CN2720209Y - Composite wear-resisting tungsten alloy sealed feeding valve - Google Patents
Composite wear-resisting tungsten alloy sealed feeding valve Download PDFInfo
- Publication number
- CN2720209Y CN2720209Y CN 200420078909 CN200420078909U CN2720209Y CN 2720209 Y CN2720209 Y CN 2720209Y CN 200420078909 CN200420078909 CN 200420078909 CN 200420078909 U CN200420078909 U CN 200420078909U CN 2720209 Y CN2720209 Y CN 2720209Y
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- CN
- China
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- valve
- tungsten alloy
- end cap
- end cover
- discharge port
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- Expired - Fee Related
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Abstract
The utility model relates to a composite wear-resisting tungsten alloy sealed feeding valve for controlling the abrasive and corrosive in and out materials of the dust medium, applied to power plants, mines, lime burning plants, cement factories, etc. The utility model comprises a valve base and a valve body. The valve base comprises an upper end cover, an intermediate body and a lower end cover. The upper end cover is provided with a feed inlet. The lower end cover is provided with a discharge port. The valve body is provided with an upper valve plate and a lower valve plate. A groove loop is arranged in the correspondeding position between the upper valve plate and the lower valve plate. A tungsten alloy sealing ring is arranged in the groove loop. The feed inlet is a circular tube whose diameter is consistent. The discharge port is a channel. The shape of the upper port of the discharge port is accordant with the shape of the lower end cover. The lower port of the channel is circular. The utility model has the advantages of simple structure, convenient manufacture and installation and flexible start and stop. The phenomenon of the ash and dust deposition is avoided. The sealing ring has the advantages of high temperature resistance, strong abrasion resistance and excellent sealing performance. The service life of the product is prolonged.
Description
Affiliated technical field
The utility model relates to a kind of valve, especially a kind of valve that is applicable to that power plant, mine, Lime Factory, cement plant etc. are controlled the dust medium feeding and discharging that wearing and tearing, corrosion are arranged.
Background technique
General thermal power plant all is equipped with transfer pump, and charging/discharging valve is installed on transfer pump, is used for being controlled at the keying of the access way of transfer pump course of action dry ash system ash, quarrel.But owing to structural reason, general this class charging/discharging valve is because the medium of carrying is solid-state small particles materials such as ash, quarrel, so can produce many deficiencies after long-term the use: the valve place can produce card ash and fouling phenomenon, influence the keying of valve, the seal ring of this type of common valve generally uses pottery, rubber seal or adopts and spray the steel processing on sealing surface, but all exist defective, more crisp as the ceramic seal circle, adopt sealing surface spray steel or rubber seal easy to wear, and rubber seal generally can not be high temperature resistant, and working life is short.
Summary of the invention
In order to improve the sealability of valve, improve wear resistance, the heat-resisting quantity of seal ring, eliminate the grey fouling phenomenon of card, prolong product working life, by adopting the keying of the effective control valve of cylinder, and select for use tungsten alloy as the valve sealing ring material.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of complex abrasion-proof tungsten alloy sealing feeding valve, have valve seat and valve body, valve seat is made up of upper end cap, intermediate and lower end cap, material feeding mouth is arranged on the upper end cap, discharge port is arranged on the lower end cap, valve body has last valve block and lower valve, has the groove circle at last valve block and lower valve corresponding part, is provided with the tungsten alloy seal ring in the groove circle.
For can fixed tungsten the alloy seal ring, further: be provided with pressure ring in the groove circle, pressure ring and tungsten alloy seal ring be trapezoidal shape each other, by screw pressure ring is fixed in the groove circle, simultaneously the tungsten alloy seal ring is fixed in the groove circle.
Advanced better cooperation needs are installed, further: material feeding mouth is the pipe of caliber unanimity, and discharge port is that shape suitable for reading is consistent with the lower end cap shape, and end opening is circular passage.
In order to realize electronic opening/shutting valve, further: be provided with connecting rod in valve body, connecting rod one end is connected with the valve body connecting body, and the other end links to each other with valve body cylinder outward; The other two ends of valve body connecting body link to each other with lower valve internal surface center portion with last valve block respectively, are provided with cluster spring in valve block connecting body inside, and the cluster spring two ends link to each other with lower valve internal surface center portion with last valve block respectively.
The utlity model has following advantage:
1, valve opening and closing is flexible, has avoided card ash and fouling phenomenon;
2, seal ring is high temperature resistant, wear-resisting property is strong, and sealability is excellent, has prolonged product working life;
3, product structure is simple, manufacturing and easy for installation.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the local enlarged diagram in sealing surface of the present utility model junction.
Among the figure: 1. valve block 5. lower valves 6. cluster springs 7. tungsten alloy seal rings 8. pressure rings 9. upper end caps 10. lower end caps 11. intermediates 12. material feeding mouths 13. discharge ports 14. groove circles 15. screws on the cylinder 2. connecting rods 3. valve block connecting bodys 4.
Embodiment
A kind of complex abrasion-proof tungsten alloy sealing feeding valve of the present utility model, as shown in Figure 1, its concrete structure is: connecting rod 2 one ends link to each other with cylinder 1, the other end links to each other with valve block connecting body 3, valve block connecting body 3 T-shaped structures, two ends link to each other with lower valve 5 internal surfaces with last valve block 4 respectively in addition, be provided with cluster spring 6 in valve block connecting body 3 inside, cluster spring 6 two ends link to each other with lower valve 5 internal surface center portions with last valve block 4 respectively, cluster spring 6 has certain pretightening force, and the internal surface of valve block 4 and lower valve 5 outer surfaces and upper end cap 9 and lower end cap 10 is fitted.On upper end cap 9 and lower end cap 10, be respectively arranged with material feeding mouth 12 and discharge port 13, material feeding mouth 12 is the pipe of caliber unanimity, discharge port 13 is that shape suitable for reading is consistent with lower end cap 10 shapes, and end opening is circular passage, with the assembling that makes things convenient for valve and the charging in the using process.Upper end cap 9 forms with discharge port 13 cast with material feeding mouth 12 and lower end cap 10, is structure as a whole.Material feeding mouth 12 mouth of pipe places and last valve block 4 outer surfaces at upper end cap 9, discharge port 13 mouth of pipe places of lower end cap 10 and lower valve 5 outer surfaces correspondence respectively are provided with groove circle 14, as shown in Figure 2, be provided with tungsten alloy seal ring 7 at the groove circle, tungsten alloy seal ring 7 is by being arranged at pressure ring 8 fixed installations in the groove circle 14 equally, pressure ring 8 and tungsten alloy seal ring 7 fall trapezoidal shape each other, by screw 15 pressure ring 8 is fixed in the groove circle 14, tungsten alloy seal ring 7 sealing surfaces and upper end cap 9 and lower end cap 10 internal surfaces and to go up valve block 4 equal with lower valve 5 outer surfaces, pressure ring 8 outer surfaces are lower than seal ring 7 sealing surfaces, have guaranteed like this to be free to slide on upper end cap 9 that last valve block 4 and lower valve 5 can be in valve casings and the lower end cap 10.In this was practical, all seal rings 7 all adopted tungsten alloy as material.When the seal ring 7 of correspondence overlaps, valve closing, owing between last valve block 4 and lower valve 5, be provided with cluster spring 6, the pressure that exists in the valve body both sides hour relies on the pretightening force of cluster spring 6, and two sealing surfaces are fitted tightly, in a side pressure during greater than the pretightening force of cluster spring 6, will be with the valve block jack-up of this side, and with cluster spring 6 actings in conjunction with other side valve sheet with withstand, so can keep the valve body excellent sealing performance all the time.
Claims (4)
1. a complex abrasion-proof tungsten alloy seals feeding valve, have valve seat and valve body, valve seat is made up of upper end cap (9), intermediate (11) and lower end cap (10), material feeding mouth (12) is arranged on the upper end cap (10), discharge port (13) is arranged on the lower end cap, valve body has last valve block (4) and lower valve (5), it is characterized in that: have groove circle (14) at last valve block (4) and lower valve (5) corresponding part, be provided with tungsten alloy seal ring (7) in the groove circle (14).
2. complex abrasion-proof tungsten alloy sealing feeding valve according to claim 1, it is characterized in that: be provided with pressure ring (8) in the described groove circle (14), pressure ring (8) and tungsten alloy seal ring (7) fall trapezoidal shape each other, by screw (15) pressure ring (8) is fixed in the groove circle (14), simultaneously tungsten alloy seal ring (7) is fixed in the groove circle (14).
3. complex abrasion-proof tungsten alloy sealing feeding valve according to claim 1, it is characterized in that: described material feeding mouth (12) is the pipe of caliber unanimity, and discharge port (13) is that shape suitable for reading is consistent with the lower end cap shape, and end opening is circular passage.
4. complex abrasion-proof tungsten alloy sealing feeding valve according to claim 1, it is characterized in that: be provided with connecting rod (2) in valve body, connecting rod (2) one ends are connected with valve body connecting body (3), and the other end links to each other with valve body cylinder (1) outward; Valve body connecting body (3) links to each other with lower valve (5) internal surface center portion with last valve block (4) respectively at two ends in addition, be provided with cluster spring (6) in valve block connecting body (3) inside, cluster spring (6) two ends link to each other with lower valve (5) internal surface center portion with last valve block (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078909 CN2720209Y (en) | 2004-08-22 | 2004-08-22 | Composite wear-resisting tungsten alloy sealed feeding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078909 CN2720209Y (en) | 2004-08-22 | 2004-08-22 | Composite wear-resisting tungsten alloy sealed feeding valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2720209Y true CN2720209Y (en) | 2005-08-24 |
Family
ID=35009169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420078909 Expired - Fee Related CN2720209Y (en) | 2004-08-22 | 2004-08-22 | Composite wear-resisting tungsten alloy sealed feeding valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2720209Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341364B (en) * | 2005-12-22 | 2011-12-14 | 国际环保技术公司 | Pyrolytic waste treatment system having double-knife type valve |
| CN101629637B (en) * | 2009-08-18 | 2012-07-04 | 吴晓磊 | Valve |
| CN107939995A (en) * | 2017-09-21 | 2018-04-20 | 郑立新 | discharge valve |
-
2004
- 2004-08-22 CN CN 200420078909 patent/CN2720209Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341364B (en) * | 2005-12-22 | 2011-12-14 | 国际环保技术公司 | Pyrolytic waste treatment system having double-knife type valve |
| CN101629637B (en) * | 2009-08-18 | 2012-07-04 | 吴晓磊 | Valve |
| CN107939995A (en) * | 2017-09-21 | 2018-04-20 | 郑立新 | discharge valve |
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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: 20050824 Termination date: 20090922 |