CN115090605B - Silica micropowder pickling process and equipment - Google Patents
Silica micropowder pickling process and equipment Download PDFInfo
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- CN115090605B CN115090605B CN202210696040.9A CN202210696040A CN115090605B CN 115090605 B CN115090605 B CN 115090605B CN 202210696040 A CN202210696040 A CN 202210696040A CN 115090605 B CN115090605 B CN 115090605B
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- pickling
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- drying
- silica powder
- box
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- 238000005554 pickling Methods 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims description 105
- 239000000377 silicon dioxide Substances 0.000 title claims description 51
- 239000000843 powder Substances 0.000 claims abstract description 82
- 238000011010 flushing procedure Methods 0.000 claims abstract description 61
- 238000001035 drying Methods 0.000 claims abstract description 58
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 54
- 239000010703 silicon Substances 0.000 claims abstract description 54
- 239000012535 impurity Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 45
- 239000002253 acid Substances 0.000 claims description 43
- 229910021487 silica fume Inorganic materials 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 22
- 244000309464 bull Species 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007885 magnetic separation Methods 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 235000013312 flour Nutrition 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/007—Heating the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0258—Multiple lance high pressure cleaning station
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Silicon Compounds (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The application relates to a silicon micro powder pickling device which comprises a box body, wherein a pickling box, a flushing box and a drying box are arranged in the box body, a impurity removing component for pickling silicon micro powder is arranged on the pickling box, a flushing component for deacidifying the pickled silicon micro powder is arranged in the flushing box, a drying component for drying the deacidified silicon micro powder is arranged in the drying box, the pickling box is communicated with the flushing box, the flushing box is communicated with the drying box, the silicon micro powder can be directly flushed and dried after pickling is finished, and the transfer of the silicon micro powder between working procedures does not need manual operation. The application has the effect of reducing the labor intensity of workers.
Description
Technical Field
The application relates to the field of micro silicon powder, in particular to a silicon micro powder pickling process and equipment.
Background
The silicon micropowder is a powder which is processed by pure quartz powder (natural quartz or fused quartz) through multiple procedures of crushing, sorting, cleaning, acid treatment, high-temperature melting, medium crushing, fine grinding, grading, iron removal and the like and meets the requirements, and is widely used for coating, paint, adhesive, silicone rubber, precision casting, high-grade ceramic, epoxy resin potting material, insulating pouring of common electrical appliances and high-voltage components, plastic sealing material and potting material of integrated circuits, powder coating, welding rod protective layer, other resin filler and the like.
The content of SiO2 is a main standard for evaluating the quality of the silicon micropowder, and the silicon micropowder with the SiO2 content of less than 88% has little market. The silicon micropowder sold in the market has limited application fields due to the impurities such as metal oxide, free carbon and the like, so that the economic benefit of the product is low. If the impurity in the silicon micro powder is removed to improve the content of SiO2, the price of the silicon micro powder can be obviously improved, the application field of the silicon micro powder is expanded, the silicon micro powder has important significance for improving the economic benefit, the impurity removal work of the silicon micro powder is generally carried out by adopting the acid washing and magnetic separation modes for removing the impurity in the silicon micro powder, then the acid washing finished silicon micro powder is washed and deacidified, and finally the drying work is carried out.
In view of the above related art, the inventors have found that the technology has at least the following problems, most pickling apparatuses in the prior art generally have only a single function, and the silicon micropowder needs to be manually transferred from the previous process to the next process, so that the labor intensity of staff is high.
Disclosure of Invention
In order to reduce the labor intensity of workers, the application provides a silicon micropowder pickling process and equipment.
The application provides a silicon micropowder pickling process and equipment, which adopts the following technical scheme:
the utility model provides a silica fume pickling technology and equipment, includes the box, be provided with the pickling tank in the box, still offer on the pickling tank and be convenient for to the pickling tank add the inlet of acidizing fluid and be convenient for add the silica fume the first feed inlet of pickling tank, still offer on the pickling tank and be used for with the exit of acidizing fluid, the exit is provided with first solenoid valve, exit is provided with the first filter screen that is used for preventing silica fume along with the acidizing fluid, offer on the pickling tank by being convenient for will accomplish the first discharge gate that the silica fume of pickling is discharged, first discharge gate department is provided with the second solenoid valve, be provided with the edulcoration subassembly that is arranged in the pickling tank that is arranged in the impurity in the silica fume is got rid of, first discharge gate department links up and is used for the washing tank that the silica fume is accomplished the pickling, offer on the flushing tank and be used for with the second feed gate that the exit is used for acid liquor is discharged, be provided with in the exit is used for carrying out the silica fume washing subassembly that is arranged in the washing tank, be convenient for preventing that the silica fume from going out the exit is arranged in the second filter screen is arranged in the second discharge tank and is used for the exit is connected with the second discharge gate that is arranged for the dry, the dry filter screen is arranged at the exit is used for the second discharge port that is arranged on the second discharge gate that is used for accomplishing the dry, the dry filter screen is connected with the second discharge tank that is arranged at the exit that is used for being washed to be convenient for the exit to be used for the second. And a third discharge hole which is convenient for delivering the dried silica powder out of the drying box is also formed in the drying box.
By adopting the technical scheme, the silicon micro powder is directly subjected to the operations of pickling impurity removal, flushing deacidification and drying in the pickling tank, so that a worker is not required to transfer the silicon micro powder for many times, and the labor intensity of the worker is reduced.
Optionally, the edulcoration subassembly is including having magnetic first magnetic frame and being used for the drive first magnetic frame pivoted first driving motor, be provided with in the pickling tank with the pickling tank divide into the partition panel of two, first driving motor sets up one side of partition panel, first magnetic frame sets up the opposite side of partition panel, the symmetry is provided with first dead lever on the first magnetic frame outer fringe, one of them first dead lever with first driving motor's output shaft fixed connection, another first dead lever with pickling tank inner wall fixed connection.
Through adopting above-mentioned technical scheme, when the silica fume carries out the pickling, first driving motor drive first magnetic frame stirs the silica fume in the acidizing fluid, increases the area of contact between silica fume and the acidizing fluid to improve the removal rate of impurity, and first magnetic frame magnetism carries out the magnetic separation to the silica fume stirring when rotating, carries out the twice process when further improving the removal rate of impurity, makes the pickling more efficient.
Optionally, still be provided with the second magnetic frame that has magnetism in the pickling tank, the fixed second dead lever that is provided with in outer fringe department of second magnetic frame, the second magnetic frame passes through the second dead lever with first magnetic frame rotates to be connected, just the pivot of first magnetic frame with the pivot of second magnetic frame is mutually perpendicular, fixed first bevel gear that is provided with on the first dead lever, first magnetic frame is close to be provided with first mounting bracket on one side outer wall of first dead lever, wear to be equipped with first movable rod on the first mounting bracket, all fixed second bevel gear that is provided with on the both ends tip of first movable rod, still be provided with the second mounting bracket on the first magnetic frame, wear to be equipped with the second movable rod on the second mounting bracket, just the second movable rod with first movable rod is the perpendicular setting on same horizontal plane, the both ends tip of second movable rod is fixed and is provided with the third bevel gear, the second movable rod is kept away from on one side outer wall of first dead lever is provided with the second bevel gear, wherein the second bevel gear meshes with the fourth bevel gear, the second bevel gear meshes with the second bevel gear, wherein.
Through adopting above-mentioned technical scheme, set up the second magnetic frame, and the pivot of second magnetic frame and first magnetic frame is mutually perpendicular, and driving motor drives first magnetic frame and second magnetic frame simultaneously, has increased the area of magnetic separation, further makes the pickling more high-efficient.
Optionally, the flushing assembly is including setting up a plurality of shower heads that are used for washing the silica powder in the flushing tank with set up the puddler that is used for stirring the silica powder in the flushing tank, be provided with on the flushing tank and be used for the drive the third driving motor of puddler, even equidistance is provided with multi-disc flexible stirring leaf on the puddler, each the shower head evenly sets up on the flushing tank inner wall.
Through adopting above-mentioned technical scheme, adopt a plurality of shower heads to wash the silica fume, set up flexible stirring leaf simultaneously and stir the silica fume, promote the silica fume deacidification effect.
Optionally, the drying component is including rotating the bull stick that sets up in the drying cabinet and fixed setting be in on the bull stick and with the spiral leaf of drying cabinet adaptation, the output department of drying cabinet is provided with the heater and will the heat that the heater produced is sent into the air-blower in the drying cabinet, still be provided with in the box and be used for driving bull stick pivoted second driving motor.
By adopting the technical scheme, the silicon micropowder enters the drying box, is dried by heat sent into the drying box by the screw She Dasan and then sent out of the drying box along the screw leaves.
Optionally, the bull stick is provided with many, and each spiral She Jiaocuo sets up, each the fixed gear that sets up of tip of bull stick, and each gear intermeshing, the output shaft of second driving motor with one of them bull stick end connection.
Through adopting above-mentioned technical scheme, set up many bull sticks and the crisscross setting of spiral leaf on many bull sticks, grind the silica flour that accomplishes the pickling when drying the silica flour and sending out the drying cabinet, promote the fineness of silica flour, and adopt a driving motor to drive many bull sticks simultaneously, the energy utilization is high.
Optionally, the liquid inlet is evenly provided with a plurality of on the pickling tank, one side of the tank body is also provided with a boiler for heating the acid liquid, and the tank body is also internally provided with a liquid pump for guiding the hot acid liquid in the boiler into the pickling tank.
Through adopting above-mentioned technical scheme, increase a plurality of feed liquor mouthfuls uniformly, make the acidizing fluid can add the pickling case simultaneously from a plurality of regions, guarantee the homogeneity of each regional acidizing fluid temperature in the pickling incasement, simultaneously through the continuous replacement's of hot and cold acidizing fluid process, make the pickling process keep certain temperature to promote the efficiency and the quality of silica flour pickling, and then improve the removal rate to the impurity.
In a second aspect, a process and apparatus for pickling silica micropowder:
the method comprises the following steps:
step S1, starting the impurity removal assembly, the flushing assembly and the drying assembly, adding silicon micropowder into the pickling tank through the first feed inlet, introducing acid liquor into the pickling tank through the liquid inlet, and opening the first electromagnetic valve after the acid liquor is accumulated to a certain liquid level in the pickling tank;
step S2: after the pickling is finished, opening the second electromagnetic valve after the acid liquor in the pickling tank is emptied, so that the pickled silicon micro powder enters the flushing tank;
step S3: after the silicon micro powder enters the flushing box, closing the second electromagnetic valve and the first electromagnetic valve;
step S4: after the flushing is finished, closing the flushing assembly, simultaneously opening the third electromagnetic valve to discharge the wastewater in the flushing box, opening the fourth electromagnetic valve after the water in the flushing box is emptied, enabling the flushed silica powder to enter the drying box, and closing the fourth electromagnetic valve and starting the flushing assembly after the flushed silica powder enters the drying box;
and S5, finally discharging the dried silicon micro powder from the third discharge port.
