long-distance pipeline valve chamber comprises a fixed ball valve body 1, wherein a discharge pipeline 11 is welded on the outer wall of the bottom of the fixed ball valve body 1, a pressure gauge 10 and a sewage discharge valve 15 are arranged on the outer wall of the top of the discharge pipeline 11, a fastening nut 12 is rotatably connected to the outer wall of one side of the discharge pipeline 11 through threads, a detection pipeline 9 is welded on the outer wall of one side of the fixed ball valve body 1, and a concentration detection valve 8 is arranged on the outer wall of the top of the detection pipeline 9; can detect the natural gas concentration of fixed ball valve body 1 inside through detecting pipeline 9, can monitor the pressure in the outer calandria pipeline 11 through manometer 10, can control the switch of outer calandria through blowoff valve 15, can make the filth flow out through the elasticity of control fastening nut 12.
In order to control the opening and closing of the fixed ball valve body 1, as shown in fig. 1 and fig. 3, a supporting seat 3 is welded on the outer wall of the top of the fixed ball valve body 1, a gear box 4 is welded on the outer wall of the top of the gear box 3, a rotating column 6 is rotatably connected on the outer wall of the top of the gear box 4, a rotating gear 13 is welded on the outer wall of the top of the rotating column 6, an opening and closing part 2 is welded on the outer wall of the bottom of the rotating column 6, a threaded rod 14 is rotatably connected on the inner wall of one side of the gear box 4 through a bearing, the outer wall of the threaded rod 14 is meshed with the outer wall of the; the rotating disc 5 can be rotated to drive the threaded rod 14 to rotate, the threaded rod 14 can drive the rotating gear 13 to rotate, so that the opening and closing piece 2 is controlled to rotate, the fixed ball valve body 1 is controlled to be opened and closed, and the opening and closing piece 2 can be limited through the limiting plate 7.
In order to detect whether the fastening nut 12 is locked after sewage discharge, as shown in fig. 3, a water tank 19 is welded on the outer wall of one side of the outer discharge pipeline 11, a water pump 18 is fixed on the outer wall of the top of the water tank 19 through bolts, a connecting pipe 17 is welded on the outer wall of one side of the water pump 18, one end of the connecting pipe 17, which is far away from the water pump 18, is welded on the outer wall of one side of the water tank 19, and a spray pipe 16 is; the water in the water tank 19 is sprayed to the outer wall of the fastening nut 12 by the water pump 18, and if air bubbles are generated in the fastening nut 12 after the spraying, the fastening nut 12 is not tightened and needs to be tightened again.
The working principle is as follows: when carrying out the blowdown operation, natural gas pressure to fixed ball valve body 1 inside through detection pipeline 9 detects, guarantee the safety of blowdown, make closure 2 airtight to fixed ball valve body 1 through rotating rolling disc 5, reduce the inside pressure of fixed ball valve body 1, open blowdown valve 15 afterwards, open fastening nut 12 through the spanner, with the safety of guaranteeing the blowdown, aperture through the index control fastening nut 12 of manometer 10, the blowdown finishes the back, screw fastening nut 12, spray fastening nut 12 through the shower head, it screws as fastening nut 12 not to see the bubble into fastening nut 12.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a device is arranged outward in ball valve blowdown for natural gas long distance pipeline valve room, includes fixed ball valve body (1), its characterized in that, fixed ball valve body (1) bottom outer wall welding has outer pipeline (11), outer pipeline (11) top outer wall is provided with manometer (10) and blowdown valve (15), outer pipeline (11) one side outer wall is connected with fastening nut (12) through the screw thread rotation, the outer wall welding of fixed ball valve body (1) one side has pipeline (9), pipeline (9) top outer wall is provided with concentration detection valve (8).
2. The ball valve blowdown discharging device for the natural gas long distance pipeline valve chamber according to claim 1, wherein the fixed ball valve body (1) is welded with a supporting seat (3) on the outer wall of the top, and the supporting seat (3) is welded with a gear box (4) on the outer wall of the top.
3. The ball valve blowdown discharging device for the natural gas long distance pipeline valve chamber according to claim 2, wherein the outer wall of the top of the gear box (4) is rotatably connected with a rotating column (6), and the outer wall of the fixed top of the rotating column (6) is welded with a rotating gear (13).
4. The ball valve blowdown discharging device for the valve chamber of the long distance natural gas pipeline according to claim 3, wherein the outer wall of the bottom of the rotating column (6) is welded with the opening and closing member (2), the inner wall of one side of the gear box (4) is rotatably connected with a threaded rod (14) through a bearing, and the outer wall of the threaded rod (14) is meshed with the outer wall of the rotating gear (13).
5. The ball valve blowdown discharging device for the natural gas long-distance pipeline valve chamber according to claim 4, wherein a rotating disc (5) is welded on the outer wall of one side of the threaded rod (14), and two limiting plates (7) are welded on the inner wall of the fixed ball valve body (1).
6. The ball valve blowdown discharging device for the valve chamber of the long distance natural gas pipeline according to claim 1, wherein a water tank (19) is welded on the outer wall of one side of the discharging pipeline (11), and a water pump (18) is fixed on the outer wall of the top of the water tank (19) through bolts.
7. The ball valve blowdown discharging device for the natural gas long distance pipeline valve chamber according to claim 6, wherein a connecting pipe (17) is welded on the outer wall of one side of the water pump (18), one end of the connecting pipe (17) far away from the water pump (18) is welded on the outer wall of one side of the water tank (19), and a spray pipe (16) is welded on the outer wall of the other side of the water pump (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020722607.1U CN212004751U (en) | 2020-05-06 | 2020-05-06 | Ball valve blowdown discharge device for natural gas long-distance pipeline valve chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020722607.1U CN212004751U (en) | 2020-05-06 | 2020-05-06 | Ball valve blowdown discharge device for natural gas long-distance pipeline valve chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212004751U true CN212004751U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020722607.1U Active CN212004751U (en) | 2020-05-06 | 2020-05-06 | Ball valve blowdown discharge device for natural gas long-distance pipeline valve chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212004751U (en) |
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2020
- 2020-05-06 CN CN202020722607.1U patent/CN212004751U/en active Active
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