CN114516650A - Crystallization system and crystallization method for generating sodium fluoroaluminate crystals from acid etching aluminum slag - Google Patents
Crystallization system and crystallization method for generating sodium fluoroaluminate crystals from acid etching aluminum slag Download PDFInfo
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- CN114516650A CN114516650A CN202111308667.4A CN202111308667A CN114516650A CN 114516650 A CN114516650 A CN 114516650A CN 202111308667 A CN202111308667 A CN 202111308667A CN 114516650 A CN114516650 A CN 114516650A
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 66
- 230000008025 crystallization Effects 0.000 title claims abstract description 59
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 55
- 239000002253 acid Substances 0.000 title claims abstract description 30
- 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 29
- 239000013078 crystal Substances 0.000 title claims abstract description 29
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 29
- 239000011734 sodium Substances 0.000 title claims abstract description 29
- 239000002893 slag Substances 0.000 title claims abstract description 27
- 238000005530 etching Methods 0.000 title claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 29
- 239000007924 injection Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims description 79
- 238000000926 separation method Methods 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000006460 hydrolysis reaction Methods 0.000 claims description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 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
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010309 melting process Methods 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
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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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
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- 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 etching aluminum slag. The beneficial effects are that: according to the invention, through the design of the water injection pump machine and the atomizing spray head, the crystallization system can atomize the water liquid and then fuse the water liquid with the acid-etched aluminum slag powder to form slurry, so that the acid-etched aluminum slag and the water liquid can be fused more fully, and the reaction effect of the subsequent process 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 etching aluminum slag.
Background
In the process of smelting and forming aluminum, various byproducts are generated, as a main byproduct in the aluminum industry, aluminum slag is generated in all aluminum melting processes, and the aluminum content accounts for about 1-12% of the total loss amount in the process of producing and using aluminum. In the past, people regarded aluminum slag as waste slag to be dumped, 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, and the crystallization system can not only realize the effective recycling of resources, but also have important influence on the realization of economic and social sustainable development, the existing crystallization system usually adopts a grinding method to grind the acid-etched aluminum slag to 180 meshes with water, and prepares slurry with the solid-liquid ratio of 1: 1-3, then the slurry is placed in a reaction kettle to be heated to 95-110 ℃, the hydrolysis reaction is carried out after the temperature is kept for 1-3 hours, then anhydrous sodium sulphate is added to react with the slurry, the products after the reaction are high molecular ratio sodium fluoroaluminate precipitates and ammonium sulfate solution, a centrifuge is used for solid-liquid separation, the separated materials are reacted with fluoroaluminate at the temperature of 75-95 ℃, and then the finished sodium fluoroaluminate crystals are obtained after drying treatment.
Present crystallization system adopts the mode of direct water injection to make the acid etching aluminium sediment form the thick liquid through grinding in the grinding process, it is not enough to lead to the integration of acid etching aluminium sediment and water liquid easily, thereby influence the reaction of subsequent handling perfect inadequately, current crystallization system adopts the mode of stewing at the heat preservation hydrolysis reaction in-process mostly simultaneously, it is not even enough to make being heated of thick liquid easily, thereby it is relatively poor to make the follow-up finished product crystallization effect of crystallization system, moreover current crystallization system adopts centrifuge and desiccator to operate respectively in proper order mostly after solid-liquid separation, the process step that leads to the crystallization system is more, it is lower to cause the use convenience of crystallization system, consequently, the urgent need a neotype crystallization system that generates sodium fluoroaluminate crystal from acid etching aluminium sediment solves these 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 dross.
The invention realizes the purpose through the following technical scheme:
a crystallization system for generating sodium fluoroaluminate crystals from acid etching aluminum slag comprises a grinding box, a reaction box and a separation box, wherein the reaction box is installed on one side of the grinding box, the separation box is installed on one side of the reaction box, an electric telescopic seat is installed at the top end in the grinding box, the grinding box is connected with the electric telescopic seat through a bolt, a grinding motor is installed at the lower end of the electric telescopic seat, the electric telescopic seat is connected with the grinding motor through a screw, a grinding plate is installed at the transmission output end of the grinding motor, a grinding seat is installed below the grinding plate, the grinding box is connected with the grinding seat through a clamping groove, a water storage groove is formed in one side of the electric telescopic seat, the water storage groove is formed in the grinding box, a water injection pump is installed on one side of the inner bottom end of the water storage groove, and the grinding box is connected with the water injection pump through a screw, the water injection pump machine is installed with the atomizing shower nozzle on a lateral wall, the water injection pump machine with the atomizing shower nozzle is pegged graft, agitator motor is installed at the top in the reaction box, the reaction box with agitator motor passes through bolted connection, the puddler is installed to agitator motor's transmission output, all install heater one on the wall of both sides in the reaction box, the shaping of bottom middle part has the support in the separator box, install the separation motor in the support, the support with the separation motor passes through the draw-in groove and connects, the cylinder is installed to the transmission output of separation motor, all install heater two on the lateral wall of both ends in the separator box, the separator box with the bolted connection is crossed to heater two.
Through adopting above-mentioned technical scheme, the water injection pump machine and the design of atomizer can make the crystallization system atomize earlier water liquid and then fuse with the acid etching aluminium sediment powder and form the thick liquid, can make the integration of acid etching aluminium sediment and water liquid more abundant to improve the reaction effect of subsequent handling, agitator motor and the design of puddler can make the crystallization system adopt stirring reaction mode, can make being heated of thick liquid more even, thereby improve the subsequent finished product crystallization effect of crystallization system, the separator box the knockout drum and the design of heater two can make the crystallization system adopt the dry integral type operation mode of separation, can reduce the process step of crystallization system, thereby improve the use convenience of crystallization system.
Furthermore, a control cabinet is installed on the other side of the grinding box, the grinding box is connected with the control cabinet through bolts, an operation panel is installed on one side wall of the control cabinet, and the control cabinet is connected with the operation panel through a clamping groove.
Through adopting above-mentioned technical scheme, can make the staff more convenient to control of crystal system.
Furthermore, conveying pipelines are respectively inserted among the grinding box, the reaction box and the separation box, conveying pumps are respectively installed in the conveying pipelines, and the conveying pipelines are connected with the conveying pumps through screws.
Through adopting above-mentioned technical scheme, can make the material of crystal system carry more smoothly.
Further, 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 convenient and fast more to the material of crystal system.
Furthermore, the reaction box is connected with the first heater through a clamping groove, and the first heater is inwards concave in the reaction box.
By adopting the technical scheme, the heating uniformity in the material reaction process can be ensured.
Further, agitator motor one side is provided with adds the material groove, add the material groove shaping in on the reaction box, it is outside and be equipped with special valve to add the material groove to be circular intercommunication.
Through adopting above-mentioned technical scheme, can make the staff carry out swift material work of adding.
Further, a box cover is installed at the upper end of the separation box, and the separation box is connected with the box cover through a buckle.
Through adopting above-mentioned technical scheme, can ensure the sealed effect of separator box.
Furthermore, a lifting handle is installed at the upper end of the box cover, and the box cover is connected with the lifting handle through screws.
Through adopting above-mentioned technical scheme, can make the staff right the opening and close of case lid is more convenient.
Furthermore, a discharge pipe is installed on one side of the support, and the separation box is connected with the discharge pipe in an inserting mode.
Through adopting above-mentioned technical scheme, can make the liquid discharge of separator box is more smooth and easy.
The invention has the beneficial effects that:
1. in order to solve the problem that the acid etched aluminum slag is ground into slurry in the grinding process of the conventional crystallization system by adopting a direct water injection mode, so that the acid etched aluminum slag and water liquid are not sufficiently fused, and the reaction of the subsequent process is not complete, the invention can ensure that the water liquid is atomized by the crystallization system and then fused with acid etched aluminum slag powder to form slurry through the design of a water injection pump machine and an atomization spray head, so that the acid etched aluminum slag and the water liquid can be fused more sufficiently, and the reaction effect of the subsequent process is improved;
2. in order to solve the problem that the conventional crystallization system is mostly in a standing mode in the heat-preservation hydrolysis reaction process, so that the heating of the slurry is easy to be uneven, and the subsequent finished product crystallization effect of the crystallization system is poor, the stirring reaction mode can be adopted by the crystallization system through the design of the stirring motor and the stirring rod, so that the heating of the slurry is more even, and the subsequent finished product crystallization effect of the crystallization system is improved;
3. in order to solve the problems that the existing crystallization system mostly adopts a centrifugal machine and a drying machine to respectively and sequentially operate after solid-liquid separation, so that the process steps of the crystallization system are more, and the use convenience of the crystallization system is lower.
Drawings
FIG. 1 is a schematic diagram of the structure of a crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross in accordance with the present invention;
FIG. 2 is a cross-sectional view of a crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross in accordance with the present invention;
FIG. 3 is an enlarged view of the portion A in FIG. 2 of the crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross in accordance with the present invention;
FIG. 4 is a block circuit diagram of a crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross in accordance with the present invention.
The reference numerals are explained below:
1. grinding a box; 2. a reaction box; 3. a separation tank; 4. a control cabinet; 5. an operation panel; 6. a delivery conduit; 7. a delivery pump machine; 8. a material injection groove; 9. an electric telescopic seat; 10. grinding the motor; 11. a grinding plate; 12. a grinding seat; 13. a water storage tank; 14. a water injection pump machine; 15. an atomizing spray head; 16. a stirring motor; 17. a stirring rod; 18. a first heater; 19. a feeding trough; 20. a box cover; 21. lifting a handle; 22. a support; 23. separating the motor; 24. a separation cylinder; 25. a second heater; 26. and (4) discharging the water.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-4, the crystallization system for generating sodium fluoroaluminate crystals from acid etching aluminum dross comprises a grinding tank 1, a reaction tank 2 and a separation tank 3, wherein the reaction tank 2 is installed on one side of the grinding tank 1, the separation tank 3 is installed on one side of the reaction tank 2, an electric telescopic base 9 is installed on the top end in the grinding tank 1, the grinding tank 1 is connected with the electric telescopic base 9 through a bolt, a grinding motor 10 is installed on the lower end of the electric telescopic base 9, the electric telescopic base 9 is connected with the grinding motor 10 through a screw, a grinding plate 11 is installed on the transmission output end of the grinding motor 10, a grinding base 12 is installed below the grinding plate 11, the grinding tank 1 is connected with the grinding base 12 through a clamping groove, a water storage tank 13 is arranged on one side of the electric telescopic base 9, and the water storage tank 13 is formed on the grinding tank 1, a water injection pump machine 14 is arranged on one side of the bottom end of the water storage tank 13, the grinding box 1 is connected with the water injection pump machine 14 through screws, an atomization spray head 15 is installed on one side wall of the water injection pump 14, the water injection pump 14 is inserted with the atomization spray head 15, the top end in the reaction box 2 is provided with a stirring motor 16, the reaction box 2 is connected with the stirring motor 16 through a bolt, a stirring rod 17 is arranged at the transmission output end of the stirring motor 16, a first heater 18 is arranged on both side walls in the reaction box 2, a support 22 is formed in the middle of the bottom end of the separation box 3, a separation motor 23 is installed in the support 22, the support 22 is connected with the separating motor 23 through a clamping groove, a separating cylinder 24 is arranged at the transmission output end of the separating motor 23, and a second heater 25 is arranged on the side walls of the two ends in the separation box 3, and the separation box 3 is connected with the second heater 25 through bolts.
In this embodiment, a control cabinet 4 is installed on the other side of the grinding box 1, the grinding box 1 is connected with the control cabinet 4 through bolts, an operation panel 5 is installed on a side wall of the control cabinet 4, and the control cabinet 4 is connected with the operation panel 5 through a clamping groove, so that a worker can control the crystallization system more conveniently.
In this embodiment, conveying pipelines 6 are respectively inserted between the grinding box 1, the reaction box 2 and the separation box 3, conveying pumps 7 are respectively installed in the conveying pipelines 6, and the conveying pipelines 6 are connected with the conveying pumps 7 through screws, so that the material conveying of the crystallization system can be smoother.
In this embodiment, a material injection groove 8 is formed in one side of the upper end of the grinding box 1, and the length of the material injection groove 8 can be controlled according to actual requirements, so that a worker can inject materials into a crystallization system more conveniently and quickly.
In this embodiment, the reaction box 2 is connected with the first heater 18 through a clamping groove, and the first heater 18 is recessed in the reaction box 2, so that the uniform heating in the material reaction process can be ensured.
In this embodiment, 16 one sides of agitator motor are provided with and add silo 19, add silo 19 shaping in on the reaction box 2, add silo 19 and be circular intercommunication outside and be equipped with special valve, can make the staff carry out swift material work of adding.
In this embodiment, a case cover 20 is installed at the upper end of the separation case 3, and the separation case 3 and the case cover 20 are connected through a buckle, so that the sealing effect of the separation case 3 can be ensured.
In this embodiment, the handle 21 is installed to case lid 20 upper end, case lid 20 with handle 21 passes through bolted connection, can make the staff to the opening and close of case lid 20 is more convenient.
In this embodiment, a discharge pipe 26 is installed at one side of the support 22, and the separation tank 3 is inserted into the discharge 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 the sodium fluoroaluminate crystals from the acid etching aluminum slag comprises the following steps: when in use, a worker can inject a certain amount of acid-etched aluminum slag into the grinding box 1 through the material injection groove 8, set the control cabinet 4 through the operation panel 5, control the grinding motor 10 to work through the control cabinet 4, control the grinding motor 10 to drive the grinding plate 11 to rotate and control the electric telescopic seat 9 to extend so that the grinding plate 11 can extrude the acid-etched aluminum slag onto the grinding seat 12 for grinding, control the control cabinet 4 to work when grinding the acid-etched aluminum slag into powder after a set time, control the water injection pump 14 to atomize a certain amount of water in the water storage groove 13 through the atomizing nozzle 15 and then spray the acid-etched aluminum slag powder to form slurry of the acid-etched aluminum slag powder, and then control the conveyor pump 7 to work, the conveying pump machine 7 can inject the slurry into the reaction box 2 through the conveying pipeline 6, and control the first heater 18 to work, so that the set temperature in the reaction box 2 is reached and the heat preservation treatment is carried out, and simultaneously control the stirring motor 16 to work, the stirring motor 16 drives the stirring rod 17 to uniformly stir the slurry, so that the slurry can be heated more uniformly in the hydrolysis process, after the hydrolysis reaction is completed after the set time, a worker can inject anhydrous sodium sulphate into the reaction box 2 through the material adding groove 19 to participate in the reaction, and simultaneously keep stirring operation, and after the reaction is completed, control the conveying pump machine 7 to work again to inject the slurry into the separation box 3, and control the separation motor 23 to work, the separation motor 23 drives the separation barrel 24 to rotate at high speed, so that the slurry after the reaction is completed is subjected to solid-liquid separation, and after the separation is finished, controlling the second heater 25 to work to keep the set temperature in the separation box 3, simultaneously enabling a worker to open the box cover 20 through the lifting handle 21 to add fluoroaluminate for reaction, and controlling the separation motor 23 to work again after the reaction is finished, so that the separation cylinder 24 can drive materials to move, and simultaneously controlling the second heater 25 to perform drying treatment, thus finishing the crystallization operation of finished sodium fluoroaluminate.
The foregoing shows and describes the general 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, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A crystallization system for generating sodium fluoroaluminate crystals from acid etching aluminum slag is characterized in that: the device comprises a grinding box (1), a reaction box (2) and a separation box (3), wherein the reaction box (2) is installed on one side of the grinding box (1), the separation box (3) is installed on one side of the reaction box (2), an electric telescopic seat (9) is installed at the top end in the grinding box (1), the grinding box (1) is connected with the electric telescopic seat (9) through bolts, a grinding motor (10) is installed at the lower end of the electric telescopic seat (9), the electric telescopic seat (9) is connected with the grinding motor (10) through screws, a grinding plate (11) is installed at the transmission output end of the grinding motor (10), a grinding seat (12) is installed below the grinding plate (11), the grinding box (1) is connected with the grinding seat (12) through a clamping groove, a water storage groove (13) is formed in one side of the electric telescopic seat (9), the grinding device is characterized in that the water storage tank (13) is formed on the grinding box (1), a water injection pump (14) is installed on one side of the inner bottom end of the water storage tank (13), the grinding box (1) is connected with the water injection pump (14) through screws, an atomization spray head (15) is installed on one side wall of the water injection pump (14), the water injection pump (14) is connected with the atomization spray head (15) in an inserting mode, a stirring motor (16) is installed at the top end in the reaction box (2), the reaction box (2) is connected with the stirring motor (16) through bolts, a stirring rod (17) is installed at the transmission output end of the stirring motor (16), first heaters (18) are installed on two inner side walls of the reaction box (2), a support (22) is formed in the middle of the inner bottom end of the separation box (3), a separation motor (23) is installed in the support (22), and the support (22) is connected with the separation motor (23) through a clamping groove, a separation cylinder (24) is installed to the transmission output end of separation motor (23), all install heater two (25) on the both ends lateral wall in separator box (3), separator box (3) with heater two (25) pass through bolted connection.
2. The crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross as claimed in claim 1, wherein: the grinding box is characterized in that a control cabinet (4) is installed on the other side of the grinding box (1), the grinding box (1) is connected with the control cabinet (4) through bolts, an operation panel (5) is installed on one side wall of the control cabinet (4), and the control cabinet (4) is connected with the operation panel (5) through a clamping groove.
3. The crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross as claimed in claim 1, wherein: conveying pipelines (6) are respectively inserted among the grinding box (1), the reaction box (2) and the separation box (3), conveying pump machines (7) are respectively installed in the conveying pipelines (6), and the conveying pipelines (6) are connected with the conveying pump machines (7) through screws.
4. The crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross as claimed in claim 1, wherein: and a material injection groove (8) is formed in one side of the upper end of the grinding box (1).
5. The crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross as claimed in claim 1, wherein: the reaction box (2) is connected with the first heater (18) through a clamping groove, and the first heater (18) is inwards concave in the reaction box (2).
6. The crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross as claimed in claim 1, wherein: stirring motor (16) one side is provided with adds silo (19), add silo (19) shaping in on reaction box (2), it is outside and be equipped with special valve to add silo (19) to be circular intercommunication.
7. The crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross as claimed in claim 1, wherein: case lid (20) are installed to separator box (3) upper end, separator box (3) with case lid (20) pass through the buckle and connect.
8. The crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross as claimed in claim 7, wherein: the upper end of the box cover (20) is provided with a lifting handle (21), and the box cover (20) is connected with the lifting handle (21) through a screw.
9. The crystallization system for producing sodium fluoroaluminate crystals from acid etched aluminum dross as claimed in claim 1, wherein: a discharge pipe (26) is installed on one side of the support (22), and the separation box (3) is connected with the discharge pipe (26) in an inserted mode.
10. The crystallization method of the crystallization system for producing sodium fluoroaluminate crystals from acid-etched aluminum dross, which is applied to the crystallization system for producing sodium fluoroaluminate crystals from acid-etched aluminum dross according to any one of claims 1 to 9, wherein: when in use, a worker can inject a certain amount of acid-etched aluminum slag into the grinding box (1) through the material injection groove (8), set the control cabinet (4) through the operation panel (5), control the grinding motor (10) to work through the control cabinet (4), drive the grinding plate (11) to rotate by the grinding motor (10), control the electric telescopic seat (9) to extend, enable the grinding plate (11) to extrude the acid-etched aluminum slag onto the grinding seat (12) to grind, when grinding the acid-etched aluminum slag into powder after the set time, control the water injection pump (14) to work by the control cabinet (4), and spray acid-etched aluminum slag powder after the water injection pump (14) atomizes a certain amount of water liquid in the water storage groove (13) through the atomizing nozzle (15), make the slurry that acid etching aluminium sediment powder formed, then control conveyor pump machine (7) work, conveyor pump machine (7) can pass through the thick liquid pipeline (6) pours into in reaction box (2), and control heater (18) work, make reach the settlement temperature in reaction box (2) and heat preservation handle, control simultaneously agitator motor (16) work, agitator motor (16) will drive puddler (17) evenly stirs the thick liquid, makes the thick liquid can be heated more evenly in the hydrolysis process, after accomplishing the hydrolysis reaction after the settlement time, the staff accessible add silo (19) to pour into anhydrous sodium sulphate into in reaction box (2) and participate in the reaction, keep stirring operation simultaneously, and control conveyor pump machine (7) work again after the reaction is accomplished and pour into the thick liquid in separation box (3), and controlling the separation motor (23) to work, wherein the separation motor (23) drives the separation cylinder (24) to rotate at a high speed, so that slurry after reaction is subjected to solid-liquid separation, controlling the second heater (25) to work after the separation is finished, keeping the set temperature in the separation box (3), simultaneously enabling a worker to open the box cover (20) through the lifting handle (21) to add fluoroaluminate for reaction, controlling the separation motor (23) to work again after the reaction is finished, enabling the separation cylinder (24) to drive materials to move, and controlling the second heater (25) to perform drying treatment, so that the crystallization operation of finished sodium fluoroaluminate can be finished.
Priority Applications (1)
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|---|---|---|---|
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