CN104096520B - The preparation method of fibrous type inorganic mineral gel - Google Patents
The preparation method of fibrous type inorganic mineral gel Download PDFInfo
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- CN104096520B CN104096520B CN201410335431.3A CN201410335431A CN104096520B CN 104096520 B CN104096520 B CN 104096520B CN 201410335431 A CN201410335431 A CN 201410335431A CN 104096520 B CN104096520 B CN 104096520B
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- inorganic mineral
- isopropyl alcohol
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Abstract
The invention discloses a kind of preparation method of fibrous type inorganic mineral gel, it is characterized in that this preparation method comprises the following steps: fibrous type clay breeze is broken to 120-200 order, add isopropyl alcohol and soak 4-6h, isopropyl alcohol is 1.5-2 times of clay weight; Wet-milling or pair roller extrude 3-5 time, stir and make the isopropanol suspension that concentration is the clay of 10-50wt%; Abandon the non-clay impurity of lower floor, add lithiumation agent, mixing speed 5000-10000rpm stirs 30-60min, and described lithiumation agent is a kind of in lithium chloride, lithium nitrate, lithium hydroxide, and its addition is the 2-10% of clay siccative weight; Centrifugal drying is carried out to ore pulp, obtains fibrous type inorganic mineral gel.The inventive method is simple and safe, and process is easy to control, and high product purity, high whiteness, high viscosity and easily disperse, raw material is easy to get, and dispersant, the lithiumation agent of interpolation are nontoxic, are easy to realize large-scale production.
Description
Technical field
The present invention relates to a kind of preparation method of fibrous type clay gel, belong to clay deep process technology field.
Background technology
At present, Mineral Inorganic Gel is prepared from primarily of high-purity bentonite deep processing, is widely used in daily-use chemical industry, papermaking, medicine and other fields.
The fibrous type such as attapulgite clay and sepiolite clay ore deposit can disperse the three-dimensional net structure forming similar " bavin buttress " type in water, thus has very strong gel-forming property.Compared with bentonite, such mineral anti-salt property is good, with the obvious advantage.
Natural inorganic mineral gel Chang Yishui is solvent, is prepared from through operations such as purification, modification and gels.With water slurrying, because viscosity restriction causes slurry concentration little, energy consumption is high and efficiency is low, and follow-up dehydrating causes serious hard aggregation, and nanometer effect is in earlier stage had a greatly reduced quality, and gained gel products quality significantly reduces.
Summary of the invention
The object of the invention is: the preparation method providing a kind of fibrous type inorganic mineral gel, and method safety is simple, is easy to realize large-scale production.
Technical solution of the present invention is: fibrous type clay breeze is broken to 120-200 order, adds isopropyl alcohol and soaks 4-6h, and isopropyl alcohol is 1.5-2 times of clay weight; Wet-milling or pair roller extrude 3-5 time, stir and make the isopropanol suspension that concentration is the clay of 10-50wt%; Abandon the non-clay impurity of lower floor, add lithiumation agent, mixing speed 5000-10000rpm stirs 30-60min, and described lithiumation agent is a kind of in lithium chloride, lithium nitrate, lithium hydroxide, and its addition is the 2-10% of clay siccative weight; Centrifugal drying is carried out to ore pulp, obtains fibrous type inorganic mineral gel.
Wherein, described fibrous type clay ore deposit is recessed soil or sepiolite fibre type clay ore deposit.
The invention has the advantages that:
1, take isopropyl alcohol as dispersion solvent, slurry concentration is high and viscosity is low, is conducive to improving production efficiency; Remove energy consumption needed for isopropyl alcohol low, and do not produce obvious secondary agglomeration.
2, introduce pair roller extrusion process, realize the effect that the brilliant bundle of fibrous type clay low cost strengthening dissociates;
3, adopt performance better lithiumation thing to replace common magnesia, barium monoxide, calcium oxide gelatinizing agent, make the inorganic gel obtained have the features such as high viscosity, easily dispersion, product combination property is better.
4, production technology is simple and safe, and production process is easy to control, and needed raw material is cheaply easy to get, and realizes low energy consumption, low cost prepares high-performance fiber type mineral coagulant.
Detailed description of the invention
Further illustrate technical solution of the present invention below in conjunction with embodiment, these embodiments should not be understood as the restriction to technical solution.
Embodiment 1: recessed for fibrous type native breeze is broken to 120 orders, add isopropyl alcohol and soak 4h, isopropyl alcohol is 1.5 times of clay weight; Wet-milling, 8000rpm stirs 0.5h and makes the isopropanol suspension that concentration is the clay of 10wt%; Abandon the non-clay impurity of lower floor, add lithium chloride with 2% of clay siccative weight, mixing speed 5000rpm stirs 60min; Carry out centrifugal to ore pulp, naturally dry, obtain recessed dust gelatin product.
Embodiment 2: fibrous type sepiolite is crushed to 160 orders, add isopropyl alcohol and soak 5h, isopropyl alcohol is 1.8 times of clay weight; Pair roller extrudes 3 times, and 6000rpm stirs 1h and makes the isopropanol suspension that concentration is the clay of 30wt%; Abandon the non-clay impurity of lower floor, add lithium nitrate with 6% of clay siccative weight, mixing speed 7500rpm stirs 45min; Carry out centrifugal to ore pulp, 100 DEG C of dryings, obtain sepiolite gel products.
Embodiment 3: recessed for fibrous type native breeze is broken to 200 orders, add isopropyl alcohol and soak 6h, isopropyl alcohol is 2 times of clay weight; Pair roller extrudes 5 times, and 7000rpm stirs 1h and makes the isopropanol suspension that concentration is the clay of 50wt%; Abandon the non-clay impurity of lower floor, add lithium hydroxide with 10% of clay siccative weight, mixing speed 10000rpm stirs 30min; Carry out centrifugal to ore pulp, 100 DEG C of dryings, obtain recessed dust gelatin product.
Claims (1)
1. the preparation method of fibrous type inorganic mineral gel, this preparation method comprises the following steps: fibrous type clay breeze is broken to 120-200 order, adds isopropyl alcohol and soaks 4-6h, and isopropyl alcohol is 1.5-2 times of clay weight; Wet-milling or pair roller extrude 3-5 time, stir and make the isopropanol suspension that concentration is the clay of 10-50wt%; Abandon the non-clay impurity of lower floor, add lithiumation agent, mixing speed 5000-10000rpm stirs 30-60min, and described lithiumation agent is a kind of in lithium chloride, lithium nitrate, lithium hydroxide, and its addition is the 2-10% of clay siccative weight; Centrifugal drying is carried out to ore pulp, obtains fibrous type inorganic mineral gel; Wherein, described fibrous type clay ore deposit is recessed soil or sepiolite fibre type clay ore deposit.
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| CN201410335431.3A CN104096520B (en) | 2014-07-15 | 2014-07-15 | The preparation method of fibrous type inorganic mineral gel |
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| CN201410335431.3A CN104096520B (en) | 2014-07-15 | 2014-07-15 | The preparation method of fibrous type inorganic mineral gel |
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| CN104096520A CN104096520A (en) | 2014-10-15 |
| CN104096520B true CN104096520B (en) | 2015-11-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426546A (en) * | 2016-09-12 | 2017-02-22 | 淮阴工学院 | Integrated continuous production type clay dissociation-modification-drying method |
| CN106544755B (en) * | 2016-10-10 | 2019-12-03 | 贵州大学 | A kind of preparation method of clay fiber |
| CN110918010B (en) * | 2019-12-06 | 2022-02-01 | 石家庄铁道大学 | Preparation method of sepiolite-graphene composite aerogel |
Citations (4)
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| CN1363515A (en) * | 2002-01-28 | 2002-08-14 | 国家非金属矿深加工工程技术研究中心 | Process for preparing natural magnesium aluminium silicate gel |
| CN101898765A (en) * | 2010-07-30 | 2010-12-01 | 淮阴工学院 | Method for effectively dispersing depolymerization and preventing secondary agglomeration of attapulgite clay crystal bundle |
| CN102548899A (en) * | 2009-08-26 | 2012-07-04 | 株式会社巴川制纸所 | Clay dispersion liquid, method for producing the clay dispersion liquid, clay film, method for producing the clay film, and transparent material |
| CN102649572A (en) * | 2011-02-24 | 2012-08-29 | 中国科学院兰州化学物理研究所 | Preparation method for attapulgite clay inorganic gel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7479264B2 (en) * | 2001-04-12 | 2009-01-20 | The Dow Chmeical Company | Synthetic platy magadiite and octasilicate |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1363515A (en) * | 2002-01-28 | 2002-08-14 | 国家非金属矿深加工工程技术研究中心 | Process for preparing natural magnesium aluminium silicate gel |
| CN102548899A (en) * | 2009-08-26 | 2012-07-04 | 株式会社巴川制纸所 | Clay dispersion liquid, method for producing the clay dispersion liquid, clay film, method for producing the clay film, and transparent material |
| CN101898765A (en) * | 2010-07-30 | 2010-12-01 | 淮阴工学院 | Method for effectively dispersing depolymerization and preventing secondary agglomeration of attapulgite clay crystal bundle |
| CN102649572A (en) * | 2011-02-24 | 2012-08-29 | 中国科学院兰州化学物理研究所 | Preparation method for attapulgite clay inorganic gel |
Non-Patent Citations (3)
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| 对辊处理对凹凸棒黏土理化性能;颉晓玲等;《应用化工》;20120531;第41卷(第5期);全文 * |
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