CN202646764U - Special high-temperature high-pressure oxygen ball valve - Google Patents
Special high-temperature high-pressure oxygen ball valve Download PDFInfo
- Publication number
- CN202646764U CN202646764U CN 201220337546 CN201220337546U CN202646764U CN 202646764 U CN202646764 U CN 202646764U CN 201220337546 CN201220337546 CN 201220337546 CN 201220337546 U CN201220337546 U CN 201220337546U CN 202646764 U CN202646764 U CN 202646764U
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- valve
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- sealing
- ball
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Abstract
The utility model relates to a special high-temperature high-pressure oxygen ball valve. The ball valve comprises valve bodies, a ball body, a valve seat, a valve rod, a support, a transmission mechanism, a sealing member and a mounting piece, wherein the valve bodies consist of a left valve body, a middle valve body and a right valve body; the valve seat adopts a floating type structure; a mortise-groove type metal gasket sealing structure is arranged between the middle valve body and the left valve body as well as between the middle valve body and the right valve body; the ball body and the valve seat are sealed by a hard sealing surface in a matching mode; and a wedged oil-free graphite sealing ring is arranged between the back surface of the valve seat and the spring seat as well as among the inner walls of the valve bodies. The ball valve has the advantages of high temperature resistance, high pressure resistance, high fireproof performance, reliable sealing performance and the like, and the high-temperature high-pressure high-purity oxygen ball valve is suitable for occasions where large-scale petrifaction devices, gasification systems of chemical engineering devices and the like are arranged.
Description
Technical field
The utility model relates to valve field, particularly about a kind of ball valve.The utility model is suitable for the High Temperature High Pressure high-purity oxygen ball valve of the occasions such as large-scale petrochemical device, chemical plant installations gasification system.
Background technique
Along with developing rapidly of the modernization of industry, the parameter of large-scale petrochemical device, chemical plant installations is improving constantly, and the parameter area of oxygen valve is also improving constantly, and the demand of oxygen valve and range of needs are also in continuous expansion.Because medium is the oxygen of high pressure, high-purity, high flow rate, the highly purified oxygen high speed flow of high pressure mistake sharply rises temperature with pipeline friction and bump, and temperature can reach 300～400 ℃.Prior art adopts soft sealing structure usually, lumen is with bolts, O type rubber seal or teflon gasket sealing, valve seat and filler adopt polytetrafluoroethylmaterial material, support is open type and the cloche structure of band sealing is housed, its serviceability temperature and pressure are low, and fireproof performance is poor, can not be satisfied with the working condition requirement of High Temperature High Pressure high purity oxygen air pipe.
Summary of the invention
The purpose of this utility model is the shortcoming that exists for prior art, and a kind of high temperature resistant, high pressure resistant, High Temperature High Pressure Special ball valve for oxygen that fireproof performance is good is provided.
The technical solution of the utility model comprises valve body, spheroid, valve seat, valve rod, support, driving mechanism, Sealing and assembling set, valve body is comprised of left valve barrel, middle valve body, right valve barrel, valve seat adopts floating structure, mainly be to adopt respectively tenon-slot type metallic shim sealing configuration between middle valve body and left valve barrel, the right valve barrel, spheroid and valve seat adopt hard sealing surface fitted seal, are provided with wedge shape between the valve seat back side and spring seat and the valve interior wall without oilstone China ink seal ring.
In above technological scheme, between spring seat and spring chamber, be provided with dust-proof seal ring.
In above technological scheme, be provided with Stuffing box between valve rod and the middle valve body, Stuffing box stretches in the spheroid, its cylindrical and spheroid movingly, endoporus cooperates with the valve rod motive sealing.
In above technological scheme, support adopts full-enclosed structure.
The utility model beneficial effect compared with prior art is: between middle valve body and the left and right sides valve body, all adopt hard sealing structure between valve seat and spheroid, valve seat and the valve body, have the advantages such as high temperature resistant, high pressure resistant, that fireproof performance is good, sealability is reliable.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
High Temperature High Pressure Special ball valve for oxygen as shown in Figure 1, comprise valve body, spheroid 10, valve seat 9, valve rod 11, support 13, driving mechanism, Sealing and assembling set, valve body is by left valve barrel 3, middle valve body 2, right valve barrel 14 forms, valve seat 9 adopts floating structure, middle valve body 2 and left valve barrel 3, adopt respectively tenon-slot type metallic shim sealing configuration between the right valve barrel 14, described tenon-slot type metallic shim sealing configuration is for making groove in middle valve body 2 left and right sides both ends of the surface, metallic gasket 4, left valve barrel 3 are installed in the groove, make respectively in the end face of right valve barrel 14 with middle valve body 2 on the convex shoulder that cooperatively interacts of groove.Spheroid 10 and valve seat 9 adopts hard sealing surface fitted seal, adopts wedge shape to seal without oilstone China ink seal ring 8 between valve seat 9 back sides and spring seat 7 and the valve interior wall, and pressure more high sealing is better, makes ball valve have the characteristics such as high temperature resistant, high pressure resistant, wear-resistant, fire prevention.Between spring seat 7 and spring chamber 5, be provided with dust-proof seal ring 6, this dust-proof seal ring 6 adopts without oilstone China ink dust ring, prevent that foreign matter from entering in the spring chamber 5, guarantee that at high temperature other thermal expansion of parts can be absorbed by spring, guarantee that valve at high temperature can not risen extremely, guarantee to open and close flexibly under the high temperature, can effectively guarantee that the valve pocket superpressure discharges simultaneously.Be provided with Stuffing box 12 between valve rod 11 and the middle valve body 2, Stuffing box 12 stretches in the spheroid 10, its cylindrical and spheroid 10 movingly, endoporus cooperates with valve rod 11 motive sealings, reduces ball valve and opens and closes moment.Valve rod 11 lower ends are fixedly connected with spheroid 10, and the upper end is connected with driving mechanism.Support 13 adopts full-enclosed structure, prevents that impurity from entering packing seal place.Spheroid 10 lower ends are supported by lower support bar 1 and are consisted of fixedly spherical structure.
Claims (4)
1. High Temperature High Pressure Special ball valve for oxygen, comprise valve body, spheroid (10), valve seat (9), valve rod (11), driving mechanism, Sealing and assembling set, valve body is by left valve barrel (3), middle valve body (2), right valve barrel (14) forms, valve seat (9) adopts floating structure, it is characterized in that middle valve body (2) and left valve barrel (3), adopt respectively tenon-slot type metallic shim sealing configuration between the right valve barrel (14), spheroid (10) and valve seat (9) adopt hard sealing surface fitted seal, are provided with wedge shape between valve seat (9) back side and spring seat (7) and the valve interior wall without oilstone China ink seal ring (8).
2. High Temperature High Pressure Special ball valve for oxygen according to claim 1 is characterized in that being provided with dust-proof seal ring (6) between spring seat (7) and spring chamber (5).
3. High Temperature High Pressure Special ball valve for oxygen according to claim 1 and 2, it is characterized in that being provided with Stuffing box (12) between valve rod (11) and the middle valve body (2), Stuffing box (12) stretches in the spheroid (10), its periphery and spheroid (10) movingly, endoporus cooperates with valve rod (11) motive sealing.
4. High Temperature High Pressure Special ball valve for oxygen according to claim 1 and 2 is characterized in that support (13) adopts full-enclosed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337546 CN202646764U (en) | 2012-07-09 | 2012-07-09 | Special high-temperature high-pressure oxygen ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337546 CN202646764U (en) | 2012-07-09 | 2012-07-09 | Special high-temperature high-pressure oxygen ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202646764U true CN202646764U (en) | 2013-01-02 |
Family
ID=47415873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220337546 Expired - Fee Related CN202646764U (en) | 2012-07-09 | 2012-07-09 | Special high-temperature high-pressure oxygen ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202646764U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711927A (en) * | 2013-06-04 | 2014-04-09 | 烟台开发区金泰美林科技有限公司 | High-pressure high-temperature ceramic adjusting ball valve |
| CN104265938A (en) * | 2014-10-21 | 2015-01-07 | 成都市翻鑫家科技有限公司 | Rod and core integrated metal hard sealing ball valve |
| CN104930214A (en) * | 2015-07-15 | 2015-09-23 | 洞头华夏阀门有限公司 | Rapid installation type high pressure floating ball valve |
-
2012
- 2012-07-09 CN CN 201220337546 patent/CN202646764U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711927A (en) * | 2013-06-04 | 2014-04-09 | 烟台开发区金泰美林科技有限公司 | High-pressure high-temperature ceramic adjusting ball valve |
| CN104265938A (en) * | 2014-10-21 | 2015-01-07 | 成都市翻鑫家科技有限公司 | Rod and core integrated metal hard sealing ball valve |
| CN104930214A (en) * | 2015-07-15 | 2015-09-23 | 洞头华夏阀门有限公司 | Rapid installation type high pressure floating ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20160709 |