CN115475816B - Aluminum electrolysis fluorine waste material processing system - Google Patents
Aluminum electrolysis fluorine waste material processing system Download PDFInfo
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- CN115475816B CN115475816B CN202211185096.4A CN202211185096A CN115475816B CN 115475816 B CN115475816 B CN 115475816B CN 202211185096 A CN202211185096 A CN 202211185096A CN 115475816 B CN115475816 B CN 115475816B
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- 239000002699 waste material Substances 0.000 title claims abstract description 65
- 239000011737 fluorine Substances 0.000 title claims abstract description 37
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 37
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 92
- 238000000227 grinding Methods 0.000 claims description 66
- 238000003756 stirring Methods 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000001556 precipitation Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 description 29
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 16
- 239000007789 gas Substances 0.000 description 15
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 11
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003575 carbonaceous material Substances 0.000 description 4
- -1 fluorine ions Chemical class 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/70—Chemical treatment, e.g. pH adjustment or oxidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to an aluminum electrolysis fluorine waste treatment system, which comprises a reaction unit and a processing unit, wherein the upper end of the reaction unit is fixedly provided with the processing unit.
Description
Technical Field
The invention relates to the technical field of aluminum electrolysis fluorine waste treatment, in particular to an aluminum electrolysis fluorine waste treatment system.
Background
The aluminum electrolysis fluorine waste is mainly anode waste carbon material, the anode waste carbon material, cryolite, alumina, ferric oxide and other trace impurities, the percentage of each material component is about 75% of the anode waste carbon material, about 6% of the alumina, about 11% of the cryolite, about 4% of iron and ferric oxide and about 4% of other impurities, and toxic substances such as fluoride, cyanide and the like are gradually transferred into the atmosphere, soil and groundwater through wind, sun and rain in the anode waste carbon material, so that the health and survival of animals, plants and human are seriously influenced, and therefore, the aluminum electrolysis fluorine waste can be fully utilized and cannot pollute the environment by recycling the aluminum electrolysis fluorine waste in a certain mode.
The recycling of the aluminum electrolysis fluorine waste is mainly as follows: the method comprises the steps of preparing materials for pulping, leaching by hydrochloric acid, leaching by liquid alkali, recovering hydrogen fluoride, wherein in the process of preparing materials for pulping, aluminum electrolysis fluorine waste is required to be crushed and then screened, so that the volume of powder particles contacted with hydrochloric acid is guaranteed to meet the requirement standard, powder particles which do not meet the standard are required to be conveyed back to a crushing position for crushing again, finally, powder which meet the requirement standard is conveyed into a reaction zone, frequent transportation of the aluminum electrolysis fluorine waste is required in the whole treatment process, so that the utilization rate of a working space is influenced, and when aluminum electrolysis fluorine waste powder reacts with hydrochloric acid, solids and liquids are mixed for reaction, so that the solids are easy to fall down rapidly under the action of gravity when entering the liquid, and are aggregated together, thus the mixture reaction is insufficient, the waste treatment utilization rate of equipment is low, and hydrogen fluoride gas generated in the reaction process is easy to leak into the outside air, so that the working environment is influenced, the health of workers is influenced, and the processing efficiency of the equipment is finally influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides an aluminum electrolysis fluorine waste treatment system.
The aluminum electrolysis fluorine waste treatment system comprises a reaction unit and a processing unit, wherein the processing unit is fixedly arranged at the upper end of the reaction unit.
The reaction unit comprises a reaction tank I, wherein the upper side of the interior of the reaction tank I is connected with a closed frame in a sliding fit manner, an inclined plastic exhaust pipe is fixedly arranged at the left end of the reaction tank I and positioned at the lower side of the closed frame, the reaction frame is fixedly arranged at the tail end of the plastic exhaust pipe, a reaction tank II is fixedly arranged at the right end of the reaction tank I, a communication pipe is fixedly arranged between the reaction tank I and the reaction tank II, a filter plate is fixedly arranged at the left end of the interior of the communication pipe, an electric valve I is fixedly arranged in the communication pipe, a liquid discharge pipe is fixedly arranged at the right end of the reaction tank II, and a one-way valve is fixedly arranged in the liquid discharge pipe.
The electric heating wire is fixedly arranged in the first reaction tank, the first precipitation frame is fixedly arranged at the lower end of the reaction tank, the first motor is fixedly arranged at the lower end of the precipitation frame through the motor base, the stirring column is fixedly arranged on the output shaft of the first motor through the coupler, and the stirring frame is uniformly and fixedly arranged on the outer end face of the stirring column.
The processing unit comprises a grinding cylinder, wherein the upper end of the reaction tank is fixedly provided with the grinding cylinder, the inner end of the grinding cylinder is fixedly provided with the matched grinding cylinder, the grinding cylinder is rotationally connected with a fixed column, the lower end of the fixed column is fixedly connected with a stirring column, the fixed column is fixedly provided with a grinding frame, the upper end of the grinding cylinder is fixedly provided with a crushing cylinder, the crushing cylinder is uniformly rotationally connected with a crushing roller, the outer end surface of the crushing roller is uniformly and fixedly provided with a crushing cutter, the rear end of the grinding cylinder is fixedly provided with a driving frame, and the driving frame is fixedly connected with the crushing roller.
The first preferred technical scheme is as follows: the closed frame comprises a sector piece, the left side and the right side of the upper side of the reaction tank are symmetrically connected with the sector piece in a sliding fit mode, matched tooth grooves are formed in the opposite end faces of the sector pieces on the left side and the right side, right angle pieces are fixedly mounted on the left side and the right side of the upper side of the reaction tank, electric push rods are fixedly mounted at the opposite ends of the right angle pieces, and the tail ends of the electric push rods are fixedly connected with the sector pieces.
And the second preferred technical scheme is as follows: the reaction frame comprises a spiral bent pipe, the tail end of the plastic exhaust pipe is fixedly provided with the spiral bent pipe, sodium hydroxide solution is filled in the spiral bent pipe, the tail end of the spiral bent pipe is fixedly provided with an S-shaped bent pipe, the lower end of the spiral bent pipe is fixedly provided with a collecting pipe, and an electric valve II is fixedly arranged in the collecting pipe.
And the preferred technical scheme is as follows: the first sedimentation frame comprises a round platform barrel, a round platform barrel is fixedly arranged at the lower end of the reaction tank, a connecting rod is uniformly and fixedly arranged at the inner end of the lower side of the round platform barrel, a round locating plate is fixedly arranged at the tail end of the connecting rod, the round locating plate is rotationally connected with a stirring column, a screw belt is fixedly arranged at the outer end of the lower side of the stirring column, a discharge pipe is fixedly arranged at the lower end of the round platform barrel, an electric valve III is fixedly arranged at the inner end of the discharge pipe, and the structure of the second reaction tank is identical to that of the first reaction tank.
The preferable technical scheme is as follows: the stirring frame comprises inclined material containing plates, wherein the inclined material containing plates are uniformly and fixedly arranged on the outer end faces of the stirring columns, the inclined material containing plates which are adjacent up and down are arranged in a staggered mode, grid buffer plates are uniformly and fixedly arranged at the upper ends of the inclined material containing plates, baffle plates are fixedly arranged at the upper ends of the inclined material containing plates and located at the outer contour positions, and stirring plates are fixedly arranged at the lower ends of the inclined material containing plates.
The preferable technical scheme is as follows: the cooperation grinding vessel includes the ring plate, and the ring plate of grinding vessel inner fixed mounting has the round platform recess, and round platform recess inner is evenly rotated and is connected with grinding column one, and cooperation grinding vessel lower extreme fixed mounting has annular filter, evenly has offered the blanking through-hole on the annular filter, rotates between annular filter and the grinding frame and is connected.
The preferable technical scheme is as follows: the grinding frame comprises a round table part, the round table part is fixedly installed on a fixed column, the bottom surface diameter of the lower side of the round table part is smaller than the bottom surface diameter of the upper side of the round table part, a conical part is fixedly installed on the upper end of the round table part, the outer annular surface of the lower half part of the conical part is uniformly and rotatably connected with a grinding column II, a pushing part is uniformly and fixedly installed on the lower end surface of the conical part, a blowing part is uniformly and fixedly installed on the lower end of the conical part, branch pipes are fixedly installed on the blowing part, main pipes are fixedly installed at the tail ends of the branch pipes together, an air pump is fixedly installed outside the lower side of the stirring column, and the air pump is fixedly connected with the main pipes.
The preferred technical scheme is as follows: the driving frame comprises a motor II, the rear end of the grinding cylinder is fixedly provided with a motor II through a motor seat, an output shaft of the motor II is fixedly provided with a gear I through a coupler, the front end of the gear I is fixedly connected with a leftmost crushing roller, the rear end of the grinding cylinder is uniformly and rotationally connected with a gear II, the gear I is meshed with the gear II, adjacent gears are meshed with each other, and the gear II is fixedly connected with the rest crushing rollers.
The invention has the following beneficial effects: 1. according to the aluminum electrolysis fluorine waste treatment system provided by the invention, the aluminum electrolysis fluorine waste is crushed and crushed through the processing unit, so that all aluminum electrolysis fluorine waste powder particles are ensured to meet the required standard, and in the whole processing process, the aluminum electrolysis fluorine waste is not required to be transported additionally, so that the volume of equipment is reduced, the utilization rate of a working site is improved, the aluminum electrolysis fluorine waste powder particles can be fully reacted with a reaction solution through the reaction unit, the components in the aluminum electrolysis fluorine waste powder particles are completely separated, the recovery efficiency and recovery rate of the electrolysis fluorine waste are improved, and meanwhile, hydrogen fluoride gas is treated in the reaction process, so that the hydrogen fluoride gas is prevented from being directly diffused into the working environment to endanger the health of workers.
2. According to the reaction unit provided by the invention, the waste powder can slowly move from the upper inclined material containing plate to the adjacent lower inclined material containing plate through the grid buffer plate, the waste is dispersed through the grid buffer plate and uniformly distributed on the inclined material containing plate, the movement of the waste powder is slowed down through the baffle plate, and the falling speed of the waste powder into the first precipitation frame is slowed down, so that the waste powder and the hydrochloric acid solution are fully reacted.
3. The processing unit provided by the invention is matched with the grinding frame through the first grinding column, so that the waste fragments are ground, and the powder particles meeting the standard fall down through the blanking through holes.
4. According to the processing unit, the conical piece is matched with the circular truncated cone, so that the falling speed of waste fragments is slowed down, gas is introduced into the main pipeline through the gas pump, and finally, waste powder which does not meet the standard is blown upwards through the branch pipe and enters between the circular truncated cone and the circular ring plate again for grinding treatment.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of a front cross-sectional structure of the present invention.
Fig. 3 is a cross-sectional view taken along the direction A-A of fig. 2 in accordance with the present invention.
Fig. 4 is an enlarged view of a portion at N of fig. 2 in accordance with the present invention.
Fig. 5 is an enlarged view of a portion of the invention at M of fig. 2.
Fig. 6 is an enlarged view of a portion of fig. 2 at E in accordance with the present invention.
FIG. 7 is a schematic cross-sectional view of the mesh buffer plate and dam of the present invention.
In the figure: 1. a reaction unit; 11. a first reaction tank; 111. heating wires; 112. a first sedimentation frame; 1121. a round platform cylinder; 1122. a connecting rod; 1123. a circular positioning plate; 1124. a ribbon; 1125. a discharge pipe; 1126. an electric valve III; 113. a first motor; 114. stirring the column; 115. a stirring rack; 1151. tilting the material containing plate; 1152. a mesh buffer plate; 1153. a striker plate; 1154. a stirring plate; 12. a closing frame; 121. a sector; 122. a right angle member; 123. an electric push rod; 13. a plastic exhaust pipe; 14. a reaction rack; 141. a spiral bent pipe; 142. an S-shaped bent pipe; 143. a collection pipe; 144. an electric valve II; 15. a second reaction tank; 16. a communicating pipe; 17. a filter plate; 18. an electric valve I; 19. a liquid discharge pipe; 191. a one-way valve; 2. a processing unit; 20. a grinding cylinder; 21. matching with a grinding cylinder; 211. a circular plate; 212. grinding the first column; 213. an annular filter member; 214. blanking through holes; 22. fixing the column; 23. a grinding frame; 231. a round table part; 232. a conical member; 233. grinding a second column; 234. a pushing piece; 235. blowing a material piece; 236. a branch pipe; 237. a main pipe; 238. an air pump; 24. a crushing cylinder; 25. a crushing roller; 26. a crushing knife; 27. a drive rack; 271. a second motor; 272. a first gear; 273. and a second gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an aluminum electrolysis fluorine waste treatment system comprises a reaction unit 1 and a processing unit 2, wherein the processing unit 2 is fixedly arranged at the upper end of the reaction unit 1.
Referring to fig. 1 and 2, the reaction unit 1 includes a first reaction tank 11, a closed frame 12 is connected to the upper side of the first reaction tank 11 in a sliding fit manner, an inclined plastic exhaust pipe 13 is fixedly installed at the left end of the first reaction tank 11 and at the lower side of the closed frame 12, a reaction frame 14 is fixedly installed at the tail end of the plastic exhaust pipe 13, a second reaction tank 15 is fixedly installed at the right end of the first reaction tank 11, a communication pipe 16 is fixedly installed between the first reaction tank 11 and the second reaction tank 15, a filter plate 17 is fixedly installed at the left end inside the communication pipe 16, an electric valve 18 is fixedly installed inside the communication pipe 16, a drain pipe 19 is fixedly installed at the right end of the second reaction tank 15, and a one-way valve 191 is fixedly installed inside the drain pipe 19.
Firstly, aluminum electrolytic fluorine waste is introduced into a processing unit 2 for crushing and grinding, waste powder with the particle volume conforming to the standard falls onto a closed frame 12, when the falling amount is enough, the closed frame 12 is opened, the waste powder enters a first reaction tank 11 and is mixed with hydrochloric acid solution in the first reaction tank 11, at the moment, the closed frame 12 is closed again, fluorine ions in the waste powder are combined with hydrogen ions in the solution to form hydrogen fluoride gas, the gas is transported through a plastic exhaust pipe 13, finally, the hydrogen fluoride gas is treated through a reaction frame 14 to prevent the gas from entering the outside air to generate harm, an electric valve I18 is opened, the completely reacted solution enters a second reaction tank 15 through a communicating pipe 16 to react with sodium hydroxide solution, thereby forming metal precipitate, finally, the reaction solution is discharged through a liquid discharge pipe 19, and the precipitate is collected for preparing metal.
Referring to fig. 2, an electric heating wire 111 is fixedly installed in the first reaction tank 11, a first precipitation frame 112 is fixedly installed at the lower end of the first reaction tank 11, a first motor 113 is fixedly installed at the lower end of the first precipitation frame 112 through a motor base, a stirring column 114 is fixedly installed on an output shaft of the first motor 113 through a coupling, and a stirring frame 115 is uniformly and fixedly installed on the outer end face of the stirring column 114; firstly, the mixture in the reaction tank is heated by the electric heating wire 111, and the stirring column 114 is driven to rotate by the motor 113, so that the stirring frame 115 is driven to stir the reactants in the reaction tank 11, the reactants are uniformly mixed, the aim of complete reaction is achieved, and silicon dioxide in the reactants is precipitated in the precipitation frame 112 in a solid form, so that the silicon dioxide is collected.
Referring to fig. 1 and 2, the processing unit 2 includes a grinding drum 20, a grinding drum 20 is fixedly mounted at the upper end of the first reaction tank 11, a matched grinding drum 21 is fixedly mounted at the inner end of the grinding drum 20, a fixed column 22 is rotatably connected to the grinding drum 20, the lower end of the fixed column 22 is fixedly connected to a stirring column 114, a grinding frame 23 is fixedly mounted on the fixed column 22, a crushing drum 24 is fixedly mounted at the upper end of the grinding drum 20, a crushing roller 25 is uniformly and rotatably connected to the inside of the crushing drum 24, a crushing knife 26 is uniformly and fixedly mounted at the outer end surface of the crushing roller 25, a driving frame 27 is fixedly mounted at the rear end of the grinding drum 20, and the driving frame 27 is fixedly connected to the crushing roller 25; the aluminum electrolytic fluorine waste is introduced into a crushing cylinder 24, crushed by a crushing roller 25, and then ground by a grinding frame 23 matched with a matched grinding cylinder 21, so that the particle volume meets the requirement.
Referring to fig. 2, the closed frame 12 includes a sector 121, two sides of the upper side of the first reaction tank 11 are symmetrically connected with the sector 121 in a sliding fit manner, opposite end surfaces of the sector 121 on the two sides are provided with matched tooth grooves, right angle pieces 122 are symmetrically and fixedly installed on the upper side of the first reaction tank 11, electric push rods 123 are fixedly installed on opposite ends of the right angle pieces 122, and the tail ends of the electric push rods 123 are fixedly connected with the sector 121; the upper side of the first reaction tank 11 is closed by the matched sector 121, the sector 121 is tightly attached by a tooth slot, and the sector 121 is driven to smoothly move in the horizontal direction by the electric push rod 123.