By adopting the technical scheme, the impurity removing assembly, the flushing assembly and the drying assembly are started, the silicon micro powder is added into the pickling tank through the first feed inlet, the acid liquor is led into the pickling tank through the liquid inlet, the first electromagnetic valve is opened after the acid liquor is accumulated to a certain liquid level in the pickling tank, after the acid liquor is completely pickled, the second electromagnetic valve is opened after the acid liquor in the pickling tank is emptied, the pickled silicon micro powder enters the flushing tank, the second electromagnetic valve and the first electromagnetic valve are closed after the silicon micro powder enters the flushing tank, the flushing assembly is closed after the flushing is completed, the third electromagnetic valve is simultaneously opened to discharge the waste water in the flushing tank, the fourth electromagnetic valve is opened after the water in the flushing tank is emptied, the silicon micro powder after the flushing is completed enters the drying tank, the fourth electromagnetic valve is closed and the flushing assembly is started, and finally the dried silicon micro powder is discharged through the third discharge hole.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the impurity removing assembly, the flushing assembly and the drying assembly are arranged in the box body, so that the silicon micro powder can be directly flushed and dried after pickling is finished, and the transfer of the silicon micro powder between the working procedures does not need manual operation, so that the labor intensity of staff is reduced;
2. the boiler for heating the acid liquor is further arranged on one side of the box body, and the liquid pump for pumping the hot acid liquor into the pickling tank is further arranged in the box body and is matched with a liquid outlet arranged on the pickling tank, so that a closed-loop heating mode with uninterrupted circulation is formed. Through the continuous replacement process of cold and hot acid liquor, the pickling process is kept at a certain temperature, and the temperature uniformity of each area in the whole pickling tank is ensured, so that the pickling efficiency and quality of the silica micropowder are improved, and the impurity removal rate is further improved.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present application;
FIG. 2 is a schematic view of the structure of the impurity removing unit of the present application;
FIG. 3 is a schematic view of the flush assembly of the present application;
fig. 4 is a schematic view of the structure of the drying module of the present application.
Reference numerals illustrate: 1. a case; 2. a pickling tank; 3. a liquid inlet; 4. a first feed port; 5. a liquid outlet; 6. a first electromagnetic valve; 7. a first filter screen; 8. a first discharge port; 9. a second electromagnetic valve; 10. a decontamination assembly; 11. a flushing box; 12. a second feed inlet; 13. a flushing assembly; 14. a second discharge port; 15. a water outlet; 16. a third electromagnetic valve; 17. a fourth electromagnetic valve; 18. a second filter screen; 19. a drying box; 20. a third feed inlet; 21. a drying assembly; 22. a third discharge port; 23. a first magnetic frame; 24. a first driving motor; 25. a partition panel; 26. a first fixing rod; 27. a second magnetic frame; 28. a second fixing rod; 29. a first bevel gear; 30. a first mounting frame; 31. a first movable lever; 32. a second bevel gear; 33. a second mounting frame; 34. a second movable rod; 35. a third bevel gear; 36. a fourth bevel gear; 37. a spray header; 38. a stirring rod; 39. a third driving motor; 40. flexible stirring blades; 41. a rotating rod; 42. spiral leaves; 43. a heater; 44. a blower; 45. a gear; 46. a boiler; 47. a liquid pump; 48. and a second driving motor.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a silicon micropowder pickling process and equipment. Referring to fig. 1, a process and apparatus for pickling fine silica powder includes a tank 1, a pickling tank 2 for pickling fine silica powder, a washing tank 11 for deacidifying the fine silica powder after pickling, a drying tank 19 for drying the fine silica powder after washing, a boiler 46 for supplying hot acid solution into the pickling tank 2, a heater 43 for heating and a blower 44 for feeding heat into the drying tank 19 are provided in the tank 1.
Referring to fig. 1 and 2, a liquid pump 47 for pumping hot acid liquid in a boiler 46 into the pickling tank 2 is arranged on the pickling tank 2, a plurality of liquid inlets 3 for adding the acid liquid, a liquid outlet 5 for discharging the acid liquid out of the pickling tank 2, a first feed inlet 4 for adding the silica powder into the pickling tank 2, a first discharge outlet 8 for discharging the silica powder after pickling out of the pickling tank 2 are arranged on the pickling tank 2, a first filter screen 7 for avoiding the discharge of the silica powder along with the acid liquid is arranged at the liquid outlet 5, a first electromagnetic valve 6 is also arranged at the liquid outlet 5, a second electromagnetic valve 9 is arranged at the first discharge outlet 8, a impurity removing assembly 10 is also arranged in the pickling tank 2, the impurity removing assembly 10 comprises a first magnetic frame 23 and a first driving motor 24 with magnetism, a second magnetic frame 27 with magnetism is also arranged in the pickling tank 2, the first magnetic frame 23 is rotationally connected with the second magnetic frame 27, the rotating shaft of the first magnetic frame 23 is vertical to the rotating shaft of the second magnetic frame 27, a partition plate 25 for dividing the pickling tank 2 into two is also arranged in the pickling tank 2, the first driving motor 24 is arranged on one side of the partition plate 25, the first magnetic frame 23 and the second magnetic frame 27 are arranged on the other side of the partition plate 25, first fixing rods 26 are symmetrically arranged on the outer edge of the first magnetic frame 23, an output shaft of the first driving motor 24 penetrates through the partition plate 25 and is fixedly connected with one of the first fixing rods 26, the other first fixing rod 26 is fixedly connected on the inner wall of the pickling tank 2, second fixing rods 28 are symmetrically arranged on the outer edge of the second magnetic frame 27, the second magnetic frame 27 is rotationally connected with the first magnetic frame 23 through the second fixing rods 28, a first mounting frame 30 is fixedly arranged on the outer edge of the first magnetic frame 23 close to the first fixing rods 26, a first bevel gear 29 is fixedly provided on the first fixed bar 26. The first mounting frame 30 is provided with a first movable rod 31 in a penetrating manner, two ends of the first movable rod 31 are fixedly provided with second bevel gears 32, the first magnetic frame 23 is also provided with a second mounting frame 33, the second mounting frame 33 is provided with a second movable rod 34 which is perpendicular to the first movable rod 31 in a penetrating manner on the same horizontal plane, two end parts of the second movable rod 34 are fixedly provided with third bevel gears 35, the end part of the second fixed rod 28, which is far away from the second magnetic frame 27, is fixedly provided with a fourth bevel gear 36, the fourth bevel gear 36 is meshed with one of the third bevel gears 35, the other third bevel gear 35 is meshed with one of the second bevel gears 32, the other second bevel gear 32 is meshed with the first bevel gears 29, the first magnetic frame 23 and the second magnetic frame 27 are simultaneously driven to rotate by the first driving motor 24, the silicon micro powder in the acid liquid is stirred and simultaneously plays a role of magnetic separation, the acid liquid is heated in the boiler 46, pumped into the acid washing tank 2 by the liquid pump 47, discharged from the acid washing tank 2, re-heated, and the acid washing tank is re-heated, and a closed loop is formed in a continuous heating mode. Through the continuous replacement process of cold and hot acidizing fluid, make the pickling process keep certain temperature, and guarantee the temperature of each region in the whole pickling tank 2 even, thereby promote the efficiency and the quality of silica powder pickling, and then improve the removal rate to impurity, when using single inlet 3 to add the acidizing fluid after heating into the pickling tank, the acidizing fluid need flow all around from a region, not only efficiency is lower and the acidizing fluid can constantly consume at the in-process heat that flows, cause keeping away from inlet 3 regional temperature very much, temperature distribution is uneven in the whole pickling tank 2, evenly increase a plurality of inlet 3, make the acidizing fluid can add pickling tank 2 simultaneously from a plurality of regions, guarantee the homogeneity of each regional temperature, first magnetic frame 23 and second magnetic frame 27 can be neodymium iron boron magnet, ferrite magnet, alnico magnet etc..
Referring to fig. 1 and 3, a second feeding port 12 which is in butt joint with the first discharging port 8 is formed in the flushing tank 11, a second discharging port 14 which is convenient for discharging the silicon micro powder out of the flushing tank 11 is further arranged in the flushing tank 11, a fourth electromagnetic valve 17 is further arranged at the second discharging port 14, a flushing component 13 which is used for deacidifying the silicon micro powder which is finished by pickling is further arranged in the flushing tank 11, a water outlet 15 which is convenient for discharging the silicon micro powder which is finished by deacidifying is further formed in the flushing tank 11, a second filter screen 18 and a third electromagnetic valve 16 which are used for avoiding the discharge of the silicon micro powder along with water flow are arranged at the water outlet 15, the flushing component 13 comprises a plurality of spray heads 37 which are uniformly arranged in the flushing tank 11 and stirring rods 38 which are arranged in the flushing tank 11 and are used for stirring the silicon micro powder, a plurality of flexible stirring blades 40 are uniformly and equidistantly arranged on the stirring rods 38 are arranged on the flushing tank 11, the flexible stirring blades 40 are driven by the third driving motor 39 to stir the silicon micro powder in the tank 11, and the flushing component can be cylindrical.
Referring to fig. 1 and 4, the third feed inlet 20 that is in butt joint with the second discharge port 14 is provided on the drying box 19, still be provided with the drying component 21 that is used for washing the silica fume that finishes in the drying box 19, the drying component 21 is including rotating the bull stick 41 that sets up in the drying box 19 and the fixed spiral leaf 42 that sets up on bull stick 41, bull stick 41 is provided with many, spiral leaf 42 on many bull sticks 41 crisscross setting, still be provided with the second driving motor 48 that is used for driving bull stick 41 pivoted in the box 1, bull stick 41 drives spiral leaf 42 rotation when rotating, spiral leaf 42 will have the silica fume of second discharge port 14 output to break up when rotating and be convenient for dry, and grind the silica fume that finishes the pickling when sending out the drying box 19 with the silica fume, promote the fineness of silica fume, and the tip of each bull stick 41 is all fixedly provided with gear 45, and each gear 45 intermeshing, accomplish and drive many bull sticks 41 simultaneously, the utilization ratio of energy has been improved.
The implementation principle of the silicon micropowder pickling device provided by the embodiment of the application is as follows: when in use, the silicon micro powder is put into the pickling tank 2 through the first feed inlet 4, the liquid pump 47 is started to guide the hot acid liquid in the boiler 46 at one side of the tank 1 into the pickling tank 2, the first electromagnetic valve 6 is started after the acid liquid reaches a certain liquid level, the liquid level is kept, the first driving motor 24 is used for driving the first magnetic frame 23 and the second magnetic frame 27 to perform stirring acceleration reaction when the micro silicon powder in the acid liquid is pickled through the first magnetic frame 23 and the second magnetic frame 27, the first magnetic frame 23 and the second magnetic frame 27 have magnetism, the magnetic separation is performed during pickling, the liquid pump 47 is closed after the pickling is finished to drive the first electromagnetic valve 6 to be opened and closed so as to conveniently discharge the acid liquid, the second electromagnetic valve 9 is driven to be opened and closed so as to be convenient for conveying the silicon micro powder into the flushing tank 11 through the second feed inlet 12 from the first discharge port 8 after the acid liquid is emptied, the third driving motor 39 and the spray header 37 are started, the stirring rod 38 is driven by the third driving motor 39 to rotate, the flexible stirring blade 40 stirs the deacidified silica powder, the deacidification process is quickened, the third electromagnetic valve 16 is started to be opened and closed after the deacidification is finished, the fourth electromagnetic valve 17 is started again after the water is emptied, the washed silica powder is conveniently fed into the drying box 19 through the third feeding port 20, the second driving motor 48 is started to drive the rotating rod 41 to rotate, the spiral blade 42 is driven to rotate to break the silica powder, the heater 43 and the blower 44 are started, the blower 44 is used for feeding heat into the drying box 19 to dry the broken silica powder, and the silica powder is fed out of the third discharging port 22 when being dried.
Based on the above-mentioned silicon micropowder acid cleaning arrangement, the application also provides a silicon micropowder acid cleaning process, which comprises the following steps:
step S1, starting a impurity removal assembly 10, a flushing assembly 13 and a drying assembly 21, adding silicon micropowder into a pickling tank 2 through a first feed inlet 4, introducing acid liquor into the pickling tank 2 through a liquid inlet 3, and opening a first electromagnetic valve 6 after the acid liquor accumulates to a certain liquid level in the pickling tank 2;
step S2: after the pickling is finished, opening a second electromagnetic valve 9 after the acid liquor in the pickling tank 2 is emptied, so that the pickled silicon micro powder enters a flushing tank 11;
step S3: after the silicon micro powder enters the flushing box 11, the second electromagnetic valve 9 and the first electromagnetic valve 6 are closed;
step S4: after the flushing is finished, the flushing assembly 13 is closed, the third electromagnetic valve 16 is simultaneously opened to discharge the waste water in the flushing tank 11, the fourth electromagnetic valve 17 is opened after the water in the flushing tank 11 is emptied, so that the flushed silica powder enters the drying tank, and after the flushed silica powder enters the drying tank, the fourth electromagnetic valve 17 is closed and the flushing assembly 13 is started;
and S5, finally, discharging the dried silica powder from the third discharge hole 22.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. The utility model provides a silica powder pickling equipment, includes box (1), its characterized in that: the utility model discloses a washing machine, including pickling tank (2) that box (1) was provided with, still offer on pickling tank (2) be convenient for to pickling tank (2) add inlet (3) of acidizing fluid and be convenient for add the silica powder first feed inlet (4) of pickling tank (2), still offer on pickling tank (2) be used for with acidizing fluid exhaust liquid outlet (5), liquid outlet (5) department is provided with first solenoid valve (6), liquid outlet (5) department is provided with first filter screen (7) that are used for preventing that the silica powder from getting rid of along with the acidizing fluid, set up on pickling tank (2) by being convenient for with accomplish the first discharge gate (8) of the silica powder exhaust of pickling, first discharge gate (8) department is provided with second solenoid valve (9), be provided with in pickling tank (2) and be used for getting rid of impurity in the silica powder remove impurity, first discharge gate (8) department links up and is used for carrying out the silica powder that the pickling tank (11), be used for carrying out the washing component (12) and wash in the silica powder is accomplished to be provided with on flushing tank (11), the washing tank (11) is further provided with a second discharging hole (14) for discharging the washed silica powder from the washing tank (11) and a water outlet (15) for discharging the washed silica powder, the water outlet (15) is provided with a third electromagnetic valve (16), the second discharging hole (14) is provided with a fourth electromagnetic valve (17), the water outlet (15) is provided with a second filter screen (18) for preventing the silica powder from being discharged along with water flow, the second discharging hole (14) is connected with a drying box (19) for drying the washed silica powder, the drying box (19) is provided with a third feeding hole (20) for being in butt joint with the second discharging hole (14), a drying assembly (21) for drying the washed silica powder is further arranged in the drying box (19), the drying box (19) is further provided with a third discharging hole (22) for conveniently discharging the dried silica powder from the drying box (19), the second discharging hole (14) is connected with a second magnetic block motor (23) for driving a magnetic block (24) and a magnetic block (2) are arranged in the first magnetic block (2), the first magnetic frame (23) is arranged on the other side of the partition plate (25), first fixing rods (26) are symmetrically arranged on the outer edge of the first magnetic frame (23), one of the first fixing rods (26) is fixedly connected with an output shaft of the first driving motor (24), the other first fixing rod (26) is fixedly connected with the inner wall of the pickling tank (2), a second magnetic frame (27) with magnetism is further arranged in the pickling tank (2), a second fixing rod (28) is fixedly arranged on the outer edge of the second magnetic frame (27), the second magnetic frame (27) is rotatably connected with the first magnetic frame (23) through the second fixing rod (28), the rotating shaft of the first magnetic frame (23) is mutually perpendicular to the rotating shaft of the second magnetic frame (27), a first bevel gear (29) is fixedly arranged on the first fixing rod (26), a second movable mounting frame (33) is arranged on the outer edge of the first magnetic frame (23), a first movable mounting frame (30) is further arranged on the second movable mounting frame (30), two ends (31) are movably mounted on the first movable mounting frame (30), and second movable rod (34) with first movable rod (31) are the perpendicular setting on same horizontal plane, the both ends tip of second movable rod (34) are all fixed and are provided with third bevel gear (35), second dead lever (28) keep away from the tip department of second magnetic frame (27) is fixed and are provided with fourth bevel gear (36), fourth bevel gear (36) with one of them third bevel gear (35) meshing, another third bevel gear (35) with one of them second bevel gear (32) meshing, another second bevel gear (32) with first bevel gear (29) meshing.
2. The silica fume pickling apparatus according to claim 1, characterized in that: the washing assembly (13) comprises a plurality of spray heads (37) arranged in the washing box (11) and used for washing silica powder, and stirring rods (38) arranged in the washing box (11) and used for stirring the silica powder, a third driving motor (39) used for driving the stirring rods (38) is arranged on the washing box (11), a plurality of flexible stirring blades (40) are uniformly and equidistantly arranged on the stirring rods (38), and the spray heads (37) are uniformly arranged on the inner wall of the washing box (11).
3. A silica fume pickling apparatus according to claim 2 characterised in that: drying component (21) are including rotating setting up bull stick (41) in drying cabinet (19) and fixed setting are in on bull stick (41) and with helical blade (42) of drying cabinet (19) adaptation, the output department of drying cabinet (19) is provided with heater (43) and will the heat that heater (43) produced is sent into air-blower (44) in drying cabinet (19), still be provided with in box (1) and be used for the drive bull stick (41) pivoted second driving motor (48).
4. A silica fume pickling apparatus according to claim 3 characterised in that: the rotary rods (41) are provided with a plurality of spiral blades (42) in a staggered mode, gears (45) are fixedly arranged at the end portions of the rotary rods (41), the gears (45) are meshed with each other, and an output shaft of the second driving motor (48) is connected with one of the end portions of the rotary rods (41).
5. The silica fume acid cleaning apparatus according to claim 4, wherein: the pickling tank is characterized in that the liquid inlet (3) is uniformly formed in the pickling tank (2) and is provided with a plurality of boilers (46) for heating acid liquid on one side of the tank body (1), and a liquid drawing pump (47) for guiding the hot acid liquid in the boilers (46) into the pickling tank (2) is further arranged in the tank body (1).
6. An acid cleaning process using the fine silica powder acid cleaning apparatus according to any one of claims 1 to 5, characterized by comprising the steps of:
step S1, starting a impurity removal assembly (10), a flushing assembly (13) and a drying assembly (21), adding silicon micropowder into the pickling tank (2) through the first feed inlet (4), introducing acid liquor into the pickling tank (2) through the liquid inlet (3), and opening a first electromagnetic valve (6) after the acid liquor accumulates in the pickling tank (2) to a certain liquid level;
step S2: after the pickling is finished, opening the second electromagnetic valve (9) after the acid liquor in the pickling tank (2) is emptied, so that the pickled silicon micro powder enters the flushing tank (11);
step S3: after the silicon micro powder enters the flushing box (11), the second electromagnetic valve (9) and the first electromagnetic valve (6) are closed;
step S4: after the flushing is finished, closing the flushing assembly (13) and simultaneously opening the third electromagnetic valve (16) to discharge the wastewater in the flushing tank (11), opening the fourth electromagnetic valve (17) after the water in the flushing tank (11) is emptied, enabling the flushed silica powder to enter the drying tank (19), and closing the fourth electromagnetic valve (17) and starting the flushing assembly (13) after the flushed silica powder enters the drying tank (19);
and S5, finally discharging the dried silica powder from the third discharge port (22).
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| CN202210696040.9A CN115090605B (en) | 2022-06-20 | 2022-06-20 | Silica micropowder pickling process and equipment |
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Denomination of invention: A silicon micro powder pickling process and equipment Granted publication date: 20231020 Pledgee: Zhejiang Nanxun Rural Commercial Bank branch Linghu Limited by Share Ltd. Pledgor: Huzhou Baojie New Materials Co.,Ltd. Registration number: Y2024330000711 |
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