CN105179731A - Fixed seat-free cut-off repose angle valve - Google Patents
Fixed seat-free cut-off repose angle valve Download PDFInfo
- Publication number
- CN105179731A CN105179731A CN201510632316.7A CN201510632316A CN105179731A CN 105179731 A CN105179731 A CN 105179731A CN 201510632316 A CN201510632316 A CN 201510632316A CN 105179731 A CN105179731 A CN 105179731A
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- CN
- China
- Prior art keywords
- valve
- fixed
- powder
- valve rod
- spool
- 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
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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
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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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
- F16K5/0626—Easy mounting or dismounting means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a fixed seat-free cut-off repose angle valve. The fixed seat-free cut-off repose angle valve comprises a valve body. A valve element is arranged in the valve body. The valve element is fixed into the valve body through a valve rod and a supporting shaft at the two ends. The valve element comprises a feed port, a discharge port and a side opening communicated with the feed port. The width of the side opening is larger than the diameter of an inlet guide pipe. When the discharge port of the valve element is parallel to outlets of flange liner pipes at the lower end, the valve is opened, powder enters the valve element through the inlet guide pipe in the upper flange liner pipe and then flows through the lower flange liner pipe to be discharged, and then the powder is conveyed; and when the repose angle valve needs to be closed to cut off powder conveyance, the valve rod is rotated, the valve element is made to rotate by 90 degrees, the discharge port of the valve element is relatively vertical to the outlets of the flange liner pipes from being parallel to the outlets of the flange liner pipes, the powder is accumulated on the inner wall of the valve element when falling from the inlet guide pipe, due to the special repose angle characteristic of the powder, the powder is continuously accumulated till the powder in a spherical inner cavity of the valve element seals an outlet of the inlet guide pipe, and then the powder conveyance is cut off.
Description
Technical field
The present invention relates to powder carry control valve technical field.
Background technique
Pipe conveying procedure generally controls powder circulation by valve and cuts off, but existing conventional valve (such as ball valve or gate valve) has a small amount of powder and enters valve body and valve base chamber in unlatching or closing process, conventional valve in use has wearing and tearing in various degree, special operation condition can cause the pollution of conveying powder, the damage of Sealing (valve seat, ball core) even can be caused time serious, destroy the cutting function of valve, so most of traditional valve be not suitable for powder carry.
Summary of the invention
The present invention provides a kind of and utilizes powder angle of repose characteristic in order to solve deficiency of the prior art and carry out cutting off the fixed of sealing and to rest in peace angle valve without seat cut-out, realize cutting off without wearing and tearing and then avoiding the pollution of material to fed sheet of a media of wearing and tearing, cut-out performance is good, and structure is simple, is beneficial to processing.
For achieving the above object, the technical solution used in the present invention is:
One is fixed cuts off without seat angle valve of resting in peace, and comprise valve body, the upper and lower two ends of valve body are connected to form runner with upper and lower flange bushing pipe respectively, and upper flange bushing pipe and lower flange bushing pipe are fixed respectively by upper and lower flange and valve body; Valve inner is equipped with spool, and spool face has valve rod fixed groove and back shaft fixed groove, and valve rod fixed groove and back shaft fixed groove in the horizontal direction symmetric coaxial are arranged on the both sides of spool; Valve rod and back shaft are connected with valve rod fixed groove and back shaft fixed groove respectively, and back shaft and back shaft fixed groove can rotate relatively freely, and spool is with valve rod coaxial rotation, and valve rod extension passes valve body and is connected with driver; Be provided with an entry conductor in upper flange, entry conductor lower end extends into valve core inside; The side opening that spool comprises material entrance, discharge port and is communicated with material entrance, the width of side opening is greater than the diameter of entry conductor; Valve rod drives Spool rotating to realize resting in peace the opening and closing of angle valve.
When the discharge port of spool exports parallel with entry conductor, be opening state, powder enters spool through entry conductor and then flows through the discharge of lower flange bushing pipe, realizes the conveying of powder; When angle valve cut-out powder carry is rested in peace in needs closedown, rotary valve rod, make Spool rotating 90 °, the discharge port of spool parallelly exports Relative vertical to entrance bushing pipe from exporting with entrance bushing pipe, spool inwall and entry conductor form " ⊥ " type runner, are deposited in spool inwall when powder falls from entry conductor, angle of repose characteristic specific to powder, powder continues to pile up until the outlet of entry conductor is closed by the powder in spherical valve core inner chamber, realizes the cut-out of powder.Angle of repose, also known as angle of rest, is commonly defined as: the angle be made up of the horizontal plane below the clinoplain of described heap and described heap, makes specific one piece material just almost slide from described clinoplain.Because this product is the blocking-up that the angle of repose characteristic that make use of powder realizes powder, so this product is called angle valve of resting in peace, certainly, also angle of repose valve can be called.
As the fixed a kind of preferred version cutting off angle valve of resting in peace without seat of the present invention, described valve rod is relative with valve body fixing by bonnet, described bonnet has cavity, valve rod is through the cavity of bonnet, bonnet is connected with valve body by bolt, and valve rod can be fixed by this structure effectively, prevents valve stem slides, can ensure that again valve rod can freely rotate, realize resting in peace the opening and closing of angle valve.
As the fixed a kind of preferred version cutting off angle valve of resting in peace without seat of the present invention, be provided with gasket seal between described bonnet and valve body, further, between described bonnet and valve rod, be provided with stuffing box, realize the external sealed performance of valve.
As the fixed a kind of preferred version cutting off angle valve of resting in peace without seat of the present invention, described stem outer circumference has O type ring recess, add O type circle at O type ring recess, by filler in O type circle and stuffing box, double seal is formed to valve rod, TA-Luft requirement can be met.
As the fixed a kind of preferred version cutting off angle valve of resting in peace without seat of the present invention, back shaft extends through valve body, and back shaft is fixed in valve body by bottom flange, only need open bottom flange just can change when back shaft damages, and is convenient to dismounting and installs.
As the fixed a kind of preferred version cutting off angle valve of resting in peace without seat of the present invention, described entry conductor upper end is provided with shoulder, upper flange top inner side is provided with the annular groove of accommodating shoulder, the upper planes align of plane and upper flange on entry conductor, due to entry conductor upper end installation by adhering, the active force that entry conductor is subject to is smaller, and the possibility be damaged is less, therefore lower to entry conductor rigid requirements, multiple material all can use.
As the fixed a kind of preferred version cutting off angle valve of resting in peace without seat of the present invention, described entry conductor internal diameter is not more than spool discharge port diameter, makes powder blanking more smooth, avoids powder to pile up in a part.
As the fixed a kind of preferred version cutting off angle valve of resting in peace without seat of the present invention, between described back shaft and valve body, be provided with guide bush.
The feature mentioned in above All aspects of is improved, and further feature also can be combined in above-mentioned All aspects of.These improve and supplementary features can exist individually or with any combination.Such as, the various features hereafter discussed in any mode of execution illustrated can individually or with any combination be attached to any above-mentioned in.
Beneficial effect:
The angle of repose characteristic of this product utilization powder, realizes powder cutting function in spool opening-closing process, and makes opening and closing process almost without wearing and tearing without valve seat construction, can realize cutting off and can prevent the pollution of material to fed sheet of a media of wearing and tearing.Spool is fixed by back shaft and valve rod, reduces, because of the possibility of powder jam, to expand application area, reduces powder particles diametric requirements.Upper flange, valve body, lower flange adopt removably to fix, and easy access and replacing component, reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is that fixed cut-out without seat provided by the invention is rested in peace angle valve schematic cross-section.
Fig. 2 is part A enlarged diagram in Fig. 1.
Fig. 3 is valve core structure schematic diagram.
Fig. 4 is the angle valve opening state figure that rests in peace.
Fig. 5 is the angle valve closed condition figure that rests in peace.
Wherein:
1, upper flange 2, upper flange bushing pipe 3, valve body 4, lower flange 5, lower flange bushing pipe 6, entry conductor 7, spool 8, valve rod 9, back shaft 10, bonnet 11, bottom flange 12, stuffing box 13, O type ring recess 14, gasket seal 15, material entrance 16, side opening 17, discharge port
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, one is fixed cuts off without seat angle valve of resting in peace, and is hereafter called angle valve of resting in peace, for controlling the flowing of powder.Described powder can comprise coal dust, polysilicon powder etc. for conventional powder.
Angle valve of resting in peace comprises upper flange 1, upper flange bushing pipe 2, valve body 3, lower flange 4, lower flange bushing pipe 5 and entry conductor 6, and upper and lower flange is connected with valve body 3 by bolt and nut.Upper flange bushing pipe 2, lower flange bushing pipe 5 are embedded in upper flange 1 and lower flange 4 respectively.Upper flange 1 top inner chamber is provided with annular groove, entry conductor 6 extends in valve body 3 by upper flange bushing pipe 2, the shoulder of entry conductor 6 upper end just in time embeds in the annular groove of upper flange, the upper planes align of plane and upper flange on entry conductor, the active force that entry conductor is subject to is smaller, the possibility be damaged is less, and therefore lower to entry conductor 6 rigid requirements, multiple material all can use.
Valve body 3 is built with spool 7, and spool 7 surface has valve rod fixed groove and back shaft fixed groove, and valve rod fixed groove and back shaft fixed groove in the horizontal direction symmetric coaxial are arranged on the both sides of spool 7; Valve rod 8 is connected with valve rod fixed groove and back shaft fixed groove respectively with back shaft 9, and back shaft and back shaft fixed groove can rotate relatively freely, and spool is with valve rod coaxial rotation, and valve rod 8 extension passes valve body 3 and is connected with driver.
In the present embodiment, back shaft fixed groove is blind cylindrical hole, and back shaft top is the cylinder of same radius, and certainly, back shaft and back shaft fixed groove also can be other cooperating structures.Back shaft end can be fixed on the sidewall of valve body, also can extend and pass body wall, relatively be fixed in valve body by bottom flange, all gasket seal can be provided with between bottom flange and valve body and back shaft, gasket seal can have various structures according to demand, and as annular, disk, also can there be ripple glaze or anti-slip veins in gasket seal surface, make longitudinally having certain extension after being under pressure, sealing effect is better good.
Valve rod 8 is for rotational valve core 7, so valve rod fixed groove is non-cylindrical, can be polygonal cylindricality blind hole for cube blind hole or other cross sections, valve stem tip be then the cylindricality of same shape, makes valve rod just in time insert valve rod fixed groove interior and relative to not rotating.
The end extension of valve rod passes valve body and is connected with driver, and the rotation of driver control valve rod and spool, type of driver can be selected flexibly according to actual control system.
As shown in Figure 2, outside valve rod 8 with valve body joint, be also provided with bonnet 10, valve rod 8 is through the cavity of bonnet 10, and valve rod is provided with thrust shoulder, is formed and coordinates, prevent valve rod from flying out with bonnet.Further, the periphery at shoulder or other positions of valve rod also having O type ring recess 13, by adding O type circle, can sealing be improved.At stem outer circumference surface fluting, substantially reduce the complexity of slotting inside bonnet.Certainly multiple gasket seal 14 can also be provided with in the joint of bonnet and valve body, gasket seal can have various structures according to demand, and as annular, disk, also can there be ripple glaze or anti-slip veins in gasket seal surface, make longitudinally having certain extension after being under pressure, sealing effect is better good.The joint of bonnet and valve body is by gasket seal, and gasket material is selected according to actual conditions according to demand.
Also sealed further by stuffing box 12 between valve rod 8 and bonnet 10, prevent powder from revealing along valve rod.Stuffing box structure can particular design, meets TA-Luft requirement.
In order to improve angle valve resistance to pressure of resting in peace further, in valve body, establish valve body bushing pipe, valve body bushing pipe is arranged along valve interior wall.
As shown in Figure 3, the side opening 16 that spool 7 is provided with material entrance 15, discharge port 17 and is communicated with material entrance, the width of side opening 16 is greater than the diameter of entry conductor 6, entry conductor 6 extends into spool 7 inner chamber, entry conductor lower end is in spool, when valve rod drives spherical valve core to rotate, entry conductor rotates in side opening, and the length of side opening at least can ensure spherical valve core half-twist.
As shown in Figure 4, be the angle valve opening state figure that rests in peace.During opening state, the discharge port of spool exports parallel with the flange bushing pipe of lower end, and the entry conductor of powder in upper flange bushing pipe enters spool and then flow through the discharge of lower flange bushing pipe, realizes the conveying of powder.
When needs closedown rest in peace angle valve cut off powder carry time, rotary valve rod 8, makes spool 7 half-twist, and the discharge port of spool 7 parallelly exports Relative vertical to flange bushing pipe, spool inwall and the tubular formation of inlet guide " ⊥ " type runner from exporting with flange bushing pipe.As shown in Figure 5, for rest in peace angle valve close cut off powder carry time phase diagram, spool 7 inwall is deposited in when powder falls from entry conductor 6, angle of repose characteristic specific to powder, powder continues to pile up until the outlet of entry conductor is closed by the powder in spherical valve core inner chamber, realizes the cut-out of powder.
When introducing element of the present invention or its mode of execution, article " ", " being somebody's turn to do " and " described " are intended to refer to there is one or more element.Term " comprises ", " comprising " and " having " be intended to be inclusive, means can there is add ons except the element listed.Term as " on " D score " left side " " right side " " interior ", " outward " be based on orientation shown in the drawings or position relationship, be only the present invention for convenience of description instead of require that the present invention with specific azimuth configuration and operation, therefore must can not be interpreted as limitation of the present invention.
Although be illustrated embodiments of the present invention in specification, these mode of executions just as prompting, should not limit protection scope of the present invention.Carry out various omission, displacement and change without departing from the spirit and scope of the present invention all should be included in protection scope of the present invention.
Claims (8)
1. fixed cut-out without seat is rested in peace an angle valve, and comprise valve body, it is characterized in that: the upper and lower two ends of valve body are connected to form runner with upper and lower flange bushing pipe respectively, upper and lower flange bushing pipe is fixed respectively by upper and lower flange; Valve inner is equipped with spool, and spool face has valve rod fixed groove and back shaft fixed groove, and valve rod fixed groove and back shaft fixed groove in the horizontal direction symmetric coaxial are arranged on the both sides of spool; Valve rod and back shaft are connected with valve rod fixed groove and back shaft fixed groove respectively, and back shaft and back shaft fixed groove can rotate relatively freely, and spool is with valve rod coaxial rotation, and valve rod extension passes valve body and is connected with driver; Be provided with an entry conductor in upper flange, entry conductor lower end extends into valve core inside; The side opening that spool comprises material entrance, discharge port and is communicated with material entrance, the width of side opening is greater than the diameter of entry conductor; Valve rod drives Spool rotating to realize resting in peace the opening and closing of angle valve.
2. fixed cut-out without seat according to claim 1 is rested in peace angle valve, and it is characterized in that: described valve rod is relative with valve body fixing by bonnet, and described bonnet has cavity, valve rod passes the cavity of bonnet.
3. fixed cut-out without seat according to claim 2 is rested in peace angle valve, it is characterized in that: be provided with gasket seal between described bonnet and valve body.
4. fixed the cut-out without seat according to Claim 1-3 any one is rested in peace angle valve, it is characterized in that: be provided with stuffing box between described bonnet and valve rod.
5. fixed cut-out without seat according to claim 4 is rested in peace angle valve, it is characterized in that: described stem outer circumference has O type ring recess.
6. fixed cut-out without seat according to claim 5 is rested in peace angle valve, it is characterized in that: described back shaft extends through valve body, is fixed in valve body by valve gap.
7. fixed the cut-out without seat according to claim 5 any one is rested in peace angle valve, it is characterized in that: described entry conductor upper end is provided with shoulder, upper flange top inner side is provided with the annular groove of accommodating shoulder, the upper planes align of plane and upper flange on entry conductor.
8. fixed cut-out without seat according to claim 6 is rested in peace angle valve, it is characterized in that: described entry conductor internal diameter is not more than spool discharge port diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632316.7A CN105179731A (en) | 2015-09-29 | 2015-09-29 | Fixed seat-free cut-off repose angle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632316.7A CN105179731A (en) | 2015-09-29 | 2015-09-29 | Fixed seat-free cut-off repose angle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105179731A true CN105179731A (en) | 2015-12-23 |
Family
ID=54902029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510632316.7A Pending CN105179731A (en) | 2015-09-29 | 2015-09-29 | Fixed seat-free cut-off repose angle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105179731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413067A (en) * | 2018-04-09 | 2018-08-17 | 无锡海力自控工程有限公司 | One kind is rested in peace angle valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6412756B1 (en) * | 1999-10-14 | 2002-07-02 | Wacker Chemie Gmbh | Gastight ball valve for granules |
| CN201554890U (en) * | 2009-11-12 | 2010-08-18 | 浙江质一机械制造有限公司 | Hard sealing ball valve |
| CN202252072U (en) * | 2011-08-23 | 2012-05-30 | 上海凯工阀门有限公司 | Ball valve with high platform structure capable of locking fillers |
| CN203560495U (en) * | 2013-11-20 | 2014-04-23 | 温州电泰阀门有限公司 | Integrated top entry ball valve |
| CN104132157A (en) * | 2013-05-02 | 2014-11-05 | 刘海亮 | Forced seal valve with modular design and angular travel operation |
| CN205173545U (en) * | 2015-09-29 | 2016-04-20 | 无锡海力自控工程有限公司 | Fixed nothing seat cuts off angle valve of resting in peace |
-
2015
- 2015-09-29 CN CN201510632316.7A patent/CN105179731A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6412756B1 (en) * | 1999-10-14 | 2002-07-02 | Wacker Chemie Gmbh | Gastight ball valve for granules |
| CN201554890U (en) * | 2009-11-12 | 2010-08-18 | 浙江质一机械制造有限公司 | Hard sealing ball valve |
| CN202252072U (en) * | 2011-08-23 | 2012-05-30 | 上海凯工阀门有限公司 | Ball valve with high platform structure capable of locking fillers |
| CN104132157A (en) * | 2013-05-02 | 2014-11-05 | 刘海亮 | Forced seal valve with modular design and angular travel operation |
| CN203560495U (en) * | 2013-11-20 | 2014-04-23 | 温州电泰阀门有限公司 | Integrated top entry ball valve |
| CN205173545U (en) * | 2015-09-29 | 2016-04-20 | 无锡海力自控工程有限公司 | Fixed nothing seat cuts off angle valve of resting in peace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413067A (en) * | 2018-04-09 | 2018-08-17 | 无锡海力自控工程有限公司 | One kind is rested in peace angle valve |
| CN108413067B (en) * | 2018-04-09 | 2024-04-19 | 无锡海力自控工程有限公司 | Angle valve of calming anger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |
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| RJ01 | Rejection of invention patent application after publication |