CN108626425A - A kind of high temperature and pressure regulation gate valve - Google Patents
A kind of high temperature and pressure regulation gate valve Download PDFInfo
- Publication number
- CN108626425A CN108626425A CN201810679345.2A CN201810679345A CN108626425A CN 108626425 A CN108626425 A CN 108626425A CN 201810679345 A CN201810679345 A CN 201810679345A CN 108626425 A CN108626425 A CN 108626425A
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- high temperature
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- valve body
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000007363 ring formation reaction Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/20—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/04—Arrangements for preventing erosion, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0263—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor using particular material or covering means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/32—Means for additional adjustment of the rate of flow
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a kind of high temperature and pressure regulation gate valve, can use on high temperature and pressure, low flow resistance, the pipeline that fluid media (medium) increment is linear requirement；Valve base sealing component can be repaired in the case where not removed from pipeline in valve body, be replaced before its valve rear valve base seal assembly and valve；Valve body end socket and plate washer can effectively reduce valve internal and form vortex, reduce the pressure loss；The structure that valve rod is attached by hanger and valve plate, can solve the phenomenon that valve rod is increased by crosswise concaving song torque；Valve deck top bevel can effectively avoid sealing ring bottom and be damaged because of stress deformation；It can be solved because of the phenomenon that temperature damages electric operator under valve rod high temperature using the two-part stem structure of upper valve rod and lower valve rod；The flow through-hole of the valve plate of the gate valve of the present invention can require to be adjusted to meet duty requirements according to user to changes in flow rate.
Description
Technical field
The present invention relates to a kind of high temperature and pressure regulation gate valves for valve field.
Background technology
Common electronic single-seat adjusting valve operating principle is to input 4~20mA electric signals to electric operator, according to defeated
The signal entered is different, and valve flap opens different height, valve seat is made to change with the circulation area that flap surrounds, to make
Pipeline flow generates respective change to meet user demand.The structure there are the shortcomings that：One, non-refractory high pressure；Two, due to logical
It is S types runner or angle type flow passage structure with structure, such valve flow resistance is larger；Three, valve seat and valve deck concentricity degree require high, no
Then valve rod, which is stuck up, increases valve opening and closing torque；Four, the erosion of high pressure lower Disc is serious.General common flap type operating principle is to rely on
Medium active force and pretightning force push valve plate, and valve plate generates microdisplacement and is bonded with valve rear valve base in the horizontal direction to be reached sealing and want
Ask, the structure there are the shortcomings that：One, the valve rear valve base of valve and valve body are to be welded to connect, and such sealing surface once damages can not
On-line maintenance, it is even more impossible to replace valve seat, it is necessary to disassemble valve from pipeline and repair, or even must transport whole deck valve door
Valve plant's repair is returned, waste maintenance time significantly increases maintenance cost again；Two, cavity space is big in valve, forms vortex, increases
Valve flow resistance is added；Three, non-refractory high pressure erosion；Four, executing agency's heatproof is required high；Five, valve lumen sealing ring bottom
Portion is easily damaged；Six, pipeline rate-of flow cannot be changed as required.
Invention content
It, should the purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of high temperature and pressure regulation gate valve
Gate valve can need not remove valve from pipeline can repair or replace valve internal part, while the gate valve can also reduce
Valve internal vortex resists medium erosion, reduces valve flow resistance, increase sealing ring service life, reduce medium temperature to valve
The damage of executing agency, and demand that can be according to client to pipeline rate-of flow carries out accurately controlling adjusting.
Realizing a kind of technical solution of above-mentioned purpose is：A kind of high temperature and pressure regulation gate valve, including valve body, valve body end socket,
Valve base sealing component, valve rod assembly, valve deck and electric operator before valve plate, valve rear valve base seal assembly, valve；
The valve body end socket is welded on the bottom of the valve body；
The valve plate is plugged on valve body center, and the bottom of the valve plate offers flow trepanning, and the flow trepanning makes
The flow of valve is directly proportional to the stroke of the valve plate；
The valve rear valve base seal assembly includes locking nut and valve rear positioning pin after valve rear valve base, gasket seal, valve, institute
It states and is placed with the gasket seal between valve rear valve base and the valve body, locking nut passes through screw thread with the valve body after the valve
The valve rear valve base is fastened on the valve body by connection, and applying pressure to the gasket seal realizes the valve rear valve base and institute
The sealing between valve body is stated, the valve body is fixed locking nut after the valve equipped with the valve rear positioning pin；
Valve base sealing component includes locking nut and valve front positioning pin, the dish before valve seat, valve before disc spring, valve before the valve
Spring is arranged before the valve between valve seat and the valve body, and locking nut is connected through a screw thread with the valve body by institute before the valve
Valve seat is fastened on the valve body before stating valve, and compresses the disc spring, and locking nut is equipped with the valve prelocalization before the valve
Locking nut before the valve is fixed in pin；
The valve rod assembly includes hanger, lower valve rod and upper valve rod, and the hanger is connect with the lower valve rod, and passes through pin
Axis is connect with the valve plate；
The valve rod assembly includes hanger, lower valve rod, upper valve rod and connector sleeve, the bottom end of the hanger and the lower valve rod
Connection, and connect with the valve plate by axis pin；The valve deck setting is in the body top, the valve deck and the valve body
Sealing ring, pressure ring and four cyclizations are set gradually in fit clearance from inside to outside；The lower valve rod is upward through the valve deck, described
Upper valve rod is connect by the connector sleeve with the lower valve rod；
The electric operator is connect with the upper valve rod.
Further, the both sides of the flashboard are equipped with plate washer, and the upper ends of two pieces of plate washers is by they sup-port, two pieces
The lower end of the plate washer is bolted on the valve body.
Further, two pieces of tablets are arranged in the valve body end socket, the lower end of the plate washer is plugged on two pieces of institutes
It states in the gap of tablet.
Further, the surface spraying hard alloy of the valve plate.
Further, the contact surface of the valve deck and the sealing ring is inclined-plane.
Further, the upper valve rod is equipped with limit instruction block.
The high temperature and pressure regulation gate valve of the present invention, it is linear that can use in high temperature and pressure, low flow resistance, fluid media (medium) increment
Requirement pipeline on；Valve base sealing component can not removed in valve body from pipeline before its valve rear valve base seal assembly and valve
In the case of repair, replace；Valve body end socket and plate washer can effectively reduce valve internal and form vortex, reduce pressure damage
It loses；The structure that valve rod is attached by hanger and valve plate, can solve the phenomenon that valve rod is increased by crosswise concaving song torque；At the top of valve deck
Inclined-plane can effectively avoid sealing ring bottom and be damaged because of stress deformation；It can using the two-part stem structure of upper valve rod and lower valve rod
It solves because of the phenomenon that temperature damages electric operator under valve rod high temperature；The flow through-hole of the valve plate of the gate valve of the present invention
Changes in flow rate can be required to be adjusted to meet duty requirements according to user.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of high temperature and pressure regulation gate valve of the present invention；
Fig. 2 is a kind of structural schematic diagram of the valve body end socket of high temperature and pressure regulation gate valve of the present invention；
Fig. 3 is a kind of scheme of installation of the valve rear valve base of high temperature and pressure regulation gate valve of the present invention；
Fig. 4 be the present invention a kind of high temperature and pressure regulation gate valve valve before valve seat scheme of installation；
Fig. 5 is a kind of a kind of structural schematic diagram of valve plate of high temperature and pressure regulation gate valve of the present invention, and uses the flashboard
Valve pipeline in medium flow it is directly proportional to the stroke of flashboard；
Fig. 6 is lower valve rod, hanger, pivot pin and the valve plate scheme of installation of a kind of high temperature and pressure regulation gate valve of the present invention；
Fig. 7 is a kind of valve deck of high temperature and pressure regulation gate valve of the present invention and the scheme of installation of valve cover sealing structure.
Specific implementation mode
In order to preferably understand technical scheme of the present invention, below by specific embodiment and in conjunction with attached drawing into
Row explains in detail：
Referring to Fig. 1, a kind of high temperature and pressure regulation gate valve of the present invention, including after valve body 3, valve body end socket 1, valve plate 2, valve
Valve base sealing component, valve rod assembly, valve deck 16 and electric operator 32 before valve base sealing component, valve.
Valve body end socket 1 is welded on the bottom of valve body 3.Valve body end socket 1 so that valve body 3 convenient for casting, prevent valve body 3 it is lower in
The vortex that chamber is formed, causes flow resistance to increase.Referring to Fig. 2,1 integral cast of valve body end socket is molded, phase is equipped in valve body end socket 1
Symmetrical two panels tablet, there are reinforcing rib reinforcing in tablet both sides, to prevent tablet from being influenced to be deformed by media impingement or temperature.
To solve the problems, such as that valve is unable to on-line maintenance, high temperature and pressure regulation gate valve of the invention uses dismountable valve
Valve base sealing component before rear valve base seal assembly and valve, without by valve from pipeline remove can direct-on-line dismounting, repair, more
Change valve internal part.
Referring to Fig. 3, valve rear valve base seal assembly include valve rear valve base 4, the first gasket seal 7, the second gasket seal 8,
Locking nut 9-1 and valve rear positioning pin 11-1 after valve.The first gasket seal 7 and second is placed between valve rear valve base 4 and valve body 3
Gasket seal 8, locking nut 9-1 is connected through a screw thread with valve body 3 and valve rear valve base 4 is fastened on valve body 3 after valve.It is locked after valve
The front ends nut 9-1 facilitate installation and dismounting equipped with groove.Locking nut 9-1 is acted on valve rear valve base 4 after valve, valve rear valve base 4
It acts on again on the first gasket seal 7 and the second gasket seal 8, the first gasket seal 7 and the second gasket seal 8 act on valve again
On body 3, screws locking nut 9-1 after valve and achieve that sealing between valve rear valve base 4 and valve body 3.To prevent locking screw after valve
Female 9-1 valves leakages caused by use for a long time is there may be loosening with valve body 3, are equipped with valve rear positioning pin 11-1 on valve body 3
Fixed locking nut 9-1 after valve.Once valve rear valve base 4 needs repairing, the valve including valve deck 16 can be removed successively
Header part pulls out valve plate 2, removes valve rear positioning pin 11-1, screws out locking nut 9-1 after valve, takes out valve rear valve base 4 and carry out
Corresponding repair is replaced.
Referring to Fig. 4, fixed before locking nut 9-2, valve before valve seat 6, valve before valve base sealing component before valve, including disc spring 5, valve
Position pin 11-2.Disc spring 5 is placed in before valve between valve seat 6 and valve body 3, and valve seat before valve 6 is fastened on valve by locking nut 9-2 before screwing valve
On body 3, disc spring 5 is compressed.Valve plate 2 is put down, there are gaps between valve seat 6 and valve plate 2 before valve at this time, cannot be satisfied the initial of valve
Sealing, thus loosen valve before locking nut 9-2 until valve before 6 built-up welding of valve seat seal surface rear end it is concordant until.It is packed into valve on valve body 3
Front positioning pin 11-2 is to prevent locking nut 9-2 before valve from loosening.Valve seat 6 pushes valve plate to before in this way under the action of disc spring 5 valve
2,2 stress of valve plate generates microdisplacement and is pressed on valve rear valve base 4, reaches valve initial sealing requirement.Disc spring still has enough at this time
Decrement, to meet valve initial sealing thrust.And the dismounting of valve base sealing group and repair and valve rear valve base seal assembly phase before valve
Together.
Valve plate 2 is plugged in valve, in order to control in pipeline medium flow.Referring to Fig. 5, designed on valve plate 2 it is special
Flow trepanning meets the needs of different flow.In the present embodiment, the flow trepanning of valve plate 2 makes the flow of medium in pipeline
It is directly proportional to the stroke of flashboard 2.Also according to user's needs, can be designed as the stroke of the flow of medium and flashboard 2 in pipeline at
Relativeness is in percentage type, fast open form or Parabolic flow trepanning.2 surface of valve plate and circulating face coated with hard alloy increase
Add valve plate anti-medium erosion property.The both sides of flashboard 2 are equipped with plate washer 14, and two panels baffle 14 makes cavity space in valve reduce, effectively
The vortex for reducing fluid and being generated in the middle part of valve chamber.14 upper end of two panels baffle is supported by supporting rod 15, to prevent baffle plate 14
Because temperature and media impingement generation displacement or deformation, 14 lower end of two panels baffle are bolted on valve body 3.14 grafting of baffle
On the inside of tablet, the requirement to mismachining tolerance had not only been reduced, but also medium can be reduced and enter valve cavity from junction.
Valve rod assembly, hanger 12, lower valve rod 13, upper valve rod 30 and connector sleeve 25.Referring to Fig. 6, hanger 12 and lower valve rod
13 connections, while being connect with valve plate 2 further through axis pin 10, valve plate 2 is axially generated microdisplacement by medium active force along axis pin 10,
It is bonded valve rear valve base 4 and reaches seal request, while avoiding 13 straight accepting medium active force of lower valve rod to lead to flexural deformation, increase
Valve opening and closing torque.
Referring to Fig. 7, valve deck 16 is arranged at the top of valve body 3, in the fit clearance of valve deck 16 and valve body 3 from inside to outside successively
Sealing ring 17, pressure ring 18 and four cyclizations 19 are set, to prevent 17 bottom of sealing ring from being damaged because of stress deformation, valve deck 16 and sealing
The contact surface of circle 17 is inclined-plane.Lower valve rod 13 is upward through valve deck 16, and upper valve rod 30 is connect by connector sleeve 25 with lower valve rod 13.
Electric operator 32 is connect with upper valve rod 30.The electricity of valve can be protected under worst hot case using the stem structure of two sections
Dynamic executing agency 32.Valve rod rotates and is convenient for mechanical position limitation in order to prevent, and limit instruction block 27 is equipped on upper valve rod 30, can
It effectively prevent valve rod to be damaged because of rotation, while realizing the mechanical position limitation of valve switch position.
The assemble flow of the high temperature and pressure regulation gate valve of the present invention is as follows.
1. valve body end socket 1 is welded on valve body 3.
2. the first gasket seal 7 and the second gasket seal 8 are placed on valve body 3.Valve rear valve base 4 is pressed in the first gasket
On piece 7 and the second gasket seal 8, pass through locking nut 9-1 lock valves rear valve base 4 after valve.
3. disc spring 5 is placed in valve body.Valve seat before valve 6 is pressed in disc spring, before locking nut 9-2 lock valves before valve
Valve seat 6.
4. lower valve rod 13 is connect with hanger 12 and is connect with valve plate 2 by axis pin 10, it is put into valve body 3.
5. locking nut 9-2 before rotary valve so that valve seat 5 compresses valve plate 2 before valve.
6. be packed into valve rear positioning pin 11-1 and valve front positioning pin 11-2, locking screw before locking nut 9-1 and valve is prevented after valve
Female 9-2 is relaxed because of the vibration that media flow generates.
7. being packed into baffle 14, and it is fixed on valve body by support column 15 and bolt.
8. valve deck 16, sealing ring 17, pressure ring 18 and four cyclizations 19 are put into valve body 3 successively.
9. lower supporting plate 20 is bolted on valve body 3.Valve deck 16 is tensed by bolt and is fixed on lower branch
On fagging 20.
10. successively by filler, spacer ring 21, filler pressing sleeve 22, top disc spring 23 and hold-down grid 24 on valve deck 16.
11. by support shaft 28, guiding axis 29, on lower supporting plate 20.
12. connector sleeve 25 is threaded onto on lower valve rod 13, upper valve rod 30 and cap 27 are connected on connector sleeve 25 successively.
13. clamping plate 26 is connect with upper valve rod, guiding axis 29.
14. upper backup pad 31 is connect with support shaft 28, guiding axis 29 and assembles electric operator 32.
The high temperature and pressure regulation gate valve of the present invention, valve flowing channel are single flow runner, and the flow passage structure is to medium motion
Resistance is minimum, and the baffle medium of valve lumen setting forms to be vortexed in valve lumen reduces valve flow resistance.It is electronic by giving
Executing agency 32 inputs the electric signal of 4~20mA, and electric operator 32 output torque band ovable valve stem rises or falls, valve rod
Lifting drives valve plate 2 to move up and down again.Due to being provided with runner hole on valve plate 2, penetrating area that runner hole is surrounded with valve seat can be with
The lifting of valve plate changes and changes, and carrying out control valve rate-of flow with this meets user demand.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (6)
1. valve seat is close before a kind of high temperature and pressure regulation gate valve, including valve body, valve body end socket, valve plate, valve rear valve base seal assembly, valve
Sealing assembly, valve rod assembly, valve deck and electric operator, it is characterised in that：
The valve body end socket is welded on the bottom of the valve body；
The valve plate is plugged on the valve body center, and the bottom of the valve plate offers flow trepanning, and the flow trepanning makes
The flow of valve is directly proportional to the stroke of the valve plate；
The valve rear valve base seal assembly includes locking nut and valve rear positioning pin after valve rear valve base, gasket seal, valve, the valve
The gasket seal is placed between rear valve base and the valve body, locking nut is connected through a screw thread with the valve body after the valve
The valve rear valve base is fastened on the valve body, applying pressure to the gasket seal realizes the valve rear valve base and the valve
Sealing between body, the valve body are fixed locking nut after the valve equipped with the valve rear positioning pin；
Valve base sealing component includes that locking nut and valve front positioning pin, the disc spring are set before valve seat, valve before disc spring, valve before the valve
It sets before the valve between valve seat and the valve body, locking nut is connected through a screw thread with the valve body by the valve before the valve
Preceding valve seat is fastened on the valve body, and compresses the disc spring, and locking nut is equipped with the valve front positioning pin pair before the valve
Locking nut is fixed before the valve；
The valve rod assembly includes hanger, lower valve rod, upper valve rod and connector sleeve, and the bottom end of the hanger and the lower valve rod connects
It connects, and is connect with the valve plate by axis pin；The valve deck is arranged in the body top, and the valve deck is matched with the valve body
It closes in gap and sets gradually sealing ring, pressure ring and four cyclizations from inside to outside；The lower valve rod is upward through the valve deck, it is described on
Valve rod is connect by the connector sleeve with the lower valve rod；
The electric operator is connect with the upper valve rod.
2. a kind of high temperature and pressure regulation gate valve according to claim 1, which is characterized in that the both sides of the flashboard are equipped with shelves
Plate, by they sup-port, the lower end of two pieces of plate washers is bolted on the valve body for the upper end of two pieces of plate washers
On.
3. a kind of high temperature and pressure regulation gate valve according to claim 2, which is characterized in that symmetrically set in the valve body end socket
There are two pieces of tablets, the lower end of the plate washer to be plugged in the gap of two pieces of tablets.
4. a kind of high temperature and pressure regulation gate valve according to claim 1, which is characterized in that the surface spraying of the valve plate is hard
Matter alloy.
5. a kind of high temperature and pressure regulation gate valve according to claim 1, which is characterized in that the valve deck and the sealing ring
Contact surface be inclined-plane.
6. a kind of high temperature and pressure regulation gate valve according to claim 1, which is characterized in that the upper valve rod is equipped with limit
Indicate block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679345.2A CN108626425B (en) | 2018-06-27 | 2018-06-27 | High-temperature high-pressure regulating gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679345.2A CN108626425B (en) | 2018-06-27 | 2018-06-27 | High-temperature high-pressure regulating gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108626425A true CN108626425A (en) | 2018-10-09 |
| CN108626425B CN108626425B (en) | 2024-01-16 |
Family
ID=63688475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810679345.2A Active CN108626425B (en) | 2018-06-27 | 2018-06-27 | High-temperature high-pressure regulating gate valve |
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| Country | Link |
|---|---|
| CN (1) | CN108626425B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220252161A1 (en) * | 2021-02-05 | 2022-08-11 | Saudi Arabian Oil Company | Valve stem retainer device, system, and method for installing the same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220252161A1 (en) * | 2021-02-05 | 2022-08-11 | Saudi Arabian Oil Company | Valve stem retainer device, system, and method for installing the same |
| US11649898B2 (en) * | 2021-02-05 | 2023-05-16 | Saudi Arabian Oil Company | Valve stem retainer device, system, and method for installing the same |
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| CN108626425B (en) | 2024-01-16 |
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