CN108167449A - A kind of high-temperature sealing valve - Google Patents
A kind of high-temperature sealing valve Download PDFInfo
- Publication number
- CN108167449A CN108167449A CN201711475960.3A CN201711475960A CN108167449A CN 108167449 A CN108167449 A CN 108167449A CN 201711475960 A CN201711475960 A CN 201711475960A CN 108167449 A CN108167449 A CN 108167449A
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- China
- Prior art keywords
- sealing
- valve
- spool
- spring
- seat
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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
- 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
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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
- 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
-
- 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
- F16K1/42—Valve seats
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention provides a kind of high-temperature sealing valve, including valve body, valve seat, spool, valve rod, elevating mechanism, the sealing position of the valve seat and/or spool uses elastomer structure, the elastomer structure of the valve seat and/or spool has the ability for reducing itself rigidity, increasing natural resiliency deformation, and the sealing facial contour of the sealing facial contour fitting valve seat of spool is caused when spool squeezes valve seat.The high-temperature sealing valve of the present invention substantially improves the leakproofness that high-temperature valve seals firmly, and the position-limit mechanism that compensation mechanism and sealing resultant force are made a concession by expanding with heat and contract with cold improves high-temperature sealing valve reliability of operation, the expand with heat and contract with cold clamping stagnation that may bring elevating mechanism, scuffing have been cleared up, has substantially increased the service life of valve.
Description
Technical field
The present invention relates to sealing valve technical fields, and in particular to a kind of high-temperature sealing valve.
Background technology
Temperature is higher than 300 DEG C of sealing valve, and leakproofness becomes the sealing that a problem, especially latus rectum are more than 800mm
Valve, sealing problem bigger.In the environment of temperature is more than 300 DEG C, the flexible sealing material of rubber like, which loses, uses force
Ground, it has to consider hard sealing, and sealed firmly because expanding with heat and contract with cold between obturator is asynchronous or inconsistent, even becomes
Shape causes sealing surface blow-by, in addition, thermal expansion amount is once excessive, it is easy to cause transmission mechanism or elevating mechanism clamping stagnation, very
To the damage of sealing valve.
A kind of improved pyrolysis environment of the disclosure of the invention of Publication No. 103615586B is close with gas pipeline liquid metal
Valve, the valve body including being provided with air inlet, gas outlet are sealed, the interior setting of the valve body is connected with the isolation cover body knot of actuating mechanism
Structure, the isolation cover body structure include at least two layers of isolation cover unit, the seal groove list of the body base setting corresponding number
Member is marked with liquid metals, the seal groove unit setting straggly, the vertical ruler of the isolation cover unit in the seal groove unit
The very little height for adapting to the seal groove unit.The seal form of multiple tracks liquid metals sealing is selected in the invention, easily realize every
The technique effect being absolutely sealed from cover unit, and coefficient of stability height is isolated, repair can be suitable for and even stop what is supplying
Release situation, the voltage stabilizing area formed using inside, ensures good hydraulic seal, this life of equipment is long, and loss is small,
Control is accurate, of low cost, has good value for applications.But such sealing valve is using liquid metals, liquid metal
It needs to melt solid metal in filling, there is still a need for melt it with heating unit for the starting again after deactivating
Change, more seriously in folding, since instantaneous variation and liquid metal the immersion isolation cover of seal groove both sides pressure difference are shallower
When, liquid metal is not enough to instantaneous sealed gas-filling body, a part of liquid metal in isolation cover both sides, the pressure difference that height of liquid level is formed
The outside of seal groove is blown out, causes the outflow of liquid metal, the metal filled may not meet sealing, also need to add again
Liquid metal, if switching again slightly frequently, causes to add, amount of metal is excessive, and pipeline deposited metal blocks pipeline, another serious
Problem is, once fluid-tight is broken, coal gas leaks or air enters gas piping, carrys out major hidden danger to safety belt.
Invention content
In view of this, the present invention provides a kind of high-temperature sealing valve, improves the leakproofness that high-temperature valve seals firmly, while improve height
Warm sealing valve reliability of operation.
