CN102557457A - Production method of solid microcrystalline balls - Google Patents

Production method of solid microcrystalline balls Download PDF

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Publication number
CN102557457A
CN102557457A CN2011104469984A CN201110446998A CN102557457A CN 102557457 A CN102557457 A CN 102557457A CN 2011104469984 A CN2011104469984 A CN 2011104469984A CN 201110446998 A CN201110446998 A CN 201110446998A CN 102557457 A CN102557457 A CN 102557457A
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Prior art keywords
ball
solid
crystallizing
sintering
crystallite
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Inventor
赵保华
邹辞阳
赵玉岭
梁东成
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ZIBO YUJING NEW MATERIALS TECHNOLOGY CO LTD
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ZIBO YUJING NEW MATERIALS TECHNOLOGY CO LTD
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Priority to CN2011104469984A priority Critical patent/CN102557457A/en
Publication of CN102557457A publication Critical patent/CN102557457A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

Abstract

The invention provides a production method of solid microcrystalline balls. The method aims at producing novel medium-low-grade green and environment-friendly solid microcrystalline balls by reasonably utilizing rich minerals according to a specific component formula through simple processing under the specific temperature schedule and production process conditions. The structure material of the solid microcrystalline balls is a complex-phase solid material composed of a glass phase and a crystal phase, and the solid microcrystalline balls can be widely applied to medium-low-grade grinding media and filler of fine powder treating equipment in ceramic, cement, chemical paint, paint, pigment, medical treatment, cosmetics and other industries. The production method of the solid microcrystalline balls is suitable for industrialized mass production, and has the characteristics of greatly lowering crystallizing temperature, shortening crystallizing heat-insulation time, improving labor productivity, saving energy, comprehensively and effectively utilizing resources, further greatly lowering product cost and the like.

Description

A kind of working method of solid crystallite ball
Technical field:
Solid crystallite ball is a kind of silicate product among the present invention, belongs to the building materials industry product, particularly relates to a kind of working method of solid crystallite ball.
Background technology:
The main aluminum oxide of solid sphere and the wear-resisting ball of zirconium white matter of domestic production at present.Common solid ceramic ball mainly contains alumina-ceramic ball, zirconia ceramics ball, silicon nitride ceramic ball, silicon carbide ceramics ball, silicon nitride ceramic ball.The alumina-ceramic ball has HS, high firmness, high-wearing feature; Than great, volume is little, excellent specific property such as high temperature resistant, corrosion-resistant, pollution-free and applied to the high-grade grinding medium and the stopping composition of industry fine powder treatment facilities such as pottery, cement, chemical paint, coating, pigment, medical treatment, makeup widely; Be the grinding element of fine crushing equipments such as ball mill, jar shape grinding machine, vibrating mill, it pulverizes mill efficiency and wear-resistant common ballstone or the natural cobblestone of being superior to greatly; The zirconia ceramics ball has at normal temperatures that high intensity and H.T., wear resistance are good, corrosion-and high-temp-resistant, rigidity are high, not magnetic conduction, electrical isolation; Silicon nitride ceramic ball is the high technology ceramics of high temperature sintering in nonoxidizing atmosphere, has HS, high-wearing feature; High temperature resistant, corrosion-resistant, acid-and base-resisting; And has a superperformance of the exhausted magnetic of exhausted electricity; Self lubricity can be used in the environment of unlubricated medium high pollution, is the first-selected material of ceramic bearing, hybrid ceramic ball bearing; Silicon carbide ceramics ball product performance are stable, light weight, and frictional coefficient is little, and exercise performance is good, and Young's modulus is big, and thermal expansivity is little, can keep HS and hardness under the high temperature, and is corrosion-resistant, and non-corrosive is nonmagnetic, can under the oil-free lubricatoin condition, work.No matter these solid ceramic balls still are to be the important effect of bringing into play aspect agriculture in industrial aspect.
Solid crystallite ball is the complex phase solid spheroidal material that a kind of its internal structure has glassy phase, crystal phase.
Solid crystallite ball is a kind of new green environment protection type material; Has ad hoc structure shape crystal phase solid material; The novel environment friendly material of the wear-resisting high-strength that solid crystallite ball is a kind of superior performance; It has good physicochemical properties such as stable, the anti-combustion of physical strength height, thermal property, indeformable, wear-resisting, heatproof, anti-rotten, anti-oxidant, acid and alkali-resistance, nontoxic, "dead", easy processing; With its weather resistance, security, safety, good chemicalstability, also can be applicable to the low and middle-grade grinding mediums and the stopping composition of industry fine powder treatment facilities such as pottery, cement, chemical paint, coating, pigment, medical treatment, makeup, simultaneously and deposit with multi-functionals such as wear-resisting, environmental protection, safety; Belong to country and advocate the industry of encouraging and supporting, have the vast market development prospect.
Solid crystallite ball adopts the production technology of cleaning, does not produce pollutent in the production process, and firing temperature is low; Energy consumption is low; Production efficiency is high, and can utilize the broken waste material of mineral products as producing desired raw material in a large number, turns waste into wealth; Save natural resources, solid crystallite ball will can be widely used in all respects in people's daily life with the ecological, environmental protective theory of its unique superior physicochemical property and " safety, healthy, health ".
Summary of the invention:
The working method of a kind of solid crystallite ball of the present invention; Its purpose is exactly the abundant mineral products of making rational use of resources; After simple processing; Prescription by specific component; Under specific temperature schedule and manufacturing condition, produce a kind of solid crystallite ball of new green environment protection, its internal structure is the complex phase solid material by glassy phase and crystal phase composite, and the ability popularization and application is in the low and middle-grade grinding mediums and the stopping composition of industry fine powder treatment facilities such as pottery, cement, chemical paint, coating, pigment, medical treatment, makeup.The Mineral resources of selecting special component for use are main raw material, add the part auxiliary material, can use no or little MOX, utilize Al 2O 3-CaO-SiO 2Crystalline phase figure according to specific prescription, mixes several kinds of raw material weighing; Drop into equably continuously after stirring in the fusing kiln, flow out the glass metal stock column from fusing kiln discharge port and directly become particle frit material with the cold water shrend, utilize drying line to dry particle frit material after; Be ground into 16~40 order fine sands and 60~200 order fine powders with disintegrating apparatus, spray cakingagent on the fine sand, on the collar plate shape apparatus for making pearl ball, evenly lay one deck 60~200 order fine powders; Roll into sphere of uniform size, after drying, put into mould; The gang mould tool is together put into the crystallization kiln and is carried out the thermal treatment of rapid crystallization sintering by certain temperature schedule, slowly annealing cooling, and the product after the demoulding is solid crystallite ball; Sieve check by diameter then, be solid crystallite ball.Its product colour can add tinting material adjustment as required, and this kind suitability for industrialized production reduces crystallization temperature greatly, shortens the crystallization soaking time, raises labour productivity, and saves the energy, and then reduces product cost significantly.
The present invention utilizes special component silica sand, coarse whiting sand to be the solid crystallite ball of main material production; Auxiliary material mainly contains commercial alumina, fusing assistant calcined soda for industry, industrial borax, industrial zinc oxide, oxygenant, finings etc., and these auxiliary materials reasonably collocation are very favourable to producing solid crystallite ball.Different according to adding tinting material, can produce the abundant solid crystallite ball of color, when selecting little swage raw material for use, will produce beautiful white solid crystallite ball, sparkling and crystal-clear as beautiful, pure white like pearl.
The working method of a kind of solid crystallite ball of the present invention, its prescription and production technique comprise the following steps:
1. mixing raw material: the following granularity of raw material, weight percent are mixed by special formulation, puddle evenly:
Quartz sand size 0.1~0.7mm 42~55%
Coarse whiting fineness of sand 0.1~2.2mm 20~33%
Calcined soda for industry 3.5~10%
Commercial alumina 3.5~10%
Industrial borax 0~5.5%
Industrial potassium titanate 2.5~6.5%
Industry zinc oxide 0~6.5%
Finings 0~1%
Oxygenant 0~2.5%
Tinting material 0~1.5%
Wherein said tinting material comprises Cr 2O 3, CoO, CuO, nickel oxide, nickel protoxide, red stone, manganese oxide, cadmium red, cadmium yellow, selenium powder or the like have the raw material of coloring effect to micro-crystal board material;
2. high temperature melting: above-mentioned mixing raw material is put into glass furnace be fused into glass metal, 1420~1550 ℃ of temperature of fusion;
3. shrend: glass metal is flowed in the tank, and shrend becomes the particulate material of diameter 0~6 mm;
4. oven dry is pulverized: above-mentioned particulate material is dried with drying plant, be ground into fineness 16~40 order fine sands and 60~200 order fine powders with disintegrating apparatus then;
5. system ball: above-mentioned powder is directly sent in the collar plate shape system ball equipment, on 16~40 order fine sands, sprayed cakingagent, on the collar plate shape apparatus for making pearl ball, evenly lay one deck 60~200 order fine powders, roll into spheroid of uniform size;
6. crystallizing and sintering thermal treatment: the above-mentioned spheroid of processing is packed in the mould, put into the crystallizing and sintering kiln and carry out crystallizing and sintering thermal treatment, 750~1080 ℃ of crystallizing and sintering temperature, crystallizing and sintering soaking time 10~60 minutes;
7. annealing kiln discharge: directly annealing in the crystallizing and sintering kiln is annealed to 150~200 ℃ of temperature, 3~10 hours time, kiln discharge cooling;
8. the demoulding: take out the solid crystallite ball of the moulding in the mould, fully cooling;
9. screening: press different diameter size spheroid, utilize vibratory screening apparatus to sieve classification;
10. check and packing: solid crystallite ball is tested, and through being up to the standards, packing is solid crystallite ball finished product, and is for sale.
The working method of a kind of solid crystallite ball of the present invention, its production technique divide four to go on foot greatly: the first step is produced qualified crystallite frit material; Powder after the oven dry of second step is pulverized also utilizes system ball equipment to process spheroid to be burnt; The 3rd step crystallizing and sintering kiln is pressed the specified temp system, and controlled crystallizing and sintering goes out solid crystallite ball; The 4th step was screening check and packing.The first step is exactly after mixing the raw material stirring of specific composition, through handling equipment and feeding equipment, continuously evenly to drop in the melt tank furnace, and the glass metal stock column that comes out is quenched into particulate material with cold water; Second step was exactly to utilize disintegrating apparatus these particulate material oven dry and having dried the microcrystal grain material; Process 16~40 order fine sands and 60~200 order fine powders; On 16~40 order fine sands, spray cakingagent; On the collar plate shape apparatus for making pearl ball, evenly lay one deck 60~200 order fine powders, roll into spheroid of uniform size; The 3rd step packed above-mentioned spheroid in the mould into, put into the crystallizing and sintering kiln and carried out crystallizing and sintering thermal treatment, and thermal treatment finishes, and the demoulding obtains solid crystallite ball; The 4th step by the different diameter requirement, utilized vibratory screening apparatus to sieve classification to solid crystallite ball, through the product that is up to the standards, was solid crystallite ball finished product after the packing.This production technology characteristic is: the one, and the production of crystallite frit; The 2nd, flouring technology; The 3rd, ball making process, this step has determined quality product and specification, influences product percent of pass; The 4th, crystallizing and sintering thermal treatment promptly through specific temperature schedule control microcrystal size, the sintering degree of solid crystallite ball, and then has determined solid crystallite ball performance, is a most key step, adopts rapid sintering technique; The 5th, screening is sorted out, and check and packing because the product own wt is low weight, are convenient to transportation, relatively are suitable for the robotization production-lines.
Description of drawings:Fig. 1 is the working method schema of a kind of solid crystallite ball of the present invention.By raw material 1, mix to carry 2, fusing 3, shrend 4, oven dry 5, grinding 6, system ball 7, crystallizing and sintering thermal treatment 8, annealing 9, demoulding cooling 10, screening 11, check 12, packaging final prod 13 form.
Solid crystallite ball with the inventive method production; Its internal structure by glassy phase and crystal mutually form matrix material, principal crystalline phase is mainly β-wollastonite, principal crystalline phase content accounts for 30~70%; Glassy phase, crystal are added ball-like structure own mutually; Improved the physical strength of material greatly, expanded the solid sphere Application Areas, the physical and chemical index of the solid crystallite ball of this kind:
Proportion: 2.55~2.7 acidproof rates:>98%
Morse hardness: 6.0~8.5 ultimate compression strength: 320~420mpa
Water-intake rate: < 0.1% alkaline-resisting rate:>96%
Heat resisting temperature: 450~750 ℃
The working method of a kind of solid crystallite ball of the present invention utilizes cheap mineral products abundant on the earth to be main raw material, like silica sand, coarse whiting etc.; Reduce raw materials cost greatly, crystallizing and sintering and annealing process directly carry out continuously, but continuous production; Thereby enhance productivity; Output improves, and saves the energy, improves the business economic benefit.
Embodiment
are done below in conjunction with embodiment and are further described.
Embodiment one
Silica sand 46% coarse whiting sand 30% commercial alumina 5.5%
Industrial potassium titanate 3.5% calcined soda for industry 5% industrial zinc oxide 5%
Industrial borax 2.6% oxygenant 2% finings 0.4%
Above-mentioned raw materials mixed puddle evenly, put into 1500 ℃ of temperature of smelting furnace warp and be fused into glass metal, become the particulate material below 6 mm through shrend again; After the drying plant oven dry, directly be ground into fineness 20 order fine sands and 120 order fine powders, on 20 order fine sands, spray cakingagent; On the collar plate shape apparatus for making pearl ball, evenly lay one deck 120 order crystallite fine powders, roll into spheroid of uniform size, behind the dress mould; Put into crystallizing and sintering kiln internal heating to 980 together with mould and ℃ carry out controlled crystallizing and sintering thermal treatment, 35 minutes crystallization foamed heat insulating time, directly slowly cooling of annealing then; Be cooled to 150 ℃, 9 hours time, kiln discharge after the demoulding, cooling, screening sort out; Through being up to the standards, promptly be beautiful white solid crystallite ball, be solid crystallite ball finished product after the packing.
Embodiment two
Silica sand 50% coarse whiting sand 26% commercial alumina 5.5%
Industrial potassium titanate 3.5% calcined soda for industry 5% industrial zinc oxide 5%
Industrial borax 2.5% oxygenant 2% finings 0.2%
Tinting material 0.3%
Above-mentioned raw materials mixed puddle evenly, put into 1480 ℃ of temperature of smelting furnace warp and be fused into glass metal, become the particulate material below 6 mm through shrend again; After the drying plant oven dry, directly be ground into fineness 15 order fine sands and 180 order fine powders, on 15 order fine sands, spray cakingagent; On the collar plate shape apparatus for making pearl ball, evenly lay one deck 180 order crystallite fine powders, roll into spheroid of uniform size, behind the dress mould; Put into crystallizing and sintering kiln internal heating to 950 together with mould and ℃ carry out controlled crystallizing and sintering thermal treatment, 30 minutes crystallization foamed heat insulating time, directly slowly cooling of annealing then; Be cooled to 150 ℃, 8.5 hours time, kiln discharge after the demoulding, cooling, screening sort out; Through being up to the standards, promptly be light yellow solid crystallite ball, be solid crystallite ball finished product after the packing.
Embodiment three
Silica sand (powder) 52% coarse whiting sand (powder) 27% commercial alumina 6%
Industrial potassium titanate 3% calcined soda for industry 3% industrial zinc oxide 4%
Industrial borax 2.6% oxygenant 2% finings 0.3%
Tinting material 0.1%
Above-mentioned raw materials mixed puddle evenly, put into 1520 ℃ of temperature of smelting furnace warp and be fused into glass metal, become the particulate material below 6 mm through shrend again; After the drying plant oven dry, directly be ground into fineness 35 order fine sands and 80 order fine powders, on 35 order fine sands, spray cakingagent; On the collar plate shape apparatus for making pearl ball, evenly lay one deck 80 order crystallite fine powders, roll into spheroid of uniform size, behind the dress mould; Put into crystallizing and sintering kiln internal heating to 900 together with mould and ℃ carry out controlled crystallizing and sintering thermal treatment, 25 minutes crystallization foamed heat insulating time, directly slowly cooling of annealing then; Be cooled to 150 ℃, 8 hours time, kiln discharge after the demoulding, cooling, screening sort out; Through being up to the standards, promptly be light grey solid crystallite ball, be solid crystallite ball finished product after the packing.

Claims (4)

1. the working method of a solid crystallite ball is characterized in that comprising the following steps:
(1) mixing raw material: the following granularity of raw material, weight percent are mixed by special formulation, puddle evenly:
Quartz sand size 0.1~0.7mm 42~55%
Coarse whiting fineness of sand 0.1~2.2mm 20~33%
Calcined soda for industry 3.5~10%
Commercial alumina 3.5~10%
Industrial borax 0~5.5%
Industrial potassium titanate 2.5~6.5%
Industry zinc oxide 0~6.5%
Finings 0~1%
Oxygenant 0~2.5%
Tinting material 0~1.5%
Wherein said tinting material comprises Cr 2O 3, CoO, CuO, nickel oxide, nickel protoxide, red stone, manganese oxide, cadmium red, cadmium yellow, selenium powder or the like have the raw material of coloring effect to micro-crystal board material;
(2). high temperature melting: above-mentioned mixing raw material is put into smelting furnace be fused into glass metal, 1420~1550 ℃ of temperature of fusion;
(3). shrend: glass metal is flowed in the tank, and shrend becomes the particulate material of diameter 0~6 mm;
Oven dry is pulverized: above-mentioned particulate material is dried with drying plant, be ground into fineness 16~40 order fine sands and 60~200 order fine powders with disintegrating apparatus then; System ball: above-mentioned powder is directly sent in the collar plate shape system ball equipment, on 16~40 order fine sands, sprayed cakingagent, on the collar plate shape apparatus for making pearl ball, evenly lay one deck 60~200 order fine powders, roll into spheroid of uniform size;
(6). crystallizing and sintering thermal treatment: the above-mentioned spheroid of processing is packed in the mould, put into the crystallizing and sintering kiln and carry out crystallizing and sintering thermal treatment, 750~180 ℃ of crystallizing and sintering temperature, crystallizing and sintering soaking time 10~60 minutes;
(7). the annealing kiln discharge: directly annealing in the crystallization foaming kiln is annealed to 150~200 ℃ of temperature, 3~10 hours time, kiln discharge cooling;
(8). the demoulding: take out the solid crystallite ball of the moulding in the mould, fully cooling;
(9). screening: press different diameter size spheroid, utilize vibratory screening apparatus to sieve classification;
(10). check and packing: solid crystallite ball is tested, and through being up to the standards, packing is solid crystallite ball finished product, and is for sale.
2. the working method of a kind of solid crystallite ball according to claim 1; It is characterized in that making ball and crystallizing and sintering thermal treatment process; Select 16~40 order fine sands and 60~200 order fine powders and collar plate shape system ball equipment for use; Produce qualified spheroid, to guarantee having the crystal phase of solid construction and the composite spheroid of glassy phase after the crystallizing and sintering thermal treatment.
3. the working method of a kind of solid crystallite ball according to claim 1, it is characterized in that its production technique divide four greatly the step: the first step is produced qualified crystallite frit material; Powder after the oven dry of second step is pulverized also utilizes system ball equipment to process spheroid to be burnt; The 3rd step crystallizing and sintering kiln is pressed the specified temp system, and controlled crystallizing and sintering goes out solid crystallite ball; The 4th step was screening check and packing; The first step is exactly after mixing the raw material stirring of specific composition, through handling equipment and feeding equipment, continuously evenly to drop in the melt tank furnace, and the glass metal stock column that comes out is quenched into particulate material with cold water; Second step was exactly to utilize disintegrating apparatus these particulate material oven dry and having dried the microcrystal grain material; Process 16~40 order fine sands and 60~200 order fine powders; On 16~40 order fine sands, spray cakingagent; On the collar plate shape apparatus for making pearl ball, evenly lay one deck 60~200 order fine powders, roll into spheroid of uniform size; The 3rd step packed above-mentioned spheroid in the mould into, put into the crystallizing and sintering kiln and carried out crystallizing and sintering thermal treatment, and thermal treatment finishes, and the demoulding obtains solid crystallite ball; The 4th step by the different diameter requirement, utilized vibratory screening apparatus to sieve classification to solid crystallite ball, through the product that is up to the standards, was solid crystallite ball finished product after the packing; This production technology characteristic is: the one, and the production of crystallite frit; The 2nd, flouring technology; The 3rd, ball making process, this step has determined quality product and specification, influences product percent of pass; The 4th, crystallizing and sintering thermal treatment promptly through specific temperature schedule control microcrystal size, the sintering degree of solid crystallite ball, and then has determined solid crystallite ball performance, is a most key step, adopts rapid sintering technique; The 5th, screening is sorted out, and check and packing because the product own wt is low weight, are convenient to transportation, relatively are suitable for the robotization production-lines.
4. the working method of a kind of solid crystallite ball according to claim 1, it is characterized in that its Production Flow Chart by raw material 1, mix to carry 2, fusing 3, shrend 4, oven dry 5, grinding 6, system ball 7, crystallizing and sintering thermal treatment 8, annealing 9, demoulding cooling 10, screening 11, check 12, packaging final prod 13 form; With the solid crystallite ball that the inventive method is produced, its internal structure is that glassy phase and crystal phase composite matrix material are arranged, and principal crystalline phase is mainly β-wollastonite, its physical and chemical index:
Proportion: 2.55~2.7 acidproof rates:>98%
Morse hardness: 6.0~8.5 ultimate compression strength: 320~420mpa
Water-intake rate: < 0.1% alkaline-resisting rate:>96%
Heat resisting temperature: 450~750 ℃.
CN2011104469984A 2011-12-28 2011-12-28 Production method of solid microcrystalline balls Pending CN102557457A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104045237A (en) * 2014-06-30 2014-09-17 四川一名微晶科技股份有限公司 Red microcrystalline glass plate and production method thereof
CN104045238A (en) * 2014-06-30 2014-09-17 四川一名微晶科技股份有限公司 Green microcrystalline glass plate and production method thereof
CN104845584A (en) * 2015-01-06 2015-08-19 朱晖 Nonmetal grinding medium for cement grinding, and application thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104045237A (en) * 2014-06-30 2014-09-17 四川一名微晶科技股份有限公司 Red microcrystalline glass plate and production method thereof
CN104045238A (en) * 2014-06-30 2014-09-17 四川一名微晶科技股份有限公司 Green microcrystalline glass plate and production method thereof
CN104845584A (en) * 2015-01-06 2015-08-19 朱晖 Nonmetal grinding medium for cement grinding, and application thereof

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Application publication date: 20120711

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