CN206929348U - Converter blanking high temperature fire proof seal valve - Google Patents
Converter blanking high temperature fire proof seal valve Download PDFInfo
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- CN206929348U CN206929348U CN201720911835.1U CN201720911835U CN206929348U CN 206929348 U CN206929348 U CN 206929348U CN 201720911835 U CN201720911835 U CN 201720911835U CN 206929348 U CN206929348 U CN 206929348U
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- high temperature
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Abstract
It the utility model is related to a kind of converter blanking high temperature fire proof seal valve, it is installed between blanking push-pull valve and nitrogen seal device, including valve body, upper flange and lower flange, the support of valve body two side is provided with valve shaft, it is provided with valve shaft and rotates with valve shaft and realize the valve plate of sealing valve closure or openness, valve body side is provided with Electrohydraulic push rod, Electrohydraulic push rod is connected with crank by joint, crank is connected by transit joint with stretching out the preceding shaft end of valve shaft of valve body, the discharge port end of valve body is provided with seal groove, seal groove has been embedded in resistant to elevated temperatures fluorine cushion rubber, stud with taper ring fluorine cushion rubber being pressed in when valve plate is closed in seal groove on valve plate.The utility model is simple in construction, as long as converter is closed valve plate when working, nitrogen seal device just without being in normally open, had both prevented blanking system and related weighing-appliance to be influenceed and scorched by high-temperature flue gas, reduce the consumption of blanking system low-pressure nitrogen again, reduce production cost.
Description
Technical field
It the utility model is related to a kind of converter blanking high temperature fire proof seal valve.
Background technology
During converter steelmaking process, steel-making raw and auxiliary material after high hopper motor oscillating, is being turned by belt-conveying
Each stage of stove production oxygen supply is added in stove by blanking pipe, and within the normally oxygen supply cycle, oxygen top and bottom complex blowing, which blows, to be turned
Stove can produce a large amount of high-temperature flue gas in steelmaking process, and its main component is iron oxide grit and the carbon monoxide gas of high concentration
Body etc..These high-temperature gases can up rush with tremie pipe, and therefore, tremie pipe nitrogen envelope necessarily be in normally open, to prevent cigarette
Gas is polluted by tremie pipe environment and to be impacted to weighing-appliance, causes nitrogen consumption larger, improve STEELMAKING PRODUCTION into
This.
The content of the invention
The technical problems to be solved in the utility model is：In order to overcome deficiency in the prior art, the utility model provides
A kind of converter blanking high temperature fire proof seal valve, is arranged between tremie pipe push-pull valve and nitrogen seal device, effectively to prevent steel-making from producing
Raw high-temperature flue gas pours in tremie pipe and reduces nitrogen used in nitrogen seal device and consumes.
Technical scheme is used by the utility model solves its technical problem：A kind of converter blanking high temperature fire proof seal
Valve, including valve body, the lower flange that is connected to the upper flange of valve body feed inlet end and is connected to valve body discharge port end, described valve
The support of body two side is provided with valve shaft, is provided with valve shaft and rotates with valve shaft and realize the valve of sealing valve closure or openness
Plate, valve body side are provided with Electrohydraulic push rod, and Electrohydraulic push rod is connected with crank by joint, and crank is by transit joint with stretching out valve body
The connection of valve shaft preceding shaft end, valve body front is provided with sealing door closure, and the discharge port end of valve body is provided with seal groove, and seal groove embeds
Enter to have resistant to elevated temperatures fluorine cushion rubber, the taper ring being pressed in fluorine cushion rubber when valve plate is closed in seal groove is studded with valve plate.
To realize chain control with blanking flashboard valve, valve body is stretched out in the rear shaft end of described valve shaft, positioned at valve shaft
Be provided with proximity switch below shaft end afterwards, be fixed with after valve shaft on shaft end with valve shaft rotate and touch proximity switch control it is electro-hydraulic
The shift fork of putter action.
Meanwhile described valve body side is provided with the convenient maintenance door safeguarded to valve inner component inspection.
To extend valve body service life, described valve body is made using heat resisting steel, valve interior wall and the built-up welding of material contact position
There is high-strength abrasion-proof liner plate.
The beneficial effects of the utility model are：The utility model is installed between blanking push-pull valve and nitrogen seal device, converter
As long as being closed valve plate during work, tremie pipe nitrogen seal device just without being in normally open, had both prevented blanking system
System and related weighing-appliance are influenceed and scorched by high-temperature flue gas, are reduced the consumption of blanking system low-pressure nitrogen again, are reduced production
Cost, blanking system stabilization of equipment performance and dedusting environment friendly effect are improved, blanking push-pull valve is played a very good protection.
Brief description of the drawings
The utility model is further illustrated with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 left view.
Fig. 3 is B in Fig. 1 to partial view.
In figure：1. valve body 2. upper flange, 3. lower flange, 4. valve shaft, 5. valve plate, 6. Electrohydraulic push rod, 7. cranks 8. are close
The maintenance door of 13. shift fork of closure door lid 9. seal groove, 10. fluorine cushion rubber, 11. taper ring, 12. proximity switch 14.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
A kind of converter blanking high temperature fire proof seal valve as shown in FIG. 1 to 3, it is installed on tremie pipe push-pull valve and is encapsulated with nitrogen
Between putting, including valve body 1, it is connected to the upper flange 2 of the feed inlet end of valve body 1 and is connected to the lower flange of the discharge port end of valve body 1
3, described valve body 1 is made using heat resisting steel thick 550 type 12mm, and it is resistance to that the inwall of valve body 1 with material contact position heap is welded with high intensity
Mill lining plate, valve body 1 are resistant to instantaneous temperature≤1000 DEG C, the high temperature of normal temperature≤650 DEG C, so as to extend the service life of sealing valve.
Support is provided with valve shaft 4 between the described two side of valve body 1, be provided with valve shaft 4 rotate with valve shaft 4 and
The valve plate 5 of sealing valve closure or openness is realized, the side of valve body 1 is provided with Electrohydraulic push rod 6, and Electrohydraulic push rod 6 is connected with song by joint
Handle 7, crank 7 are connected by transit joint with stretching out the 4 preceding shaft end of valve shaft of valve body 1, and the front of valve body 1 is provided with sealing door closure 8,
Hermatic door lid 8 can be unloaded when putty occurs and carries out internal overhaul.
The discharge port end and valve plate 5 of valve body 1 are made using steel alloy finishing, and modifier treatment.The discharging opening of valve body 1
End is provided with seal groove 9, and seal groove 9 has been embedded in resistant to elevated temperatures fluorine cushion rubber 10, is studded with fluorine glue on valve plate 5 when valve plate 5 is closed
Circle 10 is pressed in the taper ring 11 in seal groove 9.When valve plate 5 is closed, taper ring 11 first with the soft seal of fluorine cushion rubber 10, after compression
Taper ring 11 and seal groove 9 and secondary seal, so as to preferably improve the sealing property of sealing valve.In blanking, discharge end
Mouth is not worn with valve plate 5 by material.
Valve body 1 is stretched out in the rear shaft end of described valve shaft 4, and proximity switch 12, valve are provided with below shaft end after valve shaft 4
Shift fork 13 is fixed with after board shaft 4 on shaft end, is rotated by shift fork 13 with valve shaft 4 to touch proximity switch 12 to control electro-hydraulic push away
Bar 6 acts, and realizes the chain control between Electrohydraulic push rod 6 and blanking push-pull valve.
The described side of valve body 1 is provided with maintenance door 14, the convenient repair and maintenance to the internal part of valve body 1.
The utility model has the characteristics of novel in structural design, reliable operation, maintenance is convenient, service life is high, in blanking
After the sealing valve is installed between push-pull valve and nitrogen seal device, during tremie pipe blanking, valve plate 5 is in opening, and blanking, which finishes, to be turned
When furnaceman makees, valve plate 5 is promoted to be closed by Electrohydraulic push rod 6, tremie pipe nitrogen seal device need not just be in normally open,
Both prevented blanking system and related weighing-appliance to be influenceed and scorched by high-temperature flue gas, and reduced blanking system low-pressure nitrogen again and disappear
Consumption, reduces production cost, improves blanking system stabilization of equipment performance and dedusting environment friendly effect, blanking push-pull valve is played very well
Protective effect.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (4)
1. a kind of converter blanking high temperature fire proof seal valve, including valve body (1), the upper flange (2) for being connected to valve body (1) feed inlet end
And the lower flange (3) of valve body (1) discharge port end is connected to, it is characterized in that：Described valve body (1) two side support is provided with valve
Board shaft (4), it is provided with valve shaft (4) and rotates with valve shaft (4) and realize the valve plate (5) of sealing valve closure or openness, valve body
(1) side is provided with Electrohydraulic push rod (6), and Electrohydraulic push rod (6) is connected with crank (7) by joint, crank (7) by transit joint with
The preceding shaft end connection of valve shaft (4) of valve body (1) is stretched out, valve body (1) front is provided with sealing door closure (8), the discharging opening of valve body (1)
End is provided with seal groove (9), and seal groove (9) has been embedded in resistant to elevated temperatures fluorine cushion rubber (10), and valve plate (5) closing is studded with valve plate (5)
When fluorine cushion rubber (10) is pressed in taper ring (11) in seal groove (9).
2. converter blanking high temperature fire proof seal valve as claimed in claim 1, it is characterized in that：The rear axle of described valve shaft (4)
Valve body (1) is stretched out at end, is provided with proximity switch (12) below valve shaft (4) afterwards shaft end, valve shaft (4) is fixed with shaft end afterwards
Rotated with valve shaft (4) and touch the shift fork (13) of proximity switch (12) control Electrohydraulic push rod (6) action.
3. converter blanking high temperature fire proof seal valve as claimed in claim 1, it is characterized in that：Described valve body (1) side installation
There is the convenient maintenance door (14) to valve body (1) internal part repair and maintenance.
4. converter blanking high temperature fire proof seal valve as claimed in claim 1, it is characterized in that：Described valve body (1) is using heat-resisting
Steel makes, and valve body (1) inwall is welded with high-strength abrasion-proof liner plate with material contact position heap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911835.1U CN206929348U (en) | 2017-07-25 | 2017-07-25 | Converter blanking high temperature fire proof seal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911835.1U CN206929348U (en) | 2017-07-25 | 2017-07-25 | Converter blanking high temperature fire proof seal valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206929348U true CN206929348U (en) | 2018-01-26 |
Family
ID=61355337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720911835.1U Active CN206929348U (en) | 2017-07-25 | 2017-07-25 | Converter blanking high temperature fire proof seal valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206929348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656218A (en) * | 2019-08-01 | 2020-01-07 | 广东韶钢松山股份有限公司 | Converter raw material feeding chute flue gas locking device and working method |
-
2017
- 2017-07-25 CN CN201720911835.1U patent/CN206929348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656218A (en) * | 2019-08-01 | 2020-01-07 | 广东韶钢松山股份有限公司 | Converter raw material feeding chute flue gas locking device and working method |
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