CN102167560B - Production method for attapulgite artistic ceramic slurry - Google Patents
Production method for attapulgite artistic ceramic slurry Download PDFInfo
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- CN102167560B CN102167560B CN201010562408A CN201010562408A CN102167560B CN 102167560 B CN102167560 B CN 102167560B CN 201010562408 A CN201010562408 A CN 201010562408A CN 201010562408 A CN201010562408 A CN 201010562408A CN 102167560 B CN102167560 B CN 102167560B
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Abstract
The invention discloses a production method for attapulgite artistic ceramic slurry. The key point of the technical scheme is that the production method comprises the following steps of: stirring ingredients of the attapulgite artistic ceramic slurry in a stirrer, performing sodium ageing treatment to obtain a moist mixture, pressing the moist mixture into a sheet, extruding into a strip, airing, grinding, removing iron from powder to obtain a semi-finished product, and stirring the semi-finished product in a vacuum mixer to obtain the finished product of the attapulgite artistic ceramic slurry. The attapulgite artistic ceramic slurry consists of paste attapulgite clay, white bentonite powder, calcined clay powder, caoline powder, alkali lignin and sodium carbonate. Artistic ceramic products prepared from the attapulgite artistic ceramic slurry have the characteristics of small drying shrinkage, no deformation, high rupture strength and uniform texture, blank cracks can be reduced, the semi-finished product damage rate in the forming process is reduced, and the attapulgite artistic ceramic slurry is suitable for forming and producing artistic ceramic products by a grouting method.
Description
Technical field
The present invention relates to ceramic size, be specifically related to a kind of production method of concavo-convex excellent art pottery slurry.
Background technology
The composition of china clay mainly is a kaolin; And containing feldspar, quartz, mica, iron ore and other fragments as the rock in china clay source, china clay is the primary raw material of pottery, develops kaolin that high-grade household china needs high-quality as raw material; The high speed development of domestic ceramic industry in recent years; Kaolinic consumption is also increased severely thereupon, but along with the exhaustion of high grade kaolinite mineral ore, the price of china clay skyrockets day by day.
Under the prerequisite that guarantees the china clay quality, develop new china clay raw material and replace kaolin or reduce kaolinic consumption, to protect our ecological environment,, the high-grade household china of future development guarantees for providing more sufficient raw material.
The art pottery is typical case's representative of Chinese pottery Artistic Design, and is with a long history, technical maturity, and decoration technique is abundant, and sight is strong, and cognition degree is high.
The slurry of producing art pottery casting requires to have good mobility, thixotropy, suspension, stability, moisture content and permeability; But some china clay raw material newly developed just are difficult to the condition that reaches above-mentioned, directly have influence on the quality of art pottery product.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of production method of concavo-convex excellent art pottery slurry is provided.
The production method of concavo-convex excellent art pottery slurry is: stir in the batching adding mixer with concavo-convex excellent art pottery slurry earlier; Stir and carry out that sodium is old to be treated to moistening shape mixture in the old pond of back input, moistening shape mixture is pressed into tablet, be squeezed into bar again; Carry out abrasive dust after the airing; Powder is carried out being after the deironing semi-finished product, semi-finished product are imported is added water in the de-airing mixer and stir that the slurry that back output is the finished product of concavo-convex excellent art pottery slurry.
Concavo-convex excellent art pottery slurry is made up of paste attapulgite clay, white bentonite in powder, ripe flint clay powder, kaolin powder, alkali lignin and sodium carbonate.
Concave-convex clay rod be a kind of layer of chain structure contain Shuifu County's zeopan clay mineral; Color is white in color, canescence, cinerous, celadon or weak silky luster; Magnesia in the Concave-convex clay rod can weaken in the ceramic base substrate because the yellow that Fe and Ti compound are produced; Promote the translucence of porcelain base, improve the mechanical strength of base substrate, the Concave-convex clay rod color that the present invention selects for use is white in color.
The Concave-convex clay rod soil property is fine and smooth, and oily soapy is arranged, and light weight, property are crisp, and fracture is conchoidal or irregular shape, and water imbibition is strong, tool viscosity and plasticity when wet, and its viscosity can reach more than the 3000mPas, helps the bonding between the raw material;
Concave-convex clay rod has unique dispersive property, suspension is met dielectric and do not produced flocculation sediment, and dry after-contraction is little, does not produce be full of cracks, and has good, the high temperature resistant and anti-good properties such as saline and alkaline of thixotropy;
Use concavo-convex excellent ore pul making production technology; The screening of mineral such as the hydromica in the Concave-convex clay rod, quartz, opal and carbonate is got rid of; Obtain a kind of paste attapulgite clay, have the characteristics of ultrafine dust, friction little, the no sand feeling of hardness and soft fine and smooth free from extraneous odour.
Paste attapulgite clay becomes the special good natural gelinite of a kind of thixotropy and gumminess through powerful stirring at a high speed, and viscosity is up to more than the 10000mPas.
The bentonitic Main Ingredients and Appearance of white is a montmorillonite; Be the mineral of the hydrous alumino silicates formation of a kind of layer structure, flaky crystal, the content of iron is less, has the flight of colors of going out and absorption property; Also have plasticity and good caking property, in the aqueous solution, be suspension and as a form of gel; Be easy to generate crackle after the bentonite drying; After white bentonite and Concave-convex clay rod soak the sodium modification processing jointly; The ceramic that can avoid the use of the production of concavo-convex excellent art pottery slurry cracks; Also help the plasticity and raising whiteness of regulating concavo-convex excellent art pottery slurry, the present invention selects for use the grain fineness of white bentonite in powder less than 0.074 millimeter.
Flint clay is the multiple mixture that contains aluminosilicate; Main chemical compositions is silica and two kinds of oxides of alundum (Al; Ripe flint clay is that the flint clay raw ore forms after high-temperature calcination; Ripe flint clay whiteness and luminosity are good, have quality evenly, characteristic such as compact structure, volume stability, refractory temperature high strength be big, in water, be difficult for disperseing, plasticity is lower and water absorption rate is little; The ripe flint clay powder particles fineness that the present invention selects for use is less than 0.074 millimeter, is used for improving the content of the alundum (Al of concavo-convex excellent art pottery slurry, and it is low to avoid into the porcelain temperature, reduces distortion and raising whiteness that ceramic produces when burning till.
The kaolin outward appearance is white, light gray isochrome, compact massive or loose earthy have soapy feeling; The sticking tongue in dry back has water imbibition, and the kaolin refractoriness is high; The pure kaolin of matter have whiteness height, matter soft, be prone to dispersion suspension in water, good plasticity and high caking property, kaolin calcined back look white, whiteness can reach more than 80%; The present invention selects the kaolin powder after the calcining for use, and the grain fineness of kaolin powder is less than 0.074 millimeter.
Alkali lignin has physicochemical properties such as good caking property, dilution property, dispersiveness, adsorptivity, permeability, surface-active, chemism and biologically active; Be used for porcelain and high-grade porcelain slurry can improve yield rate, reduce production costs, shorten the production cycle, help modern production.
Sodium carbonate is used for that in the present invention concavo-convex excellent art pottery slurry batching is carried out the old modification of sodium to be handled, and can improve the plasticity and the adhesive property of concavo-convex excellent art pottery slurry.
The present invention is achieved through following technical proposals:
1, the production method of concavo-convex excellent art pottery slurry is: stir in (1) batching adding mixer with concavo-convex excellent art pottery slurry; Stir and carry out that sodium is old to be treated to moistening shape mixture in the old pond of back input, the old time of sodium was controlled at 1～15 day; (2) with being pressed into tablet in the moistening shape mixture input twin rollers, the thickness of tablet is less than 3 millimeters; (3) tablet is imported be squeezed into cylindrical strip thing in the extruder, the diameter of cylindrical strip thing is controlled at 2～10 millimeters, and (4) are input to the cement threshing ground with cylindrical strip thing and carry out airing, and the cylindrical strip thing water content after the airing is less than 15%; (5) with carrying out abrasive dust in the cylindrical strip thing input grinding machine after the airing; And in the meal outlet access pipeline self-tipping type permanent-magnetic iron expeller with grinding machine; Powder to abrasive dust output carries out being semi-finished product after the deironing, and half-finished grain fineness is less than 0.044 millimeter, and stir adding water in the input of the semi-finished product after the deironing de-airing mixer (6); The moisture content of concavo-convex excellent art pottery slurry finished product is controlled at 25%～50%, and the slurry that stirs back output is the finished product of concavo-convex excellent art pottery slurry.
Concavo-convex excellent art pottery slurry evenly stirs under vacuum state and drains the bubble in the slurry, has guaranteed the quality of concavo-convex excellent art pottery slurry.
The raw-material batching of said concavo-convex excellent art pottery slurry is made up of following component by weight percentage: paste attapulgite clay 55～75%, white bentonite in powder 5～25%, ripe flint clay powder 5～20%, kaolin powder 5～15%, sodium carbonate 0.1～2%, alkali lignin 0.1～2% and water 1～30%.
The production technology of said paste attapulgite clay:, after extruder is squeezed into sheet, imports once more in the mixer and stir with stirring in the concavo-convex excellent ore deposit input mixer; Natural drying after extruder is squeezed into sheet, the concavo-convex excellent ore deposit of drying is transported in the feed reservoir soaks, and dashes with air pump and turns over; Post precipitation is emitted soaked in water, and the sieve decontamination is in the input semi-finished product pond; Again soak, dash with air pump and turn over, post precipitation is emitted soaked in water; And with the slurry transportation of post precipitation in the finished product pond, be paste attapulgite clay.
Said paste attapulgite clay is made up of following component by weight percentage: Concave-convex clay rod 25～60%, water 40～75%.
This production technology is to adopt " the concavo-convex excellent ore pul making production technology " in application on January 6th, 2004 by the inventor, and the Chinese patent Granted publication number is: CN1287965C, Granted publication day: on December 6th, 2006.
The raw-material batching of concavo-convex excellent art pottery slurry is through after the old processing of sodium, being pressed into tablet and being squeezed into bar, and its internal microstructure is by " bulking ", and forms micro-gap and crack; Thereby moisture is got into wherein easily; Cause microstructural hydration swelling, so that the dispersion of under weak dispersion condition, just can in medium, disintegrating, viscosity higher formed; Thixotropy also obviously strengthens; Can also strengthen the old effect of concavo-convex excellent art pottery slurry, improve the osmotic pressure of ion between pulp particle, improve the plasticity and the thixotropy of concavo-convex excellent art pottery slurry.
Concavo-convex excellent art pottery slurry has advantages of good caking property, plasticity, flowability, thixotropy, suspension, stability, moisture content and permeability.
The art pottery goods that use concavo-convex excellent art pottery slurry to produce have the advantages that drying shrinkage is little, do not produce distortion, rupture strength height and quality homogeneous, can reduce blank cracking, reduce the semi-finished product breakage rate in the forming process.
Adopt in the pipeline self-tipping type permanent-magnetic iron expeller powder is carried out deironing, can effectively improve the whiteness of concavo-convex excellent art pottery slurry.
The production method technology of concavo-convex excellent art pottery slurry is simple, low production cost.
Concavo-convex excellent art pottery slurry is applicable to slip casting method shaping production art pottery goods.
The specific embodiment
Below in conjunction with embodiment the present invention is done further description:
1, the production method of concavo-convex excellent art pottery slurry is: stir in (1) batching adding mixer with concavo-convex excellent art pottery slurry; Stir and carry out that sodium is old to be treated to moistening shape mixture in the old pond of back input, the old time of sodium was controlled at 10 days; (2) with being pressed into tablet in the moistening shape mixture input twin rollers, the thickness of tablet is less than 3 millimeters; (3) tablet is imported be squeezed into cylindrical strip thing in the extruder, the diameter of cylindrical strip thing is controlled at 3 millimeters, and (4) are input to the cement threshing ground with cylindrical strip thing and carry out airing, and the cylindrical strip thing water content after the airing is less than 15%; (5) with carrying out abrasive dust in the cylindrical strip thing input grinding machine after the airing; And in the meal outlet access pipeline self-tipping type permanent-magnetic iron expeller with grinding machine; Powder to abrasive dust output carries out being semi-finished product after the deironing, and half-finished grain fineness is less than 0.044 millimeter, and stir adding water in the input of the semi-finished product after the deironing de-airing mixer (6); The moisture content of concavo-convex excellent art pottery slurry finished product is controlled at 30%～35%, and the slurry that stirs back output is the finished product of concavo-convex excellent art pottery slurry.
The raw-material batching of said concavo-convex excellent art pottery slurry is made up of following component by weight percentage: paste attapulgite clay 62%, white bentonite in powder 14%, ripe flint clay powder 10%, kaolin powder 8%, sodium carbonate 0.6%, alkali lignin 0.4% and water 5%.
Claims (1)
1. the production method of a concavo-convex excellent art pottery slurry; It is characterized in that; (1) batching of concavo-convex excellent art pottery slurry is added in the mixer stir, carry out in the old pond of input, back that stirs that sodium is old to be treated to moistening shape mixture, the old time of sodium was controlled at 1～15 day; (2) with being pressed into tablet in the moistening shape mixture input twin rollers, the thickness of tablet is less than 3 millimeters; (3) tablet is imported be squeezed into cylindrical strip thing in the extruder, the diameter of cylindrical strip thing is controlled at 2～10 millimeters, and (4) are input to the cement threshing ground with cylindrical strip thing and carry out airing, and the cylindrical strip thing water content after the airing is less than 15%; (5) with carrying out abrasive dust in the cylindrical strip thing input grinding machine after the airing; And in the meal outlet access pipeline self-tipping type permanent-magnetic iron expeller with grinding machine; Powder to abrasive dust output carries out being semi-finished product after the deironing, and half-finished grain fineness is less than 0.044 millimeter, and stir adding water in the input of the semi-finished product after the deironing de-airing mixer (6); The moisture content of concavo-convex excellent art pottery slurry finished product is controlled at 25%～50%, and the slurry that stirs back output is the finished product of concavo-convex excellent art pottery slurry;
The batching of said concavo-convex excellent art pottery slurry is made up of following component by weight percentage: paste attapulgite clay 55～75%, white bentonite in powder 5～25%, ripe flint clay powder 5～20%, kaolin powder 5～15%, sodium carbonate 0.1～2%, alkali lignin 0.1～2% and water 1～30%, and each component sum is 100%;
The production technology of said paste attapulgite clay:, after extruder is squeezed into sheet, imports once more in the mixer and stir with stirring in the concavo-convex excellent ore deposit input mixer; Natural drying after extruder is squeezed into sheet, the concavo-convex excellent ore deposit of drying is transported in the feed reservoir soaks, and dashes with air pump and turns over; Post precipitation is emitted soaked in water, and the sieve decontamination is in the input semi-finished product pond; Again soak, dash with air pump and turn over, post precipitation is emitted soaked in water; And with the slurry transportation of post precipitation in the finished product pond, be paste attapulgite clay;
Said paste attapulgite clay is made up of following component by weight percentage: Concave-convex clay rod 25～60%, water 40～75%.
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| CN201010562408A CN102167560B (en) | 2010-11-29 | 2010-11-29 | Production method for attapulgite artistic ceramic slurry |
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| CN102167560B true CN102167560B (en) | 2012-10-10 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284735A (en) * | 2008-05-16 | 2008-10-15 | 中国科学技术大学 | A porous body heat exchange element |
| CN101498395A (en) * | 2009-03-06 | 2009-08-05 | 江苏华伟佳建材科技有限公司 | Expansion vitrification micro-bead thermal insulation pipe case and production method thereof |
| US7752804B2 (en) * | 2007-02-26 | 2010-07-13 | Profile Products L.L.C. | Porous and non-porous particle reinforcement for viscous hydraulic matrices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7752804B2 (en) * | 2007-02-26 | 2010-07-13 | Profile Products L.L.C. | Porous and non-porous particle reinforcement for viscous hydraulic matrices |
| CN101284735A (en) * | 2008-05-16 | 2008-10-15 | 中国科学技术大学 | A porous body heat exchange element |
| CN101498395A (en) * | 2009-03-06 | 2009-08-05 | 江苏华伟佳建材科技有限公司 | Expansion vitrification micro-bead thermal insulation pipe case and production method thereof |
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Granted publication date: 20121010 Termination date: 20131129 |