CN107983526A - The classification treatment process of silicon carbide micro-powder - Google Patents
The classification treatment process of silicon carbide micro-powder Download PDFInfo
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- CN107983526A CN107983526A CN201711262588.8A CN201711262588A CN107983526A CN 107983526 A CN107983526 A CN 107983526A CN 201711262588 A CN201711262588 A CN 201711262588A CN 107983526 A CN107983526 A CN 107983526A
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- silicon carbide
- carbide micro
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- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/32—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
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Abstract
The invention discloses a kind of classification treatment process of silicon carbide micro-powder, the classification treatment process of the silicon carbide micro-powder includes：Step S1：Crushing grinding silicon carbide abrasive adds solvent to silicon carbide micro-powder and forms carborundum solution to obtain silicon carbide micro-powder；Step S2：Using hypergravity grading plant by the silicon carbide micro-powder graded of different-grain diameter scope in carborundum solution.The classification treatment process of silicon carbide micro-powder according to the present invention, carborundum solution is injected in hypergravity grading plant, it is possible to achieve the carborundum of different-grain diameter efficiently separates, and easily operated.
Description
Technical field
The present invention relates to chemical technology field, more particularly to a kind of classification treatment process of silicon carbide micro-powder.
Background technology
In correlation technique, the dominating process route that silicon carbide abrasive is prepared by quartz sand and petroleum coke reduction is：Raw material
Prepare --- broken --- magnetic separation --- wet concentration --- ultrasonic screening etc..Carborundum point wherein on different-grain diameter scope
Level, employs wet concentration and ultrasonic screening technology successively.The basic principle of wherein wet cleaning process is the carborundum using different-diameter
The sinking speed of particle in water is different and carries out size sorting, method production cycle length, low output；Ultrasonic activation sieve be
Additional ultrasonic vibration gauge on sieve, makes super fine realize screening function after receiving huge ultrasonic acceleration.Due to ultrasonic wave
Vibrating screen can only dry screen, so also needing that increase is dry and grinding process, flow are longer and complicated after wet concentration.
The content of the invention
It is contemplated that at least solve one of technical problem existing in the prior art.For this reason, the present invention proposes a kind of carbon
The classification treatment process of SiClx micro mist, the classification treatment process of the silicon carbide micro-powder are easily operated and of low cost.
The classification treatment process of silicon carbide micro-powder according to embodiments of the present invention, including：Step S1：Crushing grinding carborundum
Abrasive material adds solvent to silicon carbide micro-powder and forms carborundum solution to obtain silicon carbide micro-powder；Step S2：Using hypergravity point
Stage arrangement is by the silicon carbide micro-powder graded of different-grain diameter scope in carborundum solution.
The classification treatment process of silicon carbide micro-powder according to embodiments of the present invention, by the injection hypergravity classification of carborundum solution
In device, it is possible to achieve the carborundum of different-grain diameter efficiently separates, and easily operated.
In addition, the classification treatment process of silicon carbide micro-powder according to the above embodiment of the present invention also has skill additional as follows
Art feature：
According to some embodiments of the present invention, the silicon carbide micro-powder of the average grain diameter in the first predetermined size range by
The hypergravity grading plant overflow discharge, first predetermined size range meet：Average grain diameter is less than 10 μm.
Further, the silicon carbide micro-powder of the average grain diameter in the second predetermined size range is attached to the hypergravity
On the cylinder inboard wall of grading plant.
Further, second predetermined size range partly overlaps with first predetermined size range.
Alternatively, second predetermined size range staggers with first predetermined size range.
Alternatively, the average grain diameter for the silicon carbide micro-powder particle being attached on the cylinder inboard wall of the hypergravity grading plant
More than 10 μm, the silicon carbide micro-powder being attached on the cylinder inboard wall of the hypergravity grading plant and filtering drying are collected.
Alternatively, the silicon carbide micro-powder after filtering drying is returned into crushing grinding, repeat step S1 to step S2, until attached
Content of the average grain diameter more than 10 μm for the silicon carbide micro-powder particle on the cylinder inboard wall of the hypergravity grading plant is high
When 97%, it is not required to return.
According to some embodiments of the present invention, the solvent added into silicon carbide micro-powder is water.
According to some embodiments of the present invention, the hypergravity grading plant includes：Fixing bracket；Cylinder, the cylinder
It is located on the fixing bracket, the cylinder has the slurry outlet for connecting its inner cavity；Rotary drum, the rotary drum are installed on the cylinder
In vivo；Rotary drum motor, the rotary drum motor are located at the outer bottom of the cylinder and are connected with the rotary drum for driving described turn
Drum rotation；Input and output material pipeline, the lower end of the input and output material pipeline are adapted to extend into the rotary drum；Lifting gear, the lifting dress
It is set in the outer top of the cylinder and is connected with the input and output material pipeline, the lifting gear is connected with lifting motor to drive
The input and output material pipeline raising and lowering.
Further, the rotary drum motor is variable-frequency motor, and the rotating speed of the rotary drum is 50rpm-200rpm, the carbonization
The time that silicon solution is handled in the rotary drum is 10min-30min.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the flow chart of the classification treatment process of silicon carbide micro-powder according to an embodiment of the invention；
Fig. 2 is a schematic diagram of hypergravity grading plant according to embodiments of the present invention.
Reference numeral：
Hypergravity grading plant 100, cylinder 1, slurry outlet 11, baffle ring 12, rotary drum 2, rotary drum motor 3, input and output material pipeline
4, main line 41, bye-pass 42, lifting gear 5, lifting motor 6, fixing bracket 7.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " on ", " under ", " vertical ", " level ",
The orientation or position relationship of the instruction such as " top ", " bottom " " interior ", " outer ", " axial direction ", " radial direction ", " circumferential direction " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, in the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In correlation technique, there is scheme to be classified using air current classifying technology to silicon carbide micro-powder.It is proposed uses air-flow powder
Broken bonus point level system production abrasive material, however, there are certain deficiency for such scheme：Process equipment is complex, to dust collecting system
It is more demanding, regulation and control difficulty during classification to operating parameter is big etc..
The present invention provides a kind of method for carrying out serialization classification to silicon carbide micro-powder using gravity Method.
The classification treatment process of silicon carbide micro-powder according to embodiments of the present invention is described below in conjunction with the accompanying drawings.
Specifically, as Figure 1-Figure 2, the classification treatment process of silicon carbide micro-powder according to embodiments of the present invention, bag
Include：Step S1：Crushing grinding silicon carbide abrasive adds solvent to silicon carbide micro-powder and forms carborundum to obtain silicon carbide micro-powder
Solution；Step S2：Using hypergravity grading plant by the silicon carbide micro-powder graded of different-grain diameter scope in carborundum solution.
That is, by the way that silicon carbide abrasive crushing grinding is formed silicon carbide micro-powder, and add solvent and form carborundum
Solution, then carborundum solution is injected in hypergravity grading plant, so that the carbonization by different-grain diameter scope in carborundum solution
Silicon powder is classified, and realizes that the carborundum of different-grain diameter efficiently separates, easily operated, also helps shortening process cycle, improves effect
Rate.The classification treatment process of silicon carbide micro-powder according to embodiments of the present invention, injects hypergravity grading plant by carborundum solution
In, it is possible to achieve the carborundum of different-grain diameter efficiently separates, and easily operated.
According to some embodiments of the present invention, silicon carbide micro-powder of the average grain diameter in the first predetermined size range is by overweight
The overflow of power grading plant is discharged, and the first predetermined size range meets：Average grain diameter is less than 10 μm.Using hypergravity grading plant
When silicon carbide micro-powder in the range of different-grain diameter is classified, silicon carbide micro-powder of the average grain diameter less than 10 μm is mainly by overweight
The overflow of power grading plant is discharged.
Here it is possible to understand, silicon carbide micro-powder of the part average grain diameter less than 10 μm may also be attached to hypergravity
On the cylinder inboard wall of grading plant.
Further, silicon carbide micro-powder of the average grain diameter in the second predetermined size range is attached to hypergravity grading plant
Cylinder inboard wall on.Handled easy to the further collection of silicon carbide micro-powder.
For example, put down in the silicon carbide micro-powder that the big particle diameter (the second predetermined size range) shown in Fig. 1 refers to being classified out
Equal particle diameter is relatively large, and small particle (the first predetermined size range) refers to that average grain diameter is opposite in the silicon carbide micro-powder that is classified out
Smaller, in contrast size here is.
Alternatively, the second predetermined size range staggers with the first predetermined size range.For example, the second predetermined size range
Minimum value is more than the maximum of the first predetermined size range.
Specifically, reference Fig. 1, the silicon carbide micro-powder particle being attached on the cylinder inboard wall of the hypergravity grading plant
Average grain diameter is more than 10 μm, collects the silicon carbide micro-powder being attached on the cylinder inboard wall of hypergravity grading plant and filtering drying.
In certain embodiments, the second predetermined size range can also partly overlap with the first predetermined size range.For example,
The average grain diameter of most of silicon carbide micro-powders being attached on the cylinder inboard wall of hypergravity grading plant is more than 10 μm, also there is part
Average grain diameter is less than 10 μm.
Alternatively, the silicon carbide micro-powder after filtering drying is returned into crushing grinding, repeat step S1 to step S2, until attached
When content of the average grain diameter of the silicon carbide micro-powder on the cylinder inboard wall of hypergravity grading plant more than 10 μm is higher than 97%,
It is not required to return.It so, it is possible preferably to be classified the silicon carbide micro-powder of different-grain diameter scope, and it is easily operated.
In addition, the classification treatment process of silicon carbide micro-powder according to embodiments of the present invention, the separation that can continuously circulate, has
Beneficial to raising separative efficiency.
According to some embodiments of the present invention, the solvent added into silicon carbide micro-powder is water.Water belongs to nontoxic reagent,
Therefore pollute small, water can recycle, and realize zero-emission substantially.
According to some embodiments of the present invention, as shown in Fig. 2, hypergravity grading plant 100 according to embodiments of the present invention,
Including：Fixing bracket 7, cylinder 1, rotary drum 2, rotary drum motor 3, input and output material pipeline 4 and lifting gear 5.
Specifically, cylinder 1 is located on fixing bracket 7 (such as welding etc.), and there is cylinder 1 slurry for connecting its inner cavity to go out
Mouth 11, can further be discharged the slurry in cylinder 1 by slurry outlet 11.
Rotary drum 2 is installed in cylinder 1.The material of cylinder 1 can be stainless steel, titanium etc., and cylinder 1 can not only protect rotary drum
2, moreover it is possible to prevent overflow slurry from splashing.
For example, rotary drum 2 can be located at the bottom in cylinder 1, and rotary drum 2 and the relative position of cylinder 1 are fixed, rotary drum 2
Top can open wide, or on rotary drum 2 formed with connection cylinder 1 inner cavity feed inlet and outlet.
Rotary drum motor 3 is located at outside cylinder 1, and rotary drum motor 3 is connected with rotary drum 2 to drive rotary drum 2 to rotate.Rotary drum 2 can
To be made of stainless steel or titanium etc., rotary drum motor 3 can be located at the lower section of rotary drum 2, and rotary drum 2 can be driven by rotary drum motor 3
Rotation produces hypergravity at a high speed, is conducive to the separation of slurry.
Here hypergravity refers to that rotary drum 2 rotates at a high speed the centrifugal force of generation, and the acceleration that rotary drum 2 rotates is more than gravity
Acceleration.
The lower end of input and output material pipeline 4 is adapted to extend into rotary drum 2.By the way that input and output material pipeline 4 is stretched into rotary drum 2, easy to
Addition slurry in rotary drum 2, or extract slurry out from rotary drum 2, it is easily operated.
Lifting gear 5 is located at outside cylinder 1, and lifting gear 5 is connected with input and output material pipeline 4, and lifting gear 5 is connected with liter
Motor 6 is dropped to be driven in and out 4 raising and lowering of pipe material.By lifting gear 5 and lifting motor 6, can automatic lifting or under
Input and output material pipeline 4 drops, and it is easy to operate.
Wherein, slurry can be injected in rotary drum 2 via input and output material pipeline 4, drive rotary drum 2 to revolve at a high speed by rotary drum motor 3
Change the line of production raw hypergravity, the slurry of different specific weight can be layered, so that be conducive to the separation of slurry, easily operated and separative efficiency
It is high.
Hypergravity grading plant 100 according to embodiments of the present invention, slurry can be injected in rotary drum 2 by input and output material pipeline 4,
Rotary drum 2 is driven rotate generation hypergravity at a high speed by rotary drum motor 3, can be by the slurry of different specific weight (such as different-grain diameter model
Carborundum powder enclosed etc.) layering, so as to be conducive to the separation of slurry, easily operated and separative efficiency is high.
Referring to Figures 1 and 2, according to some embodiments of the present invention, rotary drum motor 3 is located at the bottom outside cylinder 1, rotary drum electricity
Machine 3 is sequentially connected (such as gear drive, V belt translation etc.) with rotary drum 2, by rotary drum motor 3 rotary drum 2 can be driven to rotate at a high speed,
Be conducive to the further separation of slurry.
Lifting gear 5 is located at the top outside cylinder 1.Easy to the installation of lifting gear 5, and be conducive to improve hypergravity classification
The degree of automation of device 100, improves efficiency.
According to some embodiments of the present invention, on rotary drum 2 formed with extending downwardly and opposite with the output shaft of rotary drum motor 3
Axle portion, rotary drum 2 is connected by shaft coupling with rotary drum motor 3.In other words, on rotary drum 2 formed with axle portion, axle portion can be to downward
Stretch, and axle portion can be opposite with the output shaft of rotary drum motor 3, thus, easy to realize rotary drum 2 and rotary drum motor by shaft coupling
Being reliably connected between 3.
As shown in Fig. 2, according to some embodiments of the present invention, input and output material pipeline 4 includes：Main line 41 and bye-pass 42,
The extension (with reference to the above-below direction shown in Fig. 2) along the vertical direction of main line 41；Bye-pass 42 is located at the lower end of main line 41, and
And bye-pass 42 is connected with main line 41, bye-pass 42 can include the multiple of one or circumferentially spaced arrangement.Thus, to
In input and output material pipeline 4 during injection slurry, slurry can pass through bye-pass 42 and inject rotary drum 2 first via main line 41
It is interior, be conducive to slurry and be uniformly distributed in rotary drum 2.
In addition, input and output material pipeline 4 can make slurry enter rotary drum 2 in, input and output material pipeline 4 can also be by rotary drum 2 from inside to outside
Discharge, can also inject flushing water by input and output material pipeline 4 into rotary drum 2.
With reference to Fig. 2, according to some embodiments of the present invention, the bottom of cylinder 1 is in the taper to contract from top to bottom.Turn
The slurry that drum 2 overflows during high-speed rotating, which is easy to slide downwards via cylinder 1, to be built up, easy to further leading for slurry
Go out.
Further, can be formed on the bottom wall of cylinder 1 with reference to Fig. 2, slurry outlet 11.So that it is accumulated to 1 bottom of cylinder
The slurry in portion can be discharged via slurry outlet 11.
Further, with reference to Fig. 2, the inner bottom surface of cylinder 1 is formed with upwardly extending and be spaced apart with the exterior bottom wall of rotary drum 2
Baffle ring 12.That is, the inner bottom surface of cylinder 1 can be upwardly extended formed with baffle ring 12, baffle ring 12, and baffle ring 12 and rotary drum
2 exterior bottom wall can be spaced apart.By setting baffle ring 12, it can prevent slurry from flowing into rotary drum motor 3 and rotary drum motor 3 with turning
The junction of drum 2, advantageously reduces failure rate, ensures the use reliability of hypergravity grading plant 100.
Further, stagger in the up-down direction with slurry outlet 11 with reference to Fig. 1, baffle ring 12, slurry outlet 11 can be with
Positioned at the outside of baffle ring 12.Preferably, baffle ring 12 is coaxial with rotary drum motor 3.As a result, the structure of hypergravity grading plant 100
Compact and reasonable.
According to some embodiments of the present invention, rotary drum motor 3 is variable-frequency motor, and the frequency of rotary drum motor 3 is 0-50Hz.By
This, rotary drum motor 3 can realize stepless time adjustment function after connecting frequency converter, control rotary drum rotating speed, preferably drive rotary drum 2 to revolve
Turn, realize the separation of slurry.
Hypergravity grading plant 100 according to embodiments of the present invention, drives rotary drum 2 to rotate production at a high speed using rotary drum motor 3
Raw hypergravity so that the material of different grain size or proportion is layered in hypergravity grading plant 100 in slurry, and is continuously exported
Fine grained overflow, coarse granule are periodically taken away, and impurity content is extremely low in fine grained valuable material, and coarse granule volume is few.
Further, rotary drum motor 3 is variable-frequency motor, and the rotating speed of rotary drum 2 is 50rpm-200rpm.Thus, by turning
Drum motor 3 can preferably drive rotary drum 2 to rotate at a high speed and produce hypergravity, so that the slurry of different specific weight be layered, be easy to expect
The separation of slurry.
Wherein, the rotating speed of rotary drum 2 can be 50rpm, 80rpm, 100rpm, 120rpm, 140rpm, 180rpm or 200rpm
Deng.
Alternatively, the time that carborundum is handled in rotary drum is 10min-30min.Thus, be conducive to make different-grain diameter model
The silicon carbide micro-powder enclosed is sufficiently separated, so as to improve separating effect.
Wherein, the time that carborundum solution is handled in rotary drum can be 10min, 20min or 30min etc..
One specific embodiment of the classification treatment process of silicon carbide micro-powder according to the present invention is described below.
Silicon-carbide particle after crushing grinding, is classified it using hypergravity grading plant.Revolved by high speed
Raw hypergravity of changing the line of production can efficiently separate the carborundum of different-grain diameter in mixed solution.By the silicon carbide slurry after crushing grinding with
Certain flow velocity is continuously injected into hypergravity separation equipment, and molten by the small particle carborundum that slurry outlet collection overflow goes out
Liquid, processing time are 10~20 minutes, 100~200 revs/min of rotating speed.Deposited after separation on flushing collection barrel big
The silicon-carbide particle of particle diameter, filtering drying recycling.
The classification treatment process of silicon carbide micro-powder according to the present invention, compared with prior art possessed beneficial effect exist
In：
First, the technological process of the present invention is simple, technological parameter is stablized, and is separated with hypergravity separation equipment, lock out operation
Time is short, and energy consumption is low, it can be achieved that semicontinuous operation.
Second, the present invention realizes separation according to silicon-carbide particle granularity (volume, quality) difference, make little particle fully outstanding
Float and be not easy to deposit to barrel in super gravity field, so that the two is separated.
Belong to nontoxic reagent third, the main separating medium used in the present invention is water, therefore pollution is small, water can follow
Ring uses, and realizes zero-emission substantially.
Fourth, present device simple structure, floor space is small, and separative efficiency is high, and energy consumption is low.
The carborundum classification technique that the invention is provided can realize that continuous high-efficient is classified, and equipment is simple to operation, investment
It is low, wet separation, without dust pollution.
Other of the classification treatment process of silicon carbide micro-powder according to embodiments of the present invention are formed and operated for ability
All it is known for the those of ordinary skill of domain, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine the embodiment or example particular features, structures, materials, or characteristics described
It is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms need not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
Combined in an appropriate manner in a or multiple embodiments or example.In addition, without conflicting with each other, the technology of this area
Different embodiments or example described in this specification and different embodiments or exemplary feature can be combined by personnel
And combination.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
- A kind of 1. classification treatment process of silicon carbide micro-powder, it is characterised in that including：Step S1：Crushing grinding silicon carbide abrasive adds solvent to silicon carbide micro-powder and forms carbonization to obtain silicon carbide micro-powder Silicon solution；Step S2：Using hypergravity grading plant by the silicon carbide micro-powder graded of different-grain diameter scope in carborundum solution.
- 2. the classification treatment process of silicon carbide micro-powder according to claim 1, it is characterised in that average grain diameter is pre- first The silicon carbide micro-powder in the range of being sized is discharged by the hypergravity grading plant overflow, first predetermined size range Meet：Average grain diameter is less than 10 μm.
- 3. the classification treatment process of silicon carbide micro-powder according to claim 2, it is characterised in that average grain diameter is pre- second The silicon carbide micro-powder in the range of being sized is attached on the cylinder inboard wall of the hypergravity grading plant.
- 4. the classification treatment process of silicon carbide micro-powder according to claim 3, it is characterised in that second preliminary dimension Scope partly overlaps with first predetermined size range.
- 5. the classification treatment process of silicon carbide micro-powder according to claim 3, it is characterised in that second preliminary dimension Scope staggers with first predetermined size range.
- 6. the classification treatment process of silicon carbide micro-powder according to claim 5, it is characterised in that be attached to the hypergravity The average grain diameter of silicon carbide micro-powder particle on the cylinder inboard wall of grading plant is more than 10 μm, and collection is attached to the hypergravity point Silicon carbide micro-powder and filtering drying on the cylinder inboard wall of stage arrangement.
- 7. the classification treatment process of silicon carbide micro-powder according to claim 4, it is characterised in that by the carbon after filtering drying SiClx micro mist returns to crushing grinding, repeat step S1 to step S2, until being attached in the cylinder of the hypergravity grading plant When content of the average grain diameter of silicon carbide micro-powder particle on wall more than 10 μm is higher than 97%, it is not required to return.
- 8. the classification treatment process of silicon carbide micro-powder according to claim 1, it is characterised in that add into silicon carbide micro-powder The solvent entered is water.
- 9. the classification treatment process of the silicon carbide micro-powder according to any one of claim 1-8, it is characterised in that described super Gravity classification device includes：Fixing bracket；Cylinder, the cylinder are located on the fixing bracket, and the cylinder has the slurry outlet for connecting its inner cavity；Rotary drum, the rotary drum are installed in the cylinder；Rotary drum motor, the rotary drum motor are located at the outer bottom of the cylinder and are connected with the rotary drum for driving the rotary drum Rotation；Input and output material pipeline, the lower end of the input and output material pipeline are adapted to extend into the rotary drum；Lifting gear, the lifting gear are located at the outer top of the cylinder and are connected with the input and output material pipeline, the lifting Device is connected with lifting motor to drive the input and output material pipeline raising and lowering.
- 10. the classification treatment process of silicon carbide micro-powder according to claim 9, it is characterised in that the rotary drum motor is Variable-frequency motor, the rotating speed of the rotary drum is 50rpm-200rpm, and the time that the carborundum solution is handled in the rotary drum is 10min-30min。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109046741A (en) * | 2018-07-13 | 2018-12-21 | 威海圆环先进陶瓷股份有限公司 | Silicon nitride microballon precise measure grading plant and stage division based on centrifugation laminar flow method |
| CN109161379A (en) * | 2018-08-13 | 2019-01-08 | 湖南庄耀光电科技有限公司 | The processing method of abrasive |
| CN109177270A (en) * | 2018-09-27 | 2019-01-11 | 湖南科旺科技有限公司 | A kind of ornamental strip technique for producing raw material and its production system |
| CN110420750A (en) * | 2019-07-11 | 2019-11-08 | 中国恩菲工程技术有限公司 | For being classified the device of silicon carbide |
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| CN202499713U (en) * | 2012-03-13 | 2012-10-24 | 潍坊汇成新材料科技有限公司 | Online silicon carbide micro powder drying and mixing device |
| CN104689925A (en) * | 2015-03-09 | 2015-06-10 | 彭建国 | Multistage classifier and classification method of superfine diamond micro-powder particles |
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| CN110420750A (en) * | 2019-07-11 | 2019-11-08 | 中国恩菲工程技术有限公司 | For being classified the device of silicon carbide |
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