CN115487908B - High-purity silicon micropowder drying and purifying device with turning structure - Google Patents
High-purity silicon micropowder drying and purifying device with turning structure Download PDFInfo
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- CN115487908B CN115487908B CN202211105518.2A CN202211105518A CN115487908B CN 115487908 B CN115487908 B CN 115487908B CN 202211105518 A CN202211105518 A CN 202211105518A CN 115487908 B CN115487908 B CN 115487908B
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- 238000001035 drying Methods 0.000 title claims abstract description 115
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title abstract description 76
- 229910052710 silicon Inorganic materials 0.000 title abstract description 75
- 239000010703 silicon Substances 0.000 title abstract description 75
- 239000000463 material Substances 0.000 claims abstract description 86
- 239000000843 powder Substances 0.000 claims abstract description 72
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 26
- 238000012216 screening Methods 0.000 claims abstract description 19
- 238000000227 grinding Methods 0.000 claims description 70
- 238000004140 cleaning Methods 0.000 claims description 44
- 239000012535 impurity Substances 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 13
- 239000002994 raw material Substances 0.000 description 53
- 238000000034 method Methods 0.000 description 39
- 230000008569 process Effects 0.000 description 37
- 230000009471 action Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 239000002245 particle Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 229910021487 silica fume Inorganic materials 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B08B1/20—
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- 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
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention provides a high-purity silica powder drying and purifying device with a turning structure, which comprises a first mounting frame, wherein a screen material cylinder is arranged at the upper end of the first mounting frame, the screen material cylinder can rotate around the axis of the first mounting frame, a screen hole is formed in the surface of the screen material cylinder, a feeding pipeline is arranged at the first end of the screen material cylinder, a drying material cylinder is fixedly connected to the inner wall of the screen material cylinder, the first end of the drying material cylinder is fixedly connected with the inner wall of the first end of the screen material cylinder, the drying material cylinder is communicated with the feeding pipeline, the second end of the drying material cylinder extends towards the second end of the screen material cylinder, a gap is formed between the second end of the drying material cylinder and the second end of the drying material cylinder, a first shoveling plate is fixedly connected to the inner wall of the screen material cylinder, and a second shoveling plate is fixedly connected to the inner wall of the screen material cylinder. The invention solves the problems of continuous drying and screening of the silicon micropowder and improves the processing efficiency.
Description
Technical Field
The invention relates to the technical field of drying equipment, in particular to a high-purity silicon micropowder drying and purifying device with a turning structure.
Background
The silicon micropowder is prepared from quartz by crushing, grinding and other processes, has high heat conductivity, is acid-resistant and corrosion-resistant, and is widely applied to the fields of electronic circuits, architectural decoration, national defense and the like; the silicon micropowder is required to be dried and ground in the processing process, and agglomerated silicon micropowder particles are crushed and dried, so that the number of large particles in the silicon micropowder is reduced, partial impurities are removed, and the production quality is ensured.
The patent literature publication number is: CN214665753U discloses a drying device for silica micropowder, which is characterized in that a vertical first drying oven and a vertical second drying oven are arranged, a stirring shaft arranged vertically is driven by a stirring motor to break up and dry silica micropowder in the first drying oven and the second drying oven, the silica micropowder can be dried and sieved, and coarse silica micropowder which does not meet the quality requirement can be discharged from a discharge port; above-mentioned scheme in the middle of the silica fume carry out the drying in vertical first drying cabinet and second drying cabinet, and its volume of handling silica fume is effective, and excessive silica fume enters into in first drying cabinet and the second drying cabinet, can produce the jam, influences dry effect to influence the efficiency of unloading, actual processing's efficiency is lower, is not suitable for industrial production.
The patent literature publication number is: CN215063413U discloses a silica powder drying device, which drives silica powder to stir in a drying cylinder horizontally arranged by controlling the drying cylinder to rotate, and a heating rod emits heat in the stirring process; the drying of the silica powder is completed in the process of continuously stirring the drying cylinder; after drying is finished, stopping the rotation of the drying cylinder, and discharging the silicon micro powder to realize the whole operation process; among the above-mentioned scheme, wherein the silica fume can dry in the dry section of thick bamboo of level setting, and wherein the silica fume in the dry section of thick bamboo all need open the barrel after drying at every turn, add the silica fume of waiting to dry again, and machining efficiency to the silica fume is also lower.
Disclosure of Invention
Aiming at the problems, the invention provides a high-purity silicon micro powder drying and purifying device with a turning structure, which solves the problems of continuous drying and screening of silicon micro powder and improves the processing efficiency.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a high-purity silica powder drying purification device with turn over material structure, includes first mounting bracket, the screen feed cylinder is installed to first mounting bracket upper end, the screen feed cylinder can rotate around self axis, screen mesh has been opened on the screen feed cylinder surface, feed pipe is installed to the first end of screen feed cylinder, screen feed cylinder inner wall fixedly connected with dries by fire the feed cylinder, dry by fire the first end of feed cylinder with the first end inner wall fixed connection of screen feed cylinder, just, dry by fire the feed cylinder with feed pipe intercommunication, dry by fire the feed cylinder second end towards screen feed cylinder second end direction extends, and have the clearance between the two, dry by fire the first shoveling plate of feed cylinder inner wall fixedly connected with, screen feed cylinder inner wall fixedly connected with second shoveling plate, first shoveling plate and second shoveling plate all slope set up, form the pay-off passageway between feed pipe, dry by fire feed cylinder and the feed cylinder, dry by fire the feed cylinder first end outer wall open have with grind the feed opening of spheroid adaptation.
Preferably, the material drying cylinder inner wall fixedly connected with a plurality of first magnetic parts of group, first magnetic parts extends along material drying cylinder axis direction, first magnetic parts and grinding spheroid magnetic attraction can take the grinding spheroid to higher position through setting up above-mentioned part, lets the grinding spheroid that drops can carry out bigger impact to the material that dries by the fire in the material drying cylinder, strengthens the grinding effect, strengthens the drying effect.
Preferably, the first mounting bracket lateral wall fixedly connected with collects the box, collect the box be located screen cylinder below and with the feed opening position corresponds, screen cylinder one side is equipped with the conveying equipment who is used for carrying grinding ball, conveying equipment is including the vertical transport cylinder of placing, transport cylinder inner wall rotates and is connected with first screw conveyor blade, transport cylinder upper end is equipped with the first electrical system of drive first screw conveyor blade pivoted, the bottom and the collection box intercommunication of transport cylinder, the upper end intercommunication of transport cylinder is used for carrying spheroidal unloading passageway, can carry grinding ball and the great material of size to the stoving feed cylinder again through setting up above-mentioned part in, has improved the automation rate of equipment, has improved efficiency.
Preferably, the screen cylinder lower extreme is equipped with the second mounting bracket, two stock guide of second mounting bracket upper end fixedly connected with, the stock guide slope sets up, two the stock guide is located screen mesh below of screen cylinder, install the edulcoration device that is located the stock guide below on the second mounting bracket, can get rid of the magnetic impurity in the silica powder through edulcoration device, improve the quality of silica powder.
Preferably, the impurity removing device comprises a cleaning roller, the cleaning roller is rotationally connected with the second mounting frame, the cleaning roller is positioned below the guide plate, a plurality of groups of electromagnets are arranged in the cleaning roller, the electromagnets are provided with conductive brushes, the upper end of the second mounting frame is fixedly connected with an arc-shaped conductive sheet, the conductive sheet is externally connected with a power supply, and the conductive sheet is matched with the conductive brushes.
Preferably, the clearance mounting bracket is fixedly connected with to second mounting bracket upper end, clearance mounting bracket lateral wall rotates and is connected with reciprocating screw, reciprocating screw overcoat is equipped with the lead screw cover with clearance mounting bracket sliding connection, lead screw cover lateral wall fixedly connected with clearance board, the clearance board is embedded to be equipped with grinding spheroid complex second magnetic part.
Preferably, a third mounting frame is mounted on one side of the feeding pipeline, pretreatment equipment is arranged at the upper end of the third mounting frame and comprises a pretreatment box, the upper end of the pretreatment box is fixedly connected with a feed hopper, the lower end of the pretreatment box is communicated with the feeding pipeline through a blanking pipeline, two grinding rollers are rotationally connected to the pretreatment box, and a second electric control system for driving the two grinding rollers to rotate is arranged on the third mounting frame.
Preferably, a second bolt conveying blade is arranged in the feeding pipeline, and a third electric control system for driving the second bolt conveying blade to rotate is arranged on the third mounting frame.
Preferably, the side wall of the feeding pipeline is communicated with a negative pressure pipe, the negative pressure pipe is externally connected with negative pressure equipment, an air duct is arranged at the second end of the screen material cylinder, and the tail end of the air duct penetrates through the screen material cylinder and extends to one side of the drying material cylinder.
Preferably, the upper end of the first mounting frame is rotatably connected with a plurality of supporting rollers for supporting the screen material cylinder, a fourth electric control system is arranged on the side wall of the first mounting frame, and the fourth electric control system drives the supporting rollers to rotate through the belt conveying mechanism.
The beneficial effects of the invention are as follows:
1. compared with the prior art, through setting up parts such as a sieve feed cylinder, a second shoveling plate, a drying feed cylinder, a first shoveling plate, and the like, materials in the sieve feed cylinder and the drying feed cylinder can move directionally in the process of rotating the sieve feed cylinder and the drying feed cylinder, and can move from one end of a feed pipeline to one end of an air duct in the drying feed cylinder, and can move from one end of the air duct to one end of a blanking port in the sieve feed cylinder, grinding, drying and filtering are sequentially completed in the process, so that automatic drying processing of the silicon micropowder is realized, and the efficiency of producing the silicon micropowder is improved; through setting up grinding ball body can make the silica flour accomplish the grinding in the middle of the removal in screen cylinder and the stoving feed cylinder, through setting up negative pressure pipe and air duct, wherein dry gas can enter into the stoving feed cylinder from the air duct in to discharge from negative pressure pipe, realize the drying to the material in the stoving feed cylinder, realized grinding dry synchronous processing, guaranteed production efficiency.
2. The screened silicon micro powder raw material falls on the upper ends of the two guide plates and falls under the action of gravity, wherein the screened silicon micro powder raw material passes through one side of the cleaning roller, and magnetic impurities in the silicon micro powder raw material can be separated under the action of the electromagnet, so that the process of purifying the silicon micro powder raw material is realized; and in the process, impurities on the surface of the cleaning roller can be cleaned by arranging the conducting strips and the cleaning strips, so that an automatic continuous impurity removal process is realized, and the purification and processing efficiency is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic elevational view of the structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the structure of FIG. 1 according to the present invention;
FIG. 4 is a schematic side view of the structure of FIG. 1 in accordance with the present invention;
FIG. 5 is a schematic view of the cross-sectional structure of the line A-A of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic view of the internal structure of the cleaning roller of the present invention;
FIG. 7 is a schematic view of the interior construction of a screen cylinder and a dryer cylinder according to the present invention;
fig. 8 is a schematic diagram of the front view of fig. 7 according to the present invention.
In the figure: 1. a first mounting frame; 101. a supporting roller; 102. a belt conveying mechanism; 103. a fourth electronic control system; 2. a second mounting frame; 201. cleaning a roller; 2011. an electromagnet; 2012. a conductive sheet; 2013. cleaning the strip; 202. a material guide plate; 2031. cleaning the mounting frame; 2032. a reciprocating screw; 2033. a screw sleeve; 3. a third mounting frame; 301. a feed hopper; 302. a pretreatment cartridge; 303. a grinding roller; 304. a blanking pipeline; 305. a second electronic control system; 4. a conveying device; 401. a collection box; 402. a delivery cylinder; 403. a blanking channel; 404. a first electronic control system; 5. a screen cylinder; 501. a second shoveling plate; 502. an air duct; 503. a feed conduit; 5031. a negative pressure pipe; 5032. a second bolt conveying blade; 5033. a third electronic control system; 504. a feed opening; 505. a sieve pore; 6. a material drying cylinder; 601. a first shoveling plate; 7. grinding the sphere.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Referring to fig. 1-8, a high-purity silica powder drying and purifying device with a turning structure comprises a first mounting frame 1, wherein a screen charging barrel 5 is arranged at the upper end of the first mounting frame 1, the screen charging barrel 5 can rotate around the axis of the first mounting frame, a screen hole 505 is formed in the surface of the screen charging barrel 5, silica powder can be screened through the screen hole 505, silica powder with smaller size and meeting requirements can be screened out from the screen hole 505 and falls to the lower part, and silica powder particles with larger size are reserved in the screen charging barrel 5, so that screening of the silica powder can be realized; the feeding pipeline 503 is installed to the first end of sieve feed cylinder 5, and the first end of sieve feed cylinder 5 inner wall fixedly connected with dries by fire feed cylinder 6, dries by fire feed cylinder 6 and the first end inner wall fixedly connected of sieve feed cylinder 5, dries by fire feed cylinder 6 and feeding pipeline 503 intercommunication, and wherein the raw materials can get into from feeding pipeline 503, enter into and dry by fire in the feed cylinder 6 and dry, get rid of unnecessary moisture in the raw materials.
The second end of the drying cylinder 6 extends towards the second end of the screening cylinder 5, a gap is formed between the second end of the drying cylinder and the second end of the screening cylinder, a first shoveling plate 601 is fixedly connected to the inner wall of the drying cylinder 6, a second shoveling plate 501 is fixedly connected to the inner wall of the screening cylinder 5, the first shoveling plate 601 and the second shoveling plate 501 are both obliquely arranged, the directions of the obliquely arranged second shoveling plate 501 and the obliquely arranged first shoveling plate 601 are opposite, the drying cylinder 6 can be driven to synchronously rotate by the screening cylinder 5 in the rotating process, a preset gap is formed between the second end of the drying cylinder 6 and the second end of the screening cylinder 5, raw materials in the drying cylinder 6 can fall into the screening cylinder 5 from the gap, raw materials are conveyed, and the raw materials dried in the drying cylinder 6 can be screened after falling into the screening cylinder 5; through setting up in the screen cloth section of thick bamboo 5 and drying the feed cylinder 6, the material can be dried in drying the feed cylinder 6 to the material after the stoving can enter into in the screen cloth section of thick bamboo 5 in succession, obtains the screening, and whole process is automatic goes on in succession, need not to shut down and waits, can improve the machining efficiency to the silica powder, improves the productivity effect.
A feeding channel is formed among the feeding pipeline 503, the drying cylinder 6 and the screen cylinder 5, a grinding ball 7 is placed in the feeding channel, a discharging opening 504 matched with the grinding ball 7 is formed in the outer wall of the first end of the screen cylinder 5, the grinding ball 7 and raw materials can move in a directional manner in the feeding channel, wherein in the rotating process of the screen cylinder 5 and the drying cylinder 6, the grinding ball 7 and the raw materials can rotate to a specific height on one side of the inner wall under the action of force, and then fall on the inner wall of the screen cylinder 5 or the drying cylinder 6 under the action of gravity; in the process, the grinding ball 7 can squeeze the materials mixed together to realize squeezing and crushing; in the process, the raw materials can be extruded while being dried in the drying cylinder 6, so that the processing efficiency is improved, and compared with the traditional sequential processing mode, the scheme can combine the two processing steps, extrude the raw materials into smaller particles, can increase the drying area, is beneficial to drying, has less water in the dried raw materials, and can strengthen the extrusion effect; here, the hot air dried can be conveyed into the drying cylinder 6 to dry the raw materials in the drying cylinder 6; a heating chamber for heating can be formed outside the drying cylinder 6, so that the raw materials in the drying cylinder 6 can be dried.
A plurality of groups of first magnetic components are fixedly connected to the inner wall of the drying cylinder 6, the first magnetic components extend along the axial direction of the drying cylinder 6 and are magnetically attracted with the grinding ball body 7, wherein the first magnetic components can be permanent magnets which are embedded into the inner wall of the drying cylinder 6, the grinding ball body 7 is made of iron materials, the drying cylinder 6 can drive the grinding ball body 7 to a certain height in the rotating process, and the grinding ball body 7 can drop under the action of gravity after reaching a certain height, so as to smash the silicon micro powder raw materials in the drying cylinder 6, thereby realizing grinding of the silicon micro powder raw materials; wherein through setting up first magnetic part, can attract grinding spheroid 7, under the effect of magnetic force, can drive grinding spheroid 7 and remove to higher position, grinding spheroid 7 falls the back from higher position, can produce bigger impact to the raw materials in the stoving feed cylinder 6, realizes better crushing effect.
The collecting box 401 is fixedly connected to the side wall of the first mounting frame 1, the collecting box 401 is located below the screen charging barrel 5 and corresponds to the position of the blanking opening 504, a conveying device 4 for conveying the grinding balls 7 is arranged on one side of the screen charging barrel 5, the grinding balls 7 and the silicon micro powder materials with larger sizes can fall from the blanking opening 504 and enter the collecting box 401 to be collected, the inner bottom of the collecting box 401 inclines, the materials can move towards one side of the conveying device, the grinding balls 7 and the materials in the collecting box 401 can be conveyed through the conveying device and are conveyed into the drying charging barrel 6 again, the circulation process is realized, the grinding balls 7 are conveyed in a circulation mode, the grinding effect of the silicon micro powder materials in the screen charging barrel 5 and the drying charging barrel 6 can be guaranteed, reprocessing and yield improvement can be realized through conveying the silicon micro powder materials with larger sizes;
referring to fig. 5, the conveying apparatus 4 includes a vertically disposed conveying cylinder 402, a first spiral conveying blade is rotatably connected to an inner wall of the conveying cylinder 402, a first electric control system 404 for driving the first spiral conveying blade to rotate is disposed at an upper end of the conveying cylinder 402, a bottom end of the conveying cylinder 402 is communicated with the collecting box 401, an upper end of the conveying cylinder 402 is communicated with a discharging channel 403 for conveying balls, the first spiral conveying blade can be driven to rotate by the first electric control system 404, and the first spiral conveying blade can convey the grinding balls 7 and the silicon powder materials in the collecting box 401 in a rotating process, and can fall into the feeding channel 503 again under the action of gravity to realize a circulation process.
