CN106704625A - Lock hopper valve - Google Patents
Lock hopper valve Download PDFInfo
- Publication number
- CN106704625A CN106704625A CN201611209291.0A CN201611209291A CN106704625A CN 106704625 A CN106704625 A CN 106704625A CN 201611209291 A CN201611209291 A CN 201611209291A CN 106704625 A CN106704625 A CN 106704625A
- Authority
- CN
- China
- Prior art keywords
- valve
- support shaft
- spring
- sealing
- valve seat
- 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
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
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
-
- 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
- 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
-
- 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
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a lock hopper valve which comprises a valve body, a valve seat and a sphere. A valve cover plate and a valve bottom plate are arranged on the valve body, a packing case, glands and a valve rod are arranged on the valve cover plate, the bottom of the valve rod is arranged on the sphere, a wear-resisting support plate and a support shaft are arranged on the valve bottom plate, the top of the support shaft is sleeved in the sphere, a valve seat sealing assembly is arranged between the valve body and the valve seat, the valve seat sealing assembly comprises a sealing ring I, a disc spring assembly and a sealing ring II, and the disc spring assembly comprises a valve seat sealing gasket, a retaining ring, double disc springs and a retaining piece. The sphere is borne on the wear-resisting support plate and the support shaft, the valve rod and the support shaft are vertically coaxial, vibration and shaking of a valve spool in the valve body are reduced, and wearing in sealing of the valve spool is reduced; in addition, the double-disc-spring combined gasket, the retaining ring and the valve seat sealing gasket structure are arranged between the valve seat and the valve body, so that the double disc springs can perform compensation on the valve seat sealing gasket, sealing effect of the valve seat sealing gasket is improved, service life of the lock hopper valve is prolonged, and production benefit is increased.
Description
Technical field
Technical field the invention belongs to be used to have the stopper of spherical surface, is specifically related to a kind of lock slag valve.
Background technology
There are the high temperature such as pulp water, steam, coal gas, abrasion high, deep-etching on the Residue extraction pipeline of coal slurry gasification operating mode, in medium
Feature, it is desirable to which the valve used on pipeline has the function such as current global mechanism, high temperature resistant, wear-resistant, corrosion-resistant, so general using hard
Seal ball-valve；The structure of current hard seal ball valve is general by valve body, spheroid, valve seat, valve rod, bonnet, seal and installed part group
Into spheroid is sprayed or pile-up welding hard alloy material respectively with the sealing surface of valve seat, improves the anti-wear performance of sealing pair.Valve seat is used
Floating structure, prevents valve seat stuck with spheroid high-temperature expansion.With high temperature resistant, it is wear-resistant the features such as.But, in coal slurry gasification
In operating mode, medium has the features such as particle, coking, cinder can coking on spheroid and sealing surface of seat, coking when ball valve is opened and closed
Thing makes sealing pair wear and tear quickly, and product sealing reliability is poor, service life is short.
The content of the invention
In view of this, it is an object of the invention to provide a kind of lock slag valve, the lock slag valve by by sphere supports wear-resisting
In supporting plate and support shaft, make valve rod and support shaft concentric up and down, reduce valve element and shake and shake in valve body, reduce valve element
Sealing wear, additionally by being provided between valve seat and valve body double disc spring compound gaskets, clasp and valve base sealing mat structure,
Double disc springs are compensated to valve base sealing pad in use, improve valve base sealing pad sealing effectiveness, and extension lock slag valve is used
In the life-span, improve productivity effect.
In order to achieve the above object, a kind of lock slag valve of the invention, including valve body, the valve seat being arranged in valve body and hollow
Spheroid, the spheroid top is provided with the valve cover on valve body, and the valve body two ends are provided with the flange for installing,
The valve cover is provided with stuffing box, the gland being bolted on stuffing box and is sleeved on gland, stuffing box and bonnet
Valve rod in plate, the stem bottom is connected on spheroid, and the body base is detachably provided with valve base plate；The valve base plate
On be provided with wear-resisting supporting plate for bearing balls, the valve base plate middle setting has support shaft, support shaft top set
In spheroid, the support shaft is coaxial with valve rod, and wear-resistant sleeve is provided between the support shaft and spheroid；
Valve base sealing component is provided between the valve body and valve seat one end, the valve base sealing component includes being sleeved on valve
On seat side wall and diameter the sealing ring I, dished spring assembly and the sealing ring II that increase successively, the dished spring assembly includes what is set gradually
Valve base sealing pad, clasp, disc spring and catch, the disc spring are set to 1 pair and are symmetricly set on and catch both sides.
Further, the seal being sleeved on valve rod is provided with described filler case, the seal extends stuffing box
Surface is provided with the shaft shoulder, and the gland bottom inside is provided with annular groove, and the shaft shoulder extends into be provided with and bullet is connected with annular groove
Spring.