In order to solve the above technical problems, the present invention provides a kind of high-temperature sealing valve, including valve body, valve seat, spool, valve rod,
The sealing position of elevating mechanism, the valve seat and/or spool uses the elastomer of elastomer structure, the valve seat and/or spool
Structure has the ability for reducing itself rigidity, increasing natural resiliency deformation, and the sealing surface of spool is caused when spool squeezes valve seat
Profile is bonded the sealing facial contour of valve seat.
Further, the sealing surface back of the valve seat and/or spool is in the elastomer structure or sealing of groove hollow out
Position is resilient thin-slab structure.
Further, the high-temperature sealing valve further includes the position restrainer for expanding with heat and contract with cold and making a concession compensation mechanism and sealing resultant force
Structure, the sealing refer to sealing valve when being closed with joint efforts, and the power and valve rod of elevating mechanism, spool pass to valve altogether from gravity
The power of core, valve seat, it is described expand with heat and contract with cold make a concession compensation mechanism and seal resultant force position-limit mechanism be arranged on the elevating mechanism and
Between the valve rod.
Further, the yielding compensation mechanism that expands with heat and contract with cold includes, stop collar, the spring seat of honour, spring lower seat, spring,
The setting spring seat of honour, spring lower seat and spring, the spring seat of honour connect the elevating mechanism, the spring in the stop collar
Even valve rod, the spring are arranged between the spring seat of honour and spring lower seat for lower seat connection.
Further, the position-limit mechanism of the sealing resultant force is arranged on the spring for making a concession compensation mechanism that expands with heat and contract with cold
Between seat and spring lower seat or between elevating mechanism and stop collar, position-limit mechanism and the elevating mechanism of the sealing resultant force it
Between control system is set, the position-limit mechanism of sealing resultant force is made to pass through control system and controls the elevating mechanism.
Further, the position in sealing contact of the valve seat and spool is designed to contact structure.
Further, the sealing position of the sealing facial contour of the valve seat is arc surface, the sealing facial contour of the spool
For the conical surface.
Further, the sealing position of the sealing facial contour of the spool is arc surface, the sealing facial contour of the valve seat
For the conical surface.
Further, the stop collar adds end cover type structure for opposite opened structure or sleeve, but preferred or sleeve adds
End cover type structure, the structure processing and installation are all more convenient.
Further, spring steel of the sealing position and spring materials of the spool and valve seat for 450 DEG C of heatproof or more.
The present invention provides a kind of high-temperature sealing valve, including valve body, valve seat, spool, valve rod, elevating mechanism, valve seat and/or
The sealing position of spool uses elastomer structure, the elastomer structure of valve seat and/or spool have reduction itself rigidity, increase from
The elastically-deformable ability of body causes the sealing facial contour of the sealing facial contour fitting valve seat of spool when spool squeezes valve seat.Bullet
Property body structure itself rigidity it is relatively low, elastic deformability is higher, and when sealing can make the sealing facial contour of valve seat or spool more
Be bonded the sealing facial contour of spool or valve seat, or both sealing facial contour be bonded to each other, sealing surface is the setting of the conical surface, is made close
Envelope position according to expand with heat and contract with cold and elasticity flexible change in size, and there are one up and down relocatable change in location, adaptability is more
By force.
The sealing surface back of valve seat and/or spool is resilient thin plate knot in the elastomer structure or sealing position of groove hollow out
Structure.But preferred or sealing surface back makes it have deformable elastomer, makes a containment member in groove engraved structure
It follows another containment member profile and changes, be in close contact, sealing facial contour is more bonded, and sealing effect is more preferable, this knot
Structure, it is simple for process, reliable and stable.
High-temperature sealing valve further includes to expand with heat and contract with cold and makes a concession compensation mechanism and seal the position-limit mechanism of resultant force, and sealing refers to close with joint efforts
Valve is sealed when being closed, the power and valve rod of elevating mechanism, spool pass to the power of spool, valve seat from gravity altogether, expand with heat and contract with cold
The position-limit mechanism for making a concession compensation mechanism and sealing resultant force is arranged between the elevating mechanism and the valve rod.It expands with heat and contract with cold yielding
Compensation mechanism, which has, clears up the expand with heat and contract with cold clamping stagnation that may bring elevating mechanism, scuffing, seals the position-limit mechanism tool of resultant force
There is control sealing resultant force size, high-temperature sealing valve is made not only to have can ensure that sealing, but also sealing resultant force can be prevented excessive, extend high
Warm sealing valve service life.
The yielding compensation mechanism that expands with heat and contract with cold includes, stop collar, the spring seat of honour, spring lower seat, spring, setting bullet in stop collar
The spring seat of honour, spring lower seat and spring, spring seat of honour connection elevating mechanism, even valve rod, spring are arranged on spring for spring lower seat connection
Between the seat of honour and spring lower seat.
The position-limit mechanism of sealing resultant force is arranged on to expand with heat and contract with cold and make a concession between the spring seat of honour and the spring lower seat of compensation mechanism
Or between elevating mechanism and stop collar, seal and control system is set between the position-limit mechanism of resultant force and elevating mechanism, close sealing
The position-limit mechanism of power controls the elevating mechanism by control system.
When high-temperature sealing valve be closed, after spool is contacted with valve seat, spool, valve rod in place, at this point, on elevating mechanism and spring
Seat is still doing descending motion, and only when spring-compressed is to after setting displacement, the position-limit mechanism action of the sealing resultant force is described
The position-limit mechanism for sealing resultant force controls the elevating mechanism to stop falling by control system, at this point, both can guarantee that sealing surface had
Certain closing force makes elastic sealed body that certain deformation occur, and sealing surface is more bonded, and sealing effect is good, and is avoided that sealing
It is excessive with joint efforts and equipment is injured, meanwhile, after seal closure, when valve rod is extended as temperature increases, expand with heat and contract with cold
This variable quantity can be absorbed by making a concession compensation mechanism, if no spring structure can absorb this elongation, even if one micro-
Small swell increment, is likely to dramatically increase the resultant force of sealing surface, this passes to elevating mechanism with joint efforts, is turbine in elevating mechanism
When worm transmission pair or rack pinion pair, the excessive of power between tooth form is easily caused, more than the flexible deformation between tooth and tooth,
Occlusion bonding phenomenon occurs, and spring can effectively clear up this swell increment, so as to effectively reduce equipment fault.
The position in sealing contact of the valve seat and spool is designed to contact structure.I.e. no matter valve seat or spool any one
Sealing position is designed to arc surface, and forming line with another contact surface contacts, although line way of contact contact surface is small, elastomer
The use of structure, make contact line be bonded to each other may bigger, leakproofness also bigger.
The sealing position of the sealing facial contour of valve seat is arc surface, and the sealing facial contour of spool is the conical surface, this is line contact
A kind of structure.
The sealing position of the sealing facial contour of spool is arc surface, and the sealing facial contour of valve seat is the conical surface, this is line contact
Another structure.
Stop collar adds end cover type structure for opposite opened structure or sleeve, but preferred or sleeve adds end cover type structure, should
Structure processing and installation is all more convenient.The orientation of the position-limit mechanism setting of sealing resultant force, i.e., close before the structure of stop collar corresponds to
The position-limit mechanism of sealing power is arranged between the spring seat of honour and spring lower seat or is determined between elevating mechanism and stop collar.
Spring steel of the sealing position and spring materials of spool and valve seat for 450 DEG C of heatproof or more, is sealed using spring steel
Effect is more preferable, and high temperature resistant avoids working environment from causing the impaired of metallicity.
The high-temperature sealing valve of the present invention substantially improves the leakproofness that high-temperature valve seals firmly, and makes a concession compensation by expanding with heat and contract with cold
The position-limit mechanism of mechanism and sealing resultant force improves high-temperature sealing valve reliability of operation, and liter may be brought by having cleared up to expand with heat and contract with cold
Clamping stagnation, the scuffing of descending mechanism substantially increase the service life of valve.
Description of the drawings
Fig. 1 is high-temperature sealing valve closed state schematic diagram；
Fig. 2 is high-temperature sealing valve opening schematic diagram；
Fig. 3 is to expand with heat and contract with cold to make a concession compensation mechanism and position-limit mechanism and be arranged between the spring seat of honour and spring lower seat, sealing resultant force
Position-limit mechanism be arranged on expand with heat and contract with cold make a concession compensation mechanism the spring seat of honour and spring lower seat between schematic diagram；
Fig. 4 is to expand with heat and contract with cold to make a concession compensation mechanism and position-limit mechanism and be arranged between elevating mechanism and stop collar, seals resultant force
Position-limit mechanism is arranged on the schematic diagram between elevating mechanism and stop collar；
When Fig. 5 is that spool is closed with valve seat, a kind of structure diagram of sealing position；
When Fig. 6 is that spool is closed with valve seat, another structure diagram of sealing position；
When Fig. 7 is that three spool of embodiment is closed with valve seat, another structure diagram of sealing position.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's all other embodiments obtained, shall fall within the protection scope of the present invention.
Embodiment one, as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, the present invention provides a kind of high-temperature sealing valve, including valve body
1st, valve seat 2, spool 3, valve rod 4, elevating mechanism 5, the sealing surface of the spool 3 is the conical surface, and the sealing position of the valve seat 2 uses
Elastomer structure reduces rigidity, increases elastic deformability, the sealing facial contour of valve seat 2 is made more to be bonded the sealing surface of spool 3
Profile.
The high-temperature sealing valve further includes to expand with heat and contract with cold and makes a concession compensation mechanism 6 and seal the position-limit mechanism 7 of resultant force, described close
Sealing power refers to sealing valve when being closed, and elevating mechanism passes to the power of spool 3, valve seat 2, the elevating mechanism 5 and the valve
Setting, which is expanded with heat and contract with cold, between bar 4 makes a concession compensation mechanism 6 and seals the position-limit mechanism 7 of resultant force.
The yielding compensation mechanism 6 that expands with heat and contract with cold includes, stop collar 61, the spring seat of honour 62, spring lower seat 63, spring 64,
The setting spring seat of honour 62, spring lower seat 63 and spring 64, the spring seat of honour 62 connect the elevator in the stop collar 61
Structure 5, even valve rod 4, the spring 64 are arranged between the spring seat of honour 62 and spring lower seat 63 for the connection of spring lower seat 63.
The position-limit mechanism 7 of the sealing resultant force is arranged on described expand with heat and contract with cold and makes a concession 62 He of the spring seat of honour of compensation mechanism 6
Between spring lower seat 63, control system 8 between the position-limit mechanism 7 and the elevating mechanism 5 is set, passes through position-limit mechanism 7
Control system 8 controls the elevating mechanism 5.
When high-temperature sealing valve be closed, after spool 3 is contacted with valve seat 2, spool 3, valve rod 4 in place, at this point, elevating mechanism 5 and
Descending motion is still being done in the spring seat of honour 62, only after spring 64 is compressed to setting displacement, the position restrainer of the sealing resultant force
Structure 7 acts, and the position-limit mechanism 7 of the sealing resultant force controls the elevating mechanism 5 to stop falling by control system 8, at this point, both
It can guarantee that sealing surface has certain closing force, make elastic sealed body that certain deformation occur, sealing surface is more bonded, sealing effect
It is good, and be avoided that sealing resultant force is excessive and equipment is injured, meanwhile, after seal closure, valve rod 4 increase with temperature and
During elongation, if no spring structure can absorb this elongation, even if a small swell increment, it is likely to significantly increase
The resultant force of cover is encrypted, and spring can effectively clear up this swell increment, so as to effectively reduce equipment fault.
The sealing surface back of the valve seat 2 and spool 3 is in the elastomer structure of groove hollow out, this structure, technique letter
It is single, reliable and stable.
Section is set to be connect into triangle and triangle sealing mechanism for the circular arc line of arc transition with spool 3 on valve seat 2
Contacting surface combines, and contact position is a line on arc surface；Although it is small to seal upper thread way of contact contact surface, elastomer structure
Use, make contact line be bonded to each other may bigger, leakproofness also bigger.
The stop collar 61 adds end cover type structure for sleeve, and the structure processing and installation is all more convenient.
GH145 spring steel of the sealing position material of the spool and valve seat for 450 DEG C of heatproof or more.
Embodiment two, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, the present invention provides a kind of high-temperature sealing valve, including valve body
1st, valve seat 2, spool 3, valve rod 4, elevating mechanism 5, the sealing position of the valve seat 2 are reduced rigidity, are increased using elastomer structure
Elastic deformability makes the sealing facial contour of valve seat 2 more be bonded the sealing facial contour of spool 3.
The high-temperature sealing valve further includes to expand with heat and contract with cold and makes a concession compensation mechanism 6 and seal the position-limit mechanism 7 of resultant force, described close
Sealing power refers to sealing valve when being closed, and elevating mechanism passes to the power of spool 3, valve seat 2, the elevating mechanism 5 and the valve
Setting, which is expanded with heat and contract with cold, between bar 4 makes a concession compensation mechanism 6 and seals the position-limit mechanism 7 of resultant force.
The yielding compensation mechanism 6 that expands with heat and contract with cold includes, stop collar 61, the spring seat of honour 62, spring lower seat 63, spring 64,
The setting spring seat of honour 62, spring lower seat 63 and spring 64, the spring seat of honour 62 connect the elevator in the stop collar 61
Structure 5, even valve rod 4, the spring 64 are arranged between the spring seat of honour 62 and spring lower seat 63 for the connection of spring lower seat 63.
The position-limit mechanism 7 of the sealing resultant force is arranged on described expand with heat and contract with cold and makes a concession 62 He of the spring seat of honour of compensation mechanism 6
Between spring lower seat 63, control system 8 between the position-limit mechanism 7 and the elevating mechanism 5 is set, passes through position-limit mechanism 7
Control system 8 controls the elevating mechanism 5.
When high-temperature sealing valve be closed, after spool 3 is contacted with valve seat 2, spool 3, valve rod 4 in place, at this point, elevating mechanism 5 and
Descending motion is still being done in the spring seat of honour 62, only after spring 64 is compressed to setting displacement, the position restrainer of the sealing resultant force
Structure 7 acts, and the position-limit mechanism 7 of the sealing resultant force controls the elevating mechanism 5 to stop falling by control system 8, at this point, both
It can guarantee that sealing surface has certain closing force, make elastic sealed body that certain deformation occur, sealing surface is more bonded, sealing effect
It is good, and be avoided that sealing resultant force is excessive and equipment is injured, meanwhile, after seal closure, valve rod 4 increase with temperature and
During elongation, if no spring structure can absorb this elongation, even if a small swell increment, it is likely to significantly increase
The resultant force of cover is encrypted, and spring can effectively clear up this swell increment, so as to effectively reduce equipment fault.
The sealing surface back of the valve seat 2 and spool 3 is in the elastomer structure of groove hollow out, this structure, technique letter
It is single, reliable and stable.
Section is set in the outer circle of spool 3, and into the semicircle of protrusion, the circular arc line of semicircle is combined with 2 contact surface of valve seat, is connect
Position is touched as a line on arc surface；Although sealing, upper thread way of contact contact surface is small, and the use of elastomer structure makes to connect
Tactile line be bonded to each other may bigger, leakproofness also bigger.
The stop collar 61 adds end cover type structure for sleeve, and the structure processing and installation is all more convenient.
GH145 spring steel of the sealing position material of the spool and valve seat for 450 DEG C of heatproof or more.
Embodiment three, as described in Figure 7, the difference of the embodiment three and embodiment one is, the spool 3 in embodiment three
On welded the sealing surface 31 of plank frame, elasticity is more preferable, better tightness.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of high-temperature sealing valve, including valve body, valve seat, spool, valve rod, elevating mechanism, the sealing of the valve seat and/or spool
Position uses elastomer structure, and the elastomer structure of the valve seat and/or spool has reduction itself rigidity, increases natural resiliency
The ability of deformation causes the sealing facial contour of the sealing facial contour fitting valve seat of spool when spool squeezes valve seat.
2. high-temperature sealing valve as described in claim 1, it is characterised in that：The sealing surface back of the valve seat and/or spool is in
The elastomer structure or sealing position of groove hollow out are resilient thin-slab structure.
3. high-temperature sealing valve as described in claim 1, it is characterised in that：The high-temperature sealing valve further includes yielding of expanding with heat and contract with cold
The position-limit mechanism of compensation mechanism and sealing resultant force, the sealing refer to sealing valve when being closed with joint efforts, the power and valve rod of elevating mechanism,
Spool passes to the power of spool, valve seat, the limiting for making a concession compensation mechanism and sealing resultant force of expanding with heat and contract with cold from gravity altogether
Mechanism is arranged between the elevating mechanism and the valve rod.
4. high-temperature sealing valve as claimed in claim 3, it is characterised in that：The yielding compensation mechanism that expands with heat and contract with cold includes, and limits
Position set, the spring seat of honour, spring lower seat, spring, the interior setting spring seat of honour of the stop collar, spring lower seat and spring, the spring
The seat of honour connects the elevating mechanism, and even valve rod, the spring are arranged on the spring seat of honour and spring for the spring lower seat connection
Between lower seat.
5. high-temperature sealing valve as claimed in claim 4, it is characterised in that：The position-limit mechanism of the sealing resultant force is arranged on described
It expands with heat and contract with cold and makes a concession between the spring seat of honour of compensation mechanism and spring lower seat or between elevating mechanism and stop collar, the sealing is closed
Control system is set between the position-limit mechanism of power and the elevating mechanism, the position-limit mechanism of sealing resultant force is made to pass through control system control
Make the elevating mechanism.
6. high-temperature sealing valve as described in claim 1, it is characterised in that：It designs at the position in sealing contact of the valve seat and spool
Into contact structure.
7. high-temperature sealing valve as claimed in claim 5, it is characterised in that：The stop collar adds end for opposite opened structure or sleeve
Lid formula structure.
8. high-temperature sealing valve as described in claim 1, it is characterised in that：The spool and the sealing position of valve seat and spring material
Spring steel of the matter for 450 DEG C of heatproof or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475960.3A CN108167449A (en) | 2017-12-29 | 2017-12-29 | A kind of high-temperature sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475960.3A CN108167449A (en) | 2017-12-29 | 2017-12-29 | A kind of high-temperature sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108167449A true CN108167449A (en) | 2018-06-15 |
Family
ID=62519897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711475960.3A Pending CN108167449A (en) | 2017-12-29 | 2017-12-29 | A kind of high-temperature sealing valve |
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| Country | Link |
|---|---|
| CN (1) | CN108167449A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838564A (en) * | 2019-03-28 | 2019-06-04 | 西峡龙成特种材料有限公司 | A kind of double containment high-temperature sealing valve and high-temperature combustible gas transportation system |
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| CN203717970U (en) * | 2013-12-16 | 2014-07-16 | 南通市电站阀门有限公司 | Valve sealing compensation structure |
| JP2014173706A (en) * | 2013-03-12 | 2014-09-22 | Taiho Kogyo Co Ltd | Valve device |
| CN205001527U (en) * | 2015-09-17 | 2016-01-27 | 博雷（中国）控制系统有限公司 | Butterfly valve sealing structure |
| CN107035874A (en) * | 2017-05-31 | 2017-08-11 | 朱书红 | A kind of sealing valve |
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|---|---|---|---|---|
| US4407242A (en) * | 1979-09-08 | 1983-10-04 | Massey-Ferguson-Perkins Limited | Valve seats |
| JP2000046202A (en) * | 1998-07-31 | 2000-02-18 | Nok Corp | Valve device |
| CN2364280Y (en) * | 1999-02-05 | 2000-02-16 | 丁庆新 | Eliptic metal ring oblique cone seal pair butterfly valve |
| CN2567408Y (en) * | 2002-06-18 | 2003-08-20 | 吴忠仪表股份有限公司 | Valve base of U-shaped metal hard sealing butterfly valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838564A (en) * | 2019-03-28 | 2019-06-04 | 西峡龙成特种材料有限公司 | A kind of double containment high-temperature sealing valve and high-temperature combustible gas transportation system |
| CN109838564B (en) * | 2019-03-28 | 2024-05-03 | 西峡龙成特种材料有限公司 | Double-seal high-temperature sealing valve and high-temperature combustible gas conveying system |
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Application publication date: 20180615 |