Device and method for treating secondary aluminum ash
Technical Field
The invention relates to the technical field of aluminum ash treatment, in particular to a device and a method for treating secondary aluminum ash.
Background
The aluminum ash is solid hazardous waste produced in the aluminum industrial production process, and can be divided into primary aluminum ash and secondary aluminum ash according to the content of metal aluminum in the aluminum ash. The aluminum ash slag scraped from the smelting furnace is called primary aluminum ash, also called white aluminum ash, and secondary aluminum ash is aluminum ash generated after metal aluminum is extracted from the primary aluminum ash, and a large amount of harmful substances exist in the secondary aluminum ash and need to be utilized and disposed according to the dangerous waste standard.
The treatment device of the secondary aluminum ash is an innocuous treatment device of the aluminum ash, can realize the fluorine fixation and ammonia removal of the aluminum ash so as to reach the available standard, and is mainly characterized in that the aluminum ash, water and a detergent are put into a tank for stirring, the fluorine can be locked in the aluminum ash and ammonia gas can be separated along with the stirring, and then the washed aluminum ash is discharged and dehydrated to realize harmless treatment, but the washed aluminum ash is adhered to the inner wall of the tank body, so that the discharge is not facilitated.
Disclosure of Invention
Aiming at the problem that the washed aluminum ash is adhered to the inner wall of the tank body and is not beneficial to discharge in the prior art, the invention provides a device and a method for treating secondary aluminum ash, and the specific technical scheme is as follows:
On the one hand, the application provides a treatment device for secondary aluminum ash, which comprises a tank body, a driving part arranged in the middle of the top end of the tank body and a stirring part rotatably arranged in the tank body, wherein the stirring part comprises a stirring shaft rotatably connected in the tank body, a plurality of groups of stirring blades are uniformly arranged on the outer periphery of the stirring shaft around the circumference, and the tops of the stirring blades are connected with a sliding rod;
the driving part comprises a rotary table which is rotatably arranged above the stirring shaft, and an arc-shaped slideway corresponding to the sliding rod is arranged on the rotary table;
The rotary table is driven by an external force to rotate relative to the stirring shaft and drive the stirring blades to extend outwards.
As a further technical scheme of the invention, the driving part comprises an output motor arranged in the middle of the top end of the tank body, the output end of the output motor is connected with an output shaft, the other end of the output shaft extends and is inserted into the tank body, the extending end of the output shaft is provided with a socket I, and the turntable is provided with a jack;
A second socket is formed in the top of the stirring shaft, an inserting rod is connected between the stirring shaft and the output shaft, one end of the inserting rod is inserted into the first socket, and the other end of the inserting rod penetrates through the inserting hole and is inserted into the second socket;
The inserted link is driven by an external force to lift and change between a first state and a second state;
In the first state, the inserted link penetrates through the jack and is inserted into the second jack, so that the turntable and the stirring shaft are forced to synchronously rotate;
in the second state, the inserted link is inserted into the insertion hole, and the rotary table and the stirring shaft are allowed to rotate relatively.
As a further technical scheme of the invention, the outside of the inserted link is connected with a shaft sleeve, the outside of the shaft sleeve is rotatably connected with a connecting plate, the top end of the tank body is provided with a hydraulic push rod, and the output end of the hydraulic push rod is inserted into the tank body and is connected with the connecting plate.
As a further technical scheme of the invention, the outside of the inserted link is provided with a plurality of ribs extending in radial direction.
As a further technical scheme of the invention, the top of the tank body is provided with a feed inlet and an exhaust outlet at intervals, and the bottom of the tank body is provided with a water outlet and a discharge outlet at intervals.
As a further technical scheme of the invention, the stirring blade is twisted along the rotation direction of the stirring shaft from bottom to top, and the stirring blade is twisted along the rotation direction of the stirring shaft from outside to inside.
As a further technical scheme of the invention, the stirring blade is provided with a concave angle, and the discharge opening corresponds to the concave angle in an extending state.
As a further technical scheme of the invention, the rotary table is in rotary connection with the stirring shaft.
As a further technical scheme of the invention, a guide groove is formed in the stirring blade, a guide rod is radially extended outside the stirring shaft, and the guide rod is inserted into the guide groove.
On the other hand, the application also provides a method for the treatment device of the secondary aluminum ash, which comprises the following specific steps:
s1, preparing materials;
putting aluminum ash, water and a detergent into a tank body;
S2, stirring;
starting an output motor, and driving an output shaft, an inserted link, a rotary table, a stirring shaft and stirring blades to rotate so as to stir aluminum ash;
s3, scraping;
Starting a hydraulic push rod, driving a connecting plate, a shaft sleeve and a plug rod to move upwards, so that the plug rod is separated from a second plug socket, and enabling a turntable to be driven by an output motor to rotate relative to a stirring shaft, and limiting the position of a slide rod through an arc-shaped slide way to force a stirring blade to move outwards to extend;
and starting the hydraulic push rod again, driving the connecting plate, the shaft sleeve and the inserting rod to move downwards, enabling the inserting rod to be inserted into the second inserting opening again, enabling the turntable and the stirring shaft to rotate synchronously, and scraping aluminum ash on the inner side wall of the tank body into the concave angle by utilizing rotation of the stirring blade and discharging the aluminum ash from the discharge opening.
The beneficial effects of the invention are as follows:
(1) According to the application, the stirring blades can move radially relative to the stirring shaft, so that stirring of aluminum ash in a normal state is ensured, aluminum ash on the inner wall of the tank body can be scraped off in an extending state, and discharge of the aluminum ash is facilitated.
(2) In the application, the stirring blade is twisted along the circumferential direction in both the axial direction and the radial direction, and simultaneously, the twisting in the axial direction and the twisting in the radial direction form a concave angle on the stirring blade, so that aluminum ash can be automatically collected into the concave angle when the stirring blade rotates.
(3) According to the application, the relation between the turntable and the stirring shaft is changed between the first state and the second state by controlling the lifting of the inserted rod, so that the synchronous rotation of the turntable and the stirring shaft in the stirring state can be ensured, and the relative rotation of the turntable and the stirring shaft can be allowed to achieve the purpose of extension.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a treatment apparatus for secondary aluminum ash;
FIG. 2 is a schematic view showing the internal structure of the tank;
fig. 3 shows a schematic structural view of the driving part;
FIG. 4 shows a schematic view of the structure of the plunger;
fig. 5 shows a schematic structural view of the stirring section;
fig. 6 shows a combination diagram of the driving part and the stirring part.
The drawing shows that 100 parts of a tank body, 110 parts of a feed inlet, 120 parts of an exhaust outlet, 130 parts of an exhaust outlet, 140 parts of an exhaust outlet, 200 parts of a driving part, 210 parts of an output motor, 220 parts of an output shaft, 221 parts of a first socket, 230 parts of an inserting rod, 231 parts of a rib, 240 parts of a rotating disc, 241 parts of an inserting hole, 242 parts of an arc slideway, 250 parts of a shaft sleeve, 260 parts of an connecting plate, 270 parts of a hydraulic push rod, 300 parts of an agitating part, 310 parts of an agitating shaft, 311 parts of an guiding rod, 312 parts of an inserting hole, 320 parts of an agitating blade, 321 parts of an guiding groove, 322 parts of an sliding rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
The application provides a novel stirring part which can scrape off aluminum ash adhered on the inner wall of a tank body in a discharging state so as to be beneficial to discharging the aluminum ash.
Fig. 1 shows an overall structure schematic diagram of a secondary aluminum ash treatment device, fig. 2 shows an internal structure schematic diagram of a tank body 100, and fig. 1 and 2 show the secondary aluminum ash treatment device, which comprises the tank body 100, a driving part 200 installed in the middle of the top end of the tank body 100 and a stirring part 300 rotatably arranged in the tank body 100, wherein the stirring part 300 is connected with an output end of the driving part 200, the driving part 200 is utilized to drive the stirring part 300 to rotate so as to stir aluminum ash in the mixed tank body 100, thereby realizing fluorine and ammonia removal, a feed inlet 110 and an exhaust port 120 are arranged at the top of the tank body 100 at intervals, a drain outlet 130 and a drain outlet 140 are arranged at the bottom of the tank body 100 at intervals, in use, a feed channel is connected outside the feed inlet 110 and used for throwing aluminum ash, water and a detergent into the tank body 100, the exhaust port 120 is externally connected with an air suction channel and used for connecting ammonia gas generated in the tank body 100, the drain outlet 130 and the drain outlet 140 are connected with a pipeline and an electromagnetic valve is installed so as to control opening and closing, a filter screen is installed in the drain outlet 130, part of liquid can be preferentially discharged for preparing for subsequent solid-liquid separation.
Fig. 3 shows a schematic structure of a driving part 200, fig. 4 shows a schematic structure of a plug rod 230, fig. 3 and 4 show a schematic structure of the plug rod 230, the driving part 200 comprises an output motor 210 arranged in the middle of the top end of a tank body 100, an output end of the output motor 210 is connected with an output shaft 220, the other end of the output shaft 220 extends and is inserted into the tank body 100, a socket I221 is arranged at the extending end of the output shaft 220, the plug rod 230 is inserted into the socket I221, a plurality of ribs 231 extending radially are arranged outside the plug rod 230, a turntable 240 is sleeved outside the plug rod 230, a jack 241 corresponding to the plug rod 230 is arranged inside the turntable 240, a shaft sleeve 250 is connected outside the plug rod 230, a connecting plate 260 is rotatably connected outside the shaft sleeve 250, a hydraulic push rod 270 is arranged at the top end of the tank body 100, the output end of the hydraulic push rod 270 is inserted into the tank body 100 and is connected with the connecting plate 260, and the shaft sleeve 250 and the plug rod 230 can be driven to be lifted when the hydraulic push rod 270 is started, and the plug rod 230 are lifted are both in the process, that the output shaft 220, the plug rod 230 and the turntable 240 can be synchronously rotated, namely, the plug rod 240 and the plug rod 240 can be connected with the turntable 240 and the rotary sleeve 240 can be kept in rotation.
Fig. 5 shows a schematic structural view of the stirring section 300; fig. 6 shows a combination diagram of the driving part 200 and the stirring part 300; in fig. 5 and 6, the stirring part 300 comprises a stirring shaft 310 rotatably connected in the tank body 100, a second socket 312 corresponding to the inserted link 230 is formed at the top of the stirring shaft 310, a plurality of groups of stirring blades 320 are uniformly arranged on the outer periphery of the stirring shaft 310 around the circumferential direction, the top of the stirring blades 320 is connected with a sliding bar 322, and an arc-shaped slideway 242 corresponding to the sliding bar 322 is formed on the turntable 240; the correspondence here means that the number corresponds to one, the positions correspond to one, the stirring shaft 310 is directly rotatably connected to the bottom wall of the can body 100, when the turntable 240 rotates, that is, when the turntable 240 and the stirring shaft 310 rotate relatively, the slide bar 322 and the stirring blade 320 can be driven to extend outwards and contact against the inner side wall of the can body 100, in this way, in the extended state, the stirring blade 320 can scrape aluminum ash on the inner side wall of the can body 100 when rotating again, the stirring blade 320 is twisted from bottom to top in the rotation direction of the stirring shaft 310, that is, the stirring blade 320 is not in a straight line shape in fig. 6, but in a twisted shape from bottom to top, wherein the rotation direction of the stirring shaft 310 means that, for example, when the stirring shaft 310 rotates clockwise, the stirring blade 320 is twisted clockwise from bottom to top, in this way, the stirring blade 320 slides down from top to bottom in the rotation process, the aluminum ash on the wall of the can be scraped to bottom in order to collect, the stirring blade 320 is twisted from outside to inside, in this way, the stirring blade 320 extends from bottom to outside to bottom to outside in the rotation direction of the stirring shaft 310, that is the stirring shaft extends from bottom to outside to the outside in the rotation direction of the stirring shaft 310, and thus rotates from the stirring shaft to the inside to the stirring shaft is the outside to the outside direction of the stirring shaft is decreased, the stirring vane 320 can guide the aluminum ash to the outermost side of the stirring vane 320 when rotating; the stirring blade 320 has a concave angle, and in the extended state, the discharge port 140 corresponds to the concave angle; since the bottom of the stirring blade 320 is a twisted valley on the vertical surface and the outer side of the stirring blade 320 is a twisted valley on the horizontal surface when the rotation direction of the stirring shaft 310 is taken as a reference, a concave angle is formed at two valleys, aluminum ash can be collected into the concave angle along with the rotation of the stirring blade 320, and the discharge port 140 is just on the same radial length as the concave angle, and the aluminum ash collected in the concave angle can be discharged from the discharge port 140; the hydraulic push rod 270 drives the insert rod 230 to lift and change between a first state and a second state, wherein the insert rod 230 is inserted into the second jack 312 through the jack 241 to force the turntable 240 and the stirring shaft 310 to rotate synchronously, the insert rod 230 is inserted into the jack 241 to allow the turntable 240 and the stirring shaft 310 to rotate relatively, the turntable 240 and the stirring shaft 310 are connected in a rotating way to prevent separation in the axial direction due to the fact that the insert rod 230 is inserted into the second jack 312 through the jack 241 and cannot generate relative movement after the insert rod 230 is inserted into the second jack 312, the output shaft 220 can drive the turntable 240 to rotate only, the turntable 240 and the stirring shaft 310 are connected in a rotating way to allow the turntable 322 and the stirring shaft 320 to extend outwards to be scraped, the turntable 240 and the stirring shaft 310 are connected in a rotating way to prevent separation in the axial direction and do not limit relative rotation, the stirring blade 321 is provided with a guide groove 321, the stirring shaft 310 is radially extended with a guide bar 311, the guide bar 311 is inserted into the guide groove 321, and the extended track of the stirring blade 320 is restricted by the cooperation of the guide bar 311 and the guide groove 321 while preventing the stirring blade 320 and the stirring shaft 310 from being disassembled.
The method of the treatment device of the secondary aluminum ash comprises the following specific steps:
s1, preparing materials;
Pouring aluminum ash, water and a detergent into the can body 100;
S2, stirring;
Starting an output motor 210, and driving an output shaft 220, a plunger 230, a turntable 240, a stirring shaft 310 and stirring blades 320 to rotate so as to stir aluminum ash;
s3, scraping;
Starting the hydraulic push rod 270, driving the connecting plate 260, the shaft sleeve 250 and the inserting rod 230 to move upwards, so that the inserting rod 230 is separated from the second inserting opening 312, at the moment, the turntable 240 is driven by the output motor 210 to rotate relative to the stirring shaft 310, and the position of the slide rod 322 is limited by the arc slide 242 to force the stirring blade 320 to move outwards to realize extension;
The hydraulic push rod 270 is started again, the connecting plate 260, the shaft sleeve 250 and the inserting rod 230 are driven to move downwards, the inserting rod 230 is inserted into the second inserting opening 312 again, the turntable 240 and the stirring shaft 310 rotate synchronously, and aluminum ash on the inner side wall of the tank body 100 is scraped into a concave angle by rotation of the stirring blades 320 and discharged from the discharge port 140.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.