CN108119688A - The harsh operating mode hard seal fixing ball valve of coal gasification - Google Patents
The harsh operating mode hard seal fixing ball valve of coal gasification Download PDFInfo
- Publication number
- CN108119688A CN108119688A CN201711432881.4A CN201711432881A CN108119688A CN 108119688 A CN108119688 A CN 108119688A CN 201711432881 A CN201711432881 A CN 201711432881A CN 108119688 A CN108119688 A CN 108119688A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- pressing plate
- bearing
- operating mode
- 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.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 24
- 238000002309 gasification Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 63
- 239000000945 filler Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229910002804 graphite Inorganic materials 0.000 claims description 19
- 239000010439 graphite Substances 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000007770 graphite material Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010866 blackwater Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/061—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor knee-joint
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
Present invention is disclosed a kind of harsh operating mode hard seal fixing ball valves of coal gasification, including valve body, first, second valve deck, valve rod, sphere, first, second valve seat, first, second bearing and stuffing-box, the sphere is arranged at first, between second valve seat, the sphere and described first, second valve seat is arranged to sealing pair pairing, described first, the rear portion of second valve seat is respectively arranged with described first, second bearing, described first, second bearing is respectively arranged at described first, the inside of second valve deck, the clutch shaft bearing, second bearing is respectively at being close in first valve seat, grooved hole is set on the end face of second valve seat.The harsh operating mode hard seal fixing ball valve of coal gasification of the present invention can meet the requirement of wear-and corrosion-resistant, high frequency mo and low leakage loss discharge simultaneously.
Description
Technical field
The present invention relates to a kind of valve more particularly to a kind of harsh operating mode hard seal fixing ball valves of coal gasification.
Background technology
In Automation of Manufacturing Process regulating system, regulating valve is an important, essential link, is referred to as
" trick " of Automation of Manufacturing Process, is one of final controlling element of automatic control system.Ball valve is with its simple in structure, sealing
Functional, negotiability becomes by force one of valve with fastest developing speed in recent years.The opening and closing element of ball valve is sphere, and ball valve is in pipeline
In be mainly used to cut off, distribute and change the flow direction of medium, to be rotated by 90 ° using axis of the sphere around valve rod, realize and open
With the purpose of closing.
Ball valve is widely used, and suitable for the general works medium such as water, natural gas, but also it is severe to can be suitably used for operating condition
Petrochemical industry and the harsh operating mode of coal chemical industry.But in the media such as coal gasified black water, mud, cinder, with substantial amounts of solid
Body abrasion resistant particles, and toxic, existing metal hard seal valve be difficult meet simultaneously loss discharge limitation, wear-and corrosion-resistant,
The requirements such as high frequency mo, in addition, how to prevent that these solid wear resistant particle accumulations are also a difficult point at the rear portion of valve seat.Therefore this
The successful research and development of class valve have far-reaching technology and market value.
The content of the invention
The purpose of the present invention is exactly to solve the above-mentioned problems in the prior art, provides a kind of coal gasification harsh work
Condition hard seal fixing ball valve realizes that ball valve works under the conditions of the bad working environments such as Heisui River, mud, cinder, prevents consolidating in medium
Body abrasion resistant particles accumulate in the rear portion of valve seat, meet the requirements such as loss discharge limitation, wear-and corrosion-resistant, high frequency mo.
The purpose of the present invention will be achieved by the following technical programs：
A kind of harsh operating mode hard seal fixing ball valve of coal gasification, including valve body, the first valve deck, the second valve deck, valve rod, sphere,
One valve seat, the second valve seat；The valve body, the first valve deck, the second valve deck interfix and form a sprue；The sphere is set
In the sprue formed in three, and described in the control of the valve rod as being disposed thereon and then selection closing or perforation
Sprue, the sphere are arranged between first valve seat and second valve seat and are arranged to sealing pair pairing, and described the
Clutch shaft bearing is provided on the outside of the relatively described valve body of one valve seat, the outside of the relatively described valve body of second valve seat is set
There is the second bearing, the clutch shaft bearing is arranged at the inside of first valve deck, and the second bearing is arranged at described
The inside of two valve decks, the clutch shaft bearing, the second bearing respectively with first valve deck, the second valve deck coaxial line,
The clutch shaft bearing, second bearing set grooved hole respectively at being close on the end face of first valve seat, the second valve seat.
Preferably, the slot be distributed on the clutch shaft bearing, second bearing end face on, the end face is close to described
The lateral surface of first valve seat, the second valve seat, the slot are recessed one for accommodating the receiving space of solid particle.
Preferably, the receiving space is wedge shaped, is inclined-plane toward the one side of sprue.
Preferably, the surface that the sphere, the first valve seat, the second valve seat contact with each other is provided with nickel-base alloy Surface hardened layer
Coating is formed by thermal jet Welding.
Preferably, it is additionally provided with disc spring between second valve seat and the second bearing, the disc spring is by a graphite material
The valve seat filler of matter is pressed between second valve seat and second valve deck.
Preferably, valve seat filler, spacer ring, valve seat filler and washer, institute are disposed with along the axis direction of the second valve seat
The pressure that washer is subject to the disc spring is stated, the valve seat filler is graphite material, is separated by the spacer ring and forms two-side sealing；
O-ring is additionally provided between second valve seat and second valve deck；First valve seat and the clutch shaft bearing, the first valve
The structure claimed in contrast is provided between lid.
Preferably, support plate is provided between the sphere and the valve body, is set between the support plate and the sphere
It is equipped with bearing.
Preferably, the top of the valve body is additionally provided with the first pressing plate and the second pressing plate, and first pressing plate passes through screw
It is fixedly connected with the valve body, second pressing plate is fixedly connected by screw with first pressing plate, and first pressing plate will
The valve rod is pressed on the valve body, and the rod handle of the valve rod passes through first pressing plate and second pressing plate, the valve rod
Stuffing-box is provided between first pressing plate, is arranged in parallel in the axis of the valve rod.
Preferably, a receiving space is formed between the valve rod and first pressing plate, second pressing plate, be inside equipped with
Scraper, Graphite pad, pressing sleeve, the first gasket, pressing plate, the first bushing, the stuffing-box with filler, the second bushing, washer, second
Gasket, O-ring, the first thrust pad, graphite annulus and the second thrust pad are set successively from top to bottom along the axis direction of the valve rod
It puts, the filler is mixed by PTEE and graphite.
Preferably, the scraper, Graphite pad, pressing sleeve and the first gasket be arranged at the valve rod and second pressing plate it
Between, the pressing plate is arranged between the pressing sleeve and first pressing plate, first bushing, stuffing-box, the second bushing, washer
And first thrust pad be arranged between the valve rod and first pressing plate, second gasket and O-ring are arranged at described
Between one pressing plate and the valve body, the graphite annulus and the second thrust pad are arranged between the valve rod and the valve body.
The beneficial effects are mainly as follows：Wear-and corrosion-resistant, high frequency mo and low leakage loss can be met simultaneously
The requirement of discharge, the design of special stuffing box structure, the design of bearing discharging slot and the pairing of sealing surface hardened layer can effectively expire
The harsh working condition such as sufficient coal chemical industry and petrochemical industry.
Description of the drawings
Fig. 1 is a kind of structure diagram of the harsh operating mode hard seal fixing ball valve of coal gasification in the embodiment of the present invention；
Fig. 2 is the partial enlarged view of stuffing-box in Fig. 1；
Fig. 3 is the second valve seat and the partial enlarged view of second bearing in Fig. 1.
It is marked in figure as follows：
1：Valve body；2：First valve deck；3：Stud；4：Nut；5：Gasket；6：Sphere；7：Bearing；8：Support plate；9：Clutch shaft bearing；
10：O-ring；11：Pin；12：Screw；13：Second pressing plate；14：Valve rod；15：Screw；16：First pressing plate；17：Scraper；18：Stone
Ink pad piece；19：Pressing sleeve；20：First gasket；21：First bushing；22：Filler；23：Second bushing；24：Washer；25：Second pad
Piece；26：O-ring；27：First thrust pad；28：Graphite annulus；29：Second thrust pad；30：O-ring；31：Second valve seat；32：Valve
Seat filler；33：Spacer ring；34：Valve seat filler；35：Washer；36：Disc spring；37：Stuffing-box；38：Second valve deck；39：Second bearing；
40：First valve seat；41：Pressing plate；42：Slot.
Specific embodiment
The purpose of the present invention, advantage and feature, will by the non-limitative illustration of preferred embodiment below carry out diagram and
It explains.These embodiments are only the prominent examples using technical solution of the present invention, it is all take equivalent substitution or equivalent transformation and
The technical solution of formation, all falls within the scope of protection of present invention.
As shown in Figure 1 to Figure 3, present invention is disclosed a kind of harsh operating mode hard seal fixing ball valve of coal gasification, with existing skill
Art is consistent, including valve body 1, the first valve deck 2, the second valve deck 38, valve rod 14, sphere 6, the first valve seat 40, the second valve seat 31.It is described
Valve body 1, the first valve deck 2, the second valve deck 38 interfix and form a sprue；The sphere 6 is arranged at the institute of three's formation
It states in sprue, and the valve rod 14 by being disposed thereon controls and then selects to close or penetrate through the sprue.It is described
It is connected between valve rod 14 and the sphere 6 by pin 11.Between the valve body 1 and first valve deck 2, second valve deck 38
It is fixed together by stud 3 and nut 4, is set between the valve body 1 and first valve deck 2, second valve deck 38
It is equipped with gasket 5.Support plate 8 is provided between the sphere 6 and the valve body 1, is set between the support plate 8 and the sphere 6
It is equipped with bearing 7.
The sphere 6 is arranged between first valve seat 40 and second valve seat 31 and is arranged to sealing pair pairing,
The outside of the relatively described valve body 1 of first valve seat 40 is provided with clutch shaft bearing 9, the relatively described valve of second valve seat 31
The outside of body 1 is provided with the second bearing 39, and the clutch shaft bearing 9 is arranged at the inside of first valve deck 2, and described second
Bearing 39 is arranged at the inside of second valve deck 38, the clutch shaft bearing 9, the second bearing 39 respectively with first valve
Lid 2,38 coaxial line of the second valve deck, and between be provided with the O-ring 10 to seal.
In the present invention, the clutch shaft bearing 9, second bearing 39 are respectively at being close in first valve seat 40, the second valve seat
Grooved hole 42 is set on 31 end face.With reference to shown in Fig. 1 and Fig. 3, the slot 42 is distributed on the clutch shaft bearing 9, the second axis
It holds on 39 end face, first valve seat 40, the lateral surface of the second valve seat 31,42 concave shaped of slot are close in the end face
The receiving space for being used to accommodate solid particle into one.The receiving space is wedge shaped, is inclined-plane toward the one side of sprue.By
Solid wear resistant particle in coal gasification medium generally can all accumulate in existing first valve seat 40, the outside of the second valve seat 31
Face, the so sealing for ball valve and service life can all form very big harm.And the slot 42 of the present invention can accommodate this
A little solid wear resistant particles, and when main channel penetrates through, due to the design on the inclined-plane of slot 42, can easily make these solid
Body abrasion resistant particles, which are entered in main channel, to be excluded, so as to avoid solid wear resistant particle accumulation at the rear portion of valve seat.
In the present invention, the surface that the sphere 6, the first valve seat 40, the second valve seat 31 contact with each other is provided with nickel-base alloy
Hard surface coating is formed by thermal jet Welding.Matched somebody with somebody using the technical matters of surface hot spray-welding and the sealing pair of nickel-base alloy
It is right so that the hard surface coating thickness of the sealing surface can reach 800 μm, and hardness can reach 62HRC, and bond strength can
To reach 150MPa, therefore with good wear and corrosion behavior, it can be adapted for high frequency mo occasion.
As shown in figure 3, disc spring 36 is additionally provided between second valve seat 31 and the second bearing 39, the disc spring 36
The valve seat filler 32 of one graphite material is pressed between second valve seat 31 and second valve deck 38.Preferably, along
The axis direction of two valve seats 31 is disposed with valve seat filler 32, spacer ring 33, valve seat filler 34 and washer 35, the washer 35 by
To the pressure of the disc spring 36, because high temperature static seal is needed between valve deck and valve seat, therefore valve seat filler 32,34 uses graphite
Material is separated by the spacer ring 33 and forms two-side sealing.O is additionally provided between second valve seat 31 and second valve deck 38
Type circle 30.VI grades of seal requests of FCI 70-2 can so be met.Certainly, first valve seat 40 and the clutch shaft bearing 9,
The structure claimed in contrast is provided between first valve deck 2.
In the present invention, the top of the valve body 1 is additionally provided with the first pressing plate 16 and the second pressing plate 13, first pressing plate 16
It is fixedly connected by screw 12 with the valve body 1, second pressing plate 13 is fixed by screw 15 and first pressing plate 16 to be connected
It connects, the valve rod 14 is pressed on the valve body 1 by first pressing plate 16, and the rod handle of the valve rod 14 passes through first pressing plate
16 and second pressing plate 13, stuffing-box 37 is provided between the valve rod 14 and first pressing plate 16, is arranged in parallel in
The axis of the valve rod 14.
A receiving space is formed between the valve rod 14 and first pressing plate 16, second pressing plate 13, is inside equipped with
Scraper 17, Graphite pad 18, pressing sleeve 19, the first gasket 20, pressing plate 41, the first bushing 21, the stuffing-box 37 with filler 22, the
Two bushings 23, washer 24, the second gasket 25, O-ring 26, the first thrust pad 27,28 and second thrust pad 29 of graphite annulus, along described
The axis direction of valve rod 14 is set gradually from top to bottom, and the filler is mixed by PTEE and graphite.Preferably, the scraper
17th, Graphite pad 18,19 and first gasket 20 of pressing sleeve are arranged between the valve rod 14 and second pressing plate 13, the pressing plate
41 are arranged between the pressing sleeve 19 and first pressing plate 16, first bushing 21, stuffing-box 37, the second bushing 23, pad
24 and first thrust pad 27 of circle is arranged between the valve rod 14 and first pressing plate 16, second gasket 25 and O-ring
26 are arranged between first pressing plate 16 and the valve body 1, and 28 and second thrust pad 29 of graphite annulus is arranged at the valve
Between bar 14 and the valve body 1.
In the present invention, since the raw material of the process of coal gasification is coal dust, so scraper 17 plays the role of an oil sealing, prevent
Only coal dust outside ball valve by entering inside ball valve.The Graphite pad 18 equally plays a sealing function.It is filled out in the present invention
Filler 22 in material letter 37 is that PTEE and graphite are mixed, and is to need dynamic sealing because of valve rod 14 herein, and in the present invention
Employ double-deck packing seal.The first thrust pad 27 is provided in the present invention, 28 and second thrust pad 29 of graphite annulus plays axis
The effect held further prevents rocking for valve rod 14, greatly reinforces the sealing effect of the present invention.Certainly, it is any to cast out wherein
One component changes bad technical solution, all within protection scope of the present invention.
In the present invention, screw, nut, stud, pin, support plate, bearing, gasket, valve seat filler, spacer ring, washer, O-shaped
Circle etc. there are two or more than two similar layout and application, do not show one by one in this specification.
Still there are many embodiment, all technical sides formed using equivalents or equivalent transformation by the present invention
Case is within the scope of the present invention.
Claims (10)
1. the harsh operating mode hard seal fixing ball valve of coal gasification, including valve body（1）, the first valve deck（2）, the second valve deck（38）, valve rod
（14）, sphere（6）, the first valve seat（40）, the second valve seat（31）；The valve body（1）, the first valve deck（2）, the second valve deck（38）Phase
It mutually fixes and forms a sprue；The sphere（6）It is arranged in the sprue of three's formation, and by being disposed thereon
The valve rod（14）It controls and then selects closing or penetrate through the sprue, it is characterised in that：The sphere（6）It is arranged at institute
State the first valve seat（40）With second valve seat（31）Between and be arranged to sealing pair pairing, first valve seat（40）It is opposite
The valve body（1）Outside be provided with clutch shaft bearing（9）, second valve seat（31）Relatively described valve body（1）Outside set
It is equipped with the second bearing（39）, the clutch shaft bearing（9）It is arranged at first valve deck（2）Inside, the second bearing
（39）It is arranged at second valve deck（38）Inside, the clutch shaft bearing（9）, the second bearing（39）Respectively with described
One valve deck（2）, second valve deck（38）Coaxial line, the clutch shaft bearing（9）, second bearing（39）It is described respectively at being close in
First valve seat（40）, the second valve seat（31）End face on grooved hole is set（42）.
2. the harsh operating mode hard seal fixing ball valve of coal gasification according to claim 1, it is characterised in that：The slot（42）
It is distributed on the clutch shaft bearing（9）, second bearing（39）End face on, first valve seat is close in the end face（40）,
Two valve seats（31）Lateral surface, the slot（42）One is recessed for accommodating the receiving space of solid particle.
3. the harsh operating mode hard seal fixing ball valve of coal gasification according to claim 2, it is characterised in that：The receiving space
It is wedge shaped, it is inclined-plane toward the one side of sprue.
4. the harsh operating mode hard seal fixing ball valve of coal gasification according to claim 1, it is characterised in that：The sphere（6）、
First valve seat（40）, the second valve seat（31）The surface to contact with each other is provided with nickel-base alloy hard surface coating, by thermal jet welder
Skill is formed.
5. the harsh operating mode hard seal fixing ball valve of coal gasification according to claim 1, it is characterised in that：Second valve seat
（31）With the second bearing（39）Between be additionally provided with disc spring（36）, the disc spring（36）By the valve seat filler of a graphite material
（32）It is pressed in second valve seat（31）With second valve deck（38）Between.
6. the harsh operating mode hard seal fixing ball valve of coal gasification according to claim 5, it is characterised in that：Along the second valve seat
（31）Axis direction be disposed with valve seat filler（32）, spacer ring（33）, valve seat filler（34）And washer（35）, the washer
（35）It is subject to the disc spring（36）Pressure, the valve seat filler（32、34）It is graphite material, by the spacer ring（33）It separates
Form two-side sealing；Second valve seat（31）With second valve deck（38）Between be additionally provided with O-ring（30）；Described first
Valve seat（40）With the clutch shaft bearing（9）, the first valve deck（2）Between be provided with the structure claimed in contrast.
7. the harsh operating mode hard seal fixing ball valve of coal gasification according to claim 1, it is characterised in that：The sphere（6）
With the valve body（1）Between be provided with support plate（8）, the support plate（8）With the sphere（6）Between be provided with bearing（7）.
8. the harsh operating mode hard seal fixing ball valve of coal gasification according to any one of claims 1 to 7, it is characterised in that：It is described
Valve body（1）Top be additionally provided with the first pressing plate（16）With the second pressing plate（13）, first pressing plate（16）Pass through screw（12）
With the valve body（1）It is fixedly connected, second pressing plate（13）Pass through screw（15）With first pressing plate（16）It is fixedly connected,
First pressing plate（16）By the valve rod（14）It is pressed in the valve body（1）On, the valve rod（14）Rod handle through described the
One pressing plate（16）With second pressing plate（13）, the valve rod（14）With first pressing plate（16）Between be provided with stuffing-box
（37）, it is arranged in parallel in the valve rod（14）Axis.
9. the harsh operating mode hard seal fixing ball valve of coal gasification according to claim 8, it is characterised in that：The valve rod（14）
With first pressing plate（16）, second pressing plate（13）Between form a receiving space, in be equipped with scraper（17）, graphite pads
Piece（18）, pressing sleeve（19）, the first gasket（20）, pressing plate（41）, the first bushing（21）, have filler（22）Stuffing-box（37）、
Second bushing（23）, washer（24）, the second gasket（25）, O-ring（26）, the first thrust pad（27）, graphite annulus（28）With second
Thrust pad（29）, along the valve rod（14）Axis direction set gradually from top to bottom, the filler is mixed by PTEE and graphite
It is made.
10. the harsh operating mode hard seal fixing ball valve of coal gasification according to claim 9, it is characterised in that：The scraper
（17）, Graphite pad（18）, pressing sleeve（19）With the first gasket（20）It is arranged at the valve rod（14）With second pressing plate（13）
Between, the pressing plate（41）It is arranged at the pressing sleeve（19）With first pressing plate（16）Between, first bushing（21）, fill out
Expect letter（37）, the second bushing（23）, washer（24）With the first thrust pad（27）It is arranged at the valve rod（14）With the described first pressure
Plate（16）Between, second gasket（25）And O-ring（26）It is arranged at first pressing plate（16）With the valve body（1）It
Between, the graphite annulus（28）With the second thrust pad（29）It is arranged at the valve rod（14）With the valve body（1）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432881.4A CN108119688B (en) | 2017-12-26 | 2017-12-26 | Hard sealing fixed ball valve for severe coal gasification working condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432881.4A CN108119688B (en) | 2017-12-26 | 2017-12-26 | Hard sealing fixed ball valve for severe coal gasification working condition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108119688A true CN108119688A (en) | 2018-06-05 |
| CN108119688B CN108119688B (en) | 2024-01-02 |
Family
ID=62231748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711432881.4A Active CN108119688B (en) | 2017-12-26 | 2017-12-26 | Hard sealing fixed ball valve for severe coal gasification working condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108119688B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653824A (en) * | 2021-08-13 | 2021-11-16 | 哈电集团哈尔滨电站阀门有限公司 | Scouring-resistant ball valve |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999058884A1 (en) * | 1998-05-12 | 1999-11-18 | Jang Hong Ahn | Ball valve |
| CN102927311A (en) * | 2012-11-10 | 2013-02-13 | 无锡智能自控工程股份有限公司 | One-way sealing top-installing adjusting ball valve |
| CN202955270U (en) * | 2012-11-08 | 2013-05-29 | 西安希佛隆阀门有限公司 | Hard sealing ball valve |
| CN203488775U (en) * | 2013-06-18 | 2014-03-19 | 科普蓝(上海)阀门工业有限公司 | Ball valve with integrated valve rod and ball core |
| CN203686209U (en) * | 2013-11-20 | 2014-07-02 | 无锡智能自控工程股份有限公司 | High-pressure balance type forged switching ball valve with self sealing of fillers |
| CN203718008U (en) * | 2013-12-18 | 2014-07-16 | 雷蒙德（北京）阀门制造有限公司 | Floating type rigid sealing ball valve |
| CN104455509A (en) * | 2014-11-21 | 2015-03-25 | 苏州福润机械有限公司 | Gate valve |
| CN204459250U (en) * | 2015-01-14 | 2015-07-08 | 意阀（苏州）阀门有限公司 | A kind of new type high temperature hard seal ball valve |
| CN204717038U (en) * | 2015-06-19 | 2015-10-21 | 环球阀门集团有限公司 | Novel quick closing valve hard seal fixing ball valve |
| CN105134992A (en) * | 2015-09-14 | 2015-12-09 | 圣博莱阀门有限公司 | PDS high-frequency discharging ball valve |
| US20160265588A1 (en) * | 2015-03-13 | 2016-09-15 | New Way Machine Components, Inc. | Externally pressurized porous media gas bearing for use in valves and preventing fugitive emissions of the same |
| CN206257297U (en) * | 2016-12-19 | 2017-06-16 | 浙江上工阀门有限公司 | High-temperature and high-pressure wearable fixing ball valve |
| CN207740523U (en) * | 2017-12-26 | 2018-08-17 | 福斯流体控制（苏州）有限公司 | The harsh operating mode hard seal fixing ball valve of coal gasification |
-
2017
- 2017-12-26 CN CN201711432881.4A patent/CN108119688B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999058884A1 (en) * | 1998-05-12 | 1999-11-18 | Jang Hong Ahn | Ball valve |
| CN202955270U (en) * | 2012-11-08 | 2013-05-29 | 西安希佛隆阀门有限公司 | Hard sealing ball valve |
| CN102927311A (en) * | 2012-11-10 | 2013-02-13 | 无锡智能自控工程股份有限公司 | One-way sealing top-installing adjusting ball valve |
| CN203488775U (en) * | 2013-06-18 | 2014-03-19 | 科普蓝(上海)阀门工业有限公司 | Ball valve with integrated valve rod and ball core |
| CN203686209U (en) * | 2013-11-20 | 2014-07-02 | 无锡智能自控工程股份有限公司 | High-pressure balance type forged switching ball valve with self sealing of fillers |
| CN203718008U (en) * | 2013-12-18 | 2014-07-16 | 雷蒙德（北京）阀门制造有限公司 | Floating type rigid sealing ball valve |
| CN104455509A (en) * | 2014-11-21 | 2015-03-25 | 苏州福润机械有限公司 | Gate valve |
| CN204459250U (en) * | 2015-01-14 | 2015-07-08 | 意阀（苏州）阀门有限公司 | A kind of new type high temperature hard seal ball valve |
| US20160265588A1 (en) * | 2015-03-13 | 2016-09-15 | New Way Machine Components, Inc. | Externally pressurized porous media gas bearing for use in valves and preventing fugitive emissions of the same |
| CN204717038U (en) * | 2015-06-19 | 2015-10-21 | 环球阀门集团有限公司 | Novel quick closing valve hard seal fixing ball valve |
| CN105134992A (en) * | 2015-09-14 | 2015-12-09 | 圣博莱阀门有限公司 | PDS high-frequency discharging ball valve |
| CN206257297U (en) * | 2016-12-19 | 2017-06-16 | 浙江上工阀门有限公司 | High-temperature and high-pressure wearable fixing ball valve |
| CN207740523U (en) * | 2017-12-26 | 2018-08-17 | 福斯流体控制（苏州）有限公司 | The harsh operating mode hard seal fixing ball valve of coal gasification |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653824A (en) * | 2021-08-13 | 2021-11-16 | 哈电集团哈尔滨电站阀门有限公司 | Scouring-resistant ball valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108119688B (en) | 2024-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102654202B (en) | High-temperature metal hard seal ball valve for granular media | |
| CN109695734A (en) | A kind of efficient hard seal ball valve | |
| CN111022695B (en) | High-temperature graphite sealing titanium alloy ball valve | |
| CN202955270U (en) | Hard sealing ball valve | |
| CN207740523U (en) | The harsh operating mode hard seal fixing ball valve of coal gasification | |
| CN202659948U (en) | High-temperature metal hard sealing ball valve for granular medium | |
| CN108119688A (en) | The harsh operating mode hard seal fixing ball valve of coal gasification | |
| CN101672380A (en) | Pneumatic coal injection cutting ball valve | |
| CN208719405U (en) | A kind of dedicated hard sealing lock hopper moushroom valve of coal chemical industry | |
| CN209469823U (en) | A kind of efficient hard seal ball valve | |
| CN101225886A (en) | Regulating valve special for chlorine | |
| CN104197028B (en) | Adjustable all-metal bidirectional hard seal type eccentric butterfly valve | |
| CN103711925A (en) | Pressure balance type inverted cock valve | |
| CN210531661U (en) | Single-valve-seat full-lining ceramic ball valve | |
| CN202768868U (en) | Protection-type soft seal valve core structure | |
| CN203202254U (en) | Double-eccentric and bidirectional metallic seal butterfly valve | |
| CN203146844U (en) | Ceramic butterfly valve | |
| CN106402413B (en) | A kind of heavy caliber low-load double eccentric butterfly valve | |
| CN101915321A (en) | Ball valve | |
| CN208041201U (en) | Tiny flow quantity V-type regulation ball valve | |
| CN219366864U (en) | Novel anti-lock wear-resistant ball valve | |
| CN205745346U (en) | A kind of heavy caliber low-load double eccentric butterfly valve | |
| CN203516818U (en) | Integral type jacket thermal insulation ball valve | |
| CN215172413U (en) | High-pressure-difference wear-resistant emergency cut-off ball valve | |
| CN210770364U (en) | Corrosion-resistant high-temperature-resistant ceramic ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |