CN203421208U - Scouring-resistant abrasion-resistant corrosion-resistant medium-high pressure ceramic ball and ceramic ball valve - Google Patents
Scouring-resistant abrasion-resistant corrosion-resistant medium-high pressure ceramic ball and ceramic ball valve Download PDFInfo
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- CN203421208U CN203421208U CN201320350159.7U CN201320350159U CN203421208U CN 203421208 U CN203421208 U CN 203421208U CN 201320350159 U CN201320350159 U CN 201320350159U CN 203421208 U CN203421208 U CN 203421208U
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Abstract
The utility model relates to a scouring-resistant abrasion-resistant corrosion-resistant medium-high pressure ceramic ball and a ceramic ball valve. The scouring-resistant abrasion-resistant corrosion-resistant medium-high pressure ceramic ball and the ceramic ball valve are special for a medium delivery pipe. The scouring-resistant abrasion-resistant corrosion-resistant medium-high pressure ceramic ball is used as the ceramic ball of the ceramic ball valve. A ceramic inner sleeve is installed on the inner side of a steel cylinder, the outer lateral side of the steel cylinder and a spherical ceramic inlaid piece are respectively provided with dovetail inlaid grooves, the dovetail inlaid grooves are mutually meshed, the spherical ceramic inlaid piece is tightly combined with the steel cylinder, the ceramic ball is arranged in a middle valve body between a left valve body and a right valve body, a steel upper valve rod and a steel lower valve rod are both directly connected with a steel ball through valve rod bases fastened through bolts, and two ceramic valve bases are arranged on the left valve body and the right valve body respectively. The perfect combination of the steel cylinder and ceramic materials is achieved, the ceramic ball valve has the advantages of being resistant to scouring, abrasions, corrosion and the high pressure, the service life of the ceramic ball valve is greatly prolonged, and meanwhile the requirement of the medium-high pressure large-caliber ceramic ball valve can be met.
Description
Technical field
The utility model belongs to ball valve technical field, is specifically related to the wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid of resistance to erosion and the ceramic ball valve of a kind of medium transport pipeline special use.
Background technique
Ball valve has compact structure, it is reliable, simple in structure, easy to maintenance to seal, sealing surface and the sphere closed state of being everlasting, be difficult for by medium erosion, be easy to fast opening and closing, the feature such as easy operating and maintenance, so ball valve is widely used in oil, chemical industry, metallurgy, electric power, water conservancy, medicine and other fields.In addition, ball valve is also so that its volume is little, lightweight, consumptive material is little, installation dimension is little, and the little advantage of driving moment, becomes one of valve with fastest developing speed in the last few years.Ball valve is mainly used in cutting off, distributes and changes media flow direction on pipeline, and the ball valve of design forming V-shape opening also has good flow regulating function.Particularly U.S., day, moral, method, Yi, Xi,Ying Deng industrially developed country, the application of ball valve is very extensive, kind and quantity are still continuing expansion, and there is multi-functional future development to high temperature, high pressure, heavy caliber, high leak tightness, high wear resistance, long lifetime, good adjusting function and a ball valve, its reliability and other performance index all reach higher level, and part replaces gate valve, stop valve, throttle valve.Yet when conveying has corrosivity or erosion fluid, the valve seat of ball valve and ball must adopt corrosion-resistant or high hardness wear-resisting material.Using effect best material is first-elected ceramic at present, and for example aluminium oxide, zirconia ceramics all have good wear resistance, and zirconia ceramics also has the characteristic of selflubricating, can greatly reduce the switching moment of torsion of valve.Although stupalith hardness is very high, and there is very high compressive strength, but performance counter-bending and that shear is very poor, the joint of steel valve rod and spheres of ceramic is very easily damaged, spheres of ceramic can not bear higher fluid medium pressure simultaneously, so the application of ceramic ball valve is only confined to small-bore environment under low pressure at present.
Model utility content
The utility model object is to overcome the deficiencies in the prior art and the wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid of a kind of resistance to erosion and ceramic ball valve is provided, although solved ceramic ball valve resistance to erosion, wear-resistant, corrosion-resistant narrow limitation and the flimsy problem of steel valve rod and spheres of ceramic joint that only limits to small-bore environment under low pressure application.
The utility model is achieved in that the wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid of a kind of resistance to erosion, spheres of ceramic as the wear-resistant corrosion-resistant middle-high-pressure ceramic ball valve of resistance to erosion, comprise steel cylinder, it is characterized in that: in steel cylinder inner side, ceramic inner sleeve is installed, on steel cylinder outer side surface, offer dovetail embedding groove, on sphere pottery empiecement, offer the dovetail embedding groove being meshed with the dovetail embedding groove of offering on steel cylinder outer side surface, sphere pottery empiecement is combined closely by dovetail embedding groove and steel cylinder, on steel cylinder, be provided with upper valve rod seat and lower valve rod seat, upper valve rod seat is connected with steel cylinder by bolt with lower valve rod seat.
Described sphere pottery empiecement and steel cylinder are by tackiness agent close adhesion.
Described ceramic inner sleeve and sphere pottery empiecement have covered spheres of ceramic sealing surface jointly, and sealing surface refers to the face that spheres of ceramic and valve seat fit tightly mutually.
Described ceramic inner sleeve and sphere pottery empiecement have covered the steel drum surface that is exposed to flowing medium jointly, and the steel drum surface that is exposed to flowing medium refers to steel cylinder inner surface and steel cylinder outer surface.
A kind of resistance to erosion is wear-resistant corrosion-resistant middle-high-pressure ceramic ball valve, comprise the spheres of ceramic being connected with valve rod, the valve seat bonded to each other with spheres of ceramic, the valve body being fixedly connected with valve seat, it is characterized in that: valve body is divided into left valve barrel, right valve barrel and middle valve body, middle valve body is fixedly connected with right valve barrel with left valve barrel respectively, spheres of ceramic is arranged in the middle valve body between left valve barrel and right valve barrel, upper valve rod is all directly connected with steel cylinder with lower valve rod, two valve seats are separately positioned on left valve barrel and right valve barrel, and mutually fit tightly with spheres of ceramic.
Described left valve barrel, right valve barrel, middle valve body, upper valve rod, lower valve rod adopt steel material, and valve seat adopts stupalith.
The utlity model has following good effect: 1, in steel cylinder inner side, install ceramic inner sleeve and steel cylinder outer side surface additional and inlay sphere pottery empiecement and not only make the processing assembling of ceramic ball valve easier, and the ceramic ball valve hardness ratio the processing ceramic ball valve hardness with sprayfused coating had and significantly improve, increased the wearability of ceramic ball valve; 2, due to the stupalith physical propertys such as zirconium oxide or aluminium oxide and chemical property all more stable, so under long-time soda acid fluid scouring, neither contaminated-fluid medium has kept again resistance to erosion, the corrosion resistance of ceramic ball valve, and it is more even that the spheres of ceramic that adds ceramic inner sleeve is subject to washing away of flowing medium, make ceramic ball valve bring up to one to two year service time from existing half a year, greatly extend the working life of ceramic ball valve, reduced the cost of enterprise's production and processing; 3, adopt steel cylinder as the matrix of spheres of ceramic, increased the intensity of spheres of ceramic, can bear higher fluid medium pressure, therefore by the present invention, can manufacture middle-high-pressure ceramic ball valve; 4, steel valve rod is directly connected on steel cylinder by the valve rod base by bolton, can bear higher moment of torsion, zirconia ceramics material has self lubricity, the frictional force of ceramic valve seat and spheres of ceramic while greatly having reduced valve opening and closing, reduce valve opening and closing moment of torsion, therefore by the present invention, can manufacture larger caliber ceramic ball valve.
Accompanying drawing explanation
Fig. 1 is the crosscut cross-sectional view of the wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid of resistance to erosion.
Fig. 2 is that the wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid of resistance to erosion is along B-B rip cutting cross-sectional view.
Fig. 3 is the wear-resistant corrosion-resistant middle-high-pressure ceramic ball-valve structure schematic diagram of resistance to erosion.
Embodiment
Embodiment: as Fig. 1, shown in Fig. 2, a kind of resistance to erosion is wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid, spheres of ceramic 13 as the wear-resistant corrosion-resistant middle-high-pressure ceramic ball valve of resistance to erosion, comprise steel cylinder 3, it is characterized in that: in steel cylinder 3 inner sides, ceramic inner sleeve 2 is installed, on steel cylinder 3 outer side surfaces, offer dovetail embedding groove, on sphere pottery empiecement 1, offer the dovetail embedding groove being meshed with the dovetail embedding groove of offering on steel cylinder 3 outer side surfaces, sphere pottery empiecement 1 is combined closely by dovetail embedding groove and steel cylinder 3, simultaneously, sphere pottery empiecement 1 and steel cylinder 3 are by tackiness agent close adhesion, on steel cylinder 3, be provided with upper valve rod seat 4 and lower valve rod seat 6, upper valve rod seat 4 is connected with steel cylinder 3 by bolt 5 with lower valve rod seat 6, blank with steel cylinder 3 as spheres of ceramic 13, greatly improved the intensity of ceramic ball valve, can bear higher fluid medium pressure.
Described ceramic inner sleeve 2 and sphere pottery empiecement 1 have covered spheres of ceramic 13 sealing surfaces jointly, sealing surface refers to the face that spheres of ceramic 13 and valve seat 12 fit tightly mutually, and, pottery inner sleeve 2 and sphere pottery empiecement 1 have covered steel cylinder 3 surfaces that are exposed to flowing medium jointly, steel cylinder 3 surfaces that are exposed to flowing medium refer to steel cylinder 3 internal surfaces and steel cylinder 3 outer surfaces, pottery inner sleeve 2 and sphere pottery empiecement 1 can be selected zirconium oxide or alumina ceramic materials, because the lubricity of zirconia material self, the frictional force of valve seat 12 and spheres of ceramic 13 in the time of can greatly having reduced like this ceramic ball valve keying, reduce ceramic ball valve open and close torque, thereby greatly extended the working life of ceramic ball valve.
As shown in Figure 3, a kind of resistance to erosion is wear-resistant corrosion-resistant middle-high-pressure ceramic ball valve, comprise the spheres of ceramic 13 being connected with valve rod, the valve seat 12 bonded to each other with spheres of ceramic 13, the valve body being fixedly connected with valve seat 12, it is characterized in that: valve body is divided into left valve barrel 7, right valve barrel 8 and middle valve body 9, middle valve body 9 is fixedly connected with right valve barrel 8 with left valve barrel 7 respectively, spheres of ceramic 4 is arranged in the middle valve body 9 between left valve barrel 7 and right valve barrel 8, upper valve rod 10 is all directly connected with steel cylinder 3 with lower valve rod 11, two valve seats 12 are separately positioned on left valve barrel 7 and right valve barrel 8, and mutually fit tightly with spheres of ceramic 13, described left valve barrel 7, right valve barrel 8, middle valve body 9, upper valve rod 10, lower valve rod 11 adopts steel material, can bear higher moment of torsion, valve seat 12 adopts stupalith, make ceramic ball valve more durable in use.
Realize the perfect adaptation of steel cylinder and stupalith, made ceramic ball valve there is the feature of resistance to erosion, wear-resistant, corrosion-resistant, resistance to mesohigh, greatly increased the working life of ceramic ball valve, can meet the demand of heavy caliber ceramic ball valve simultaneously.
Claims (6)
1. the wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid of resistance to erosion, spheres of ceramic as the wear-resistant corrosion-resistant middle-high-pressure ceramic ball valve of resistance to erosion, comprise steel cylinder, it is characterized in that: in steel cylinder inner side, ceramic inner sleeve is installed, on steel cylinder outer side surface, offer dovetail embedding groove, on sphere pottery empiecement, offer the dovetail embedding groove being meshed with the dovetail embedding groove of offering on steel cylinder outer side surface, sphere pottery empiecement is combined closely by dovetail embedding groove and steel cylinder, on steel cylinder, be provided with upper valve rod seat and lower valve rod seat, upper valve rod seat is connected with steel cylinder by bolt with lower valve rod seat.
2. the wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid of resistance to erosion according to claim 1, is characterized in that: described sphere pottery empiecement and steel cylinder are by tackiness agent close adhesion.
3. the wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid of resistance to erosion according to claim 1, it is characterized in that: described ceramic inner sleeve and sphere pottery empiecement have covered spheres of ceramic sealing surface jointly, and sealing surface refers to the face that spheres of ceramic and valve seat fit tightly mutually.
4. the wear-resistant corrosion-resistant middle-high-pressure ceramic spheroid of resistance to erosion according to claim 1, it is characterized in that: described ceramic inner sleeve and sphere pottery empiecement have covered the steel drum surface that is exposed to flowing medium jointly, and the steel drum surface that is exposed to flowing medium refers to steel cylinder inner surface and steel cylinder outer surface.
5. the wear-resistant corrosion-resistant middle-high-pressure ceramic ball valve of resistance to erosion, comprise the spheres of ceramic being connected with valve rod, the valve seat bonded to each other with spheres of ceramic, the valve body being fixedly connected with valve seat, it is characterized in that: valve body is divided into left valve barrel, right valve barrel and middle valve body, middle valve body is fixedly connected with right valve barrel with left valve barrel respectively, spheres of ceramic is arranged in the middle valve body between left valve barrel and right valve barrel, upper valve rod is all directly connected with steel cylinder with lower valve rod, two valve seats are separately positioned on left valve barrel and right valve barrel, and mutually fit tightly with spheres of ceramic.
6. the wear-resistant corrosion-resistant middle-high-pressure ceramic ball valve of resistance to erosion according to claim 5, is characterized in that: described left valve barrel, right valve barrel, middle valve body, upper valve rod, lower valve rod adopt steel material, and valve seat adopts stupalith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350159.7U CN203421208U (en) | 2013-06-19 | 2013-06-19 | Scouring-resistant abrasion-resistant corrosion-resistant medium-high pressure ceramic ball and ceramic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350159.7U CN203421208U (en) | 2013-06-19 | 2013-06-19 | Scouring-resistant abrasion-resistant corrosion-resistant medium-high pressure ceramic ball and ceramic ball valve |
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| Publication Number | Publication Date |
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| CN203421208U true CN203421208U (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320350159.7U Expired - Fee Related CN203421208U (en) | 2013-06-19 | 2013-06-19 | Scouring-resistant abrasion-resistant corrosion-resistant medium-high pressure ceramic ball and ceramic ball valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291951A (en) * | 2013-06-19 | 2013-09-11 | 杨涛 | Scouring-resistant wear-resistant corrosion-resistant mid-high pressure ceramic ball valve and manufacturing method thereof |
| CN105465399A (en) * | 2015-12-19 | 2016-04-06 | 重庆市万通仪器仪表有限公司 | Valve with ceramic protecting lip |
| CN112145734A (en) * | 2019-06-28 | 2020-12-29 | 中核核电运行管理有限公司 | Erosion-corrosion-resistant ceramic ball valve |
-
2013
- 2013-06-19 CN CN201320350159.7U patent/CN203421208U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291951A (en) * | 2013-06-19 | 2013-09-11 | 杨涛 | Scouring-resistant wear-resistant corrosion-resistant mid-high pressure ceramic ball valve and manufacturing method thereof |
| CN103291951B (en) * | 2013-06-19 | 2016-03-16 | 杨涛 | Resistance to erosion is wear-resistant corrosion-resistant middle-high-pressure ceramic ball valve and preparation method thereof |
| CN105465399A (en) * | 2015-12-19 | 2016-04-06 | 重庆市万通仪器仪表有限公司 | Valve with ceramic protecting lip |
| CN105465399B (en) * | 2015-12-19 | 2018-06-22 | 重庆市万通仪器仪表有限公司 | Valve with ceramics protection lip |
| CN112145734A (en) * | 2019-06-28 | 2020-12-29 | 中核核电运行管理有限公司 | Erosion-corrosion-resistant ceramic ball valve |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20160619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |