CN104132158A - Modular-design rotating type forced seal control valve - Google Patents
Modular-design rotating type forced seal control valve Download PDFInfo
- Publication number
- CN104132158A CN104132158A CN201310157610.8A CN201310157610A CN104132158A CN 104132158 A CN104132158 A CN 104132158A CN 201310157610 A CN201310157610 A CN 201310157610A CN 104132158 A CN104132158 A CN 104132158A
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- forced seal
- guide shell
- control valve
- 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.)
- Withdrawn
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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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in means
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
- F16K47/045—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member and the closure member being rotatable
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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
- F16K5/08—Details
- F16K5/12—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
Abstract
The invention relates to a modular-design rotating type forced seal control valve. Main components of the modular-design rotating type forced seal control valve comprise a valve body, a valve element, a valve cover, a valve rod, a valve base, a flow guide cylinder, a valve base supporting plate, a flow guide cylinder supporting plate, an operation mechanism, a blow-down valve and the like. The valve rod is rotated to enable the valve element to do rotating motion so as to change the opposite relation of an opening of the valve element and a flow way of the valve base, and therefore flow adjustment is achieved. The valve element is arranged between the valve base and the flow guide cylinder, the convex face and the concave face of the valve element are of an eccentric spherical surface structure, the opposite position of the sphere center of the convex spherical face and the sphere center of the concave spherical face, the radius of the convex spherical face and the radius of the concave spherical face are adjusted, the thickness of positions of the valve element can be adjusted, and therefore when the valve is arranged at the different valve locations, the sealing specific pressure between the valve element and the valve base can be adjusted. The valve can achieve forced seal at the full off-position. In addition, the valve element, the valve rod, the valve base, the flow guide cylinder, the valve base supporting plate, the flow guide cylinder supporting plate and the valve cover can be used as a module, and after a fastener enabling the valve cover to be connected with the valve body is disassembled, modular replacement of vulnerable parts of the valve can be achieved.
Description
Technical field
The present invention relates to a kind of control valve, especially a kind of modular design rotary forced seal control valve that is convenient for changing spool.
Background technique
Control valve is the device that regulates fluid flow in process control system, by valve inner spool forms of motion, distinguishes, and control valve mainly contains direct-acting type and rotary two kinds.Wherein, rotary control valve is structurally similar to ball valve, and its working principle is by the valve rod of the spool that is rotatably connected, and controls the angle of swing of spool, thereby make opening on spool and the runner of fluid form the actual internal area varying in size, with this, change the uninterrupted of fluid.Rotary control valve has good control ability, in fields such as papermaking, oil, chemical industry, sewage treatment, electric power, metallurgy, is widely used.
But, common rotary control valve has following two shortcomings: one, in Spool rotating process, greatly medium can be flowed through after valve pocket and be flowed to downstream, in this process, MEDIA FLOW is violent to changing, and liquid speed is very fast, can core body and sealing surface of seat be formed seriously and be washed away, spool and valve seat all easily wear and tear; Its two, the sealability of valve in complete shut-down position is difficult to guarantee, conventionally need to increase and join switch valve in valve upstream and downstream, this has increased user's cost.
Summary of the invention
The present invention has retained the advantage of rotary control valve, has overcome the above-mentioned shortcoming of common rotary control valve, and relevant easy-abrasion part realized modular design, and object is to provide a kind of modular design rotary forced seal control valve.
Technological scheme of the present invention is as follows:
A modular design rotary forced seal control valve, its critical piece comprises valve body, spool, valve gap, valve rod, valve seat, guide shell, valve seat dunnage, guide shell dunnage, operating device and blowdown valve etc.Valve rod and spool are in transmission connection, thereby the relativeness that makes spool rotate to change between valve core opening and valve seat runner changes actual internal area, with this, regulates the uninterrupted of fluid.
Spool is arranged between valve seat and guide shell, and its convex surface and concave surface are spheric structure.One side of valve seat coordinates with the protruding sphere-contact of spool, and an other side contacts cooperation with valve body.One side of guide shell contacts cooperation with the concave spherical surface of spool, and an other side contacts cooperation with valve body.Protruding sphere and concave spherical surface are eccentric structure, and their centre of sphere does not overlap.This eccentric structure makes spool thickness everywhere incomplete same, and then to make the diverse location of spool and the pressure between valve seat and guide shell be incomplete same.By regulating the relative position of protruding sphere and concave sphere's center and their radius, can regulating spool thickness everywhere with regulating valve seal pressure between spool and valve seat when the different valve position, this makes valve can realize forced seal when some valve position.For example, can be by spool larger in the Thickness Design of complete shut-down position, spool and valve seat and guide shell are mutually pushed when the state of complete shut-down position and produce forced seal power, forced seal power has improved the seal pressure of valve when complete shut-down position, guarantee the sealability of valve in complete shut-down position, realized the forced seal of complete shut-down position, simultaneously, the seal pressure of other valve position is less, has reduced the wearing and tearing in Spool rotating process of spool and sealing surface of seat.
Guide shell is arranged in valve body, one side contacts with valve body to coordinate and forms sealing, an other side contacts cooperation with spool concave spherical surface, this structure can play the effect of water conservancy diversion in valve spool of valve rotary course to medium, make most media directly through guide shell, to flow to downstream, in this process, medium can be ignored washing away of spool and sealing surface of seat, spool and valve seat are not easy wearing and tearing, and this has been avoided a shortcoming of common rotary control valve.
In addition, spool, valve rod, valve seat, guide shell, valve seat dunnage, guide shell dunnage and valve gap can be made a module, after the fastening piece being connected with valve body at dismounting valve gap, can be by whole module whole extraction out from valve, this makes the easily damaged parts of this valve realize modularization replacing, reduce the difficulty of changing easily damaged parts, saved engineering time, can greatly reduce user's inactivity cost.
The invention has the advantages that:
The protruding sphere of spool and concave spherical surface adopt eccentric design, make spool and valve seat and guide shell can push at the valve position state of appointment the forced seal power that produces, forced seal power has improved the seal pressure of valve, guaranteed the sealability of valve in these valve position, realized forced seal, meanwhile, the seal pressure of other valve position is less, has reduced the wearing and tearing in Spool rotating process of spool and sealing surface of seat; Guide shell is set in valve, makes most media directly through guide shell, to flow to downstream, in this process, medium can be ignored washing away of spool and sealing surface of seat, and spool and valve seat are not easy wearing and tearing; The parts such as spool, valve rod, valve seat, guide shell can be made a module, and this makes the easily damaged parts of this valve realize modularization replacing, have reduced the difficulty of changing easily damaged parts, have saved engineering time, can greatly reduce user's inactivity cost.Thereby the relativeness that makes spool rotate to change between valve core opening and valve seat changes actual internal area, with this, regulates the uninterrupted of fluid.
Accompanying drawing explanation
The main structure that accompanying drawing 1 is the modular design rotary forced seal control valve that the present invention relates to;
The spool V-arrangement opening schematic diagram that accompanying drawing 2 is the modular design rotary forced seal control valve that the present invention relates to;
Other configured openings schematic diagram of the spool that accompanying drawing 3 is the modular design rotary forced seal control valve that the present invention relates to; The modular design rotary forced seal control valve standard-sized sheet position valve pocket schematic diagram of accompanying drawing 4 for the present invention relates to;
The modular design rotary forced seal control valve complete shut-down position valve pocket schematic diagram of accompanying drawing 5 for the present invention relates to;
The spool eccentric structure schematic diagram that accompanying drawing 6 is the modular design rotary forced seal control valve that the present invention relates to;
Accompanying drawing 7 is that the half-open position of the modular design rotary forced seal control valve medium the present invention relates to washes away schematic diagram to seal element;
Accompanying drawing 8 is that the half-open position of common rotary control valve medium washes away schematic diagram to seal element;
The modular design rotary forced seal control valve spool module diagram of accompanying drawing 9 for the present invention relates to:
Embodiment
A modular design rotary forced seal control valve, its critical piece comprises: valve body 1, spool 2, valve gap 3, valve rod 4, valve seat 5, guide shell 6, valve seat dunnage 7, guide shell dunnage 8, operating device 9, blowdown valve 10.As shown in Figure 1.
Spool 2 is connected with valve rod 4, and the relativeness that rotates to change between the opening of spool 2 and the runner of valve seat 5 with movable valve plug 2 by rotary valve rod 4 reaches change actual internal area, and then regulates the uninterrupted of fluid.When the Flow area of spool 2 and the Flow area of valve seat 5 100% is isolated, valve is in complete shut-down position; When the opening of spool 2 and the Flow area of valve seat 5 are partly communicated with, valve is in half-open position; When the opening of spool 2 and the Flow area of valve seat 5 are all communicated with, valve is in standard-sized sheet position.The opening of spool 2 can be V-arrangement common in rotary control valve, as shown in Figure 2.Also can be other shape that need to design according to actual conditions, as shown in Figure 3.
Spool 2 is arranged between valve seat 5 and guide shell 6, and its convex surface and concave surface are spheric structure.Between valve body 1, spool 2, valve gap 3, valve seat 5 and guide shell 6, can form a cavity, be referred to as valve pocket.As shown in Figure 4, Figure 5.
One side of valve seat 5 contacts cooperation with valve body 1, and is provided with seal ring between valve seat 5 and valve body 1, makes can form sealing between valve seat 5 and valve body 1, and medium can not flow through between valve seat 5 and valve body 1.An other side of valve seat 5 coordinates with the protruding sphere-contact of spool 2, thereby can inlay seal ring at valve seat 5, realizes sealing sealing between them, and this can guarantee that medium can not flow through between valve seat 5 and spool 2.
One side of guide shell 6 contacts cooperation with valve body 2, and is provided with seal ring between guide shell 6 and valve body 1, makes can form sealing between guide shell 6 and valve body 1, and medium can not enter from flowing through between guide shell 6 and valve body 1 valve pocket.An other side of guide shell 6 contacts cooperation with the concave spherical surface of spool 2, thereby can inlay seal ring at guide shell 6, realizes sealing between them, and this can guarantee that medium can not enter from flowing through between guide shell 6 and spool 2 valve pocket.
The protruding sphere of spool 2 and concave spherical surface are eccentric structure, and their centre of sphere does not overlap.This eccentric structure makes spool thickness everywhere incomplete same, and then to make the diverse location of spool 2 and the pressure between valve seat 5 and guide shell 6 be incomplete same.By regulating the relative position of protruding sphere and concave sphere's center and their radius, can regulating spool 2 thickness everywhere with regulating valve seal pressure between spool 2 and valve seat 5 when the different valve position, this makes valve can realize forced seal when some valve position.Typically, the sealing of valve in complete shut-down position is vital for valve, therefore, can be by spool 2 larger in the Thickness Design of complete shut-down position, make spool 2 and valve seat 5 and guide shell 6 when the state of complete shut-down position, mutually push the forced seal power that produces, forced seal power has improved the seal pressure of valve when complete shut-down position, guaranteed the sealability of valve in complete shut-down position, realized the forced seal of complete shut-down position, simultaneously, the seal pressure of other valve position is less, has reduced spool 2 and the wearing and tearing of valve seat 5 sealing surfaces in Spool rotating process.Spool eccentric structure described above as shown in Figure 6.
Guide shell 6 is arranged in valve body 1, one side contacts with valve body 1 to coordinate and forms sealing, an other side contacts cooperation with spool 2 concave spherical surfaces, this structure can play the effect of water conservancy diversion in valve spool of valve rotary course to medium, make most media directly through guide shell 6, to flow to downstream, in this process, medium can be ignored spool 2 and washing away of valve seat 5 sealing surfaces, spool 2 and valve seat 5 are not easy wearing and tearing, as shown in Figure 7.This medium circulation style has avoided common rotary control valve can wash away washing away of spool and sealing surface of seat in Spool rotating process medium, as shown in Figure 8.
In addition, spool 2, valve rod 4, valve seat 5, guide shell 6, valve seat dunnage 7, guide shell dunnage 8 and valve gap 3 can be made a module 15, after the fastening piece being connected between dismounting valve gap 3 and valve body 1, can be by whole module 15 whole extraction out from valve body 1, this makes the easily damaged parts of this valve realize modularization replacing.As shown in Figure 9.
Disclosed all features in this specification, or the step in disclosed all methods or process, except the special type and/or step of mutual repulsion, all can combine by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing), unless narration especially all can be replaced by other equivalence or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (6)
1. a modular design rotary forced seal control valve, its critical piece comprises valve body 1, spool 2, valve gap 3, valve rod 4, valve seat 5, guide shell 6, valve seat dunnage 7, guide shell dunnage 8, operating device 9, blowdown valve 10, it is characterized in that: spool 2 is arranged between valve seat 5 and guide shell 6, its convex surface and concave surface are spheric structure, and protruding sphere and concave spherical surface are eccentric structure.
2. modular design rotary forced seal control valve according to claim 1, the thickness everywhere of spool 2 wherein can regulate by the relative position of its protruding sphere and concave sphere's center and their radius, and then reach the object of regulating valve seal pressure between spool 2 and valve seat 5 when different valve position, thereby realize the forced seal of valve when complete shut-down position.
3. modular design rotary forced seal control valve according to claim 1, valve rod 4 band movable valve plug 2 rotations wherein, thereby the relativeness changing between spool 2 openings and valve seat 5 runners changes actual internal area, with this, regulates the uninterrupted of fluid.
4. modular design rotary forced seal control valve according to claim 1, guide shell 6 is wherein arranged in valve body 1, one side contacts with valve body 1 to coordinate and forms sealing, an other side contacts cooperation with spool 2 concave spherical surfaces, this structure can play the effect of water conservancy diversion in valve spool of valve rotary course to medium, make most media directly through guide shell 6, to flow to downstream.
5. modular design rotary forced seal control valve according to claim 1, spool 2 wherein, valve rod 4, valve seat 5, guide shell 6, valve seat dunnage 7, guide shell dunnage 8 and valve gap 3 can be made a module 15, after the fastening piece being connected between dismounting valve gap 3 and valve body 1, can be by the integral body extraction from valve body 1 of whole module 15.
6. modular design rotary forced seal control valve according to claim 1, the opening of spool 2 wherein can be V-arrangement common in rotary control valve, can be also other shape that need to design according to actual conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310157610.8A CN104132158A (en) | 2013-05-02 | 2013-05-02 | Modular-design rotating type forced seal control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310157610.8A CN104132158A (en) | 2013-05-02 | 2013-05-02 | Modular-design rotating type forced seal control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104132158A true CN104132158A (en) | 2014-11-05 |
Family
ID=51804949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310157610.8A Withdrawn CN104132158A (en) | 2013-05-02 | 2013-05-02 | Modular-design rotating type forced seal control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104132158A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763240A (en) * | 2017-11-24 | 2018-03-06 | 淄博沃泰斯石化设备有限公司 | A kind of forced seal ball valve |
| JP2018080724A (en) * | 2016-11-15 | 2018-05-24 | 日立オートモティブシステムズ株式会社 | Control valve |
| CN108662187A (en) * | 2017-03-31 | 2018-10-16 | 浙江三花汽车零部件有限公司 | A kind of motor-driven valve |
| CN108930812A (en) * | 2018-08-27 | 2018-12-04 | 徐宗民 | Flow adjusting ball valve |
| CN108953652A (en) * | 2017-05-24 | 2018-12-07 | 浙江三花汽车零部件有限公司 | A kind of motor-driven valve |
| CN110686093A (en) * | 2019-10-30 | 2020-01-14 | 上海化工研究院有限公司 | Ball valve capable of fine-adjusting flow |
| WO2020248814A1 (en) * | 2019-06-11 | 2020-12-17 | 佟磊 | Flow and pressure control device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2525319Y (en) * | 2002-01-10 | 2002-12-11 | 李习洪 | Accentric soft seal ball valve |
| US20050205824A1 (en) * | 2004-03-18 | 2005-09-22 | Osborne Charles A | Segmented ball control valve with universal end connections |
| CN201162846Y (en) * | 2008-03-14 | 2008-12-10 | 浙江重工阀门有限公司 | Double-eccentric semi-sphere ball valve |
| US20110073792A1 (en) * | 2009-09-28 | 2011-03-31 | Gilmore Valve Company | Hemispherical Wedge Valve with Laminar Flow |
| CN202280862U (en) * | 2011-09-06 | 2012-06-20 | 安徽金源流体控制技术有限公司 | Top-mounted eccentric semi ball valve |
| CN202852050U (en) * | 2012-10-21 | 2013-04-03 | 浙江石化阀门有限公司 | Low-temperature eccentric hemisphere ball valve |
| CN103032613A (en) * | 2012-12-12 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | High-and-small flow classifying throttling mechanism capable of changing flow resistance within large range |
-
2013
- 2013-05-02 CN CN201310157610.8A patent/CN104132158A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2525319Y (en) * | 2002-01-10 | 2002-12-11 | 李习洪 | Accentric soft seal ball valve |
| US20050205824A1 (en) * | 2004-03-18 | 2005-09-22 | Osborne Charles A | Segmented ball control valve with universal end connections |
| CN201162846Y (en) * | 2008-03-14 | 2008-12-10 | 浙江重工阀门有限公司 | Double-eccentric semi-sphere ball valve |
| US20110073792A1 (en) * | 2009-09-28 | 2011-03-31 | Gilmore Valve Company | Hemispherical Wedge Valve with Laminar Flow |
| CN202280862U (en) * | 2011-09-06 | 2012-06-20 | 安徽金源流体控制技术有限公司 | Top-mounted eccentric semi ball valve |
| CN202852050U (en) * | 2012-10-21 | 2013-04-03 | 浙江石化阀门有限公司 | Low-temperature eccentric hemisphere ball valve |
| CN103032613A (en) * | 2012-12-12 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | High-and-small flow classifying throttling mechanism capable of changing flow resistance within large range |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018080724A (en) * | 2016-11-15 | 2018-05-24 | 日立オートモティブシステムズ株式会社 | Control valve |
| CN108662187A (en) * | 2017-03-31 | 2018-10-16 | 浙江三花汽车零部件有限公司 | A kind of motor-driven valve |
| CN108953652A (en) * | 2017-05-24 | 2018-12-07 | 浙江三花汽车零部件有限公司 | A kind of motor-driven valve |
| CN107763240A (en) * | 2017-11-24 | 2018-03-06 | 淄博沃泰斯石化设备有限公司 | A kind of forced seal ball valve |
| CN108930812A (en) * | 2018-08-27 | 2018-12-04 | 徐宗民 | Flow adjusting ball valve |
| WO2020248814A1 (en) * | 2019-06-11 | 2020-12-17 | 佟磊 | Flow and pressure control device |
| CN110686093A (en) * | 2019-10-30 | 2020-01-14 | 上海化工研究院有限公司 | Ball valve capable of fine-adjusting flow |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20160225 Address after: 211316, No. 12 Tan Avenue, Gaochun Economic Development Zone, Nanjing, Jiangsu Applicant after: JIANGSU RUILANGBO MECHANICAL EQUIPMENT CO., LTD. Address before: 100176 No. 2 North Yongchang Road, Beijing economic and Technological Development Zone, Beijing Applicant before: Liu Hailiang Applicant before: Zhang Zaixiao Applicant before: Wang Lei Applicant before: Zhao Shoujun |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20141105 |
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| WW01 | Invention patent application withdrawn after publication |