CN101148033A - Aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system and method - Google Patents

Aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system and method Download PDF

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Publication number
CN101148033A
CN101148033A CNA2006101132253A CN200610113225A CN101148033A CN 101148033 A CN101148033 A CN 101148033A CN A2006101132253 A CNA2006101132253 A CN A2006101132253A CN 200610113225 A CN200610113225 A CN 200610113225A CN 101148033 A CN101148033 A CN 101148033A
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China
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ball
shot
peening
dust
sand
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CNA2006101132253A
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Chinese (zh)
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CN101148033B (en
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崔前海
吴清艺
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中航重科(北京)科技发展有限公司
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Publication of CN101148033A publication Critical patent/CN101148033A/en
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Publication of CN101148033B publication Critical patent/CN101148033B/en

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Abstract

The present invention is shot and sand blasting system and method for cleaning residual carbon electrode from electrolyzing aluminum. The cleaning system includes one shot and sand blasting chamber as sealed space for shot and sand blasting operation for processing the surface of residual carbon electrode from electrolyzing aluminum to eliminate impurity and recover carbon; one piece of shot and sand blasting equipment including one automatic continuous shot and sand blasting device and one automatic shot and sand blasting mechanism with spraying guns; and one shot and sand recovering device. The present invention is favorable to recovering carbon for reuse.

Description

Aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system and method
Technical field
The present invention relates to electrolysis impurity cleaning technology and treatment system in the carbon element anode scrap removal process after the electrolysis of carbon element factory (workshop) of a kind of Chinalco or aluminium manufacturer, clear up the electrolysis impurity of the carbon element anode scrap outer surface after carbon element factory's electrolysis by the mode of automatic sandblast (ball), be beneficial to reclaim and use carbon element again after the electrolysis.
Background technology
The main component of carbon element anode scrap is the carbon piece, and outer surface (mainly being the anode scrap outer surface) adheres to the electrolyte needs cleaning to reclaiming harmful.The existing processing method of carbon element anode scrap of the carbon element factory of Chinalco or aluminium manufacturer is:
1, the equipment by the labor cleaning, producer is general to adopt an anode scrap workpiece to pass through platform, the workman roots out electrolyte attached to anode scrap workpiece outer surface rapidly with the instrument of special use when the anode scrap workpiece enters in the middle of the platform, the electrolyte of clearing up directly falls on the belt conveyor of platform below, is taken away by belt conveyor then.
2, the shot-blast apparatus cleaning plant, this equipment is usually by ball blast room body, ramming head, cut with scissors imperial ball material conveyer, bucket type ball material elevator, compositions such as ball material sorter and deduster, the operation principle of ball blast mainly is to adopt the principle of centrifugal force, the adjusting inconvenience of ramming head position, the main hinge dragon ball material conveyer and the bucket type ball material elevator of machinery of adopting of the conveying of ball material and lifting realized, the equipment failure rate height, maintenance capacity is big, the sealing of room body is poor during work, a large amount of ball material splash toward the chamber is external, the external personnel in chamber can't be near equipment, the ball material separating effect of ball material in removal process is poor, the ball material is wasted in a large number, the efficiency of dust collection of deduster and equipment overall noise poor effect.Therefore, at above variety of problems, this equipment soon, often makes the user be forced to stop using after coming into operation.
In view of this, the inventor is to be determined to be engaged in the experience that this area is researched and developed for many years, made with it for solving the problem that above-mentioned known technology exists, and the technology of general processing method and common apparatus is made brand-new improvement innovation, proposes the present invention.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system and method are provided, carbon element anode scrap with the carbon element factory (workshop) that is applicable to Chinalco or aluminium manufacturer reclaims, and improves even overcome the defective of above-mentioned known technology.
Technical solution of the present invention is: a kind of aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system, this cleaning system comprises: the shot-peening blast room, be used to locate electrolytic carbon anode scrap workpiece, can form a confined space, and in this confined space, electrolytic carbon anode scrap surface of the work is carried out sandblast or bead, to remove the impurity of electrolytic carbon anode scrap outer surface, reclaim clean carbon element and utilize again; The shot-peening sand blasting unit, described shot-peening sand blasting unit comprises automatically shot-peening sanding machine and automatic shot blasting sand-blasting machine structure continuously, this shot-peening sanding machine is for storing the pressure vessel of ball material or sand material, described automatic shot blasting sand-blasting machine structure comprises is located at many spray gun in the shot-peening blast room, described spray gun is located at the both sides of anode scrap workpiece below, top respectively, with aim at anode scrap workpiece bottom respectively, shot-peening or abrasive jet cleaning operation are carried out in the top; Conveying device comprises anode scrap Work transfer device, ball material sand material conveying device and the discard transfer apparatus of carrying the anode scrap workpiece to pass in and out this shot-peening blast room; Ball material or sand material retracting device, ball material or sand material after recovery sandblast or the bead.
Corresponding with above-mentioned aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system, the present invention also proposes a kind of aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method, and it comprises: conveying device is transported in the shot-peening blast room electrolytic carbon anode scrap and the location; The shot-peening sand blasting unit carries out shot-peening or blasting treatment to this electrolytic carbon anode scrap, to clear up the electrolysis impurity of its outer surface; Electrolytic carbon anode scrap after cleaning is finished is sent the shot-peening blast room through conveying device.
Characteristics of the present invention and advantage are: the present invention is according to aluminium manufacturer, carbon element factory user's requirement environment-friendly type sandblast (ball) equipment in conjunction with technology leading in the world, proposes to be applicable to electrolysis impurity method for cleaning and system in the carbon element anode scrap removal process of carbon element factory (workshop) of Chinalco or aluminium manufacturer.This The Application of Technology will substitute general labor cleaning's mode fully, to overcome the operation principle of the centrifugal force of general shot-blast apparatus, the adjusting inconvenience of ramming head position, mechanical ball material is carried and hoisting way, breakdown rate, a large amount of maintenance works, a large amount of ball material of room body sealing difference that solve common apparatus toward the chamber external splash problem, the ball material separating effect difference a large amount of ball material of ball material in removal process are wasted and the sordid problem of sorting, clear up sordid problem, at the bottom of the efficiency of dust collection and the big problem of noise, the problem that electrical apparatus control system falls behind etc.Specific as follows:
1, the ball material that adopts the air force mode to carry out behind the shot-peening reclaims, entire equipment is realized recovery, sorting, the dedusting of ball material by one or more sets blower fans, the mechanical type ball material that substitutes common apparatus reclaims form, EM equipment module in the honeycomb fashion ball material recovery floor of equipment, sorting, the dust removal process is without any movable parts, equipment does not exist maintenance phenomenon and maintenance cost in normal service life, for the user has saved a large amount of maintenance works and maintenance cost, improved operating efficiency greatly.
2, adopt pressure vessel as shot-peening (sand) jar, realize forced shot-peening (sand) by compressed air, substitute the impeller blasting of common apparatus centrifugal force mode, the cleaning area is big, high efficiency, and the position of spray gun and angular adjustment are flexible, convenient.
3, adopt high efficiency air force sorter, opened by effective sorting by the ball material of impurity after clearing up and circulating and recovering, the ball material cleanliness factor that reclaims of guaranteeing to circulate reaches 99%, and reusable ball material 100% is recovered.
4, adopt the multi-stage oscillating screen wire stitcher, realize the multiple varigrained ball material screen choosing in removal process of ball material, the screening precision reaches 99%.
5, adopt cyclone dust collectors and filter-element dust collector, improved efficiency of dust collection greatly, the dedusting precision reaches 99.99%.
6, adopt sandwich steel plate as the canyon body, good looking appearance, noise is little during work.
7, the electronic railroad that adopts leading screw to drive drives the operation and the swing of shot-peening mechanism in the body of chamber, realizes the automation shot-peening.This device is made up of one or more sets, can be arranged in the position on surfaces, inside and outside, chamber such as the upper surface of chamber body or sidewall.
8, adopt the PLC electrical apparatus control system, configuration computer touch-screen and laptop computer three-dimensional simulation work presentation process realize advanced electrical equipment control.
Description of drawings
Fig. 1 is the overall structure schematic diagram of aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system of the present invention.
Fig. 2 A is the concrete structure schematic diagram of cleaning of the present invention system.
Fig. 2 B is the vertical view of Fig. 2 A.
Fig. 2 C is the side view of Fig. 2 A.
Fig. 3 A, Fig. 3 B are the structural representation of wheel abrator cabinet.
Fig. 4 A, Fig. 4 B, Fig. 4 C are for reclaiming the floor structural representation of (or claiming to inhale the ball base plate).
Fig. 5 is the structural representation of wheel abrator.
Fig. 6 A, Fig. 6 B are the schematic diagram that is provided with of automatic spray gun.
Fig. 7 A, Fig. 7 B are the structural representation of air force deduster.
Fig. 8 is the flow chart of aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method of the present invention.
The drawing reference numeral explanation:
1, shot-peening (sand) chamber 10, room body 11 silencers
13, access door 17,19, front and back door 100, anode scrap workpiece
101, suspension rod 2, ball material retracting device 21, ball material reclaim the floor
23, floor barrier 25, ball material are carried airduct 27, are carried the ball airduct
3, sorting unit 31, elementary sorting unit 32, second level sorting unit
4, shot-blast unit 41, automatically continuous wheel abrator 45, automatic shot-peening mechanism
450, electronic railroad 451, the spray gun of leading screw driving
5, dust arrester 51, cyclone dust collectors 53, filter-element dust collector
6, dust emission device or dust bucket 71, blower fan 80, exhaust duct
The specific embodiment
As shown in the figure, the present invention proposes a kind of aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system, this cleaning system comprises: sandblast or wheel abrator cabinet 1, be used to locate anode scrap workpiece 100, and can form a confined space, and in this confined space, electrolytic carbon anode scrap 100 is carried out sandblast or bead; Sandblast or shot-blast unit 4, described shot-blast unit 4 comprises automatically continuously wheel abrator 41 and automatic shot-peening mechanism 45, this wheel abrator is the pressure vessel that stores ball material and shot-peening automatically, described automatic shot-peening mechanism is located at many spray gun in the wheel abrator cabinet, spray gun is located at two side positions of anode scrap workpiece 100 belows, top respectively, with aim at anode scrap workpiece 100 bottoms respectively, the blast cleaning operation is carried out at the top, to remove the impurity of electrolytic carbon anode scrap 100 outer surfaces; Conveying device 6 comprises the discard transfer apparatus that is used to carry the carrier chain of anode scrap workpiece 100 these wheel abrator cabinets 1 of turnover and is used to carry waste material; Ball material retracting device, sand material or ball material after recovery sandblast or the bead.
As shown in Figure 8, corresponding with above-mentioned cleaning system, the present invention also proposes a kind of aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method, and it may further comprise the steps: the electrolytic carbon anode scrap is transported to a confined space (wheel abrator cabinet) and location; This electrolytic carbon anode scrap is carried out shot-peening (sand) handle, to clear up the electrolysis impurity of its outer surface; Electrolytic carbon anode scrap after the cleaning is sent shot-peening (sand) chamber through conveying device; Reclaim ball (sand) material.
A following conjunction with figs. and a specific embodiment are described in further detail aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system of the present invention and method.Following examples describe with bead, but system and method for the present invention can be applied to blasting treatment too, do not add restriction herein.
As shown in Figure 1, the electrolysis impurity cleaning system of carbon element anode scrap of the present invention comprises wheel abrator cabinet 1, ball material gathering-device 2, sorting unit 3, shot-blast unit 4, dust arrester 5, dust emission device or dust bucket 6 (device that is connected with discard transfer apparatus), power set and control device etc.Wherein:
Shown in Fig. 2 A to Fig. 3 B, wheel abrator cabinet comprises that room body 10, muffler 11, illumination section (not shown), anode scrap workpiece are by door and by groove, access door 13 etc.
In a specific embodiment of the present invention, the internal diameter size of this wheel abrator cabinet 1 room body 10 is that (unit: mm), it comprises room body inlet framework, steel plate, rubber slab etc. to length (1000 to 50000) * width (1000 to 500) * highly (1000 to 10000).
Room body inlet framework (from the floor to the top) is made of general crossbeam, longitudinally arranges the skeleton that steel are formed, and intensity, stability to guarantee the chamber body are welded to form with steel plate again.Middle filled polystyrene or other insulation material, inner and outer plates and insulation material integral body are suppressed and are integral, and body 10 outsides, whole room all select for use this steel plate to form.Reach top lined steel plate around in the room body of wheel abrator cabinet, steel plate serves as a contrast white gum plate outward again, to prevent the splash wearing and tearing of ball material to wooden partition.
Two upper lateral parts along wheel abrator cabinet room body are evenly arranged air admission hole, and each air admission hole is combined by one group of even member of air-flow and muffler 11.Air enters wheel abrator cabinet 1 after the even member of air-flow evenly disperses, at cross section, indoor formation 0.2m/S left and right sides wind speed, flow into honeycomb fashion ball material and reclaim 21 li on floor.
Vertical or the both lateral sides installation lighting (not shown) in the top of room body 10, illuminating lamp is provided with over cap outward.The over cap of this illuminating lamp is closed when equipment is worked, and opens during maintenance.
On the sidewall of room body 10, be provided with anode scrap workpiece inlet/outlet 17,19, this workpiece inlet/outlet the 17, the 19th, set electronic or steam-operating door on the wheel abrator cabinet fore-and-aft direction that the anode scrap workpiece passes through.Anode scrap workpiece inlet/outlet 17,19 opens and closes automatically in anode scrap workpiece turnover wheel abrator cabinet 1 front and back, and when promptly anode scrap workpiece 100 was transported to before the wheel abrator cabinet 1, door was opened automatically; After anode scrap workpiece 100 entered wheel abrator cabinet 1, door was closed automatically.The anode scrap workpiece that reaches end face in the workpiece inlet/outlet of wheel abrator cabinet both sides has the multilayer rubber curtain by groove, and the ball material can not fly out from wheel abrator cabinet when guaranteeing shot-peening, and the suspension rod 101 of anode scrap workpiece 100 can not be worn when having guaranteed shot-peening simultaneously yet.
The groove that passes through of sending into and send the anode scrap workpiece for carrier chain is offered at the top of wheel abrator cabinet room body, both sides are provided with the electronic or pneumatic hermatic door 18 of going up (shown in Fig. 3 B, be the pneumostop door that constitutes by air clamper 180), the centre of last hermatic door 18 is provided with the suspension rod draw-in groove of a circle type or square form, when the anode scrap workpiece is delivered to the draw-in groove centre, last hermatic door closes up from trend anode scrap workpiece suspension rod 101 subtends, blocks workpiece suspension rod 101, does not allow its swing.In addition, the position up and down of draw-in groove inside is provided with the multilayer rubber curtain, prevents that the ball material from spilling from the orientation of anode scrap workpiece.
The top of last hermatic door is provided with one group of workpiece suspension rod guide slot 16 that is made of both sides guide post 160, guide slot 16 is located this suspension rod 101 above room body 10, the end that the workpiece suspension rod 101 of this guide slot 16 is come in is designed to outer splayed configuration opening, with the opposite position of draw-in groove in the middle of the hermatic door 18 a suspension rod locator 161 is set, when hermatic door closes up from trend workpiece suspension rod 101 subtends, when blocking workpiece suspension rod 101, suspension rod locator 161 stretches out tightly screens workpiece suspension rod 101, guarantees that suspension rod 101 can not swing.
Wheel abrator cabinet is provided with access door along anode scrap workpiece throughput direction two ends.Top in the wheel abrator cabinet is provided with the electronic or pneumostop door of a cover along throughput direction (shown in the chain-dotted line B among Fig. 2 B) both sides.When anode scrap workpiece 100 entered wheel abrator cabinet and stops, the electronic or pneumostop door of (being that workpiece passes through groove) closed up from trend workpiece suspension rod subtend along the throughput direction both sides at the wheel abrator cabinet top, blocks workpiece suspension rod 101, did not allow its swing.
Ball material gathering-device 2 of the present invention comprises that honeycomb fashion ball material reclaims parts such as floor 21 (please refer to shown in Fig. 4 A to Fig. 4 C), floor barrier 23, ball material conveying airduct 25.
The present invention adopts air force formula ball material conveying device, be specially and adopt the ball material way of recycling that goes up air intake, following air draught, be that air enters wheel abrator cabinet 1 from air admission hole (acoustical panel), the formula of drenching with rain flows to the ball material and reclaims 21 li on floor from top to bottom, when the gate is closed, form the plenum chamber state in the wheel abrator cabinet 1, dust can't fly upward, all the time reclaim the 21 times suctions in floor toward honeycomb fashion ball material and send, guaranteed good working environment.Impurity under ball material during shot-peening, dust and the quilt cleaning is brought into the ball material by air-flow and is reclaimed 21 li on floor, enters ball material sorting unit 3 through carrying ball airduct 27, carries out sorting.
Shown in Fig. 4 A to Fig. 4 C, honeycomb fashion ball material reclaims the plane honeycomb floor that floor 21 is made up of one or more cellular modules, be that honeycomb floor is made up of the little bucket that evenly is covered with, the little bucket of honeycomb fashion below connects the ball material of carrying ball material and air mixture and carries airduct 25.When the shot-peening operation, ball material, impurity and the dust that spray falls carried airduct 25 by the ball material that the air force honeycomb fashion reclaims under the floor 21, enters in the ball material sorting unit through carrying ball airduct 27.
Honeycomb fashion ball material reclaims floor 21 and is arranged on bottommost in the shot-peening room body 10, and promptly on the ground in existing workshop or be lower than ground, the height that honeycomb fashion ball material reclaims floor 21 is 100~2000mm.
Honeycomb fashion ball material reclaims the top laying floor barrier 23 on floor 21, and barrier 23 tops in floor are one deck orifice plate nets, and its mesh diameter is 3~50mm, is used to stop the walking of impurity and service worker, and the impurity cleaning on the mesh is convenient.
Described sorting unit 3 comprises: comprise elementary sorting unit and second level sorting unit.
Elementary sorting unit 31 is an air force sorting unit, and described elementary sorting unit is arranged on the exit of carrying ball airduct 27, comprises separator 311 and storage ball bucket 312.Ball material, impurity and the dust sent from ball material recovery floor 21 are through carrying the separator 311 that ball airduct 27 enters elementary sorting unit, the ball material that can re-use is separated from dust and impurity, fall into storage ball bucket 312 and recycle (can regulate peeling strength by technological requirement), remaining broken ball, dust, impurity are separated to and carry out dust removal process in the follow-up dust arrester.In the aforementioned separator wear-resistant friction layer can be set, to prolong the service life of separator to greatest extent.
Described second level sorting unit is a multi-stage oscillating screen net arrangement 32, is arranged on the below (the outlet below of storage ball bucket 312) of elementary sorting unit 31.Separating recycling ball material or sand material from elementary sorting unit 31 passes through multi-stage oscillating screen net (electronic) device 32 again and carries out ball material size criteria screening back circulation and enter automatically continuously wheel abrator 41 and use.
Shot-blast unit 4 comprises automatically continuously members such as wheel abrator 41 and automatic shot-peening mechanism 45, wherein:
As shown in Figure 5, this wheel abrator 41 is a pressure vessel, and it is provided with the automatically quick exhaust that is made of a complete set of reliability gas circuit control such as compressed air valve, pressurizing valve and atmospheric valve vigour part and mends ball, shot-peening mechanism.
This wheel abrator 41 has following function:
Material level warning function: all can carry out alarm in the pill overfill or when very few by the material level inductor 411 that is provided with.
Automatically control function: mend ball when pill is very few automatically, stop to mend ball in the time of too much automatically.
Automatically the automatic setting program opens and closes the shot-peening valve during shot-peening operation, and adopts forced shot-peening, has greatly improved cleaning efficiency and has handled classification standard (also can adopt the suction-type shot-peening according to technological requirement).Configuration boron carbide nozzle is firm wear-resisting in the soft abrasive rubber material during spray gun can adopt with sebific duct, rifle head.
Shown in Fig. 6 A, Fig. 6 B, what automatically shot-peening mechanism 45 comprised the anode scrap workpiece below that is arranged in the wheel abrator cabinet, both sides, top manyly reaches swing mechanism to automatic spray gun 451 and moving of being connected thereof.Spray gun 451 is aimed at anode scrap workpiece bottom, top respectively during shot-peening, and adopts leading screw to drive operation and swing that electronic (or pneumatic) railroad 450 drives shot-peening mechanism in the body of chamber, realizes the automation shot-peening.Spray gun 451 connects swing mechanism, the control of electronic or steam-operating device drives the spray gun electric device that swings simultaneously and exercises shot-peening action (can set retreat then exercise blow ash move) forward or backward, guarantee that the anode scrap workpiece evenly is sprayed onto, the ball material that the pollution of the suspension rod 101 of anode scrap workpiece 100 tops also can be splashed is cleared up along band.In the present invention, 2 to 32 spray guns 451 can be set altogether in the wheel abrator cabinet 1, first shot-peening after-blow ash (or carrying out synchronously).
Dust arrester 5 is made up of cyclone dust collectors 51 and filter-element dust collector 53, wherein:
Owing to consider that impurity and dust that the anode scrap workpiece is cleared up to get off are more, therefore one-level cyclone dust collectors 51 on the basis of filter-element dust collector, have been added, so that most dust is separated, and another part dust enters filter-element dust collector 53 with air-flow and carries out dedusting again, thereby has guaranteed effective processing of dust and prolonged service life of filter core.
The stage type dust arrester that filter-element dust collector 53 is made up of air generation plants and filter cylinder, it comprises parts such as aerodynamic separator and filter core, dust cleaning plant.Above-mentioned dust arrester has been realized the standard of up-to-date environmental requirement, and its technology has reached international top level.
Shown in Fig. 7 A, 7B, filter-element dust collector 53 is made of cell cube 530, cell cube 530 internal upper parts divide middle position that the air force deduster 531 of one bullet formula is arranged, form by grizzly bar 532 with certain interval, the even filter cylinder 533 of arranging in its both sides, filter core is arranged at the grizzly bar both sides in the deduster cell cube; The bottom is divided into storage dirt bucket 535.Storage dirt bucket 535 is connected with the trolley type automatic dust collection device 537 of deduster cell cube below.The hollow elongated cylinder that filter cylinder all adopts Compound filtering material radially to spread to change into fold, the surface is thin unconcerned with one deck polytetrafluoroethylene (PTFE).Minimum sieve aperture can stop the grit that 0.5um is above, makes it at the surface aggregation of filter material and form permeable dust-break cake, and most of dust is blocked in the filter material outer surface, and smooth surface, is difficult for adhering to dust, keeps high filter efficiency, is easy to deashing.Filter area as single filter cylinder is 23m2, exceeds 30 times than bag type filtering area.
The corresponding outer surface of each filter cylinder of deduster cell cube respectively is equipped with the pulse of compressed air device, pulser regularly carries out pulse dust cleaning to each filter cylinder surface in the deduster cell cube, with as the dust cleaning plant, makes system stable, the filter core long service life, maintenance cost is low.
The latter half of deduster cell cube is a bullet storage dirt bucket 537.The dust that is got off by pulse backblowing in dust that directly filters out from the air force deduster and filter cylinder surface falls into and concentrates on storage dirt bucket 537.
The deduster below is provided with closed automatic dust collection device 537, is made up of twin-stage automatic locking air valve and dust bucket, and the dress dust bag makes things convenient for dust collection and transportation in the dust bucket, and dust bucket can adopt and carry the travelling bogie structure.The efficiency of dust collection of air generation plants reaches about 90%, and other about 10% dust removes by filter through filter cylinder again.The maximum of it and common filter-element dust collector or sack cleaner be not both integrate the two-stage dedusting, volume is little, system is stable, long service life and outstanding high accuracy are filtered, and has improved the unsettled situation of dedusting.The dust that more than filters after collecting is directly entered in the automatic dust conveyer by the dust discharge pipe of deduster below.
Power set of the present invention can adopt centrifugal blower 71, and can be furnished with silencer cover.The collection of ball material, conveying, sorting and the dedusting of air force shot blasting equipment are all realized by one or more sets blower fans.In addition, the pure air after dust arrester filters is discharged into the atmosphere from exhaust duct 80 through blower fan 71, and exhaust duct 80 is connected with blower fan 71, and exhaust duct 80 is positioned wall or cares for steel wire rope.
Control device of the present invention can adopt known various structure, adopts the PLC programming Control as automatically controlled part, touch-screen can be set combine with PLC, so that entire equipment is realized control.Touch-screen can carry out the man-machine communication by the demonstration of various pictures, selector button, character, numeral, modulating signal, makes operating personnel understand the state of equipment, as showing pictures such as automatic production, manually control, the demonstration of switching value state on the touch-screen.This is produced picture and shows current output, and the single anode scrap work piece production time, the warning of malfunction (alarm make mistakes possible reason and be which sensor detects) is so that an operating personnel understands the condition of production, equipment ruuning situation; Manually the control picture makes operating personnel make mechanism's single movement on the equipment by touchscreen button, is producing and convenient adjustment during maintenance; Display frame demonstration of switching value state and the corresponding signal lamp of sensor states, touch-screen can be by the condition prompting maintenance personal convenient for maintaining of signal lamp.Can adopt electrical control cubicles that the operational circumstances of system's unlatching/interruption/requirements such as transfer is controlled, and control the keying of blower fan, spray gun, dedusting, carrier chain, illumination by console.
The working method of above-mentioned specific embodiment of the present invention and principle can be described as follows by following example:
The wheel abrator cabinet working method: the anode scrap workpiece is from entering cleaning chamber to time that goes out cleaning chamber about totally 20 seconds to 20 minutes.The work that will finish of cleaning chamber during this period comprises: open wheel abrator cabinet pneumatic door, anode scrap workpiece and deliver in the middle of the wheel abrator cabinet, close wheel abrator cabinet workpiece turnover sealing pneumatic door (closing the wheel abrator cabinet top work piece simultaneously by the pneumostop door on the groove), anode scrap workpiece location; Open spray gun, carry out anode scrap workpiece outer surface bead, close spray gun ball material, spray gun only can not give vent to anger ball, carry out anode scrap workpiece appearance top blast ash and handle; Anode scrap workpiece after unlatching wheel abrator cabinet pneumatic door, shot-peening are finished is sent, untreated anode scrap workpiece is sent into wheel abrator cabinet.
The wheel abrator cabinet workflow: the anode scrap workpiece is advanced pedestrian worker's preliminary treatment or miscellaneous equipment preliminary treatment (also can not handling) before entering wheel abrator cabinet, and then sends into wheel abrator cabinet by carrier chain.Wheel abrator cabinet all is provided with the steam-operating clamshell doors at the fore-and-aft direction that the anode scrap workpiece passes through.The steam-operating door opens and closes automatically before and after anode scrap workpiece turnover wheel abrator cabinet.When the anode scrap workpiece was transported to before the wheel abrator cabinet, the steam-operating door was opened automatically, and after the anode scrap workpiece entered wheel abrator cabinet, the steam-operating door was closed automatically.The wheel abrator cabinet workpiece is provided with the multilayer rubber curtain by the anode scrap workpiece of two sides in the door and end face by groove, guarantees that shot-peening can not fly out from wheel abrator cabinet, and the anode scrap workpiece hangs pole and can not be worn when also having guaranteed shot-peening simultaneously.When the anode scrap workpiece stops, the pneumostop door of (being that workpiece passes through groove) closes up from trend workpiece suspension rod subtend along the throughput direction both sides at the wheel abrator cabinet top, block the workpiece suspension rod, do not allow its swing, block workpiece suspension rod device on every side and form a circle or square draw-in groove, the position up and down of circle inside is provided with the multilayer rubber curtain, prevents that the ball material from spilling from the orientation of anode scrap workpiece.Simultaneously, the locator at the workpiece suspension rod guide slot of pneumostop door top middle part stretches out and tightly blocks the workpiece suspension rod, guarantees that suspension rod can not swing.2 to 30 spray guns are set altogether, first shot-peening after-blow ash (or carrying out simultaneously) in the wheel abrator cabinet.Both sides, anode scrap workpiece below in the wheel abrator cabinet respectively are equipped with 1 or many automatic spray gun, aim at anode scrap workpiece bottom respectively at this and carry out shot-peening, and two spray guns swing and exercise forward simultaneously during shot-peening.Both sides, anode scrap workpiece top in the wheel abrator cabinet respectively are equipped with 1 or many automatic spray gun, aim at anode scrap workpiece top respectively at this and carry out shot-peening, and two spray guns swing and exercise forward or backward simultaneously during shot-peening.After the blast cleaning, spray gun ball material stops ejection, and this moment, compressed air worked on, and carried out deashing to the bottom and the surface, top of anode scrap workpiece, and spray gun swing and rollback travel the same shot-peening of mode.After deashing was finished, workpiece was opened automatically by the pneumostop door on groove both sides, and wheel abrator cabinet outlet pneumatic door is opened automatically, and the anode scrap workpiece is sent wheel abrator cabinet through the suspension type carrier chain again.
The impurity manner of cleaning up: when the anode scrap surface of the work was handled, the grain shape that comes off size was inhomogeneous, and existing also have medium sized particle to fall with the disengaging of dust molecule form, the situation that also has bigger block integral body to peel off.These bigger impurity are blocked by the floor barrier, after per tour work is finished, open AD, the labor cleaning.
Operation principle: when shot-peening begins, the wheel abrator cabinet outer air disperses the air-supply acoustical panel to flow into indoor through being installed in the wheel abrator cabinet top, air stationary stream layer about wheel abrator cabinet cross section formation 0.3m/s, house dust, the cleaning thing, materials such as pill are brought suction ball floor into and are sent into separator through carrying the ball airduct, by separator with a useful ball and broken ball, dust and other refuse are separately, a useful ball flows back to vibratory sieve carry out high accuracy screening after, flowing back to wheel abrator again recycles, broken ball, dust and other refuse are brought into deduster by air respectively, after cyclone dust collectors and the dedusting of twin-stage filter core cleaner, dust flows into dustbin, and pure air enters atmosphere through blower fan.
Because method of the present invention is described in above-mentioned specific embodiment in the lump, therefore it is repeated no more.
Though the present invention discloses with specific embodiment; but it is not in order to limit the present invention; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present invention and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that scope of patent protection of the present invention is done.

Claims (17)

1. an aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system is characterized in that, this cleaning system comprises:
The shot-peening blast room is used to locate electrolytic carbon anode scrap workpiece, is formed for electrolytic carbon anode scrap surface of the work is carried out the confined space of sandblast or bead;
The shot-peening sand blasting unit, described shot-peening sand blasting unit comprises automatically shot-peening sanding machine and automatic shot blasting sand-blasting machine structure continuously, this shot-peening sanding machine is for storing the pressure vessel of ball material or sand material, described automatic shot blasting sand-blasting machine structure comprises is located at many spray gun in the shot-peening blast room, described spray gun is located at the both sides of anode scrap workpiece below, top respectively, with aim at anode scrap workpiece bottom respectively, shot-peening or abrasive jet cleaning operation are carried out in the top, remove the impurity of electrolytic carbon anode scrap outer surface;
Conveying device comprises anode scrap Work transfer device, ball material sand material conveying device and the discard transfer apparatus of carrying the anode scrap workpiece to pass in and out this shot-peening blast room;
Ball material or sand material retracting device, ball material or sand material after recovery sandblast or the bead.
2. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system as claimed in claim 1, it is characterized in that described shot-peening sanding machine is shot-peening sandblast fast, exhaust and the benefit ball stop-off device automatically that is made of a complete set of reliability gas circuit control of compressed air valve, pressurizing valve and atmospheric valve vigour part; Described spray gun connects and slides and swing mechanism, and this slip and swing mechanism be by electronic or steam-operating device control, and drives spray gun and swing and travel forward or backward simultaneously; Soft abrasive rubber material during spray gun adopts with sebific duct, configuration boron carbide nozzle in the rifle head.
3. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system as claimed in claim 1, it is characterized in that, described shot-peening blast room comprises the room body that is made of inlet framework, steel plate and rubber slab, the room body sidewall is provided with anode scrap workpiece inlet/outlet, body top, room offers for carrier chain and sends into and send the workpiece of anode scrap workpiece by groove and dispersion air-supply acoustical panel, outdoor air can flow into indoor when shot-peening or sandblast begin through this dispersions air-supply acoustical panel, and in the shot-peening blast room formation air stationary stream layer.
4. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system as claimed in claim 3 is characterized in that, described room body inlet framework is made of general crossbeam, longitudinally arranges steel composition skeleton, and is welded to form with steel plate; Middle continuous foamed moulding polystyrene or other insulation material of filling, inside and outside steel plate is with the whole compacting of insulation material and be integral, and around in the room body and top can serve as a contrast as required again and establish steel plate, and steel plate serves as a contrast outward again and establishes rubber slab.
5. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system as claimed in claim 1, it is characterized in that, the both sides, top of shot-peening blast room room body are provided with the electronic or pneumatic hermatic door of going up, the centre of last hermatic door is provided with the suspension rod draw-in groove of a circle type or square form, and the position up and down of suspension rod draw-in groove inside is provided with the multilayer rubber curtain that prevents that the ball material from spilling from the orientation of anode scrap workpiece.
6. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system as claimed in claim 1, it is characterized in that, described ball material or sand material retracting device comprise gathering-device, gathering-device comprises that honeycomb fashion reclaims the floor, carry airduct and floor barrier, this honeycomb fashion reclaims the floor and is arranged on the interior bottommost of shot-peening blast room room body, the plane honeycomb floor that this recovery floor is made up of a plurality of cellular modules, the plate below connects the conveying airduct of carrying ball material sand material and air mixture, the top that honeycomb fashion reclaims the floor is equipped with the floor barrier, and the floor barrier is provided with the orifice plate net.
7. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system as claimed in claim 1, it is characterized in that, described ball material or sand material retracting device also comprise sorting unit, described sorting unit comprises elementary sorting unit and second level sorting unit, described elementary sorting unit is the air force sorting mechanism, comprise separator and storage ball bucket, be arranged on and the exit of carrying the ball airduct of carrying airduct to link to each other; Described second level sorting unit is the multi-stage oscillating screen net arrangement, be arranged on the below of elementary sorting unit, promptly store up the outlet below of ball bucket, wherein: reclaim ball material or sand material, impurity and the dust sent the floor from the ball material and enter elementary sorting unit through carrying the ball airduct, the ball material or the sand material that can re-use are separated from dust and impurity, fall into storage ball bucket, carry out ball material or sand material size criteria screening back circulation through the multi-stage oscillating screen net arrangement again and enter automatically continuously the shot-peening sanding machine and use.
8. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system as claimed in claim 1, it is characterized in that, this cleaning system also includes dust arrester, described dust arrester comprises first order cyclone dust collectors and second level filter-element dust collector, wherein, the stage type dust arrester that filter-element dust collector is made up of aerodynamic separator and filter core, it comprises: aerodynamic separator, filter core, dust cleaning plant and Chu Chendou, the dust after above filtration is collected directly enter in the automatic dust conveyer by the dust emission device of deduster below or dust collect plant focuses on after collecting.
9. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system as claimed in claim 1, it is characterized in that, this cleaning system also includes power set, these power set are to adopt centrifugal blower to carry out the recovery of ball material sand material, the material sorting of ball material sand and dust removal process, and described centrifugal blower also can be furnished with silencer cover.
10. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method, it may further comprise the steps:
Conveying device is transported in the shot-peening blast room electrolytic carbon anode scrap and the location;
The shot-peening sand blasting unit carries out shot-peening or blasting treatment to this electrolytic carbon anode scrap, to clear up the electrolysis impurity of its outer surface;
Electrolytic carbon anode scrap after cleaning is finished is sent the shot-peening blast room through conveying device.
11. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method as claimed in claim 10 is characterized in that, the step of this shot-peening blasting treatment is forced shot-peening or the sandblast that realizes by compressed air.
12. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method as claimed in claim 10 is characterized in that, and is in the shot-peening blasting treatment or afterwards, further comprising the steps of:
With compressed air the deashing processing is carried out on the bottom and the surface, top of electrolytic carbon anode scrap.
13. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method as claimed in claim 10, it is characterized in that, be to collect ball material or sand material from the recovery floor of bottom, shot-peening blast room, then, dust in the shot-peening blast room, cleaning thing, ball material or sand material are sent into sorting unit carry out sorting process through carrying the ball airduct, at last satisfactory ball material or sand material are sorted out and be delivered to and continue in the shot-peening blast room to use.
14. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method as claimed in claim 13, it is characterized in that, described sorting process comprises elementary sorting process and secondary sorting process, described elementary sorting unit is arranged on the exit of carrying the ball airduct, it utilizes separator and storage ball bucket and adopts air force to carry out the elementary sorting of waste material, the ball material or the sand material that can re-use are separated from dust and impurity, fall into storage ball bucket; Described second level sorting unit is the multi-stage oscillating screen net arrangement, be arranged on the below of elementary sorting unit, promptly store up the outlet below of ball bucket, wherein: the ball material of sending from reclaim the floor or sand material, impurity and dust carry out ball material or sand material size criteria screening back circulation through the multi-stage oscillating screen net arrangement again and enter automatically continuously the shot-peening sanding machine and use after carrying the ball airduct and entering elementary sorting.
15. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method as claimed in claim 10, it is characterized in that this method also comprises dust removal process, so that the air-flow that contains dust is filtered, afterwards, Jie Jing air is discharged into the atmosphere from exhaust duct through blower fan.
16. aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method as claimed in claim 15, it is characterized in that, described dust removal process comprises first order cyclone dust collectors dust removal process and second level filter-element dust collector dust removal process, and the dust after above filtration is collected directly enters in the automatic dust conveyer by the dust discharge pipe of each deduster below or dust collect plant focuses on after collecting.
17., it is characterized in that described shot-peening sandblast, recovery and dust removal step are utilized aerodynamic mode that one or more sets blower fans are set and realized as each described aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning method of claim 10 to 16.
CN200610113225A 2006-09-20 2006-09-20 Aluminium plant electrolytic carbon residual anode surface pellet injecting and sandblast cleaning system CN101148033B (en)

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