CN207486108U - Top dress blowout prevention valve rod high temperature and pressure ceramic ball valve - Google Patents
Top dress blowout prevention valve rod high temperature and pressure ceramic ball valve Download PDFInfo
- Publication number
- CN207486108U CN207486108U CN201721623312.3U CN201721623312U CN207486108U CN 207486108 U CN207486108 U CN 207486108U CN 201721623312 U CN201721623312 U CN 201721623312U CN 207486108 U CN207486108 U CN 207486108U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- valve body
- high temperature
- blowout prevention
- 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.)
- Active
Links
Abstract
The utility model top dress blowout prevention valve rod high temperature and pressure ceramic ball valve includes valve body,It is connected to the left and right flange at valve body both ends,Left valve seat and right valve seat,Sphere between two valve seats,Across upper mounting plate and valve body and the valve rod that is fixedly connected with sphere,The valve body liner being held between left valve seat and right valve seat,Stationary bushing,Valve body is sleeved on outside valve body liner,Left and right valve seat,Valve body liner is made with stationary bushing of ceramic material,In the lower end insertion valve body and valve body liner of stationary bushing and its end is pressed on valve rod,Two valve seats,Complete annular seal space is formed between valve body liner and stationary bushing,Valve rod is from body top right angle setting,It opens and inspect,Installation valve rod is more convenient,Valve rod is prevented from spraying by stationary bushing,Valve rod centering is ensured by axle sleeve,Top filler is compressed finally by hold-down grid pretightning force and passes to bottom filling,Valve rod is made to be used in long-time rotation and also can guarantee packing box seal,Extend valve service life and the cycle of operation.
Description
Technical field
The utility model is related to a kind of ball valves, in particular relate to a kind of ceramic ball valve.
Background technology
Existing high-pressure ceramic ball valve, in the anti-design for spraying function of valve rod, using by body cavity the bottom of from
Portion is up installed, and is sprayed under High Pressure Difference using valve body blocking valve rod.This structure valve rod installation, open and inspect during
It bothers very much, waste time, every time all dismantle whole deck valve door.It is filled out in stuffing-box using single group filler, single group
Material causes successively to successively decrease in pressure transfer process, it is impossible to ensure the maximum pressure of bottom filling during pressing plate is pressed downward.
If valve stuffing box leaks, running equipment parking, injury Field Force can be caused or even more serious accident can be caused.
Utility model content
The purpose of this utility model is to provide a kind of installation and opens and inspect convenience, simple in structure, safe to use, environmentally friendly Ceramic Balls
Valve.
To achieve the above object, the technical solution of the utility model is：Top dress blowout prevention valve rod high temperature and pressure Ceramic Balls
Valve, valve body, left flange and right flange, left valve seat and right valve seat, the ball between two valve seats for being connected to valve body both ends
Body, across upper mounting plate and valve body and the valve rod being fixedly connected with sphere, the valve body liner being held on left valve seat and right valve seat,
Stationary bushing, valve body are sleeved on outside valve body liner, and left valve seat, right valve seat, valve body liner and stationary bushing use ceramic material system
Into the valve rod is installed from the upper vertical of valve body, in the lower end insertion valve body and valve body liner of the stationary bushing and its end
Portion is pressed on valve rod.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, wherein, upper mounting plate is cased with outside the valve rod, it is described
Valve rod sets stuffing-box across stationary bushing, upper mounting plate and three.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, wherein, between the valve body liner and left valve seat
And Graphite pad is equipped between valve body and left flange, it is also set between valve body and right flange between the valve body liner and right valve seat
There is Graphite pad.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, wherein, the stuffing-box is included along the outer of valve rod
Graphite braided packing that surface is set gradually from bottom to top, axle sleeve, graphite braided packing, axle sleeve, graphite braided packing, axle sleeve,
Disc spring, hold-down grid, the stuffing-box are compressed by hold-down grid, and the hold-down grid is fixedly connected with upper mounting plate.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, wherein, it is provided with above the hold-down grid
Baffle, the baffle-plate-sleeve is outer mounted in valve rod and is pressed in disc spring, and round nut and locking pad are provided with above the baffle, outside valve rod
Piece is provided with wear-resistant pad between the check washer and baffle.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, wherein, further include stud and nut, the stud
Across hold-down grid, upper mounting plate and use nut check.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, wherein, have between the stationary bushing and valve rod
Wear-resistant pad prevents from wearing into between-line spacing, is sealed between stationary bushing and valve body liner by Graphite pad.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, wherein, by stone between upper mounting plate and stationary bushing
Black gasket seal.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, wherein, between the sphere and left and right valve seat
There are gap, the center of the left valve seat and right valve seat is both provided with runner, and the center of sphere is equipped with through-hole, in valve body and valve body
Lining is also equipped with through-hole, and the axis of the left valve seat and right valve seat both passes through the center of sphere.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, wherein, the left and right flanges and left and right valve seat
Along the center line symmetrical setting of valve rod.
After using the above scheme, compared with prior art, due to the utility model top dress blowout prevention valve rod high temperature and pressure ceramics
In ball valve, valve rod using roof-mounted, by the stationary bushing of ceramic material pushed down, then pushes down fixed lining by upper mounting plate by valve rod
Set, is securely connected by the stud, nut and upper mounting plate that pass through hold-down grid, the power of stationary bushing is made to act on valve body, circle
Stuffing-box, stuffing-box packet are set between upper mounting plate and stationary bushing, valve rod three while nut and check washer locking valve rod
Three groups of graphite braided packings and axle sleeve are included, three groups of fillers greatly reduce the leakage coefficient of stuffing-box and increase the safety of valve
Property, graphite braided packing group is with filler group directly with shaft room every the pressing force of the hold-down grid enable uniformly passes downwards
It is handed to the filler of the bottom.
The design of valve rod in the dress blowout prevention valve rod high temperature and pressure ceramic ball valve of the utility model top, ensures not having to tear valve body, method open
Orchid compared with the valve of bottom dress formula, as long as removing stud and nut, unclamps round nut and check washer, removes baffle, filler pressure
Plate, disc spring, it is possible to simple easily tear open picks up, replaces valve rod, the design of stuffing-box can guarantee valve rod rotate for a long time without
It leaks.
In the dress blowout prevention valve rod high temperature and pressure ceramic ball valve of the utility model top, valve rod is from body top right angle setting, by solid
Determining bushing prevents from spraying, and ensures valve rod centering by axle sleeve, compresses top filler finally by hold-down grid pretightning force and passes to
Bottom filling makes valve rod in prolonged rotation in use, can ensure that stuffing-box reaches good sealing.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, by ceramic stationary bushing, realizes medium only
Contact ceramics and do not reach metal shell, while ceramic packing letter ensure that being sealed in strong corrosive medium of valve rod, seal
Reliably；And the top dress function of valve rod is also achieved, it can be good at ensureing the anti-ejection of valve rod.Valve overall structure is simple, peace
Dress convenience, sealed reliable, torque are slim and graceful, and the operation of use site smoothly, safe is can be ensured that during use.Full ceramics
Valve passage, have fabulous abrasion-proof corrosion-proof performance, so as to extend the service life of valve and scene the cycle of operation.
The utility model top dress blowout prevention valve rod high temperature and pressure ceramic ball valve is described further below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the front sectional view that the utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve；
Fig. 2 is the vertical view that the utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve.
Specific embodiment
With reference to shown in Fig. 1 and Fig. 2, the utility model top dress blowout prevention valve rod high temperature and pressure ceramic ball valve, including valve body 6, even
Be connected on the left flange 1 and right flange 1 ' at 6 both ends of valve body, left valve seat 2 and right valve seat 2 ', the sphere 3 between two valve seats,
Across upper mounting plate 13 and valve body 6 and the valve rod 12 being fixedly connected with sphere 3, the valve being held on left valve seat 2 and right valve seat 2 '
Lining 5, stationary bushing 9, upper mounting plate 13, stud 18 and nut 19, valve body 6 are sleeved on outside valve body liner 5 in vivo, left valve seat 2, right valve
Seat 2 ', valve body liner 5 are made with stationary bushing 9 of ceramic material, and valve rod 12 is installed from the upper vertical of valve body 6, fixed
In the lower end insertion valve body 6 and valve body liner 5 of bushing 9 and its end is pressed on valve rod 12.
As shown in Figure 1, upper mounting plate 13 is sleeved on outside valve rod 12, valve rod 12 is across stationary bushing 9, upper mounting plate 13 and three
Stuffing-box 22 is set, and passes through stuffing-box 22 and is sealed, stuffing-box 22 is included along the outer surface of valve rod 12 from bottom to top successively
The graphite braided packing 21 of setting, axle sleeve 20, graphite braided packing 21, axle sleeve 20, graphite braided packing 21, axle sleeve 20, disc spring
15th, hold-down grid 17, stuffing-box 22 are compressed by hold-down grid 17, and hold-down grid 17 is fixedly connected with upper mounting plate 13, stud 18
It is locked across hold-down grid 17, upper mounting plate 13 and with nut 19.
As shown in Figure 1, Graphite pad 4, valve are equipped between valve body liner 5 and left valve seat 2 and between valve body 6 and left flange 1
In vivo Graphite pad also is provided between valve body 6 and right flange 1 ' between lining 5 and right valve seat 2 '.
As shown in Figure 1, the top of hold-down grid 17 is provided with baffle 16, baffle 16 is sleeved on outside valve rod 12 and is pressed in disc spring
On 15, round nut and check washer 11 are provided with outside 16 top of baffle, valve rod 12, is provided between check washer 11 and baffle 16
Wear-resistant pad 14 has wear-resistant pad 23 to prevent from wearing into between-line spacing between stationary bushing 9 and valve rod 12, stationary bushing 9 and valve body liner 5
Between sealed by Graphite pad 7, sealed between upper mounting plate 13 and stationary bushing 9 by Graphite pad 10.
As shown in Figure 1, left and right flanges and left and right valve seat are along the center line symmetrical setting of valve rod, sphere 3 and left valve seat
2nd, there are gap between right valve seat 2 ', the center of left valve seat 2 and right valve seat 2 ' is both provided with runner, and the center of sphere 3 is equipped with
Through-hole is also equipped on through-hole, valve body 6 and valve body liner 5, valve rod 12 is stretched out out of valve body 6 and valve body liner 5 through-hole, left valve
The axis of seat 2 and right valve seat 2 ' both passes through the center of sphere 3.
The utility model top fills blowout prevention valve rod high temperature and pressure ceramic ball valve, in use, being installed on by left and right flange
On pipeline, executing agency is connected on valve rod, rotates sphere by executing agency's operating valve lever, so as to make this valve opening
Or it closes.
As shown in Figure 1, in the utility model, upper mounting plate 13 is fixedly connected with valve body 6, and left valve seat 2 and right valve seat 2 ' are symmetrical
Setting, spheres of ceramic 3 contact sealing with valve seat 2, and the sealing surface that valve seat 2 is contacted with sphere 3 is ceramic material, and ceramic material is consolidated
Determine have wear-resistant pad 23 between bushing 9 and valve rod 12, there is Graphite pad 7 to be sealed between valve body liner 5, ceramic material is consolidated
Determine bushing 9 to be pressed on valve body 6, upper mounting plate 13 pushes down ceramic stationary bushing 9, and stud 18 passes through hold-down grid 17, upper mounting plate 13 to use
Nut 19 is locked downwards, fixes the stationary bushing 9 of ceramic material, and there is disc spring 15 in 16 lower section of baffle, by round nut and locking
Gasket 11 is fixed on while locking valve rod 12 on hold-down grid 17, and there is wear-resistant pad 14 in 11 lower section of check washer, and sealing performance can
It leans on, it is safe to use.
In the dress blowout prevention valve rod high temperature and pressure ceramic ball valve of the utility model top, the material of axle sleeve 20 is brass, upper mounting plate 13
After fastening is connect with valve body 6, upper mounting plate 13 compresses ceramic stationary bushing 9, and hold-down grid 17 passes through 18 nut of bolt, 19 compression axis
Set 20 by lasting pressure transmission to graphite braided packing 21, then passes through axle sleeve 20 successively transmission downwards so that graphite braiding is filled out
The upper surface of material 21 can seal for a long time with axle sleeve 20, reach permanent sealing needs when valve rod 12 does not stall dynamic to meet.
In the dress blowout prevention valve rod high temperature and pressure ceramic ball valve of the utility model top, novelty ingenious in design is simple in structure, assembling,
It tears open and picks up conveniently, make valve more safe and reliable at work.
The valve rod of the utility model high temperature and pressure ceramic ball valve carries out top installation, in case of high pressures safely and effectively
Reach the blowout prevention function of valve rod, the Double-insurance sealing of two layers of filler, the channel of full ceramics, suitable for High Pressure Difference, deep-etching, abrasion
Occasion.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
Novel range is defined, and under the premise of the spirit of the design of the utility model is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In the range of.
Claims (10)
1. a kind of top dress blowout prevention valve rod high temperature and pressure ceramic ball valve, including valve body (6), is connected to the left method at valve body (6) both ends
Blue (1) and right flange (1 '), left valve seat (2) and right valve seat (2 '), the sphere (3) between two valve seats, across upper mounting plate
(13) and valve body (6) and be fixedly connected with sphere (3) valve rod (12), be held between left valve seat (2) and right valve seat (2 ')
Valve body liner (5), stationary bushing (9), valve body (6) are sleeved on valve body liner (5) outside, it is characterised in that：Left valve seat (2), right valve seat
(2 '), valve body liner (5) are made with stationary bushing (9) of ceramic material, and the valve rod (12) is hung down from the top of valve body (6)
Straight installation, the lower end of the stationary bushing (9) is embedded in valve body (6) and valve body liner (5) and its end is pressed on valve rod (12)
On.
2. dress blowout prevention valve rod high temperature and pressure ceramic ball valve in top according to claim 1, it is characterised in that：The valve rod (12)
Upper mounting plate (13) is cased with outside, the valve rod (12) sets stuffing-box across stationary bushing (9), upper mounting plate (13) and three
(22)。
3. dress blowout prevention valve rod high temperature and pressure ceramic ball valve in top according to claim 2, it is characterised in that：The valve body liner
(5) Graphite pad (4), the valve body liner (5) and the right side are equipped between left valve seat (2) and between valve body (6) and left flange (1)
Between valve seat (2 ') Graphite pad also is provided between valve body (6) and right flange (1 ').
4. dress blowout prevention valve rod high temperature and pressure ceramic ball valve in top according to claim 3, it is characterised in that：The stuffing-box
(22) including set gradually from bottom to top along the outer surface of valve rod (12) graphite braided packing (21), axle sleeve (20), graphite compile
Knit filler (21), axle sleeve (20), graphite braided packing (21), axle sleeve (20), disc spring (15), hold-down grid (17), the filler
Letter (22) is compressed by hold-down grid (17), and the hold-down grid (17) is fixedly connected with upper mounting plate (13).
5. dress blowout prevention valve rod high temperature and pressure ceramic ball valve in top according to claim 4, it is characterised in that：The hold-down grid
(17) baffle (16) is provided with above, the baffle (16) is sleeved on valve rod (12) outside and is pressed in disc spring (15), the gear
Be provided with round nut and check washer (11) above plate (16), outside valve rod (12), the check washer (11) and baffle (16) it
Between be provided with wear-resistant pad (14).
6. dress blowout prevention valve rod high temperature and pressure ceramic ball valve in top according to claim 5, it is characterised in that：Further include stud
(18) it is locked with nut (19), the stud (18) across hold-down grid (17), upper mounting plate (13) and with nut (19).
7. dress blowout prevention valve rod high temperature and pressure ceramic ball valve in top according to claim 6, it is characterised in that：The stationary bushing
(9) there is wear-resistant pad (23) to prevent from wearing into between-line spacing between valve rod (12), between stationary bushing (9) and valve body liner (5) by
Graphite pad (7) seals.
8. dress blowout prevention valve rod high temperature and pressure ceramic ball valve in top according to claim 7, it is characterised in that：Upper mounting plate (13)
It is sealed between stationary bushing (9) by Graphite pad (10).
9. dress blowout prevention valve rod high temperature and pressure ceramic ball valve in top according to claim 8, it is characterised in that：The sphere (3)
There are gap between left and right valve seat (2,2 '), the center of the left valve seat (2) and right valve seat (2 ') is both provided with runner,
The center of sphere (3) is equipped with through-hole, and through-hole, the left valve seat (2) and right valve are also equipped on valve body (6) and valve body liner (5)
The axis of seat (2 ') both passes through the center of sphere (3).
10. dress blowout prevention valve rod high temperature and pressure ceramic ball valve in top according to claim 9, it is characterised in that：The left and right method
Blue (1,1 ') and left and right valve seat (2,2 ') are along the center line symmetrical setting of valve rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623312.3U CN207486108U (en) | 2017-11-29 | 2017-11-29 | Top dress blowout prevention valve rod high temperature and pressure ceramic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623312.3U CN207486108U (en) | 2017-11-29 | 2017-11-29 | Top dress blowout prevention valve rod high temperature and pressure ceramic ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207486108U true CN207486108U (en) | 2018-06-12 |
Family
ID=62473043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721623312.3U Active CN207486108U (en) | 2017-11-29 | 2017-11-29 | Top dress blowout prevention valve rod high temperature and pressure ceramic ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207486108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799231A (en) * | 2018-07-06 | 2018-11-13 | 长沙理工大学 | A kind of two-way driving operating system |
| WO2021195227A1 (en) * | 2020-03-25 | 2021-09-30 | Fisher Controls International Llc | Apparatus to load a valve packing |
-
2017
- 2017-11-29 CN CN201721623312.3U patent/CN207486108U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799231A (en) * | 2018-07-06 | 2018-11-13 | 长沙理工大学 | A kind of two-way driving operating system |
| CN108799231B (en) * | 2018-07-06 | 2019-10-11 | 长沙理工大学 | A kind of two-way driving operating system |
| WO2021195227A1 (en) * | 2020-03-25 | 2021-09-30 | Fisher Controls International Llc | Apparatus to load a valve packing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106958430B (en) | Rod beam-pumping unit well head sealing apparatus | |
| CN207486108U (en) | Top dress blowout prevention valve rod high temperature and pressure ceramic ball valve | |
| CN201874723U (en) | Main shaft-sealing structure for hydroturbines | |
| CN207005293U (en) | Novel shield main shaft seal | |
| CN207486168U (en) | Top dress blowout prevention valve rod ceramic ball valve | |
| CN206072406U (en) | A kind of pressure adaptive pipeline ball-valve of valve rod three-level sealed high-voltage resistant | |
| CN110469686A (en) | High voltagehigh frequency time occasion plug valve | |
| CN204961891U (en) | Zero friction ball valve sealed firmly | |
| CN112303275B (en) | Metal sealing ball valve | |
| CN205330867U (en) | Shaft seal device and have device's axial flow turbine | |
| CN204784710U (en) | Processing machinery sealing member | |
| CN207864592U (en) | Sealing structure for retarder transmission axle shaft end | |
| CN217108302U (en) | Valve filler fixed knot constructs and fire prevention isolation bleeder valve | |
| CN206929387U (en) | A kind of check valve | |
| CN205877228U (en) | Carbon steel stop valve | |
| CN204922079U (en) | Ceramic ball valve | |
| CN202252085U (en) | Lining fluorine ball valve | |
| CN211175426U (en) | Double-eccentric full-lining bidirectional sealing rubber lining butterfly valve | |
| CN205618679U (en) | Valve rod formula two pass seals stop valve with many gaskets | |
| CN205298558U (en) | A wear -resisting rotary seal of self -lubricating for water fatlute pulp grinder | |
| CN207034372U (en) | A kind of valve packing self-adjusting seal structure | |
| CN207034374U (en) | A kind of valve packing stopping seal structure | |
| CN205478184U (en) | Hydrogen ammonia piston compressor filler device | |
| CN210950154U (en) | High platform flange ball valve | |
| CN211777319U (en) | Three-stage sealing protector for wellhead |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |