CN114686169B - Corundum abrasive treatment process - Google Patents
Corundum abrasive treatment process Download PDFInfo
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- CN114686169B CN114686169B CN202210332150.7A CN202210332150A CN114686169B CN 114686169 B CN114686169 B CN 114686169B CN 202210332150 A CN202210332150 A CN 202210332150A CN 114686169 B CN114686169 B CN 114686169B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
- C09K3/1427—Abrasive particles per se obtained by division of a mass agglomerated by melting, at least partially, e.g. with a binder
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/481—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing silicon, e.g. zircon
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/653—Processes involving a melting step
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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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C—CHEMISTRY; METALLURGY
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
- C04B2235/3248—Zirconates or hafnates, e.g. zircon
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention belongs to the technical field of corundum abrasives, in particular to a corundum abrasive treatment process, wherein drying equipment comprises a drying machine shell, an automatic feeding hopper, a discharging hopper, a turnover device, a drying device and a stirring device, wherein the automatic feeding hopper is arranged on the upper surface of the drying machine shell, one end of the automatic feeding hopper penetrates through the inner top wall of the drying machine shell and then extends into the drying machine shell, and the discharging hopper is arranged on the inner bottom wall of the drying machine shell. According to the corundum abrasive material treatment process, through the arrangement of the stirring device, the turned particles can be evenly spread, the particles are prevented from being accumulated, insufficient drying is caused, the particles can be evenly spread in the material frame through the movement of the scraping plate and the stirring of the stirring paddle, so that the drying speed of the particles can be accelerated, the problems that the working efficiency is low, the abrasive materials cannot be fully and evenly dried and the quality technology of the corundum abrasive materials is reduced when the existing corundum abrasive materials are processed are solved.
Description
Technical Field
The invention relates to the technical field of corundum abrasives, in particular to a corundum abrasive treatment process.
Background
Corundum abrasives are sharp, hard materials used to grind softer material surfaces. Corundum abrasive is an indispensable material for manufacturing each precision product.
The corundum abrasive needs to be dried in the manufacturing process, the existing drying equipment is long in drying realization and low in working efficiency, meanwhile, the abrasive cannot be sufficiently and uniformly dried, the drying effect is poor, the subsequent corundum abrasive treatment is affected, and the quality of the corundum abrasive is reduced.
Disclosure of Invention
Based on the problems that the existing corundum abrasive is low in working efficiency due to long drying time and cannot be dried sufficiently and uniformly during treatment, and the quality technology of the corundum abrasive is reduced, the invention provides a corundum abrasive treatment process.
The invention provides a corundum abrasive treatment process, which comprises the following steps of:
step one: zircon sand and Al 2 O 3 Granulating the powder, the anthracite and the binder: zircon sand, al 2 O 3 Mixing the powder and anthracite in a mixer, adding a binder in the mixing process, grinding the mixture into particles with the particle size of less than 6-10 mu m after uniform mixing;
step two: drying the particles: after granulating, removing the moisture of the binder from the granules by a drying device;
step three: melting the mixture in an electric arc furnace: placing the stirred mixture into an electric arc furnace for smelting, and then adding the mixed material of the oxide and the aluminum oxide into the electric arc furnace for further smelting;
step four: and (3) quick cooling: after all the added materials are melted, pouring the obtained melt into quick cooling equipment to be cooled by using a semi-continuous steel ball cooling method and then solidified into solid;
step five: crushing and sieving: crushing and screening the solidified material to obtain a corundum abrasive;
the drying equipment comprises a drying machine shell, an automatic feeding hopper, a discharging hopper, a turning device, a drying device and a stirring device, wherein the automatic feeding hopper is arranged on the upper surface of the drying machine shell, one end of the automatic feeding hopper penetrates through the inner top wall of the drying machine shell and then extends into the drying machine shell, and the discharging hopper is arranged on the inner bottom wall of the drying machine shell;
the turnover device comprises a fixed disc for limiting and a triangular block, the turnover device is positioned in the dryer shell, and a gap formed between the triangular block and the fixed disc turns the rotating drying device;
the drying device is positioned on the outer surface of the turnover device and is used for drying the particles, the drying device comprises a fan, a heater, an annular ventilation pipeline, a material containing mechanism, a clutch mechanism and an opening and closing mechanism, the particles in the material containing mechanism are dried after the air pumped by the fan is heated by the heater, the material containing mechanism contains the particles to be dried, the clutch mechanism controls the opening and closing mechanism positioned above the two opening and closing mechanisms to deflect and then expose the particles in the material containing mechanism, and the particles in the material containing mechanism are dried through the annular ventilation pipeline after the opening and closing mechanisms deflect;
stirring device, stirring device is including stirring rake and the scraper blade that is used for stirring, stirring device is located the interior roof of drying cabinet, stirring rake is right granule in the hold material mechanism stirs, the scraper blade disperses the granule of gathering.
Preferably, the inner bottom wall of the fixed disc is fixedly arranged with the inner bottom wall of the dryer shell, the upper surface of the fixed disc is fixedly provided with a rotary disc through a bearing, the inside of the base of the fixed disc is fixedly provided with a driving motor, and one end of an output shaft of the driving motor is fixedly arranged with the lower surface of the rotary disc;
through above-mentioned technical scheme, drive the carousel through driving motor and rotate, the carousel can drive the material frame and rotate for dry speed, wherein the fixed disk comprises disk body and base.
Preferably, the outer surface of the base of the fixed disc and the outer surface of the triangular block are fixedly installed through a connecting rod, and a gap in an inverted Y shape is formed between the upper surface of the triangular block and the inner surface of the groove of the fixed disc;
through above-mentioned technical scheme, the lower surface through the fixed disk is to the gyro wheel is spacing, and wherein the triangle-shaped recess is seted up to the disk body external surface of fixed disk, and the triangle-shaped piece is located the below of triangle-shaped recess, rolls through the clearance of gyro wheel between triangle-shaped piece and triangle-shaped recess and realizes the turn-over work, can dry the below of granule.
Preferably, the fan is fixedly arranged on the upper surface of the dryer shell, the air inlet end of the dryer shell is fixedly arranged with the heater, the annular ventilating duct is fixedly arranged on the inner top wall of the dryer shell, and one end of the annular ventilating duct is fixedly arranged with the air outlet end of the fan;
through the technical scheme, the air after the fan sucks and disinfects is heated through the heater and then is conveyed into the annular ventilating duct to dry particles in the material frame, and the water vapor generated by drying in the drying machine shell can be sucked through the other fan, so that the drying speed is increased.
Preferably, the material containing mechanism comprises a material frame, a connecting arc plate is fixedly arranged on the outer surface of the material frame, one ends of a plurality of connecting arc plates are fixedly arranged on the inner wall of the turntable through bearings, rollers are fixedly arranged on two sides of the inner surface of the connecting arc plate, and the outer surfaces of the rollers are respectively and rotatably connected with the lower surface of the fixed disc and the outer surface of the triangular block;
through above-mentioned technical scheme, through the rotation of carousel, can drive the gyro wheel and rotate, turn over the material frame when meetting the triangular block, the gyro wheel can be spacing to the material frame with the lower surface contact of fixed disk, prevents that the material frame from deflecting in other places.
Preferably, the clutch mechanism comprises a clutch shell, the outer surface of the clutch shell is fixedly arranged with the outer surface of the material frame, a clutch motor is fixedly arranged on the outer side surface of the material frame, a guide rail is fixedly arranged on the outer surface of the material frame, a transmission rod is slidably inserted into the outer surface of the guide rail through a bearing, rotating rods are fixedly arranged on two sides of the outer surface of the material frame through bearings, the two rotating rods are positioned at two ends of the transmission rod, friction plates are fixedly arranged at two ends of the transmission rod and one end of the rotating rod, one end of an output shaft of the clutch motor is slidably inserted into the transmission rod after penetrating through the inside of the rotating rod below, an electric push rod is fixedly arranged on the outer surface of the material frame, and one end of a telescopic rod of the electric push rod is fixedly arranged with the outer surface of the transmission rod;
through above-mentioned technical scheme, promote the transfer pole through electric putter and go up and down, can make the bevel gear at rotary rod both ends mesh with the bevel gear of articulated connecting rod one end, control two apron and carry out corresponding opening and shutting.
Preferably, the opening and closing mechanism comprises cover plates, the outer surfaces of the two cover plates are respectively connected with two ends of the inner wall of the material frame in a sliding manner, limiting groove blocks are fixedly arranged on the inner wall of the material frame, connecting block plates are fixedly arranged on two sides of the outer surface of the cover plates, the outer surfaces of the connecting block plates are connected with the inner wall of the limiting groove blocks in a sliding manner through upright posts in a sliding manner, deflection rods are fixedly arranged on opposite surfaces of the two connecting block plates, two ends of each deflection rod penetrate through the outer surfaces of the connecting block plates and then are connected with the inner wall of the limiting groove blocks in a sliding manner, hinge connecting rods are fixedly arranged at two ends of each deflection rod, and one end of each hinge connecting rod is connected with the outer surface of each limiting groove block in a rotating manner through a connecting rod;
through above-mentioned technical scheme, the rotation of forcing the pivoted lever through the rotation of the one end of articulated connecting rod, promote the connecting block board and drive the apron and outwards take place to deflect, realize the work to the material frame upper surface opening and shutting, the annular air pipe of opening of apron can be convenient for dry the granule in the material frame, and the closing of apron can play the supporting role to the granule, and two apron are closed simultaneously, can be convenient for the material frame turn over, and the spacing groove piece is spacing to pivoted lever and connecting block board.
Preferably, one end of a connecting rod of the hinged connecting rod penetrates through the outer surface of the material frame and then extends to the outside of the material frame, and one ends of the two rotating rods are respectively and rotatably connected with one ends of connecting rods of the two hinged connecting rods through bevel gear sets;
through above-mentioned technical scheme, through the lift of transfer pole, the friction disc of upper end can with the friction disc contact back of the rotary rod of upper end, drive the rotary rod of top and rotate, the lower extreme friction disc of transfer pole leaves the friction disc of below rotary rod simultaneously, make the rotation of transfer pole only can drive a articulated connecting rod and deflect, two apron open and shut as required, prevent to open and shut simultaneously and cause the granule in the material frame to reveal, open and shut the work through two apron drive simultaneously, pass through the transmission of friction disc and rotary rod, make the bevel gear on the rotary rod and the bevel gear on its articulated connecting rod of meshing between the bevel gear.
Preferably, the stirring device further comprises a two-shaft moving platform, wherein a supporting frame is fixedly arranged on the outer surface of a sliding block of the two-shaft moving platform, and the outer surface of the supporting frame is fixedly arranged with the outer surface of the scraping plate;
through above-mentioned technical scheme, wherein diaxon moving platform comprises motor, lead screw, slide rail and slider, drives the rotation of lead screw through the motor, and the slider moves on the slide rail, realizes that the scraper blade carries out the removal of controlling and four directions from top to bottom, and the scraper blade can disperse the granule of gathering behind the material frame internal turn-over.
Preferably, the outer surface of the supporting frame is fixedly provided with a stirring motor, the upper surface of the scraping plate is fixedly arranged with the stirring paddle through a bearing, and the output shaft of the stirring motor controls the stirring paddle to synchronously rotate through the cooperation of a synchronous belt and a synchronous wheel;
through above-mentioned technical scheme, through the rotation of stirring rake, can disperse the granule in the material frame, be convenient for carry out drying work for drying rate.
The beneficial effects of the invention are as follows:
1. through setting up turn-over device, can carry out turn-over work to the granule for dry speed, the material frame is along with the rotation of carousel, when the gyro wheel with to the triangle piece, rotate to the upper surface of triangle piece after, force the material frame to overturn, realize carrying out turn-over work to the granule in the material frame to accelerate drying speed, solved current corundum abrasive material when handling, drying time is long, causes work efficiency low, can't carry out abundant even drying to the abrasive material simultaneously, reduced the quality technical problem of corundum abrasive material.
2. Through setting up drying device, can carry out the dry work, open and shut through clutch mechanism control and deflect, after the apron in the mechanism that opens and shuts that is located the top deflects, granule in the material frame is exposed in the air, annular air pipe spun hot air can carry out the dry action to the granule, the mechanism that opens and shuts of below is closed, can play the supporting role to the granule, prevent that the granule from revealing, thereby can dry the granule, current corundum abrasive material has been solved when handling, drying time is long, cause work efficiency low, can't carry out abundant even drying to the abrasive material simultaneously, the quality technical problem of corundum abrasive material has been reduced.
3. Through setting up agitating unit, can evenly spread the granule behind the turn-over, prevent that the granule from piling up, cause the drying insufficient, through the stirring of stirring rake simultaneously of the removal of scraper blade, can make the granule evenly spread in the material frame to can accelerate the drying rate of granule, solve current corundum abrasive material when handling, drying time is long, causes work efficiency low, can't carry out abundant even drying to the abrasive material simultaneously, reduced the problem of corundum abrasive material's quality technology.
Drawings
FIG. 1 is a schematic illustration of a corundum abrasive treatment process according to the present invention;
FIG. 2 is a perspective view of a blower structure of a corundum abrasive treatment process according to the present invention;
FIG. 3 is a perspective view of an automatic feeding hopper structure of a corundum abrasive treatment process according to the present invention;
FIG. 4 is a perspective view of a fixed disk structure of a corundum abrasive treatment process according to the present invention;
FIG. 5 is a perspective view of a triangular block structure of a corundum abrasive treatment process according to the present invention;
FIG. 6 is a perspective view of a connecting arc plate structure of a corundum abrasive treatment process according to the present invention;
FIG. 7 is a perspective view of a limiting groove block structure of a corundum abrasive treatment process according to the present invention;
FIG. 8 is a perspective view of a transfer rod structure of a corundum abrasive treatment process according to the present invention;
FIG. 9 is a perspective view of a clutch motor structure of a corundum abrasive treatment process according to the present invention;
FIG. 10 is a perspective view of a scraper structure of a corundum abrasive treatment process according to the present invention;
fig. 11 is a perspective view of a stirring paddle structure of a corundum abrasive treatment process according to the present invention.
In the figure: 1. a dryer housing; 11. automatic feeding; 12. discharging a hopper; 2. a fixed plate; 21. a turntable; 22. a driving motor; 23. triangular blocks; 3. a blower; 31. a heater; 32. an annular ventilation duct; 4. a material frame; 41. connecting an arc plate; 42. a roller; 5. a clutch housing; 51. a clutch motor; 52. a guide rail; 53. a transfer lever; 54. a rotating rod; 55. a friction plate; 56. an electric push rod; 6. a cover plate; 61. limiting groove blocks; 62. a connecting block plate; 63. a deflection lever; 64. a hinged connecting rod; 7. a two-axis mobile platform; 71. a support frame; 72. a scraper; 73. stirring paddles; 74. a stirring motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-11, a corundum abrasive treatment process includes the steps of:
step one: zircon sand and Al 2 O 3 Granulating the powder, the anthracite and the binder: zircon sand, al 2 O 3 Mixing the powder and anthracite in a mixer, adding a binder in the mixing process, grinding the mixture into particles with the particle size of less than 6-10 mu m after uniform mixing;
step two: drying the particles: after granulating, removing the moisture of the binder from the granules by a drying device;
step three: melting the mixture in an electric arc furnace: placing the stirred mixture into an electric arc furnace for smelting, and then adding the mixed material of the oxide and the aluminum oxide into the electric arc furnace for further smelting;
step four: and (3) quick cooling: after all the added materials are melted, pouring the obtained melt into quick cooling equipment to be cooled by using a semi-continuous steel ball cooling method and then solidified into solid;
step five: crushing and sieving: crushing and screening the solidified material to obtain a corundum abrasive;
as shown in fig. 1 to 3, the drying apparatus includes a drying cabinet 1, an automatic loading hopper 11, a discharging hopper 12, a turning device, a drying device and a stirring device, wherein the automatic loading hopper 11 is disposed on the upper surface of the drying cabinet 1, one end of the automatic loading hopper 11 penetrates through the inner top wall of the drying cabinet 1 and then extends into the drying cabinet 1, the automatic loading hopper 11 can automatically perform discharging, the discharging hopper 12 is disposed on the inner bottom wall of the drying cabinet 1, and the discharging hopper 12 is located right below the automatic loading hopper 11.
As shown in fig. 4-5, the turning device comprises a fixed disc 2 for limiting and a triangular block 23, the turning device is positioned in the drying machine shell 1, and a gap formed between the triangular block 23 and the fixed disc 2 turns the rotating drying device;
further, for turning over, the inner bottom wall of the fixed disc 2 is fixedly installed with the inner bottom wall of the dryer shell 1, for driving the drying device to rotate, the turntable 21 is fixedly installed on the upper surface of the fixed disc 2 through a bearing, for driving the turntable 21 to automatically rotate, the driving motor 22 is fixedly installed in the base of the fixed disc 2, and then one end of an output shaft of the driving motor 22 is fixedly installed with the lower surface of the turntable 21;
further, in order to turn over the particles, the outer surface of the base of the fixed disk 2 and the outer surface of the triangular block 23 are fixedly installed through a connecting rod, and then a gap in an inverted Y shape is formed between the upper surface of the triangular block 23 and the inner surface of the groove of the fixed disk 2.
As shown in fig. 6-9, the drying device is positioned on the outer surface of the turn-over device and is used for drying the particles, and the drying device comprises a fan 3, a heater 31, an annular ventilation pipeline 32, a material containing mechanism, a clutch mechanism and an opening and closing mechanism;
the air pumped by the fan 3 is heated by the heater 31 to dry particles in the material containing mechanism, the material containing mechanism contains the particles to be dried, the clutch mechanism controls the opening and closing mechanisms positioned above the two opening and closing mechanisms to deflect and then expose the particles in the material containing mechanism, and the annular ventilation pipeline 32 is used for drying the particles in the material containing mechanism after the opening and closing mechanisms deflect;
further, in order to perform a drying operation, the fan 3 is fixedly installed on the upper surface of the dryer housing 1, in order to heat the air pumped by the fan 3, the air inlet end of the dryer housing 1 is fixedly installed with the heater 31, in order to perform uniform air supply, the annular ventilation duct 32 is fixedly installed on the inner top wall of the dryer housing 1, and then one end of the annular ventilation duct 32 is fixedly installed with the air outlet end of the fan 3.
The material containing mechanism is arranged on the outer surface of the rotary table 21, particles are placed on the outer surface of the rotary table 21, the connecting arc plates 41 are distributed in an annular array through bearings in a fixed mode, the material frame 4 is fixedly arranged at one end of each connecting arc plate 41, the rollers 42 are fixedly arranged on two sides of the inner surface of each connecting arc plate 41 in order to facilitate the overturning operation, the outer surfaces of the rollers 42 are respectively connected with the lower surface of the fixed disc 2 and the outer surface of the triangular block 23 in a rotating mode, the outer surfaces of the rollers 42 are in contact with the lower surface of the fixed disc 2 to limit the material frame 4, and the outer surfaces of the rollers 42 are in contact with the outer surfaces of the triangular block 23 to carry out overturning.
The clutch mechanism is arranged on the outer surface of the material frame 4, the clutch shell 5 is fixedly arranged on the outer surface of the material frame 4 for controlling the opening and closing mechanism to open and close, the clutch motor 51 is fixedly arranged on the outer side surface of the material frame 4 for automatically controlling the opening and closing mechanism to open and close, the guide rail 52 is fixedly arranged on the outer surface of the material frame 4 for controlling the two opening and closing mechanisms to deflect through one clutch motor 51, the transmission rod 53 is slidably inserted and connected on the outer surface of the guide rail 52 through a bearing, the rotary rods 54 are fixedly arranged on two sides of the outer surface of the material frame 4 through bearings for transmitting the rotary force of the transmission rod 53, the two rotary rods 54 are positioned at two ends of the transmission rod 53, the friction plates 55 are fixedly arranged at one end of the rotary rod 54 and one end of the transmission rod 53 for driving the transmission rod 53 to rotate, the output shaft end of the clutch motor 51 penetrates through the inside of the lower rotary rod 54 and is slidably inserted and connected with the inside of the transmission rod 53 for automatically pushing the transmission rod 53 to lift, the electric push rod 56 is fixedly arranged on the outer surface of the material frame 4, and then one end of the electric push rod 56 is fixedly arranged on the outer surface of the transmission rod 53.
The opening and closing mechanism is arranged on the outer surface of the material frame 4, in order to seal the material frame 4, the cover plate 6 is inserted into the inner wall of the material frame 4 in a sliding manner, in order to drive the cover plate 6 to deflect, the limiting groove blocks 61 are fixedly arranged on the inner wall of the material frame 4 to limit the deflection of the cover plate 6, in order to drive the cover plate 6 to deflect, the connecting block plates 62 are fixedly arranged on two sides of the outer surface of the cover plate 6, then the outer surface of the connecting block plates 62 is inserted into the inner wall of the limiting groove blocks 61 in a sliding manner through the upright posts, in order to drive the two connecting block plates 62 to deflect, the deflection rod 63 is fixedly arranged on the opposite surfaces of the two connecting block plates 62, then two ends of the deflection rod 63 penetrate through the outer surface of the connecting block plates 62 and are inserted into the inner wall of the limiting groove blocks 61 in a sliding manner, in order to drive the deflection rod 63 to deflect, the two ends of the deflection rod 63 are fixedly arranged with the hinge connecting rod 64, and one end of the hinge connecting rod 64 is rotatably connected with the outer surface of the limiting groove blocks 61 through the connecting rod.
Further, in order to drive the hinge connecting rod 64 to deflect automatically, one end of the connecting rod of the hinge connecting rod 64 penetrates through the outer surface of the material frame 4 and then extends to the outside of the material frame 4, then one ends of the two rotating rods 54 are respectively connected with one ends of the connecting rods of the two hinge connecting rods 64 in a rotating way through a bevel gear group, the bevel gear group can achieve a self-locking effect, the hinge connecting rod 64 is prevented from deflecting automatically under the condition that the hinge connecting rod 64 is not deflected, after the friction plate 55 at the upper end can be contacted with the friction plate 55 of the rotating rod 54 at the upper end, the rotating rod 54 above is driven to rotate, and meanwhile, the friction plate 55 at the lower end of the transmitting rod 53 is separated from the friction plate 55 of the rotating rod 54 below, so that the rotation of the transmitting rod 53 can only drive one hinge connecting rod 64 to deflect, and the two cover plates 6 are opened and closed according to requirements.
As shown in fig. 10 to 11, the stirring device comprises a stirring paddle 73 and a scraping plate 72, wherein the stirring paddle 73 is used for stirring, the stirring device is positioned on the inner top wall of the dryer shell 1, the stirring paddle 73 is used for stirring particles in the material containing mechanism, and the scraping plate 72 is used for dispersing the aggregated particles;
in order to perform stirring work, the stirring device further comprises a two-axis moving platform 7, wherein the two-axis moving platform 7 is composed of a motor, a screw rod, a sliding rail and a sliding block, the motor drives the screw rod to rotate, the sliding block moves on the sliding rail, then a supporting frame 71 is fixedly arranged on the outer surface of the sliding block of the two-axis moving platform 7, and in order to pave particles, the outer surface of the supporting frame 71 and the outer surface of a scraper 72 are fixedly arranged;
further, in order to automatically perform the stirring operation, a stirring motor 74 is fixedly installed on the outer surface of the supporting frame 71, then the upper surface of the scraper 72 is fixedly installed with the stirring paddle 73 through a bearing, and the output shaft of the stirring motor 74 controls the stirring paddle 73 to synchronously rotate through the cooperation of the synchronous belt and the synchronous wheel.
Working principle: the automatic feeding hopper 11 is used for adding particles to be dried into the material frame 4 below the automatic feeding hopper, a driving motor 22 in the fixed disc 2 is started to drive the material frame 4 on the rotary disc 21 to rotate, so that the next material frame 4 reaches the lower end of the automatic feeding hopper 11 for feeding, meanwhile, a fan 3 on the upper surface of the drying shell 1 is started, pumped air is heated by a heater 31 and then conveyed into an annular ventilating duct 32, the particles blown into the material frame 4 below are dried, and the fixed disc 2 is uniformly rotated according to the set number of the material frames 4;
when the clutch shell 5 rotates to the triangular block 23 in the next step, the electric push rod 56 in the clutch shell 5 drives the transfer rod 53 to move upwards on the guide rail 52, so that after the friction plate 55 at the upper end of the transfer rod 53 is contacted with the friction plate 55 on the rotating rod 54 above, the clutch motor 51 is started, after the transfer rod 53 is driven to rotate, the rotating rod 54 above is driven to rotate by the friction plate 55, the connecting rod at one end of the hinged connecting rod 64 drives one end of the hinged connecting rod 64 to deflect, the deflection rod 63 fixed with the hinged connecting rod 64 can be pulled to move in the arc-shaped groove of the limiting groove block 61 and simultaneously pull the connecting block plate 62 to move downwards, the upright post of the connecting block plate 62 moves downwards in the straight groove, the cover plate 6 deflects and after the cover plate is parallel to the material frame 4, the deflection rod 63 moves downwards along the lower half end of the straight groove of the limiting groove block 61 under the pull of the hinged connecting rod 64, so that the cover plate 6 is positioned on the inner wall at the upper end of the material frame 4 and seals the upper part of the material frame 4;
when the turntable 21 continues to rotate, when a front roller 42 on a connecting arc plate 41 on the material frame 4 encounters a gap formed between the triangular block 23 and the fixed disc 2, the roller 42 rotates along an inverted Y-shaped path of the gap after entering the gap to drive the material frame 4 to deflect, turn over, particles in the material frame 4 deflect, and after the turntable 21 stops rotating, an electric push rod 56 pushes a transfer rod 53 to move upwards to open a cover plate 6 positioned above, and the transfer rod drives a hinged connecting rod 64 to deflect through the transfer of a friction plate 55, and the hinged connecting rod 64 pushes a connecting block plate 62 to deflect to push the cover plate 6 to deflect outwards after rising;
the two-axis moving platform 7 drives the supporting frame 71 to move and move downwards, so that the scraping plate 72 is located in the material frame 4 below, meanwhile, the scraping plate 72 is driven to move to one side, the stirring motor 74 is started, the stirring paddle 73 is driven to stir while moving, after the stirring is completed, the supporting frame 71 is reset, the rotary table 21 continues to rotate, after the drying is completed, the lower part of the lower hopper 12 is located, the cover plate 6 below is opened, after the other side of the lower hopper 12 is sealed, particles in the material frame 4 enter the lower hopper 12, and the particles are collected.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. A corundum abrasive treatment process is characterized in that: the method comprises the following steps:
step one: zircon sand and Al 2 O 3 Granulating the powder, the anthracite and the binder: zircon sand, al 2 O 3 Mixing the powder and anthracite in a mixer, adding binder during mixing, grinding to 6-10 μm, and shapingGranulating;
step two: drying the particles: after granulating, removing the moisture of the binder from the granules by a drying device;
step three: melting the mixture in an electric arc furnace: placing the stirred mixture into an electric arc furnace for smelting, and then adding the mixed material of zirconia and alumina into the electric arc furnace for further smelting;
step four: and (3) quick cooling: after all the added materials are melted, pouring the obtained melt into quick cooling equipment to be cooled by using a semi-continuous steel ball cooling method and then solidified into solid;
step five: crushing and sieving: crushing and screening the solidified material to obtain a corundum abrasive;
the drying equipment comprises a drying machine shell (1), an automatic feeding hopper (11), a discharging hopper (12), a turning device, a drying device and a stirring device, wherein the automatic feeding hopper (11) is arranged on the upper surface of the drying machine shell (1), one end of the automatic feeding hopper (11) penetrates through the inner top wall of the drying machine shell (1) and then extends into the drying machine shell (1), and the discharging hopper (12) is arranged on the inner bottom wall of the drying machine shell (1);
the turnover device comprises a fixed disc (2) used for limiting and a triangular block (23), the turnover device is positioned in the drying machine shell (1), and a gap formed between the triangular block (23) and the fixed disc (2) turns the rotating drying device;
the drying device is positioned on the outer surface of the turnover device and is used for drying the particles, the drying device comprises a fan (3), a heater (31), an annular ventilating duct (32), a material containing mechanism, a clutch mechanism and an opening and closing mechanism, the particles in the material containing mechanism are dried after air pumped by the fan (3) is heated by the heater (31), the material containing mechanism contains the particles to be dried, the clutch mechanism controls the opening and closing mechanisms positioned above the two opening and closing mechanisms to deflect and expose the particles in the material containing mechanism, and the particles in the material containing mechanism are dried by the annular ventilating duct (32) after the opening and closing mechanisms deflect;
the material containing mechanism comprises a material frame (4), the clutch mechanism comprises a clutch shell (5), the outer surface of the clutch shell (5) is fixedly installed with the outer surface of the material frame (4), a clutch motor (51) is fixedly installed on the outer side surface of the material frame (4), a guide rail (52) is fixedly installed on the outer surface of the material frame (4), a transmission rod (53) is slidably inserted on the outer surface of the guide rail (52) through a bearing, rotating rods (54) are fixedly installed on two sides of the outer surface of the material frame (4) through bearings, two rotating rods (54) are located at two ends of the transmission rod (53), friction plates (55) are fixedly installed at two ends of the transmission rod (53) and one end of the rotating rod (54), one end of an output shaft of the clutch motor (51) penetrates through the inside of the rotating rod (54) and then is slidably inserted into the inside of the transmission rod (53), an electric push rod (56) is fixedly installed on the outer surface of the material frame (4), and one end of the electric push rod (56) is fixedly installed on the outer surface of the transmission rod (53).
The opening and closing mechanism comprises cover plates (6), the outer surfaces of the two cover plates (6) are respectively connected with two ends of the inner wall of the material frame (4) in a sliding mode, limiting groove blocks (61) are fixedly arranged on the inner wall of the material frame (4), connecting block plates (62) are fixedly arranged on two sides of the outer surface of the cover plates (6), the outer surfaces of the connecting block plates (62) are connected with the inner wall of the limiting groove blocks (61) in a sliding mode through upright posts, deflection rods (63) are fixedly arranged on opposite surfaces of the two connecting block plates (62), two ends of each deflection rod (63) penetrate through the outer surfaces of the connecting block plates (62) and then are connected with the inner wall of each limiting groove block (61) in a sliding mode, hinge connecting rods (64) are fixedly arranged at two ends of each deflection rod (63), and one end of each hinge connecting rod (64) is connected with the outer surface of each limiting groove block (61) in a rotating mode through connecting rods;
stirring device, stirring device is including stirring rake (73) and scraper blade (72) that are used for stirring, stirring device is located the interior roof of drying cabinet (1), stirring rake (73) are right granule in the flourishing feed mechanism stirs, scraper blade (72) are dispersed the granule of gathering.
2. A corundum abrasive treatment process as claimed in claim 1, characterized in that: the inner bottom wall of the fixed disc (2) is fixedly arranged with the inner bottom wall of the dryer shell (1), a rotary disc (21) is fixedly arranged on the upper surface of the fixed disc (2) through a bearing, a driving motor (22) is fixedly arranged in the base of the fixed disc (2), and one end of an output shaft of the driving motor (22) is fixedly arranged with the lower surface of the rotary disc (21).
3. A corundum abrasive treatment process as claimed in claim 1, characterized in that: the outer surface of the base of the fixed disc (2) and the outer surface of the triangular block (23) are fixedly installed through a connecting rod, and a gap in an inverted Y shape is formed between the upper surface of the triangular block (23) and the inner surface of the groove of the fixed disc (2).
4. A corundum abrasive treatment process as claimed in claim 1, characterized in that: the air inlet end of the dryer shell (1) is fixedly arranged with the heater (31), the annular ventilating duct (32) is fixedly arranged on the inner top wall of the dryer shell (1), and one end of the annular ventilating duct (32) is fixedly arranged with the air outlet end of the air blower (3).
5. A corundum abrasive treatment process as claimed in claim 2, characterized in that: the outer surface fixed mounting of material frame (4) has connection arc board (41), a plurality of connect arc board (41) one end all through the bearing with the inner wall fixed mounting of carousel (21), the equal fixed mounting in inner surface both sides of connection arc board (41) has gyro wheel (42), the surface of gyro wheel (42) respectively with the lower surface of fixed disk (2) with the surface rotation of triangle piece (23) is connected.
6. A corundum abrasive treatment process as defined in claim 5, wherein: one end of a connecting rod of the hinged connecting rod (64) penetrates through the outer surface of the material frame (4) and then extends to the outside of the material frame (4), and one ends of the two rotating rods (54) are respectively connected with one ends of the connecting rods of the two hinged connecting rods (64) in a rotating mode through bevel gear groups.
7. A corundum abrasive treatment process as defined in claim 6, wherein: the stirring device further comprises a two-shaft moving platform (7), a supporting frame (71) is fixedly arranged on the outer surface of a sliding block of the two-shaft moving platform (7), and the outer surface of the supporting frame (71) is fixedly arranged with the outer surface of the scraping plate (72).
8. A corundum abrasive treatment process as claimed in claim 7, characterized in that: the outer surface of the supporting frame (71) is fixedly provided with a stirring motor (74), the upper surface of the scraping plate (72) is fixedly arranged with the stirring paddle (73) through a bearing, and the output shaft of the stirring motor (74) is matched with the synchronous wheel through a synchronous belt to control the stirring paddle (73) to synchronously rotate.
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