CN108343779A - Millstone type material conveying valve containing spring-actuated sealing ring - Google Patents
Millstone type material conveying valve containing spring-actuated sealing ring Download PDFInfo
- Publication number
- CN108343779A CN108343779A CN201810336125.XA CN201810336125A CN108343779A CN 108343779 A CN108343779 A CN 108343779A CN 201810336125 A CN201810336125 A CN 201810336125A CN 108343779 A CN108343779 A CN 108343779A
- Authority
- CN
- China
- Prior art keywords
- valve
- spring
- sealing ring
- actuated
- valve rod
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 85
- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000012856 packing Methods 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 26
- 239000000945 filler Substances 0.000 claims description 10
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010881 fly ash Substances 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 5
- 239000002956 ash Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/06—Spindle sealings with stuffing-box ; Sealing rings with at least one ring attached to both spindle and housing
- F16K41/063—Spindle sealings with stuffing-box ; Sealing rings with at least one ring attached to both spindle and housing for spindles which only rotate, i.e. non-rising spindles
- F16K41/066—Spindle sealings with stuffing-box ; Sealing rings with at least one ring attached to both spindle and housing for spindles which only rotate, i.e. non-rising spindles for rotating valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of millstone type material conveying valves containing spring-actuated sealing ring.Including：Valve body, valve deck；The valve body is connected by bolts with valve deck and forms valve chamber together；Valve rod, described valve rod one end are connected with connecting plate, and one end of the other end and pivoted arm is connected, and the other end of the pivoted arm is flexibly connected with valve plate；Valve rod sealing assembly；Further include spring-actuated sealing ring, the spring-actuated sealing ring is set on the valve rod periphery between valve rod sealing assembly and valve chamber.The present invention is additionally arranged spring-actuated sealing ring, spring-actuated sealing ring is applied on valve rod rotary seal face, the seal pressure needed is formed using the actuating effect and pressure medium of spring-actuated sealing ring own resilient, effectively overcome valve rod slight eccentricity and sealing abrasion problems, sealing wear is compensated for, sealing performance is Z can be continuously maintained；It effectively prevents the high temperature flyash of valve chamber to enter in valve stem packing, improves the sealing performance of valve, extend its service life.
Description
Technical field
The present invention relates to material transfer valves, more particularly to millstone type material conveying valve, belong to valve technology field.
Background technology
Millstone type material conveying valve is a kind of Special valve applied in power plant ash disposal system, can be mounted on and save coal
The stations such as device, ash bucket, the feed inlet of storehouse pump, discharge port, switching exhaust, unimpeded.Now in the art, economizer ash transfer is used
Millstone type material conveying valve, valve stem packing are configured by universal method, that is, use the fillers groups such as expanded graphite, packing, tetrafluoro packing
It closes, by the artificial precompressed of gland, filler interference is made to keep sealing.This filling-material structure is in stem lower portion and valve chamber contact position
Special seal measure is not taken.When product works, valve rod is driven by cylinder, is continually rotated, and is caused valve rod and is filled out
The abrasion of material, when airtight and watertight padding precompressed compensation rate is not enough to overcome wear extent, valve chamber flyash enters, and accelerates filler abrasion,
Leakage is just will produce, environmental pollution is caused.The transfer valve filler service life designed using the above structure is usually replaced in or so half a year
Airtight and watertight padding needs are carried out when valve does not work, and after removing valve rod connecting plate, spring, bearing, gland, are taken out damage and are filled out
Material, more renews filler, then re-start precompressed, maintenance time is long, influences equipment continuous work.Under some special operation conditions, very
To equipment downtime is not allowed, at this point, transfer valve leakage cannot solve in time, it can not only increase equipment energy consumption, can also cause to hold
Continuous environmental pollution.
Invention content
Based on described above, the technical problem to be solved by the present invention is to be directed to existing millstone type material conveying valve valve stem packing
Easy to wear, poor sealing performance, short insufficient to provide a kind of wear-resistant, good seal performance, with long service life of service life
Millstone type material conveying valve.
Technical scheme is as follows：
Millstone type material conveying valve containing spring-actuated sealing ring, including：
Valve body, valve deck；The valve body is connected by bolts to form valve chamber with valve deck；
Valve rod, described valve rod one end are connected with connecting plate, and one end of the other end and pivoted arm is connected, the other end of the pivoted arm
It is flexibly connected with valve plate；
Valve rod sealing assembly；The valve rod sealing assembly includes the bullet being successively set on from top to bottom on valve rod periphery
Spring, bearing, gland, filler；The spring one end is in contact with connecting plate lower surface, the upper surface phase of the other end and bearing
Contact；Further, the spring is a kind of either combination in helical spring or disc spring.
Innovation is that the transfer valve further includes spring-actuated sealing ring, and the spring-actuated sealing ring is set to valve rod
On valve rod periphery between seal assembly and valve chamber.
Preferably, it is unlikely to cause valve rod excessive frictional force in order to ensure sealing effect and again, the spring causes
Dynamic seal ring is equipped at least one sealing lip, and the sealing lip lip direction has the valve chamber of pressure medium.
Preferably, in order to make spring-actuated sealing ring be easy arrangement, in the valve deck packing cavity towards valve in structure design
Cavity is opened up on the face of chamber, the spring-actuated sealing ring is installed in the cavity and is compressed by gland.Further,
The gland can be also connected by bolts in the cavity, i.e., the gland is connected to the cavity by the described screw across gland
In.
Preferably, the cavity is stepped cavity, and the spring-actuated sealing ring is set in the small chamber of stepped cavity；The gland
In the big chamber of stepped cavity.In order to facilitate the dismounting of gland, the diameter of gland should be less than the big chamber diameter of stepped cavity.
Preferably, in order to which the spring-actuated sealing ring made fixes certain external force deformation quantity, the gland is equipped with towards rank
The convex of the small cavity direction of terraced chamber, the convex are deep into the small chamber of stepped cavity and spring-actuated sealing ring are pressed on valve rod and fill out
Expect on chamber.
Preferably, the valve rod sealing assembly further includes bearing dustproof cover, and the bearing dustproof cover is set to the appearance of bearing
Face, one end of the spring, which is held, touches on the bearing dustproof cover.Further, the spring is in helical spring or disc spring
A kind of either combination.
The beneficial effects of the invention are as follows：
It is additionally arranged spring-actuated sealing ring, spring-actuated sealing ring is applied on valve rod rotary seal face, spring is utilized
The actuating effect and pressure medium for activating sealing ring own resilient form the seal pressure needed, and it is slightly inclined effectively to overcome valve rod
The heart and sealing abrasion problems, compensate for sealing wear, Z can be continuously maintained sealing performance；The final high temperature for effectively preventing valve chamber
Flyash enters in valve stem packing, improves the sealing performance of valve, extends its service life.
Description of the drawings
Fig. 1 is inventive embodiments schematic diagram；
Fig. 2 is the portions the A enlarged drawing of Fig. 1；
Fig. 3 is heretofore described valve rod sealing assembly structural schematic diagram.
In figure：1, valve body；2, valve deck；3, valve seat；4, valve plate；5, connecting plate；6, valve rod sealing assembly；60, spring；61、
Bearing；61`, bearing dustproof cover；62, gland；63, filler；8, pivoted arm；9, spring-actuated sealing ring；10, gland；10`、
Boss；11, cavity；12, screw.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the invention discloses a kind of millstone type material conveying valves containing spring-actuated sealing ring, including such as
Lower critical piece：
Valve body 1, valve deck 2；The valve body 1 is connected by bolts with valve deck 2 and forms valve chamber together；
Valve rod 7, upper end and the connecting plate 5 of the valve rod 7 are connected, and lower end and one end of pivoted arm 8 are connected, the pivoted arm 8
The other end is flexibly connected with valve plate 4；The valve plate 4 is movable to be screwed on the valve seat 3 of the feeding port of valve, and medium flow field is blocked
It is logical, it lifts off a seat 3 and connects medium conveying.
Valve rod sealing assembly 6；Referring to Fig. 3, the valve rod sealing assembly 6 includes being successively set on from top to bottom outside valve rod 7
Spring 60, bearing 61, gland 62, filler 63 on disc；60 upper end of the spring is in contact with 5 lower surface of connecting plate,
Lower end is in contact with the upper surface of bearing dustproof cover 61；Preferably, the spring 60 be it is a kind of in helical spring or disc spring or
It is combination.
Spring-actuated sealing ring 9, the spring-actuated sealing ring 9 are set to the valve rod 7 between valve rod sealing assembly 6 and valve chamber
On periphery.Specifically, referring to Fig. 2, the valve deck 2 is towards offering cavity 11, the spring-actuated sealing on the face of valve chamber
Circle 9 is set in the cavity 11 and is compressed by gland 10.As a kind of preferred embodiment, the cavity 11 is stepped cavity,
The big chamber of stepped cavity is located at valve deck 2 towards at the surface of valve chamber, and the small chamber of stepped cavity is located at the depths of 2 big chamber of valve deck.The bullet
Spring activates sealing ring 9 and is set in the small chamber of stepped cavity；The gland 10 is then set in the big chamber of stepped cavity.Gland 10 can pass through spiral shell
Nail 12 is connected to the lower surface of valve deck 2, i.e., gland 10 is connected to across gland 10 in the screw hole of valve deck 2 by the described screw 12.
In the present embodiment, the spring-actuated sealing ring 9 should be equipped at least one sealing lip, the seal lip court
To valve chamber.Contain metal spring in spring-actuated sealing ring 9, it usually can be to being applied lasting constant sealing compensation by seal
Power.In this structure, spring-actuated sealing ring 9 is heat safe sealing ring, and the sealing lip of sealing ring is by the metal through accurately calculating
Spring force and medium power are resisted against on valve rod 7, form the seal pressure of needs.Ensure to be unlikely to add again while sealing effect
The abrasion of fast sealing lip.Pass through the design of above structure so that in 7 rotary motion of valve rod, this transfer valve can generate very excellent
The compensation of different sealing effect, this sealing realizes that additional pressure medium is auxiliary by the metal spring in spring-actuated sealing ring 9
It helps, sealing compensation power is invariable, to substantially increase equipment dependability, extends service life.
In addition, in the present embodiment, the gland 10 is additionally provided with convex 10`, the convex 10` and is deep into the small chamber of stepped cavity
In and holddown spring activate sealing ring 9.The valve rod sealing assembly 6 further includes bearing dustproof cover 61`, the bearing dustproof cover 61
` is set to the outer surface of bearing 61, and the lower end of the spring 60, which is held, touches on the bearing dustproof cover 61`.
In addition, it should be noted that, when the present invention works, need to push valve rod 7 to rotate by external force mechanisms.External force mechanisms
Can such as cylinder but be not limited to the force application mechanism of cylinder, normally, external force mechanisms with connecting plate 5 by connecting to realize
Rotation to valve rod 7.The present invention does not provide the specific schematic diagram of external force mechanisms, for those skilled in the art, should not manage
Solution is that disclosure of the invention is insufficient.
In addition, it should be noted that, the concepts such as upper end, lower end described in the present embodiment be relative to Figure of description and
Speech, for those skilled in the art, when material transfer valve configuration occasion, station are different, in Figure of description
The legend presented should also be as adjusting accordingly, and in other words, the concepts such as upper end, lower end may also change as left end, right end；
Either front end, rear end etc..
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (9)
1. the millstone type material conveying valve containing spring-actuated sealing ring, including：
Valve body (1), valve deck (2), the valve body (1) are connected by bolts to form valve chamber with valve deck (2)；
Valve rod (7), described valve rod (7) one end are connected with connecting plate (5), and one end of the other end and pivoted arm (8) is connected, the pivoted arm
(8) the other end is flexibly connected with valve plate (4)；
Valve rod sealing assembly (6)；
It is characterized in that, further including spring-actuated sealing ring (9), the spring-actuated sealing ring (9) is set to valve rod sealing assembly
(6) on the valve rod between valve chamber (7) periphery.
2. the millstone type material conveying valve according to claim 1 containing spring-actuated sealing ring, which is characterized in that described
Spring-actuated sealing ring (9) be equipped at least one sealing lip, the sealing lip lip is towards valve chamber.
3. the millstone type material conveying valve according to claim 1 or 2 containing spring-actuated sealing ring, which is characterized in that
For the valve deck (2) towards cavity (11) is offered on the face of valve chamber, the spring-actuated sealing ring (9) is set to the cavity
(11) it is compressed in and by gland (10).
4. the millstone type material conveying valve according to claim 3 containing spring-actuated sealing ring, which is characterized in that this is defeated
It further includes screw (12) to send valve, and the gland (10) is connected to the cavity (11) by the screw (12) across gland (10)
In.
5. the millstone type material conveying valve according to claim 4 containing spring-actuated sealing ring, which is characterized in that described
Cavity (11) is stepped cavity, and the spring-actuated sealing ring (9) is set in the small chamber of stepped cavity；The gland (10) is set to ladder
In the big chamber of chamber.
6. the millstone type material conveying valve according to claim 5 containing spring-actuated sealing ring, which is characterized in that described
Gland (10) is equipped with convex (10`), and the convex (10`) is deep into the small chamber of stepped cavity and by spring-actuated sealing ring (9)
It is pressed on valve stem packing chamber.
7. the millstone type material conveying valve according to claim 1 containing spring-actuated sealing ring, which is characterized in that described
Valve rod sealing assembly (6) includes spring (60), bearing (61), the filler being successively set on from top to bottom on valve rod (7) periphery
Gland (62), filler (63)；Described spring (60) one end is in contact with connecting plate (5) lower surface, the other end and bearing (61)
Upper surface is in contact.
8. the millstone type material conveying valve according to claim 7 containing spring-actuated sealing ring, which is characterized in that described
Valve rod sealing assembly (6) further includes bearing dustproof cover (61`), and the bearing cap dust-proof (61`) is set to the outer surface of bearing (61),
One end of the spring (60), which is held, touches on the bearing dustproof cover (61`).
9. the millstone type material conveying valve according to claim 7 or 8 containing spring-actuated sealing ring, which is characterized in that
The spring (60) is a kind of either combination in helical spring or disc spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336125.XA CN108343779A (en) | 2018-04-16 | 2018-04-16 | Millstone type material conveying valve containing spring-actuated sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336125.XA CN108343779A (en) | 2018-04-16 | 2018-04-16 | Millstone type material conveying valve containing spring-actuated sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343779A true CN108343779A (en) | 2018-07-31 |
Family
ID=62955877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810336125.XA Pending CN108343779A (en) | 2018-04-16 | 2018-04-16 | Millstone type material conveying valve containing spring-actuated sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343779A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307392A (en) * | 2019-08-06 | 2019-10-08 | 四川省科能工业设备制造有限公司 | The millstone type material conveying valve of valve rod self-tightening sealing |
| CN111377245A (en) * | 2020-05-08 | 2020-07-07 | 郑州鼎盛新技术有限公司 | A self-sealing ceramic discharge valve |
| US11398390B2 (en) * | 2020-05-12 | 2022-07-26 | Fugen Co., Ltd. | Pendulum valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH213655A (en) * | 1938-06-20 | 1941-02-28 | Rue Parker Arthur La | Tap. |
| CN2500881Y (en) * | 2001-08-13 | 2002-07-17 | 陈为民 | Leakless lift valve |
| CN200946677Y (en) * | 2006-09-15 | 2007-09-12 | 四川省科能工业设备制造有限公司 | Millstone type ceramic valve for material conveying |
| CN202280933U (en) * | 2011-11-03 | 2012-06-20 | 四川固特阀门制造有限公司 | Triple sealing corrugated pipe stop valve |
| CN202360788U (en) * | 2011-08-02 | 2012-08-01 | 优利西玛阀门制造(成都)有限公司 | Pipeline cleaning disc valve |
| CN206246722U (en) * | 2016-12-01 | 2017-06-13 | 中山高达阀门有限公司 | A kind of ball valve of good sealing effect |
| CN208074260U (en) * | 2018-04-16 | 2018-11-09 | 四川省科能工业设备制造有限公司 | Millstone type material conveying valve containing spring-actuated sealing ring |
-
2018
- 2018-04-16 CN CN201810336125.XA patent/CN108343779A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH213655A (en) * | 1938-06-20 | 1941-02-28 | Rue Parker Arthur La | Tap. |
| CN2500881Y (en) * | 2001-08-13 | 2002-07-17 | 陈为民 | Leakless lift valve |
| CN200946677Y (en) * | 2006-09-15 | 2007-09-12 | 四川省科能工业设备制造有限公司 | Millstone type ceramic valve for material conveying |
| CN202360788U (en) * | 2011-08-02 | 2012-08-01 | 优利西玛阀门制造(成都)有限公司 | Pipeline cleaning disc valve |
| CN202280933U (en) * | 2011-11-03 | 2012-06-20 | 四川固特阀门制造有限公司 | Triple sealing corrugated pipe stop valve |
| CN206246722U (en) * | 2016-12-01 | 2017-06-13 | 中山高达阀门有限公司 | A kind of ball valve of good sealing effect |
| CN208074260U (en) * | 2018-04-16 | 2018-11-09 | 四川省科能工业设备制造有限公司 | Millstone type material conveying valve containing spring-actuated sealing ring |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307392A (en) * | 2019-08-06 | 2019-10-08 | 四川省科能工业设备制造有限公司 | The millstone type material conveying valve of valve rod self-tightening sealing |
| CN110307392B (en) * | 2019-08-06 | 2024-10-01 | 四川省科能工业设备制造有限公司 | Millstone type material conveying valve with valve rod self-sealing |
| CN111377245A (en) * | 2020-05-08 | 2020-07-07 | 郑州鼎盛新技术有限公司 | A self-sealing ceramic discharge valve |
| US11398390B2 (en) * | 2020-05-12 | 2022-07-26 | Fugen Co., Ltd. | Pendulum valve |
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