CN207357321U - A kind of alumina crust block wind for being capable of online recycling aluminium slag sweeps formula autogenous tumbling mill system - Google Patents

Abstract

A kind of alumina crust block wind for being capable of online recycling aluminium slag sweeps formula autogenous tumbling mill system, and the inner wall of autogenous tumbling mill is equipped with lifting liner plate；The both ends of autogenous tumbling mill are respectively equipped with feed end quill shaft and discharge end quill shaft, and discharge end quill shaft is equipped with discharging air passage, and discharging air passage is equipped with the opening device with air-tightness；The recycling trolley that can be moved along the axial reciprocating of autogenous tumbling mill is provided with the discharging air passage side of autogenous tumbling mill, recycle trolley and be equipped with the splicing bar set with the position correspondence of opening device, the one end being disposed adjacent in splicing bar with discharging air passage is equipped with receiving hopper, the setting of splicing pole length, recycling trolley is set to drive splicing bar to enter in the opening device opened, and receiving hopper is stretched into inside autogenous tumbling mill, the aluminium slag in the autogenous tumbling mill of rotation can be fallen into receiving hopper.The utility model can realize online recycling aluminium slag, avoid because manual recovery aluminium slag long-time shutdown the defects of, improve efficiency.

Description

A kind of alumina crust block wind for being capable of online recycling aluminium slag sweeps formula autogenous tumbling mill system

Technical field

It the utility model is related to the electrolyte grinding technical field of aluminum electrolysis industry, and in particular to one kind being capable of online recycling The alumina crust block wind of aluminium slag sweeps formula autogenous tumbling mill system.

Background technology

During Aluminum Electrolysis Production, the electrolyte knot containing aluminium slag is produced in electrolytic cell cleaning and anode scrap scale removal process Shell block, return electrolytic cell is electrolysed again after the electrolyte in the block of the electrolyte crust containing aluminium slag needs grinding, aluminium slag therein Recycled after needing separation.The prior art generally uses autogenous grinding grinding mode, and electrolyte is dissociated with aluminium slag in grinding process, is electrolysed Matter is broken, grinding, and the product that fineness reaches requirement takes autogenous tumbling mill separation and recovery out of through the circulating current in autogenous tumbling mill.But dissociate The aluminium slag gone out cannot be grated and rest in autogenous tumbling mill and work, it is necessary to manually be periodically into autogenous tumbling mill and pick up recycling aluminium slag, should Aluminium slag picks up recovery operation, and there are labor intensity is big, efficiency is low and there are the problems such as personal safety to operator.

Utility model content

In order to overcome problems of the prior art, the utility model provides a kind of oxygen for being capable of online recycling aluminium slag Change aluminium crust block wind and sweep formula autogenous tumbling mill, realize online reliable discharge aluminium slag.

The utility model is that technical solution is used by realizing the above problem：A kind of oxidation for being capable of online recycling aluminium slag Aluminium crust block wind sweeps formula autogenous tumbling mill system, which is included by the sequentially connected surge bunker of pipeline, batcher, autogenous grinding Machine, sorting machine, bagroom, screw conveyor and finished bin, the discharge end of autogenous tumbling mill, sorting machine and bagroom three It is connected with wind turbine, wind turbine provides the negative pressure for extracting material for the system, and the both ends of autogenous tumbling mill are respectively equipped with feed end Empty axis and discharge end quill shaft, discharge end quill shaft are equipped with discharging air passage, and the inner wall of autogenous tumbling mill is equipped with lifting liner plate；Discharge wind Road is equipped with the opening device with air-tightness；Being provided with the discharging air passage side of autogenous tumbling mill can be past along the axial direction of autogenous tumbling mill The recycling trolley moved again, recycling trolley are equipped with the splicing bar set with the position correspondence of opening device, with going out in splicing bar One end that material air passage is disposed adjacent is equipped with receiving hopper, and the setting of splicing pole length, enables recycling trolley to drive splicing bar to enter In the opening device of opening, and receiving hopper is set to stretch into inside autogenous tumbling mill, the aluminium slag in the autogenous tumbling mill of rotation can fall into receiving hopper It is interior.

The track along the axially extending setting of autogenous tumbling mill is equipped with autogenous tumbling mill discharge end side, recycling trolley can be in the rail Moved on road, that is, recycle trolley sliding connection on that track.

In the utility model, the one end for being away from each other setting in splicing bar with discharging air passage is connected with upset handwheel, splicing bar Central axis and autogenous tumbling mill central axis coaxial set, by rotate overturn handwheel, splicing bar and receiving hopper can be driven Aluminium slag is poured out in synchronous 180 ° of upset.

In the utility model, the adjustable extent of autogenous tumbling mill rotating speed is the 60 ~ 120% of autogenous tumbling mill rated speed, and receiving hopper loads During aluminium slag, by adjusting autogenous tumbling mill rotating speed, aluminium slag is set to fall into receiving hopper.

Beneficial effect：The utility model stops autogenous tumbling mill feed when carrying out aluminium slag recycling, can grind materials mill in autogenous tumbling mill After complete, autogenous tumbling mill shuts down.The opening device on discharging air passage is opened, is moved back to along track and zooms in car, receiving hopper is put in Start autogenous tumbling mill after certain position inside autogenous tumbling mill, adjust autogenous tumbling mill rotating speed so that what the lifting liner plate in autogenous tumbling mill was lifted Aluminium slag is fallen into the receiving hopper of recycling trolley, stops autogenous tumbling mill when receiving hopper fills, reverse movement recycling trolley, moves receiving hopper Go out autogenous tumbling mill, rotary turning handwheel, makes receiving hopper upset draw off aluminium slag, completes aluminium slag recycling.Formula autogenous grinding is swept suitable for removing wind Aluminium slag in machine, instead of the pickup work being manually entered in autogenous tumbling mill, has the characteristics that efficient, automatic, safe；In discharging air passage It is upper that an opening device is set, the defects of can realizing online recycling aluminium slag, avoid the long-time shutdown because of manual recovery aluminium slag, carry High efficiency.

The adjustable extent of autogenous tumbling mill rotating speed is the 60 ~ 120% of autogenous tumbling mill rated speed, and autogenous tumbling mill main motor uses variable-frequency electric Machine controls, and autogenous tumbling mill speed governing can be fallen into order to material in the receiving hopper of recycling trolley.

Brief description of the drawings

Fig. 1 is the schematic diagram that the utility model alumina crust block wind sweeps formula autogenous tumbling mill system；

Fig. 2 is the connection diagram of recycling trolley and autogenous tumbling mill.

Reference numeral：1st, surge bunker, 2, batcher, 3, autogenous tumbling mill, 30, feed end quill shaft, 31, discharge end quill shaft, 32nd, liner plate is lifted, 4, sorting machine, 5, bagroom, 6, screw conveyor, 7, finished bin, 8, wind turbine, 9, discharging air passage, 10, Opening device, 11, recycling trolley, 12, splicing bar, 13, receiving hopper, 14, lock wind discharge valve, 15, pipeline, 16, track, 17, electricity Dynamic sampler, 18, electro-hydraulic gate valve, 19, upset handwheel.

Embodiment

Technological means, creation characteristic and the purpose reached to realize the utility model readily appreciate, with reference to Specific schematic diagram, is expanded on further the utility model, but the utility model scope claimed is not limited to specific reality Apply the scope described in mode.

A kind of alumina crust block wind for being capable of online recycling aluminium slag sweeps formula autogenous tumbling mill system, as shown in Figure 1, grinder system Including passing through the sequentially connected surge bunker 1 of pipeline 15, batcher 2, autogenous tumbling mill 3, sorting machine 4, bagroom 5, helical feed Machine 6 and finished bin 7, the discharge end of 5 three of autogenous tumbling mill 3, sorting machine 4 and bagroom are connected with wind turbine 8, and wind turbine 8 is should System provides the negative pressure for being used for extracting material.The conforming particle that 4 selection by winnowing of sorting machine goes out passes through helical feed through bagroom 5 Machine 6 enters finished bin 7, and the underproof material that 4 selection by winnowing of sorting machine goes out passes through the pipeline return autogenous tumbling mill 3 for being equipped with lock wind discharge valve 14 Feed end.

As shown in Fig. 2, the inner wall of autogenous tumbling mill 3 is equipped with lifting liner plate 32, it is hollow that the both ends of autogenous tumbling mill 3 are respectively equipped with feed end Axis 30 and discharge end quill shaft 31, discharge end quill shaft 31 are equipped with the discharging air passage 9 connected with wind turbine 8, close on the air passage 9 that discharges Envelope is equipped with the opening device 10 with air-tightness；The system be additionally included in autogenous tumbling mill 3 31 side of discharge end quill shaft set and The recycling trolley 11 that can be moved along the axial reciprocating of autogenous tumbling mill 3, is provided with along autogenous tumbling mill in the discharging air passage side of autogenous tumbling mill 3 The track 16 of 3 axially extending setting, recycling trolley 11 move on the track 16.

As shown in Fig. 2, recycling trolley 11 is equipped with the splicing bar 12 set with the position correspondence of opening device 10, splicing bar It is equipped with receiving hopper 14 on 12 with one end i.e. end of splicing bar 12 that is disposed adjacent of discharging air passage 9, the setting of 12 length of splicing bar, Enable recycling trolley 11 to drive splicing bar 12 to enter in the sealing device 10 opened, and receiving hopper 13 is stretched into autogenous tumbling mill 3 Portion, the aluminium slag in the autogenous tumbling mill 3 of rotation can be fallen into receiving hopper 13.The central axis of splicing bar 12 and the center of autogenous tumbling mill 3 Axis coaxle is set, and the one end for being away from each other setting in splicing bar 12 with discharging air passage 9 is connected with upset handwheel 19, and receiving hopper 14 connects Stop autogenous tumbling mill 3 when full, reverse movement recycling trolley 11, makes receiving hopper 14 remove autogenous tumbling mill 3, rotary turning handwheel 19 can Drive 180 ° of the upset synchronous with receiving hopper 11 of splicing bar 12 to pour out aluminium slag, complete aluminium slag recycling.

When the opening device of the utility model is opened, receiving hopper can enter autogenous tumbling mill by opening device, and when closing is close Closing property is good.Preferably, the opening device 10 in the utility model is gate valve.The opening device of the utility model can be it His valve, or seal good existing device when can realize closing.When opening device is gate valve, the gate valve Can be electric sealed gate valve, electric hermetic gate valve is by major-minor valve body, valve plate, telescopic joint, fixing sleeve, Electrohydraulic push rod The component compositions such as clamp system, walking Denso, limiter, left and right side valve body.Close valve principle：Electrohydraulic push rod driving spring clamps Mechanism, disengages valve plate, in place after, walking Denso start, drive valve plate walking by reach close, in place after, Electrohydraulic push rod is reverse Movement, spring clamp mechanism Automatic-clamping in place, close valve and terminate.Valve opening is then on the contrary.It is in and closes in electric hermetic plate valve During closed state, the medium in pipeline is completely cut through, realizes sealing zero leakage, which can be live, remote Journey operates；The gate valve can also be hand operated gate valve, and the principle of hand operated gate valve is that a latus rectum size is provided with flashboard Round mouth, the action that round mouth is completely disengaged and matched with latus rectum on flashboard is opened and closed by flashboard.The advantages of this valve, exists In valve body latus rectum un-grooved, medium will not card resistance block, and there are full-bore flow characteristics.The diameter of hand power screw gate valve with Receiving hopper is supporting, has square and two kinds circular.

The adjustable extent of 3 rotating speed of autogenous tumbling mill is the 60 ~ 120% of 3 rated speed of autogenous tumbling mill, when receiving hopper 13 loads aluminium slag, is led to The rotating speed of adjustment autogenous tumbling mill 3 is crossed, aluminium slag is fallen into receiving hopper 13.The main motor of autogenous tumbling mill 3 is controlled using variable-frequency motor, can be with To 3 speed governing of autogenous tumbling mill, fallen into order to material in the receiving hopper 13 of recycling trolley 11.

The operation principle of the utility model is：

In the system of the utility model, the material being stored in surge bunker 1 enters autogenous tumbling mill 3 through batcher 2, crushes powder Sorting machine 4 is pumped into through wind after mill, the qualified material isolated enters finished bin 7 through bagroom 5, screw conveyor 6, do not conform to The material of lattice is crushed through locking the return continuation grinding of autogenous tumbling mill 3 of wind discharge valve 14, and wind turbine 8 provides negative pressure for system, pumps material.It is right In autogenous tumbling mill 3, material enters 3 crushing and grinding of autogenous tumbling mill through feed end quill shaft 30, by discharge end quill shaft 31, discharging air passage 9, into sorting machine 4.

When aluminium slag recycles, stop autogenous tumbling mill 3 and be fed, can be after grind materials have ground in autogenous tumbling mill 3, autogenous tumbling mill 3 shuts down.Beat Opening device 10, i.e. gate valve are opened, is moved back to along track 15 and zooms in car 11, makes recycling trolley 11 to close to the direction of autogenous tumbling mill 3 It is mobile, receiving hopper 13 is put in inside autogenous tumbling mill 3, starts autogenous tumbling mill 3 after positioning, adjusts 3 rotating speed of autogenous tumbling mill so that lifting liner plate The aluminium slag of 32 liftings is fallen into receiving hopper 13, is stopped autogenous tumbling mill 3 when receiving hopper 13 fills, is moved back to along track 15 and zoom in car 11, Recycling trolley 11 is set to be moved to the direction away from autogenous tumbling mill 3, after receiving hopper 13 removes autogenous tumbling mill 3, rotary turning handwheel 19 will Receiving hopper 13 overturns 180 °, draws off aluminium slag.

Claims (4)

1. a kind of alumina crust block wind for being capable of online recycling aluminium slag sweeps formula autogenous tumbling mill system, which includes passing through pipe The sequentially connected surge bunker in road, batcher, autogenous tumbling mill, sorting machine, bagroom, screw conveyor and finished bin, autogenous tumbling mill, Sorting machine and the discharge end of bagroom three are connected with wind turbine, and wind turbine is provided for extracting the negative of material for the system Pressure, the both ends of autogenous tumbling mill are respectively equipped with feed end quill shaft and discharge end quill shaft, and discharge end quill shaft is equipped with discharging air passage, It is characterized in that：The inner wall of autogenous tumbling mill is equipped with lifting liner plate；Air passage discharge equipped with the opening device with air-tightness；In autogenous grinding The discharging air passage side of machine is provided with the recycling trolley that can be moved along the axial reciprocating of autogenous tumbling mill, and recycling trolley is equipped with opening The splicing bar that the position correspondence of opening device is set, the one end being disposed adjacent with discharging air passage in splicing bar are equipped with receiving hopper, splicing The setting of pole length, enables recycling trolley to drive splicing bar to enter in the opening device opened, and receiving hopper is stretched into autogenous grinding Inside machine, the aluminium slag in the autogenous tumbling mill of rotation can be fallen into receiving hopper.

2. a kind of alumina crust block wind for being capable of online recycling aluminium slag according to claim 1 sweeps formula autogenous tumbling mill system, It is characterized in that：The track along the axially extending setting of autogenous tumbling mill is equipped with autogenous tumbling mill discharge end side, recycling trolley can be Moved on the track.

3. a kind of alumina crust block wind for being capable of online recycling aluminium slag according to claim 1 sweeps formula autogenous tumbling mill system, It is characterized in that：The one end for being away from each other setting in splicing bar with discharging air passage is connected with upset handwheel, the central axis of splicing bar Set with the central axis coaxial of autogenous tumbling mill, handwheel is overturn by rotating, splicing bar upset synchronous with receiving hopper can be driven 180 ° are poured out aluminium slag.

4. a kind of alumina crust block wind for being capable of online recycling aluminium slag according to claim 1 sweeps formula autogenous tumbling mill system, It is characterized in that：The adjustable extent of autogenous tumbling mill rotating speed is the 60 ~ 120% of autogenous tumbling mill rated speed, when receiving hopper loads aluminium slag, is led to Adjustment autogenous tumbling mill rotating speed is crossed, aluminium slag is fallen into receiving hopper.