CN107935602A - A kind of more component ceramic powder High Efficiency Superfine Ginding process and its grinding system - Google Patents

A kind of more component ceramic powder High Efficiency Superfine Ginding process and its grinding system Download PDF

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Publication number
CN107935602A
CN107935602A CN201710913809.7A CN201710913809A CN107935602A CN 107935602 A CN107935602 A CN 107935602A CN 201710913809 A CN201710913809 A CN 201710913809A CN 107935602 A CN107935602 A CN 107935602A
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ceramic powder
grinding
high efficiency
balancing reservoir
different
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CN201710913809.7A
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王俊甫
陶华上
周雄
宋书明
廖建中
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King's Ceramics & Chemicals Co Ltd
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King's Ceramics & Chemicals Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605Treating the starting powders individually or as mixtures
    • C04B35/6261Milling
    • C04B35/62615High energy or reactive ball milling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/10Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/131Inorganic additives
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/16Lean materials, e.g. grog, quartz
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
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    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
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  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

A kind of more component ceramic powder High Efficiency Superfine Ginding process and its grinding system, to the powder of different hardness, pre-grinding processing is rapidly achieved Ultra-fine respectively, then obtains the more uniform slurry of granularity by the way that homogenizing is mixed.The system is made of ball mill, stirring balancing reservoir and other ancillary equipments, the difference of the initial fineness of ceramic raw material and hardness is taken into full account, the material different to wearability is individually produced using ball mill grinding, then by above-mentioned slurries by pipeline into balancing reservoir, ensure that different powders is uniformly mixed by the agitating mode of the press-down type that turns up.The system avoids different hardness material influencing each other in milled processed, improves grinding efficiency, reduces milling time and grinding energy consumption, while also ensure that the uniformity of powder particles, is conducive to lift properties of product.

Description

A kind of more component ceramic powder High Efficiency Superfine Ginding process and its grinding system
Technical field
The present invention relates to ceramic powder grinding technique, more particularly to the ultra-fine high-efficient grinding of more component ceramic powders.
Background technology
Ceramic industry grinds the method that more component ceramic powders use on a large scale at present, is generally grown using ball mill mix grinding Up to 20 ~ 55h, the median of ceramic slurry has compared with coarse granule when containing more rigid material in powder 1.6 or so, Granularity is uneven.Data show when in ball mill material median be less than 1 μm after grinding efficiency with particle diameter attenuates and rapidly Reduce, increase milling time can cause the unit cost of production to raise, and secondly work as in multi-component masses material and contain more viscosity The reduction of ball mill grinding efficiency is also resulted in during material.
The ceramic raw material fineness degree disunity provided currently on the market, different material processing skill is also different, this is ceramic former Expect the non-uniform one of the main reasons of multiple size distributions occur during mix grinding, secondly different material nonhomogeneous hardness is larger, result in The wear-resisting property of material has very big difference, and simultaneous grinding can bring material grinding to be not thorough after all materials are mixed, and grind Inefficiency, and the situation that granularity differs occurs in different wearability materials, and final finished performance is adversely affected.
The content of the invention
The system is to overcome existing process technology to more component ceramic powder grinding efficiencies containing a variety of wearabilities The shortcomings that low, there is provided one kind is substantially shorter milling time, improves more component ceramic powder high-efficient grinding techniques of grinding efficiency.
To realize the object of the invention, there is provided following technical scheme:A kind of more component ceramic powder High Efficiency Superfine grinding sides Method, it is characterised in that comprise the following steps:
(1)Classify according to the Mohs' hardness of ceramic powder to ceramic powder, by Mohs' hardness numerical value difference in composition 2 with Interior material is divided into one group;
(2)Then different groups of material is added in different ball mills after being calculated according to existing formula rate, is made into solid Content is 50% -65% slurry;
(3)Using φ 8-φ 15mm abrasive medias by solid content in different ball mills be 50%-65% slurry in powder Required fineness is ground to, the slurry in different ball mills is transported in a balancing reservoir, stirs evenly, obtains finished product.
Preferably, ball mill is 5t or 10t ball mills, drum's speed of rotation about 20-25rad/min.
Preferably, balancing reservoir rotating speed of agitator about 50rad/min, blade mounting means is the press-down type that turns up, and bottom is starched Material stress is turned over to swarm from surrounding to be come, and move in circles flowing.
Beneficial effect of the present invention:
(1)The present invention takes into full account that the initial fineness degree of different rigid materials is different from wearability, using the independent grinding side of remixing Formula, by the combination between different milling apparatus, efficiently utilizes the characteristic and grinding efficiency of equipment.The milling apparatus device is not by With tonnage ball mill, balancing reservoir, connecting pipe composition, the material in different ball mills is ground to what is obtained after required fineness Slurry is delivered in balancing reservoir, and the motion mode by controlling slurry in balancing reservoir is sufficiently stirred slurry so that slurry mixing is equal It is even.
(2)The present invention has taken into full account that the initial difference in fiber fineness of ceramic raw material is larger and different material wearability difference is asked Topic, the material different to wearability are quickly ground to required granularity using individually being produced using ball mill grinding, improve production effect Rate, reduces energy consumption.
(3)Median is machined to by the present invention by more component ceramic powders containing more rigid material in 15-25h 1 μm or so, while processing cost is reduced, it is greatly improved production efficiency, while the powder granularity distribution of the method production More uniformly be conducive to optimization and lifting properties of product, improve product competitiveness.
Brief description of the drawings
Fig. 1 is the structure diagram of embodiment 1.
Embodiment
Embodiment 1:More component ceramic components:Kaolin 13%, clay 3%, quartz 2%, feldspar about 6%, zirconium oxide 5%, oxidation Aluminium 55%, zirconium silicate 16%.
First choice is divided into one group according to material of the raw material Mohs' hardness numerical value difference within 2, kaolin, clay, quartz, length Stone is A groups with ceramic auxiliary material, and aluminium oxide is B groups, and zirconium silicate, zirconium oxide are C groups;
Secondly by A groups raw material, totally 5 tons of addition 5T ball mill grindings 10h, B groups are total to 11 tons of raw material and are added to 10t ball mill grindings 25h, C Group raw material is added to another 5t ball mill grindings 18h and discharging median is all reached 1 μm or so for totally 4.2 tons, finally grinds packet The slurry in proportion of mill, which is squeezed into a mixing bowl, to be mixed;
Finally by all raw material mixed grinding techniques, by mixed material meso-position radius be ground to 1 μm or so, it is necessary to ball milling 27h when Between.Quick continuous production, equivalent milling time ratio are reached by production line 10t ball mills, 5t ball mills, a mixing bowl optimum organization Mix grinding reduces about 1.5h/10t, after testing the method grinding and former mixed grinding powder chemical composition content difference 0.5% with It is interior.
As shown in Figure 1, the present invention mainly by three table grinders 1,2,3, homogenizing stirring pool 5, butterfly valve 7,
Connecting pipe 8, diaphragm pump 9 etc. form, ball mill(2、3)Inside there is mill ball 4, by Mohs in multicomponent ceramic powder composition Material of the hardness values difference within 2 is divided into one group, is divided into 3 groups of No.1 material group A, B, C, and 1,2 is 5 tons of ball mills, and 3 For 10 tons of ball mills, A groups are added into No. 1 ball mill, B groups material adds No. 2 ball mills, C groups material No. 3 ball millings of addition Machine, start are ground to fineness blowing and clean.Slurries are connected to balancing reservoir 5 from discharge port by discharge pipe in ball mill, Changing has stirrer paddle 6 in pond, stirring mixes slurry, and the slurry in balancing reservoir is transported to grout outlet 10 by diaphragm pump 9.
By controlling material in the different ball mills of milling time to reach target fineness, it is injected separately into by pipeline It is homogenized in stirring pool, required epigranular is produced by being stirred to obtain, without the slurry being substantially segmented.
The ball mill 1,2,3 is 5 tons or 10 tons of ball mills, can be adjusted according to actual conditions and use multiple equipment, ball milling Bucket rotating speed about 20-25rad/min, 4 particle diameter of mill ball is 8-15mm in ball mill, suitable for being comparatively fast milled to tens μm of particles 1 μm or so of the particle diameter in position, the not high waste power consumption of grinding efficiency after median is less than 1 μm, this technique is according to different rigid materials Different milling times are set, discharging median is reached 1 μm or so within a short period of time.
Balancing reservoir 5 is lined with ceramic tile, rabble rotating speed about 50rad/min, and blade is press-down type installation of turning up in balancing reservoir, Bottom slurry stress is turned over to swarm from surrounding and down moved again to flow to centre, and move in circles flowing, quickly fills material in slurries Divide uniform.

Claims (4)

1. a kind of more component ceramic powder High Efficiency Superfine Ginding process, it is characterised in that comprise the following steps:
(1)Classify according to the Mohs' hardness of ceramic powder to ceramic powder, by Mohs' hardness numerical value difference in composition 2 with Interior material is divided into one group;
(2)Then different groups of material is added in different ball mills after being calculated according to existing formula rate, is made into solid Content is 50% -65% slurry;
(3)Using φ 8-φ 15mm abrasive medias by solid content in different ball mills be 50%-65% slurry in powder Required fineness is ground to, the slurry in different ball mills is transported in a balancing reservoir, stirs evenly, obtains finished product.
A kind of 2. more component ceramic powder High Efficiency Superfine Ginding process described in claim 1, it is characterised in that ball mill 5t Or 10t ball mills, drum's speed of rotation about 20-25rad/min.
A kind of 3. more component ceramic powder High Efficiency Superfine Ginding process according to claim 1, it is characterised in that balancing reservoir Rotating speed of agitator about 50rad/min, blade mounting means are the press-down type that turns up, and bottom slurry stress is turned over to swarm from surrounding to be come, and is followed Ring back and forth flows.
4. a kind of more component ceramic powder High Efficiency Superfine Ginding process grinding systems as described in one of claim 1 ~ 3, its It is characterized in that including passing through one by more table grinders, balancing reservoir, butterfly valve, connecting pipe, diaphragm pump, more table grinder discharge ports Discharge pipe is connected respectively to balancing reservoir, there is stirrer paddle in balancing reservoir, and stirrer paddle is press-down type installation of turning up.
CN201710913809.7A 2017-09-30 2017-09-30 A kind of more component ceramic powder High Efficiency Superfine Ginding process and its grinding system Pending CN107935602A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108395259A (en) * 2018-05-15 2018-08-14 广东鼎科技有限公司 The grouping grinding method of ceramic raw material
CN110143820A (en) * 2019-06-11 2019-08-20 佛山市蓝之鲸科技有限公司 Ceramic raw material wet process thin material slurrying mixture manufacturing line and its working method
CN111013747A (en) * 2019-12-19 2020-04-17 上海大学 Method for preparing nano-scale powder by ball milling
CN111423121A (en) * 2020-04-29 2020-07-17 佛山科学技术学院 Antibacterial ceramic glaze and preparation method thereof
CN112892793A (en) * 2021-01-15 2021-06-04 宜春职业技术学院(宜春市技术工人学校) Fine arts pigment grinder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102850054A (en) * 2011-09-21 2013-01-02 广东一鼎科技有限公司 Preparation method suitable for ceramic powder
CN106182407A (en) * 2015-05-07 2016-12-07 广东科达洁能股份有限公司 A kind of ceramic mud classification combines new technology and the equipment thereof of preparation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102850054A (en) * 2011-09-21 2013-01-02 广东一鼎科技有限公司 Preparation method suitable for ceramic powder
CN106182407A (en) * 2015-05-07 2016-12-07 广东科达洁能股份有限公司 A kind of ceramic mud classification combines new technology and the equipment thereof of preparation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108395259A (en) * 2018-05-15 2018-08-14 广东鼎科技有限公司 The grouping grinding method of ceramic raw material
CN110143820A (en) * 2019-06-11 2019-08-20 佛山市蓝之鲸科技有限公司 Ceramic raw material wet process thin material slurrying mixture manufacturing line and its working method
CN111013747A (en) * 2019-12-19 2020-04-17 上海大学 Method for preparing nano-scale powder by ball milling
CN111423121A (en) * 2020-04-29 2020-07-17 佛山科学技术学院 Antibacterial ceramic glaze and preparation method thereof
CN112892793A (en) * 2021-01-15 2021-06-04 宜春职业技术学院(宜春市技术工人学校) Fine arts pigment grinder
CN112892793B (en) * 2021-01-15 2022-07-22 宜春职业技术学院(宜春市技术工人学校) Fine arts pigment grinder

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Application publication date: 20180420