Harmless treatment process for secondary aluminum ash

Abstract

The invention discloses a secondary aluminum ash harmless treatment process, and belongs to the technical field of aluminum ash harmless treatment. According to the harmless treatment process for the secondary aluminum ash, the harmless treatment work of the secondary aluminum ash is completed through a reactor, a positioning assembly, a dust falling assembly, a cleaning assembly, a motor, a feeding hopper, a steel structure platform, a ton bag, a discharging opening, a dilute acid medicine storage tank, an acid pickling tower, a water washing tower, a chimney, a stirrer, a spraying mechanism and a crushing mechanism. The electric push rod is started to push the folding plate to move towards the ton bag, then the two ends of the ton bag are stuffed into the folding plate, the first screw rod is screwed through the first rotary knob, the first screw rod rotates to push the abutting plate to move, the abutting plate moves to be matched with the folding plate to clamp and fix the ton bag, and the positioning assembly is arranged to position and fix the ton bag. The problem that when the ton bag is placed at an inaccurate position or folded, residual catalyst liquid and sediment discharged by the reactor cannot accurately fall into the ton bag is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of harmless disposal of aluminum ash, and in particular relates to a secondary harmless disposal process of aluminum ash. Background Art

[0002] The main components of aluminum ash are aluminum oxide, metal aluminum and other impurities. Aluminum ash is the waste material of the melting and casting workshop of the electrolytic aluminum plant. It is also the waste material produced in the melting process of aluminum by recycled aluminum manufacturers, aluminum profile factories, aluminum plate factories, aluminum product factories, alloy aluminum factories, aluminum parts factories, etc., which use metal aluminum as raw material and need to be melted for reprocessing.

[0003] The existing technology has the following problems:

[0004] 1. The existing aluminum ash harmless disposal process does not have the function of positioning and fixing the ton bag. When the ton bag is placed inaccurately or folded, the residual catalyst liquid and sediment discharged from the reactor cannot fall accurately into the ton bag;

[0005] 2. The existing aluminum ash harmless disposal process does not have the dust reduction function. The crushing mechanism in the feed hopper will generate dust when crushing the lumps in the aluminum ash, which will cause great air pollution;

[0006] 3. The existing aluminum ash harmless disposal process is not convenient for cleaning the inner wall of the reactor. The inner wall of the reactor is easily adhered to aluminum ash or sediment and is difficult to clean. Summary of the invention

[0007] In order to solve the problems raised in the above-mentioned background technology, the present invention provides a secondary aluminum ash harmless disposal process, which has a positioning and fixing function and can position and fix ton bags.

[0008] To achieve the above object, the present invention provides the following technical solution: a secondary aluminum ash harmless disposal process, the specific disposal process is as follows:

[0009] S1. Loading: Add aluminum ash into the feed hopper;

[0010] S2. Crushing treatment: The crushing mechanism in the feed hopper crushes the agglomerated aluminum ash, and the dust reduction component can reduce the dust generated;

[0011] S3. Water reaction: Aluminum ash enters the reactor and reacts with water in the reactor to generate hydroxide precipitate and ammonia. During the reaction, the spray mechanism adds carbonate to the reactor as a catalyst to accelerate the reaction;

[0012] S4. Pickling: Ammonia reacts with dilute sulfuric acid in the pickling tower to generate ammonium bisulfate, which then reacts with dilute sulfuric acid again to generate ammonium sulfate precipitation;

[0013] S5. Water washing: After the ammonia is cleaned by the acid washing tower, the water vapor and water mist are cleaned again by the water washing tower to prevent residual ammonia from mixing in;

[0014] S6. Discharge: The treated harmful gases are discharged through the chimney;

[0015] In the above steps S1-S6, the secondary aluminum ash is harmlessly disposed of by using specially designed equipment, which includes a reactor, a positioning component, a dust reduction component, a cleaning component, a motor, a feed hopper, a steel structure platform, a ton bag, a discharge port, a dilute acid storage tank, a pickling tower, a water washing tower, a chimney, a stirrer, a spray mechanism and a crushing mechanism. The lower sides of both ends of the reactor are provided with a steel structure platform, the upper end of the reactor is provided with a spray mechanism, the lower end of the reactor is provided with a discharge port, and the lower end of the discharge port is provided with a spray mechanism. A ton bag is arranged on one side, a motor is arranged on the upper end of the reactor, an agitator is arranged on the output end of the motor, a cleaning assembly is arranged on one side inside the reactor, a feed hopper is arranged on one side of the upper end of the reactor, a crushing mechanism is arranged inside the feed hopper, a dust reduction assembly is arranged on the upper side of one end of the reactor corresponding to the feed hopper, a pickling tower is arranged on one side of the reactor, a water washing tower is arranged on the other side of the pickling tower, a chimney is arranged on the other side of the water washing tower, a dilute acid storage tank is arranged at one end of the pickling tower, and a positioning assembly is arranged at the position corresponding to the ton bag at one end of the steel structure platform.

[0016] Furthermore, the positioning assembly includes an electric push rod, a movable plate, a folding plate, a screw rod 1, a knob 1 and a support plate, wherein an electric push rod is arranged at a position corresponding to the ton bag at one end of the steel structure platform, a movable plate is arranged at the output end of the electric push rod, a folding plate is arranged at the lower end of the movable plate, a screw rod 1 is arranged at one end of the folding plate, a knob 1 is arranged at one end of the screw rod 1, and a support plate is arranged at the other end of the screw rod 1.

[0017] Furthermore, the positioning assembly also includes a rubber pad and an adjustment assembly, wherein the rubber pad is bonded to one end of the abutment plate and one end inside the folding plate by glue, and an adjustment assembly is arranged between the electric push rod and the steel structure platform.

[0018] Furthermore, the adjustment component includes a sleeve, a slider, a side plate, a screw rod 2 and a knob 2, wherein a sleeve is provided at one end of the electric push rod, a slider is provided at the other end of the sleeve, two side plates are provided at a position corresponding to the slider at one end of the steel structure platform, a screw rod 2 is provided between the two side plates, and a knob 2 is provided at the upper end of the screw rod 2.

[0019] Furthermore, the upper end of the abutment plate is tightly attached to the upper end of the inner part of the folding plate, a bearing rotating seat is arranged between the screw rod 1 and the abutment plate and between the screw rod 2 and the side plate, and a sliding hole corresponding to the steel structure platform is arranged in the sliding sleeve.

[0020] Furthermore, the dust reduction component includes a support plate, a dust reduction box, a fixed pipe, a dust inlet hopper, a connecting pipe, an air suction fan, a sand and gravel layer, an activated carbon layer and a connecting component, wherein a support plate is arranged at a position corresponding to the feed hopper on the upper side of one end of the reactor, a dust reduction box is arranged on the upper end of the support plate, a fixed pipe is arranged on the upper side of the dust reduction box, a dust inlet hopper is arranged at one end of the fixed pipe near the feed hopper, the fixed pipe and the dust reduction box are connected by a connecting pipe, a air suction fan is arranged on the lower side of one end of the dust reduction box, a sand and gravel layer is arranged on the upper side of the inside of the dust reduction box, an activated carbon layer is arranged on the lower side of the sand and gravel layer, and a connecting component is arranged at the front end of the dust reduction box.

[0021] Furthermore, the connecting assembly includes a mounting plate, a mounting port, a strip groove, fixing bolts and fixing holes, wherein a mounting port is provided at a position at the front end of the dust reduction box corresponding to the sand and gravel layer and the activated carbon layer, a mounting plate is provided in the mounting port, the mounting plate and the dust reduction box are connected by fixing bolts, a fixing hole corresponding to the fixing bolt is provided at the front end of the dust reduction box, and strip grooves corresponding to the sand and gravel layer and the activated carbon layer are provided at both ends inside the dust reduction box.

[0022] Furthermore, a handle is provided at the front end of the mounting plate, and through holes corresponding to the fixing bolts are provided on both sides of the mounting plate. After the mounting plate enters the mounting opening, the side edges of the mounting plate are tightly attached to the inner wall of the mounting opening.

[0023] Furthermore, the cleaning assembly includes a vertical scraper, an inclined scraper, a cross bar, an inclined rod and a reinforcing assembly, wherein a vertical scraper is arranged on one side of the reactor, a cross bar is arranged between the vertical scraper and the agitator, an inclined scraper is arranged at the lower end of the vertical scraper, an inclined rod is arranged between the inclined scraper and the agitator, and a reinforcing assembly is arranged between the cross bar and the inclined rod.

[0024] Furthermore, the reinforcing assembly includes connecting rod 1, connecting rod 2, horizontal arc rod and oblique arc rod, wherein connecting rod 1 is arranged between adjacent cross rods, connecting rod 2 is arranged between the oblique rod and the cross rod, and horizontal arc rod and oblique arc rod are arranged between the cross rod and the oblique rod and the agitator respectively.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The present invention provides a harmless disposal process for secondary aluminum ash. By setting a positioning component, after placing a ton bag at the lower side of a discharge port, the electric push rod is turned on to push the folding plate toward the ton bag, and then both ends of the ton bag are inserted into the folding plate, and then the screw rod is turned by a knob, and the screw rod rotates to push the abutment plate to move. The movement of the abutment plate cooperates with the folding plate to clamp and fix the ton bag. The ton bag can be positioned and fixed by setting a positioning component, so that when the ton bag is not placed accurately or the ton bag is folded, the residual catalyst liquid and sediment discharged from the reactor cannot fall into the ton bag accurately.

[0027] 2. The present invention provides a secondary aluminum ash harmless disposal process. By setting a dust reduction component, dust is generated when the aluminum ash is crushed, and the suction fan is turned on. The suction fan generates negative pressure at the dust inlet hopper through the dust reduction box, the connecting pipe and the fixed pipe. The dust enters the dust reduction box through the dust inlet hopper, the fixed pipe and the connecting pipe. The sand and gravel layer and the activated carbon layer in the dust reduction box can filter the dust-laden air. By setting the dust reduction component, the dust generated by the crushing of the aluminum ash can be reduced, thereby reducing the pollution of dust to the air.

[0028] 3. The present invention provides a harmless disposal process for secondary aluminum ash. By setting a cleaning component, when the agitator is stirring, the agitator drives the vertical scraper and the oblique scraper to rotate through the horizontal rod and the oblique rod. The vertical scraper and the oblique scraper can clean the inner wall of the reactor. By setting the cleaning component, the inner wall of the reactor can be cleaned to avoid aluminum ash or sediment adhering to the inner wall of the reactor and being difficult to clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a work flow chart of the present invention;

[0030] Figure 2 It is a stereogram of the present invention;

[0031] Figure 3 It is a cutaway perspective view of the reactor of the present invention;

[0032] Figure 4 A three-dimensional diagram of the positioning assembly of the present invention;

[0033] Figure 5 This is a cutaway perspective view of the dust suppression box of the present invention;

[0034] Figure 6 A three-dimensional diagram of the mounting plate of the present invention when installed;

[0035] Figure 7 A three-dimensional diagram of the cleaning assembly of the present invention;

[0036] In the figure: 1, reactor; 2, positioning assembly; 21, electric push rod; 22, moving plate; 23, folding plate; 24, screw rod 1; 25, knob 1; 26, stop plate; 27, rubber pad; 28, adjustment assembly; 281, sliding sleeve; 282, slider; 283, side plate; 284, screw rod 2; 285, knob 2; 3, dust reduction assembly; 31, support plate; 32, dust reduction box; 33, fixed pipe; 34, dust inlet hopper; 35, connecting pipe; 36, suction fan; 37, sand and gravel layer; 38, activated carbon layer; 39, connecting assembly; 391, mounting plate; 3 92. Installation port; 393. Strip groove; 394. Fixing bolt; 395. Fixing hole; 4. Cleaning assembly; 41. Vertical scraper; 42. Oblique scraper; 43. Cross bar; 44. Oblique bar; 45. Reinforcement assembly; 451. Connecting rod one; 452. Connecting rod two; 453. Horizontal arc rod; 454. Oblique arc rod; 5. Motor; 6. Feed hopper; 7. Steel structure platform; 8. Ton bag; 9. Discharge port; 10. Dilute acid storage tank; 11. Pickling tower; 12. Water washing tower; 13. Chimney; 14. Agitator; 15. Spraying mechanism; 16. Crushing mechanism. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] Example 1

[0039] See also Figure 1-7 The present invention provides the following technical solution: a secondary aluminum ash harmless disposal process, the specific disposal process is as follows:

[0040] S1. Loading: Add aluminum ash into the feed hopper 6;

[0041] S2. Crushing process: The crushing mechanism 16 in the feed hopper 6 crushes the agglomerated aluminum ash, and the dust reduction component 3 can perform dust reduction process on the generated dust;

[0042] S3 water reaction: aluminum ash enters the reactor 1 and reacts with water in the reactor 1 to generate hydroxide precipitate and ammonia. During the reaction, the spray mechanism 15 adds carbonate to the reactor 1 as a catalyst to accelerate the reaction;

[0043] S4. Pickling: Ammonia reacts with dilute sulfuric acid in the pickling tower 11 to generate ammonium bisulfate, which then reacts with dilute sulfuric acid to generate ammonium sulfate precipitate;

[0044] S5. Water washing: After the ammonia is cleaned by the acid washing tower 11, the water vapor and water mist are cleaned again by the water washing tower 12 to prevent residual ammonia from being mixed therein;

[0045] S6. Discharge: The treated harmful gases are discharged through the chimney 13;

[0046] In the above steps S1-S6, the secondary aluminum ash is harmlessly disposed of by using a specially designed device, which includes a reactor 1, a positioning component 2, a dust reduction component 3, a cleaning component 4, a motor 5, a feed hopper 6, a steel structure platform 7, a ton bag 8, a discharge port 9, a dilute acid storage tank 10, a pickling tower 11, a water washing tower 12, a chimney 13, an agitator 14, a spray mechanism 15 and a crushing mechanism 16. The steel structure platform 7 is provided at the lower side of both ends of the reactor 1, the spray mechanism 15 is provided at the upper end of the reactor 1, the discharge port 9 is provided at the lower end of the reactor 1, and the discharge port 9 is provided at the lower side. There are ton bags 8, a motor 5 is arranged on the upper end of the reactor 1, an agitator 14 is arranged on the output end of the motor 5, a cleaning component 4 is arranged on one side of the inside of the reactor 1, a feed hopper 6 is arranged on one side of the upper end of the reactor 1, a crushing mechanism 16 is arranged inside the feed hopper 6, a dust reduction component 3 is arranged on the upper side of one end of the reactor 1 corresponding to the feed hopper 6, a pickling tower 11 is arranged on one side of the reactor 1, a water washing tower 12 is arranged on the other side of the pickling tower 11, a chimney 13 is arranged on the other side of the water washing tower 12, a dilute acid storage tank 10 is arranged at one end of the pickling tower 11, and a positioning component 2 is arranged at the position corresponding to the ton bag 8 at one end of the steel structure platform 7.

[0047] Further in the present invention, the positioning assembly 2 includes an electric push rod 21, a movable plate 22, a folding plate 23, a screw rod 24, a knob 25 and a stop plate 26, wherein an electric push rod 21 is arranged at a position corresponding to the ton bag 8 at one end of the steel structure platform 7, a movable plate 22 is arranged at the output end of the electric push rod 21, a folding plate 23 is arranged at the lower end of the movable plate 22, a screw rod 24 is arranged at one end of the folding plate 23, a knob 25 is arranged at one end of the screw rod 24, and a stop plate 26 is arranged at the other end of the screw rod 24.

[0048] By adopting the above technical solution, after the ton bag 8 is placed on the lower side of the discharge port 9, the electric push rod 21 is turned on to push the folding plate 23 to move toward the ton bag 8, and then the two ends of the ton bag 8 are inserted into the folding plate 23, and then the screw rod 24 is turned by the knob 25, and the screw rod 24 rotates to push the abutment plate 26 to move. The abutment plate 26 moves and cooperates with the folding plate 23 to clamp and fix the ton bag 8. The ton bag 8 can be positioned and fixed by setting the positioning component 2, so as to avoid the residual catalyst liquid and sediment discharged from the reactor 1 from falling accurately into the ton bag 8 when the ton bag 8 is not placed in the correct position or the ton bag 8 is folded.

[0049] Furthermore, in the present invention, the positioning assembly 2 also includes a rubber pad 27 and an adjustment assembly 28, wherein the rubber pad 27 is glued to one end of the abutment plate 26 and one end inside the folding plate 23, and the adjustment assembly 28 is arranged between the electric push rod 21 and the steel structure platform 7.

[0050] By adopting the above technical solution, a rubber pad 27 is provided at one end of the abutment plate 26 and one end inside the folding plate 23 to play an anti-slip role, thereby preventing the ton bag 8 from sliding off between the abutment plate 26 and the folding plate 23 .

[0051] Further in the present invention, the adjustment component 28 includes a sleeve 281, a slider 282, a side plate 283, a screw rod 284 and a knob 285, wherein a sleeve 281 is provided at one end of the electric push rod 21, a slider 282 is provided at the other end of the sleeve 281, two side plates 283 are provided at a position corresponding to the slider 282 at one end of the steel structure platform 7, a screw rod 284 is provided between the two side plates 283, and a knob 285 is provided at the upper end of the screw rod 284.

[0052] By adopting the above technical solution, the screw rod 284 is rotated on the side plate 283 by rotating the knob 285, and the screw rod 284 rotates to drive the slider 282 to rise and fall. The lifting of the slider 282 drives the electric push rod 21 at one end of the sliding sleeve 281 to rise and fall. The lifting of the electric push rod 21 can drive the folding plate 23 at the lower end of the movable plate 22 to rise and fall. By setting the adjustment component 28, the folding plate 23 can be lifted and lowered, so that the folding plate 23 and the abutment plate 26 can be used to position and fix the ton bags 8 at different heights.

[0053] Furthermore, in the present invention, the upper end of the abutment plate 26 is in close contact with the inner upper end of the folding plate 23, bearing rotating seats are provided between the screw rod 1 24 and the abutment plate 26 and between the screw rod 284 and the side plate 283, and a sliding hole corresponding to the steel structure platform 7 is provided in the sliding sleeve 281.

[0054] By adopting the above technical solution, the screw rod 24 rotates to push the abutment plate 26 to move in the folding plate 23, and the sliding sleeve 281 can slide on the steel structure platform 7.

[0055] When the present embodiment is used, the device is installed at a suitable position for harmless disposal of aluminum ash, and the aluminum ash is poured into the lower middle of the feed hopper 6. The crushing mechanism 16 crushes the large pieces of aluminum ash. The crushed aluminum ash enters the reactor 1 and reacts with the water in the reactor 1 to generate hydroxide precipitate and ammonia. At the same time, the motor 5 can drive the stirrer 14 to stir. During the reaction, the spraying mechanism 15 adds carbonate as a catalyst to the reactor 1 to accelerate the reaction. The ammonia is discharged into the pickling tower 11. The ammonia reacts with dilute sulfuric acid in the pickling tower 11 to generate ammonium bisulfate and then reacts with dilute sulfuric acid again to generate ammonium sulfate precipitate. After the ammonia is cleaned by the pickling tower 11, the water vapor and water mist are cleaned again by the water washing tower 12 to prevent residual ammonia from being mixed therein. Finally, the water vapor and water mist are discharged through the chimney 13. After the ton bag 8 is placed on the lower side of the discharge port 9, the electric push rod 21 is turned on to push the folding plate 23 to move toward the ton bag 8. , then insert the two ends of the ton bag 8 into the folding plate 23, and then turn the screw rod 24 through the knob 1 25, the screw rod 1 24 rotates to push the abutment plate 26 to move, and the abutment plate 26 moves and cooperates with the folding plate 23 to clamp and fix the ton bag 8. The ton bag 8 can be positioned and fixed by setting the positioning component 2 to avoid that when the ton bag 8 is placed in an inaccurate position or the ton bag 8 is folded, the residual catalyst liquid and sediment discharged from the reactor 1 cannot accurately fall into the ton bag 8. By setting the adjustment component 28, the screw rod 284 is rotated on the side plate 283 through the knob 285, and the screw rod 284 rotates to drive the slider 282 to rise and fall. The lifting of the slider 282 drives the electric push rod 21 at one end of the sliding sleeve 281 to rise and fall. The lifting of the electric push rod 21 can drive the folding plate 23 at the lower end of the moving plate 22 to rise and fall. The folding plate 23 can be lifted and adjusted by setting the adjustment component 28, which is convenient for the folding plate 23 and the abutment plate 26 to position and fix ton bags 8 of different heights;

[0056] Example 2

[0057] The difference between this embodiment and embodiment 1 is that the dust reduction component 3 includes a support plate 31, a dust reduction box 32, a fixed pipe 33, a dust inlet hopper 34, a connecting pipe 35, a suction fan 36, a sand and gravel layer 37, an activated carbon layer 38 and a connecting component 39, wherein a support plate 31 is provided at a position corresponding to the feed hopper 6 on the upper side of one end of the reactor 1, a dust reduction box 32 is provided on the upper end of the support plate 31, a fixed pipe 33 is provided on the upper side of the dust reduction box 32, a dust inlet hopper 34 is provided at one end of the fixed pipe 33 close to the feed hopper 6, the fixed pipe 33 and the dust reduction box 32 are connected by a connecting pipe 35, a suction fan 36 is provided on the lower side of one end of the dust reduction box 32, a sand and gravel layer 37 is provided on the upper side of the dust reduction box 32, an activated carbon layer 38 is provided on the lower side of the sand and gravel layer 37, and a connecting component 39 is provided at the front end of the dust reduction box 32.

[0058] By adopting the above technical solution, dust is generated when the aluminum ash is crushed, and the suction fan 36 is turned on. The suction fan 36 generates negative pressure at the dust inlet hopper 34 through the dust reduction box 32, the connecting pipe 35 and the fixed pipe 33. The dust enters the dust reduction box 32 through the dust inlet hopper 34, the fixed pipe 33 and the connecting pipe 35. The sand and gravel layer 37 and the activated carbon layer 38 in the dust reduction box 32 can filter the dust-laden air. By setting the dust reduction component 3, the dust generated by the crushing of the aluminum ash can be reduced, thereby reducing the pollution of dust to the air.

[0059] Further in the present invention, the connecting component 39 includes a mounting plate 391, a mounting port 392, a strip groove 393, a fixing bolt 394 and a fixing hole 395, wherein a mounting port 392 is provided at a position at the front end of the dust reduction box 32 corresponding to the sand and gravel layer 37 and the activated carbon layer 38, a mounting plate 391 is provided in the mounting port 392, the mounting plate 391 and the dust reduction box 32 are connected by a fixing bolt 394, a fixing hole 395 corresponding to the fixing bolt 394 is provided at the front end of the dust reduction box 32, and strip grooves 393 corresponding to the sand and gravel layer 37 and the activated carbon layer 38 are provided at both ends inside the dust reduction box 32.

[0060] By adopting the above technical solution, when the sand and gravel layer 37 and the activated carbon layer 38 are installed, the sand and gravel layer 37 and the activated carbon layer 38 are inserted into the dust reduction box 32 through the installation port 392, and the sand and gravel layer 37 and the activated carbon layer 38 enter the strip groove 393 of the dust reduction box 32, and then the mounting plate 391 is inserted into the installation port 392, and then the fixing bolts 394 are screwed into the fixing holes 395 to fix the mounting plate 391. By setting the connecting assembly 39, it is convenient to disassemble, assemble and replace the sand and gravel layer 37 and the activated carbon layer 38.

[0061] Further in the present invention, a handle is provided at the front end of the mounting plate 391, and through holes corresponding to the fixing bolts 394 are provided on both sides of the mounting plate 391. After the mounting plate 391 enters the mounting opening 392, the side of the mounting plate 391 is tightly attached to the inner wall of the mounting opening 392.

[0062] By adopting the above technical solution, a handle is provided to facilitate taking the mounting plate 391 , and the fixing bolts 394 can pass through the mounting plate 391 and be screwed into the fixing holes 395 to fix the mounting plate 391 .

[0063] When the present embodiment is used, dust is generated when the aluminum ash is crushed, and the suction fan 36 is turned on. The suction fan 36 generates negative pressure at the dust inlet hopper 34 through the dust reduction box 32, the connecting pipe 35 and the fixed pipe 33. The dust enters the dust reduction box 32 through the dust inlet hopper 34, the fixed pipe 33 and the connecting pipe 35. The sand and gravel layer 37 and the activated carbon layer 38 in the dust reduction box 32 can filter the dust-carrying air. By setting the dust reduction component 3, the dust generated by the crushing of the aluminum ash can be reduced to reduce the pollution of the dust to the air. When the connection assembly 39 is set, the gravel layer 37 and the activated carbon layer 38 are installed, the gravel layer 37 and the activated carbon layer 38 are inserted into the dust reduction box 32 through the installation opening 392, and the gravel layer 37 and the activated carbon layer 38 enter the strip groove 393 of the dust reduction box 32, and then the installation plate 391 is inserted into the installation opening 392, and then the fixing bolts 394 are screwed into the fixing holes 395 to fix the installation plate 391. By setting the connection assembly 39, it is convenient to disassemble and replace the gravel layer 37 and the activated carbon layer 38;

[0064] Example 3

[0065] The difference between this embodiment and Embodiment 1 and Embodiment 2 is that the cleaning assembly 4 includes a vertical scraper 41, an inclined scraper 42, a cross bar 43, an inclined bar 44 and a reinforcing assembly 45, wherein a vertical scraper 41 is provided on one side of the interior of the reactor 1, a cross bar 43 is provided between the vertical scraper 41 and the agitator 14, an inclined scraper 42 is provided at the lower end of the vertical scraper 41, an inclined bar 44 is provided between the inclined scraper 42 and the agitator 14, and a reinforcing assembly 45 is provided between the cross bar 43 and the inclined bar 44.

[0066] By adopting the above technical solution, when the agitator 14 is performing the stirring operation, the agitator 14 drives the vertical scraper 41 and the oblique scraper 42 to rotate through the cross bar 43 and the oblique bar 44. The vertical scraper 41 and the oblique scraper 42 can clean the inner wall of the reactor 1. By setting the cleaning component 4, the inner wall of the reactor 1 can be cleaned to prevent aluminum ash or sediment from adhering to the inner wall of the reactor 1 and being difficult to clean.

[0067] Further in the present invention, the reinforcing assembly 45 includes a connecting rod 1 451, a connecting rod 2 452, a horizontal arc rod 453 and an oblique arc rod 454, wherein a connecting rod 1 451 is arranged between adjacent cross bars 43, a connecting rod 2 452 is arranged between the oblique rod 44 and the cross bar 43, and a horizontal arc rod 453 and an oblique arc rod 454 are respectively arranged between the cross bar 43 and the oblique rod 44 and the agitator 14.

[0068] By adopting the above technical solution, by setting a connecting rod 1 451 between adjacent cross bars 43 and setting a connecting rod 2 452 between the cross bar 43 and the diagonal bar 44, the cross bar 43 and the diagonal bar 44 are made more stable, and a horizontal arc rod 453 and an oblique arc rod 454 are respectively set between the cross bar 43 and the agitator 14 and between the diagonal bar 44 and the agitator 14 to make the cross bar 43 and the agitator 14 and between the diagonal bar 44 and the agitator 14 more secure.

[0069] When the present embodiment is used, when the agitator 14 performs a stirring operation, the agitator 14 drives the vertical scraper 41 and the oblique scraper 42 to rotate through the cross bar 43 and the oblique bar 44. The vertical scraper 41 and the oblique scraper 42 can clean the inner wall of the reactor 1. By setting the cleaning component 4, the inner wall of the reactor 1 can be cleaned to prevent aluminum ash or sediment from adhering to the inner wall of the reactor 1 and being difficult to clean. By setting the reinforcing component 45, by setting a connecting rod 1 451 between adjacent cross bars 43, and setting a connecting rod 2 452 between the cross bar 43 and the oblique bar 44, the cross bar 43 and the oblique bar 44 are made more stable. Horizontal arc rods 453 and oblique arc rods 454 are respectively set between the cross bar 43 and the agitator 14, and between the oblique bar 44 and the agitator 14, so that the cross bar 43 and the agitator 14, and between the oblique bar 44 and the agitator 14 are more secure.

[0070] The electric push rod 21 in the present invention is an existing disclosed technology, and the selected model is FTG50.

[0071] The suction fan 36 in the present invention is an existing disclosed technology, and the selected model is DJT10-23S.

[0072] The structures and working principles of the reactor 1, the motor 5, the feed hopper 6, the steel structure platform 7, the ton bag 8, the discharge port 9, the dilute acid storage tank 10, the pickling tower 11, the water washing tower 12, the chimney 13, the agitator 14, the spray mechanism 15 and the crushing mechanism 16 in the present invention have been disclosed in a new type of device for harmless disposal of aluminum ash disclosed in Chinese patent application No. 202121979729X. The working principle is that the aluminum ash is poured into the middle and lower part of the feed hopper 6, and the crushing mechanism 16 crushes the large pieces of aluminum ash. The crushed aluminum ash enters the reactor 1 and is mixed with the aluminum ash in the reactor 1. The water reacts to generate hydroxide precipitate and ammonia gas. At the same time, the motor 5 can drive the stirrer 14 to perform stirring. During the reaction, the spray mechanism 15 adds carbonate as a catalyst into the reactor 1 to accelerate the reaction. The ammonia gas is discharged into the pickling tower 11. The ammonia gas reacts with dilute sulfuric acid in the pickling tower 11 to generate ammonium bisulfate and then reacts with dilute sulfuric acid again to generate ammonium sulfate precipitate. After the ammonia gas is cleaned by the pickling tower 11, the water vapor and water mist are cleaned again by the water washing tower 12 to prevent residual ammonia gas from mixing therein. Finally, the water vapor and water mist are discharged through the chimney 13.

[0073] The working principle and use process of the present invention: When the aluminum ash is used for harmless disposal, the device is installed at a suitable position, and the aluminum ash is poured into the lower middle of the feed hopper 6. The crushing mechanism 16 crushes the large pieces of aluminum ash. The crushed aluminum ash enters the reactor 1 and reacts with the water in the reactor 1 to generate hydroxide precipitate and ammonia. At the same time, the motor 5 can drive the stirrer 14 to stir. During the reaction, the spray mechanism 15 adds carbonate as a catalyst to the reactor 1 to accelerate the reaction. The ammonia is discharged into the pickling tower 11. The ammonia reacts with dilute sulfuric acid in the pickling tower 11 to generate ammonium bisulfate and then reacts with dilute sulfuric acid again to generate ammonium sulfate precipitate. After the ammonia is cleaned by the pickling tower 11, the water vapor and water mist are cleaned again by the water washing tower 12. , to prevent residual ammonia from mixing in it, and finally discharge water vapor and water mist through the chimney 13. After placing the ton bag 8 on the lower side of the discharge port 9, turn on the electric push rod 21 to push the folding plate 23 to move toward the ton bag 8, and then insert the two ends of the ton bag 8 into the folding plate 23, and then turn the screw rod 24 through the knob 1 25. The screw rod 1 24 rotates to push the abutment plate 26 to move. The abutment plate 26 moves and cooperates with the folding plate 23 to clamp and fix the ton bag 8. The ton bag 8 can be positioned and fixed by setting the positioning component 2 to avoid that when the ton bag 8 is not placed in the correct position or the ton bag 8 is folded, the residual catalyst liquid and sediment discharged from the reactor 1 cannot fall into the ton bag 8 accurately. By setting the adjustment component 28, the screw rod 2 284 is rotated on the side plate 283 through the knob 285 The screw rod 284 rotates, and the slider 282 is driven to rise and fall. The rise and fall of the slider 282 drives the electric push rod 21 at one end of the sliding sleeve 281 to rise and fall. The rise and fall of the electric push rod 21 can drive the folding plate 23 at the lower end of the movable plate 22 to rise and fall. The folding plate 23 can be raised and lowered by setting the adjustment component 28, so that the folding plate 23 and the abutment plate 26 can be used to position and fix the ton bags 8 at different heights. Dust is generated when the aluminum ash is crushed. The suction fan 36 is turned on. The suction fan 36 generates negative pressure at the dust inlet hopper 34 through the dust reduction box 32, the connecting pipe 35 and the fixed pipe 33. The dust enters the dust reduction box 32 through the dust inlet hopper 34, the fixed pipe 33 and the connecting pipe 35. The sand and gravel layer 37 and the activated carbon layer 38 in the dust reduction box 32 can filter the dust-carrying air. The dust reduction component 3 can reduce the dust generated by the crushing of aluminum ash and reduce the pollution of dust to the air. By setting the connection component 39, when the sand and gravel layer 37 and the activated carbon layer 38 are installed, the sand and gravel layer 37 and the activated carbon layer 38 are inserted into the dust reduction box 32 through the installation port 392, and the sand and gravel layer 37 and the activated carbon layer 38 enter the strip groove 393 of the dust reduction box 32, and then the mounting plate 391 is inserted into the installation port 392, and then the fixing bolt 394 is screwed into the fixing hole 395 to fix the mounting plate 391. By setting the connection component 39, it is convenient to disassemble and replace the sand and gravel layer 37 and the activated carbon layer 38. When the agitator 14 is stirring, the agitator 14 drives the vertical scraper 41 and the inclined scraper 42 to rotate through the cross bar 43 and the inclined bar 44.The vertical scraper 41 and the oblique scraper 42 can clean the inner wall of the reactor 1. The cleaning assembly 4 can be used to clean the inner wall of the reactor 1 to prevent aluminum ash or sediment from adhering to the inner wall of the reactor 1 and making it difficult to clean. The reinforcing assembly 45 is provided, and a connecting rod 1 451 is provided between adjacent cross bars 43, and a connecting rod 2 452 is provided between the cross bar 43 and the oblique rod 44, so that the cross bar 43 and the oblique rod 44 are more stable. A horizontal arc rod 453 and an oblique arc rod 454 are provided between the cross bar 43 and the agitator 14, and between the oblique rod 44 and the agitator 14, respectively, so that the cross bar 43 and the agitator 14, and between the oblique rod 44 and the agitator 14 are more secure.

[0074] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A secondary aluminum ash harmless disposal process, characterized by: The specific treatment process is as follows: S1. Loading: Add aluminum ash into the feed hopper (6); S2. Crushing process: The crushing mechanism (16) in the feed hopper (6) crushes the agglomerated aluminum ash, and the dust reduction component (3) can perform dust reduction process on the generated dust; S3. Water reaction: The aluminum ash enters the reactor (1) and reacts with the water in the reactor (1) to generate hydroxide precipitate and ammonia. During the reaction, the spraying mechanism (15) adds carbonate as a catalyst to the reactor (1) to accelerate the reaction; S4. Pickling: Ammonia reacts with dilute sulfuric acid in the pickling tower (11) to generate ammonium bisulfate, which then reacts with dilute sulfuric acid to generate ammonium sulfate precipitate; S5. Water washing: After the ammonia is cleaned by the acid washing tower (11), the water vapor and water mist are cleaned again by the water washing tower (12) to prevent residual ammonia from being mixed therein; S6. Discharge: The treated harmful gases are discharged through the chimney (13); In the above-mentioned steps S1-S6, the secondary aluminum ash is disposed harmlessly by using a specially designed device, which includes a reactor (1), a positioning component (2), a dust reduction component (3), a cleaning component (4), a motor (5), a feed hopper (6), a steel structure platform (7), a ton bag (8), a discharge port (9), a dilute acid storage tank (10), a pickling tower (11), a water washing tower (12), a chimney (13), an agitator (14), a spray mechanism (15) and a crushing mechanism (16), wherein the steel structure platform (7) is disposed at the lower side of both ends of the reactor (1), the spray mechanism (15) is disposed at the upper end of the reactor (1), the discharge port (9) is disposed at the lower end of the reactor (1), and the lower side of the discharge port (9) is disposed. A ton bag (8), a motor (5) is arranged at the upper end of the reactor (1), a stirrer (14) is arranged at the output end of the motor (5), a cleaning component (4) is arranged at one side of the interior of the reactor (1), a feed hopper (6) is arranged at one side of the upper end of the reactor (1), a crushing mechanism (16) is arranged inside the feed hopper (6), a dust reduction component (3) is arranged at a position corresponding to the feed hopper (6) on the upper side of one end of the reactor (1), a pickling tower (11) is arranged at one side of the reactor (1), a water washing tower (12) is arranged at the other side of the pickling tower (11), a chimney (13) is arranged at the other side of the water washing tower (12), a dilute acid storage tank (10) is arranged at one end of the pickling tower (11), and a positioning component (2) is arranged at a position corresponding to the ton bag (8) at one end of the steel structure platform (7).

2. A secondary aluminum ash harmless disposal process according to claim 1, characterized in that: The positioning assembly (2) comprises an electric push rod (21), a movable plate (22), a folding plate (23), a screw rod (24), a knob (25) and a stop plate (26), wherein an electric push rod (21) is arranged at a position corresponding to the ton bag (8) at one end of the steel structure platform (7), a movable plate (22) is arranged at the output end of the electric push rod (21), a folding plate (23) is arranged at the lower end of the movable plate (22), a screw rod (24) is arranged at one end of the folding plate (23), a knob (25) is arranged at one end of the screw rod (24), and a stop plate (26) is arranged at the other end of the screw rod (24).

3. A secondary aluminum ash harmless disposal process according to claim 2, characterized in that: The positioning assembly (2) further comprises a rubber pad (27) and an adjustment assembly (28), wherein one end of the abutment plate (26) and one end inside the folding plate (23) are both bonded with the rubber pad (27) by glue, and an adjustment assembly (28) is arranged between the electric push rod (21) and the steel structure platform (7).

4. A secondary aluminum ash harmless disposal process according to claim 3, characterized in that: The adjustment component (28) comprises a sliding sleeve (281), a slider (282), a side plate (283), a second screw rod (284) and a second knob (285), wherein a sliding sleeve (281) is arranged at one end of the electric push rod (21), a slider (282) is arranged at the other end of the sliding sleeve (281), two side plates (283) are arranged at a position corresponding to the slider (282) at one end of the steel structure platform (7), a second screw rod (284) is arranged between the two side plates (283), and a second knob (285) is arranged at the upper end of the second screw rod (284).

5. A secondary aluminum ash harmless disposal process according to claim 4, characterized in that: The upper end of the abutment plate (26) is tightly attached to the inner upper end of the folding plate (23), a bearing rotating seat is arranged between the first screw rod (24) and the abutment plate (26) and between the second screw rod (284) and the side plate (283), and a sliding hole corresponding to the steel structure platform (7) is arranged in the sliding sleeve (281).

6. A secondary aluminum ash harmless disposal process according to claim 1, characterized in that: The dust reduction assembly (3) comprises a support plate (31), a dust reduction box (32), a fixed pipe (33), a dust inlet hopper (34), a connecting pipe (35), a suction fan (36), a sand and gravel layer (37), an activated carbon layer (38) and a connecting assembly (39), wherein a support plate (31) is arranged at a position corresponding to the feed hopper (6) on the upper side of one end of the reactor (1), a dust reduction box (32) is arranged on the upper end of the support plate (31), and a dust reduction box (32) is arranged on the upper side of the dust reduction box (32). A fixed pipe (33) is provided, and a dust inlet hopper (34) is arranged at one end of the fixed pipe (33) close to the feed hopper (6). The fixed pipe (33) is connected to the dust reduction box (32) via a connecting pipe (35). A suction fan (36) is arranged at the lower side of one end of the dust reduction box (32). A sand and gravel layer (37) is arranged at the upper side of the dust reduction box (32), and an activated carbon layer (38) is arranged at the lower side of the sand and gravel layer (37). A connecting component (39) is arranged at the front end of the dust reduction box (32).

7. A secondary aluminum ash harmless disposal process according to claim 6, characterized in that: The connection assembly (39) comprises a mounting plate (391), a mounting opening (392), a strip groove (393), a fixing bolt (394) and a fixing hole (395), wherein a mounting opening (392) is provided at a position of the front end of the dust reduction box (32) corresponding to the sand and gravel layer (37) and the activated carbon layer (38), a mounting plate (391) is provided in the mounting opening (392), the mounting plate (391) and the dust reduction box (32) are connected via a fixing bolt (394), a fixing hole (395) corresponding to the fixing bolt (394) is provided at the front end of the dust reduction box (32), and strip grooves (393) corresponding to the sand and gravel layer (37) and the activated carbon layer (38) are provided at both ends of the interior of the dust reduction box (32).

8. A secondary aluminum ash harmless disposal process according to claim 7, characterized in that: The front end of the mounting plate (391) is provided with a handle, and both sides of the mounting plate (391) are provided with through holes corresponding to the fixing bolts (394). After the mounting plate (391) enters the mounting opening (392), the side of the mounting plate (391) is tightly attached to the inner wall of the mounting opening (392).

9. The harmless treatment process for secondary aluminum ash according to claim 1 is characterized by: The cleaning assembly (4) comprises a vertical scraper (41), an inclined scraper (42), a cross bar (43), an inclined rod (44) and a reinforcing assembly (45), wherein a vertical scraper (41) is arranged on one side inside the reactor (1), a cross bar (43) is arranged between the vertical scraper (41) and the agitator (14), an inclined scraper (42) is arranged at the lower end of the vertical scraper (41), an inclined rod (44) is arranged between the inclined scraper (42) and the agitator (14), and a reinforcing assembly (45) is arranged between the cross bar (43) and the inclined rod (44).

10. A secondary aluminum ash harmless disposal process according to claim 9, characterized in that: The reinforcing assembly (45) comprises a connecting rod 1 (451), a connecting rod 2 (452), a horizontal arc rod (453) and an oblique arc rod (454), wherein a connecting rod 1 (451) is arranged between adjacent cross bars (43), a connecting rod 2 (452) is arranged between the oblique rod (44) and the cross bar (43), and a horizontal arc rod (453) and an oblique arc rod (454) are respectively arranged between the cross bar (43) and the oblique rod (44) and the agitator (14).

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