CN201651394U - Wear-resistant pneumatic ash-discharge ball valve - Google Patents
Wear-resistant pneumatic ash-discharge ball valve Download PDFInfo
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- CN201651394U CN201651394U CN2010201633564U CN201020163356U CN201651394U CN 201651394 U CN201651394 U CN 201651394U CN 2010201633564 U CN2010201633564 U CN 2010201633564U CN 201020163356 U CN201020163356 U CN 201020163356U CN 201651394 U CN201651394 U CN 201651394U
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Abstract
The utility model relates to a metallurgical ash-removal system, in particular to a wear-resistant pneumatic ash-discharge ball valve for overcoming the problems existing in the traditional ash-discharge ball valve with poor sealing performance and short service life. The wear-resistant pneumatic ash-discharge ball valve comprises a valve assembly and a pneumatic device; the valve assembly comprises a left valve body and a right valve body which are encircled into a valve cavity, a spheric body positioned in the valve cavity and connected with the left valve body through an upper valve shaft and a lower valve shaft, and a valve seat matched with the spheric body in a close contact manner and connected with the inner wall of the right valve body through a spring; an output shaft of the pneumatic device is connected with the upper end of the upper valve shaft, and the wear-resistant pneumatic ash-discharge ball valve is characterized in that a clearance for forming a closing-aid air chamber is formed between the valve seat and the inner wall of the right valve body, and a closing-aid air port communicated with the closing-aid air chamber is formed on the right valve body; a wear-resistant sealing ring is arranged between the spheric body and the valve body; because of the arrangement of the closing-aid air chamber, the seal pressure of the valve is kept constant, and the sealing performance is obviously enhanced during the valve closing process; and because of the arrangement of the wear-resistant sealing ring, the sealing performance and the wear resistance between the valve seat and the spheric body are both enhanced, and the service life of the valve is prolonged.
Description
Technical field
The utility model relates to metallurgical ash disposal system, refers to a kind of pneumatic wear-resisting Unloading ball valve particularly.
Background technique
In the existing Unloading ball valve, only rely on the elastic force of spring to set up the initial sealing specific pressure between valve seat and the spheroid, along with the fatigue failure of using medi-spring, the initial sealing specific pressure between valve seat and the spheroid is not enough gradually, causes the effect that seals variation gradually; On the other hand, between valve seat and the spheroid for close contact cooperates, promptly single hard sealing structure, in case the sealing surface between the two damages, valve will lose efficacy, so its working life is shorter.
The model utility content
The purpose of this utility model is the deficiency at above-mentioned existing Unloading ball valve, and the pneumatic wear-resisting Unloading ball valve of a kind of good seal performance, long service life is provided.
For achieving the above object, a kind of pneumatic wear-resisting Unloading ball valve that provides of the utility model comprises valve assembly and Pneumatic actuator.Wherein, valve assembly comprises the left valve barrel of enclosing valve pocket and right valve barrel, the spheroid that is positioned at valve pocket and links to each other with described left valve barrel by last valve shaft and lower valve shaft, the valve seat that is with spheroid that close contact cooperates and is connected with described right valve barrel inwall by spring.The output shaft of described Pneumatic actuator is connected with the upper end of last valve shaft, and its specialization is: be provided with between described valve seat and the right valve barrel inwall constitute help the gap of closing air chamber, right valve barrel be provided with described help close that air chamber is communicated with help the pass gas port.
Also be provided with the wear-resistant seal ring between described spheroid and the valve seat.
Have groove on the described valve seat, described wear-resistant seal is located in the described groove.
Also be provided with sealing seat between described left valve barrel and the last valve shaft.
The middle mouth of going up of described left valve barrel also is provided with Stuffing box, is provided with the filler that is used for the sealing between left valve barrel and the last valve shaft by Gland on the described Stuffing box.
Also be provided with inductor and valve position sensor on the described Pneumatic actuator.
Compare with existing Unloading ball valve, the utility model helps the pass air chamber by setting, makes the seal pressure of valve keep constant, has significantly strengthened the sealability when closing valve; The setting of wear-resistant seal ring makes to be structure soft, hard double seal between valve seat and the spheroid, and the wear-resistant seal ring can adopt abrasion resistance material, has increased the sealing and the wear-resisting property at this place, has prolonged the working life of valve.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a gas control schematic diagram of the present utility model;
Among the figure, 1-adjustable lever, 2-locking nut, 3-lower cover, 4-seal ring, 5-purges a mouthful plug screw, 6-bearing, 7-lower valve shaft, 8-spheroid, 9-key, the 10-left valve barrel, the last valve shaft of 11-, 12-sealing seat, 13-Stuffing box, 14-support, the 15-porting, 16-Pneumatic actuator, 17-inductor, 18-valve position sensor, 19-Gland, the 20-filler, 21-pad, 22-help the pass gas port, 23-right valve barrel, 24-wear-resistant seal ring, the 25-valve seat, 26-spring, 27-help the pass air chamber, 28-pneumatic triple piece, 29-solenoid directional control valve.The 30-stop valve.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
As shown in Figure 1, pneumatic wear-resisting Unloading ball valve of the present utility model comprises valve assembly and Pneumatic actuator 16, and wherein, valve assembly comprises encloses valve pocket and by the left valve barrel 10 and the right valve barrel 23 of pad 21 sealing and be arranged at spheroid 8 in the valve pocket.The Shang Zhongkou of left valve barrel 10 is provided with support 14, and Pneumatic actuator 16 promptly is fixed on this support 14.On Pneumatic actuator 16, also be provided with inductor 17 and valve position sensor 18, can be used for remote monitoring and control station of the present utility model, improve the safe handling coefficient of valve.The Shang Zhongkou of left valve barrel 10 and Xia Zhongkou are respectively equipped with valve shaft 11 and lower valve shaft 7.The upper and lower end of spheroid 8 is connected by key 9 with lower valve shaft 7 with last valve shaft 11 respectively.The upper end of last valve shaft 11 is connected with the output shaft of Pneumatic actuator 16, is used for giving spheroid 8 with the transmission of power of Pneumatic actuator 16 outputs.Be provided with valve seat 25 in the right valve barrel 23, the one side that contacts on valve seat 25, with spheroid 8 has groove and is provided with wear-resistant seal ring 24, is used for the sealing between valve seat and the spheroid 8.Wear-resistant seal ring 24 adopts the novel high polymer flexible material, and its sealing and wear-resisting property are good.Between valve seat 25 and right valve barrel 23 inwalls, be provided with spring 26 and leave the gap, form to help and close air chamber 27.Help and close air chamber 27, on right valve barrel 23, also be provided with to help and close helping that air chamber 27 is communicated with and close gas port 22, be used for source of the gas continuous with this by seal ring 4 and valve pocket sealing.Between left valve barrel 10 and last valve shaft 11, be provided with sealing seat 12.The middle mouth of going up of left valve barrel 10 also is provided with filler 20 or seal ring by Stuffing box 13 and Gland 19, is used for the sealing between left valve barrel 10 and the last valve shaft 11.Following middle mouthful of left valve barrel 10 is provided with lower cover 3 with locking nut 2, and the adjustable lever of using when the locking nut below also is provided with maintenance 1 also is provided with below left valve barrel 10 and purges a mouth plug screw 5, uses when needs purge valve pocket.
Working principle of the present utility model is as follows:
As depicted in figs. 1 and 2, the porting 15 of Pneumatic actuator 16 is connected with source of the gas.The pressurized air of source of the gas output enters Pneumatic actuator 16 through solenoid directional control valve 29 and stop valve 30, with the opening and closing of control valve after handling by pneumatic triple piece 28.When needing Open valve, make solenoid directional control valve 29 get electric (being in station shown in Figure 2), at this moment, pressurized air enters the A chamber of Pneumatic actuator 16, promotes piston motion, the B chamber exhaust of Pneumatic actuator 16.Last valve shaft 11 drives spheroid 8 half-twists, has been communicated with the passage that left valve barrel 10 and right valve barrel 23 are formed, valve opening; When needing throttle down, disconnect solenoid directional control valve 29, on the one hand, pressurized air enters the B chamber of Pneumatic actuator, promote piston motion, last valve shaft 11 drives 90 ° of spheroid 8 counterrotatings, has disconnected the passage that left valve barrel 10 and right valve barrel 23 are formed, valve closing, on the other hand, another source of the gas closes air chamber 27 ventilations by helping 22 pairs of the gas ports in pass to help, and promotes valve seat 25 and moves to left, increase the power of 8 of valve seat 25 and spheroids, guaranteed the excellent sealing of valve.
Claims (6)
1. pneumatic wear-resisting Unloading ball valve, comprise valve assembly and Pneumatic actuator (16), wherein, valve assembly comprises the left valve barrel (10) and the right valve barrel (23) of enclosing valve pocket, the spheroid (8) that is positioned at valve pocket and links to each other with described left valve barrel (10) by last valve shaft (11) and lower valve shaft (7), the valve seat (25) that is with spheroid (8) that close contact cooperates and is connected with described right valve barrel (23) inwall by spring (26), the output shaft of described Pneumatic actuator (16) is connected with the upper end of last valve shaft (11), it is characterized in that: be provided with between described valve seat (25) and right valve barrel (23) inwall constitute help the gap of closing air chamber (27), right valve barrel (23) be provided with described help close that air chamber (27) is communicated with help pass gas port (22).
2. pneumatic wear-resisting Unloading ball valve according to claim 1 is characterized in that: also be provided with wear-resistant seal ring (24) between described spheroid (8) and the valve seat (25).
3. pneumatic wear-resisting Unloading ball valve according to claim 2 is characterized in that: described valve seat has groove on (25), and described wear-resistant seal ring (24) is located in the described groove.
4. pneumatic wear-resisting Unloading ball valve according to claim 1 is characterized in that: also be provided with sealing seat (12) between described left valve barrel (10) and the last valve shaft (11).
5. pneumatic wear-resisting Unloading ball valve according to claim 1, it is characterized in that: the middle mouth of going up of described left valve barrel (10) also is provided with Stuffing box (13), and described Stuffing box (13) is gone up and is provided with the filler (20) that is used for the sealing between left valve barrel (10) and the last valve shaft (11) by Gland (19).
6. according to the described pneumatic wear-resisting Unloading ball valve of arbitrary claim in the claim 1 to 5, it is characterized in that: also be provided with inductor (17) and valve position sensor (18) on the described Pneumatic actuator (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201633564U CN201651394U (en) | 2010-04-14 | 2010-04-14 | Wear-resistant pneumatic ash-discharge ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201633564U CN201651394U (en) | 2010-04-14 | 2010-04-14 | Wear-resistant pneumatic ash-discharge ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651394U true CN201651394U (en) | 2010-11-24 |
Family
ID=43116631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201633564U Expired - Fee Related CN201651394U (en) | 2010-04-14 | 2010-04-14 | Wear-resistant pneumatic ash-discharge ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651394U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094993A (en) * | 2010-11-29 | 2011-06-15 | 河北联合大学 | Reliable seal dust discharging fixed ball valve |
| CN102878317A (en) * | 2012-10-23 | 2013-01-16 | 浙江超达阀门股份有限公司 | Pneumatic ball valve reliable in sealing and low in opening-closing torque |
| CN102878316A (en) * | 2012-10-23 | 2013-01-16 | 浙江超达阀门股份有限公司 | Ball valve reliable in sealing and low in opening-closing torque |
-
2010
- 2010-04-14 CN CN2010201633564U patent/CN201651394U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094993A (en) * | 2010-11-29 | 2011-06-15 | 河北联合大学 | Reliable seal dust discharging fixed ball valve |
| CN102878317A (en) * | 2012-10-23 | 2013-01-16 | 浙江超达阀门股份有限公司 | Pneumatic ball valve reliable in sealing and low in opening-closing torque |
| CN102878316A (en) * | 2012-10-23 | 2013-01-16 | 浙江超达阀门股份有限公司 | Ball valve reliable in sealing and low in opening-closing torque |
| CN102878316B (en) * | 2012-10-23 | 2014-03-12 | 浙江超达阀门股份有限公司 | Ball valve reliable in sealing and low in opening-closing torque |
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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 |
Granted publication date: 20101124 Termination date: 20170414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |