CN1699259A - Process for improving viscosity of attapulgite clay - Google Patents
Process for improving viscosity of attapulgite clay Download PDFInfo
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- CN1699259A CN1699259A CN 200510040601 CN200510040601A CN1699259A CN 1699259 A CN1699259 A CN 1699259A CN 200510040601 CN200510040601 CN 200510040601 CN 200510040601 A CN200510040601 A CN 200510040601A CN 1699259 A CN1699259 A CN 1699259A
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- attapulgite clay
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- improves viscosity
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Abstract
The invention discloses a jprocess for improving viscosity of attapulgite clay which comprises the steps of modification treatment, batching, agitating, milling and detect. The process can be applied into the real processing procedure of Attapulgite clay, and can increase the viscosity of the end product by over 35%.
Description
Technical field:
The present invention relates to the nonmetalliferous ore complete processing, be specifically related to a kind of complete processing that improves viscosity of attapulgite clay.
Background technology:
Attapulgite clay has another name called polygorskite or Palygorskite, be a kind of tool chain laminate structure contain Shuifu County's magnesium silicate clay mineral.Attapulgite clay has higher plasticity-under aqueous situation, have good stability in high temperature and salt solution, and density is little, is generally 2.05～2.30g/cm
2, hardness 2～3 (Mohs' hardness).
Because the crystalline structure of attapulgite uniqueness makes it to have many special materializations and processing performance, it is wide to become a kind of purposes, one of clay mineral products that economic worth is high.Attapulgite clay is mainly used in aspects such as purification of water quality, caking agent, farm chemical carrier, molecular sieve, siccative, sorbent material, coating, mud, atlapulgite, foundry sand and chemical industry.
China attapulgite clay mineral deposit mainly is distributed in the Mingguang City in Xuyi, Luhe County and the Anhui Province in Jiangsu Province, the viscosity of attapulgite clay, and each mining area great disparity is all bigger, and the mining area that has is up to more than the 3000mPas, and the mining area that has has only below the 100mPas.
Chinese patent publication number CN1187461, open day is on January 15th, 1998, name is called " technique for producing high-viscosity adhesive ' Aotu ' soil ", disclose that " a kind of technique for producing high-viscosity adhesive ' Aotu ' soil; it is a raw material with the attapulgite clay ore deposit; through ore dressing, fragmentation adds and rolls after activator soaks again, dries, pulverizes and form.After rolling, dry, pulverizing, enter respectively and send the detection that rotational viscosimeter carries out viscosity to after homogenizer stirs, make it produce full-bodied binding agent, be used to produce the crushing strength height, the molecular sieve of long service life.This technology is simple, abundant raw material, and is with low cost.”
The foregoing invention weak point is that with the attapulgite clay that " technique for producing high-viscosity adhesive ' Aotu ' soil " produced, the raising rate of practical viscosity is not high.
Summary of the invention:
The objective of the invention is to overcome weak point in the prior art, a kind of complete processing that improves viscosity of attapulgite clay is provided.
The complete processing of raising viscosity of attapulgite clay of the present invention is: natural weathering, modification processing, batching, stirring, abrasive dust and detection.
Attapulgite clay behind the mining area exploitation needs through nature weathering, blocky attapulgite clay, through the nature weathering, disintegration is the attapulgite clay of fine granularity, because the effect of natural weathering, its viscosity ratio has just been exploited the viscosity of attapulgite clay, rises to some extent; Attapulgite clay, after adding yellow soda ash, through soaking, carry out Na and Ca replacement(metathesis)reaction with attapulgite clay, extruding be with the bundle dividing of attapulgite from, tear, to increase its volume of voids and specific surface area, to improve the viscosity of attapulgite clay, High hydrophilous resin and Mierocrystalline cellulose can increase the viscosity of attapulgite clay.
The present invention is achieved by following technical proposals:
1, natural weathering: the attapulgite clay behind the mining area exploitation, can not be used for immediately producing, need be through 30～120 days natural weathering, the attapulgite clay after the weathering of detection nature, its viscosity ratio has just been exploited the viscosity of attapulgite clay, can improve more than 3%.
2, modification is handled:,
1. take from the attapulgite clay 94～98% after the right weathering, evenly add 2～6% yellow soda ash, import jointly in the fermentation vat, add clear water and soak ageing, soak time is 72～120 hours.
2. get the attapulgite clay after the immersion, stir in the input stirrer, and the attapulgite clay after will stirring, being extruded into thin slice through extrusion machine, its gauge control is at 0.5～2 millimeter.
3. with the attapulgite clay thin slice, carry out airing, the attapulgite clay thin slice after the airing, its water content answers≤15%.
After the modification processing, detect the viscosity of attapulgite clay, than the viscosity of firm exploitation attapulgite clay, can improve more than 5%.
3, batching is calculated by weight percentage: the attapulgite clay 94～98% after the airing, High hydrophilous resin 0.5～5% and Mierocrystalline cellulose 0.5～3%.
4, above-mentioned batching is stirred, carry out abrasive dust in the back input grinding machine that stirs, particle fineness is answered≤0.074 millimeter.
5, detect: behind abrasive dust, detect the practical viscosity of attapulgite clay,, can improve more than 35% than the viscosity of firm exploitation attapulgite clay.
The complete processing of raising viscosity of attapulgite clay of the present invention is applicable to the deep processing of attapulgite clay.
Embodiment:
The invention will be further described below in conjunction with embodiment:
1, natural weathering: the attapulgite clay behind the mining area exploitation, the viscosity that detects attapulgite clay is 1800mPas, and through 80 days natural weathering, detecting its viscosity was 1880mPas, and the viscosity than firm exploitation attapulgite clay has improved 4.44%.
2, modification is handled:
1. take from the attapulgite clay 97% after the right weathering, evenly add 3% yellow soda ash, import jointly in the fermentation vat, add clear water and soak ageing, soak time is 96 hours.
2. get the attapulgite clay after the immersion, stir in the input stirrer, and the attapulgite clay after will stirring, being extruded into thin slice through extrusion machine, its gauge control is at 1.0 millimeters.
3. with the attapulgite clay thin slice, carry out airing, the attapulgite clay thin slice after the airing, its water content≤15%.
After the modification processing, detecting its viscosity is 2000mPas, the viscosity of attapulgite clay, and the viscosity than firm exploitation attapulgite clay has improved 11.1%.
3, batching is calculated with weight percent: the attapulgite clay 96% after the airing, High hydrophilous resin 2% and Mierocrystalline cellulose 2%.
4, above-mentioned batching is stirred, carry out abrasive dust in the back input grinding machine that stirs, particle fineness is answered≤0.074 millimeter.
5, detect: take a sample behind the abrasive dust, detecting its viscosity is 2800mpas, and the viscosity than firm exploitation attapulgite clay has improved 55.55%.
Claims (5)
1, a kind of complete processing that improves viscosity of attapulgite clay is characterized in that, the complete processing that improves viscosity of attapulgite clay is: natural weathering, modification processing, batching, stirring, abrasive dust and detection.
2, a kind of complete processing that improves viscosity of attapulgite clay according to claim 1 is characterized in that, the attapulgite clay behind the mining area exploitation can not be used for producing immediately, need be through 30～120 days natural weathering.
3, a kind of complete processing that improves viscosity of attapulgite clay according to claim 1, it is characterized in that, take from the attapulgite clay 94～98% after the right weathering, evenly add 2～6% yellow soda ash, in the common input fermentation vat, add clear water and soak ageing, soak time is 72～120 hours; Get the attapulgite clay after the immersion, stir in the input stirrer, and the attapulgite clay after will stirring, being extruded into thin slice through extrusion machine, its gauge control is at 0.5～2 millimeter; With the attapulgite clay thin slice, carry out airing, the attapulgite clay thin slice after the airing, its water content answers≤15%.
4, a kind of complete processing that improves viscosity of attapulgite clay according to claim 1, it is characterized in that, batching is calculated by weight percentage: the attapulgite clay 94～98% after the airing, High hydrophilous resin 0.5～5% and Mierocrystalline cellulose 0.5～3%, above-mentioned batching is stirred, carry out abrasive dust in the input grinding machine after stirring, particle fineness is answered≤0.074 millimeter.
5, a kind of complete processing that improves viscosity of attapulgite clay according to claim 1 is characterized in that, behind abrasive dust, sampling detects the viscosity of attapulgite clay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100406016A CN1317067C (en) | 2005-06-20 | 2005-06-20 | Process for improving viscosity of attapulgite clay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100406016A CN1317067C (en) | 2005-06-20 | 2005-06-20 | Process for improving viscosity of attapulgite clay |
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| CN1699259A true CN1699259A (en) | 2005-11-23 |
| CN1317067C CN1317067C (en) | 2007-05-23 |
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