Further, the spring is provided with butterfly spring, and the butterfly spring is set to no less than 2.
Further, it is symmetrical arranged between the butterfly spring is adjacent two-by-two.
Further, the seal is set to polytetrafluoroethylene (PTFE) graphite packing.
Further, the seal is set to polyfluortetraethyledust dust circle and flexible graphite belt combining structure, the spring
It is squeezed on polyfluortetraethyledust dust circle.
Further, gap is provided between the gland and valve rod, the seal upper end is extended into gap.
Further, described filler bottom portion is connected with the seam pad and axle sleeve being sleeved on valve rod, is set on the axle sleeve
There is axle sleeve wear-resistant pad.
Further, the support shaft is removably mounted on valve base plate by bolt.
The beneficial effects of the present invention are：
Lock slag valve of the present invention in wear-resisting supporting plate and support shaft, makes in valve rod and support shaft similarly hereinafter by by sphere supports
The heart, reduces valve element and shakes and shake in valve body, reduces seal spool abrasion, is set additionally by between valve seat and valve body
There are double disc spring compound gaskets, clasp and valve base sealing mat structure, double disc springs are mended to valve base sealing pad in use
Repay, improve valve base sealing pad sealing effectiveness, extend lock slag valve service life, improve productivity effect.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carries out
Explanation：
Fig. 1 is that the structure of lock slag valve of the present invention is shown；
Fig. 2 is the enlarged drawing of valve base sealing component in Fig. 1；
Fig. 3 is the enlarged drawing of filler box seal device in Fig. 1；
Fig. 4 is the enlarged drawing of filler box seal device in Fig. 3.
Brief description of the drawings：1- valve bodies；2- valve seats；3- spheroids；4- valve rods；5- stuffing boxes；6- valve base sealing components；7- sealing rings
I；8- sealing rings II；9- butterfly springs；10- catch；11- clasps；12- valve base sealing pads；13- valve covers；14- axle sleeves；15- seams
Pad；16- glands；17- seals；18- bolts；19- double threaded screws；20- nuts；21- springs；22- annular grooves；23- dust rings；
24- flexible graphite belts；25- valve base plates；The wear-resisting supporting plates of 26-；27- support shafts；28- wear-resistant sleeves；29- flanges.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 1 for the structure of lock slag valve of the present invention is shown；It is illustrated in figure 2 the enlarged drawing of valve base sealing component in Fig. 1；
A kind of lock slag valve of the present invention, including valve body 1, the valve seat 2 and hollow spheroid 3 that are arranged in valve body 1, the top of the spheroid 3 sets
The valve cover 13 on valve body 1 is equipped with, the two ends of the valve body 1 are provided with the flange 29 for installing, the valve cover 13
It is provided with stuffing box 5, the gland 16 that is connected on stuffing box 5 by bolt 18 and is sleeved on gland 16, stuffing box 5 and valve cover
Valve rod 4 in 13, the bottom of the valve rod 4 is connected on spheroid 3, and the bottom of the valve body 1 is detachably provided with valve base plate 25；It is described
The wear-resisting supporting plate 26 for bearing balls 3 is provided with valve base plate 25, the middle setting of valve base plate 25 has support shaft 27, institute
State the top of support shaft 27 to be sleeved in spheroid 3, the support shaft 27 is coaxial with valve rod 4, is set between the support shaft 27 and spheroid 3
It is equipped with wear-resistant sleeve 28；
Valve base sealing component 6 is provided between the valve body 1 and the one end of valve seat 2, the valve base sealing component 6 includes suit
On the side wall of valve seat 2 and diameter the sealing ring I7, dished spring assembly and the sealing ring II8 that increase successively, the dished spring assembly include according to
The valve base sealing pad 12 of secondary setting, clasp 11, disc spring 9 and catch 10, the disc spring 9 are set to 1 pair and are symmetricly set on and keep off
The both sides of piece 10.
The present embodiment in wear-resisting supporting plate and support shaft, makes valve rod and support shaft concentric up and down by by sphere supports,
Reduce valve element to shake and shake in valve body, reduce seal spool abrasion, be provided with additionally by between valve seat and valve body
Double disc spring compound gaskets, clasp and valve base sealing mat structure, in use double disc springs valve base sealing pad is compensated,
Valve base sealing pad sealing effectiveness is improved, extends lock slag valve service life, improve productivity effect.
Further, it is illustrated in figure 3 the enlarged drawing of filler box seal device in Fig. 1；It is illustrated in figure 4 stuffing box in Fig. 3
The enlarged drawing of sealing device；The seal 17 being sleeved on valve rod 4 is provided with described filler case 5, the seal 17 extends
Go out the surface of stuffing box 5 and be provided with the shaft shoulder, the bottom inside of the gland 16 is provided with annular groove 22, and the shaft shoulder is extended into and is provided with ring
Spring 21 is connected with groove 22, the present embodiment is provided with annular groove 22 by the inner side of gland 16, and the seal 17 in stuffing box 5 prolongs
Stretch out the surface of stuffing box 5 and be provided with the shaft shoulder, using being provided with the spring 21 that is squeezed on the shaft shoulder, squeeze sealing member in annular groove 22
17, in use spring 21 seal 17 is compensated, improve sealing effectiveness, extend the service life of seal 17, carry
Productivity effect high.
Further, the preferred spring 21 is provided with butterfly spring, and the butterfly spring is set to no less than 2, excellent
It is symmetrical arranged between the butterfly spring of choosing is adjacent two-by-two, the structure is conducive to improving the mechanical property of spring 11.
Further, the preferred seal 17 is set to polytetrafluoroethylene (PTFE) graphite packing.
Further, the preferred seal 17 is set to polyfluortetraethyledust dust circle 23 and the combination knot of flexible graphite belt 24
Structure, the spring is squeezed on polyfluortetraethyledust dust circle 23, and the structure is conducive to dust-proof, and dust can be avoided to enter filler
Case, is conducive to protecting valve rod 1, it is to avoid stem surface is worn and torn.
Further, gap is preferably provided between the gland 16 and valve rod 4, between the upper end of the seal 17 extends into
In gap, the structure avoids producing friction between gland 16 and valve rod 4.
Further, the preferred bottom of described filler case 5 is connected with the seam pad 15 and axle sleeve 14 being sleeved on valve rod, described
Axle sleeve wear-resistant pad is provided with axle sleeve 14, the bottom of described filler case 5 is connected to valve cover 13 by double threaded screw 19 and nut 20
On.
Further, the preferred support shaft 27 is removably mounted on valve base plate 25 by bolt, the present embodiment knot
Structure is conveniently repaired mainly in the lock slag valve of big specification.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment to be described in detail the present invention, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (9)
1. a kind of lock slag valve, including valve body, the valve seat being arranged in valve body and hollow spheroid, the spheroid top are provided with peace
Valve cover on valve body, the valve body two ends are provided with the flange for installing, and the valve cover is provided with stuffing box, leads to
The gland being bolted on stuffing box and the valve rod being sleeved in gland, stuffing box and valve cover are crossed, the stem bottom connects
It is connected on spheroid, it is characterised in that：The body base is detachably provided with valve base plate；It is provided with for propping up on the valve base plate
The wear-resisting supporting plate of spheroid is held, the valve base plate middle setting has support shaft, and the support shaft top is sleeved in spheroid, described
Support shaft is coaxial with valve rod, and wear-resistant sleeve is provided between the support shaft and spheroid；
Valve base sealing component is provided between the valve body and valve seat one end, the valve base sealing component includes being sleeved on valve seat side
On wall and diameter the sealing ring I, dished spring assembly and the sealing ring II that increase successively, the dished spring assembly includes the valve seat for setting gradually
Sealing gasket, clasp, disc spring and catch, the disc spring are set to 1 pair and are symmetricly set on and catch both sides.
2. lock slag valve according to claim 1, it is characterised in that：Be provided with described filler case be sleeved on it is close on valve rod
Sealing, the seal extends stuffing box surface and is provided with the shaft shoulder, and the gland bottom inside is provided with annular groove, the shaft shoulder
Extend into be provided with and spring is connected with annular groove.
3. lock slag valve according to claim 2, it is characterised in that：The spring is provided with butterfly spring, the butterfly bullet
Spring is set to no less than 2.
4. lock slag valve according to claim 2, it is characterised in that：It is symmetrical arranged between the butterfly spring is adjacent two-by-two.
5. the lock slag valve according to any one of claim 2~4, it is characterised in that：The seal is set to polytetrafluoroethyl-ne
Alkene graphite packing.
6. the lock slag valve according to any one of claim 2~4, it is characterised in that：The seal is set to polytetrafluoroethyl-ne
Alkene dust ring and flexible graphite belt combining structure, the spring are squeezed on polyfluortetraethyledust dust circle.
7. lock slag valve according to claim 2, it is characterised in that：Gap is provided between the gland and valve rod, it is described
Seal upper end is extended into gap.
8. lock slag valve according to claim 2, it is characterised in that：Described filler bottom portion is connected with and is sleeved on valve rod
Seam pad and axle sleeve, are provided with axle sleeve wear-resistant pad on the axle sleeve.
9. lock slag valve according to claim 1, it is characterised in that：The support shaft is removably mounted at valve bottom by bolt
On plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209291.0A CN106704625A (en) | 2016-12-23 | 2016-12-23 | Lock hopper valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209291.0A CN106704625A (en) | 2016-12-23 | 2016-12-23 | Lock hopper valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106704625A true CN106704625A (en) | 2017-05-24 |
Family
ID=58895661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611209291.0A Pending CN106704625A (en) | 2016-12-23 | 2016-12-23 | Lock hopper valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704625A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461510A (en) * | 2017-06-27 | 2017-12-12 | 重庆特通阀门有限公司 | A kind of self-cleaning lock slag valve of coal chemical industry good antiscale property |
| CN111102379A (en) * | 2019-12-30 | 2020-05-05 | 沈阳恒屹实业有限公司 | Multi-channel fluid controller |
| CN112780794A (en) * | 2021-02-09 | 2021-05-11 | 无锡智能自控工程股份有限公司 | Floating type bidirectional sealing high-frequency ball valve |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312804A (en) * | 1995-05-16 | 1996-11-26 | Hitachi Valve Kk | Double eccentric valve |
| CN202451878U (en) * | 2011-12-27 | 2012-09-26 | 凯泰阀门(集团)有限公司 | Bisected hard sealing ball valve |
| CN202955270U (en) * | 2012-11-08 | 2013-05-29 | 西安希佛隆阀门有限公司 | Hard sealing ball valve |
| CN203571199U (en) * | 2013-11-21 | 2014-04-30 | 上海开维喜阀门集团有限公司 | Abrasion-resistant V-shaped sampling ball valve |
| CN204459250U (en) * | 2015-01-14 | 2015-07-08 | 意阀（苏州）阀门有限公司 | A kind of new type high temperature hard seal ball valve |
| CN204553901U (en) * | 2015-02-11 | 2015-08-12 | 潘继胤 | A kind of two-way valve adopting three-way ball core |
| CN204961892U (en) * | 2015-09-15 | 2016-01-13 | 重庆川仪特种阀门修造有限公司 | Cut off two -way seal structure of ball valve single valve seat |
| CN205715756U (en) * | 2016-05-03 | 2016-11-23 | 上海浙东阀门集团有限公司 | A kind of novel anti-gray valve seat construction of Coal Chemical Industry ball valve |
| CN106195316A (en) * | 2016-08-30 | 2016-12-07 | 上海核阀门制造有限公司 | A kind of seal ball-valve for the solid operating mode of height |
| CN206290745U (en) * | 2016-12-23 | 2017-06-30 | 重庆特通阀门有限公司 | Lock slag valve |
-
2016
- 2016-12-23 CN CN201611209291.0A patent/CN106704625A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312804A (en) * | 1995-05-16 | 1996-11-26 | Hitachi Valve Kk | Double eccentric valve |
| CN202451878U (en) * | 2011-12-27 | 2012-09-26 | 凯泰阀门(集团)有限公司 | Bisected hard sealing ball valve |
| CN202955270U (en) * | 2012-11-08 | 2013-05-29 | 西安希佛隆阀门有限公司 | Hard sealing ball valve |
| CN203571199U (en) * | 2013-11-21 | 2014-04-30 | 上海开维喜阀门集团有限公司 | Abrasion-resistant V-shaped sampling ball valve |
| CN204459250U (en) * | 2015-01-14 | 2015-07-08 | 意阀（苏州）阀门有限公司 | A kind of new type high temperature hard seal ball valve |
| CN204553901U (en) * | 2015-02-11 | 2015-08-12 | 潘继胤 | A kind of two-way valve adopting three-way ball core |
| CN204961892U (en) * | 2015-09-15 | 2016-01-13 | 重庆川仪特种阀门修造有限公司 | Cut off two -way seal structure of ball valve single valve seat |
| CN205715756U (en) * | 2016-05-03 | 2016-11-23 | 上海浙东阀门集团有限公司 | A kind of novel anti-gray valve seat construction of Coal Chemical Industry ball valve |
| CN106195316A (en) * | 2016-08-30 | 2016-12-07 | 上海核阀门制造有限公司 | A kind of seal ball-valve for the solid operating mode of height |
| CN206290745U (en) * | 2016-12-23 | 2017-06-30 | 重庆特通阀门有限公司 | Lock slag valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461510A (en) * | 2017-06-27 | 2017-12-12 | 重庆特通阀门有限公司 | A kind of self-cleaning lock slag valve of coal chemical industry good antiscale property |
| CN111102379A (en) * | 2019-12-30 | 2020-05-05 | 沈阳恒屹实业有限公司 | Multi-channel fluid controller |
| CN112780794A (en) * | 2021-02-09 | 2021-05-11 | 无锡智能自控工程股份有限公司 | Floating type bidirectional sealing high-frequency ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
|
| RJ01 | Rejection of invention patent application after publication |