CN114516650B - Crystallization system and crystallization method for generating sodium fluoroaluminate crystals from acid etched aluminum slag - Google Patents
Crystallization system and crystallization method for generating sodium fluoroaluminate crystals from acid etched aluminum slag Download PDFInfo
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- CN114516650B CN114516650B CN202111308667.4A CN202111308667A CN114516650B CN 114516650 B CN114516650 B CN 114516650B CN 202111308667 A CN202111308667 A CN 202111308667A CN 114516650 B CN114516650 B CN 114516650B
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 54
- 230000008025 crystallization Effects 0.000 title claims abstract description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 45
- 239000002893 slag Substances 0.000 title claims abstract description 38
- 239000002253 acid Substances 0.000 title claims abstract description 36
- 239000013078 crystal Substances 0.000 title claims abstract description 25
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 19
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 19
- 239000011734 sodium Substances 0.000 title claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 58
- 238000006243 chemical reaction Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims description 66
- 239000000463 material Substances 0.000 claims description 14
- 238000005530 etching Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 8
- 230000004927 fusion Effects 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009283 thermal hydrolysis Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/50—Fluorides
- C01F7/54—Double compounds containing both aluminium and alkali metals or alkaline-earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
- B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- ing And Chemical Polishing (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a crystallization system and a crystallization method for generating sodium fluoroaluminate crystals from acid etched aluminum slag. The beneficial effects are that: according to the invention, through the design of the water injection pump and the atomizing nozzle, the crystallization system can atomize water liquid and then fuse with acid etched aluminum slag powder to form slurry, so that the fusion of the acid etched aluminum slag and the water liquid is more sufficient, the reaction effect of the subsequent process is improved, through the design of the stirring motor and the stirring rod, the crystallization system adopts a stirring reaction mode, the heating of the slurry is more uniform, the crystallization effect of the subsequent finished product of the crystallization system is improved, and through the design of the separation box, the separation barrel and the heater II, the crystallization system adopts a separation and drying integrated operation mode, and the process steps of the crystallization system can be reduced, so that the use convenience of the crystallization system is improved.
Description
Technical Field
The invention relates to the technical field of crystallization systems, in particular to a crystallization system and a crystallization method for generating sodium fluoroaluminate crystals from acid etched aluminum slag.
Background
Various byproducts are generated in the aluminum smelting and forming process, and aluminum slag is generated in the process of melting all aluminum as a main byproduct in the aluminum industry, wherein the aluminum content accounts for about 1-12% of the total loss amount in the aluminum production and use process. In the past, people regard aluminum slag as waste slag and discard the slag, which not only causes aluminum resource waste but also brings environmental problems. Therefore, a crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum slag is needed to improve the economic benefit of the aluminum industry, the effective recycling of resources is realized, meanwhile, the sustainable development of economy and society is also greatly influenced, the existing crystallization system usually adopts a grinding method to grind the acid etched aluminum slag into 100-180 meshes, slurry with the solid-to-liquid ratio of 1:1-3 is prepared, the slurry is then placed into a reaction kettle to be heated to 95-110 ℃, the temperature is kept for 1-3 hours for hydrolysis reaction, anhydrous sodium sulfate is then added for reaction, the reacted product is high molecular ratio sodium fluoroaluminate precipitate and ammonium sulfate solution, a centrifuge is used for solid-liquid separation, the separated material reacts with fluoroaluminate at the temperature of 75-95 ℃, and the finished product sodium fluoroaluminate crystals is obtained after drying treatment.
At present, the existing crystallization system adopts a direct water injection mode to enable acid etched aluminum slag to be ground into slurry in the grinding process, so that fusion of the acid etched aluminum slag and water solution is insufficient, and thus reaction affecting subsequent procedures is not perfect enough, meanwhile, most of the existing crystallization system adopts a standing mode in the process of thermal hydrolysis reaction at a constant temperature, so that heating of the slurry is not uniform enough, and further, the subsequent finished product crystallization effect of the crystallization system is poor, most of the existing crystallization system adopts a centrifugal machine and a dryer to respectively operate in sequence after solid-liquid separation, so that the procedure steps of the crystallization system are more, the use convenience of the crystallization system is lower, and therefore, a novel crystallization system for generating sodium fluoroaluminate crystals from the acid etched aluminum slag is needed to solve the problems.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a crystallization system and a crystallization method for producing sodium fluoroaluminate crystals from acid etched aluminum slag.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a crystal system for generating sodium fluoroaluminate crystal from acid etching aluminium slag, includes grinding case, reaction tank and separator box, install grinding case one side the reaction tank, install reaction tank one side separator box, electric telescopic seat is installed on grinding case inner top, grinding case with electric telescopic seat passes through bolted connection, electric telescopic seat lower extreme installs grinding motor, electric telescopic seat with grinding motor passes through the screw connection, grinding motor's drive output end installs the lapping plate, lapping plate installs the grinding seat in the below, grinding case with the grinding seat passes through the draw-in groove and connects, electric telescopic seat one side is provided with the catch basin, the catch basin shaping in on the grinding case, water injection pump machine is installed to bottom one side in the catch basin, grinding case with water injection pump machine passes through the screw connection, install atomizer on water injection pump machine one side wall, the water injection pump machine with atomizer grafting, agitator motor is installed on the inner top of reaction case, the motor passes through the screw connection with grinding motor, the drive output end is installed through the draw-in the heater block, the heater block has the separator box is connected with both ends, the heater block has the heater block, the heater block has the separator box is installed to the heater block, the heater block has the heater block.
Through adopting above-mentioned technical scheme, the water injection pump machine reaches atomizer's design can make crystal system atomizing earlier with aqueous solution and fuse with acid etching aluminium sediment powder again and form thick liquid, can make the fusion of acid etching aluminium sediment and aqueous solution more abundant to improve the reaction effect of follow-up process, agitator motor reaches the design of puddler can make crystal system adopt stirring reaction mode, can make the thick liquid be heated more even, thereby improve crystal system's follow-up finished product crystallization effect, the separator box the separator bowl reaches heater design two can make crystal system adopt the dry integral type operation mode of separation, can reduce crystal system's process step, thereby improve crystal system's use convenience.
Further, the control cabinet is installed to the grinding case opposite side, the grinding case with the control cabinet passes through bolted connection, be installed operating panel on the control cabinet side wall, the control cabinet with operating panel passes through the draw-in groove and connects.
Through adopting above-mentioned technical scheme, can make the staff more convenient to crystallization system's control.
Furthermore, all peg graft between the grinding case the reaction case the separation case has pipeline, all install the delivery pump machine in the pipeline, pipeline with the delivery pump machine passes through screw connection.
By adopting the technical scheme, the material conveying of the crystallization system can be smoother.
Furthermore, a material injection groove is formed in one side of the upper end of the grinding box, and the length of the material injection groove can be controlled according to actual requirements.
Through adopting above-mentioned technical scheme, can make the staff pour into more convenient and fast to crystal system's material.
Furthermore, the reaction box is connected with the first heater through a clamping groove, and the first heater is concave in the reaction box.
By adopting the technical scheme, the material reaction process can be ensured to be heated uniformly.
Furthermore, a feeding groove is formed in one side of the stirring motor, the feeding groove is formed in the reaction box, and the feeding groove is communicated with the outside in a circular shape and is provided with a special valve.
By adopting the technical scheme, the staff can perform quick material adding work.
Further, a box cover is arranged at the upper end of the separation box, and the separation box is connected with the box cover through a buckle.
By adopting the technical scheme, the sealing effect of the separation box can be ensured.
Further, a lifting handle is arranged at the upper end of the box cover, and the box cover is connected with the lifting handle through screws.
By adopting the technical scheme, the cover can be opened and closed more conveniently by a worker.
Further, a discharge pipe is arranged on one side of the support, and the separation box is spliced with the discharge pipe.
By adopting the technical scheme, the liquid in the separation box can be discharged more smoothly.
The invention has the beneficial effects that:
1. in order to solve the problems that the existing crystallization system adopts a direct water injection mode to grind acid etched aluminum slag to form slurry in the grinding process, so that the fusion of the acid etched aluminum slag and water is insufficient, and the reaction of the subsequent process is influenced to be imperfect, the invention can lead the crystallization system to atomize the water first and then fuse the water with the acid etched aluminum slag powder to form slurry through the design of a water injection pump and an atomizing nozzle, and can lead the fusion of the acid etched aluminum slag and the water to be more sufficient, thereby improving the reaction effect of the subsequent process;
2. in order to solve the problems that the existing crystallization system is mostly in a standing mode in the process of thermal hydrolysis reaction, the slurry is easy to be heated unevenly, so that the subsequent finished product crystallization effect of the crystallization system is poor;
3. in order to solve the problem that the existing crystallization system is low in use convenience due to the fact that a centrifugal machine and a dryer are adopted to operate sequentially after solid-liquid separation, the number of process steps of the crystallization system is large, and the crystallization system can be enabled to adopt a separation and drying integrated operation mode through the design of the separation box, the separation cylinder and the heater II, the process steps of the crystallization system can be reduced, and therefore the use convenience of the crystallization system is improved.
Drawings
FIG. 1 is a schematic diagram of a crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum slag according to the present invention;
FIG. 2 is a cross-sectional view of a crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum slag in accordance with the present invention;
FIG. 3 is an enlarged view at A in FIG. 2 of a crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum slag in accordance with the present invention;
FIG. 4 is a circuit block diagram of a crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum slag in accordance with the present invention.
The reference numerals are explained as follows:
1. a grinding box; 2. a reaction box; 3. a separation box; 4. a control cabinet; 5. an operation panel; 6. a delivery conduit; 7. a transfer pump; 8. a material injection groove; 9. an electric telescopic seat; 10. a grinding motor; 11. a grinding plate; 12. a grinding seat; 13. a water storage tank; 14. a water injection pump; 15. an atomizing nozzle; 16. a stirring motor; 17. a stirring rod; 18. a first heater; 19. a charging groove; 20. a case cover; 21. a lifting handle; 22. a support; 23. separating the motor; 24. a separation cylinder; 25. a second heater; 26. and a discharge pipe.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, the crystallization system for generating sodium fluoroaluminate crystals from acid etched aluminum slag comprises a grinding box 1, a reaction box 2 and a separation box 3, wherein one side of the grinding box 1 is provided with the reaction box 2, one side of the reaction box 2 is provided with the separation box 3, the top end in the grinding box 1 is provided with an electric telescopic seat 9, the grinding box 1 is connected with the electric telescopic seat 9 through bolts, the lower end of the electric telescopic seat 9 is provided with a grinding motor 10, the electric telescopic seat 9 is connected with the grinding motor 10 through bolts, the transmission output end of the grinding motor 10 is provided with a grinding plate 11, the lower part of the grinding plate 11 is provided with a grinding seat 12, the grinding box 1 is connected with the grinding seat 12 through a clamping groove, one side of the electric telescopic seat 9 is provided with a water storage groove 13, the water storage groove 13 is formed on the grinding box 1, the water injection pump 14 is arranged at one side of the inner bottom of the water storage tank 13, the grinding box 1 is connected with the water injection pump 14 through bolts, the atomizing nozzle 15 is arranged on one side wall of the water injection pump 14, the water injection pump 14 is connected with the atomizing nozzle 15 in an inserting way, the stirring motor 16 is arranged at the top end in the reaction box 2, the reaction box 2 is connected with the stirring motor 16 through bolts, the stirring rod 17 is arranged at the transmission output end of the stirring motor 16, the first heaters 18 are arranged on the two side walls in the reaction box 2, the support 22 is formed at the middle part of the inner bottom end of the separation box 3, the separation motor 23 is arranged in the support 22 and connected with the separation motor 23 through a clamping groove, the separation cylinder 24 is arranged at the transmission output end of the separation motor 23, the second heaters 25 are arranged on the side walls at the two ends in the separation box 3, the separation box 3 is connected with the second heater 25 through bolts.
In this embodiment, the switch board 4 is installed to grinding case 1 opposite side, grind case 1 with switch board 4 passes through bolted connection, operating panel 5 is installed on switch board 4 one side wall, switch board 4 with operating panel 5 passes through the draw-in groove to be connected, can make the staff more convenient to crystallization system's control.
In this embodiment, grind case 1 the reaction tank 2 all peg graft between the separator tank 3 and have pipeline 6, all install transfer pump machine 7 in the pipeline 6, pipeline 6 with transfer pump machine 7 passes through screw connection, can make crystallization system's material carry more smooth and easy.
In this embodiment, grinding case 1 upper end one side shaping has the injecting groove 8, the injecting groove 8 can be according to actual demand control length, can make the staff pour into the material of crystal system into more convenient and fast.
In this embodiment, the reaction box 2 is connected to the first heater 18 through a clamping groove, and the first heater 18 should be recessed in the reaction box 2, so as to ensure uniform heating in the material reaction process.
In this embodiment, a feeding groove 19 is provided on one side of the stirring motor 16, the feeding groove 19 is formed on the reaction box 2, and the feeding groove 19 is circular and communicated with the outside and is provided with a special valve, so that a worker can perform quick feeding work.
In this embodiment, the case cover 20 is mounted at the upper end of the separation case 3, and the separation case 3 is connected to the case cover 20 by a snap fit, so that the sealing effect of the separation case 3 can be ensured.
In this embodiment, the lifting handle 21 is installed at the upper end of the case cover 20, and the case cover 20 is connected with the lifting handle 21 through a screw, so that the case cover 20 can be opened and closed more conveniently by a worker.
In this embodiment, the drain pipe 26 is mounted on the support 22 side, and the separation tank 3 is inserted into the drain pipe 26, so that the liquid in the separation tank 3 can be discharged more smoothly.
The crystallization method of the crystallization system for generating sodium fluoroaluminate crystals from acid etched aluminum slag comprises the following steps: when in use, a worker can inject a certain amount of aluminum acid etching slag into the grinding box 1 through the feeding groove 8, the control cabinet 4 is set through the operation panel 5, the grinding motor 10 is controlled by the control cabinet 4 to work, the grinding motor 10 drives the grinding plate 11 to rotate and work, meanwhile, the electric telescopic seat 9 is controlled to extend, the grinding plate 11 can extrude the aluminum acid etching slag onto the grinding seat 12 to grind, when the aluminum acid etching slag is ground into powder after the set time, the control cabinet 4 controls the water injection pump 14 to work, the water injection pump 14 can spray the constant amount water in the water storage groove 13 to aluminum acid etching slag powder after being atomized through the atomizing nozzle 15, so that slurry formed by the aluminum acid etching slag powder is formed, then the conveying pump 7 is controlled to work, the conveying pump 7 can inject the slurry into the reaction tank 2 through the conveying pipeline 6, the first heater 18 is controlled to work, the reaction tank 2 reaches a set temperature and is subjected to heat preservation treatment, the stirring motor 16 is controlled to work, the stirring motor 16 drives the stirring rod 17 to uniformly stir the slurry, the slurry can be heated more uniformly in the hydrolysis process, after the hydrolysis reaction is completed after the set time, the staff can inject anhydrous sodium sulphate into the reaction tank 2 through the feeding tank 19 to participate in the reaction, meanwhile, stirring operation is kept, the conveying pump 7 is controlled to work again to inject the slurry into the separation tank 3 after the reaction is completed, the separation motor 23 is controlled to work, the separation motor 23 drives the separation cylinder 24 to rotate at a high speed, the slurry after the reaction is subjected to solid-liquid separation, the second heater 25 is controlled to work after the separation is finished, the set temperature is kept in the separation box 3, meanwhile, a worker can open the box cover 20 through the lifting handle 21 to add fluoroaluminate to react, the separation motor 23 is controlled to work again after the reaction is finished, the separation barrel 24 can drive materials to move, and meanwhile, the second heater 25 is controlled to perform drying treatment, so that the crystallization operation of the finished sodium fluoroaluminate can be finished.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and their equivalents.
Claims (1)
1. The crystallization system for generating sodium fluoroaluminate crystals from acid etched aluminum slag comprises a grinding box (1), a reaction box (2) and a separation box (3), wherein one side of the grinding box (1) is provided with the reaction box (2), one side of the reaction box (2) is provided with the separation box (3), the top end in the grinding box (1) is provided with an electric telescopic seat (9), the grinding box (1) is connected with the electric telescopic seat (9) through a bolt, the lower end of the electric telescopic seat (9) is provided with a grinding motor (10), the electric telescopic seat (9) is connected with the grinding motor (10) through a screw, the transmission output end of the grinding motor (10) is provided with a grinding plate (11), the lower side of the grinding plate (11) is provided with a grinding seat (12), the grinding box (1) is connected with the grinding seat (12) through a clamping groove, one side of the electric telescopic seat (9) is provided with a water storage groove (13), the water storage groove (13) is formed in the grinding box (1), the inner bottom (13) is provided with a water injection pump (14), one side of the water injection pump (14) is connected with a water injection pump (14), the utility model provides a water injection pump machine (14) with atomizer (15) grafting, agitator motor (16) are installed on top in reaction tank (2), reaction tank (2) with agitator motor (16) are through bolted connection, puddler (17) are installed to the transmission output of agitator motor (16), heater one (18) are all installed on the both sides wall in reaction tank (2), support (22) are formed at bottom middle part in separation tank (3), install separation motor (23) in support (22), support (22) with separation motor (23) are connected through the draw-in groove, separating drum (24) are installed to the transmission output of separation motor (23), heater two (25) are all installed on the both ends lateral wall in separation tank (3), separation tank (3) with heater two (25) are through bolted connection, control cabinet (4) are installed to mill case (1) opposite side, mill case (1) with control cabinet (4) are through control cabinet (4), control cabinet (4) are connected through the draw-in groove, operation panel (5) are connected with one side (4), operation panel (5) is connected with reaction tank (2), one side (5) is installed on the operation panel (5) All peg graft between separator box (3) has pipeline (6), all install delivery pump machine (7) in pipeline (6), pipeline (6) with delivery pump machine (7) pass through screw connection, grind case (1) upper end one side shaping and have injection groove (8), reaction box (2) with heater one (18) pass through the draw-in groove and be connected, heater one (18) should indent in reaction box (2), agitator motor (16) one side is provided with and adds silo (19), add silo (19) shaping in on reaction box (2), add silo (19) are circular intercommunication outside and are equipped with special valve, separator box (3) upper end is installed case lid (20), separator box (3) with case lid (20) are connected through the buckle handle (21) is installed to case lid (20) upper end, case lid (20) with handle (21) are connected through the screw, support one side (22) are installed crystallization (26), separator box (3) are specific with discharge pipe (26), the method of crystallizing is characterized in that: when in use, staff can inject quantitative acid etching aluminum slag into the grinding box (1) through the injection groove (8), and set the control cabinet (4) through the operation panel (5), the grinding motor (10) is controlled by the control cabinet (4) to work, the grinding motor (10) drives the grinding plate (11) to work in a rotating way, meanwhile, the electric telescopic seat (9) is controlled to extend, so that the grinding plate (11) can extrude the acid etching aluminum slag onto the grinding seat (12) to grind, when the acid etching aluminum slag is ground into powder after the setting time, the control cabinet (4) can control the water injection pump (14) to work, the water injection pump (14) can spray quantitative water in the water tank (13) to acid etching aluminum slag powder after being atomized through the atomizing nozzle (15), so that the slurry formed by the acid etching aluminum slag powder is sprayed, then the conveyor (7) is controlled to work, the conveyor (7) can be extruded onto the grinding seat (12) to grind, and the slurry can be stirred into a uniform state by the stirring rod (16) through the stirring rod (16) after the setting time, the temperature of the stirring rod (16) is set up, and the stirring rod (16) can be stirred and stirred in the reaction box (2), the slurry can be heated more uniformly in the hydrolysis process, after the hydrolysis reaction is completed after the set time, workers can inject anhydrous sodium sulfate into the reaction box (2) to participate in the reaction through the material adding groove (19), stirring operation is kept at the same time, the conveying pump (7) is controlled to work again after the reaction is completed to inject the slurry into the separation box (3), the separation motor (23) is controlled to work, the separation motor (23) drives the separation barrel (24) to rotate at a high speed, the slurry after the reaction is subjected to solid-liquid separation, the heater II (25) is controlled to work after the separation is completed, the set temperature is kept in the separation box (3), meanwhile, the workers can open the box cover (20) to add fluoroaluminate to react, the separation motor (23) is controlled to work again after the reaction is completed, the separation barrel (24) can drive the material to move, and the heater II (25) is controlled to dry, so that the crystallization operation of finished sodium fluoroaluminate can be completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111308667.4A CN114516650B (en) | 2021-11-05 | 2021-11-05 | Crystallization system and crystallization method for generating sodium fluoroaluminate crystals from acid etched aluminum slag |
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|---|---|---|---|
| CN202111308667.4A CN114516650B (en) | 2021-11-05 | 2021-11-05 | Crystallization system and crystallization method for generating sodium fluoroaluminate crystals from acid etched aluminum slag |
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| CN114516650A CN114516650A (en) | 2022-05-20 |
| CN114516650B true CN114516650B (en) | 2023-12-01 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1223944A1 (en) * | 1984-10-15 | 1986-04-15 | Предприятие П/Я А-7815 | Method and apparatus for obtaining crystalline product |
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