With continued reference to fig. 2, the reaction frame 14 includes a spiral bend 141, a spiral bend 141 is fixedly installed at the end of the plastic exhaust pipe 13, sodium hydroxide solution is filled in the spiral bend 141, an S-shaped bend 142 is fixedly installed at the end of the spiral bend 141, a collecting pipe 143 is fixedly installed at the lower end of the spiral bend 141, and an electric valve two 144 is fixedly installed in the collecting pipe 143; the hydrogen fluoride gas generated in the reaction process enters the spiral bent pipe 141 through the plastic exhaust pipe 13, and the hydrogen fluoride reacts with sodium hydroxide solution to prevent the hydrogen fluoride gas from entering the air, so that the working environment is polluted and the health of operators is influenced.
With continued reference to fig. 2, the first precipitation rack 112 includes a circular cylinder 1121, the lower end of the first reaction tank 11 is fixedly provided with a circular cylinder 1121, the inner end of the lower side of the circular cylinder 1121 is uniformly and fixedly provided with a connecting rod 1122, the ends of the connecting rods 1122 are jointly and fixedly provided with a circular positioning plate 1123, the circular positioning plate 1123 is rotationally connected with the stirring column 114, the outer end of the lower side of the stirring column 114 is fixedly provided with a spiral belt 1124, the lower end of the circular cylinder 1121 is fixedly provided with a discharge pipe 1125, the inner end of the discharge pipe 1125 is fixedly provided with an electric valve three 1126, and the structure of the second reaction tank 15 is the same as that of the first reaction tank 11; the sediment is collected by the round platform cylinder 1121, is smoothly transported downwards into the discharge pipe 1125 by the spiral belt 1124, and is discharged by the electric valve three 1126.
Referring to fig. 3, 5, 6 and 7, the stirring frame 115 includes an inclined material accommodating plate 1151, the outer end surface of the stirring column 114 is uniformly and fixedly provided with the inclined material accommodating plate 1151, the inclined material accommodating plates 1151 adjacent to each other vertically are staggered, the upper end of the inclined material accommodating plate 1151 is uniformly and fixedly provided with a grid buffer plate 1152, the upper end of the inclined material accommodating plate 1151 is fixedly provided with a baffle plate 1153 at the outer contour, and the lower end of the inclined material accommodating plate 1151 is fixedly provided with a stirring plate 1154; the waste powder is contained through the inclined material containing plate 1151, when the stirring column 114 drives the inclined material containing plate 1151 to rotate, the waste powder reacts with the hydrochloric acid solution, the waste powder can slowly move from the upper inclined material containing plate 1151 to the adjacent lower inclined material containing plate 1151 through the grid buffer plate 1152, the waste is dispersed through the grid buffer plate 1152, the waste powder is uniformly distributed on the inclined material containing plate 1151, the movement of the waste powder is slowed down through the baffle plate 1153, the speed of the waste powder falling into the first precipitation frame 112 is slowed down, and therefore the waste powder and the hydrochloric acid solution are fully reacted.
Referring to fig. 2 and 4, the matched grinding cylinder 21 includes a circular plate 211, the inner end of the grinding cylinder 21 is fixedly provided with the circular plate 211, the inner end of the circular plate 211 is provided with a circular truncated cone groove, the inner end of the circular truncated cone groove is uniformly and rotatably connected with a grinding column one 212, the lower end of the matched grinding cylinder 21 is fixedly provided with an annular filter 213, the annular filter 213 is uniformly provided with a blanking through hole 214, and the annular filter 213 is rotatably connected with the grinding frame 23; the scrap pieces are ground by the cooperation of the grinding column one 212 and the grinding frame 23, and the powder particles conforming to the standard are dropped through the blanking through holes 214.
With continued reference to fig. 2 and fig. 4, the grinding frame 23 includes a circular table 231, the fixed column 22 is fixedly provided with the circular table 231, the bottom surface diameter of the lower side of the circular table 231 is smaller than the bottom surface diameter of the upper side of the circular table 231, the upper end of the circular table 231 is fixedly provided with a conical member 232, the outer ring surface of the lower half part of the conical member 232 is uniformly and rotatably connected with a second grinding column 233, the lower end surface of the conical member 232 is uniformly and fixedly provided with a pushing member 234, the lower end of the conical member 232 is uniformly and fixedly provided with a blowing member 235, the blowing members 235 are fixedly provided with branch pipes 236, the tail ends of the branch pipes 236 are fixedly provided with main pipes 237 together, the outer side of the lower side of the stirring column 114 is fixedly provided with an air pump 238, and the air pump 238 is fixedly connected with the main pipes 237; the conical part 232 is matched with the circular table part 231 to slow down the falling speed of the waste fragments, the air pump 238 is used for leading air into the main pipeline 237, and finally the air is discharged from the blowing part 235 through the branch pipe 236, so that waste powder which does not meet the standard is blown upwards, and the waste powder enters between the circular table part 231 and the circular ring plate 211 again for grinding treatment.
Referring to fig. 1 and 3, the driving frame 27 includes a second motor 271, the rear end of the grinding drum 21 is fixedly provided with the second motor 271 through a motor seat, an output shaft of the second motor 271 is fixedly provided with a first gear 272 through a coupling, the front end of the first gear 272 is fixedly connected with the leftmost crushing roller 25, the rear end of the crushing drum 24 is uniformly and rotatably connected with a second gear 273, the first gear 272 is meshed with the second gear 273, adjacent gears 273 are meshed, and the second gear 273 is fixedly connected with the rest crushing rollers 25; the second motor 271 drives the first gear 272 to rotate, so as to drive the second gear 273 to rotate, and finally drive all the crushing rollers 25 to rotate.
During specific work, firstly, aluminum electrolytic fluorine waste is introduced into the crushing cylinder 24, the aluminum electrolytic fluorine waste is crushed through the crushing roller 25, then the aluminum electrolytic fluorine waste is matched with the matched grinding cylinder 21 through the grinding frame 23, the grinding treatment is carried out on the aluminum electrolytic fluorine waste, so that the particle size meets the requirement, waste powder with the particle size meeting the standard falls onto the closed frame 12, after the falling amount is enough, the closed frame 12 is opened, the waste powder enters the first reaction tank 11 and is mixed with hydrochloric acid solution in the first reaction tank 11, at the moment, the closed frame 12 is closed again, fluorine ions in the waste powder are combined with hydrogen ions in the solution to form hydrogen fluoride gas, the gas is transported through the plastic exhaust pipe 13, finally, the hydrogen fluoride gas is treated through the reaction frame 14, the gas is prevented from entering the outside air to generate harm, the electric valve I18 is opened, the completely reacted solution enters the second reaction tank 15 through the communication pipe 16 and reacts with sodium hydroxide solution, thereby forming metal precipitation, finally the reaction solution is discharged through the liquid discharge pipe 19, and the precipitate is collected for preparing metal.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An aluminum electrolysis fluorine waste material treatment system comprises a reaction unit (1) and a processing unit (2), and is characterized in that: the upper end of the reaction unit (1) is fixedly provided with a processing unit (2); wherein:
the reaction unit (1) comprises a first reaction tank (11), wherein the upper side of the interior of the first reaction tank (11) is connected with a closed frame (12) in a sliding fit manner, the left end of the first reaction tank (11) is fixedly provided with an inclined plastic exhaust pipe (13) which is positioned at the lower side of the closed frame (12), the tail end of the plastic exhaust pipe (13) is fixedly provided with a reaction frame (14), the right end of the first reaction tank (11) is fixedly provided with a second reaction tank (15), a communication pipe (16) is fixedly arranged between the first reaction tank (11) and the second reaction tank (15), the left end of the interior of the communication pipe (16) is fixedly provided with a filter plate (17), the interior of the communication pipe (16) is fixedly provided with an electric valve I (18), the right end of the second reaction tank (15) is fixedly provided with a liquid discharge pipe (19), and the interior of the liquid discharge pipe (19) is fixedly provided with a one-way valve (191);
an electric heating wire (111) is fixedly arranged in the first reaction tank (11), a first precipitation frame (112) is fixedly arranged at the lower end of the first reaction tank (11), a first motor (113) is fixedly arranged at the lower end of the first precipitation frame (112) through a motor seat, a stirring column (114) is fixedly arranged on an output shaft of the first motor (113) through a coupling, and stirring frames (115) are uniformly and fixedly arranged on the outer end surfaces of the stirring columns (114);
the stirring frame (115) comprises inclined material containing plates (1151), wherein the outer end surfaces of stirring columns (114) are uniformly and fixedly provided with the inclined material containing plates (1151), the upper and lower adjacent inclined material containing plates (1151) are arranged in a staggered mode, the upper ends of the inclined material containing plates (1151) are uniformly and fixedly provided with grid buffer plates (1152), the upper ends of the inclined material containing plates (1151) are fixedly provided with baffle plates (1153) which are positioned at the outer contour positions, and the lower ends of the inclined material containing plates (1151) are fixedly provided with stirring plates (1154);
the processing unit (2) comprises a grinding cylinder (20), the upper end of a reaction tank I (11) is fixedly provided with the grinding cylinder (20), the inner end of the grinding cylinder (20) is fixedly provided with a matched grinding cylinder (21), the grinding cylinder (20) is rotationally connected with a fixed column (22), the lower end of the fixed column (22) is fixedly connected with a stirring column (114), the fixed column (22) is fixedly provided with a grinding frame (23), the upper end of the grinding cylinder (20) is fixedly provided with a crushing cylinder (24), the crushing cylinder (24) is internally and uniformly rotationally connected with a crushing roller (25), the outer end surface of the crushing roller (25) is uniformly and fixedly provided with a crushing knife (26), the rear end of the grinding cylinder (20) is fixedly provided with a driving frame (27), and the driving frame (27) is fixedly connected with the crushing roller (25).
2. An aluminum electrolysis fluorine waste treatment system according to claim 1, wherein: the closed frame (12) comprises a sector (121), the left side and the right side of the upper side of the inner part of the first reaction tank (11) are symmetrically connected with the sector (121) in a sliding fit mode, matched tooth grooves are formed in the opposite end faces of the sector (121) on the left side and the right side, right angle pieces (122) are fixedly installed on the left side and the right side of the upper side of the first reaction tank (11), electric push rods (123) are fixedly installed at the opposite ends of the right angle pieces (122), and the tail ends of the electric push rods (123) are fixedly connected with the sector (121).
3. An aluminum electrolysis fluorine waste treatment system according to claim 1, wherein: the reaction frame (14) comprises a spiral bent pipe (141), the tail end of the plastic exhaust pipe (13) is fixedly provided with the spiral bent pipe (141), sodium hydroxide solution is filled in the spiral bent pipe (141), the tail end of the spiral bent pipe (141) is fixedly provided with an S-shaped bent pipe (142), the lower end of the spiral bent pipe (141) is fixedly provided with a collecting pipe (143), and the interior of the collecting pipe (143) is fixedly provided with an electric valve II (144).
4. An aluminum electrolysis fluorine waste treatment system according to claim 1, wherein: the first precipitation frame (112) comprises a circular truncated cone (1121), a circular truncated cone (1121) is fixedly arranged at the lower end of the first reaction tank (11), a connecting rod (1122) is uniformly and fixedly arranged at the inner end of the lower side of the circular truncated cone (1121), a circular positioning plate (1123) is fixedly arranged at the tail end of the connecting rod (1122), the circular positioning plate (1123) is rotationally connected with the stirring column (114), a spiral belt (1124) is fixedly arranged at the outer end of the lower side of the stirring column (114), a discharge pipe (1125) is fixedly arranged at the lower end of the circular truncated cone (1121), an electric valve III (1126) is fixedly arranged at the inner end of the discharge pipe (1125), and the structure of the second reaction tank (15) is identical to that of the first reaction tank (11).
5. An aluminum electrolysis fluorine waste treatment system according to claim 1, wherein: the cooperation grinding cylinder (21) comprises a circular ring plate (211), the circular ring plate (211) is fixedly arranged at the inner end of the grinding cylinder (21), a circular platform groove is formed in the inner end of the circular ring plate (211), the first grinding column (212) is uniformly rotationally connected at the inner end of the circular platform groove, an annular filter (213) is fixedly arranged at the lower end of the cooperation grinding cylinder (21), blanking through holes (214) are uniformly formed in the annular filter (213), and the annular filter (213) is rotationally connected with the grinding frame (23).
6. An aluminum electrolysis fluorine waste treatment system according to claim 1, wherein: the grinding frame (23) comprises a round table part (231), the round table part (231) is fixedly arranged on a fixed column (22), the bottom surface diameter of the lower side of the round table part (231) is smaller than the bottom surface diameter of the upper side of the round table part (231), a conical part (232) is fixedly arranged at the upper end of the round table part (231), the outer ring surface of the lower half part of the conical part (232) is uniformly and rotatably connected with a grinding column II (233), a pushing part (234) is uniformly and fixedly arranged at the lower end surface of the conical part (232), a blowing part (235) is uniformly and fixedly arranged at the lower end of the conical part (232), branch pipes (236) are fixedly arranged on the blowing part (235), a main pipeline (237) is fixedly arranged at the tail ends of the branch pipes together, an air pump (238) is fixedly arranged at the outer side of the lower side of the stirring column (114), and the air pump (238) is fixedly connected with the main pipeline (237).
7. An aluminum electrolysis fluorine waste treatment system according to claim 1, wherein: the driving frame (27) comprises a motor II (271), the rear end of the grinding cylinder (21) is fixedly provided with the motor II (271) through a motor seat, an output shaft of the motor II (271) is fixedly provided with a gear I (272) through a coupler, the front end of the gear I (272) is fixedly connected with a leftmost crushing roller (25), the rear end of the crushing cylinder (24) is uniformly and rotatably connected with a gear II (273), the gear I (272) is meshed with the gear II (273), adjacent gears II (273) are meshed, and the gear II (273) is fixedly connected with the rest crushing rollers (25).
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| CN202211185096.4A CN115475816B (en) | 2022-09-27 | 2022-09-27 | Aluminum electrolysis fluorine waste material processing system |
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| CN202211185096.4A CN115475816B (en) | 2022-09-27 | 2022-09-27 | Aluminum electrolysis fluorine waste material processing system |
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| CZ294208B6 (en) * | 2003-03-05 | 2004-10-13 | Rieteráczáa@S | Device for crushing plastic products and/or half-finished products, particularly for the purpose of recycling thereof |
| KR101114966B1 (en) * | 2010-05-28 | 2012-02-13 | 주식회사 엘지화학 | Shredder for super adsorbent polymer and preparation method of super absorbent polymer using the same |
| CZ2017446A3 (en) * | 2017-08-02 | 2019-03-20 | Plastigram Industries A.S. | A method of processing waste generated by recycling paper from used beverage cartons |
| CN109092536A (en) * | 2018-07-31 | 2018-12-28 | 广州顺途信息科技有限公司 | Crushing device is used in a kind of processing of organic fertilizer production |
| CN109127655B (en) * | 2018-08-01 | 2021-05-07 | 湘潭大学 | Method and system for converting sodium-containing and fluorine-containing compounds in aluminum electrolysis waste carbon slag |
| CN111841324A (en) * | 2019-12-08 | 2020-10-30 | 内蒙古霍煤鸿骏铝电有限责任公司 | Fluorine removal system for waste water generated by wet desulphurization of aluminum electrolysis flue gas |
| CN110787610A (en) * | 2019-12-14 | 2020-02-14 | 河南越尔环保科技有限公司 | Tail gas treatment device for calcining furnace |
| CN212121182U (en) * | 2020-04-01 | 2020-12-11 | 鄂尔多斯市蒙泰铝业有限责任公司 | Electrolytic aluminum waste residue comprehensive treatment station |
| CN113426796B (en) * | 2021-02-08 | 2023-02-28 | 吴正建 | Electrolytic aluminum overhaul slag, method for recycling overhaul slag leachate and application method of recycled materials |
| CN113828144A (en) * | 2021-09-27 | 2021-12-24 | 河南迎元环保设备制造有限公司 | Environment-friendly sodium bicarbonate dry-process desulfurization equipment and combination equipment thereof |
| CN216420617U (en) * | 2021-12-06 | 2022-05-03 | 内蒙古恒生环保科技有限公司 | Fluorine removal device for harmless treatment of aluminum ash |
| CN114349038B (en) * | 2022-01-07 | 2022-11-25 | 南通奥新电子科技有限公司 | Environment-friendly preparation equipment of nontoxic granular barium fluoride salt |
| CN115042346A (en) * | 2022-07-12 | 2022-09-13 | 江苏正之道材料科技有限公司 | Processing equipment and process for crushing and recycling waste composite fiber material |
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