The second installation frame 2 is arranged at the lower end of the screen charging barrel 5, two guide plates 202 are fixedly connected to the upper end of the second installation frame 2, the guide plates 202 are obliquely arranged, the two guide plates 202 are located below the screen holes 505 of the screen charging barrel 5, the impurity removing device located below the guide plates 202 is installed on the second installation frame 2, the two second installation frames 2 are obliquely arranged, the cross section is in an inverted-V shape, collection of screened silicon micro powder materials can be achieved, the silicon micro powder materials can move along the guide plates 202, the silicon micro powder materials move to one side of the impurity removing device, magnetic impurities in the silicon micro powder materials can be cleaned through the impurity removing device, and the purifying process is achieved.
Referring to fig. 5 and 6, the impurity removing device includes a cleaning roller 201, the cleaning roller 201 is rotationally connected with a second mounting frame 2, the cleaning roller 201 is located below a material guiding plate 202, a plurality of groups of electromagnets 2011 are arranged in the cleaning roller 201, the electromagnets 2011 are provided with conductive brushes, the upper end of the second mounting frame 2 is fixedly connected with an arc-shaped conductive sheet 2012, the conductive sheet 2012 is externally connected with a power supply, the conductive sheet 2012 is adapted to the conductive brushes, the conductive brushes at two ends of the cleaning roller 201 can be intermittently contacted with the conductive sheet 2012 in the process of rotation, specifically, when the electromagnets 2011 rotate to be close to the lower end of the material guiding plate 202, the conductive brushes are contacted with the conductive sheet 2012, the electromagnets 2011 are in a conductive state, and attraction of magnetic impurities in a silicon micropowder material can be realized through the electromagnets, so that the silicon micropowder material is separated from the silicon micropowder material; and when the electromagnet 2011 in the cleaning roller 201 rotates to the side far away from the stock guide 202, the electric conduction brush is separated from the conductive sheet 2012, the electric conduction brush can be in a power-off state, magnetism disappears, magnetic impurities fall off, a separation process is realized, the cleaning effect on the magnetic impurities on the surface of the cleaning roller 201 can be enhanced by the cleaning strip 2013 on one side, the subsequent adsorption efficiency is ensured, continuous cleaning is realized in the process of rotating the cleaning roller 201, and the purification efficiency is ensured.
The upper end of the second installation frame 2 is fixedly connected with a cleaning installation frame 2031, the side wall of the cleaning installation frame 2031 is rotationally connected with a reciprocating screw 2032, a screw sleeve 2033 which is in sliding connection with the cleaning installation frame 2031 is sleeved outside the reciprocating screw 2032, the side wall of the screw sleeve 2033 is fixedly connected with a cleaning plate, a second magnetic component which is matched with the grinding ball 7 is embedded in the cleaning plate, a driving component which drives the reciprocating screw 2032 to rotate is arranged on the second installation frame 2, the reciprocating screw 2032 can be driven to reciprocate in the rotating process of the reciprocating screw 2032, the cleaning plate on one side of the screw sleeve 2033 can clean sieve holes 505 on the surface of the sieve cylinder 5, the silicon micropowder materials blocked in the sieve holes 505 are cleaned, and the smoothness of the sieve holes 505 is ensured; the second magnetic component is arranged in the cleaning plate and is consistent with the first magnetic component in function, and the grinding ball 7 can be driven to reach a higher height, so that larger impact is generated on the internal silicon micropowder, and the grinding effect is enhanced; here, the screen cylinder 5 and the drying cylinder 6 may be made of non-magnetic materials, so that the grinding balls 7 can be normally kept at a higher height.
A third mounting frame 3 is mounted on one side of the feeding pipeline 503, pretreatment equipment is arranged at the upper end of the third mounting frame 3 and comprises a pretreatment box 302, the upper end of the pretreatment box 302 is fixedly connected with a feed hopper 301, the lower end of the pretreatment box 302 is communicated with the feeding pipeline 503 through a discharging pipeline 304, two grinding rollers 303 are rotationally connected in the pretreatment box 302, a second electric control system 305 for driving the two grinding rollers 303 to rotate is arranged on the third mounting frame 3, original silicon micro powder raw materials can enter the pretreatment box 302 through the feed hopper 301, and the two second electric control systems 305 can carry out primary grinding on the silicon micro powder raw materials in the process of driving the two grinding rollers 303 to rotate, so that the size of the silicon micro powder raw materials is reduced, and the drying and crushing effects in the drying cylinder 6 are ensured.
The second bolt conveying blade 5032 is arranged in the feeding pipeline 503, a third electric control system 5033 for driving the second bolt conveying blade 5032 to rotate is arranged on the third mounting frame 3, the second bolt conveying blade 5032 can be driven to rotate through the third electric control system 5033, and the grinding ball 7 and the silicon micropowder raw material in the feeding pipeline 503 can be driven to directionally move in the process of the rotation of the second bolt conveying blade 5032, so that the feeding process is completed.
The negative pressure pipe 5031 is communicated with the side wall of the feeding pipeline 503, the negative pressure pipe 5031 is externally connected with negative pressure equipment, the air duct 502 is arranged at the second end of the screen material cylinder 5, the tail end of the air duct 502 penetrates through the screen material cylinder 5 and extends to one side of the drying material cylinder 6, dry hot air can be input from one side of the air duct 502, under the action of negative pressure, the dry air can sequentially pass through the air duct 502, the drying material cylinder 6 and finally be discharged from the negative pressure pipe 5031, and the silicon micropowder raw material in the drying material cylinder 6 can be subjected to the drying process under the action of the dry air.
The upper end of the first installation frame 1 is rotationally connected with a plurality of supporting rollers 101 used for supporting the screen material cylinder 5, the side wall of the first installation frame 1 is provided with a fourth electric control system 103, the fourth electric control system 103 drives the supporting rollers 101 to rotate through the belt conveying mechanism 102, the supporting rollers 101 are driven to rotate through the fourth electric control system 103, the screen material cylinder 5 is driven to rotate, the driving process is completed, and the feeding pipeline 503 and the air duct 502 are rotationally connected with the screen material cylinder 5, so that the normal entering of materials and the normal working of equipment are guaranteed.
In the invention, when the silicon micro powder raw material is required to be ground, firstly, the silicon micro powder raw material is put into the pretreatment box 302 through the feed hopper 301, the two grinding rollers 303 are driven to rotate through the second electric control system 305, the silicon micro powder raw material falls between the two grinding rollers 303, the two grinding rollers 303 can extrude the silicon micro powder raw material in the rotating process, and silicon micro powder particles with larger size can be extruded into silicon micro powder particles with smaller size, so that the subsequent processing and drying processes are facilitated, wherein the silicon micro powder extruded by the pretreatment box 302 falls into the feed pipeline 503 from the blanking pipeline 304.
The silicon micropowder particles falling into the feed pipe 503 can realize directional conveying under the rotation of the negative pressure pipe 5031, wherein the silicon micropowder is conveyed into the drying cylinder 6; under the control of the belt conveying mechanism 102 and the fourth electric control system 103, the screen material cylinder 5 can drive the drying material cylinder 6 to synchronously rotate, and as the second shoveling plate 501 and the first shoveling plate 601 are respectively arranged in the screen material cylinder 5 and the drying material cylinder 6, the silicon micropowder particles in the screen material cylinder 5 and the drying material cylinder 6 can directionally move along with the rotation of the screen material cylinder 5 and the drying material cylinder 6 in the rotating process; wherein the fine silica powder in the drying cylinder 6 can be moved from the end near the feed pipe 503 to the end of the air duct 502, and the fine silica powder dropped in the screen cylinder 5 can be moved from the end of the air duct 502 to the end of the discharge opening 504.
The negative pressure pipe 5031 is externally connected with negative pressure equipment, dry gas is input from the gas guide pipe 502, the tail end of the gas guide pipe 502 extends to one side of the drying cylinder 6, the dry gas can move from one end of the gas guide pipe 502 to one end of the feeding pipeline 503 under the action of negative pressure, the dry gas can dry the silicon micro powder raw material in the drying cylinder 6 in the moving process of the drying cylinder 6, redundant moisture is removed, and the silicon micro powder raw material can be ground and screened later.
The drying cylinder 6 is rotated, and the grinding sphere 7 arranged inside the drying cylinder can synchronously move along with the silicon micro powder raw material, wherein the silicon micro powder raw material and the grinding sphere 7 can be driven to a certain height by the rotating drying cylinder 6, and then fall under the action of gravity after reaching a certain height, so that the silicon micro powder raw material can be extruded and ground by the grinding sphere 7 in the advancing process, the silicon micro powder raw material can be dried, the grinding process of the silicon micro powder raw material can be realized, the size of the silicon micro powder raw material is reduced, and the subsequent screening process can be facilitated.
When the materials in the drying cylinder 6 rotate to the side close to the air duct 502, the materials can fall on the inner side wall of the screen cylinder 5, wherein the falling silicon micro powder raw materials can directionally move and pass through the sieve holes 505 on the surface of the screen cylinder 5, the silicon micro powder raw materials with smaller size and meeting the requirements can be screened from the sieve holes 505 and fall above the guide plate 202, and the screening process of the silicon micro powder raw materials is realized; wherein the grinding ball 7 and the silicon micropowder raw materials with larger size are discharged from the discharging opening 504 and fall into the collecting box 401 below to be collected, so that classification of the grinding ball 7 and the silicon micropowder raw materials is realized; in the above process, when the grinding ball 7 falls onto the screen cylinder 5 from the drying cylinder 6, the grinding ball 7 can generate a certain impact on the screen cylinder 5, so that the screen cylinder 5 can generate a small vibration, and the silicon micro powder raw material in the sieve holes 505 can fall onto the guide plate 202 under the action of the force, thereby accelerating the screening process of the silicon micro powder raw material.
The bottom end of the collecting box 401 is obliquely arranged, wherein the balls falling in the collecting box 401 and the silicon micro powder raw materials with larger size can enter the conveying cylinder 402, the first electric control system 404 drives the first spiral conveying blade in the conveying cylinder 402 to rotate, the grinding balls 7 and the silicon micro powder raw materials with larger size can be conveyed to one side of the blanking channel 403 under the action of the first spiral conveying blade, and due to the oblique arrangement of the blanking channel 403, the grinding balls 7 and the silicon micro powder with larger size can fall into the feeding channel 503 from the blanking channel 403, and the grinding balls and the silicon micro powder raw materials with larger size are driven to enter the drying cylinder 6 again under the rotation of the second bolt conveying blade 5032 in the feeding channel 503, so that the grinding and drying processes are finished again, the automatic conveying of the grinding balls 7 is realized, and the degree of automation is improved.
The obtained screened silicon micro powder raw material falls on the upper end of the guide plate 202, and because of the inclined arrangement, the silicon micro powder raw material can move downwards under the action of gravity, wherein when the silicon micro powder raw material moves to the tail end, the silicon micro powder raw material can fall from one side of the cleaning roller 201, magnetic impurities in the silicon micro powder can be attracted through an electromagnet 2011 of the cleaning roller 201, the magnetic impurities are adsorbed on the surface of the cleaning roller 201, and the silicon micro powder raw material can be separated, so that the purification process is realized; and because of the arc-shaped conducting strip 2012, when the cleaning roller 201 rotates to the other side, the brushes at the two ends of the electromagnet 2011 are staggered with the arc-shaped conducting strip 2012, the electromagnet 2011 is in a power-off state, magnetism disappears, and magnetic impurities can be separated from the surface of the cleaning roller 201; and through setting up clearance strip 2013, set up at clearance strip 2013 lateral wall and the brush towards clearance cylinder 201, can clear up clearance cylinder 201 in the middle of the rotation process, can guarantee the cleanness on clearance cylinder 201 surface, and then realize the automatic continuous of purification process and go on.
In the whole processing procedure, the silicon micro powder raw material can be ground and dried in the drying cylinder 6 and falls into the screening cylinder 5, so that continuous grinding and screening are obtained, the screened silicon micro powder raw material falls onto the material guiding plate 202, discharging is completed, purification of removing magnetic impurities in the silicon micro powder is realized through the cleaning roller 201 on one side and the electromagnet 2011, and finally the finished silicon micro powder can fall into a conveying belt or a storage box on the lower side, so that transmission or collection is realized, and the processing procedure is completed.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. High-purity silica powder drying purification device with turn over material structure, including first mounting bracket (1), screen (5) are installed to first mounting bracket (1) upper end, screen (5) can rotate around self axis, screen (5) open on the surface has sieve mesh (505), feed pipe (503) are installed to screen (5) first end, its characterized in that:
the inner wall of the screen material cylinder (5) is fixedly connected with a material drying cylinder (6), the first end of the material drying cylinder (6) is fixedly connected with the inner wall of the first end of the screen material cylinder (5), the material drying cylinder (6) is communicated with the feeding pipeline (503), and the second end of the material drying cylinder (6) extends towards the second end direction of the screen material cylinder (5) with a gap; the side wall of the feeding pipeline (503) is communicated with a negative pressure pipe (5031), the negative pressure pipe (5031) is externally connected with negative pressure equipment, an air duct (502) is arranged at the second end of the screen material cylinder (5), the tail end of the air duct (502) penetrates through the screen material cylinder (5) and extends to one side of the drying material cylinder (6), and drying gas flows from the air duct (502) to one side of the feeding pipeline (503) to realize drying;
the novel grinding machine is characterized in that a first shoveling plate (601) is fixedly connected to the inner wall of the drying cylinder (6), a second shoveling plate (501) is fixedly connected to the inner wall of the screening cylinder (5), the first shoveling plate (601) and the second shoveling plate (501) are obliquely arranged, a feeding channel is formed among the feeding pipeline (503), the drying cylinder (6) and the screening cylinder (5), a grinding ball (7) is placed in the feeding channel, and a feed opening (504) matched with the grinding ball (7) is formed in the outer wall of the first end of the screening cylinder (5); the side wall of the first mounting frame (1) is fixedly connected with a collecting box (401), the collecting box (401) is positioned below the screen charging barrel (5) and corresponds to the position of the blanking opening (504), and conveying equipment (4) for conveying the grinding balls (7) is arranged on one side of the screen charging barrel (5); the conveying equipment (4) comprises a conveying cylinder (402) which is vertically arranged, a first spiral conveying blade is rotatably connected to the inner wall of the conveying cylinder (402), a first electric control system (404) for driving the first spiral conveying blade to rotate is arranged at the upper end of the conveying cylinder (402), the bottom end of the conveying cylinder (402) is communicated with the collecting box (401), and the upper end of the conveying cylinder (402) is communicated with a discharging channel (403) for conveying spheres;
the lower end of the screen charging barrel (5) is provided with a second mounting frame (2), the upper end of the second mounting frame (2) is connected with two material guide plates (202), the material guide plates (202) are obliquely arranged, the two material guide plates (202) are positioned below the screen holes (505) of the screen charging barrel (5), and the second mounting frame (2) is provided with a impurity removing device positioned below the material guide plates (202);
the impurity removing device comprises a cleaning roller (201), the cleaning roller (201) is rotationally connected with a second mounting frame (2), the cleaning roller (201) is located below a material guiding plate (202), a plurality of groups of electromagnets (2011) are arranged in the cleaning roller (201), the electromagnets (2011) are provided with conductive brushes, an arc-shaped conductive sheet (2012) is fixedly connected to the upper end of the second mounting frame (2), a power supply is externally connected with the conductive sheet (2012), and the conductive sheet (2012) is matched with the conductive brushes.
2. The high-purity silica powder drying and purifying device with the turning structure according to claim 1, wherein a plurality of groups of first magnetic components are fixedly connected to the inner wall of the drying cylinder (6), the first magnetic components extend along the axis direction of the drying cylinder (6), and the first magnetic components are magnetically attracted with the grinding balls (7).
3. The high-purity silica powder drying and purifying device with the turning structure according to claim 1, wherein a cleaning installation frame (2031) is fixedly connected to the upper end of the second installation frame (2), a reciprocating screw (2032) is rotatably connected to the side wall of the cleaning installation frame (2031), a screw sleeve (2033) which is slidably connected with the cleaning installation frame (2031) is sleeved outside the reciprocating screw (2032), a cleaning plate is fixedly connected to the side wall of the screw sleeve (2033), and a second magnetic component matched with the grinding ball (7) is embedded in the cleaning plate, and the grinding ball (7) is attracted through the second magnetic component.
4. The high-purity silica micropowder drying and purifying device with the turning structure according to claim 1, characterized in that a third mounting frame (3) is mounted on one side of the feeding pipeline (503), pretreatment equipment is arranged at the upper end of the third mounting frame (3), the pretreatment equipment comprises a pretreatment box (302), a feeding hopper (301) is fixedly connected to the upper end of the pretreatment box (302), the lower end of the pretreatment box (302) is communicated with the feeding pipeline (503) through a discharging pipeline (304), two grinding rollers (303) are rotationally connected to the pretreatment box (302), and a second electric control system (305) for driving the two grinding rollers (303) to rotate is arranged on the third mounting frame (3).
5. The high-purity silica powder drying and purifying device with the turning structure according to claim 4, wherein a second spiral conveying blade (5032) is arranged in the feeding pipeline (503), and a third electric control system (5033) for driving the second spiral conveying blade (5032) to rotate is arranged on the third mounting frame (3).
6. The high-purity silica micropowder drying and purifying device with the turning structure according to any one of claims 1 to 5, wherein a plurality of supporting rollers (101) for supporting the screen material cylinder (5) are rotatably connected to the upper end of the first mounting frame (1), a fourth electric control system (103) is arranged on the side wall of the first mounting frame (1), and the fourth electric control system (103) drives the supporting rollers (101) to rotate through a belt conveying mechanism (102).
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| CN202211105518.2A CN115487908B (en) | 2022-09-09 | 2022-09-09 | High-purity silicon micropowder drying and purifying device with turning structure |
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| CN202211105518.2A CN115487908B (en) | 2022-09-09 | 2022-09-09 | High-purity silicon micropowder drying and purifying device with turning structure |
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| CN115487908B true CN115487908B (en) | 2023-06-06 |
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| CN204039286U (en) * | 2014-09-16 | 2014-12-24 | 华强化工集团股份有限公司 | A kind of urea formaldehyde slow-release compound fertilizer production equipment |
| CN213020700U (en) * | 2020-08-14 | 2021-04-20 | 寿光市皓阳农业科技有限公司 | Organic fertilizer electrical heating stoving heat transfer device |
| CN112240679B (en) * | 2020-09-16 | 2022-05-27 | 湖南四通食品科技有限责任公司 | Conveying equipment with drying function for rice processing and using method thereof |
| CN213657339U (en) * | 2020-09-28 | 2021-07-09 | 施可丰化工股份有限公司 | Compound fertilizer granule drying device |
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