CN105944822A - Continuous mica sedimentation classification system - Google Patents

Continuous mica sedimentation classification system Download PDF

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Publication number
CN105944822A
CN105944822A CN201610374249.8A CN201610374249A CN105944822A CN 105944822 A CN105944822 A CN 105944822A CN 201610374249 A CN201610374249 A CN 201610374249A CN 105944822 A CN105944822 A CN 105944822A
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CN
China
Prior art keywords
muscovitum
compressed air
classification
settling tank
continuous way
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CN201610374249.8A
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Chinese (zh)
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CN105944822B (en
Inventor
卓仲标
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ZHEJIANG COLORAY TECHNOLOGY DEVELOPMENT Co Ltd
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ZHEJIANG COLORAY TECHNOLOGY DEVELOPMENT Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B03B5/30Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
    • B03B5/36Devices therefor, other than using centrifugal force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B7/00Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00General arrangement of separating plant, e.g. flow sheets

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  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention belongs to the technical field of mica processing, and relates to a continuous mica sedimentation classification system. The system comprises a feeding mechanism for conveying mica powder; the feeding mechanism is connected with multiple parallel mica sedimentation tanks; the side walls of the mica sedimentation tanks are connected with classification material conveying mechanisms; the bottoms of the mica sedimentation tanks are connected with waste material conveying mechanisms; the mica sedimentation tanks are connected with a compressed air generator; and the compressed air generator can enable compressed air to enter the mica sedimentation tanks. The continuous mica sedimentation classification system is suitable for large-batch continuous production, and is high in production efficiency and has a good classification effect.

Description

Continuous way Muscovitum classification of sedimentation system
Technical field
The invention belongs to Muscovitum processing technique field, relate to a kind of continuous way Muscovitum sedimentation point Level system.
Background technology
Mica powder is a kind of nonmetallic mineral, containing Multiple components, mainly has SiO2, Content is typically about 49%, and Al2O3 content is about 30%.Mica powder has good Elastic, toughness.The spies such as insulating properties, high temperature resistant, acid and alkali-resistance, corrosion-resistant, adhesive force is strong Property, it is a kind of excellent additive.It is widely used in electrical equipment, welding rod, rubber, The row such as plastics, papermaking, paint, coating, pigment, pottery, cosmetics, building material Industry, purposes is the most extensive.Along with the development of science and technology, people open up and make new advances Application.
In different field, the Particle size requirements difference to Muscovitum, and Muscovitum grain after pulverizing Footpath difference is relatively big, needs through staged care.Existing staging mainly has wet method to settle Classification and dry vacuum classification, wherein wet method classification of sedimentation mainly uses Sedimentation tank automatic sedimentation, Can not fully be stirred, classification grading time is long, and can not obtain the Muscovitum of narrow ditribution Powder.
Chinese patent literature disclose a kind of classified screening device for mica sheet [application number: 201520487054.5], it includes that support, the both sides of described support are set by bearing block It is equipped with sprocket shaft, described sprocket shaft is provided with two symmetrical sprocket wheels, front and back homonymies Two sprocket wheels on be provided with chain, be provided with screening zone between two described chains, Screen holes is offered uniformly in described screening zone;The right-hand member of described screening zone is arranged There is feed arrangement;The sprocket shaft on right side is provided with belt pulley between sprocket wheel and bearing block Two, the belt pulley two that sprocket shaft is arranged is by belt two and the belt pulley two on motor two Coordinate;It is an object of the invention to provide the classified screening device of a kind of mica sheet, can be by Mica sheet carries out classification according to sheet footpath size, and then it is low to produce a part of fluorinated volume Mica paper, obtain more preferable economic benefit, this device is simple simultaneously, separate effect Fruit is good.
Such scheme may be used for mica sheet classification, but pulverizes for less the passing through of particle diameter Muscovitum powder can not obtain good grading effect, and said method belongs to dry classification, Dust is relatively big, and can not carry out the large batch of production of serialization, and production efficiency is the highest.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of continuous way Muscovitum sedimentation point Level system.
For reaching above-mentioned purpose, present invention employs following technical proposal: a kind of continuous way Muscovitum classification of sedimentation system, including the feed mechanism of conveying Muscovitum powder, described feeding Mechanism connects the Muscovitum settling tank of several parallel connections, and the sidewall of described Muscovitum settling tank is even Connect classification material conveyer structure, bottom Muscovitum settling tank, connect dead meal conveying mechanism, described Muscovitum settling tank connect compressed air generator, compressed air generator can make compression empty Gas enters in Muscovitum settling tank.
In above-mentioned continuous way Muscovitum classification of sedimentation system, described feed mechanism includes Muscovitum powder storage tank, Muscovitum powder storage tank connects a pump, and a pump is by a valve even Connect Muscovitum settling tank, wherein valve have several and with several Muscovitum settling tanks one by one Corresponding.
In above-mentioned continuous way Muscovitum classification of sedimentation system, described classification material conveyer Structure include several the most spaced be arranged on Muscovitum settling tank sidewall two Number valve, several described No. two valves connect No. two pumps, No. two described pumps by pipeline The quantity connecting classification material storage tank and classification material storage tank is identical with the quantity of No. two valves, often No. three valves it are provided with between individual classification material storage tank and No. two pumps.
In above-mentioned continuous way Muscovitum classification of sedimentation system, described dead meal conveyer Structure includes dead meal storage tank, and dead meal storage tank connects No. three pumps, and No. three described pumps connect Muscovitum settling tank, is provided with No. four valves between each Muscovitum settling tank and No. three pumps, And No. four valves are positioned at the bottom of Muscovitum settling tank.
In above-mentioned continuous way Muscovitum classification of sedimentation system, described compressed air occurs Device connects Muscovitum settling tank middle and lower part, at each Muscovitum settling tank and compressed air generator Between be provided with No. five valves.
In above-mentioned continuous way Muscovitum classification of sedimentation system, at the bottom of described Muscovitum settling tank Portion is provided with a dead meal settlement barrel in inverted round stage taper, sets in dead meal settlement barrel There are a compressed air aeration cylinder in inverted round stage taper, dead meal settlement barrel and compression sky Between gas aeration cylinder, there is gap thus form dead meal decanting zone, described compressed air Generator connects compressed air aeration cylinder and compressed air aeration cylinder is provided with and compression can be allowed empty The solarization air cap that gas overflows.
In above-mentioned continuous way Muscovitum classification of sedimentation system, described solarization air cap gathers On the sidewall of compressed air aeration cylinder, compressed air aeration cylinder passes through connection strap and dead meal Settlement barrel is fixing to be connected.
In above-mentioned continuous way Muscovitum classification of sedimentation system, described compressed air aeration Upper and lower two surfaces of cylinder are tabular, and the upper surface of compressed air aeration cylinder is with discarded The upper surface flush of material settlement barrel, No. two valves being positioned at Muscovitum settling tank sidewall bottom exist The top of compressed air aeration cylinder upper surface.
In above-mentioned continuous way Muscovitum classification of sedimentation system, described compressed air occurs Device includes compressed air reservoir or air compressor.
In above-mentioned continuous way Muscovitum classification of sedimentation system, described Muscovitum sedimentation tank deck Portion is opening-like, is provided with stirring paddle and bar magnet in Muscovitum settling tank.
Compared with prior art, it is an advantage of the current invention that:
1, being suitable for high-volume continuous prodution, production efficiency is high, and grading effect is good.
2, this settling tank belongs to wet method sedimentation, and infall process does not has dust, to environment without dirt Dye, by compressed air air supporting mechanism and the dual agitation of stirring rod, rises Muscovitum powder To being sufficiently stirred for, make Muscovitum classification of sedimentation abundant, bulky grain be mingled with little granule less, The Muscovitum powder of narrow ditribution can be obtained.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of Muscovitum settling tank.
In figure: feed mechanism 1, Muscovitum settling tank 2, classification material conveyer structure 3, discarded Material conveyer structure 4, compressed air generator 5,6, pump 7 of Muscovitum powder storage tank, A number valve 9, No. two pumps 10 of 8, No. two valves, 11, No. three valves 12 of classification material storage tank, useless 13, No. three pumps of rejected material storage tank 14, No. four valves 15, No. five valves 16, dead meal settlement barrels 17, compressed air aeration cylinder 18, dead meal decanting zone 19, solarization air cap 20, connection strap 21, stirring paddle 22, bar magnet 23.
Detailed description of the invention
With detailed description of the invention the present invention done further details of theory below in conjunction with the accompanying drawings Bright.
As it is shown in figure 1, a kind of continuous way Muscovitum classification of sedimentation system, including conveying Muscovitum The feed mechanism 1 of powder, described feed mechanism 1 connects the Muscovitum of several parallel connections and sinks Fall tank 2, the sidewall of described Muscovitum settling tank 2 connects classification material conveyer structure 3, Muscovitum Connecting dead meal conveying mechanism 4 bottom settling tank 2, described Muscovitum settling tank 2 connects Compressed air generator 5, compressed air generator 5 can allow compressed air into Muscovitum In settling tank 2.
Feed mechanism 1 includes that Muscovitum powder storage tank 6, Muscovitum powder storage tank 6 connect No. one Pump 7, a pump 7 connects Muscovitum settling tank 2, wherein a valve 8 by a valve 8 Have several and with several Muscovitum settling tank 2 one_to_one corresponding.Classification material conveyer structure 3 Including several the most spaced be arranged on Muscovitum settling tank 2 sidewall two Number valve 9, several described No. two valves 9 connect No. two pumps 10 by pipeline, described No. two pumps 10 connect the quantity of classification material storage tank 11 and classification material storage tank 11 and No. two valves 9 Quantity identical, between each classification material storage tank 11 and No. two pumps 10, be provided with one three Number valve 12.Dead meal conveying mechanism 4 includes dead meal storage tank 13, dead meal storage tank 13 Connecting No. three pumps 14, No. three described pumps 14 connect Muscovitum settling tank 2, at each Muscovitum It is provided with No. four valves 15 between settling tank 2 and No. three pumps 14, and No. four valves 15 are positioned at The bottom of Muscovitum settling tank 2.Under compressed air generator 5 connects in Muscovitum settling tank 2 Portion, is provided with one No. five between each Muscovitum settling tank 2 and compressed air generator 5 Valve 16.
In conjunction with shown in Fig. 2, it is provided with one bottom Muscovitum settling tank 2 in inverted round stage taper Dead meal settlement barrel 17, be provided with in dead meal settlement barrel 17 one in inverted round stage bore The compressed air aeration cylinder 18 of shape, dead meal settlement barrel 17 and compressed air aeration cylinder 18 Between there is gap thus form dead meal decanting zone 19, described compressed air generator 5 connect compressed air aeration cylinders 18 and compressed air aeration cylinder 18 is provided with and can allow compression The solarization air cap 20 that air overflows.
Preferred version, solarization air cap 20 gathers on the sidewall of compressed air aeration cylinder 18, Compressed air is introduced in dead meal decanting zone 19, to the Muscovitum in dead meal decanting zone Powder forms impact, prevents fine powder from settling, and the waste material such as stone grain that bulky grain particle diameter is bigger Etc. being deposited in dead meal decanting zone 19, compressed air rises along dead meal settlement barrel 17 And enter in Muscovitum settling tank, Muscovitum powder is formed stirring, makes Muscovitum powder be filled Divide and break up, so that infall process classification is uniform, it is possible to obtain the Muscovitum powder of narrow ditribution.
Compressed air aeration cylinder 18 is integrally fixed in dead meal settlement barrel 17, concrete Saying, being connected by connection strap 21 is fixing with dead meal settlement barrel 17, connection strap 21 is permissible It is connected with compressed air aeration cylinder 18 and dead meal settlement barrel 17 by nut etc., it is possible to It is connected with compressed air aeration cylinder 18 and dead meal settlement barrel 17 in the way of by welding.
Upper and lower two surfaces of compressed air aeration cylinder 18 are tabular, in sealing shape, no Perforate, and the upper table of the upper surface of compressed air aeration cylinder 18 and dead meal settlement barrel 17 Face flushes, and during Muscovitum sedimentation, powder will not enter in compressed air aeration cylinder 18, is positioned at No. two valves 9 of Muscovitum settling tank 2 sidewall bottom are at compressed air aeration cylinder 18 upper surface Top, prevent the dead meal from flowing out from bottom No. two valves 9, improve classification material Purity.
In the present embodiment, compressed air generator 5 includes compressed air reservoir or compression Air engine.Muscovitum settling tank 2 top is opening-like, is provided with and stirs in Muscovitum settling tank 2 Mixing oar 22 and bar magnet 23, stirring paddle 22 coordinates compressed air generator 5 to work overtime together, The effect of three-dimensional stirring can be reached, Muscovitum powder is fully broken up, improve classification effect Fruit and the effect of narrow ditribution.
The work process of the present invention is: the Muscovitum raw material after pulverizing forms slurry with water After enter in Muscovitum powder storage tank 6, be sent to Muscovitum settling tank 2 through a pump 7 In, in this process, by opening a different valve 8, can be by Muscovitum powder Be sent in different Muscovitum settling tanks 2, it will be appreciated by those skilled in the art that according to The principle of first in first out in chemical industry operation, can first pile in a Muscovitum settling tank 2 After Muscovitum material, then Muscovitum material is put in another Muscovitum settling tank 2, the like All piling material to all of Muscovitum settling tank 2, the Muscovitum settling tank 2 first piling material is permissible Open stirring paddle 22 and compressed air generator 5, open No. five valves 16, to the cloud in tank Female powder is stirred, and makes Muscovitum settling tank 2 fully be broken up, and iron ore etc. is by bar magnet 23 Absorption, then stops stirring and enters compressed air, making Muscovitum natural subsidence.
After sedimentation a period of time, the concrete sedimentation time can be according to production technology or client Demands etc. are adjusted and determine, do not limit.When some Muscovitum settling tank 2 settles After completing, open No. two pumps 10, and open Muscovitum settling tank 2 the most one by one On No. two valves 9, then open the classification material storage tank 11 of these No. two valve 9 correspondences and No. three valves 12, treat that the Muscovitum material within Muscovitum settling tank 2 of these No. two valve 9 correspondences all enters into this After in the classification material storage tank 11 of No. two valve 9 correspondences, then open one by one other No. two valves 9, Classification material storage tank 11 and No. three valves 12, carry out conveying and the collection of classification material step by step.Its His Muscovitum settling tank 2 settled after also by the step for operation.
After the conveying in a Muscovitum settling tank 2 completes, open this Muscovitum settling tank 2 No. four valves 15 of bottom, open No. three pumps 14, will be deposited in dead meal decanting zone 19 Dead meal be transported in dead meal storage tank 13.Remaining Muscovitum settling tank 2 operates successively.
The present invention, is suitable for high-volume continuous way and produces, thus improve production capacity and production efficiency. Muscovitum settling tank 2 can be the Muscovitum material that Muscovitum obtains narrow ditribution in classification process.
Specific embodiment described herein is only to present invention spirit theory for example Bright.Those skilled in the art can be to described specific embodiment Make various amendment or supplement or use similar mode to substitute, but without departing from The spirit of the present invention or surmount scope defined in appended claims.
Although it is defeated the most more to employ feed mechanism 1, Muscovitum settling tank 2, classification material Send mechanism 3, dead meal conveying mechanism 4, compressed air generator 5, Muscovitum powder storage tank 6,7, valve of a pump, 9, No. two pumps 10 of 8, No. two valves, classification material storage tank 11, No. three valves 12,13, No. three pumps of dead meal storage tank, 15, No. five valves 16 of 14, No. four valves, Dead meal settlement barrel 17, compressed air aeration cylinder 18, dead meal decanting zone 19, aeration The terms such as hole 20, connection strap 21, stirring paddle 22, bar magnet 23, but be not precluded from using The probability of other term.Use these terms to be only used to more easily and describe reconciliation Release the essence of the present invention;Being construed as any additional restriction is all and this Bright spirit is contrary.

Claims (10)

1. a continuous way Muscovitum classification of sedimentation system, including the feeding of conveying Muscovitum powder Mechanism (1), it is characterised in that described feed mechanism (1) connects several parallel connections Muscovitum settling tank (2), the sidewall of described Muscovitum settling tank (2) connects the conveying of classification material Mechanism (3), Muscovitum settling tank (2) bottom connects dead meal conveying mechanism (4), described Muscovitum settling tank (2) connect compressed air generator (5), compressed air generator (5) Can allow compressed air in Muscovitum settling tank (2).
Continuous way Muscovitum classification of sedimentation system the most according to claim 1, its feature Being, described feed mechanism (1) includes Muscovitum powder storage tank (6), and Muscovitum powder stores up Tank (6) connects a pump (7), and a pump (7) connects Muscovitum by a valve (8) Settling tank (2), wherein valve (8) have several and with several Muscovitum settling tanks (2) One_to_one corresponding.
Continuous way Muscovitum classification of sedimentation system the most according to claim 2, its feature Being, described classification material conveyer structure (3) includes that several are the most mutual Every No. two valves (9) being arranged on Muscovitum settling tank (2) sidewall, described several two Number valve (9) connects No. two pumps (10) by pipeline, and No. two described pumps (10) connect The quantity of classification material storage tank (11) and classification material storage tank (11) and the number of No. two valves (9) Measure identical, between each classification material storage tank (11) and No. two pumps (10), be provided with one No. three valves (12).
Continuous way Muscovitum classification of sedimentation system the most according to claim 3, its feature Being, described dead meal conveying mechanism (4) includes dead meal storage tank (13), discarded Material storage tank (13) connects No. three pumps (14), and No. three described pumps (14) connect Muscovitum and sink Fall tank (2), is provided with one between each Muscovitum settling tank (2) and No. three pumps (14) No. four valves (15), and No. four valves (15) are positioned at the bottom of Muscovitum settling tank (2).
Continuous way Muscovitum classification of sedimentation system the most according to claim 4, its feature Being, described compressed air generator (5) connects Muscovitum settling tank (2) middle and lower part, It is provided with one five between each Muscovitum settling tank (2) and compressed air generator (5) Number valve (16).
Continuous way Muscovitum classification of sedimentation system the most according to claim 1, its feature Being, described Muscovitum settling tank (2) bottom is provided with discarding in inverted round stage taper Material settlement barrel (17), is provided with one in inverted round stage taper in dead meal settlement barrel (17) Compressed air aeration cylinder (18), dead meal settlement barrel (17) and compressed air aeration cylinder (18) having gap between thus form dead meal decanting zone (19), described compression is empty Gas generator (5) connects compressed air aeration cylinder (18) and compressed air aeration cylinder (18) It is provided with the solarization air cap (20) that compressed air can be allowed to overflow.
Continuous way Muscovitum classification of sedimentation system the most according to claim 6, its feature Being, described solarization air cap (20) gathers at the sidewall of compressed air aeration cylinder (18) On, compressed air aeration cylinder (18) is by connection strap (21) and dead meal settlement barrel (17) Fixing connection.
Continuous way Muscovitum classification of sedimentation system the most according to claim 7, its feature Being, upper and lower two surfaces of described compressed air aeration cylinder (18) are tabular, And the upper table of the upper surface of compressed air aeration cylinder (18) and dead meal settlement barrel (17) Face flushes, and is positioned at No. two valves (9) of Muscovitum settling tank (2) sidewall bottom in compression The top of air aeration cylinder (18) upper surface.
Continuous way Muscovitum classification of sedimentation system the most according to claim 1, its feature Being, described compressed air generator (5) includes compressed air reservoir or compressed air Machine.
Continuous way Muscovitum classification of sedimentation system the most according to claim 1, it is special Levying and be, described Muscovitum settling tank (2) top is opening-like, in Muscovitum settling tank (2) Inside it is provided with stirring paddle (22) and bar magnet (23).
CN201610374249.8A 2016-05-31 2016-05-31 Continous way mica classification of sedimentation system Active CN105944822B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108262150A (en) * 2018-01-03 2018-07-10 茂名市茂南嘉泥科技发展有限公司 A kind of grogs particle size separating apparatus

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490129A (en) * 1945-09-17 1949-12-06 Integrated Mica Corp Method and apparatus for fabricating mica
US5143599A (en) * 1988-03-21 1992-09-01 Kaolin Industries, Ltd. Process for refining kaolin
CN101804382A (en) * 2010-03-03 2010-08-18 中国矿业大学 Sorting and grading device of pulsating liquid-solid fluidized bed and method thereof
CN202277879U (en) * 2011-09-27 2012-06-20 江门市科恒实业股份有限公司 Powder precipitation fractionation device
CN202983301U (en) * 2012-12-15 2013-06-12 河南富耐克超硬材料股份有限公司 Automatic micro-powder sorting equipment
CN103657839A (en) * 2013-12-09 2014-03-26 中国矿业大学 Gas-liquid-solid three-phase fluidized bed sorting machine and sorting method thereof
CN204620434U (en) * 2015-03-31 2015-09-09 德清科乐新材料科技有限公司 Mica particles pneumatic separator
CN205797468U (en) * 2016-05-31 2016-12-14 浙江凯色丽科技发展有限公司 Continuous way Muscovitum classification of sedimentation system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490129A (en) * 1945-09-17 1949-12-06 Integrated Mica Corp Method and apparatus for fabricating mica
US5143599A (en) * 1988-03-21 1992-09-01 Kaolin Industries, Ltd. Process for refining kaolin
CN101804382A (en) * 2010-03-03 2010-08-18 中国矿业大学 Sorting and grading device of pulsating liquid-solid fluidized bed and method thereof
CN202277879U (en) * 2011-09-27 2012-06-20 江门市科恒实业股份有限公司 Powder precipitation fractionation device
CN202983301U (en) * 2012-12-15 2013-06-12 河南富耐克超硬材料股份有限公司 Automatic micro-powder sorting equipment
CN103657839A (en) * 2013-12-09 2014-03-26 中国矿业大学 Gas-liquid-solid three-phase fluidized bed sorting machine and sorting method thereof
CN204620434U (en) * 2015-03-31 2015-09-09 德清科乐新材料科技有限公司 Mica particles pneumatic separator
CN205797468U (en) * 2016-05-31 2016-12-14 浙江凯色丽科技发展有限公司 Continuous way Muscovitum classification of sedimentation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108262150A (en) * 2018-01-03 2018-07-10 茂名市茂南嘉泥科技发展有限公司 A kind of grogs particle size separating apparatus

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Denomination of invention: Continuous Mica Settlement Grading System

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