CN207278915U - A kind of novel wear resistant ceramics double-gate plate valve - Google Patents
A kind of novel wear resistant ceramics double-gate plate valve Download PDFInfo
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- CN207278915U CN207278915U CN201721352917.3U CN201721352917U CN207278915U CN 207278915 U CN207278915 U CN 207278915U CN 201721352917 U CN201721352917 U CN 201721352917U CN 207278915 U CN207278915 U CN 207278915U
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- valve
- flashboard
- gate plate
- wear resistant
- runner
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Abstract
The utility model provides a kind of novel wear resistant ceramics double-gate plate valve, is related to valve technology field, solve wear no resistance, the technical problem of short life.The wear-resistant ceramic double-gate plate valve includes valve body, valve seat, runner, left flashboard and right flashboard, valve seat and is arranged in valve body；The inlet port and outlet port for medium disengaging are provided with valve seat, runner is arranged on valve body, and runner connects setting with inlet port and outlet port；Left flashboard and right flashboard are arranged between inlet port and outlet port；Wearing layer is both provided with runner inner wall, valve seat and body cavity；Left flashboard and right flashboard are both provided with wearing layer towards fluid approach axis；Wearing layer is made of structural ceramic material.The utility model not only has the characteristics that wear-resisting, corrosion-resistant, intensity is high, long lifespan.
Description
Technical field
Valve technology field is the utility model is related to, more particularly, to a kind of novel wear resistant ceramics double-gate plate valve.
Background technology
The opening and closing element of gate valve is flashboard, and the direction of motion and flow direction of flashboard are perpendicular, and gate valve can only make standard-sized sheet and complete
Close, it is impossible to make adjustments and throttle.The flashboard of gate valve is for linear motion with valve rod, is elevating lever gate valve, is also rising stem (RS.) lock
Valve.Usually there is trapezoidal thread on elevating lever, by the guide groove on the nut and valve body of valve tip, rotary motion is changed into
Linear motion, that is, operation torque is changed into operating thrust.During Open valve, when flashboard hoisting depth is equal to valve latus rectum
1：At 1 times, the passage of fluid is completely unimpeded.The opening and closing element of double disk parallel gate valve include being arranged on left flashboard in valve seat and
Right flashboard, when gate valve needs to close, the driving device driving stem on gate valve moves downward, the left lock being connected on valve rod
Plate and right flashboard are respectively facing valve seat movement, and fit closely to form sealing surface with valve seat, reach the mesh for completely closing valve
, this double-gate plate valve is widely used in oil, chemical industry, pharmacy, steel, cement, mine, papermaking, electric power etc. with dust, height
In the ash disposal dust pelletizing system of strength particles (such as lime-ash).
Due to containing substantial amounts of dust and abrasion resistant particles in medium, existing double-gate plate valve largely uses metal material system
Into wear no resistance short life, increases production run cost.
Utility model content
The purpose of this utility model is to provide a kind of novel wear resistant ceramics double-gate plate valve, to solve to exist in the prior art
The short life that wears no resistance technical problem.
To achieve the above object, the utility model provides following technical scheme：
A kind of novel wear resistant ceramics double-gate plate valve provided by the utility model, including valve body, valve seat, left flashboard, right flashboard
And runner, wherein：
The valve seat is arranged in the valve body；
The inlet port and outlet port for medium disengaging are provided with the valve seat；
The left flashboard and the right flashboard are arranged between the feed inlet and the discharge port；
The quantity of the runner is two, and two runners are arranged on the outside of the valve body, and two runners
Respectively setting is connected with the feed inlet and the discharge port；
The runner inner wall, the valve seat and body cavity contact fluid section are both provided with wearing layer；
The left flashboard and the right flashboard are both provided with wearing layer towards fluid approach axis；
The wearing layer is made of structural ceramic material.
By the way that metal body lining knot will be respectively provided with into valve seat, valve body with media contact part, runner inner wall, left and right flashboard
Wearing layer made of structure ceramic material, both ensure that in the case of containing a large amount of granule dusts in media as well, the wearability of valve,
Corrosion resistance, but also the intensity of valve is improved due to the presence of metal body, ensure directly to hit list in high intensity particle
The problem of being not in flashboard embrittlement during thin flashboard.
As further improvement of the utility model, the structural ceramic material includes carbide composite ceramics, silicon nitride
Base ceramics or cermet.Structural ceramics is with high temperature resistant, resistance to erosion, corrosion-resistant, high rigidity, high intensity, low creep rate
Deng excellent mechanical, calorifics, chemical property, it is usually used in the advanced ceramics of various structure members, as the structural ceramics of structure member,
It is made of single or compound oxide or non-oxidized substance；Carbide composite ceramics be in Al2O3 matrixes add TiC, WC,
The components such as TaC, NbC, Cr3C2 are formed through sintering；Structural ceramic material use herein is material of the prior art.
As further improvement of the utility model, the left flashboard and the right flashboard use alloy steel material system
Into.Since left flashboard and right flashboard back can also touch medium, so left flashboard and right flashboard are made using alloy steel material,
Ensure the intensity at flashboard back, corrosion-resistant and wear-resisting property.
As further improvement of the utility model, the valve seat and the valve body are made of metal material.Due to
Contact medium part does not have too high intensity requirement for valve body and valve seat, can be made of carbon steel material, is produced into so as to reduce
This.Due to connector also not contact medium, without too high intensity requirement, it can be made of carbon steel material, so as to reduce production
Cost.
As further improvement of the utility model, further include connector, the left flashboard and the right flashboard are opposite
Side is respectively arranged with mounting groove, the both ends of the connector by the mounting groove respectively with the left flashboard and the right lock
Plate is detachably connected.Using detachable connection when flashboard needs replacing, it is convenient for disassembly and assembly time saving and energy saving to have the characteristics that.
As further improvement of the utility model, the connector includes seated, fore-set and elastic component, the seated two
End offers a groove respectively, and the length of the elastic component is less than the depth of groove, and the quantity of the elastic component is two, and two
A elastic component is separately positioned in two grooves, and the elastic component is fixedly connected with the bottom portion of groove, described
Fore-set diameter is less than the groove diameter, and the quantity of the fore-set is two, two described fore-set one end with the elastic component
It is fixedly connected, the fore-set other end is fastened in the mounting groove.The elastic component is plunger spring, spring is arranged on recessed
In groove, and spring is shorter than depth of groove, and fore-set one end is arranged in groove and is fixedly connected with spring, and the fore-set other end is fastened on peace
In tankage, since fore-set is rigid structure, have the characteristics that stable connection is firm.
As further improvement of the utility model, valve rod is further included, described valve rod one end is connected with the seated, described
The valve rod other end is pierced by from the valve body and is connected with pneumatic actuating device.
As further improvement of the utility model, the flow passage ends are provided with connecting flange.It is also lined with runner resistance to
Layer is ground, abrasion when avoiding medium inlet-outlet valve body to inlet port and outlet port.
As further improvement of the utility model, the mounting groove orthographic projection is triangle, quadrangle or polygon
Shape.The cross sectional shape of the fore-set is identical with the installation groove shape, by the way that mounting groove is arranged to polygon and non-circular, energy
Connective stability is improved, ensures that fore-set will not rotate in a circumferential direction around mounting groove.
As further improvement of the utility model, thread groove is provided with the top of the seated, the valve stem end is set
There is the thread segment being adapted with the thread groove.Using thread connecting mode, conveniently dismantled.
By using above-mentioned technical proposal, to be closed when, pneumatic actuating device driving stem moves downward valve,
Moved with together with left flashboard that valve rod is connected and right flashboard towards valve seat, fit closely to form sealing with valve seat, reach by
The purpose that valve is closed, when left flashboard and right flashboard are fitted closely with valve seat, the spring in groove utilizes elastic force by fore-set
All the time promoted towards valve seat direction, achieve the purpose that left flashboard and right flashboard and valve seat fit closely so that valve seat and make right lock
It is seamless between plate, sealing effect is greatly improved, and be directly connected to by fore-set and left and right flashboard, such structure setting,
Also ensure the stability of connection.Valve seat and double disc are made of engineering ceramic material, engineering ceramic material has good
Good wearability, resistance to erosion prolong the service life, and ensure work quality.
By the way that valve body, valve seat, runner, flashboard side are respectively provided with the wearing layer made of structural ceramics, valve is both improved
Interior and the wearability of media contact component, corrosion resistance, in turn ensure that the intensity and toughness requirement of the component, extend making for valve
With the service life, use cost is reduced.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the partial sectional view of the utility model wear-resistant ceramic double-gate plate valve.
1, valve body in figure；2nd, valve seat；3rd, left flashboard；4th, feed inlet；5th, wearing layer；6th, connector；61st, seated；611st, it is recessed
Groove；62nd, fore-set；63rd, elastic component；7th, mounting groove；8th, valve rod；9th, runner；91st, connecting flange.
Embodiment
To make the purpose of this utility model, technical solution and advantage clearer, below by the technology of the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Obtained all other embodiment is put, belongs to the scope that the utility model is protected.
