CN203035994U - Corrosion resisting ceramic valve - Google Patents
Corrosion resisting ceramic valve Download PDFInfo
- Publication number
- CN203035994U CN203035994U CN 201220700524 CN201220700524U CN203035994U CN 203035994 U CN203035994 U CN 203035994U CN 201220700524 CN201220700524 CN 201220700524 CN 201220700524 U CN201220700524 U CN 201220700524U CN 203035994 U CN203035994 U CN 203035994U
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- ceramic
- valve
- pedestal
- metal
- corrosion
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Abstract
The utility model provides a corrosion resisting ceramic valve. The corrosion resisting ceramic valve comprises a metal valve body, a ceramic valve seat, a ceramic valve core, a valve rod and a driving device, wherein the ceramic valve seat is arranged in the metal valve body and comprises a cylindrical first seat body and a cylindrical second seat body, one end of the valve rod is rotatably arranged in the metal valve in a penetrating mode and is fixedly connected with the ceramic core, the other end of the valve rod is connected with the driving device, a cylindrical ceramic inner body is arranged on the periphery of the ceramic core in a sleeved mode, two ends of the ceramic inner body cover the cylindrical first seat body and the cylindrical second seat body. Compared with the prior art, due to the fact that the corrosion resisting ceramic valve is provided with a ceramic inner body structure, the metal valve body can not touch fluid in a pipeline. The corrosion resisting ceramic valve has the advantages of preventing the metal valve body from suffering corrosion and attrition caused by the fluid, improving corrosion resisting performance of the ceramic valve, thereby prolonging service life.
Description
[technical field]
The utility model relates to a kind of ceramic valve, relates in particular to a kind ofly to have than strong corrosion resistant and the ceramic ball valve that increases the service life by improving structure.
[background technique]
Ceramic ball valve is better than other materials at resistance to chemical attack, wear-resistant, high temperature resistant, anti-aspect of performance such as wash away, therefore ceramic ball valve is widely used in being difficult to use under the mal-condition of metal or other materials, as chemical device, incinerating waste material equipment, flue gas desulfurization device etc.
Existing ceramic ball valve structure generally comprises metal valve body, ceramic valve seat, spheres of ceramic spool, valve mandarin orange and drive unit, metal valve body connects two sections fluid lines, ceramic valve seat is located in the metal valve body, the spheres of ceramic spool is located between two ceramic valve seats rotationally, valve rod one end is connected on the spheres of ceramic valve core, the other end extends to outside the metal valve body and with drive unit and links to each other, thereby drive unit can drive ceramic valve core by valve rod and rotate, and switches thereby pipeline is blocked between the two states at connected sum.
The unlatching of ceramic ball valve is to dock with two segment pipes by the passage in its spheres of ceramic spool to realize, and when the passage in the spheres of ceramic spool and the dislocation of two segment pipes, ceramic ball valve is in closed condition, when this ceramic ball valve is in semi-closed state, access portal part in the spheres of ceramic spool faces toward the inwall of metal valve body facing to pipeline another part of its connection, therefore, ducted fluid can contact with the metal valve body inwall, thereby makes metal valve body be corroded and wear and tear and reduce its working life.
In addition, the end that valve rod is connected with the spheres of ceramic core is many water chestnuts cylindricality, the corresponding polygonal hole that is not mated on the spheres of ceramic spool, thereby valve rod can drive the spheres of ceramic valve core rotation, because valve rod directly contacts with this polygonal hole, make the spheres of ceramic spool impaired and reduce its working life in the rotation process easily.
Therefore, necessaryly provide a kind of new ceramic ball valve, its metal valve body inwall reduces the shortcoming in life-span because of directly contacting to be corroded and wear and tear with ducted fluid when overcoming existing ceramic ball valve and being in half-open semi-closure, prolongs the working life of ball valve by the raising corrosion resistance.
[model utility content]
The technical problem that the utility model solves is to provide a kind of corrosion-resistant ceramic valve, and it can overcome existing ceramic ball valve and reduces because of the unreasonable valve body corrosion resistance that causes of linkage structure of its valve rod and ceramic valve core, and the ceramic valve core that the while also is is cracky not.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: a kind of corrosion-resistant ceramic valve, comprise metal valve body, ceramic valve seat, ceramic Tao Xin, valve rod and drive unit, described ceramic valve seat is located in the metal valve body and is comprised columnar first pedestal and second pedestal, described ceramic Tao Xin spherical in shape and rotationally the folder establish between first pedestal and second pedestal, described ceramic Tao Xin is provided with the valve opening that docks with first pedestal, second pedestal; One end of described valve rod is arranged in the described metal valve body and with described ceramic Tao Xin rotationally fixedlys connected, the other end of described valve rod is connected with described drive unit, described ceramic Tao Xin periphery is arranged with a columnar ceramic endosome, and the two ends of this pottery endosome are coated on respectively on first pedestal and second pedestal.
As the further improvement of the technical program, described valve rod is provided with an inner end that is connected with ceramic Tao Xin, and this inner end is many water chestnuts cylindricality, and described ceramic Tao Xin goes up the corresponding many water chestnuts cylindrical hole that cooperates with described inner end that is provided with.
As the further improvement of the technical program, be provided with a metal lining between the inner end of described valve rod and the many water chestnuts post hole.
Further improvement as the technical program, described first pedestal and second pedestal are equipped with the collar flange that stretches out and form, described ceramic endosome two ends are coated on the described collar flange outside respectively, and an end face of described ceramic endosome and the collar flange place corresponding with it are provided with an Expanded graphite sealing gasket.
Compared with prior art, corrosion-resistant ceramic valve described in the utility model is owing to have body structure in the pottery, therefore, metal valve body can not contact with the fluid in the pipeline, guaranteed that it can not be subjected to corrosion and the wearing and tearing of fluid, improve the corrosion resistance of ceramic valve, thereby prolonged working life.
[description of drawings]
Fig. 1 is the structural representation of corrosion-resistant ceramic valve described in the utility model.
Fig. 2 is the three-dimensional exploded view of the ceramic valve seat of corrosion-resistant ceramic valve described in the utility model, ceramic Tao Xin, ceramic endosome, valve rod.
[embodiment]
See also Figure 1 and Figure 2, ceramic valve seat, ceramic Tao Xin 3, valve rod 4 and drive unit 5 that the utility model provides a kind of corrosion-resistant ceramic valve to comprise metal valve body 1, be made up of first pedestal 21 and second pedestal 22.
The cylinder that is shaped as a horizontal positioned of metal valve body 1, two end periphery stretch out to form respectively bulge loop 11,12 are installed, and metal valve body 1 can be fixedlyed connected with two segment pipes by installing on the bulge loop 11,12; First pedestal 1, second pedestal 2 also are cylindrical shape, and left and right symmetrically is embedded at the left and right sides in metal valve body 1 cavity; First pedestal 1 all stretches out with second pedestal, 2 relative inner end outer circumferential faces and forms collar flange 211,221 respectively, the ceramic endosome 6 of another tubular, the middle part of metal valve body 1 cavity inside, its inner circle wall is coated on this two collar flange 211,221 peripheries respectively by two end part, is respectively equipped with viton seal ring 81,82 by between the two end part between the collar flange 211 of this first pedestal 21 and second pedestal 22,221 outer circumferential faces and ceramic endosome 6 inwalls.
One end of cylindrical metal valve body 1 cavity extends internally and forms a clasp 13, fasten outside the corresponding end-faces of the outer side surface of collar flange 211 of first pedestal 21 and ceramic endosome 6, so that first do body 21 and ceramic endosome 6 can outwards not slide, be provided with an Expanded graphite sealing gasket 71 therebetween; The other end ecto-entad of metal valve body 1 cavity is inserted with the gland 9 of a sleeve shape, the periphery wall of this gland 9 is fixedlyed connected with metal valve body 1 cavity perisporium by screw-thread fit, its inner circle wall contacts with second pedestal, 22 periphery walls, surface of contact is folded with a viton seal ring 83, the corresponding end-faces of the collar flange 211 of the interior edge face of this gland 9 and second pedestal 22,221 outer side surface and ceramic endosome 6 is relative, also is folded with an Expanded graphite sealing gasket 72 therebetween.
Pottery Tao Xin 3 is spherical, first pedestal 21, second pedestal, 22 opposing end faces also should be concave arc surface mutually, this pottery Tao Xin 3 is located between the cambered surface of first pedestal 21 and second pedestal 22 rotationally, the pottery Tao Xin 3 be provided with two ends can with first pedestal 21, the valve opening 30 of the cavity butt joint of second pedestal 22, when ceramic Tao Xin 3 rotates, its valve opening 30 can be with first pedestal 21, second pedestal 22 is communicated with to get up, pottery Tao Xin 3 is coated within the ceramic endosome 6, therefore no matter which kind of angle ceramic Tao Xin 3 turns to, through first pedestal 21, the fluid of second pedestal 22 can not contact with the inwall of metal valve body 1.
Pottery endosome 6 is provided with a through hole 60, one end of valve rod 4 is arranged in the metal valve body 1 rotationally, and pass this through hole 60, fixedly connected with ceramic Tao Xin 3, the other end is connected with a drive unit 5, valve rod 4 be connected with ceramic Tao Xin 3 inner end 44 be many water chestnuts cylindricality, corresponding one or the four water chestnut cylindrical holes 300 that are provided with on the pottery Tao Xin 3, the inner end 44 of valve rod is inserted in this many water chestnuts post hole 300, be provided with a metal lining 40 between these inner end 44 periphery walls and this many water chestnut post hole 300 sidewalls, this metal lining 40 makes many water chestnuts post hole 300 perisporiums of ceramic Tao Xin 3 more not be subject to valve rod 4 influences and breakage.
Aforesaid drive unit 5 is Pneumatic actuator, its structure and working principle are prior art, main effect is to drive valve rod 4 to rotate, be not described in detail in this, this drive unit 5 is fixedlyed connected with metal valve body 1 by a scaffold 51, valve rod 4 is provided with two places Expanded graphite stuffing box packing 41,42 turning between diverse location and the metal valve body 1, Expanded graphite stuffing box packing 41 outsides are provided with Gland 43, and Gland 43 is fixed on the metal valve body 1 by a fixing device 431.
Metal valve body 1 slightly outwards caves in ceramic endosome 6 opposed inside walls middle part, forms an annular gaps 10, so that ceramic endosome 6 more is not subject to metal valve body 1 influence and wearing and tearing or damaged.
Compared with prior art, corrosion-resistant ceramic valve described in the utility model is owing to have body structure in the pottery, therefore, metal valve body can not contact with the fluid in the pipeline, guaranteed that it can not be subjected to corrosion and the wearing and tearing of fluid, improve the corrosion resistance of ceramic valve, thereby prolonged working life.In addition, it also has good sealing structure, and the fluid in the pipeline can not leaked and the corroding metal valve body, and the reasonable in design of valve seat, ceramic endosome, has avoided ceramic frangible defective because having itself, and has dismantled convenience easy to maintenance.
The above; it only is most preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; any those of ordinary skill in the art; do not breaking away under the technical solutions of the utility model scope situation; utilize the method content of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, all belong to the scope of claims protection.
Claims (4)
1. corrosion-resistant ceramic valve, comprise metal valve body, ceramic valve seat, ceramic Tao Xin, valve rod and drive unit, described ceramic valve seat is located in the metal valve body and is comprised columnar first pedestal and second pedestal, described ceramic Tao Xin spherical in shape and rotationally the folder establish between first pedestal and second pedestal, described ceramic Tao Xin is provided with the valve opening that docks with first pedestal, second pedestal; One end of described valve rod is arranged in the described metal valve body and with described ceramic Tao Xin rotationally fixedlys connected, the other end of described valve rod is connected with described drive unit, it is characterized in that: described ceramic Tao Xin periphery is arranged with a columnar ceramic endosome, and the two ends of this pottery endosome are coated on respectively on first pedestal and second pedestal.
2. corrosion-resistant ceramic valve according to claim 1, it is characterized in that: described valve rod is provided with an inner end that is connected with ceramic Tao Xin, and this inner end is many water chestnuts cylindricality, and described ceramic Tao Xin goes up the corresponding many water chestnuts cylindrical hole that cooperates with described inner end that is provided with.
3. corrosion-resistant ceramic valve according to claim 2 is characterized in that: be provided with a metal lining between the inner end of described valve rod and the many water chestnuts post hole.
4. corrosion-resistant ceramic valve according to claim 3, it is characterized in that: described first pedestal and second pedestal are equipped with the collar flange that stretches out and form, described ceramic endosome two ends are coated on the described collar flange outside respectively, and an end face of described ceramic endosome and the collar flange place corresponding with it are provided with an Expanded graphite sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700524 CN203035994U (en) | 2012-12-18 | 2012-12-18 | Corrosion resisting ceramic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700524 CN203035994U (en) | 2012-12-18 | 2012-12-18 | Corrosion resisting ceramic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035994U true CN203035994U (en) | 2013-07-03 |
Family
ID=48688123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220700524 Expired - Fee Related CN203035994U (en) | 2012-12-18 | 2012-12-18 | Corrosion resisting ceramic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578609A (en) * | 2019-01-23 | 2019-04-05 | 艾思瑞流体控制有限公司 | A kind of band prevents the ceramic valve of spool stress fracture protection structure |
-
2012
- 2012-12-18 CN CN 201220700524 patent/CN203035994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578609A (en) * | 2019-01-23 | 2019-04-05 | 艾思瑞流体控制有限公司 | A kind of band prevents the ceramic valve of spool stress fracture protection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131218 |