A kind of screening type flour mill with exhausting impurity functionTechnical field
The present invention relates to screening type flour mill, and in particular to a kind of screening type flour mill with exhausting impurity function.
Background technology
In aluminum electrolysis industry, the broken state-of-the-art technology of electrolyte crust block is broken as terminal using screening type flour millA kind of Chain conveyer screening type flour mill that broken equipment, such as application number 201420840504.X are recorded is clear from electrolytic cell and anode scrapContain aluminium slag, aluminium block in the electrolyte crust block managed out, in by crushing and clearing, thick broken, course of conveying, some iron can be mixed intoThe impurity such as block, wood, rubber.This kind of impurity can not be broken in screening type flour mill and gradually be accumulated in grinding machine, miscellaneousThe production capacity of screening type flour mill and sieve plate life-span are adversely affected for the accumulation of matter, it is necessary to which periodic cleaning goes out screening type grindingMachine.Current method is that operative employee opens non-feed end after shutting down, and artificial pickup cleaning is carried out into screening type flour mill.It is such aMethod for cleaning efficiency is low, there is certain potential safety hazard.Moreover, screening type flour mill is in use due to bulk materials and impurityImpact of the middle iron block to sieve plate, causes the abrasion of sieve plate and because sieve plate is plastically deformed the problem of sieve aperture produced reduces, it is also desirable toCorresponding solution.
The content of the invention
The present invention is in order to overcome problems of the prior art can be in grinding process without manually doing there is provided one kindA kind of pre- screening type flour mill with exhausting impurity function.
The present invention is for the used technical scheme that solves the above problems：A kind of screening type grinding with exhausting impurity functionMachine, includes the electric control gear of cylinder, control cylinder rotating and speed governing, and the barrel of cylinder is connected and composed by multiple sieve plates, sieve plateSieve aperture is provided with, the inwall of cylinder is provided with some broken risers and some impurity delivery boards, impurity delivery board and broken liftingPlate correspondence is arranged in a crossed manner；Be respectively equipped with charging hollow shaft and impurities removal hollow shaft on the end cap that the two of cylinder are oppositely arranged, cylinder withThe end cap of impurities removal hollow shaft connection is provided with some spiral shape impurities removal grooves, and the rotation direction of spiral shape impurities removal groove is set to when cylinder reversionWhen, impurity is sent to impurities removal hollow shaft；The inwall of impurities removal hollow shaft and charging hollow shaft is provided with oppositely oriented helical blade.
Wherein, it is in many spread configurations to crush riser and impurity delivery board.
Preferably, the broken riser of same arrangement is that multiple uniform intervals are set or in integrative-structure, arranged adjacentBroken riser is staggered or is correspondingly arranged.
Preferably, the impurity delivery board of same arrangement is that multiple uniform intervals are set or in integrative-structure.
Preferably, crush riser to arrange in even number, it is 30 ~ 350mm to crush riser apart from the height of cylinder inboard wall, miscellaneousMatter delivery board is 30 ~ 150mm apart from the height of cylinder inboard wall.
Wherein, riser is crushed perpendicular to cylinder inboard wall, crushes lifting face and the axis parallel of cylinder of riser.
Wherein, impurity delivery board is between cylinder inboard wall, and the conveyor surface of impurity delivery board and the axis of cylinderAngle be 3 ~ 70 °.
In the present invention, the spiral shape impurities removal slot number amount set on the end cap of impurities removal hollow shaft is 2 ~ 12, each spiral shape rowMiscellaneous groove is set in uniform intervals, and the groove width of spiral shape impurities removal groove is 50 ~ 300mm, and the rotation direction of spiral shape impurities removal groove is set to work as cylinderImpurity is sent to impurities removal hollow shaft by body when inverting.
In the present invention, the inwall of sieve plate is provided with latticed floor.
Further, the height of floor protrusion sieve plate inwall is 10 ~ 80mm, constitutes the single side of the fenestral fabric of floorThe length of side of lattice is 50 ~ 250mm.
Broken riser and impurity delivery board are set in the cylinder of the present invention, when cylinder rotates to breaking patterns direction,Broken riser can carry out the material in cylinder to lift-leave action, and then broken material；In cylinder to counterturnDuring rotation, the impurity for needing to remove in cylinder can be delivered to impurities removal end by impurity delivery board, and impurity passes through spiral shape impurities removal grooveGrinding machine is discharged with the helical blade in impurities removal hollow shaft.
Beneficial effect：The present invention is after flour mill works a period of time, a number of impurity of accumulation in grinding machine, grinding machine withThe direction opposite with normal breaking patterns slowly runs, as grinding machine is rotated, and impurity is sent to spiral shape impurities removal by impurity delivery boardImpurity is sent to impurities removal hollow shaft by groove, spiral shape impurities removal groove, and impurity is discharged screening type flour mill by impurities removal hollow shaft.So as to realizeGrinding is automatically drained out grinding the function of interior impurity, improves the operating efficiency of grinding machine.
Meanwhile, the inwall of charging hollow shaft and impurities removal hollow shaft is provided with oppositely oriented helical blade, feeds hollow shaftHelical blade material is sent into grinding machine in comminution operating mode, the helical blade of impurities removal hollow shaft arranges impurity in impurities removal operating modeGo out grinding machine.
Meanwhile, the inwall of sieve plate is provided with floor, in shattering process, on the one hand, the floor for protruding from sieve plate strengthens millThe breaking capacity of machine, on the other hand, it is to avoid impact closing in problems of the bulk materials to sieve aperture, improves the life-span of sieve plate.
Brief description of the drawings
Fig. 1 is schematic diagram of the invention；
Fig. 2 is the schematic diagram of spiral shape impurities removal groove in Fig. 1；
Impurity motion schematic diagram when Fig. 3 is impurities removal operating mode；
Fig. 4 is the schematic diagram of one piece of sieve plate in cylinder；
The enlarged diagram that Fig. 5 is sign A in Fig. 4.
Reference：1st, cylinder, 2, charging hollow shaft, 3, impurities removal hollow shaft, 4, sieve plate, 40, sieve aperture, 41, floor, 5, brokenBroken riser, 6, impurity delivery board, 7, spiral shape impurities removal groove, 8, helical blade, 9, reinforcement, 10, impurity.
Embodiment
To readily appreciate the technological means of the invention realized, creation characteristic and the purpose reached, with reference to specificSchematic diagram, is expanded on further the present invention, but scope of the present invention is not limited to be retouched in embodimentThe scope stated.
A kind of screening type flour mill with exhausting impurity function, as shown in figure 1, including cylinder 1, control the rotating of cylinder 1 andCharging hollow shaft 2 and impurities removal hollow shaft 3, impurities removal are respectively equipped with the electric control gear of speed governing, the two of cylinder 1 end cap being oppositely arrangedThe inwall of hollow shaft 3 and charging hollow shaft 2 is provided with oppositely oriented helical blade.The barrel of cylinder 1 is by multiple as shown in Figure 4Sieve plate 4 connect and compose, sieve plate 4 is provided with sieve aperture 40, and the inwall of sieve plate 4 is provided with latticed floor 41, and floor 41 is convexThe height h for going out the inwall of sieve plate 4 is 10 ~ 80mm, and the length of side g for constituting the single grid of the fenestral fabric of floor 4 is 50 ~ 250mm.
As shown in figures 1 and 3, the inwall of cylinder 1 is provided with some broken risers 5 and some impurity delivery boards 6, cylinder 1The upper end cap being connected with impurities removal hollow shaft 3 is provided with some spiral shape impurities removal grooves 7, and the rotation direction of spiral shape impurities removal groove 7 is set to：Work as cylinderWhen body 1 is inverted, impurity is sent to impurities removal hollow shaft 3.Wherein, it is in many spread configurations to crush riser 5 and impurity delivery board 6.
In the present invention, the broken riser 5 of same arrangement is set for multiple uniform intervals or in integrative-structure, arranged adjacentBroken riser 5 be staggered or be correspondingly arranged.More than 5 uniform intervals of broken riser that Fig. 3 lists same arrangement are setPut, the broken riser 5 of arranged adjacent is staggered.Similarly, the impurity delivery board 6 of same arrangement can set for multiple uniform intervalsPut or in integrative-structure.
It is preferred that, impurity delivery board 5 and broken riser 6 are corresponding arranged in a crossed manner, i.e. impurity delivery board 5 and broken riser6 can be organized in pairs, and can not also be organized in pairs.
As shown in figures 1 and 3, riser 5 is crushed perpendicular to the inwall of cylinder 1, crushes lifting face and the cylinder 1 of riser 5Axis parallel.Broken riser 5 is arranged in even number, it is preferred that for the arrangement of 2 ~ 12 even numbers, crush the lifting face of riser 5It is 30 ~ 350mm apart from the height of the inwall of cylinder 1.
As shown in figure 3, impurity delivery board 6 is perpendicular to the inwall of cylinder 1, as shown in figure 1, and impurity delivery board 6 conveyor surfaceAngle α between the axis of cylinder 1 is 3 ~ 70 °, i.e. impurity conveyor surface and the inclination angle of the axis of cylinder 1 is 3 ~ 70 °.ImpurityThe height of the inwall of apogee distance cylinder 1 on the structure triangular in shape of delivery board 6, the conveyor surface of impurity delivery board 6 is 30 ~ 150mm.As shown in figure 3, being each provided with broken riser 5 close to the side of impurity delivery board 6 under some reinforcements 9, reinforcement 9End is fixed on the inwall of cylinder 1.
The quantity of spiral shape impurities removal groove 7 set on the end cap of impurities removal hollow shaft 3 is 2 ~ 12, and each spiral shape impurities removal groove 7 is inUniform intervals are set, and impurity is sent to impurities removal hollow shaft 3, spiral shape row by spiral shape impurities removal groove 7 in the steering R of the impurities removal of cylinder 1The groove width of miscellaneous groove 7 is 50 ~ 300mm.
There is the electric control gear of rotating and speed regulation capacity, speed adjustable range is in screening type flour mill rated speed in the present invention10 ~ 120%.
The flour mill of the present invention is in broken mode of operation, and material enters through charging hollow shaft 2 to be rotated clockwise（Such as Fig. 2Shown L to）Grinding machine（In terms of charging aperture）, the broken riser 5 in cylinder 1 leads under being thrown after material lifting certain altitudeThe collision for crossing collision and material and material of the material with cylinder 1 crushes material.After a period of time, accumulation is certain in grinding machineDuring the impurity 10 of quantity, grinding machine stops feed, can be stopped through operating emptying after a while after broken material.
Screening type flour mill is transferred to impurity removal mode of operation, and grinding machine is slowly run with the direction opposite with normal breaking patterns（R as shown in Figure 2 to）, impurity delivery board 6 is transported to impurity the impurities removal end of grinding machine on cylinder 1, spiral shape impurities removal groove 7 withImpurity is transported to impurities removal hollow shaft 3 by the rotation of cylinder 1, then discharges grinding machine from impurities removal hollow shaft 3.After impurity is excluded, parking,Terminate impurity removal mode of operation.The present invention realizes simple in construction, reliable, easy-operating automatic impurity, is particularly suitable for use inThe improvement of screening type flour mill in the electrolyte crust block crushing and grinding technique cleaned out by anode scrap.