CN109210272A - High temperature and pressure double containment electric control valve - Google Patents
High temperature and pressure double containment electric control valve Download PDFInfo
- Publication number
- CN109210272A CN109210272A CN201811201550.4A CN201811201550A CN109210272A CN 109210272 A CN109210272 A CN 109210272A CN 201811201550 A CN201811201550 A CN 201811201550A CN 109210272 A CN109210272 A CN 109210272A
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- China
- Prior art keywords
- valve
- valve seat
- seat
- cage
- high temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- 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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
A kind of high temperature and pressure double containment electric control valve, including valve body, gasket, cage valve seat, double-sealing face flap, gasket, bolt, nut, valve deck, Packing seat, filler spacer, gland, gasket, electric device, folder 304 soft graphites, valve rod, sealing ring, self-tightening flexible graphite mat, positioning pin, refractory metal O-ring；Horizontal direction is equipped with inlet and outlet on valve body；It is equipped with arc interlayer between inlet and outlet, aperture is equipped on arc interlayer, for installing valve seat, spool, valve seat and spool close fit are installed, the valve seat is cage valve seat, and spool is double-sealing face flap on valve seat；The structure of cage valve seat is that two tubular cage valve seats are fixed up and down, the diameter of the tubular cage valve seat on top is greater than the diameter of lower barrel cage valve seat, the cylindrical surface of the rod-shaped flap that spool is fixed for upper boom of the double-sealing face flap, that is, tubular cage valve seat of close fit two equipped with step and lower beam, upper boom and lower beam is sealing surface.
Description
Technical field
The present invention relates to high-temperature high-pressure regulating valve, especially high temperature and pressure double containment electric control valve, be widely used in petroleum,
The industries such as chemical industry, electric power, metallurgy, pressure can reach the jet chimney of 30.0MPa or more.
Background technique
In the industrial departments industry pipe network upper tube path control system such as China's oil, chemical industry, electric power, metallurgy, high pressure valve is especially
It is for ending medium for high steam medium, is a kind of special valve of cutting connection steam on pipe network；Existing tradition produces
The shortcoming of product: not high pressure resistant, in high temperature and high pressure steam pipeline, the water particle in steam can be given under the drive of high velocity vapor
Valve brings huge impact failure.The moment especially closed in valve opening, flow velocity instantaneously increases, caused by sealing surface
Water slug is very big, washes away very seriously, while fluid resistance is big when existing valve opening and closing, and sealing surface washes away seriously, for a long time
It is washed badly broken using rear sealing surface, service life is short, and when pressure, when the temperature is excessively high, be easy to cause valve leakage out of steam system.
In general, traditional electric control valve easily leaks, sealing surface intolerant to abrasion and it is not corrosion-resistant.Service life is short.
Summary of the invention
Object of the present invention is to propose a kind of Novel high-temperature high-pressure double containment electric control valve, effectively solve high velocity vapor
Huge impact failure can be brought to valve under driving, it can be high pressure resistant.Inconvenient for operation, the high problem of maintenance cost is solved,
Carry out efficient electric automatic control.For in the steam pipeline system of automatic control system, and have easy to operate and sealing can
The effect leaned on.It is easy to be designed the service life of growth, switch and flow control longevity of service in structure, can guarantee close
Envelope.
The technical scheme is that a kind of high temperature and pressure double containment electric control valve, including valve body, gasket, cage
Valve seat, double-sealing face flap, gasket, bolt, nut, valve deck, Packing seat, filler spacer, gland, gasket, electronic dress
It sets, press from both sides 304 soft graphites, valve rod, sealing ring, self-tightening flexible graphite mat, positioning pin, refractory metal O-ring；It is horizontal on valve body
Direction is equipped with inlet and outlet；It is equipped with arc interlayer between inlet and outlet, aperture is equipped on arc interlayer, for installing valve
, spool, valve seat and spool close fit are installed, the valve seat is cage valve seat, and spool is double-sealing face flap on valve seat；Cage
The structure of formula valve seat is that two tubular cage valve seats are fixed up and down, and the diameter of the tubular cage valve seat on top is greater than lower barrel cage
The diameter of formula valve seat, spool are upper boom of the double-sealing face flap, that is, tubular cage valve seat of close fit two equipped with step under
The cylindrical surface of the fixed rod-shaped flap of bar, upper boom and lower beam is sealing surface；The upper end of double-sealing face flap is fixed with valve rod, if
There are valve deck and bolt, nut, bolt, nut fix valve deck and valve body, and valve deck center is equipped with the airtight and watertight padding of package valve rod, on
From bottom to up it is respectively Packing seat, filler spacer, gland, gasket, is equipped with gland cover board and passes through upper end screw on filler
It is fixed on valve deck；Valve rod upper end is stretched out from the airtight and watertight padding of valve deck, and valve rod top is electric device, the output of electric device
End is a screw rod, and screw rod is coaxially connected with valve rod.
The output end of electric device is a screw rod, and the rotation angle of screw rod corresponds to the valve of valve rod upward or downward and opens
The control signal of electric device can be mapped, to be conducive to automatically control by degree with valve opening and pass valve.
Upper boom is all made of several parallel metallic packing rings with each sealing surface of lower beam, is enhancing between metallic packing ring
The combination of soft graphite combined sealing ring constitutes double sealing structure from seal structure.Flap uses double sealing structure, guarantees at one
There are also sealings to play sealing function after seal break-off.The design of dual airtight and watertight padding case, sealed reliable.
Flap and valve seat are welded and are selected hard material using built-up welding different hardness alloy technology；Using integrated valve electricity
Dynamic device control ground；Control function is more preferable.
The course of work is as shown below, and the output end by electric device is that a screw rod drives 4 valve rods, rotary valve
Core thus may be implemented the flow control opened in valve flow channel or close valve, to carry out to steam pipework
Control.
The utility model has the advantages that valve body of the present invention etc. integrally uses forging structure, using the aperture of coaxially connected mode control valve,
For in the steam pipeline system of automatic control system, cage valve effectively solves to bring to valve under the drive of high velocity vapor
Huge impact failure, can be high pressure resistant.Inconvenient for operation, the high problem of maintenance cost is solved, and is had easy to operate and close
Seal reliable effect.Switch and flow control longevity of service, and can guarantee sealing.Using solid forging, guarantee in high temperature height
Integral strength under operating condition guarantees the service life of regulating valve.Using metallic packing ring and enhancing soft graphite combined sealing ring group
It closes from seal structure, guarantees sealing at elevated pressures.Flap (spool) uses sealing structure, guarantees after a seal break-off also
There is sealing to play sealing function, guarantees the sealing under high temperature and high pressure condition.The design of dual airtight and watertight padding case, sealed reliable.
Flap and seal receptacle use built-up welding different hardness alloy technology, and the analysis of guarantee lock is wear-resistant and corrosion-resistant with seal receptacle, guarantee whole
The service life of a valve.Using integrated valve electric device and control system, control system it is small in size, light-weight, make
With it is easy to maintain the features such as.Remote control, collection control and automatic control can be carried out valve, guarantees the accuracy adjusted.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the structural schematic diagram at the position A in Fig. 1.
Specific embodiment
As shown, high temperature and pressure double containment electric control valve, including 1, valve body, 2, gasket, 3, cage valve seat, 4, double
Sealing surface flap, 5, gasket, 6, bolt, 7, nut, 8, valve deck, 9, Packing seat, 10, filler spacer, 11, gland, 12,
Bolt, 13, nut, 14, gasket, 15, electric device, 16, folder 304 soft graphites, 17, valve rod, 18, sealing ring, 19, self-tightening it is soft
Property graphite pads, 20, positioning pin, 21, refractory metal O-ring.
According to diagram, in high temperature and pressure double containment electric control valve, valve body is equipped with inlet and outlet, between inlet and outlet
Equipped with arc interlayer, it is equipped with aperture on arc interlayer, gasket is installed, gasket is for installing valve seat, spool expansion on hole
Body uses forging structure, guarantees whole intensity；The central part of valve body is valve seat (cage valve seat) spool, the upper plane of valve body
By the lower plane installation of the valve deck of bolt, nut and tubular, the installation place of described two planes is equipped with sealing ring and self-tightening is soft
Property graphite pads；The structure of cage valve seat is: cage valve seat is cylinder-like structure, and cylindrical wall is equipped with uniform several parallel seams
Gap, gap are parallel to the cross section of cylinder, and i.e. Open valve when double-sealing face flap leaves cage valve seat can control valve
Aperture controls flow, valve seat and spool close fit, and the valve seat is cage valve seat (especially descending tubular cage valve seat), valve
Core is double-sealing face flap；The structure of cage valve seat is that two tubular cage valve seats are fixed up and down, upper and lower two tubulars cage valve
Seat bearing is equipped on an inclined-plane, this shrinkage pool inclined-plane and upper boom and the rod-shaped flap of lower beam bearing and is also equipped with close fit
Inclined-plane, the position A is described this in Fig. 2, that is, Fig. 1.
The diameter of the tubular cage valve seat on top is greater than the diameter of lower barrel cage valve seat, and spool is double-sealing face flap
That is the upper boom equipped with step of two tubular cage valve seats of the close fit rod-shaped flap fixed with lower beam, the circle of upper boom and lower beam
Cylinder is sealing surface；The upper end of double-sealing face flap is fixed with valve rod, is equipped with valve deck and bolt, nut, the bolt, nut
Valve deck and valve body are fixed, valve deck center is equipped with the airtight and watertight padding of package valve rod, and airtight and watertight padding includes gasket, Packing seat, fills out
Material spacer, gland, gasket, 304 (stainless steel substrates) flexible graphite layers of folder are also used as the skeleton of sealant；Electric device is
The motors such as servo or stepping pass through the structure of the output screw rod of retarder, for controlling the position of valve rod and flap to control
The aperture of valve.It is stretched out in the airtight and watertight padding of valve rod upper end valve deck, valve rod top is electric device, and the output end of electric device is
A piece screw rod, screw rod are coaxially connected with valve rod.Valve rod lower end is connect with the connection of double-sealing face flap upper end using pin.
Using integrated valve electric device, the output end of electric device is a screw rod, the rotation angle of screw rod
The control signal of electric device can be mapped by the valve opening of corresponding valve rod upward or downward with valve opening and pass valve, from
And be conducive to automatically control.Upper boom is all made of several parallel metallic packing rings, metal with each sealing surface on the side wall of lower beam
It is the combination of enhancing soft graphite combined sealing ring between sealing ring from seal structure, constitutes double sealing structure.Flap uses double density
Seal structure guarantees that there are also sealings to play sealing function after a seal break-off.The design of dual airtight and watertight padding case, sealing can
It leans on.
The foregoing is merely one two kinds of embodiments of the invention, are not intended to limit the invention, all of the invention
Made any modifications, equivalent replacements, and improvements etc. within spirit and principle, to be included within protection scope of the present invention.
Claims (10)
1. a kind of high temperature and pressure double containment electric control valve, characterized in that including valve body, gasket, cage valve seat, double-sealing face
The flexible stone of flap, gasket, bolt, nut, valve deck, Packing seat, filler spacer, gland, gasket, electric device, folder 304
Ink, valve rod, sealing ring, self-tightening flexible graphite mat, positioning pin, refractory metal O-ring；On valve body horizontal direction be equipped with import and
Outlet；It is equipped with arc interlayer between inlet and outlet, aperture is equipped on arc interlayer and is installed on valve seat for installing valve seat
Spool, valve seat and spool close fit, the valve seat are cage valve seat, and spool is double-sealing face flap；The structure of cage valve seat
It is that two tubular cage valve seats are fixed up and down, the diameter of the tubular cage valve seat on top is greater than the straight of lower barrel cage valve seat
Diameter, spool are the bar that upper boom of the double-sealing face flap, that is, tubular cage valve seat of close fit two equipped with step and lower beam are fixed
The cylindrical surface of shape flap, upper boom and lower beam is sealing surface；The upper end of double-sealing face flap is fixed with valve rod, is equipped with valve deck and spiral shell
Bolt, nut, bolt, nut fix valve deck and valve body, valve deck center be equipped with package valve rod airtight and watertight padding, on divide from bottom to up
Not Wei Packing seat, filler spacer, gland, gasket, valve deck is fixed on by upper end screw on filler equipped with gland cover board
On；Valve rod upper end is stretched out from the airtight and watertight padding of valve deck, and valve rod top is electric device, and the output end of electric device is a spiral shell
Spinner handle, screw rod are coaxially connected with valve rod.
2. in high temperature and pressure double containment electric control valve according to claim 1, characterized in that the output end of electric device
It is a screw rod, the rotation angle of screw rod corresponds to the valve opening of valve rod upward or downward.
3. in high temperature and pressure double containment electric control valve according to claim 1, characterized in that each of upper boom and lower beam
Sealing surface is all made of several parallel metallic packing rings, combines certainly between metallic packing ring for enhancing soft graphite combined sealing ring
Seal structure constitutes double sealing structure.
4. in high temperature and pressure double containment electric control valve according to claim 1, characterized in that the upper plane of valve body passes through
The lower plane of the valve deck of bolt, nut and tubular is installed, and the installation place of described two planes is equipped with sealing ring and self-tightening flexibility stone
Ink pad.
5. in high temperature and pressure double containment electric control valve according to claim 1, characterized in that the structure of cage valve seat
Be: cage valve seat is cylinder-like structure, and cylindrical wall is equipped with uniform several gaps, and slot plane is in the cross section of cylinder.
6. in high temperature and pressure double containment electric control valve according to claim 1, characterized in that upper and lower two tubular cages
Valve seat bearing is equipped on an inclined-plane, this shrinkage pool inclined-plane and upper boom and the rod-shaped flap of lower beam bearing and is also equipped with close fit
Inclined-plane.
7. in high temperature and pressure double containment electric control valve according to claim 1, characterized in that valve seat, spool are whole
Using forging structure.
8. in high temperature and pressure double containment electric control valve according to claim 1, characterized in that the tubular cage valve on top
The diameter of seat is greater than the diameter of lower barrel cage valve seat, and spool is double-sealing face flap, that is, tubular cage valve of close fit two
The cylindrical surface of the upper boom equipped with step of the seat rod-shaped flap fixed with lower beam, upper boom and lower beam is sealing surface.
9. in high temperature and pressure double containment electric control valve according to claim 1, characterized in that valve deck center is equipped with package
The airtight and watertight padding of valve rod, airtight and watertight padding include gasket, Packing seat, filler spacer, gland, gasket, 304 stainless steel substrates of folder
Flexible graphite layer be also used as the skeleton of sealant.
10. in high temperature and pressure double containment electric control valve according to claim 1, characterized in that valve rod lower end and double density
The connection of cover flap upper end is connected using pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201550.4A CN109210272A (en) | 2018-10-16 | 2018-10-16 | High temperature and pressure double containment electric control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201550.4A CN109210272A (en) | 2018-10-16 | 2018-10-16 | High temperature and pressure double containment electric control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109210272A true CN109210272A (en) | 2019-01-15 |
Family
ID=64980502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811201550.4A Pending CN109210272A (en) | 2018-10-16 | 2018-10-16 | High temperature and pressure double containment electric control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109210272A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798369A (en) * | 2019-03-01 | 2019-05-24 | 浙江山能仪表有限公司 | A kind of Pneumatic single-seat regulating valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080302421A1 (en) * | 2002-12-09 | 2008-12-11 | Advanced Technology Materials, Inc. | Permeable gas assembly for gas delivery |
| CN104747738A (en) * | 2015-04-01 | 2015-07-01 | 浙江力诺流体控制科技股份有限公司 | Large-aperture high-temperature high-pressure sleeve adjusting valve |
| CN104896109A (en) * | 2015-05-29 | 2015-09-09 | 杭州华惠阀门有限公司 | Pressure reducing valve |
| CN105221758A (en) * | 2015-11-03 | 2016-01-06 | 天津百利展发集团有限公司 | A kind of double-valve-seat self sealing structure |
| CN106337967A (en) * | 2015-07-10 | 2017-01-18 | 阿自倍尔株式会社 | Regulating Valve |
| CN107191612A (en) * | 2017-05-15 | 2017-09-22 | 永嘉县信诚科技服务有限公司 | Steam converter valve |
-
2018
- 2018-10-16 CN CN201811201550.4A patent/CN109210272A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080302421A1 (en) * | 2002-12-09 | 2008-12-11 | Advanced Technology Materials, Inc. | Permeable gas assembly for gas delivery |
| CN104747738A (en) * | 2015-04-01 | 2015-07-01 | 浙江力诺流体控制科技股份有限公司 | Large-aperture high-temperature high-pressure sleeve adjusting valve |
| CN104896109A (en) * | 2015-05-29 | 2015-09-09 | 杭州华惠阀门有限公司 | Pressure reducing valve |
| CN106337967A (en) * | 2015-07-10 | 2017-01-18 | 阿自倍尔株式会社 | Regulating Valve |
| CN105221758A (en) * | 2015-11-03 | 2016-01-06 | 天津百利展发集团有限公司 | A kind of double-valve-seat self sealing structure |
| CN107191612A (en) * | 2017-05-15 | 2017-09-22 | 永嘉县信诚科技服务有限公司 | Steam converter valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798369A (en) * | 2019-03-01 | 2019-05-24 | 浙江山能仪表有限公司 | A kind of Pneumatic single-seat regulating valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |