CN108036072A - Pneumatic hydraulic seal wear-resistant ball valve - Google Patents
Pneumatic hydraulic seal wear-resistant ball valve Download PDFInfo
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- CN108036072A CN108036072A CN201711084011.2A CN201711084011A CN108036072A CN 108036072 A CN108036072 A CN 108036072A CN 201711084011 A CN201711084011 A CN 201711084011A CN 108036072 A CN108036072 A CN 108036072A
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- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000013461 design Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 3
- 235000013312 flour Nutrition 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract description 2
- 229920005591 polysilicon Polymers 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 8
- 239000011229 interlayer Substances 0.000 description 8
- 229920002545 silicone oil Polymers 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 244000227633 Ocotea pretiosa Species 0.000 description 1
- 235000004263 Ocotea pretiosa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
- F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
- F16K31/1635—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating 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
- 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
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
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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
- 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
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
-
- 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
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/205—Sealing effected by the flowing medium
- F16K5/207—Sealing effected by the flowing medium using bellows
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of " Pneumatic hydraulic seal wear-resistant ball valve ", it belongs to the innovation and creation in terms of coal chemical industry and polysilicon chemical field Special valve.Its task is directed on existing on-line equipment, the lock hopper valve, the lock slag valve that use, also silica flour valve, its fluctuation of service, the outstanding problems such as valve service life is short, the novel valve of development.Novel valve provided by the invention, bellows ring taps or so valve body is respectively provided with center valve body both sides, its inside respectively sets a set of bellows ring taps formula hydraulic packing valve seat, and into contact sphere that can be movable, it is sealed the seat design by hydraulic control.In sphere turning course, valve seat does not produce friction with sphere, and only when valve is closed, valve seat and sphere ability obvolvent, form reliable sealing.Therefore life of valve is guaranteed, valve opening, close moment very little, and operation is time saving, laborsaving.
Description
Pneumatic hydraulic seal wear-resistant ball valve, it is the innovation and creation belonged in terms of extraordinary ball valve.Its main task is to be directed to
Existing coal chemical engineering equipment and polysilicon chemical plant installations, also has steel mill's ore pulp operating mode device etc., the external Special valve of introduction with
And the Special valve to domesticize, it can not meet above-mentioned working condition requirement in use, the device technique complicated condition, operating mode
Very severe, it is harsh to the technical requirements of equipment, therefore the key equipment in device uses imported product.In nearly 10 years make
With the middle imported valve service life, do not reach actual 20000 service lifes of online actions, especially lock hopper valve, lock slag valve, also have silica flour
Valve, its operation troubles take place frequently, and seriously affect the normal production of whole device.When these valves were used by 1 year, some is even
Some months, will go wrong：First, valve opening, closing rotating torque are excessive, sphere switch is not in place, valve seat occlusion ball
Face, chop phenomenon is serious, and it is stuck to easily cause sphere.Second, even if not stuck, also there is heavy wear with sphere, pulls now in valve seat
As being allowed to sealing surface failure, leakage rate severely exceeds.Therefore stop once there are these problems it is necessary to initiating device, just can be with
Replace valve.Such parking is no doubt understood, very big economic loss will be caused to enterprise, in order to avoid involuntary stoppage, is successively had several
Domestic valve plant of family, production domesticization innovation is carried out to imported valve, it applies spraying technology, and sphere and valve seat are sprayed hard alloy,
With the reinforcing abrasion part service life, certain effect is had been received by present, but it is undesirable, still without elimination life of valve hidden danger, so
Say to thoroughly solve the problems, such as exist, then there must be new strategic structural in valve design structure, can just make hard seal ball
The key technique problem of valve is solved.
In conclusion by the investigation on the spot to Special valve process unit, valve is dissected find out there are the problem of, be
Medium, which contains big and small hard particles and is entrained in high-velocity fluid, to be flowed, and trim is produced and hits and washes away, makes valve seat
Surface is contacted with sphere and produces heavy wear, this outer seat occlusion sphere, chop phenomenon is also seriously the master for damaging life of valve
Want reason.It can meet special operation condition requirement for this reason, the present invention develops one kind first and make valve service life guaranteed.
It applies hydraulic transfering principle, there is provided two sets of each combinations " bellows ring taps formula hydraulic packing valve seat ", this two sets
" bellows ring taps formula hydraulic packing valve seat " all same on properity, and two seat designs into can activity connect
Sphere is touched, it is reliable by hydraulic control clutch, valve seal.At the same time, by sphere both sides spherical design truncated cone-shaped in echelon
Shape, and ball seal land portions are designed in round platform in the following, reaching sealing effect with valve seat mating spherical surfaces.In addition, the two is adopted
Coordinated with new construction, its purpose is to reduce contact of the valve seat with sphere to produce abrasion, so as to be played to extending life of valve
Certain effect.Ball design of the present invention is hard sealing into lower shaft hole Fixed ball valve, spherome surface spray hard alloy, valve seat is taken
Sphere.Thus a kind of supporting " three cylinder pneumatic device of rack-and-pinion piston " is also provided, the executing agency is by three " T-shaped " air cylinder groups
Into.Wherein double cylinders and gear, rack composition driving mechanism, complete valve switch action, another list cylinder and silicone oil output cylinder
Connect, realize gas-liquid linked lifting oil pressure, be used for the room pressurising of bellows ring taps.The executing agency respectively with two sets of " bellowss
Ring taps formula hydraulic packing valve seat " forms hydraulic pressure transfer control system.Then new " the Pneumatic hydraulic sealing being made of foregoing invention
Wear resistance ball valve ", it is applied on special operation condition, can meet device technique requirement, its 320 DEG C of heatproof of energy, and is not stressed
Limited with bore, be particularly suitable for harsh mixture condition, the fixed sphere of the present invention in 90 degree transfer processes of open and close, valve seat and
Sphere carries gap all the time, does not produce the sassafras that rubs, and when only sphere goes to closed position, valve seat ability obvolvent sphere, forms effectively close
Envelope.Therefore the unlatching of novel hydraulic seal ball-valve, close moment very little, operation are time saving, laborsaving.It revolutionizes existing ball valve
Structural behaviour, fundamentally solve extraordinary ball valve there are the drawbacks of, while also ensure that service life, thus be greatly improved
Productivity effect.
Upper valve rod tight fit is inserted into sphere upper end hexagonal valve rod hole by the present invention, is allowed to firmly integral.Its sphere upper end
Heavy platform axis hole is additionally provided with, is inserted into by bonnet, axle sleeve in axis hole, by sphere rotational positioning.Lower valve shaft is with the insertion sphere that is rotatably assorted
Lower shaft hole, its lower valve shaft is again to be tightly fixed on center valve body and bottom flange, and thus lower valve shaft can be considered sphere rotation axis,
Therefore by the positioning to two above axis, sphere will be made firmly to control, and sphere revolution is driven by upper valve rod.It is such as attached
Shown in Fig. 1.
The present invention is respectively equipped with big, a two small three ladders counterbores inside left and right valve body inlet and outlet, its inside is amplified respectively
Small corrugated pipe, let it be that one end is welded between left and right valve body and outer liner tube in interlayer for ripplet, and the other end is welded in valve seat ring taps
Between internal lining pipe in interlayer, similarly, big ripple pipe one end is welded between valve seat ring taps and inner shield ring in interlayer, other end weldering
It is connected on outside big counterbore end in baffle ring and support ring interlayer, and outer baffle ring is finally welded into one with the big counterbore outer of left and right valve body
Body.It follows that big by one, a small corrugated pipe is welded with left and right valve body, interior outer liner tube, valve seat ring taps, support ring, inside and outside baffle ring group
Afterwards, then sealing ring taps floating valve seat is formed, ring taps valve seat provides seal pressure with regard to distending for sealing surface during compression.The present invention exists
Center valve body both sides are equipped with mobilizable left and right valve seat, it leans on valve seat ring taps hydraulic drive, and the valve seat ring taps is with bellows
Mobile, when the valve is closed, " three cylinder pneumatic device of rack-and-pinion piston " begins with hydraulic oil output, enters bellows through oil pipe
Valve seat ring taps room, by hydraulic oil distending, big ripple pipe is shunk valve seat ring taps at this time, and small corrugated pipe is stretched out, then promote valve seat with
Sphere is tightly engaged into, and forms effectively sealing.In addition valve seat ring taps action is controlled by hydraulic pressure silicone oil, valve seat is formed with sphere
Disengaging type acts, i.e. for sphere during open and close, valve seat is to separate with sphere, when only valve is closed, valve seat and sphere
It is tightly engaged into, forms reliable sealing.
The present invention is equipped with bonnet, on center valve body, is equipped with stuffing-box in its bonnet, bonnet, passes through stud, spiral shell
Mother is integrally fixed with center valve body.Stent is equipped with bonnet, supporting " rack-and-pinion piston is provided with above its stent
Three cylinder pneumatic devices ", which is integrally fixed by stent, bolt and bonnet, at the same connector sleeve upper valve rod with
Output shaft is integrally bonded, and synchronizes them revolution." three cylinder pneumatic device of rack-and-pinion piston " uses gear, rack and double-piston
Cylinder composition driving executing agency, completes valve switch revolution action.In addition oil cylinder booster mechanism, using gas-liquid linked mode,
Single cylinder is joined together with oil cylinder, is screwed on gear, rack babinet installing plate (flange), then forms three cylinders
" T-shaped " executing agency, single cylinder piston push rod back pressure, promotes the movement of oil cylinder valve piston, realizes that hydraulic pressure silicone oil is pressurized, is carried for valve seat
For seal pressure.Therefore, small equipped with one on the babinet left side, one is big, and oil gas single cylinder booster body, it is the output of hydraulic pressure silicone oil
Source, the structure are fixed on cylinder end piece by screw rod, its oil cylinder lifting oil pressure, comes real by cylinder piston push rod boosting valve piston
Now it is pressurized.Be respectively provided with single cylinder in above-mentioned babinet upper and lower surface, they are fixed on box flange with screw rod, two piston rods with
Rack round pin nail is serially connected, and during work, synchronous drive gear rotates, and band ovable valve stem also rotates therewith.
Duplex cylinder action of the present invention is that valve is gone to off-position (or close to open) from open position.Single cylinder action is the small work of boosting
Plug allows oil cylinder to boost, and the action of single, double cylinder in the process is controlled by gas circuit, substep work, and therefore, it realizes valve
Door is without frictional rotation efficiency.In use, solenoid valve F1 is set to establish formula (valve power failure state one is placed in the off), solenoid valve by cable
F1 is not charged, its gas port 4 has air pressure output, is acted to Pneumatic valve F2, gas port 4 has air pressure output therewith, which divides two-way：One
Upper and lower air cylinders A confession gas is given on road, and another way is supplied to the gas port 1 of axis control valve F3, at this time double cylinder piston rod push-and-pull racks, driving
Gear rotates clockwise, and when valve goes to closed position, axis control valve F3 is controlled and opened by cam, and at this moment gas port 4 has air pressure
Output, supplies to Pneumatic valve F4, then Pneumatic valve F4 is acted, and gas port 4 has air pressure output, feeds left cylinder C mouths Room 2, promotes piston
It is moved to the left with push rod, then push rod starts boosting valve piston, the hydraulic oil of cylinder chamber is boosted, to meet that valve closes sealing
It is required that.(it is installed on beside box cover output shaft above-mentioned axis control valve F3, is equipped with cam on output shaft, axis control valve is by cam control
System switch, realizes that silicone oil is pressurized when valve is closed, silicone oil release during unlatching, therefore has two functions).Work as valve opening
When, solenoid valve F1 is powered, which exports without air pressure, then Pneumatic valve F2 starts switching gas circuit, and gas port 4 is exported without air pressure, together
When axis control valve gas port 4 also exported without air pressure, Pneumatic valve F2 and Pneumatic valve F4, starts switching gas circuit, allows two valve gas ports 2 to have gas at this time
Pressure output, Pneumatic valve F2 feed double upper Room 1 of B mouthfuls of cylinder and lower Room 1, and Pneumatic valve F4 feeds list cylinder D mouths Room 1, and gas pressure exists
On piston, by oil cylinder release, valve-opening position is caused.As shown in Figure 2
Compact-sized, novel and unique of the invention, good seal performance, using reliable, operation is light, and control is flexible, it is realized
Valve seat is with sphere without frictional fit, thus valve rotating torque is small, service life length, is at present preferably across the typical case in epoch
Good product.
Figure of description 1 is the structural main section view of the present invention.In figure：1. center valve body；2. outer baffle ring；3. support ring；
4. big ripple pipe；5. inner shield ring；6. valve seat ring taps；7. small corrugated pipe；8. left valve barrel；9. hard seal valve seat；10. sphere；In 11.
Bushing pipe；12. outer liner tube；13. bonnet,；14. filler；15th, 18,35,40,46,48. nut；16th, 19,36,41,47,49. spiral shell
Column；17. filler pressing sleeve；20. oil cylinder；21. left cylinder；22nd, 51. lock nut；23rd, 52. adjusting screw；24. position concave wheel；
25. rack；26. cover board；27. gear；28. output shaft；29. duplex bearing；30. block；31. off-position lock nut；32. off-position limits
Position screw；33. babinet；34. oil pipe；37. connector sleeve；38. stent；39. hold-down grid；42. upper valve rod；43. tubing interface；
44. right valve barrel；45. silk plug；50. lower valve shaft；53. bottom flange.
Fig. 2 is the sectional view of A-A in Fig. 1.In figure：54. lower cylinder lid；55. silk plug；56th, 60,63.O shape circles；57、65、
70. nut；58th, 64,69. screw rod；59. lower piston；61st, 75. interior angle screw；62. left cylinder cylinder；66. left piston bar；67. oil cylinder
Cylinder；68. valve piston；71. oil cylinder cover；72. left piston；73. left cylinder lid；74. left cylinder bottom plate；76. straight pin；77. upper cylinder half
Cylinder；78. upper piston rod；79. upper cylinder lid；80. upper piston；Heavy cylinder seat on 81.；25. rack；82. upper cylinder bottom plate；27. tooth
Wheel；31. off-position lock nut；32. off-position stop screw；28. output shaft；83. open position lock nut；84. open position stop screw；
33. babinet；85. lower cylinder bottom plate；86. sinking cylinder seat；87 lower piston rods；88. lower cylinder barrel.
Fig. 3 is the partial enlarged view of I in Fig. 1.In figure：5. inner shield ring；4. big ripple pipe；8. left valve barrel；2. outer baffle ring；
10. sphere；3. support ring；9. hard seal valve seat；6. valve seat ring taps；11. internal lining pipe；7. small corrugated pipe；12. outer liner tube.
Fig. 4 is gas circuit control figure in Fig. 2.In figure：F1 is two-position-five-way solenoid valve；F2, F4 are two-position five-way Pneumatic valve；F3
For two-position five-way axis control valve (mechanical), it is installed on above " three cylinder pneumatic device of rack-and-pinion piston " cover board 26, by exporting
Axis 28 drives cam-operated switch.
Note：Bellows ring taps formula hydraulic packing valve seat：By left valve barrel 8；Interior outer liner tube 11,12；Small corrugated pipe 7；Valve cup ring
Plug 6；Hard seal valve seat 9；Support ring 3；Inside and outside baffle ring 5,2 and big ripple pipe 4 etc. form.Wherein its one end weldering of small corrugated pipe 7
It is connected between left valve barrel and outer liner tube in interlayer, the other end is welded between valve seat ring taps and internal lining pipe in interlayer, similarly, big ripple
One end of pipe 4 is welded between valve seat ring taps 6 and inner shield ring 5 in interlayer, and the other end is welded on baffle ring 2 and branch outside big counterbore end
Hold in 3 interlayers of circle, and outer baffle ring 2 and the big counterbore outer of left valve barrel 8 are finally integrally welded, then form sealing ring taps float trap
Seat.In addition oil circuit through hole is equipped with left valve barrel 8, which communicates through tubing interface 43 with oil pipe 34, can carry out oil pressure transmission.
As shown in attached drawing 1 and attached drawing 3.
Above-mentioned each component is symmetric design in valve body both sides, therefore formation side is a set of, its properity all same,
Here only by taking " bellows ring taps formula hydraulic packing valve seat " on left side valve body 8 as an example, the critical piece of its composition is illustrated.It is such as attached
Shown in Fig. 1.
Its operation principle is illustrated to the embodiment of the present invention below in conjunction with the accompanying drawings.
1. valve is closed：
The power-off signal sent by control room, gives solenoid valve F1 dead electricity, and solenoid valve F1, which is switched to gas port 4, air pressure output,
Acted to Pneumatic valve F2, gas port 4 has air pressure output therewith, which divides two-way：Upper and lower air cylinders A confession gas, another way are given all the way
Gas port 1 to axis control valve F3 supplies (the temporary transient attonity of the valve, no air pressure output), enters gas by the air pressure of cylinder A confessions at this time
Cylinder upper chamber 2 and lower room 2, then upper lower piston 80,59, which is pressurized, is pushed to movement, and upper lower piston rod 78,87 is also upward together therewith
Mobile, push-and-pull 25 drive gear 27 of rack rotates clockwise, when going to valve-closed position, by off-position stop screw 32
Block 30 blocks gear 27, is allowed to stop operating.At the same time, the valve rod of axis control valve F3 is depressed and opened by cam, at this moment should
Valve gas port 4 has air pressure output, is supplied to Pneumatic valve F4, then Pneumatic valve F4 is acted, and gas port 4 has air pressure output, feeds C mouthfuls of left cylinder
Room 2, promote left piston 72 and left piston bar 66 to be moved to the left, and then left piston bar 66 starts boosting valve piston 68, makes cylinder chamber
Hydraulic oil boost rapidly, bellows valve seat ring plug room is delivered to through left and right oil pipe 34, due to the effect of hydraulic pressure, big ripple pipe 4
Being compressed, small corrugated pipe 7 and valve seat ring taps 6 are promoted hard seal valve seat 9 and the close obvolvent of sphere, are formed effectively sealing by distending,
So far valve is closed, and meets zero leakage seal request.
2. during valve opening：
The power on signal sent by control room, powered to solenoid valve F1, valve gas circuit commutation, gas port 4 is exported without air pressure, then
Pneumatic valve F2 starts gas circuit commutation, and gas port 4 is exported without air pressure, while axis control valve F3 gas ports 4 are also exported without air pressure, at this moment Pneumatic valve
Also at the same time and Pneumatic valve F2 switching gas circuits, then two valve gas ports 2 have air pressure output to F4, Pneumatic valve F2 infeed B mouthfuls of upper chambers 1 of upper and lower air cylinders
With lower room 1, Pneumatic valve F4 feeds left cylinder D mouths Room 1, and since single, double cylinder intake air quantity is different, upper and lower air cylinders are compared in left cylinder Room 1
Chamber vol is small, its act will jump ahead, this is highly beneficial to valve programme-control, is to unload valve seat to take off with sphere first
Open, sphere 10 is then gone into valve-opening position again, gear 27 is blocked by the block 30 on open position stop screw 84, is allowed to stop
Rotation stop is moved, and so far valve opening finishes.In above-mentioned action process, when before valve opening, single cylinder air pressure is by left piston
72 and left piston bar 66 push to right side, lean against on left cylinder bottom plate 74, at this moment valve piston 68 follows left piston bar 66 to move right,
Pressure is discharged, makes the rapid release of oil cylinder.At the same time, the hydraulic oil of bellows valve seat ring plug room is quickly returned to cylinder chamber, then
Small corrugated pipe 7 is shunk, and big ripple pipe 4 is stretched out, and valve seat ring taps 6 is relaxed withdrawal, and then hard seal valve seat 9 takes off with sphere
Open, the upper lower piston rod 78,87 of double cylinders pushes and pulls rack and moves down therewith, and the driving of gear 27 is rotated counterclockwise, causes valve opening
Position.This outer shaft control valve F3 is after valve opening, and the cam that it is output on axis 28 is separated and closed, and gas port 4 is exported without air pressure,
Therefore meet Pneumatic valve F4 controls and require.
Of the invention " Pneumatic hydraulic seal wear-resistant ball valve " is change to existing ball valve matter extraordinary both at home and abroad and tremendous
Lifting, while the innovation point is high, has achieveed the purpose that production domesticization, this novel hydraulic seal ball-valve, thoroughly solves
Ball valve is not wear-resisting, and moment of torsion is excessive, poor sealing performance, the outstanding problems such as service life is short.It will become valve industry from now on
Leading products, particularly to coal chemical industry and silica flour apparatus-valve, its meaning is very great, its market prospects is good, highly practical,
It is the forward-looking new high-tech product across the epoch.
Claims (1)
1. Pneumatic hydraulic seal wear-resistant ball valve, mainly includes：Center valve body (1)；Outer baffle ring (2)；Support ring (3)；Big ripple pipe
(4)；Inner shield ring (5) valve seat ring taps (6)；Small corrugated pipe (7)；Left valve barrel (8)；Hard seal valve seat (9)；Sphere (10)；Internal lining pipe
(11)；Outer liner tube (12)；Bonnet, (13)；Filler (14)；Oil cylinder (20)；Left cylinder (21)；Lock nut (22)；Adjusting screw
(23)；Position concave wheel (24)；Rack (25)；Cover board (26)；Gear (27)；Output shaft (28)；Duplex bearing (29)；Block (30)；
Off-position lock nut (31)；Off-position stop screw (32)；Babinet (33)；Oil pipe (34)；Connector sleeve (37)；Stent (38)；Nut
(40)；Stud (41)；Upper valve rod (42)；Right valve barrel (44)；Lower valve shaft (50)；Adjust stud (52)；Bottom flange (53)；Lower cylinder
Cover (54)；Nut (57,65,70)；Screw rod (58,64,69)；Lower piston (59)；Left cylinder cylinder (62)；Left piston bar (66)；Oil cylinder
Cylinder (67)；Valve piston (68)；Oil cylinder cover (71)；Left piston (72)；Left cylinder lid (73)；Left cylinder bottom plate (74)；Straight pin
(76)；Upper cylinder barrel (77)；Upper piston rod (78)；Upper cylinder lid (79)；Upper piston (80)；Upper heavy cylinder seat (81)；Upper cylinder bottom plate
(82)；Open position lock nut (83)；Open position stop screw (84)；Lower cylinder bottom plate (85)；Sinking cylinder seat (86)；Lower piston rod
(87)；Lower cylinder barrel (88) etc. forms, it is characterised in that：
Center valve body (1) both sides are respectively provided with corrugated pipe ring plug valve body (8,44), inside their valve bodies inlet and outlet, are respectively equipped with one
Greatly, two small three ladders counterbore, is respectively provided with 2 through holes on the big counterbore wall of left and right valve body (8,44) in addition, leads to oil above, arrange below
Gas；By in the left and right valve body (8,44) it is each set it is one big, a small corrugated pipe and left and right valve body (8,44), interior outer liner tube (11,
12), valve seat ring taps (6), support ring (3), inside and outside baffle ring (5,2) carry out a group postwelding, then form sealing ring taps floating valve seat, the group
One end of small corrugated pipe (7) and left and right valve body (8,44) and outer liner tube (12) are welded using docking in part, the other end and valve cup ring
Plug (6) and internal lining pipe (11) are welded using side joint；One end of big ripple pipe (4) uses side with valve seat ring taps (6) and inner shield ring (5)
Connect and be welded, the other end is also welded with outer baffle ring (2) and support ring (3) using side joint, and the outer baffle ring (2) is finally heavy greatly with valve body
Hole outer is integrally welded, is allowed to be formed the bellows valve seat ring plug room with pressure-resistant seal；
The valve seat ring taps (6) is designed as annular socket shape, there is size counterbore on its inner circle two sides, is justified by raised shoulder and separates, greatly
Counterbore puts small corrugated pipe (7), and small counterbore inlays hard seal valve seat (9), and the hard seal valve seat (9) is set using two kinds of sealing surfaces
Meter, i.e.,：One kind is ball face sealing, and another kind is conical surface seal, according to operating mode complexity during use, selects one salable；
Interior outer liner tube (the 11,12) joint, using bridging method, interior outer liner tube (11,12) is engaged, and and medium flow field
Logical direction matches, and it is blocked in medium intrusion bellows, influences to use；
Fixed sphere (10) is equipped with center valve body (1), it is equipped with boss above, and heavy platform axis hole is equipped with inside boss, below
Hexagonal valve rod hole is additionally provided with, axis hole is arranged below in sphere (10), the inside studs with axle sleeve, and lower valve shaft (50) is with the insertion that is rotatably assorted
Kong Zhong, again to be tightly fixed on center valve body (1) and bottom flange (53), the bottom flange (53) is equipped with its lower valve shaft (50)
Adjust stud (52), it be used for adjust sphere (10) between the upper and lower away from；
Sphere (10) both sides spherical design truncated conical shape, and the design of ball seal land portions is under round platform in echelon
Face, reaches sealing effect with valve seat mating spherical surfaces.
Bonnet, (13) top is equipped with stuffing-box, and lower part is equipped with positioning shaft sleeve, it is to be rotatably assorted in insertion heavy platform axis hole, in addition
Bonnet, (13) is equipped with 2 boss and flange above, is cylindrical shape below the flange, and sealing surface is equipped with convex-concave composition surface,
8 stud bolt holes are additionally provided with the bonnet, (13), it is docked with center valve body (1) wire hole, with stud (41), nut
(40), it is fixed on intermediate valve (1), and the upper valve rod (42) passes through bonnet, (13), upper valve rod (42) place of being vertically connected with is set
There is turret head, its underpart is integrally bonded with sphere (10) hexagon ring, and drives sphere (10) to turn round；
Stent (38) is equipped with three cylinder pneumatic device of rack-and-pinion piston above, it is by driving executing agency and oil cylinder booster mechanism group
Into driving mechanism babinet (33) is interior to be equipped with adjusting screw (23)；Position concave wheel (24)；Rack (25)；Gear (27) output shaft
(28)；Duplex bearing (29)；Block (30) and off-position stop screw (32), its middle rack (25) are pushed and pulled by double piston-rod (78,87)
Drive gear (27) turns round；Lower cylinder bottom plate (85) is arranged below in driving mechanism babinet (33)；Sinking cylinder seat (86)；Lower piston rod
(87)；Lower cylinder barrel (88)；Lower piston (59)；Lower cylinder lid (54)；The babinet (33) is above to be symmetrical arranged with lower member,
Upper cylinder bottom cover (82) is again provided with above；Upper heavy cylinder seat (81)；Upper piston (80)；Upper cylinder lid (79)；Upper piston (78)；On
Cylinder barrel (77) etc. forms, and wherein upper lower piston (50,47) is formed one by double piston-rod (78,87) by screw thread, by described double
Piston rod (78,87), then rack (25) is concatenated by upper lower cylindrical pin (76), lower piston (78,87) links in formation, with upper and lower cylinder
Cylinder (77,88) coordinates output power；
Babinet (33) left side is oil cylinder booster mechanism, which is equipped with left cylinder bottom plate (74)；Left cylinder cylinder (62)；Left piston
(72)；Left piston bar (66)；Left cylinder lid (73)；Cylinder tube (67)；Valve piston (68)；Oil cylinder cover (71) etc. forms, its is medium and small
Piston (68) boosts cylinder chamber, is by cylinder left piston (72) and left piston push rod (66) boosting valve piston (68), comes real
Existing hydraulic oil supercharging, seal pressure is provided for valve；
Babinet (33) shape is prolate cube, its right side is set to convex shape, and upper and lower, left three face frame is set to plane, its
Plane is equipped with connector and flange with square neck short circuit, which passes through screw (61,75) with cylinder bottom cover (82,74,85)
Link into an integrated entity, then " T-shaped " executing agency is fitted to by other components；
Executing agency's gas circuit control figure, is two-position-five-way solenoid valve equipped with F1；F2, F4 are two-position five-way Pneumatic valve；F3 is two
Five axis control valves (mechanical), it is installed on " three cylinder pneumatic device of rack-and-pinion piston " cover board (26) above, by output shaft
(28) cam-operated switch is driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711084011.2A CN108036072A (en) | 2017-10-25 | 2017-10-25 | Pneumatic hydraulic seal wear-resistant ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711084011.2A CN108036072A (en) | 2017-10-25 | 2017-10-25 | Pneumatic hydraulic seal wear-resistant ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108036072A true CN108036072A (en) | 2018-05-15 |
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ID=62092797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711084011.2A Pending CN108036072A (en) | 2017-10-25 | 2017-10-25 | Pneumatic hydraulic seal wear-resistant ball valve |
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| Country | Link |
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| CN (1) | CN108036072A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253273A (en) * | 2018-11-30 | 2019-01-22 | 博纳斯威阀门股份有限公司 | Valve rod horizontal drive formula eccentric half-ball valve |
| CN110346202A (en) * | 2019-07-16 | 2019-10-18 | 西北工业大学 | A kind of high temperature and pressure wear testing testing machine |
| CN110925455A (en) * | 2019-12-31 | 2020-03-27 | 常州市永邦塑业有限公司 | High low temperature self-adaptation's PEEK disk seat |
| CN111156327A (en) * | 2019-12-18 | 2020-05-15 | 白龙山 | Pneumatic hydraulic bellows ring group type wear-resisting ball valve |
| CN111734840A (en) * | 2020-07-06 | 2020-10-02 | 四川精控阀门制造有限公司 | Fixed ball valve with spare wheel valve seat |
| CN112081946A (en) * | 2020-10-09 | 2020-12-15 | 李家豪 | A ball valve with the function of clearing blockages |
| CN115929937A (en) * | 2022-12-28 | 2023-04-07 | 四川凯茨阀门制造有限公司 | A cast steel fixed ball valve structure |
| CN119321486A (en) * | 2024-12-19 | 2025-01-17 | 中鸿阀门股份有限公司 | Hard-seal wear-resistant and scouring-resistant ball valve |
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| CN102418797A (en) * | 2011-06-06 | 2012-04-18 | 白龙山 | High-performance aneroid/piston type ball valve |
| CN102840359A (en) * | 2012-08-17 | 2012-12-26 | 浙江超达阀门股份有限公司 | Ball valve used for high-temperature easily-coking medium |
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| CN1415879A (en) * | 2002-09-19 | 2003-05-07 | 浙江成达特种阀门厂 | Metal seal ball valve for corrugated tube |
| CN102971560A (en) * | 2010-04-30 | 2013-03-13 | 费希尔控制国际公司 | Floating ball valve seal with bellows and C-seal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253273A (en) * | 2018-11-30 | 2019-01-22 | 博纳斯威阀门股份有限公司 | Valve rod horizontal drive formula eccentric half-ball valve |
| CN109253273B (en) * | 2018-11-30 | 2023-09-01 | 博纳斯威阀门股份有限公司 | Valve rod horizontal driving type eccentric hemisphere valve |
| CN110346202A (en) * | 2019-07-16 | 2019-10-18 | 西北工业大学 | A kind of high temperature and pressure wear testing testing machine |
| CN110346202B (en) * | 2019-07-16 | 2021-11-19 | 西北工业大学 | High-temperature high-pressure abrasion test testing machine |
| CN111156327A (en) * | 2019-12-18 | 2020-05-15 | 白龙山 | Pneumatic hydraulic bellows ring group type wear-resisting ball valve |
| CN110925455A (en) * | 2019-12-31 | 2020-03-27 | 常州市永邦塑业有限公司 | High low temperature self-adaptation's PEEK disk seat |
| CN110925455B (en) * | 2019-12-31 | 2021-08-13 | 常州市永邦塑业有限公司 | A high and low temperature adaptive PEEK valve seat |
| CN111734840A (en) * | 2020-07-06 | 2020-10-02 | 四川精控阀门制造有限公司 | Fixed ball valve with spare wheel valve seat |
| CN112081946A (en) * | 2020-10-09 | 2020-12-15 | 李家豪 | A ball valve with the function of clearing blockages |
| CN115929937A (en) * | 2022-12-28 | 2023-04-07 | 四川凯茨阀门制造有限公司 | A cast steel fixed ball valve structure |
| CN119321486A (en) * | 2024-12-19 | 2025-01-17 | 中鸿阀门股份有限公司 | Hard-seal wear-resistant and scouring-resistant ball valve |
| CN119321486B (en) * | 2024-12-19 | 2025-03-28 | 中鸿阀门股份有限公司 | A hard-sealed, wear-resistant and erosion-resistant ball valve |
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Application publication date: 20180515 |
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