CN220248982U

CN220248982U - High-pressure throttling cut-off emptying valve

Info

Publication number: CN220248982U
Application number: CN202321010526.9U
Authority: CN
Inventors: 袁中华; 袁鑫; 邓洪彬; 顾玮; 秦永爽
Original assignee: Yancheng Xiongwei Petrochemical General Machinery Equipment Co ltd
Current assignee: Yancheng Xiongwei Petrochemical General Machinery Equipment Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-12-26
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to a high-pressure throttling stop emptying valve, which comprises a valve body, wherein a feed pipe and a discharge pipe are arranged on the valve body, a valve seat is arranged between the feed pipe and the discharge pipe, a regulating valve cage is arranged on the valve seat, a plurality of groups of flow holes are uniformly formed in the side wall of the regulating valve cage, a valve plug is arranged on the top end of the regulating valve cage in a matched mode, a valve rod is arranged at the top of the valve plug, a sealing guide structure is arranged between the top of the valve rod and the valve body, an emptying pipe is arranged at the bottom end of the valve body in communication with the discharge pipe, a discharge pipe is arranged on the side wall of the emptying pipe, a sealing plug is arranged in the emptying pipe in a matched mode, and a regulating component is arranged at the bottom end of the sealing plug in a matched mode.

Description

High-pressure throttling cut-off emptying valve

Technical Field

The utility model relates to the technical field of valves, in particular to a high-pressure throttling cut-off emptying valve.

Background

With the high-speed development of national economy in China, the required oil gas is multiplied, more and more valves for controlling pipelines are used, and more oil fields are developed and built.

The pipeline of traditional well head adopts ordinary flat valve, can not carry out even regulation to the fluid flow that carries in oil pipe in the in-process that realizes opening and closure of oil pipe, the stability of closure and precision are relatively poor, the error is great, the throttle effect is relatively poor, in addition, because impurity such as silt in the exploitation oil gas is more and more, simultaneously corrosive substance content such as sulphide in the crude oil is also high, after the valve stops circulating, these corrosive crude oils will be stored in the valve inside, can not all empty the valve, cause the corruption such as the inside case of valve easily, cause the life of valve to shorten greatly, the valve that needs to be changed just less than 10 months, cause very big waste, and the influence of shutdown to production and need a large amount of manpower when changing.

Disclosure of Invention

The utility model aims to provide a high-pressure throttling cut-off emptying valve so as to solve the problems that in the prior art, a plate type cut-off valve is adopted in an oil conveying pipeline, the cut-off effect is poor, the stability is poor and residues are inconvenient to discharge when the valve is closed.

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

the utility model provides a high-pressure throttling cut-off emptying valve, includes the valve body, be provided with inlet pipe and discharging pipe on the valve body, be provided with the disk seat between inlet pipe and the discharging pipe, set up the governing valve cage on the disk seat, the multiunit flow hole has evenly been seted up on the lateral wall of governing valve cage, the top cooperation cover of governing valve cage is equipped with the valve plug, the top of valve plug is provided with the valve rod, be provided with sealed guide structure between the top of valve rod and the valve body, the bottom intercommunication discharging pipe of valve body is provided with the evacuation pipe, be provided with the discharging pipe on the lateral wall of evacuation pipe, evacuation intraductal cooperation discharging pipe is provided with the sealing plug, the bottom cooperation evacuation pipe of sealing plug is provided with adjusting part.

As a further scheme of the utility model: the bottom of evacuation pipe is provided with the shrouding, be equipped with sealed backing ring and locking bolt between shrouding and the evacuation pipe, realize the detachably sealed installation of evacuation pipe bottom through the cooperation of shrouding and locking bolt.

As still further aspects of the utility model: the adjusting component comprises an adjusting column which is arranged on the sealing plate in a threaded manner, a fixing plate is arranged at the top end of the adjusting column, the sealing plug is arranged on the fixing plate, and the valve plug is adjusted in the emptying pipe through the matching of the adjusting column, the fixing plate and the sealing plate.

As still further aspects of the utility model: the one end that the discharging pipe was connected to the evacuation pipe is provided with the sealing seat, the top cooperation sealing seat of sealing plug is provided with the sealing ball, strengthens the seal between sealing plug and the evacuation pipe.

As still further aspects of the utility model: the sealing guide structure comprises a sleeve integrally arranged at the top end of the valve body, a sealing section is arranged at the top end of the sleeve, a sealing assembly is arranged between the sleeve and the sealing section, a guide pressing plate is arranged at the top end of the sealing section, the valve rod sequentially penetrates through the sleeve, the sealing section and the guide pressing plate and is in threaded connection with the guide pressing plate, and sealing filler is arranged between the valve rod and the sealing section to realize sealing between the valve rod and the valve body.

As still further aspects of the utility model: the sealing assembly comprises a connecting flange arranged at the top end of the sleeve and the bottom end of the sealing section, and a sealing gasket and a fastening bolt piece are arranged between the two connecting flanges, so that detachable connection and sealing between the sleeve and the sealing end are realized.

As still further aspects of the utility model: sealing rings are arranged on two sides of the sealing gasket, sealing grooves are formed in the connecting flanges in a matched mode, and sealing performance between the sleeve and the sealing end is enhanced.

As still further aspects of the utility model: the top of seal section and the bottom of direction clamp plate all are provided with mounting flange, two all be provided with the fixing bolt spare between the mounting flange, realize sealing end and the detachable connection between the direction clamp plate.

Compared with the prior art, the utility model has the advantages that:

1. the utility model comprises a valve body, a feeding pipe and a discharging pipe which are matched with each other, wherein a valve seat is arranged between the feeding pipe and the discharging pipe, a regulating valve cage is arranged on the valve seat, a plurality of groups of flow holes are uniformly formed in the side wall of the regulating valve cage, a valve plug is arranged on the top end of the regulating valve cage in a matched manner, a valve rod is arranged at the top of the valve plug, a sealing guide structure is arranged between the top of the valve rod and the valve body, when the circulation of raw materials in an oil pipe is realized, the valve rod is screwed, the valve rod drives the valve plug to move upwards, so that the flow holes in the regulating valve cage are gradually exposed, the raw materials enter the regulating valve cage through the flow holes, and then enter the discharging pipe, so that the circulation of the materials in the valve body is realized, the area and the quantity of the flow holes are gradually increased along with the rising of the valve plug, so that the regulation of the flow quantity is realized.

2. The utility model comprises a valve body, a feeding pipe, a discharging pipe, a valve seat, a valve plug and the like which are matched with each other, meanwhile, the discharging pipe is communicated with the bottom end of the valve body, the discharging pipe is arranged on the side wall of the discharging pipe, the discharging pipe is matched with the inside of the discharging pipe, the sealing plug is arranged below the discharging pipe, the bottom end of the sealing plug is matched with the discharging pipe, an adjusting component is arranged on the bottom end of the discharging pipe in a threaded manner, the sealing plug is arranged on the top end of the adjusting column through a fixing plate, a sealing ball and a sealing seat are matched with the top end of the sealing plug and the inner wall of the discharging pipe, when the valve body is integrally closed, the valve plug and the adjusting valve cage are in a fully closed state, thus, throttling is realized between the feeding pipe and the discharging pipe, the adjusting column is screwed, the fixing plate can be driven to descend through the adjusting column, so that the sealing plug is lowered to the lower part of the discharging pipe, and accordingly, residues remained in the valve body can enter the discharging pipe and be discharged outwards through the discharging pipe, thus residues remained in the valve body can be discharged outwards, and the residues in the valve body can be prevented from affecting the service life of the valve seat and the like.

3. By adopting the cooperation of the emptying pipe, the discharge pipe, the adjusting column, the sealing plug and the like, when the discharge of residues in the valve body is realized, the operation such as disassembly of the discharge pipe is not needed, and after the discharge is finished, the adjusting column is screwed again, so that the sealing plug is positioned above the discharge pipe, and the operation is convenient.

4. In addition, the bottom end of the discharge pipe is provided with the adjusting column through the sealing plate, and meanwhile, the sealing plate is detachably connected with the emptying pipe through the locking bolt, so that the adjusting column, the sealing plug and the like can be conveniently detached and replaced on the emptying pipe.

5. The sealing guide structure comprises a sleeve, a sealing section and a guide pressing plate which are matched with each other, wherein a connecting flange, a fastening bolt piece and a sealing gasket which are matched with each other are arranged between the sleeve and the sealing section, so that sealing connection between the sleeve and the sealing section is realized, sealing rings and sealing grooves which are matched with each other are arranged between two sides of the sealing gasket and the corresponding connecting flange, sealing performance between the sleeve and the sealing section can be enhanced, sealing filler is arranged between the valve rod and the sealing section, sealing between the valve rod and the sealing section can be realized through the arrangement of the sealing filler, and the sealing performance between the valve body and the valve rod is good by adopting the structure, and the valve rod, the valve plug and the like can be conveniently detached and installed on the valve body.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high-pressure throttling cut-off vent valve of the present utility model;

FIG. 2 is a schematic diagram II of the overall structure of the high-pressure throttling cut-off vent valve of the utility model;

FIG. 3 is a cross-sectional view of the present utility model in an overall semi-shut-off condition;

FIG. 4 is a cross-sectional view of the present utility model in its overall normal flow state;

fig. 5 is a cross-sectional view of the present utility model in an empty state.

In the figure: 1. a valve body; 2. a feed pipe; 3. a discharge pipe; 4. a valve seat; 5. an adjusting valve cage; 6. a flow hole; 7. a valve plug; 8. a valve stem; 9. an evacuation tube; 10. a discharge pipe; 11. a sealing plug; 12. a sealing plate; 13. a seal grommet; 14. a locking bolt; 15. an adjusting column; 16. a fixing plate; 17. a sealing seat; 18. a sealing ball; 19. a sleeve; 20. a sealing section; 21. a guide pressing plate; 22. sealing filler; 23. a connecting flange; 24. a sealing gasket; 25. fastening a bolt member; 26. a seal ring; 27. sealing the groove; 28. a fixed flange; 29. and fixing the bolt piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1 to 5, in an embodiment of the present utility model:

the utility model provides a high-pressure throttling cut-off emptying valve, including valve body 1, be provided with inlet pipe 2 and discharging pipe 3 on the valve body 1, be provided with disk seat 4 between inlet pipe 2 and the discharging pipe 3, set up adjusting valve cage 5 on the disk seat 4, multiunit flow hole 6 have evenly been seted up on the lateral wall of adjusting valve cage 5, the top cooperation cover of adjusting valve cage 5 is equipped with valve plug 7, the top of valve plug 7 is provided with valve rod 8, be provided with sealed guide structure between the top of valve rod 8 and valve body 1, the bottom intercommunication discharging pipe 3 of valve body 1 is provided with evacuation pipe 9, be provided with blow off pipe 10 on the lateral wall of evacuation pipe 9, evacuation pipe 9 internal fit blow off pipe 10 is provided with sealing plug 11, the bottom cooperation evacuation pipe 9 of sealing plug 11 is provided with adjusting part.

In the embodiment of the utility model, the following steps are included: the bottom of evacuation pipe 9 is provided with shrouding 12, be equipped with seal gasket 13 and lock bolt 14 between shrouding 12 and the evacuation pipe 9, realize the detachable connection between shrouding 12 and the evacuation pipe 9 through lock bolt 14, then, screw adjusting column 15, the top of adjusting column 15 is provided with fixed plate 16 including the adjusting column 15 of screw mounting on shrouding 12, sealing plug 11 installs on fixed plate 16, so, can make adjusting column 15 carry sealing plug 11 detachable installation on the evacuation pipe 9, seal gasket 13's setting can strengthen the leakproofness between shrouding 12 and the evacuation pipe 9, when the evacuation of valve body 1 inside is realized, valve plug 7 whole cover is established on adjusting valve cage 5, make adjusting valve cage 5 closed, realize the isolation between inlet pipe 2 and the discharging pipe 3, then, screw adjusting column 15 is screwed, drive sealing plug 11 through adjusting column 15 and descend to the fixed plate 16 through fixed plate 16, make sealing plug 11 descend to the below of discharging pipe 10, thereby make between material pipe 3 and the discharging pipe 10 intercommunication, and then can make the interior of draining pipe 10 of draining the interior of valve body 1 when the draining pipe 10 is realized, and the drain 10 is in the draining of the interior of the valve body is in the case of the need of draining pipe 10, and the drain 10 is realized.

In the embodiment of the utility model, the following steps are included: the one end that discharging pipe 3 was connected to evacuation pipe 9 is provided with seal receptacle 17, and the top cooperation seal receptacle 17 of sealing plug 11 is provided with sealing ball 18, when realizing the sealing of evacuation pipe 9 for sealing plug 11 carries sealing ball 18 card into seal receptacle 17, can strengthen the leakproofness of evacuation pipe 9.

In the embodiment of the utility model, the following steps are included: the sealing guide structure comprises a sleeve 19 integrally arranged at the top end of the valve body 1, a sealing section 20 is arranged at the top end of the sleeve 19, a sealing assembly is arranged between the sleeve 19 and the sealing section 20, a guide pressing plate 21 is arranged at the top end of the sealing section 20, the valve rod 8 sequentially penetrates through the sleeve 19, the sealing section 20 and the guide pressing plate 21 and is in threaded connection with the guide pressing plate 21, a sealing filler 22 is arranged between the valve rod 8 and the sealing section 20, sealing between the valve rod 8 and the sealing section 20 can be achieved through the arrangement of the sealing filler 22, the sealing assembly comprises a connecting flange 23 arranged at the top end of the sleeve 19 and the bottom end of the sealing section 20, a sealing gasket 24 and a fastening bolt piece 25 are arranged between the two connecting flanges 23, detachable connection between the two connecting flanges 23 is achieved through the fastening bolt piece 25, so that the sleeve 19 and the sealing section 20 can be detachably connected, the valve plug 7 is convenient to install and detach on the valve body 1, in addition, the sealing gasket 24 is arranged between the two connecting flanges 23, sealing gaskets 24 can be achieved through the arrangement of the sealing gasket 24, sealing gaskets 23 can be achieved between the two connecting flanges 23, sealing gaskets can be matched with the sealing flanges 8 on the two connecting flanges, the sealing flanges 8 and the sealing plug 8 are good in sealing flange 23, the sealing flange 7 can be matched with the sealing flange 8, and the sealing flange 8 is good in sealing performance between the sealing flange and the sealing flange 7, and the sealing flange 8 is provided with the sealing flange 7, and the sealing assembly is convenient for the sealing assembly, and the sealing assembly is provided with the sealing gasket and the sealing assembly.

In the embodiment of the utility model, the following steps are included: the top end of the sealing section 20 and the bottom end of the guide pressing plate 21 are both provided with fixing flanges 28, fixing bolt pieces 29 are arranged between the two fixing flanges 28, and the two fixing flanges 28 are locked and fixed through the fixing bolt pieces 29, so that detachable connection between the guide pressing plate 21 and the sealing section 20 is realized, and the valve plug 7, the sealing filler 22 and the like are convenient to install, detach, overhaul and replace.

Example 2:

referring to fig. 1 to 5, the utility model relates to a high-pressure throttling stop emptying valve, which comprises a valve body 1, a feeding pipe 2 and a discharging pipe 3 which are matched with each other, wherein a valve seat 4 is arranged between the feeding pipe 2 and the discharging pipe 3, a regulating valve cage 5 is arranged on the valve seat 4, a plurality of groups of flow holes 6 are uniformly formed in the side wall of the regulating valve cage 5, a valve plug 7 is arranged on the top end of the regulating valve cage 5 in a matched manner, a valve rod 8 is arranged at the top of the valve plug 7, a sealing guide structure is arranged between the top of the valve rod 8 and the valve body 1, when the circulation of raw materials in an oil pipe is realized, the valve rod 8 is screwed, the valve rod 8 drives the valve plug 7 to move upwards, so that the flow holes 6 on the regulating valve cage 5 are gradually exposed, the raw materials enter the regulating valve cage 5 through the flow holes 6, and flow in the discharging pipe 3, the area and the quantity of the flow holes 6 are gradually increased along with the rising of the valve body 1, so that the regulation of the flow quantity of the flow holes is realized, and the regulation of the flow quantity is easy to control.

Example 3:

referring to fig. 1 to 5, on the basis of embodiment 2, the utility model includes the valve body 1, the feed pipe 2, the discharge pipe 3, the valve seat 4, the valve plug 7, etc. that cooperate, simultaneously, the utility model is provided with the discharge pipe 9 in the bottom intercommunication discharge pipe 3 of valve body 1, be provided with the drain pipe 10 on the lateral wall of discharge pipe 9, the interior cooperation discharge pipe 10 of discharge pipe 9 is provided with sealing plug 11, the bottom cooperation discharge pipe 9 of sealing plug 11 is provided with adjusting component, wherein, adjusting component includes the adjusting column 15 of screw thread installation in the bottom of discharge pipe 9, sealing plug 11 passes through fixed plate 16 to install on the top of adjusting column 15, and cooperate and be provided with sealing ball 18 and sealing seat 17 on the top of sealing plug 11 and the inner wall of discharge pipe 9, when valve body 1 is wholly sealed, be in the totally closed state between valve body 7 and the adjusting valve cage 5, in this way, realize the throttle between feed pipe 2 and the discharge pipe 3, screw down adjusting column 15, can drive fixed plate 16 through fixed plate 16 and drive 11 to descend, make 11 descend to the below of discharge pipe 10, thereby make 11 to the bottom of discharge pipe 10, thereby make the valve plug 10 and the valve plug 10 outside the inside the valve body 1 and the inside the valve body 1 is left in the sealing plug 1, and the inside the condition of the valve seat is left in the drain, and the inside the valve body is left in the valve body 1 is left to the sealing plug 1 to the inside the sealing plug is left in the sealing plug 1, and the inside the valve seat is left in the sealing plug 1, and the inside is left in the sealing plug, and the inside the valve body is left in the inside of the valve body is left inside of the valve.

Example 4:

referring to fig. 1 to 5, on the basis of embodiment 3, the utility model is provided with a sealing guide structure between the top of valve rod 8 and valve body 1, wherein the sealing guide structure comprises a sleeve 19 integrally arranged at the top end of valve body 1, the top end of sleeve 19 is provided with a sealing section 20, a sealing component is arranged between sleeve 19 and sealing section 20, the top end of sealing section 20 is provided with a guide pressing plate 21, valve rod 8 sequentially passes through sleeve 19, sealing section 20 and guide pressing plate 21 and is in threaded connection with guide pressing plate 21, sealing filler 22 is arranged between valve rod 8 and sealing section 20, sealing between valve rod 8 and sealing section 20 can be realized through the arrangement of sealing filler 22, the sealing component comprises a connecting flange 23 arranged at the top end of sleeve 19 and the bottom end of sealing section 20, a sealing gasket 24 and a fastening bolt piece 25 are arranged between two connecting flanges 23, detachable connection between two connecting flanges 23 is realized through fastening bolt piece 25, thus the detachable connection between sleeve 19 and sealing section 20 is realized, the valve plug 7 and the like is convenient to mount and dismount on 1, in addition, the sealing gasket 23 is arranged between two connecting flanges 23, the sealing gasket 24 can be arranged between sealing gasket 24 and sealing gasket 20 is arranged between two connecting flanges 23 and sealing flange 20, and sealing gasket 20 is convenient to realize sealing gasket 27 is arranged between two connecting flanges and sealing flange 23 and sealing ring 20, and sealing gasket 20 is realized by the sealing gasket between two connecting flange 23 and sealing gasket 20, and sealing gasket 20 is realized by the sealing gasket between sealing gasket and sealing gasket 20 and sealing ring 8, and sealing gasket between sealing gasket is realized by the sealing gasket and sealing gasket between two connecting flange and sealing section 20 and sealing gasket 20 and sealing ring, the valve plug 7 and the like are detached and attached to the valve body 1.

By adopting the above-mentioned cooperation of evacuation pipe 9, discharge pipe 10, adjusting column 15 and sealing plug 11, when realizing the discharge of the interior residue of valve body 1, need not carry out operations such as dismantlement of discharge pipe 10, after the completion of discharging, screw again adjusting column 15 for sealing plug 11 be in discharge pipe 10 the top can, the simple operation.

In addition, the utility model realizes the installation of the adjusting column 15 at the bottom end of the discharge pipe 10 through the sealing plate 12, and meanwhile, the sealing plate 12 is detachably connected with the emptying pipe 9 through the locking bolt 14, so that the adjusting column 15, the sealing plug 11 and the like can be conveniently detached and replaced on the emptying pipe 9.

In all the above mentioned embodiments, the welding, the matching connection of the bolt and the nut, the bolt or the screw connection or other known connection modes can be selected according to the actual situation, and are not described in detail herein, the above description refers to the write-in fixed connection, and the welding is preferentially considered, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present utility model if the technical scheme and the inventive concept thereof are equivalent or changed within the scope of the present utility model.

Claims

1. The utility model provides a high-pressure throttling cut-off emptying valve, includes valve body (1), be provided with inlet pipe (2) and discharging pipe (3) on valve body (1), be provided with disk seat (4), its characterized in that between inlet pipe (2) and discharging pipe (3): set up regulation valve cage (5) on disk seat (4), multiunit circulation hole (6) have evenly been seted up on the lateral wall of regulation valve cage (5), the top cooperation cover of regulation valve cage (5) is equipped with valve plug (7), the top of valve plug (7) is provided with valve rod (8), be provided with sealed guide structure between the top of valve rod (8) and valve body (1), the bottom intercommunication discharging pipe (3) of valve body (1) are provided with evacuation pipe (9), be provided with exhaust pipe (10) on the lateral wall of evacuation pipe (9), evacuation pipe (9) internal fit exhaust pipe (10) are provided with sealing plug (11), the bottom cooperation evacuation pipe (9) of sealing plug (11) are provided with adjusting part.

2. The high pressure throttling cut-off vent valve of claim 1, wherein: the bottom of the emptying pipe (9) is provided with a sealing plate (12), and a sealing gasket ring (13) and a locking bolt (14) are arranged between the sealing plate (12) and the emptying pipe (9).

3. The high pressure throttling cut-off vent valve of claim 2, wherein: the adjusting assembly comprises an adjusting column (15) which is arranged on the sealing plate (12) in a threaded mode, a fixing plate (16) is arranged at the top end of the adjusting column (15), and the sealing plug (11) is arranged on the fixing plate (16).

4. A high pressure throttling cut-off blow valve as claimed in claim 3, wherein: one end of the emptying pipe (9) connected with the discharging pipe (3) is provided with a sealing seat (17), and the top end of the sealing plug (11) is provided with a sealing ball (18) in cooperation with the sealing seat (17).

5. The high pressure throttling cut-off vent valve of claim 1, wherein: the sealing guide structure comprises a sleeve (19) integrally arranged at the top end of the valve body (1), a sealing section (20) is arranged at the top end of the sleeve (19), a sealing assembly is arranged between the sleeve (19) and the sealing section (20), a guide pressing plate (21) is arranged at the top end of the sealing section (20), the valve rod (8) sequentially penetrates through the sleeve (19), the sealing section (20) and the guide pressing plate (21), and is in threaded connection with the guide pressing plate (21), and a sealing filler (22) is arranged between the valve rod (8) and the sealing section (20).

6. The high pressure throttling cut-off vent valve of claim 5, wherein: the sealing assembly comprises connecting flanges (23) arranged at the top end of the sleeve (19) and the bottom end of the sealing section (20), and a sealing gasket (24) and a fastening bolt piece (25) are arranged between the two connecting flanges (23).

7. The high pressure throttling cut-off vent valve of claim 6, wherein: sealing rings (26) are arranged on two sides of the sealing gasket (24), and sealing grooves (27) are formed in the two connecting flanges (23) in a matched mode.

8. The high pressure throttling cut-off vent valve of claim 5, wherein: the top end of the sealing section (20) and the bottom end of the guide pressing plate (21) are respectively provided with a fixing flange (28), and fixing bolt pieces (29) are respectively arranged between the two fixing flanges (28).