CN220037487U

CN220037487U - Flashboard type throttle valve

Info

Publication number: CN220037487U
Application number: CN202321410234.4U
Authority: CN
Inventors: 刘中桂; 王秋保; 句海娜; 赵青河; 朱景涛; 房晶媛
Original assignee: Beijing Jinkelong Petroleum Technology Development Co ltd
Current assignee: Beijing Jinkelong Petroleum Technology Development Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-11-17
Anticipated expiration: 2033-06-05

Abstract

The utility model relates to a flashboard type throttle valve, which comprises a valve body; the valve body is provided with a through fluid through hole along the horizontal direction and a through valve plate cavity along the vertical direction; the fluid through hole is provided with a second throttle nozzle mounting hole and a first throttle nozzle mounting hole which are communicated; the second throttle nozzle mounting holes and the first throttle nozzle mounting holes are respectively provided with an auxiliary valve seat in one side of the valve plate cavity, and the other side of the second throttle nozzle mounting holes is in threaded connection with the first baffle nut; the top of the valve body is provided with a valve cover, and the bottom of the valve body is provided with a blind flange; a valve plate is movably arranged in the valve plate cavity and blocks the fluid through hole; the valve plate is respectively provided with a first throttling hole and a second throttling hole which are communicated in the horizontal direction; a first throttle mouth is arranged in the first throttle hole; a second throttle mouth is arranged in the second throttle hole; the valve cover is provided with a push-pull device for pushing the valve plate to move up and down so that the fluid through hole is communicated through the first throttling hole or the second throttling hole. The utility model has the advantages of simple operation, capability of replacing the throttle mouth under pressure, no influence on normal production, improvement of productivity and the like.

Description

Flashboard type throttle valve

Technical Field

The utility model relates to the technical field of oil and gas fields, in particular to a flashboard type throttle valve.

Background

In oil and gas field production, the state of each well is different, so that the production of each well needs to be controlled to prevent the formation pressure from being reduced too fast in production; meanwhile, the extracted natural gas, crude oil or water contains a certain amount of impurities such as silt, and the silt can scour and abrade a conveying pipeline and equipment in the high-pressure and rapid conveying process, so that the service life of the pipeline and equipment is shortened; for this reason, a restrictor is usually added on the pipeline, and natural gas, crude oil or water flow is regulated through a throttling nozzle on the restrictor, so as to balance the yield of each well and prevent the formation pressure from being reduced too quickly; the flow velocity of natural gas, crude oil or water is reduced through the throttling nozzle on the throttler, the scouring and abrasion of the silt to the conveying pipeline and equipment are reduced, and the service life of the conveying pipeline and equipment is prolonged.

However, the existing throttler is worn seriously due to sediment after being used for a period of time, and the throttler needs to be replaced by stopping production at present, so that the production is greatly influenced, and the production efficiency is influenced.

Disclosure of Invention

Therefore, the utility model provides a gate-type throttle valve, which mainly solves the technical problems that production is influenced and production efficiency is influenced due to the fact that production is stopped when a throttle nozzle is replaced by a throttle in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

a gate-type throttle valve comprises a valve body; the valve body is provided with a through fluid through hole along the horizontal direction and a through valve plate cavity along the vertical direction; the upper side and the lower side of the fluid through hole are respectively provided with a through second throttle nozzle mounting hole and a through first throttle nozzle mounting hole along the horizontal direction; the fluid through hole, the second throttle nozzle mounting hole and the first throttle nozzle mounting hole are all crossed and communicated with the valve plate cavity in the valve body; the second throttle nozzle mounting hole and the first throttle nozzle mounting hole are respectively provided with an auxiliary valve seat in one side of the valve plate cavity, and the other side of the second throttle nozzle mounting hole is in threaded connection with the first baffle nut; the top of the valve body is provided with a valve cover, and the bottom of the valve body is provided with a blind flange; the valve cover and the blind flange seal the valve plate cavity, a valve plate is movably arranged in the valve plate cavity, and the valve plate blocks the fluid through hole; the valve plate is respectively provided with a first throttling hole and a second throttling hole which are communicated in the horizontal direction; a first throttle nozzle is arranged in the first throttle hole; a second throttle mouth is arranged in the second throttle hole; the valve cover is provided with a push-pull device which is used for pushing the valve plate to move up and down so that the fluid through hole is communicated through the first throttling hole or the second throttling hole.

Preferably, a first ripple spring is arranged between the end face of the auxiliary valve seat, which is far away from the valve plate cavity, and the valve body.

Preferably, a first sealing ring is arranged between the side wall of the auxiliary valve seat and the valve body; and a sealing gasket is arranged between the first baffle nut and the valve body.

Preferably, the device further comprises an indication rod; the first baffle nut on the right side of the second throttle nozzle mounting hole is a second baffle nut; the left end of the indicating rod can movably pass through the second baffle nut and extend into the auxiliary valve seat; the spring and the spring pressing nut are sleeved on the indication rod in sequence from left to right, and the spring is limited between the boss on the left side of the indication rod and the spring pressing nut; the outer side of the spring is provided with a spring sleeve; a steel ball is arranged in the spring sleeve at the left side of the indication rod; the steel ball is attached to the left end face of the indication rod; the valve plate is provided with a first limit groove and a second limit groove respectively; the second limiting groove depth is different from the first limiting groove depth.

Preferably, the fluid through holes are provided with main valve seats in the side facing the valve plate cavity.

Preferably, a second corrugated spring is arranged between the end face of one end, far away from the valve plate cavity, of the main valve seat and the valve body.

Preferably, a second sealing ring is arranged between the first throttle mouth and the first throttle hole, and between the second throttle mouth and the second throttle hole.

Optionally, the push-pull device comprises a valve stem; the bottom end of the valve rod can movably penetrate through the valve cover and is fixedly connected with the valve plate; the valve rod is connected with a nut through threads; the nut is sleeved with a bearing pressing cap connected with the valve cover; and thrust ball bearings are arranged between the bottom end of the nut and the top of the valve cover and between the bearing pressing cap and the nut.

Preferably, a hand wheel is arranged on the nut.

Preferably, the bearing press cap is connected with a positioning screw rod through threads; the bottom end of the positioning screw rod can penetrate through the bearing press cap to be in contact with the side wall of the screw nut.

The utility model has at least the following beneficial effects:

the valve comprises a valve body, a through fluid through hole and a valve plate cavity are formed in the valve body, a through second throttle nozzle mounting hole and a first throttle nozzle mounting hole are formed in the upper side and the lower side of the fluid through hole respectively, the fluid through hole, the second throttle nozzle mounting hole and the first throttle nozzle mounting hole are all crossed and communicated with the valve plate cavity in the valve body, a valve plate is arranged in the valve plate cavity, the valve plate blocks the fluid through hole, a first throttle hole and a second throttle hole are formed in the valve plate, a first throttle nozzle is arranged in the first throttle hole, a second throttle nozzle is arranged in the second throttle hole, a push-pull device is arranged on a valve cover, the valve plate is enabled to move up and down through the push-pull device, the first throttle hole or the second throttle hole is communicated to the fluid through hole, meanwhile, the first throttle nozzle and the second throttle nozzle are moved to the first throttle nozzle mounting hole and the second throttle nozzle mounting hole, the throttle nozzle is replaced under the condition that production is not stopped, meanwhile, the first throttle hole and the second throttle hole are deviated from the fluid through hole, and the fluid through hole is blocked under the condition that the production is kept, and the use is wider.

Therefore, the flashboard type throttle valve has the advantages of being simple to operate, capable of replacing the throttle mouth under pressure, not affecting normal production, improving productivity and the like.

Drawings

In order to more clearly illustrate the prior art and the present utility model, the drawings used in the description of the prior art and the embodiments of the present utility model will be briefly described. It will be apparent to those skilled in the art that the drawings in the following description are merely exemplary and that other drawings may be derived from the drawings provided without the inventive effort to those skilled in the art.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, for example, modifications, variations in proportions, or otherwise, used in the practice of the utility model, which are particularly adapted to specific environments without departing from the spirit and scope of the utility model.

FIG. 1 is a front cross-sectional view of a gate-type throttle valve of the present utility model;

FIG. 2 is a front cross-sectional view of a first use state of a gate-type throttle valve of the present utility model;

FIG. 3 is a front cross-sectional view of a second use condition of a gate-type throttle valve of the present utility model;

FIG. 4 is a front cross-sectional view of a third use state of a gate-type throttle valve of the present utility model;

reference numerals illustrate:

1. a valve stem cap; 2. a nut; 3. a hand wheel; 4. a fluid through hole; 5. a valve plate cavity; 6. a valve cover; 7. a gasket; 8. a valve body; 9. a first seal ring; 10. a first corrugated spring; 11. a first gear nut; 12. a sealing gasket; 13. an auxiliary valve seat; 14. a main valve seat; 15. a second corrugated spring; 16. a blind flange; 17. a second seal ring; 18. a first throttle nozzle; 19. a second gear nut; 20. an indication rod; 21. a third seal ring; 22. a spring; 23. pressing a spring nut; 24. a spring sleeve; 25. a steel ball; 26. a second choke; 27. a valve plate; 28. a valve stem; 29. a fourth seal ring; 30. positioning nails; 31. bearing cap; 32. a thrust ball bearing; 33. a nipple; 34. positioning a screw rod; 35. a first choke mounting hole; 36. a second throttle mounting hole; 37. a first limit groove; 38. and the second limit groove.

Detailed Description

The utility model will be further described in detail by means of specific embodiments with reference to the accompanying drawings.

In the description of the present utility model: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this disclosure are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on the degree of importance or order, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

The terms such as "upper", "lower", "left", "right", "middle", etc. are generally used herein for convenience of visual understanding with reference to the drawings and are not to be construed as absolute limitations on the positional relationship of the actual product. Such changes in the relative positional relationship without departing from the technical idea of the present utility model are also considered as the scope of the present utility model.

As shown in figure 1, the gate-type throttle valve of the utility model is provided with a valve body 8, the valve body 8 is provided with a through fluid through hole 4 along the horizontal direction, a through valve plate cavity 5 is provided along the vertical direction, the upper side and the lower side of the fluid through hole 4 are respectively provided with a through second throttle nozzle mounting hole 36 and a first throttle nozzle mounting hole 35 along the horizontal direction, the fluid through hole 4, the second throttle nozzle mounting hole 36 and the first throttle nozzle mounting hole 35 are respectively crossed and communicated with the valve plate cavity 5 in the valve body 8, the second throttle nozzle mounting hole 36 and the first throttle nozzle mounting hole 35 are respectively provided with an auxiliary valve seat 13 in one side of the valve plate cavity 5, the other side is in threaded connection with a first baffle nut 11, the top of the valve body 8 is provided with a valve cover 6, the bottom is provided with a blind flange 16 for sealing, gaskets 7 are respectively arranged between the valve cover 6 and the valve body 8 and the blind flange 16, the valve cover 6 and the blind flange 16 seal the valve plate cavity 5, the valve plate 27 is movably arranged in the valve plate cavity 5, the valve plate 27 blocks the fluid through hole 4, the valve plate 27 is respectively provided with a first throttling hole and a second throttling hole which are communicated in the horizontal direction, the first throttling hole is internally provided with a first throttling mouth 18, the second throttling hole is internally provided with a second throttling mouth 26, the first throttling mouth 18 and the second throttling mouth 26 can adjust the fluid flow rate, the valve cover 6 is provided with a push-pull device for pushing the valve plate 27 to move up and down so that the fluid through hole 4 is communicated through the first throttling hole or the second throttling hole, when the throttling mouth is replaced, the fluid through hole 4 to be replaced is removed, the good throttling mouth moves to the fluid channel 4, thus, the production operation is not interrupted, the damaged throttling mouth is replaced without shutdown, the production is not delayed, and the production efficiency is improved.

Preferably, in order to make the auxiliary valve seat 13 and the valve plate 27 adhere, a first bellow spring 10 is provided between the end surface of the auxiliary valve seat 13, which is far away from the valve plate cavity 5, and the valve body 8.

Preferably, for sealing, a first sealing ring 9 is arranged between the side wall of the auxiliary valve seat 13 and the valve body 8, and a sealing gasket 12 is arranged between the first baffle nut 11 and the valve body 8.

Preferably, in order to clearly show the state of the throttle valve of the utility model, namely whether a first throttle valve or a second throttle valve is currently arranged or in a cut-off state, an indication rod 20 is further arranged, the first baffle nut 11 on the right side of the second throttle valve mounting hole 36 is arranged into a second baffle nut 19, the left end of the indication rod 20 can movably pass through the second baffle nut 19 and extend into the auxiliary valve seat 13, a spring 22 and a spring pressing nut 23 are sleeved in sequence from left to right on the part of the indication rod 20 extending into the auxiliary valve seat 13, the spring pressing nut 23 is in threaded connection with the indication rod 20, a third sealing ring 21 is arranged between the spring pressing nut 23 and the indication rod 20 for sealing, a boss is arranged on the left side of the indication rod 20, the spring 22 is limited between the boss on the left side of the indication rod 20 and the spring pressing nut 23, a spring sleeve 24 is arranged on the outer side of the spring 22, a steel ball 25 is arranged in the spring sleeve 24 on the left side of the indication rod 20, the steel ball 25 is attached to the left end face of the indication rod 20, a first limit groove 37 and a second limit groove 38 are respectively arranged on the valve plate 27, the depth of the second limit groove 38 is different from the first limit groove 37, and the depth of the first limit groove 37 is different, and thus the first throttle valve can be pushed to move out of the limit groove 38, and the first throttle valve can move to the same distance between the first throttle valve and the limit groove and the throttle valve and the state.

Preferably, the fluid through holes 4 are each provided with a main valve seat 14 in the side facing the valve plate chamber 5.

Preferably, in order to make the main valve seat 14 and the valve plate 27 fit, a second bellow spring 15 is provided between the end surface of the main valve seat 14, which is far away from the valve plate cavity 5, and the valve body 8.

Preferably, for sealing, a second sealing ring 17 is arranged between the first throttle 18 and the first throttle hole and between the second throttle 26 and the second throttle hole.

Optionally, an embodiment of the present utility model provides a preferred structure of the push-pull device, specifically: the push-pull device comprises a valve rod 28, the bottom end of the valve rod 28 movably penetrates through a valve cover 6 to be fixedly connected with a valve plate 27, a fourth sealing ring 29 is arranged between the valve rod 28 and the valve cover 6 for sealing, a nut 2 is connected to the valve rod 28 in a threaded mode, a bearing cap 31 is sleeved outside the nut 2, the bearing cap 31 is fixedly connected with the valve cover 6 through a positioning nail 30, thrust ball bearings 32 are arranged at the bottom end of the nut 2, the top of the valve cover 6 and between the bearing cap 31 and the nut 2, lubricating oil is filled into the thrust ball bearings 32, a nipple 33 is further arranged on the bearing cap 31, and therefore, the nut 2 is selected, the nut 2 is limited by the valve cover 6 and the bearing cap 31, and under the action of threads, the valve rod 28 moves up and down to drive the valve plate 27 to move up and down.

Preferably, for the convenience of rotating the nut 2, a hand wheel 3 is arranged on the nut 2, a valve rod cap 1 is sleeved on a valve rod 28 above the hand wheel 3 for attractive appearance, and the bottom of the valve rod cap (1) can be connected to the top surface of the hand wheel 3.

Preferably, in order to prevent the nut 2 from automatically rotating due to vibration during production, the bearing pressing cap 31 is in threaded connection with the positioning screw rod 34, the bottom end of the positioning screw rod 34 can penetrate through the bearing pressing cap 31 to be in contact with the side wall of the nut 2, and after the position is adjusted, the positioning screw rod 34 is screwed down, and the bottom end of the positioning screw rod 34 is pressed on the side wall of the nut 2 so as to prevent the nut 2 from rotating.

When in use, the utility model is characterized in that:

in the first state, the first throttle valve is used for replacing the second throttle valve, as shown in fig. 2, the hand wheel is rotated to enable the first throttle hole of the valve plate to be in butt joint with the fluid through hole, the fluid through hole is communicated, and the first throttle nozzle is used for adjusting the flow rate of fluid on the fluid through hole; at the moment, the second throttle valve is positioned on the second throttle nozzle mounting hole, the steel ball is positioned in the second throttle hole, and the position of the indication rod displays the state under the pushing of the steel ball; under the condition of not stopping production, taking down the first stop nut and the second stop nut on the second throttle nozzle mounting hole under pressure, and taking out the auxiliary valve seat, the indicating rod and the like; and then pushing the second throttle valve from the right side of the second throttle nozzle mounting hole to the left side, and taking out the second throttle valve from the left side of the second throttle nozzle mounting hole for replacement.

The second state, use the second throttle valve, change the first throttle valve, as shown in figure 3, rotate the hand wheel, make the second orifice of the valve plate and fluid through hole butt joint, the fluid through hole is conducted, the second throttling mouth carries on the flow rate regulation to the fluid on the fluid through hole; at the moment, the first throttle valve is positioned on the first throttle nozzle mounting hole, the steel ball is positioned on the first limit groove, and the position of the indication rod displays the state under the pushing of the steel ball; under the condition of not stopping production, taking down the first baffle nut on the first throttle nozzle mounting hole under pressure, and taking out the auxiliary valve seat; and then pushing the first throttle valve from the right side of the first throttle valve mounting hole to the left side, and taking out the first throttle valve from the left side of the first throttle valve mounting hole for replacement.

And in the third state, the fluid through hole is in a cut-off state, as shown in fig. 4, the hand wheel is rotated, so that the first throttling hole and the second throttling hole of the valve plate are deviated from the fluid through hole, the fluid through hole is blocked by the valve plate, and at the moment, the steel ball is arranged on the second limiting groove, and the position of the indication rod is displayed under the pushing of the steel ball.

The utility model has been described above with particularity and detail in connection with general description and specific embodiments. It should be understood that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present utility model; but these conventional modifications and further innovations may also fall within the scope of the claims of the present utility model as long as they do not depart from the technical spirit of the present utility model.

Claims

1. A gate-type throttle valve, characterized by comprising a valve body (8); the valve body (8) is provided with a through fluid through hole (4) along the horizontal direction and a through valve plate cavity (5) along the vertical direction; the upper side and the lower side of the fluid through hole (4) are respectively provided with a second throttle nozzle mounting hole (36) and a first throttle nozzle mounting hole (35) which are communicated in the horizontal direction; the fluid through hole (4), the second throttle nozzle mounting hole (36) and the first throttle nozzle mounting hole (35) are all crossed and communicated with the valve plate cavity (5) in the valve body (8); the second throttle nozzle mounting hole (36) and the first throttle nozzle mounting hole (35) are respectively provided with an auxiliary valve seat (13) towards one side of the valve plate cavity (5), and the other side of the valve plate cavity is in threaded connection with the first baffle nut (11); the top of the valve body (8) is provided with a valve cover (6), and the bottom of the valve body is provided with a blind flange (16); the valve cover (6) and the blind flange (16) seal the valve plate cavity (5), a valve plate (27) is movably arranged in the valve plate cavity (5), and the valve plate (27) blocks the fluid through hole (4); the valve plate (27) is respectively provided with a first throttling hole and a second throttling hole which are communicated in the horizontal direction; a first throttle (18) is arranged in the first throttle hole; a second throttle mouth (26) is arranged in the second throttle hole; the valve cover (6) is provided with a push-pull device which is used for pushing the valve plate (27) to move up and down so that the fluid through hole (4) is communicated through the first throttling hole or the second throttling hole.

2. A gate-type throttle valve according to claim 1, characterized in that a first bellows spring (10) is provided between the end face of the auxiliary valve seat (13) remote from the valve plate chamber (5) and the valve body (8).

3. A gate-type throttle valve according to claim 2, characterized in that a first sealing ring (9) is arranged between the side wall of the auxiliary valve seat (13) and the valve body (8); a sealing gasket (12) is arranged between the first baffle nut (11) and the valve body (8).

4. A gate-type throttle valve according to claim 3, further comprising an indicator lever (20); the first baffle nut (11) on the right side of the second throttle nozzle mounting hole (36) is a second baffle nut (19); the left end of the indicating rod (20) can movably pass through the second baffle nut (19) and extend into the auxiliary valve seat (13); the spring (22) and the spring pressing nut (23) are sleeved on the indication rod (20) in sequence from left to right, and the spring (22) is limited between the boss on the left side of the indication rod (20) and the spring pressing nut (23); a spring sleeve (24) is arranged on the outer side of the spring (22); a steel ball (25) is arranged in the spring sleeve (24) at the left side of the indication rod (20); the steel ball (25) is attached to the left end face of the indication rod (20); a first limit groove (37) and a second limit groove (38) are respectively arranged on the valve plate (27); the depth of the second limit groove (38) is different from that of the first limit groove (37).

5. A gate-type throttle valve according to claim 1, characterized in that the fluid through-holes (4) are each provided with a main valve seat (14) in the side facing the valve plate chamber (5).

6. A gate-type throttle valve according to claim 5, characterized in that a second bellows spring (15) is provided between the end face of the main valve seat (14) remote from the valve plate chamber (5) and the valve body (8).

7. A gate-type throttle valve according to claim 1, characterized in that a second sealing ring (17) is arranged between the first throttle orifice (18) and the first throttle orifice and between the second throttle orifice (26) and the second throttle orifice.

8. A gate-type throttle valve according to any one of claims 1 to 7, characterized in that the push-pull means comprises a valve stem (28); the bottom end of the valve rod (28) can movably pass through the valve cover (6) to be fixedly connected with the valve plate (27); the valve rod (28) is connected with the nut (2) through threads; the nut (2) is sleeved with a bearing pressing cap (31) connected with the valve cover (6); thrust ball bearings (32) are arranged between the bottom end of the screw nut (2) and the top of the valve cover (6) and between the bearing pressing cap (31) and the screw nut (2).

9. A gate-type throttle valve according to claim 8, characterized in that the nut (2) is provided with a hand wheel (3).

10. A gate-type throttle valve according to claim 8, characterized in that the bearing press cap (31) is screwed with a positioning screw (34); the bottom end of the positioning screw rod (34) can penetrate through the bearing press cap (31) to be in contact with the side wall of the screw nut (2).