CN209622099U - A kind of high temperature C-shaped anti-coking ball valve - Google Patents
A kind of high temperature C-shaped anti-coking ball valve Download PDFInfo
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- CN209622099U CN209622099U CN201920326574.6U CN201920326574U CN209622099U CN 209622099 U CN209622099 U CN 209622099U CN 201920326574 U CN201920326574 U CN 201920326574U CN 209622099 U CN209622099 U CN 209622099U
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Abstract
The utility model relates to a kind of high temperature C-shaped anti-coking ball valves, including opening up middle valve chamber, preceding valve port, valve port afterwards, the valve body of upper shaft hole and lower shaft hole, C-shaped sphere is set in middle valve chamber, on C-shaped sphere, under be separately connected valve rod and pivot, valve rod is rotatably connected in upper shaft hole by upper bearing (metal), pivot is rotatably connected in lower shaft hole by lower bearing, bonding pad letter on the upside of valve body, bottom cover component is connected on the downside of valve body, valve port sets gradually valve seat from inside to outside afterwards, bellows, purge pressing ring and pressure ring, first is arranged on valve body, second, third blow valve port, first blow valve port is connected on the inside of bellows, second blow valve port is connected to upper bearing (metal) side, third blow valve port is connected to middle valve chamber side, bottom cover component connects the 4th blow valve port, 4th blow valve port is connected on the downside of lower bearing, the high temperature C-shaped anti-coking ball valve, it solves Grain object stops the problem that coking causes valve stuck, and structure is simple, compact, light-weight, intensity is high, more reliable, long service life.
Description
Technical field
The utility model relates to ball valve more particularly to a kind of high temperature C-shaped anti-coking ball valves.
Background technique
Ball valve is a kind of common valve, is to drive sphere rotation by valve rod, open and close is realized, to realize fluid
Control, ball valve high-temperature coke carburetion, coking oil gas, the easy coking containing coke powder etc. operating condition in use, coking phenomenon will cause valve
Badge is dead, and Fig. 1, Fig. 2 are current ball valves, is designed using O shape float ball, double-valve-seat, and is floated using two purge holes to O shape
Ball and bearing are purged, and solve part coking problem, but still have the following problems: 1, valve opening and closing torque is big；2, by
It is isolated in valve chamber by 2 valve seats, forms the region of a relative closure, the solid particulate matter of lumen retention is difficult to be purged out
It goes, long-term accumulation be easy to cause lumen blocking stuck.
Utility model content
The applicant is directed to disadvantage mentioned above, has carried out Improvement, provides a kind of high temperature C-shaped anti-coking ball valve.
Technical solution used by the utility model is as follows:
A kind of high temperature C-shaped anti-coking ball valve, including valve body, valve body open up middle valve chamber, and valve body is located at the forward and backward difference of middle valve chamber
Preceding valve port and rear valve port are opened up, valve body is located at middle valve chamber and opens up upper shaft hole and lower shaft hole respectively above and below, and C-shaped is arranged in middle valve chamber
Sphere, C-shaped sphere are separately connected valve rod and pivot above and below, and valve rod is rotatably connected in upper shaft hole by upper bearing (metal), and pivot passes through
Lower bearing is rotatably connected in lower shaft hole, and the stuffing-box for sealing upper shaft hole and valve rod is connected on the upside of valve body, is connected on the downside of valve body
The bottom cover component for sealing lower shaft hole is connect, the rear valve port sets gradually valve seat, bellows, purging pressing ring and pressure from inside to outside
Ring, the first, second, third blow valve port is arranged on the valve body, and the first blow valve port is connected to bellows by blowing by purging pressing ring
It sweeps on the inside of pressing ring one end, the second blow valve port is connected to upper bearing (metal) side, and third blow valve port is connected to middle valve chamber side, bottom cover component
The 4th blow valve port is connected, the 4th blow valve port is connected on the downside of lower bearing by bottom cover component.
As a further improvement of the above technical scheme:
The C-shaped sphere opens up connecting hole and lower connecting hole above and below, and valve rod is through in connecting hole, and and connecting hole
Key connects, and pivot is through in lower connecting hole, and is connect by threaded with C-shaped sphere.
The stuffing-box is bolted above valve body, and is sealed between stuffing-box and valve body by spirotallic gasket,
The seal groove that valve rod passes through stuffing-box extends to outside, and setting filler and packing press ring, the packing press ring pass through in seal groove
It is bolted on stuffing-box.
The bottom cover component is bolt-connected to below valve body, and close by spirotallic gasket between bottom cover component and valve body
Envelope, bottom cover component open up air inlet, and the air inlet both ends are connected to the 4th blow valve port and lower shaft hole respectively.
Butterfly spring is also set up between the bottom cover component and lower bearing.
The valve seat, purging pressing ring and bellows-welding are integrally mounted in rear valve port, and pressure ring is threaded pressure ring, described
Threaded pressure ring is threaded in rear valve port, and is purged pressing ring and be pressed in rear valve port by threaded pressure ring, and by gasket and
Valve seal.
Pass through sealing ring and valve seal on the outside of the valve seat.
The purging pressing ring opens up air inlet, and the air inlet is connected to the first blow valve port and bellows.
The beneficial effects of the utility model are as follows:
It 1), can be respectively to valve seat bellows, upper axis using compressed air is passed through in the first, second, third, fourth blow valve port
Hold, middle valve chamber and lower bearing are purged, can will with the particulate matter of upper bit removal, avoid valve stuck；
2) single valve seat cooperates C-shaped sphere, not only reduces torque when opening and closing, reduces valve and is easy card in use
Dead risk, and the elasticity of sphere is promoted, the influence that sphere is self-possessed to valve seat is reduced, lift-off seal extends making for valve
Use the service life；
3) structure is simple, compact, light-weight, and valve body uses unitary design, and structural strength is high；
4) valve chamber is small using airflow design fluid resistance in, and middle valve chamber is thorough using 3 D stereo purging；
5) swell increment is absorbed by the compression of butterfly spring, can effectively prevents part because stuck caused by high-temperature expansion.
Detailed description of the invention
Fig. 1 is the front elevational view of conventional ball valve.
Fig. 2 is the part sectional side view of conventional ball valve.
Fig. 3 is the front elevational view of high temperature C-shaped anti-coking ball valve provided by the utility model.
Fig. 4 is enlarged drawing at Fig. 3 A.
Fig. 5 is the sectional side view of high temperature C-shaped anti-coking ball valve provided by the utility model.
Fig. 6 is the top view of high temperature C-shaped anti-coking ball valve provided by the utility model.
In figure: 1, valve body；101, middle valve chamber；102, preceding valve port；103, rear valve port；104, upper shaft hole；105, lower shaft hole；
106, the first blow valve port；107, the second blow valve port；108, third blow valve port；2, C-shaped sphere；3, valve rod；31, upper bearing (metal)；4, pivot
Axis；41, lower bearing；5, stuffing-box；51, filler；52, packing press ring；6, bottom cover component；61, the 4th blow valve port；7, valve seat；8,
Bellows；9, pressing ring is purged；10, butterfly spring；11, threaded pressure ring.
Specific embodiment
With reference to the accompanying drawing, illustrate the specific embodiment of the present embodiment.
As shown in Figures 3 to 6, the high temperature C-shaped anti-coking ball valve of the present embodiment, including valve body 1, valve body 1 open up middle valve chamber
101, valve body 1 is located at that middle valve chamber 101 is forward and backward to open up preceding valve port 102 and rear valve port 103 respectively, valve body 1 is located on middle valve chamber 101,
It is lower to open up upper shaft hole 104 and lower shaft hole 105 respectively；C-shaped sphere 2 is set in middle valve chamber 101, the company of opening up above and below of C-shaped sphere 2
Hole and lower connecting hole are connect, upper connecting hole internal key connects valve rod 3, and lower connecting hole passes through upper by threaded with pivot 4, valve rod 3 is connect
Bearing 31 is rotatably connected in upper shaft hole 104, and pivot 4 is rotatably connected in lower shaft hole 105 by lower bearing 41；Valve body 1 is located at
Stuffing-box 5 is bolted on the upside of upper shaft hole 104, stuffing-box 5 is bolted above valve body 1, and stuffing-box 5 and valve
It is sealed between body 1 by spirotallic gasket, the seal groove that valve rod 3 passes through stuffing-box 5 extends to outside, and filler 51 is arranged in seal groove
With packing press ring 52, packing press ring 52 is bolt-connected on stuffing-box 5, is compressed filler 51 by packing press ring 52, is realized
Sealing between valve rod 3 and stuffing-box 5；Valve body 1, which is located on the downside of lower shaft hole 105, is bolted bottom cover component 6, and bottom cover group
It is sealed between part 6 and valve body 1 by spirotallic gasket, 6 lower end of bottom cover component connects the 4th blow valve port 61, the bottom cover component 6 of cooperation
Open up air inlet, air inlet both ends are connected to the 4th blow valve port 61 and lower shaft hole 105 respectively, bottom cover component 6 and lower bearing 41 it
Between also set up for absorbing swell increment butterfly spring 10；Valve port 103 sets gradually valve seat 7, bellows 8, purging from inside to outside afterwards
Pressing ring 9 and threaded pressure ring 11, valve seat 7, purging pressing ring 9 and bellows 8 is integrally welded is mounted in rear valve port 103, outside valve seat 7
Side is sealed by sealing ring and valve body 1, and threaded pressure ring 11 is threaded in rear valve port 103, and is purged pressing ring 9 and passed through screw thread pressure
Ring 11 is pressed in rear valve port 103, and is sealed by gasket and valve body 1, and being installed rear bellows 8 will by compression generation elastic force
Valve seat 7 presses to C-shaped sphere 2, while the sealing ratio in pipeline under the collective effect of pressure medium, between C-shaped sphere 2 and valve seat 7
Pressure increases, and realizes reliable metal sealing；First, second, third blow valve port 106,107,108 is set on valve body 1, purges pressing ring
9, inlet chamber is formed between threaded pressure ring 11 and rear valve port 103, the first blow valve port 106 is connected to inlet chamber, the purging pressing ring 9 of cooperation
On open up the bending shape air inlet being connected to inlet chamber, the bending shape air inlet other end is located at bellows 8 close to purging pressing ring 9 one
End inside, the second blow valve port 107 are connected to by the air inlet on valve body 1 with 31 side of upper bearing (metal), and third blow valve port 108 passes through valve
Air inlet on body 1 is connected to middle 101 side of valve chamber.
The high temperature C-shaped anti-coking ball valve of the present embodiment is in use, 1 both ends connecting line of valve body, valve rod 3 connect external execution
Device can rotate 90 ° with ovable valve stem 3, C-shaped sphere 2 and pivot 4 by external actuator, realize the switching motion of ball valve, and ball valve
After a period of use, compressed air can be passed through to the first blow valve port 106, the second blow valve port 107, third blow valve port 108 and
Four blow valve ports 61 can respectively purge 7 bellows 8 of valve seat, upper bearing (metal) 31, middle valve chamber 101 and lower bearing 41, can will be with
The particulate matter of upper bit removes, and avoids valve stuck.
Above description is the explanation to the utility model, is not the restriction to utility model, defined by the utility model
Range is referring to claim, and without prejudice to the basic structure of the utility model, the utility model can make any shape
The modification of formula.
Claims (8)
1. a kind of high temperature C-shaped anti-coking ball valve, it is characterised in that: including valve body (1), valve body (1) opens up middle valve chamber (101), valve
Body (1) is located at that middle valve chamber (101) is forward and backward to open up preceding valve port (102) and rear valve port (103) respectively, and valve body (1) is located at middle valve chamber
(101) upper shaft hole (104) and lower shaft hole (105) are opened up respectively above and below, C-shaped sphere (2) are set in middle valve chamber (101), C-shaped ball
Body (2) is separately connected valve rod (3) and pivot (4) above and below, and valve rod (3) is rotatably connected on upper shaft hole (104) by upper bearing (metal) (31)
Interior, pivot (4) is rotatably connected in lower shaft hole (105) by lower bearing (41), and connection is for sealing upper shaft hole on the upside of valve body (1)
(104) and the stuffing-box (5) of valve rod (3), valve body (1) downside connect the bottom cover component (6) for sealing lower shaft hole (105), institute
It states rear valve port (103) and sets gradually valve seat (7), bellows (8), purging pressing ring (9) and pressure ring, the valve body (1) from inside to outside
The first, second, third blow valve port of upper setting (106,107,108), the first blow valve port (106) are connected to by purging pressing ring (9)
For bellows (8) on the inside of purging pressing ring (9) one end, the second blow valve port (107) is connected to upper bearing (metal) (31) side, third blow valve port
(108) it is connected to middle valve chamber (101) side, bottom cover component (6) connects the 4th blow valve port (61), and the 4th blow valve port (61) is logical
Bottom cover component (6) is crossed to be connected on the downside of lower bearing (41).
2. high temperature C-shaped anti-coking ball valve according to claim 1, it is characterised in that: the C-shaped sphere (2) opens up above and below
Upper connecting hole and lower connecting hole, valve rod (3) are through in connecting hole, and are connected with connecting hole key, and pivot (4) is through lower connecting hole
It is interior, and connect by threaded with C-shaped sphere (2).
3. high temperature C-shaped anti-coking ball valve according to claim 1, it is characterised in that: the stuffing-box (5) is connected by bolt
It connects above valve body (1), and is sealed between stuffing-box (5) and valve body (1) by spirotallic gasket, valve rod (3) passes through stuffing-box (5)
Seal groove extend to outside, setting filler (51) and packing press ring (52), the packing press ring (52) pass through spiral shell in seal groove
It tethers and is connected on stuffing-box (5).
4. high temperature C-shaped anti-coking ball valve according to claim 1, it is characterised in that: the bottom cover component (6) passes through bolt
It is connected to below valve body (1), and is sealed between bottom cover component (6) and valve body (1) by spirotallic gasket, bottom cover component (6) opens up
Air inlet, the air inlet both ends are connected to the 4th blow valve port (61) and lower shaft hole (105) respectively.
5. high temperature C-shaped anti-coking ball valve according to claim 1 or 4, it is characterised in that: the bottom cover component (6) and under
Butterfly spring (10) are also set up between bearing (41).
6. high temperature C-shaped anti-coking ball valve according to claim 1, it is characterised in that: the valve seat (7), purging pressing ring (9)
Interior with the integrally welded rear valve port (103) that is mounted on of bellows (8), pressure ring is threaded pressure ring (11), the threaded pressure ring (11)
It is threaded in rear valve port (103), and purges pressing ring (9) and be pressed in rear valve port (103) by threaded pressure ring (11), and lead to
It crosses gasket and valve body (1) seals.
7. high temperature C-shaped anti-coking ball valve according to claim 1 or 6, it is characterised in that: pass through on the outside of the valve seat (7)
Sealing ring and valve body (1) seal.
8. high temperature C-shaped anti-coking ball valve according to claim 1 or 6, it is characterised in that: the purging pressing ring (9) opens up
Air inlet, the air inlet connection the first blow valve port (106) and bellows (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326574.6U CN209622099U (en) | 2019-03-14 | 2019-03-14 | A kind of high temperature C-shaped anti-coking ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326574.6U CN209622099U (en) | 2019-03-14 | 2019-03-14 | A kind of high temperature C-shaped anti-coking ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN209622099U true CN209622099U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920326574.6U Active CN209622099U (en) | 2019-03-14 | 2019-03-14 | A kind of high temperature C-shaped anti-coking ball valve |
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| Country | Link |
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| CN (1) | CN209622099U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789290A (en) * | 2023-02-07 | 2023-03-14 | 哈电集团哈尔滨电站阀门有限公司 | Slope sealing fused salt ball valve |
| CN118293244A (en) * | 2024-06-04 | 2024-07-05 | 四川苏克流体控制设备股份有限公司 | High-temperature top-mounted metal sealing ball valve |
-
2019
- 2019-03-14 CN CN201920326574.6U patent/CN209622099U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789290A (en) * | 2023-02-07 | 2023-03-14 | 哈电集团哈尔滨电站阀门有限公司 | Slope sealing fused salt ball valve |
| CN118293244A (en) * | 2024-06-04 | 2024-07-05 | 四川苏克流体控制设备股份有限公司 | High-temperature top-mounted metal sealing ball valve |
| CN118293244B (en) * | 2024-06-04 | 2024-08-20 | 四川苏克流体控制设备股份有限公司 | High-temperature top-mounted metal sealing ball valve |
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