As shown in Figure 1, the utility model provides a kind of novel wear resistant ceramics double-gate plate valve, including valve body 1, valve seat 2, stream
Road 9, left flashboard 3 and right flashboard, valve seat 2 are arranged in valve body 1；The feed inlet 4 for medium disengaging and discharging are provided with valve seat 2
Mouthful；Left flashboard 3 and right flashboard are arranged between feed inlet 4 and discharge port；The quantity of runner 9 is two, and two runners 9 are respectively provided with
In the outside of valve body 1, and two runners 9 are located at feed inlet 4 and discharge outlet respectively, and runner 9 is connected with feed inlet 4 and discharge port
Set, 9 inner wall of runner, valve seat 2 and 1 inner cavity of valve body and media contact position are both provided with wearing layer 5；Left flashboard 3 and right flashboard
Wearing layer 5 is both provided with towards fluid approach axis；Wearing layer 5 is made of structural ceramic material.Medium is through runner 9 from charging
Mouth 4 passes into 1 lumen portion of valve body and is flowed out from discharge port through runner 9.
Tied by the way that metal body lining will be respectively provided with into valve seat 2, runner 9, valve body 1 with media contact part, left and right flashboard
Wearing layer 5 made of structure ceramic material, both ensure that in media as well contain a large amount of granule dusts in the case of, valve it is wear-resisting
Property, corrosion resistance, but also the intensity of valve is improved due to the presence of metal body, ensure directly to hit in high intensity particle
The problem of being not in flashboard embrittlement during thin flashboard.
As optional embodiment, structural ceramic material includes carbide composite ceramics, silicon-nitride-based ceramic or metal
Ceramics.Structural ceramics is with excellent mechanical, heat such as high temperature resistant, resistance to erosion, corrosion-resistant, high rigidity, high intensity, low creeps rate
Learn, chemical property, be usually used in the advanced ceramics of various structure members, as the structural ceramics of structure member, by single or compound
Oxide or non-oxidized substance composition；Carbide composite ceramics is addition TiC, WC, TaC, NbC, Cr3C2 in Al2O3 matrixes
Deng component through sintering form；Structural ceramic material use herein is material of the prior art.
In order under conditions of fully flashboard wearability is improved, also ensure the strength and stiffness requirement of flashboard, left flashboard 3
It is made with right flashboard of alloy steel material.Since left flashboard 3 and right flashboard back can also touch medium, so using conjunction
Left flashboard 3 and right flashboard is made in golden Steel material, ensures the intensity at flashboard back, corrosion-resistant and wear-resisting property.
Valve seat 2 and valve body 1 are made of metal material.Due to valve seat 2 and valve body 1, contact medium part is not no too high
Intensity requirement, can be made of carbon steel material, so as to reduce production cost.
Further including connector 6, left flashboard 3 and the opposite side of right flashboard are respectively arranged with mounting groove 7, and the two of connector 6
End is detachably connected with left flashboard 3 and right flashboard respectively by mounting groove 7.Using detachable connection when flashboard needs replacing
When, it is convenient for disassembly and assembly time saving and energy saving to have the characteristics that.Due to 1 interconnecting piece 6 of valve body not contact medium, carbon steel material system can be used
Into so as to reduce production cost.
Preferably, connector 6 includes seated 61, fore-set 62 and elastic component 63, and 61 both ends of seated offer a groove respectively
611, the length of elastic component 63 is less than 611 depth of groove, and the quantity of elastic component 63 is two, and two elastic components 63 are separately positioned on
In two grooves 611, and elastic component 63 is fixedly connected with 611 bottom of groove, and 62 diameter of fore-set is less than 611 diameter of groove, fore-set
62 quantity is two, and two 62 one end of fore-set are fixedly connected with elastic component 63, and 62 other end of fore-set is fastened on mounting groove 7
It is interior.Elastic component 63 is plunger spring, and spring is arranged in groove 611, and spring is shorter than 611 depth of groove, 62 one end of fore-set
It is arranged in groove 611 and is fixedly connected with spring, 62 other end of fore-set is fastened in mounting groove 7, since fore-set 62 is rigidity knot
Structure, has the characteristics that stable connection is firm.
Valve rod 8 is further included, 8 one end of valve rod is connected with seated 61, and 8 other end of valve rod is pierced by from valve body 1 and is filled with pneumatic actuation
Put connection.
Preferably, 9 end set of runner has connecting flange 91, and wearing layer 5 is provided with 9 inner wall of runner, avoid medium into
Abrasion when going out valve body 1 to feed inlet 4 and discharge port.
In order to further improve the stability connected between fore-set 62 and flashboard, 7 orthographic projection of mounting groove is triangle,
Quadrangle or polygon.The cross sectional shape of fore-set 62 is identical with 7 shape of mounting groove, by by mounting groove 7 be arranged to polygon and
It is non-circular, connective stability can be improved, ensures that fore-set 62 will not rotate in a circumferential direction around mounting groove 7.
The top of seated 61 is provided with thread groove, and 8 end set of valve rod has the thread segment being adapted with thread groove.Using screw thread
Connection mode, is conveniently dismantled.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
- A kind of 1. novel wear resistant ceramics double-gate plate valve, it is characterised in that：Including valve body (1), valve seat (2), left flashboard (3), right lock Plate and runner (9), wherein：The valve seat (2) is arranged in the valve body (1)；The feed inlet (4) and discharge port for medium disengaging are provided with the valve seat (2)；The left flashboard (3) and the right flashboard are arranged between the feed inlet (4) and the discharge port；The quantity of the runner (9) is two, and two runners (9) are arranged on the outside of the valve body (1), and described in two Runner (9) connects setting with the feed inlet (4) and the discharge port respectively；Runner (9) inner wall, the valve seat (2) and the valve body (1) lumen contact fluid section are both provided with wearing layer (5)；The left flashboard (3) and the right flashboard are both provided with wearing layer (5) towards fluid approach axis；The wearing layer (5) is made of structural ceramic material.
- 2. novel wear resistant ceramics double-gate plate valve according to claim 1, it is characterised in that：The structural ceramic material includes Carbide composite ceramics, silicon-nitride-based ceramic or cermet.
- 3. novel wear resistant ceramics double-gate plate valve according to claim 1, it is characterised in that：The left flashboard (3) and described Right flashboard is made of alloy steel material.
- 4. novel wear resistant ceramics double-gate plate valve according to claim 1, it is characterised in that：The valve seat (2) and the valve Body (1) is made of metal material.
- 5. novel wear resistant ceramics double-gate plate valve according to claim 1, it is characterised in that：Connector (6) is further included, it is described Left flashboard (3) and the opposite side of the right flashboard are respectively arranged with mounting groove (7), and the both ends of the connector (6) pass through institute Mounting groove (7) is stated to be detachably connected with the left flashboard (3) and the right flashboard respectively.
- 6. novel wear resistant ceramics double-gate plate valve according to claim 5, it is characterised in that：The connector (6) includes connecting Seat (61), fore-set (62) and elastic component (63), seated (61) both ends offer a groove (611), the elastic component respectively (63) length is less than the groove (611) depth, and the quantity of the elastic component (63) is two, two elastic components (63) It is separately positioned in two grooves (611), and the elastic component (63) is fixedly connected with the groove (611) bottom, institute State fore-set (62) diameter and be less than the groove (611) diameter, the quantity of the fore-set (62) is two, two fore-sets (62) One end is fixedly connected with the elastic component (63), and fore-set (62) other end is fastened in the mounting groove (7).
- 7. novel wear resistant ceramics double-gate plate valve according to claim 6, it is characterised in that：Further include valve rod (8), the valve Bar (8) one end is connected with the seated (61), and valve rod (8) other end is pierced by from the valve body (1) and pneumatic actuating device Connection.
- 8. novel wear resistant ceramics double-gate plate valve according to claim 1, it is characterised in that：Runner (9) end set There is connecting flange (91).
- 9. novel wear resistant ceramics double-gate plate valve according to claim 6, it is characterised in that：Mounting groove (7) front view It is projected as triangle, quadrangle or polygon.
- 10. novel wear resistant ceramics double-gate plate valve according to claim 7, it is characterised in that：Set at the top of the seated (61) Thread groove is equipped with, valve rod (8) end set has the thread segment being adapted with the thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352917.3U CN207278915U (en) | 2017-10-19 | 2017-10-19 | A kind of novel wear resistant ceramics double-gate plate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352917.3U CN207278915U (en) | 2017-10-19 | 2017-10-19 | A kind of novel wear resistant ceramics double-gate plate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278915U true CN207278915U (en) | 2018-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721352917.3U Expired - Fee Related CN207278915U (en) | 2017-10-19 | 2017-10-19 | A kind of novel wear resistant ceramics double-gate plate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278915U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488409A (en) * | 2018-06-28 | 2018-09-04 | 烟台金泰美林科技股份有限公司 | Guiding valve |
| CN108533774A (en) * | 2018-07-09 | 2018-09-14 | 烟台金泰美林科技股份有限公司 | Ceramic guiding valve |
-
2017
- 2017-10-19 CN CN201721352917.3U patent/CN207278915U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488409A (en) * | 2018-06-28 | 2018-09-04 | 烟台金泰美林科技股份有限公司 | Guiding valve |
| CN108533774A (en) * | 2018-07-09 | 2018-09-14 | 烟台金泰美林科技股份有限公司 | Ceramic guiding valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20181019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |