CN105179727A - High-temperature and high-pressure metal sealing ball valve - Google Patents
High-temperature and high-pressure metal sealing ball valve Download PDFInfo
- Publication number
- CN105179727A CN105179727A CN201510312980.3A CN201510312980A CN105179727A CN 105179727 A CN105179727 A CN 105179727A CN 201510312980 A CN201510312980 A CN 201510312980A CN 105179727 A CN105179727 A CN 105179727A
- Authority
- CN
- China
- Prior art keywords
- spheroid
- valve
- sphere
- ball
- plane
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 title abstract description 13
- 238000009434 installation Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a high-temperature and high-pressure metal sealing ball valve. The high-temperature and high-pressure metal sealing ball valve comprises a valve body, a valve base, a sphere and a valve rod. Mainly, the potions, on the two sides of a center line of a sphere through hole, of the sphere are each provided with a plane; the planes on the two sides of the sphere are each internally provided with a ball clack; the ball clacks are in movable fit connection with round concave holes in the sphere through round convex columns; annular spring cavities and springs in the cavities are manufactured between the ball clack planes on the radial outer sides of the round convex columns and the sphere planes; annular anti-blocking grooves are manufactured in the portions, on the outer sides of the annular spring cavities, of the sphere planes; medium dredging grooves which lead to the outer surface of the sphere and are communicated with the annular anti-blocking grooves are manufactured in the portions, close to the spring cavities in the outer round faces of the round convex column, of the sphere planes; the valve base is fixedly installed in a valve body channel through a positioning ring; and a concave spherical face, matched with the sphere and the spherical faces of the ball clacks, of a positioning ball clack is manufactured on the positioning ring valve cavity side. The ball clacks of the high-temperature and high-pressure metal sealing ball valve are reliable in floatation, good in temperature resistance and suitable for the high-temperature and high-abrasion working condition of particle media.
Description
Technical field
The invention belongs to valve field, particularly about a kind of metal hard-sealing ball valve.The present invention is applicable to the high temperature of particle media, high wear working condition.
Background technique
High-temperature hard sealing ball valve uses many in high temperature, high wear medium operating mode, in order to prevent valve seat and spheroid high-temperature expansion stuck, general employing floating valve seat absorbs high-temperature expansion amount between the two, but the spring chamber between valve seat radial direction and valve body inner round wall easily enters media particle and blocks, and makes valve seat lose float function.For this reason, prevent spring chamber from entering medium and become product structure design and the key ensureing product performance.If the patent No. is the scraper type two-way high-temperature metal hard-sealed ball valve of ZL200510122892.3, comprise valve body, valve seat, spheroid, valve rod and Sealing and assembling set, valve body is that left valve barrel is connected by assembling set with right valve barrel, valve seat is respectively equipped with in left valve barrel and right valve barrel, one of them valve seat is floating valve seat, between the valve body and floating valve seat of valve pocket side, seal arrangement is set, in the spring place cavity preventing the medium impurity in valve pocket from entering between floating valve seat and valve body, avoid the swollen dead phenomenon of worst hot case spheroid.But, sealing device also can by radial extremely swollen between floating valve seat and valve body when high-temperature expansion, and, carbon seal ring is adopted to seal between the valve seat of the spring chamber the other end and valve body, in floating valve seat travel engineering, make carbon seal ring radial direction produce wearing and tearing, make media particle enter spring chamber, make floating valve seat lose float function, make spheroid and valve seat high temperature swollen dead or ultralow temperature is stuck.
Summary of the invention
The object of the invention is the shortcoming existed for prior art, provide a kind of and can prevent the swollen dead and high-temperature high-pressure metal seal ball valve that ultralow temperature is stuck of high temperature between spheroid and valve seat.
Technological scheme of the present invention comprises valve body, valve seat, spheroid, valve rod, and valve body is imported and exported in passage and is respectively equipped with valve seat, is shaped with the through hole with valve channel equal diameters in spheroid; Mainly on the spheroid of spheroid through hole center line both sides, be shaped with a plane respectively, this two plane symmetry is located on the spheroid of valve rod center line and plane both sides, spheroid through hole center line place, and three planes are parallel to each other; The center of spheroid two side plane is shaped with concentric circular shrinkage hole respectively; Each installation one ball clack in spheroid two side plane, ball clack is connected by the circular shrinkage hole on circular projection and spheroid is dynamic, circular projection end face and circular shrinkage hole bottom surface Spielpassung; Annular spring chamber is shaped with, mounting spring in annular spring chamber between the ball clack plane and spheroid plane of circular projection radial outside; Ball clack plane outside annular spring chamber and be shaped with annular anti-blocking groove between spheroid plane, is shaped with medium dredging groove in the spheroid plane at the spring chamber place near circular projection periphery, and this medium dredging two ends of groove are communicated with the outer spherical surface of spheroid; The anti-blocking groove of annular is dredged groove with medium and is communicated with; Valve seat is fixedly mounted in valve channel by positioning ring, and positioning ring valve pocket side is shaped with the concave spherical surface cooperatively interacted with the sphere of spheroid and ball clack, and when spheroid full-gear, the sphere at ball clack edge and the concave spherical surface of positioning ring cooperatively interact.
In above technological scheme, medium dredging groove has four, and four medium dredging grooves form " well " word structure, and wherein two medium dredging grooves are perpendicular to valve rod centerline direction, and two other medium dredging groove is parallel to valve rod centerline direction.
Advantage of the present invention is that valve seat adopts fixed installation, each floating installation one ball clack in spheroid two side plane, utilizes the floating absorption amount of expanding with heat and contract with cold of ball clack under high temperature or ultralow-temperature operation conditions, prevent ball clack and valve seat stuck; Between each parts in runner direction, the sealing of stationary seal circle, avoids dynamic seal ring and moves wearing and tearing and cause sealing problem; Annular anti-blocking groove is shaped with and medium dredges groove between spheroid plane and ball clack plane, medium impurity in spring chamber is washed away in medium dredging groove, prevent impurity from depositing in spring chamber, guarantee that ball clack floats flexibly on spheroid, good at the ride quality of high temperature media operating mode.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of annular anti-blocking groove and medium dredging groove in spheroid plane in Fig. 1 of the present invention.
1 valve body, 2 valve seats, 3 spheroids, 4 ball clacks, 5 springs, 6 annular anti-blocking grooves, 7 positioning rings, 8 valve rods, 9 medium dredging groove, 10 metal o-rings.
Embodiment
High-temperature high-pressure metal seal ball valve as shown in Figure 1, comprise valve body 1, valve seat 2, spheroid 3, valve rod 8, valve body 1 is imported and exported in passage and is respectively equipped with valve seat 2, the through hole equal with valve body 1 channel diameter is shaped with in spheroid 3, valve seat 2 sealing surface and spheroid 3 surface spraying weld high-abrasive material, spheroid 3 through-hole inner surface spraying wear-resistant materials, spheroid 3 through hole center line both sides spheroid 3 is shaped with a plane respectively, this two plane symmetry is located on the spheroid 3 of valve rod 8 center line and plane both sides, spheroid 3 through hole center line place, and three planes are parallel to each other, namely be parallel to each other by valve rod 8 center line and the plane at spheroid 3 through hole center line place and two planes of spheroid 3 both sides, and two plane separations of spheroid 3 both sides are equal by the distance of valve rod 8 center line and spheroid 3 through hole center line place plane, the center of spheroid 3 liang of side planes is shaped with concentric circular shrinkage hole respectively, and when spheroid 3 is closed, the center line of this circular shrinkage hole overlaps with valve body 1 channel centerline, each installation one ball clack 4 in spheroid 3 liang of side planes, ball clack 4 is connected by the circular shrinkage hole on circular projection and spheroid 3 is dynamic, circular projection end face and circular shrinkage hole bottom surface Spielpassung, ball clack 4 can be floated in the circular shrinkage hole of spheroid 3 plane, the spherical diameter of ball clack 4 is equal with the spherical diameter of spheroid 3, sphere and valve seat 2 sealing surface of ball clack 4 cooperatively interact, the surface spraying high-abrasive material of ball clack 4, between ball clack 4 plane and spheroid 3 plane of circular projection radial outside, be shaped with annular spring chamber, mounting spring 5 in annular spring chamber, this spring 5 adopts butterfly spring, also can adopt helical spring, ball clack 4 plane outside annular spring chamber and be shaped with annular anti-blocking groove 6 between spheroid 3 plane, annular anti-blocking groove 6, annular spring chamber is concentric with circular shrinkage hole, medium dredging groove 9 is shaped with in spheroid 3 plane at the spring chamber place near the circular projection periphery of ball clack 4, the two ends of this medium dredging groove 9 are communicated with the outer spherical surface of spheroid 3, medium impurity is made directly to be washed into outside spheroid 3 in medium dredging groove 9, avoid piling up in annular spring chamber, ensure the flexible reliability of annular spring chamber inner spring 5, the anti-blocking groove 6 of annular is dredged groove 9 with medium and is communicated with, and makes medium impurity be washed into valve body 1 from the anti-blocking groove 6 of annular by medium dredging groove 9 and exports, stop impurity to enter in annular spring chamber, valve seat 2 is fixedly mounted in valve body 1 passage by positioning ring 7, positioning ring 7 valve pocket side is shaped with the concave spherical surface cooperatively interacted with the sphere of spheroid 3 and ball clack 4, when spheroid 3 full-gear, the sphere at ball clack 4 edge cooperatively interacts with the concave spherical surface of positioning ring 7 and contacts, namely positioning ring 7 has the concave spherical surface with the identical curved surface of valve seat 2 sealing surface, make positioning ring 7 under spheroid 3 full-gear, hold ball clack 4 reliably tightly, prevent ball clack 4 from coming off from spheroid 3, also can adopt and install and spheroid 3 at valve body 1 inner chamber, what ball clack 4 cooperatively interacted curved surface holds block tightly, in valve opening and closing process, all the time ball clack 4 is held tightly by holding block tightly, prevent ball clack 4 from coming off from spheroid 3.
Medium dredging groove 9 is shaped with four, and four medium dredging grooves 9 form " well " character form structure, and wherein two medium dredging grooves 9 are perpendicular to valve rod 8 centerline direction, and two other medium dredging groove 9 is parallel to valve rod 8 centerline direction, as shown in Figure 2.
Valve body 1 adopts left valve barrel and right valve barrel composition, installs metal o-ring 10, realize being tightly connected between left valve barrel and right valve barrel between left valve barrel and right valve barrel.Valve body 1 also can adopt solid forging or casting, and make spheroid 3 adopt upper dress formula structure, these structures belong to known technology.
Spheroid 3 upper end is fixedly connected with valve rod 8 lower end, and spheroid 3 lower end and lower plug cover move and be connected, and forms fixing ball linkage structure.Spheroid 3 also can adopt floating ball structure.Medium promotes spheroid 3 makes outlet side ball clack 4 coordinate with outlet side valve seat 2 press seal, realizes two way sealed function.To having severe corrosive and strong erosion mixture condition, spheroid 3, ball clack 4, valve seat 2 adopt stupalith, and these belong to known technology.
Claims (2)
1. a high-temperature high-pressure metal seal ball valve, comprise valve body (1), valve seat (2), spheroid (3), valve rod (8), valve body (1) is imported and exported in passage and is respectively equipped with valve seat (2), is shaped with the through hole equal with valve body (1) channel diameter in spheroid (3); It is characterized in that being shaped with a plane respectively on spheroid (3) through hole center line both sides spheroid (3), this two plane symmetry is located on the spheroid (3) of valve rod (8) center line and plane both sides, spheroid (3) through hole center line place, and three planes are parallel to each other; The center of spheroid (3) two side plane is shaped with concentric circular shrinkage hole respectively; Each installation one ball clack (4) in spheroid (3) two side plane, ball clack (4) is connected by the circular shrinkage hole on circular projection and spheroid (3) is dynamic, circular projection end face and circular shrinkage hole bottom surface Spielpassung; Annular spring chamber is shaped with, mounting spring (5) in annular spring chamber between ball clack (4) plane and spheroid (3) plane of circular projection radial outside; Ball clack (4) plane outside annular spring chamber and be shaped with annular anti-blocking groove (6) between spheroid (3) plane, in spheroid (3) plane at the spring chamber place near the circular projection periphery of ball clack (4), be shaped with medium dredging groove (9), the two ends of this medium dredging groove (9) are communicated with the outer spherical surface of spheroid (3); The anti-blocking groove of annular (6) is dredged groove (9) with medium and is communicated with; Valve seat (2) is fixedly mounted in valve body (1) passage by positioning ring (7), positioning ring (7) valve pocket side is shaped with the concave spherical surface cooperatively interacted with the sphere of spheroid (3) and ball clack (4), when spheroid (3) full-gear, the sphere at ball clack (4) edge cooperatively interacts with the concave spherical surface of positioning ring (7) and contacts.
2. high-temperature high-pressure metal seal ball valve according to claim 1, it is characterized in that medium dredging groove (9) is shaped with four, article four, medium dredging groove (9) forms " well " character form structure, wherein two media dredging groove (9) are perpendicular to valve rod (8) centerline direction, and two other medium dredging groove (9) is parallel to valve rod (8) centerline direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312980.3A CN105179727A (en) | 2015-06-05 | 2015-06-05 | High-temperature and high-pressure metal sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312980.3A CN105179727A (en) | 2015-06-05 | 2015-06-05 | High-temperature and high-pressure metal sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105179727A true CN105179727A (en) | 2015-12-23 |
Family
ID=54902027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510312980.3A Pending CN105179727A (en) | 2015-06-05 | 2015-06-05 | High-temperature and high-pressure metal sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105179727A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156707A (en) * | 2015-06-05 | 2015-12-16 | 应建忠 | Temperature-resistant wear-resistant metal-sealed ball valve |
| CN106090288A (en) * | 2016-08-26 | 2016-11-09 | 烟台金泰美林科技股份有限公司 | Blanking full lining ceramic ball valve with pressure |
| CN106224588A (en) * | 2016-10-08 | 2016-12-14 | 太仓优尼泰克精密机械有限公司 | A kind of orbit ball valve two-piece type spheroid |
| CN107131317A (en) * | 2017-06-02 | 2017-09-05 | 永嘉县信诚科技服务有限公司 | High-temperature wearable metal sealing electric-controlled ball valve |
| WO2019074910A1 (en) * | 2017-10-10 | 2019-04-18 | Cameron International Corporation | Contoured integrated seat for ball valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4099543A (en) * | 1977-05-31 | 1978-07-11 | Westinghouse Air Brake Company | Vented ball type angle cock |
| US4118008A (en) * | 1975-02-11 | 1978-10-03 | Honeywell Inc. | Rotary valve |
| US5738336A (en) * | 1992-06-29 | 1998-04-14 | Devereux J. McKnight | Oilfield valve |
| CN201401528Y (en) * | 2009-04-28 | 2010-02-10 | 胡金木 | Ball valve |
| CN201547301U (en) * | 2009-08-04 | 2010-08-11 | 武汉大禹阀门制造有限公司 | Bi-directional hard sealed eccentric half ball valve |
| CN201705978U (en) * | 2010-04-30 | 2011-01-12 | 太仓优尼泰克精密机械有限公司 | Metal hard sealing ball valve of elastic ball |
| CN103047440A (en) * | 2012-12-04 | 2013-04-17 | 湖北赛文控制阀有限公司 | Washing resistant ceramic hard sealing half-ball valve |
| CN103114933A (en) * | 2013-02-05 | 2013-05-22 | 奇瑞汽车股份有限公司 | Gummed surface seal structure |
-
2015
- 2015-06-05 CN CN201510312980.3A patent/CN105179727A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4118008A (en) * | 1975-02-11 | 1978-10-03 | Honeywell Inc. | Rotary valve |
| US4099543A (en) * | 1977-05-31 | 1978-07-11 | Westinghouse Air Brake Company | Vented ball type angle cock |
| US5738336A (en) * | 1992-06-29 | 1998-04-14 | Devereux J. McKnight | Oilfield valve |
| CN201401528Y (en) * | 2009-04-28 | 2010-02-10 | 胡金木 | Ball valve |
| CN201547301U (en) * | 2009-08-04 | 2010-08-11 | 武汉大禹阀门制造有限公司 | Bi-directional hard sealed eccentric half ball valve |
| CN201705978U (en) * | 2010-04-30 | 2011-01-12 | 太仓优尼泰克精密机械有限公司 | Metal hard sealing ball valve of elastic ball |
| CN103047440A (en) * | 2012-12-04 | 2013-04-17 | 湖北赛文控制阀有限公司 | Washing resistant ceramic hard sealing half-ball valve |
| CN103114933A (en) * | 2013-02-05 | 2013-05-22 | 奇瑞汽车股份有限公司 | Gummed surface seal structure |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156707A (en) * | 2015-06-05 | 2015-12-16 | 应建忠 | Temperature-resistant wear-resistant metal-sealed ball valve |
| CN106090288A (en) * | 2016-08-26 | 2016-11-09 | 烟台金泰美林科技股份有限公司 | Blanking full lining ceramic ball valve with pressure |
| CN106090288B (en) * | 2016-08-26 | 2019-03-08 | 烟台金泰美林科技股份有限公司 | Blanking with pressure full lining ceramic ball valve |
| CN106224588A (en) * | 2016-10-08 | 2016-12-14 | 太仓优尼泰克精密机械有限公司 | A kind of orbit ball valve two-piece type spheroid |
| CN107131317A (en) * | 2017-06-02 | 2017-09-05 | 永嘉县信诚科技服务有限公司 | High-temperature wearable metal sealing electric-controlled ball valve |
| WO2019074910A1 (en) * | 2017-10-10 | 2019-04-18 | Cameron International Corporation | Contoured integrated seat for ball valve |
| CN111433495A (en) * | 2017-10-10 | 2020-07-17 | 卡梅伦技术有限公司 | Contoured integrated valve seat for ball valve |
| US11274751B2 (en) | 2017-10-10 | 2022-03-15 | Cameron International Corporation | Contoured integrated seat for ball valve |
| US11649902B2 (en) | 2017-10-10 | 2023-05-16 | Cameron International Corporation | Ball valve with pistoning seating surfaces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |
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| WD01 | Invention patent application deemed withdrawn after publication |