CN106636513A - Compensation type flashboard valve used for furnace top of blast furnace - Google Patents
Compensation type flashboard valve used for furnace top of blast furnace Download PDFInfo
- Publication number
- CN106636513A CN106636513A CN201611122534.7A CN201611122534A CN106636513A CN 106636513 A CN106636513 A CN 106636513A CN 201611122534 A CN201611122534 A CN 201611122534A CN 106636513 A CN106636513 A CN 106636513A
- Authority
- CN
- China
- Prior art keywords
- hollow base
- housing
- blast furnace
- pull valve
- push
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention relates to a compensation type flashboard valve used for the furnace top of a blast furnace. The compensation type flashboard valve comprises a hollow base, a shell, a discharging hopper, a drive mechanism and a flashboard, wherein the hollow base is arranged at the furnace top of the blast furnace; the shell is arranged at the top of the hollow base and is provided with a fold structure capable of allowing the shell to perform axial expansion and contraction; the discharging hopper is arranged in the shell and used for conveying materials into the blast furnace; the drive mechanism is connected with both the shell and the hollow base and can drive the shell to perform axial expansion and contraction, so that the shell is connected with or separated from the hollow base; the flashboard can be inserted in a gap between the shell and the hollow base when the shell is separated from the hollow base and can cut off the communication between the discharging hopper and the hollow base. The compensation type flashboard valve provided by the invention not only can compensate the increase in the thermal expansion of the blast furnace, but also can seal the blast furnace as required to prevent hot air at the lower part from flowing upwards.
Description
Technical field
The present invention relates to a kind of blast furnace non-top bell top charging equipment, and in particular to a kind of for the compensation of blast furnace roof
Push-pull valve.
Background technology
At present, domestic blast furnace non-top bell top charging equipment, its composition are generally from top to bottom：Hopper, baiting valve, on
Sealing valve, batch can, choke valve, lower sealing valve, FlexbleJoint, distributing device etc., and its each ingredient is single component.
FlexbleJoint is at the top of distributing device, and its Main Function is compensation blast furnace expanded by heating rise amount.It is existing
The structure of the FlexbleJoint having in technology plays radial and axial compensation and makees as shown in figure 1, outside for corrugated stainless steel tubing
With inside is the tremie pipe for blanking.But, there is following lacking in blast furnace non-top bell top charging equipment of the prior art
Point：In the baker before operation, the high-temperature gas in blast furnace is possible to from FlexbleJoint upper, and damaging some cannot tolerate
The part of high temperature；Or in production maintenance, the high-temperature gas in blast furnace is also possible to the upstream from FlexbleJoint, to maintenance
Personnel damage.
The content of the invention
Based on the problems referred to above, it is an object of the invention to provide a kind of compensation push-pull valve for blast furnace roof, can either
The rise amount of compensation blast furnace expanded by heating, can be sealed to blast furnace again when needed, prevent bottom steam upper.
The invention provides a kind of compensation push-pull valve for blast furnace roof, including：
The hollow base being located on the blast furnace roof；
Housing on the top of the hollow base, the housing have can allow for its pleat for carrying out axial stretching
Wrinkle structure；
Hopper in the housing for conveying from material to the blast furnace；
Drive mechanism, is connected with the housing and the hollow base, and the hollow base can be driven to carry out axle
To up and down motion, so that the housing is engaged with hollow base or is separated；And
Plate, when the housing is separated with hollow base in insertion gap therebetween, and be able to can cut
Disconnected connection between the hopper and the hollow base.
Preferably, the drive mechanism includes the straight line driving mechanism being connected with the housing and the hollow base.
Preferably, the straight line driving mechanism is hydraulic cylinder.
Preferably, also including can apply opposite pressure to the housing and the hollow base with housing described in constriction with
The compression type locking gear in the gap between hollow base.
Preferably, the bottom of the housing has the first flange for extending radially outwardly, the bottom tool of the hollow base
There is the second flange for extending radially outwardly, the compression type locking gear includes the bar through first flange and the second flange
Part, and the locking piece on one end of the rod member and the adjustment part on the other end of the rod member, the adjustment
Part can relatively rod member motion and change itself and the spacing between the locking piece, so as to housing described in constriction and middle space base
Gap between seat.
Preferably, the locking piece is the nut being connected with the rod member by helicitic texture, and the adjustment part is radially
Voussoir of the ground through the rod member.
Preferably, also include along extend radially through the housing and/or hollow base and for plate described in push-and-pull
Push rod.
Preferably, also include the slideway being connected with the housing and/or hollow base, and the slideway can be with the gap
Flush for guiding the plate to slide in or out the gap.
Preferably, also including the heat-insulating type implant being arranged between the hopper and the housing.
Preferably, the pleated structure is the structure of corrugated tube shape.
According to the compensation push-pull valve provided by the present invention for blast furnace roof, the pleated structure on its housing has compensation
Function, can either compensate the change in size that blast furnace expanded by heating is caused, and can compensate the error installed.And drive mechanism allows housing
Gap can be produced between hollow base, for inserting plate, the company between cutting die bucket and hollow base when needed
It is logical, to prevent steam upper.In baker before blast furnace is gone into operation, the present invention is prevented from steam upstream and damages and be arranged on this
The bell-less top equipment of bright top；In production maintenance, it is also possible to the high temperature completely cut off in the blast furnace of bottom and coal gas, personnel are made to exist
In the equipment of top, maintenance is safer.And which is simple and reliable for structure, popularization and application convenient to carry out.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described.In all of the figs, similar element
Or part is typically identified by similar reference.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural representation of FlexbleJoint of the prior art；
Fig. 2 is the front view of the compensation push-pull valve according to the embodiment of the present invention；
Left views of the Fig. 3 for Fig. 2；
Top views of the Fig. 4 for Fig. 2；
Description of reference numerals：1st, hollow base；2nd, housing；3rd, hopper；4th, drive mechanism；5th, plate；6th, compression type is prevented
Loose mechanism；7th, push rod；8th, slideway；11st, the second flange；21st, pleated structure；22nd, the first flange；61st, rod member；62nd, locking piece；
63rd, adjustment part.
Specific embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Technical scheme is clearly illustrated, therefore is only used as example, and the protection model of the present invention can not be limited with this
Enclose.
Fig. 2 is the front view of the compensation push-pull valve according to the embodiment of the present invention, and Fig. 3 is the left view of Fig. 2, and Fig. 4 is Fig. 2
Top view.As shown in figs. 2 to 4, the compensation push-pull valve for being used for blast furnace roof includes：The middle space base being located on blast furnace roof
Seat 1；Located at the housing 2 at the top of hollow base 1, housing 2 has and can allow for its pleated structure 21 for carrying out axial stretching；If
In the 2 interior hopper 3 for conveying material into blast furnace of housing；Drive mechanism 4, is connected with housing 2 and hollow base 1, and
Hollow base 1 can be driven to carry out axial up and down motion, so that housing 2 is engaged or is separated with hollow base 1；And plate
5, its can when housing 2 is separated with hollow base 1 in insertion gap therebetween, and can cutting die bucket 3 with
Connection between hollow base 1.Above-mentioned pleated structure 21 is preferably the structure of corrugated tube shape.Bellows structure is because of its planform
The characteristic relatively thin with tube wall, stress compensation ability are strong, when causing blast furnace non-top bell top charging equipment due to reasons such as shrinkages
When thermal stress is larger, only there are minor variations in the curvature of the corrugated tube with elastic characteristic, is highly suitable for compensating, eliminates heat
Stress.
Because housing 2 has compensation function, in blast furnace expanded by heating, pleated structure 21 can compensate for blast furnace and expand with heat and contract with cold making
Into change in size, and the alignment error of blast furnace top equipment can also be compensated, to avoid the damage of the blast-furnace equipment for thereby resulting in
It is bad, or the service life for shortening blast-furnace equipment.
In baker before blast furnace is gone into operation, the bell-less BF tep being arranged on above the present invention is damaged to prevent steam upper
Equipment；And in production maintenance, be the high-temperature gas completely cut off in the blast furnace of bottom, ensure the safety of maintainer, be required for cutting
Connection between disconnected hopper 3 and hollow base 1, now can be operated using plate 5.Drive mechanism 4 is driven first
Hollow base 1 is moved axially downwards, and allows and gap is produced between housing 2 and hollow base 1, then the insertion plate 5 in gap,
Prevent steam upper.After insertion plate 5, drive mechanism 4 drives hollow base 1 that plate 5 is pressed on housing 2 axially upward again
Between hollow base 1.
Above-mentioned drive mechanism 4 can be hydraulic cylinder, pneumatic cylinder, or worm and gear or rack-and-pinion.In a reality
Apply in example, drive mechanism 4 includes the straight line driving mechanism being connected with housing 2 and hollow base 1.It is highly preferred that the straight line drives
Motivation structure 4 is hydraulic cylinder.It is because of hydraulic cylinder small volume, taken up space little, but transmission power is big, is adapted for use with the heavier height of equipment
On stove non-bell furnace top charging equipment.
The compensation push-pull valve for blast furnace roof of the present invention also includes to apply phase to housing 2 and hollow base 1
To pressure with the compression type locking gear 6 in the gap between constriction housing 2 and hollow base 1.Compression type locking gear 6 is used in be inserted
After entering plate 5, opposite pressure is applied to housing 2 and hollow base 1, prevents the pressure oscillation of hydraulic cylinder from causing to seal therebetween
It is not tight, and the steam after causing insertion plate 5 in blast furnace overflows.Equally, plate 5 pull-out after be also required to it is locking using compression type
Mechanism 6 come make between housing 2 and hollow base 1 reliably seal.Compression type locking gear 6 is preferably four, along the circumference of housing 2
Spaced set, to reach optimal sealing effectiveness.Meanwhile, the position contacted with plate 5 on hollow base 1 is additionally provided with close
Seal, is further ensured that insertion 5 post-compensation formula push-pull valve of plate can still be reliably sealed.
Preferably, there is in the bottom of housing 2 the first flange 22 for extending radially outwardly, the bottom of hollow base 1 has
The second flange 11 for extending radially outwardly, the first flange 22 and the second flange 11 are used to install compression type locking gear 6 so as to energy
Enough it is securely fixed on housing 2 and hollow base 1.Compression type locking gear 6 be preferable to provide for：Compression type locking gear 6
Including the rod member 61 through the first flange 22 and the second flange 11, and the locking piece 62 on one end of rod member 61 and it is located at
Adjustment part 63 on the other end of rod member 61, adjustment part 63 can be moved with respect to rod member 61 and change which between locking piece 62
Spacing, so as to the gap between constriction housing 2 and hollow base 1.After rod member 61 runs through the first flange 22 and the second flange 11,
Locking piece 62 is connected with rod member 61, the lower section of the second flange 11 is fixed on, then adjustment part 63 is installed to into the first flange 22
The position of top, locking piece 62 and adjustment part 63 is interchangeable.
It is highly preferred that locking piece 62 is the nut being connected with rod member 61 by helicitic texture, adjustment part 63 is to extend radially through
The voussoir of rod member 61.Because adjustment part 63 is wedge shape, adjustment part 63 snaps in rod member 61 length after running through is different, then can cause rod member
61 and the axial upper and lower displacement of locking piece 62, so as to reach the effect of adjustment housing 2 and the gap width of hollow base 1, finally
Realize the plate 5 of insertion is compressed or housing 2 is pressed against with hollow base 1 in no plate 5, it is to avoid the heat of blast furnace
Gas overflows.Using voussoir directly through the design of rod member 61, the installing/dismounting of adjustment part 63 can be allowed more quick and easy.On
It can also be studs to state rod member 61, and locking piece 62 and adjustment part 63 are matched nuts.
In one embodiment, present invention additionally comprises along extend radially through housing 2 and/or hollow base 1 and for pushing away
Draw the push rod 7 of plate 5.Because the temperature of blast furnace is very high, operator can be avoided near high by 7 remote-controlled operation plate 5 of push rod
Stove, ensures the safety of operator.
Slideway 8 is additionally provided between housing 2 and hollow base 1, slideway 8 can be connected with housing 2, also can be with hollow base 1
It is connected, and slideway 8 can be flushed with gap for guiding plate 5 to slide in or out gap.Between allowing plate 5 to slip into by slideway 8
In gap, by the guiding of slideway 8 so that sliding in and out for plate 5 is all more smooth, it is also possible to avoid plate 5 from sliding
It is stuck in journey, affects the normal work of blast furnace.
In addition, to prevent the outside radiations heat energy of the high-temperature gas of furnace roof, the present invention from arranging between hopper 3 and housing 2
There is heat-insulating type implant.The material of this heat-insulating type implant is alumina silicate fiber felt.
In actual operating process, when needing to insert plate 5, first have to the locking machine of mounted compression type originally
Structure 6 is removed, when the piston of hydraulic cylinder promotes hollow base 1 to move axially downwards, the gap between housing 2 and hollow base 1
Increase, operator are inserted plate 5 in gap using push rod 7；Subsequently, the piston of hydraulic cylinder is retracted, so as to plate 5 is pressed on
Between housing 2 and hollow base 1.Now, then by the rod member 61 of four compression type locking gears 6 insert the first flange of housing 2
22 and hollow base 1 the second flange 11 in, the bottom locking piece 62 (i.e. nut) of rod member 61 is tightened, its top adjustment part
63 (i.e. voussoirs) adjust the length that voussoir snaps in rod member 61, finally realize voussoir clamping, by housing 2,5 and of plate through snapping in
1 three of hollow base compresses.After plate 5 is pulled out, it is same using compression type locking gear 6 making the housing 2 and hollow base 1 can
By sealing.
In the description of the present application, it is to be understood that term " on ", the orientation of the instruction such as D score or position relationship be base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply
The device or element of indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of invention.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme, which all should be covered in the middle of the scope of the claim and description of the present invention.
Claims (10)
1. a kind of compensation push-pull valve for blast furnace roof, it is characterised in that include：
The hollow base being located on the blast furnace roof；
Housing on the top of the hollow base, the housing are tied with can allow for its fold for carrying out axial stretching
Structure；
Hopper in the housing for conveying from material to the blast furnace；
Drive mechanism, is connected with the housing and the hollow base, and the hollow base can be driven to carry out on axial direction
Lower motion, so that the housing is engaged with hollow base or is separated；And
Plate, when the housing is separated with hollow base in insertion gap therebetween, and can cut off institute
State the connection between hopper and the hollow base.
2. compensation push-pull valve according to claim 1, it is characterised in that the drive mechanism include with the housing and
The connected straight line driving mechanism of the hollow base.
3. compensation push-pull valve according to claim 2, it is characterised in that the straight line driving mechanism is hydraulic cylinder.
4. the compensation push-pull valve according to any one of Claim 1-3, it is characterised in that also including can be to described
It is locking with the compression type in the gap described in constriction between housing and hollow base that housing and the hollow base apply opposite pressure
Mechanism.
5. compensation push-pull valve according to claim 4, it is characterised in that the bottom of the housing has radially outward prolongs
The first flange stretched, the bottom of the hollow base have the second flange for extending radially outwardly, the compression type locking gear
Including the rod member through first flange and the second flange, and the locking piece on one end of the rod member and be located at institute
State the adjustment part on the other end of rod member, the adjustment part can relatively described rod member motion and change itself and the locking piece it
Between spacing, so as to the gap described in constriction between housing and hollow base.
6. compensation push-pull valve according to claim 5, it is characterised in that the locking piece is by helicitic texture and institute
The nut that rod member is connected is stated, the adjustment part is radially through the voussoir of the rod member.
7. the compensation push-pull valve according to any one of Claim 1-3, it is characterised in that also include along radial direction passing through
Wear the housing and/or hollow base and for the push rod of plate described in push-and-pull.
8. the compensation push-pull valve according to any one of Claim 1-3, it is characterised in that also include and the housing
And/or the slideway that hollow base is connected, and the slideway can be flushed with the gap for guiding the plate to slip into or sliding
Go out the gap.
9. the compensation push-pull valve according to any one of Claim 1-3, it is characterised in that also described including being arranged on
Heat-insulating type implant between hopper and the housing.
10. the compensation push-pull valve according to any one of Claim 1-3, it is characterised in that the pleated structure is ripple
The structure of stricture of vagina tubulose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122534.7A CN106636513B (en) | 2016-12-08 | 2016-12-08 | A kind of compensation gate valve for blast furnace roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122534.7A CN106636513B (en) | 2016-12-08 | 2016-12-08 | A kind of compensation gate valve for blast furnace roof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106636513A true CN106636513A (en) | 2017-05-10 |
| CN106636513B CN106636513B (en) | 2019-02-19 |
Family
ID=58819292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611122534.7A Active CN106636513B (en) | 2016-12-08 | 2016-12-08 | A kind of compensation gate valve for blast furnace roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106636513B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070844U (en) * | 1990-06-15 | 1991-02-06 | 石家庄市阀门一厂 | Sealing type spile valve |
| CN201082895Y (en) * | 2007-10-01 | 2008-07-09 | 洛阳市钛德真空冶炼设备有限公司 | Vacuum rapid hardening furnace cooling material-receiving tank |
| CN201152366Y (en) * | 2008-01-30 | 2008-11-19 | 郑州郑阀阀门有限公司 | Damper valve corrugated pipe compensator |
| CN101725725A (en) * | 2008-10-31 | 2010-06-09 | 江苏神通阀门股份有限公司 | Gate valve |
| CN202430242U (en) * | 2012-01-04 | 2012-09-12 | 中冶东方工程技术有限公司 | Pot-string type blast furnace bell-less top charging device |
-
2016
- 2016-12-08 CN CN201611122534.7A patent/CN106636513B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070844U (en) * | 1990-06-15 | 1991-02-06 | 石家庄市阀门一厂 | Sealing type spile valve |
| CN201082895Y (en) * | 2007-10-01 | 2008-07-09 | 洛阳市钛德真空冶炼设备有限公司 | Vacuum rapid hardening furnace cooling material-receiving tank |
| CN201152366Y (en) * | 2008-01-30 | 2008-11-19 | 郑州郑阀阀门有限公司 | Damper valve corrugated pipe compensator |
| CN101725725A (en) * | 2008-10-31 | 2010-06-09 | 江苏神通阀门股份有限公司 | Gate valve |
| CN202430242U (en) * | 2012-01-04 | 2012-09-12 | 中冶东方工程技术有限公司 | Pot-string type blast furnace bell-less top charging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106636513B (en) | 2019-02-19 |
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