CN208381337U - A kind of flap valve for blast furnace raw material system - Google Patents
A kind of flap valve for blast furnace raw material system Download PDFInfo
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- CN208381337U CN208381337U CN201820697921.1U CN201820697921U CN208381337U CN 208381337 U CN208381337 U CN 208381337U CN 201820697921 U CN201820697921 U CN 201820697921U CN 208381337 U CN208381337 U CN 208381337U
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Abstract
The utility model discloses a kind of flap valves for blast furnace raw material system, including shell, hydraulic cylinder, shaft and valve plate, the both ends of shaft are fixed on shell by bearing block, valve plate is set in shaft, hydraulic cylinder is connected by one end of connecting rod and shaft, valve plate is set in shell, bearing block and hydraulic cylinder are set to outside shell, hydraulic cylinder extension is rotated by connecting rod drive shaft, to drive valve plate to overturn, valve plate is equipped with valve plate liner plate, and the inner wall of shell is equipped with casing liner, and the two sides of valve plate liner plate are equipped with flange.It can avoid shell and valve plate abrasion, prolong the service life, by the setting of flange, material can be effectively reduced and enter the gap between valve plate and shell, prevent valve plate card resistance, guarantee blast fumance efficiency.
Description
Technical field
The utility model relates to materials-handling technology fields, and in particular to a kind of flap valve for blast furnace raw material system.
Background technique
In blast furnace raw material system, it is often used the belt that two are arranged symmetrically while conveys material, when both having increased unit
Between material conveying capacity, while two belt mutual backup, when a belt breaks down, another belt can normally make
With.1 threeway flap valve is set below the tail wheel of two belts, makes the raw material of two Belt Conveyings that can successively be discharged to a left side together
Hopper, right hopper, are then transported to blast furnace process again.
Feedstock transportation is most important to blast fumance, directly affects furnace processor.Threeway flap valve must meet frequent, fast
Speed, action message, and the general hardness of blast furnace raw material is high, granularity is small, easily enters the gap between valve plate and shell, makes valve card
Resistance.Therefore a kind of reliable threeway flap valve is studied, it is very significant to guarantee blast fumance efficiency.
Summary of the invention
The technical problems to be solved in the utility model is in view of the foregoing defects the prior art has, to provide a kind of use
In the flap valve of blast furnace raw material system, it can avoid shell and valve plate abrasion, prolong the service life, by the setting of flange, can have
Effect reduces material and enters the gap between valve plate and shell, prevents valve plate card resistance, guarantees blast fumance efficiency.
Used technical solution is the utility model to solve above-mentioned technical problem:
The both ends of a kind of flap valve for blast furnace raw material system, including shell, hydraulic cylinder, shaft and valve plate, shaft are logical
It crosses bearing block to be fixed on shell, valve plate is set in shaft, and hydraulic cylinder is connected by one end of connecting rod and shaft, valve plate setting
In in shell, bearing block and hydraulic cylinder are set to outside shell, and hydraulic cylinder extension is rotated by connecting rod drive shaft, to drive valve
Plate overturning, valve plate are equipped with valve plate liner plate, and the inner wall of shell is equipped with casing liner, and the two sides of valve plate liner plate are equipped with flange.
According to above-mentioned technical proposal, valve plate is inverted V-shaped, and the two sides of shaft are equipped with the feeding chute of inclination arrangement, blanking
Chute is set to the lower section of valve plate.
According to above-mentioned technical proposal, the surface of feeding chute is equipped with chute lining board.
According to above-mentioned technical proposal, the two sides of feeding chute are equipped with wing plate；Wing plate has guide effect, prevents material under
Expect that the two sides of chute are overflowed.
According to above-mentioned technical proposal, shaft includes long axis, short axle and drive shaft, the both ends of long axis by key respectively with short axle
One end and drive shaft one end socket, the other end of short axle is fixed on shell by bearing block, and the other end of drive shaft leads to
It crosses key to connect with connecting rod, drive shaft is fixed on shell by bearing block；Short axle, long axis and drive shaft are arranged in same axis
On.
According to above-mentioned technical proposal, set above shell there are two the belt for the arrangement that compares, the belt tail wheel of belt is symmetrical
Arrangement, the side-lower of two belt tail wheels are equipped with baffle, and the both ends of baffle are connected and fixed with housing sidewall respectively.
According to above-mentioned technical proposal, soft scraper plate is equipped with below the return belt face of belt, the outside of soft scraper plate is equipped with pressing plate,
Pressing plate is fixed by bolts in housing sidewall.
According to above-mentioned technical proposal, two limit discharge positions and horizontal plane of valve plate forward and reverse overturning are in the angle α
Degree, α angle guarantee the smooth no backup of valve plate blanking at least more than repose angle of material.
According to above-mentioned technical proposal, the front and rear wall of shell is equipped with limited block, and limited block is arranged in valve plate forward and reverse
The outside of two limit discharge positions of overturning.
According to above-mentioned technical proposal, positioning pin is equipped between long axis and short axle and drive shaft.
The utility model has the following beneficial effects:
Shell and valve plate and material contact site are equipped with liner plate, avoid shell and valve plate from wearing, prolong the service life, lead to
The setting of flange is crossed, material can be effectively reduced and enter the gap between valve plate and shell, prevents valve plate card resistance, guarantees blast fumance
Efficiency.
Detailed description of the invention
Structural representation when Fig. 1 is right side blanking in the utility model embodiment for the flap valve of blast furnace raw material system
Figure；
Structural representation when Fig. 2 is left side blanking in the utility model embodiment for the flap valve of blast furnace raw material system
Figure；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the A-A cross-sectional view of Fig. 1；
Fig. 5 is the B-B cross-sectional view of Fig. 3；
Fig. 6 is the structural schematic diagram of the flange of case top in the utility model embodiment；
In figure, 1- shell, 2- connecting plate, 3- limited block, 4- baffle, 5- hydraulic cylinder, 6- casing liner, 7- connecting rod, under 8-
Expect chute, 9- chute lining board, 10- positioning pin, 11- short axle, 12- bearing block, 13- key, 14- valve plate, 15- valve plate liner plate, 16- long
Axis, 17- drive shaft, 18- pressing plate, the soft scraper plate of 19-, 20- flange, 21- wing plate, the left hopper of 22-, the right hopper of 23-, 24- belt feeder
Frame, 25- belt tail wheel roller, 26- belt tail wheel center line, 27- chute installation pedestal, 28- bearing mounting base, 29- bolt hole.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
The turnover panel for blast furnace raw material system shown in referring to Fig.1~Fig. 6, in one embodiment provided by the utility model
The both ends of valve, including shell 1, hydraulic cylinder 5, shaft and valve plate 14, shaft are fixed on shell 1 by bearing block 12, valve plate 14
It is set in shaft, hydraulic cylinder 5 is connect by connecting rod 7 with one end of shaft, and valve plate 14 is set in shell 1,12 He of bearing block
Hydraulic cylinder 5 is set to outside shell 1, and hydraulic cylinder 5 is flexible to be rotated by 7 drive shaft of connecting rod, so that valve plate 14 is driven to overturn, valve plate
14 are equipped with valve plate liner plate 15, and the inner wall of shell 1 is equipped with casing liner 6, and the two sides of valve plate liner plate 15 are equipped with flange 20；Can have
Effect reduces material and enters the gap between valve plate 14 and shell 1, prevents from causing 14 card resistance of valve plate.
Further, valve plate 14 is inverted V-shaped, and the two sides of shaft are equipped with the feeding chute 8 of inclination arrangement, feeding chute 8
It is set to the lower section of valve plate 14；The tip of inverted V-shaped valve plate 14 is set to upper end, and the lower end of inverted V-shaped valve plate 14 is connect with shaft,
14 discharging of V-arrangement valve plate and overturn more smooth, and two-sided discharging makes valve plate 14 the service life is longer, and two feeding chutes 8 divide
Not Wei left feeding chute and right feeding chute, the upper end of the upper end of left feeding chute and right feeding chute respectively with top valve plate 14
Two sides docking, the lower end of left feeding chute docks with left hopper 22, and the lower end of right feeding chute is docked with right hopper 23, blanking
The bottom of chute 8 is equipped with chute installation pedestal, and feeding chute 8 is fixedly arranged on hopper by chute installation pedestal；When valve plate 14 is inverse
When hour hands turn at angle α with horizontal plane, the material of two belts is discharged to the right side on the right side of 14 right side of valve plate, feeding chute
Hopper 23, when valve plate 14 be clockwise to it is horizontal at angle α when, the raw material of two belts along 14 left side of valve plate, under
Left hopper 22 is discharged on the left of material chute.
Further, the surface of feeding chute is equipped with chute lining board 9.
Further, the two sides of feeding chute are equipped with wing plate 21；Wing plate 21 has guide effect, prevents material from blanking chute
It overflows the two sides of slot.
Further, shaft includes long axis 16, short axle 11 and drive shaft 17, the both ends of long axis 16 by key 13 respectively with it is short
One end of axis 11 and one end socket of drive shaft 17, the other end of short axle 11 are fixed on shell 1 by bearing block 12, drive shaft
17 other end is connect by key 13 with connecting rod 7, and drive shaft 17 is fixed on shell 1 by bearing block 12；Short axle 11, long axis 16
It is arranged on same axis with drive shaft 17.
Further, it being set above shell 1 there are two the belt for the arrangement that compares, the belt tail wheel of belt is arranged symmetrically, and two
The side-lower of a belt tail wheel is equipped with baffle 4, and the both ends of baffle 4 are connected and fixed with 1 side wall of shell respectively.
Further, soft scraper plate 19 is equipped with below the return belt face of belt, the outside of soft scraper plate 19 is equipped with pressing plate 18, pressure
Plate 18 is fixed by bolts on 1 side wall of shell；Soft scraper plate 19 is set between 1 side wall of shell and pressing plate 18, and soft scraper plate 19 is set
It is placed in the return belt face of two belts and the intersection of shell 1.
Further, valve plate liner plate 15 and casing liner 6 are made of multiple liner plate units.
Further, two limit discharge positions and horizontal plane of 14 forward and reverse of valve plate overturning are in α angle, the angle α
Degree guarantees the smooth no backup of 14 blanking of valve plate at least more than repose angle of material.
Further, the front and rear wall of shell 1 is equipped with limited block 3, and limited block 3 is arranged in the overturning of 14 forward and reverse of valve plate
Two limit discharge positions outside；Limited block 3 is used to that valve plate 14 to be limited and be positioned, and avoids exceeding discharge position,
To influence discharging.
Further, shell 1 is fixedly arranged on belt frame 24 by fastener, and hydraulic cylinder 5 is fixedly arranged on shell 1.
Further, the upper end of shell 1 is equipped with feed inlet, and feed inlet is set to the top of shaft, and the lower end of shell 1 is equipped with
Two discharge ports, two discharge ports are arranged in the down either side of shaft.
Further, positioning pin 10 is equipped between long axis 16 and short axle 11 and drive shaft 17.
Further, shell 1 is equipped with connecting plate 2, and belt feeder rack is connect by connecting plate 2 with shell 1, connecting plate 2
It is set on rear side of belt tail wheel；By the disassembly of connecting plate 2, it is convenient for integral replacing equipment, only need to unclamps bolt of lower base, remove work
Dynamic connecting plate 2, exits belt tail wheel, can all remove equipment, simple and easy to do.
Further, 1 top design of shell is at flange arrangement.
Further, bearing block 12 is fixed in the bearing installation pedestal of shell 1.
Further, the upper end of shell 1 is equipped with feed inlet, and feed inlet is set to the top of shaft, and the lower end of shell 1 is equipped with
Two discharge ports, two discharge ports are arranged in the down either side of shaft, and a discharge port is used to dock with left hopper 22, another
Discharge port with right hopper 23 for docking.
Working principle of the utility model is:
Driven by hydraulic cylinder 5, drive valve plate 14 is suitable, rotate counterclockwise to it is horizontal it is at angle α can be realized turn right, it is left
The switching of 22 discharging of hopper, and belt can be met and continued when blanking " strip switching ".Angle [alpha] is protected at least more than repose angle of material
Demonstrate,prove the smooth no backup of 14 blanking of valve plate.
Shell 1, valve plate 14 and chute and material contact site are equipped with wear-resistant liner, and shell 1 and valve plate 14 is avoided to wear,
Prolong the service life.
Moving components, the feeding chutes such as shell 1, valve plate 14 and axis are separately mounted on the basis of difference, are used between three
The structure of partial installation makes to be independent of each other, and repair and maintenance is convenient.
Long axis 16, short axle 11 and drive shaft 17 are coupled using this dismountable mode of key 13, when valve plate 14 damages, only
Bearing block 12, extraction short axle 11, drive shaft 17 and key 13 need to be dismantled, so that it may integral replacing valve plate 14, it is very convenient；Also, three
Person is linked to be the axis of a root long, keeps valve plate 14 more firm.
It is all made of the limit of positioning pin 10 between short axle 11, drive shaft 17 and long axis 16, prevents axial float and generates abrasion.
Liner plate side on valve plate 14 close to 1 front and rear wall of shell is equipped with flange 20, can effectively reduce material and enter valve plate
14 card resistance of valve plate is caused in gap between 14 and shell 1.
21 backgauge of wing plate is arranged in feeding chute two sides, effectively avoids spilling material.
Between 1 front and rear wall of shell, the long baffle 4 being arranged below two pulley sides can effectively prevent the material to splash from entering
The hopper of another non-discharging；The stability that shell 1 can be enhanced simultaneously, prevents from deforming.
By the way that soft scraper plate 19 is arranged below return belt, the dust stratification of belt back can be not only cleaned, but also can be to prevent
Only the sag of belt and directly contacted with hard 1 edge of shell, scratch belt.When replacing soft scraper plate 19, only pressing plate 18 need to be removed, ten
It is convenient to divide.
14 extreme position of valve plate setting limited block 3 is corresponded in 1 front and rear wall of shell, when valve plate 14 is suitable or goes to the angle α counterclockwise
It when spending, is contacted with limited block 3, plays the role of mechanical position limitation, avoided limiting and keeping the angle α less than normal, blanking is unsmooth.Also, valve
After plate 14 and 3 forced contact of limited block, supporting point is increased, stream is more firm when impacting, and valve plate 14 is avoided to shake.
Flange is set at the top of shell 1, it is convenient that dust excluding hood is installed when necessary.
Above is only the preferred embodiment of the utility model, cannot limit the power of the utility model with this certainly
Sharp range, therefore equivalence changes made according to the patent scope of the utility model, still belong to the protection scope of the utility model.
Claims (10)
1. a kind of flap valve for blast furnace raw material system, which is characterized in that including shell, hydraulic cylinder, shaft and valve plate, shaft
Both ends be fixed on shell by bearing block, valve plate is set in shaft, and hydraulic cylinder is connected by one end of connecting rod and shaft,
Valve plate is set in shell, and bearing block and hydraulic cylinder are set to outside shell, and hydraulic cylinder extension is rotated by connecting rod drive shaft, from
And valve plate is driven to overturn, valve plate is equipped with valve plate liner plate, and the inner wall of shell is equipped with casing liner, and the two sides of valve plate liner plate are equipped with
Flange.
2. the flap valve according to claim 1 for blast furnace raw material system, which is characterized in that valve plate is inverted V-shaped, shaft
Two sides be equipped with the feeding chute of inclination arrangement, feeding chute is set to the lower section of valve plate.
3. the flap valve according to claim 2 for blast furnace raw material system, which is characterized in that the surface of feeding chute is set
There is chute lining board.
4. the flap valve according to claim 2 for blast furnace raw material system, which is characterized in that the two sides of feeding chute are set
There is wing plate.
5. the flap valve according to claim 1 for blast furnace raw material system, which is characterized in that shaft includes long axis, short
The both ends of axis and drive shaft, long axis are socketed with one end of short axle and one end of drive shaft respectively by key, and the other end of short axle is logical
It crosses bearing block to be fixed on shell, the other end of drive shaft is connect by key with connecting rod, and drive shaft is fixed on shell by bearing block
On body；Short axle, long axis and drive shaft are arranged on same axis.
6. the flap valve according to claim 5 for blast furnace raw material system, which is characterized in that long axis and short axle and driving
Positioning pin is equipped between axis.
7. the flap valve according to claim 1 for blast furnace raw material system, which is characterized in that there are two being set above shell
The belt tail wheel of the belt for the arrangement that compares, belt is arranged symmetrically, and the side-lower of two belt tail wheels is equipped with baffle, baffle
Both ends are connected and fixed with housing sidewall respectively.
8. the flap valve according to claim 1 for blast furnace raw material system, which is characterized in that the return belt face of belt
Lower section is equipped with soft scraper plate, and the outside of soft scraper plate is equipped with pressing plate, and pressing plate is fixed by bolts in housing sidewall.
9. the flap valve according to claim 1 for blast furnace raw material system, which is characterized in that valve plate forward and reverse turns over
Two limit discharge positions and horizontal plane turned are in α angle, and α angle guarantees that valve plate blanking is suitable at least more than repose angle of material
Smooth no backup.
10. the flap valve according to claim 1 for blast furnace raw material system, which is characterized in that on the front and rear wall of shell
Equipped with limited block, limited block is arranged in the outside of two limit discharge positions of valve plate forward and reverse overturning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820697921.1U CN208381337U (en) | 2018-05-11 | 2018-05-11 | A kind of flap valve for blast furnace raw material system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820697921.1U CN208381337U (en) | 2018-05-11 | 2018-05-11 | A kind of flap valve for blast furnace raw material system |
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| Publication Number | Publication Date |
|---|---|
| CN208381337U true CN208381337U (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820697921.1U Active CN208381337U (en) | 2018-05-11 | 2018-05-11 | A kind of flap valve for blast furnace raw material system |
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| CN (1) | CN208381337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386549A (en) * | 2018-05-11 | 2018-08-10 | 中冶南方工程技术有限公司 | A kind of flap valve for blast furnace raw material system |
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2018
- 2018-05-11 CN CN201820697921.1U patent/CN208381337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386549A (en) * | 2018-05-11 | 2018-08-10 | 中冶南方工程技术有限公司 | A kind of flap valve for blast furnace raw material system |
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