CN205331476U - Metal seal abrasion -proof ball valve - Google Patents
Metal seal abrasion -proof ball valve Download PDFInfo
- Publication number
- CN205331476U CN205331476U CN201521064797.8U CN201521064797U CN205331476U CN 205331476 U CN205331476 U CN 205331476U CN 201521064797 U CN201521064797 U CN 201521064797U CN 205331476 U CN205331476 U CN 205331476U
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- Prior art keywords
- valve
- spheroid
- wear resistance
- ball valve
- metal sealing
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 33
- 239000002184 metal Substances 0.000 title claims abstract description 33
- 238000005299 abrasion Methods 0.000 title abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 239000000945 filler Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 10
- 230000008676 import Effects 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 210000004907 gland Anatomy 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 241000169624 Casearia sylvestris Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a pipeline control valve, especially a metal seal abrasion -proof ball valve, including first valve body portion, second valve body portion, valve rod, spheroid, inlet valve seat, export disk seat, dish spring, down the gasket, go up the gasket, down filler, gland packing, go up and pack, pack and press cover, hold down grid, the runner mouth department of spheroidal runner is provided with arc breach A, arc breach B, arc breach A, arc breach B are located and work as the spheroid is crack to be opened in the time of maybe will closing the runner mouth of runner department with that one side of inlet valve seat and the tiny circulation passageway of export disk seat formation. Through new spheroid structure, inlet valve seat structure, sealed design and spheroid guide structure's design, improved the mobile form of medium among the valve opening and closing process, reduced erosion and the wearing and tearing of medium to spheroid and disk seat, improved the sealing performance of valve, reduced operating torque, valve switch motion is more steady, has guaranteed the fail safe nature and the life of valve.
Description
Technology neck city
This utility model provides a kind of pipe control valve, particularly a kind of metal sealing wear resistance ball valve。
Background technology
Ball valve owing to having that flow resistance is little, switch rapidly, good seal performance, long service life, it is simple to gas control and the feature such as automatically controlled, have wide range of applications。Metal sealing wear resistance ball valve is a class important in ball valve, and the advantage with ball valve is particularly well-suited to all kinds of granule medium, such as the coal dust of coal chemical engineering equipment, coal slurry, cinder；Organosilicon, the silica flour of polycrystalline silicon device, silica dust, high-temperature gas；The metal dusts such as the aluminium powder of non-ferrous metal industry, nikel powder；It is simultaneously applicable to the various bad working environments of electric power, steel industry。
Metal sealing wear resistance ball valve is widely used under the bad working environments of granule medium and High Pressure Difference, as easy as rolling off a log occur that switch motion clamping stagnation, spheroid and valve base sealing be tight, sealing surface by erosion and medium from the serious problems of a series of threat equipment safeties such as valve rod leakage。This utility model has done the design of a series of innovation for problem above, to solve switch motion clamping stagnation and sealing problem under bad working environments。
Utility model content
In order to overcome the defect of prior art, a purpose of the present utility model is in that to provide a kind of metal sealing wear resistance ball valve, spheroid runner mouth place adopts unique arc notch design, the flow velocity of media particle during to reduce ball valve switch, reduces media particle washing away and abrasion spheroid and valve seat simultaneously。
Second purpose of the present utility model is in that to provide a kind of metal sealing wear resistance ball valve, its import valve seat have employed the design of outer rim breach, making the pressure medium before valve can enter valve lumen smoothly, more smooth and easy in the flowing of valve switch process medium, action is more steady。
3rd purpose of the present utility model is in that to provide a kind of metal sealing wear resistance ball valve, the lower end of its valve rod is provided with place's cylindrical bump, as the guide and limit structure of valve rod Yu spheroid, increase unnecessary operational torque to avoid producing excessive relative linear displacement between valve rod and spheroid。
4th purpose of the present utility model is in that to provide a kind of metal sealing wear resistance ball valve, valve rod place arranges two places and seals, to fully ensure that the sealing at valve rod place, medium is avoided to leak from valve rod, it is provided with two panels high hardness wear-resisting pad between valve rod and stuffing box simultaneously, thus the moment of friction being effectively reduced between valve rod and stuffing box, it is to avoid valve rod generation clamping stagnation。
For reaching this purpose, this utility model provides following technical scheme:
This utility model provides a kind of metal sealing wear resistance ball valve, including the first valve body, second valve body, valve rod, spheroid, import valve seat, outlet valve seat, disc spring, lower gasket, Upper gasket, lower filler, stuffing box, upper filler, filler pressing sleeve, hold-down grid, the runner mouth place of the runner of described spheroid is provided with arc notch A, arc notch B, described arc notch A, arc notch B is positioned at and opens, when described spheroid is crack, that side that the runner mouth place of runner described when closing and described import valve seat and outlet valve seat are maybe formed tiny circulation passage, thus the flow velocity of media particle when reducing ball valve switch, reduce media particle washing away and abrasion spheroid and valve seat simultaneously。
In a concrete technical scheme, described arc notch A, arc notch B process through reconditioning, to reduce erosion and the abrasion of the stress collection neutralization medium of spheroid runner mouth, it is ensured that the safety of ball valve, reliability and service life。
In the technical scheme that another is concrete, the distribution of described import valve seat outer rim has outer rim breach so that the pressure medium before valve can enter valve lumen smoothly, and more smooth and easy in the flowing of valve switch process medium, action is more steady。
In the technical scheme that another is concrete, described outer rim breach is circular arc。
In the technical scheme that another is concrete, described outer rim breach is for being uniformly distributed。
In the technical scheme that another is concrete, described valve rod lower end is provided with cylindrical bump, as the guide and limit structure between described valve rod and described spheroid, it is to avoid produce excessive relative linear displacement between valve rod and spheroid and increase unnecessary operational torque。
In the technical scheme that another is concrete, described spheroid is provided with circular hole, and described circular hole matches with the cylindrical bump of described valve rod lower end。
In the technical scheme that another is concrete, described stuffing box has upper and lower two filler positions, described upper filler and described lower filler lay respectively in two filler positions in described stuffing box, and the setting that two places seal can fully ensure that the sealing at valve rod place, it is to avoid medium leaks from valve rod。
In the technical scheme that another is concrete, described Upper gasket and described lower gasket it is provided with between described valve rod and described stuffing box, wherein said Upper gasket contacts with described stuffing box and compresses with described lower filler, described lower gasket is pressed in described valve rod and described first valve body, by arranging the moment of friction that two panels pad can be effectively reduced between valve rod and stuffing box, it is to avoid valve rod generation clamping stagnation and have influence on the performance of valve。
In the technical scheme that another is concrete, the material of described Upper gasket and described lower gasket is high hardness wear-resisting alloy。
A kind of metal sealing wear resistance ball valve that the technical program provides, by have employed the sphere structure being provided with arc notch, it is provided with the inlet valve holder structure of outer rim breach, lower end is provided with the valve rod of guide and limit structure, two places that valve rod place is provided with seal the wear-resistant gasket structure being provided with between structure and valve rod and stuffing box, thus having the advantage that the nowed forming improving valve switch process medium, reduce medium to the erosion of spheroid and valve seat and abrasion, improve the sealing property of valve, reduce operational torque, valve switch action is more steady, ensure that the safety of valve, reliability and service life。Meanwhile, this utility model has simple in construction, is prone to processing, is beneficial to the features such as assembling, efficient energy-saving, can be widely applied to the bad working environments of granule medium and High Pressure Difference。
Accompanying drawing explanation
Fig. 1 is the structural representation of metal sealing wear resistance ball valve；
Fig. 2 A is the sphere structure schematic diagram of metal sealing wear resistance ball valve；
Fig. 2 B is the sphere structure sectional view of metal sealing wear resistance ball valve；
Fig. 3 is the inlet valve holder structure schematic diagram of metal sealing wear resistance ball valve；
Fig. 4 is valve rod and the sphere structure schematic diagram of metal sealing wear resistance ball valve。
In figure:
1, the first valve body；2, the second valve body；3, valve rod；4, spheroid；5, import valve seat；6, outlet valve seat；7, disc spring；8, lower gasket；9, Upper gasket；10, lower filler；11, stuffing box；12, upper filler；13, filler pressing sleeve；14, hold-down grid；3-1, valve rod drive block；3-2, cylindrical bump；4-1, arc notch A；4-2, arc notch B；4-3, runner；4-4, rectangular groove；4-5 circular hole；5-1, outer rim breach；5-2, sealing surface；5-3, valve seat runner。
Detailed description of the invention
Being described in more detail below in conjunction with 1～4 pair of this utility model of accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction effect in protection domain of the present utility model。
As shown in Figure 1, the metal sealing wear resistance ball valve that the utility model proposes, including: the valve body being made up of the first valve body 1 and the second valve body 2, , valve rod 3, spheroid 4, import valve seat 5, outlet valve seat 6, disc spring 7, lower gasket 8, Upper gasket 9, lower filler 10, stuffing box 11, upper filler 12, filler pressing sleeve 13, hold-down grid 14, wherein, spheroid 4 is to float, valve rod 3 drives spheroid 4 to complete switch motion, under valve-closed state, in the pretightning force of disc spring 7 offer and under the effect of pressure medium, spheroid 4 produces certain displacement and is pressed in outlet valve seat 6, form ball face sealing。
As shown in Figure 1, valve rod 3 place is provided with two places and seals, stuffing box 11 has two filler positions, lower filler 10 and upper filler 12 it is respectively provided with in two filler positions, and upper filler 12, stuffing box 11 and lower filler 10 are compressed by filler pressing sleeve 13 and hold-down grid 14, ensure the sealing at valve rod 3 place, it is to avoid medium leaks from valve rod 3。Lower gasket 8 and Upper gasket 9 it is provided with between valve rod 3 and stuffing box 11, gasket material adopts high hardness wear-resisting alloy, wherein Upper gasket 9 contacts with stuffing box 11 and compresses with lower filler 10, lower gasket 8 is pressed in valve rod 3 and the first valve body 1, such setting both can guarantee that the wearability of valve rod 3, can avoid again valve rod 3 that situation about being engaged occurs with stuffing box 11, steady and smooth and easy to guarantee that valve rod 3 operates。
As shown in Figure 2 A and 2 B, the metal sealing wear resistance ball valve that the utility model proposes, in spheroid 4, the runner mouth place of runner 4-3 have employed arc notch design。It is characterized in particular in, spheroid 4 is provided with arc notch A4-1 and arc notch B4-2, it is possible to decrease the flow velocity of media particle during ball valve switch, reduce media particle washing away and abrasion spheroid and valve seat simultaneously。Under normal circumstances, ball valve crack open and will close time, the runner 4-3 of spheroid 4 can form the circulation area of a sub-elliptical with import valve seat 5 or outlet valve seat 6, fluid media (medium) can be formed high-velocity fluid because throttling, when high pressure even up to supersonic speed, arc notch A4-1 and arc notch B4-2 is arranged on and opens, when spheroid 4 is crack, that side that runner mouth place and the import valve seat 5 of runner 4-3 when closing and outlet valve seat 6 are maybe formed tiny circulation passage, so when spheroid 4 crack open and will close time, the circulation area that the runner 4-3 of spheroid 4 is formed with import valve seat 5 or outlet valve seat 6 can expand more than several times。By divergent fluid, can effectively reduce velocity of medium, be substantially reduced media particle washing away and abrasion spheroid 4 and import valve seat 5 or outlet valve seat 6。Simultaneously, the arc notch A4-1 and arc notch B4-2 at the runner mouth place of runner 4-3 in spheroid 4 are carried out reconditioning process, to reduce the stress collection neutralization medium of spheroid 4 runner mouth to its erosion and abrasion, ensure that the safety of ball valve, reliability and service life, at spheroid 4 arranged above with a rectangular groove 4-4, and it is provided with a circular hole 4-5 in rectangular groove 4-4, in order to coordinate with the valve rod 3 shown in Fig. 1 and form sealing。
As shown in Figure 3, the metal sealing wear resistance ball valve that the utility model proposes, the spheroid 4 shown in sealing surface 5-2 and Fig. 1 in import valve seat 5 contacts, valve seat runner 5-3 is as medium circulation passage, and import valve seat 5 periphery is provided with outer rim breach 5-1, preferably, outer rim breach 5-1 is circular arc, and is uniformly distributed。In valve switch process, the pressure medium before valve quickly by the outer rim breach 5-1 of import valve seat 5, can enter valve lumen, it is ensured that the circulation of medium is more smooth and easy, and action is more steady。
As shown in Figure 4, the metal sealing wear resistance ball valve that the utility model proposes, the lower end of valve rod 3 is provided with guide and limit structure。The rectangular groove 4-4 on the spheroid 4 shown in valve rod drive block 3-1 and Fig. 2 B on valve rod 3 contacts, and drives spheroid 4 to rotate, completes the switch motion of valve。The cylindrical bump 3-2 of valve rod 3 lower end inserts the circular hole 4-5 on the spheroid 4 shown in Fig. 2 B, adopt matched in clearance, guide and limit structure as valve rod 3 and spheroid 4, it is to avoid produce bigger relative linear displacement between valve rod 3 and spheroid 4 and cause unnecessary operational torque。
This utility model have employed the sphere structure being provided with arc notch, be provided with outer rim breach inlet valve holder structure, two places that lower end is provided with the valve rod of guide and limit structure, valve rod place is provided with seal a series of innovative designs such as the wear-resistant gasket structure that is provided with between structures and valve rod and stuffing box, have the advantage that spheroid runner mouth place adopts unique arc notch design, the flow velocity of media particle during to reduce ball valve switch, reduces media particle washing away and abrasion spheroid and valve seat simultaneously；Import valve seat have employed the outer rim breach design of innovation so that before valve, pressure medium enters valve lumen smoothly, and more smooth and easy in the flowing of valve switch process medium, action is more steady；The lower end of valve rod is provided with the place's cylindrical bump guide and limit structure as valve rod Yu spheroid, it is to avoid produces excessive relative linear displacement between valve rod and spheroid and increases unnecessary operational torque；Valve rod place arranges two places and seals, and can fully ensure that the sealing at valve rod place, it is to avoid medium leaks from valve rod；Two panels high hardness wear-resisting pad is set between valve rod and stuffing box, to reduce the moment of friction between valve rod and stuffing box, it is to avoid valve rod clamping stagnation, affects the performance of valve。This utility model is by above innovative design, improve the nowed forming of valve switch process medium, reduce medium to the erosion of spheroid and valve seat and abrasion, improve the sealing property of valve, reduce operational torque, valve switch action is more steady, it is ensured that the safety of valve, reliability and service life。
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model。
Claims (10)
1. a metal sealing wear resistance ball valve, including the first valve body (1), second valve body (2), valve rod (3), spheroid (4), import valve seat (5), outlet valve seat (6), disc spring (7), lower gasket (8), Upper gasket (9), lower filler (10), stuffing box (11), upper filler (12), filler pressing sleeve (13), hold-down grid (14), it is characterized in that: the runner mouth place of the runner (4-3) of described spheroid (4) is provided with arc notch A (4-1), arc notch B (4-2), described arc notch A (4-1), arc notch B (4-2) is positioned at and opens, when described spheroid (4) is crack, that side that the runner mouth place of runner (4-3) described when closing and described import valve seat (5) and outlet valve seat (6) are maybe formed tiny circulation passage。
2. metal sealing wear resistance ball valve according to claim 1, it is characterised in that described arc notch A (4-1), arc notch B (4-2) process through reconditioning。
3. metal sealing wear resistance ball valve according to claim 1, it is characterised in that the distribution of described import valve seat (5) outer rim has outer rim breach (5-1)。
4. metal sealing wear resistance ball valve according to claim 3, it is characterised in that described outer rim breach (5-1) is circular arc。
5. metal sealing wear resistance ball valve according to claim 4, it is characterised in that described outer rim breach (5-1) is for being uniformly distributed。
6. metal sealing wear resistance ball valve according to claim 1, it is characterized in that described valve rod (3) lower end is provided with cylindrical bump (3-2), as the guide and limit structure between described valve rod (3) and described spheroid (4)。
7. metal sealing wear resistance ball valve according to claim 6, it is characterized in that described spheroid (4) is provided with circular hole (4-5), described circular hole (4-5) matches with the cylindrical bump (3-2) of described valve rod (3) lower end。
8. metal sealing wear resistance ball valve according to claim 1, it is characterized in that described stuffing box (11) has upper and lower two filler positions, described upper filler (12) and described lower filler (10) lay respectively in two filler positions in described stuffing box (11)。
9. metal sealing wear resistance ball valve according to claim 1, it is characterized in that between described valve rod (3) and described stuffing box (11), being provided with described Upper gasket (9) and described lower gasket (8), wherein said Upper gasket (9) contacts with described stuffing box (11) and compresses with described lower filler (10), and described lower gasket (8) is pressed in described valve rod (3) and described first valve body (1)。
10. metal sealing wear resistance ball valve according to claim 9, it is characterised in that the material of described Upper gasket (9) and described lower gasket (8) is high hardness wear-resisting alloy。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064797.8U CN205331476U (en) | 2015-12-18 | 2015-12-18 | Metal seal abrasion -proof ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064797.8U CN205331476U (en) | 2015-12-18 | 2015-12-18 | Metal seal abrasion -proof ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205331476U true CN205331476U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521064797.8U Active CN205331476U (en) | 2015-12-18 | 2015-12-18 | Metal seal abrasion -proof ball valve |
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| Country | Link |
|---|---|
| CN (1) | CN205331476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443796A (en) * | 2015-12-18 | 2016-03-30 | 航天长征化学工程股份有限公司 | Metal sealing wear-resisting ball valve |
-
2015
- 2015-12-18 CN CN201521064797.8U patent/CN205331476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443796A (en) * | 2015-12-18 | 2016-03-30 | 航天长征化学工程股份有限公司 | Metal sealing wear-resisting ball valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |