CN1061946C - Process for producing sodium-base bentonite from calcium-base bentomite - Google Patents

Process for producing sodium-base bentonite from calcium-base bentomite Download PDF

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CN1061946C
CN1061946C CN97103231A CN97103231A CN1061946C CN 1061946 C CN1061946 C CN 1061946C CN 97103231 A CN97103231 A CN 97103231A CN 97103231 A CN97103231 A CN 97103231A CN 1061946 C CN1061946 C CN 1061946C
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bentonite
sodium bentonite
base
soda ash
production
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CN1194940A (en
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孙忠
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孙忠
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Abstract

本发明属于膨润土的深加工技术。 The present invention pertains bentonite processing technology. 主要适用于将天然钙基膨润土通过人工“干法”改型为钠基膨润土。 Mainly adapted to the natural calcium bentonite by artificial modification of "dry" is sodium bentonite. 其核心是只用一台雷蒙磨一次性实现离子交换反应和除去杂质矿物两个目的,快速方便地生成钠基膨润土。 The core is two purposes only and mineral impurities removed quickly and easily generate sodium bentonite with a grinder to achieve a disposable ion exchange reaction. 完全实现了工厂连续化生产、工序短、成本低、经济价值高,优于目前国内外采用的生产方法。 The full realization of factory continuous production, short process, low cost, high economic value, better than at home and abroad adopt production methods.

Description

一种用钙基膨润土生产钠基膨润土的方法 A method of producing Ca-bentonite with sodium bentonite

本发明属于膨润土的深加工技术。 The present invention pertains bentonite processing technology. 主要适用于将天然钙基膨润土通过人工“干法”改型为钠基膨润土。 Mainly adapted to the natural calcium bentonite by artificial modification of "dry" is sodium bentonite.

膨润土用作铸造型砂粘结剂、钻井泥浆、铁矿球团粘结剂,作为生产活性白土、有机膨润土的原料,且在建筑工程防渗、环保地下隔水、饲料添加剂、洗涤助剂等方面均有广泛应用。 Bentonite is used as foundry sand binders, drilling mud, iron ore pellet binder, as raw materials to produce activated clay, organic bentonite, impermeable and impermeable construction engineering, underground environment, feed additives, detergent builder, etc. It is widely used. 并且,钠基膨润土由于具有比钙基膨润土更优越的物理化学性能,其工业应用价值更大,应用范围更广,膨润土素有“万能土”之称,在国内外均有极广泛的用途。 Also, due to the sodium bentonite, calcium bentonite than superior physical and chemical properties, its industrial applications greater value, a wider range of applications, bentonite known as "universal soil," said, at home and abroad have a very wide range of uses.

经检索,与本发明相关的文献是:1、中国专利公开号CN-1033948A2、美国专利USP 3865240从上述文献看出:国内外用钙基膨润土生产钠基膨润土的传统方法主要有两种,一种为湿法,即在Na2CO3溶液中进行离子交换反应的方法;另一种为半干法,即湿原矿与纯碱粉混合后,堆置陈化完成离子交换反应的方法。 Retrieved, the document related to the present invention is: 1, Chinese Patent Publication No. CN-1033948A2, U.S. Patent No. USP 3865240 seen from the above literature: calcium bentonite conventional method of production of sodium bentonite at home and abroad with the main there are two types wet process, i.e. ion exchange reaction is carried out in a Na2CO3 solution; the other is a semi-dry, i.e., after mixing the wet ore with soda ash powder, ion exchange reaction stacking aging is completed. 上述中国专利发明了一种将湿原矿破碎,在双螺旋搅拌混合器中与纯碱粉混合,再在双螺旋反应器中以一定压力经受剪切变形完成离子交换反应,而后经晒干(或烘干)粉磨生产钠基膨润土的方法。 Chinese invention patent described above to a wet crushed ore is mixed with soda ash powder double helical stirring mixer, and then subjected to shear deformation at a constant pressure to complete the ion exchange reaction in a reactor in the double helix, and then dried over (or bake dry) grinding production method of a sodium bentonite. 虽然对传统生产方法作了较大改进,仍存在如下缺陷:1、需要原矿初破碎工艺和设备,2、需经双螺旋搅拌混合器与纯碱粉搅拌混合,3、需在双螺旋反应器中加压剪切变形实现交换反应,4、需用设备多、工艺路线长、仍不能很好地实现工厂连续化生产,5、生产成本仍较高。 Although improvements made larger traditional production methods, there are still the following disadvantages: 1, requires ore crushing process and apparatus beginning, 2, subject to the double helix mixer and stirred soda ash powder stirring and mixing 3, required in the double helix reactor pressurizing shear deformation to achieve transesterification, 4, required equipment and more routing length, still can not achieve a good continuous production plant, 5, production costs remain high.

本发明的目的在于提供一种工序十分简单,除雷蒙磨外不需任何其他设备,完全适于工厂连续化生产,质量稳定、可部分除杂、周期短、成本低的用钙基膨润土生产钠基膨润土的方法。 Object of the present invention is to provide a very simple process, in addition to any other device without Raymond, fully adapted to continuous production plant, stable quality, can be part of cleaning, short cycle, low cost of production by Ca-bentonite the method of the sodium bentonite.

本发明的目的由如下技术方案实施,其生产方法由选料、晾晒、加碱粉磨、包装几个过程构成:(1)选用胶质价大于50ml/15g,膨胀容大于4ml/g的天然钙基膨润土作原料;(2)原料经晾晒后的水份应在13%~18%之间,块度应小于1厘米;(3)以原料重量为基础加入过20目筛的纯碱粉2~3.5(重量)%;(4)纯碱粉在雷蒙磨内与原料充分混合同时被原料中残留的水份溶解,生成钠基膨润土,经风选送入包装袋中。 Object of the present invention is implemented by the following technical solutions, their production by the choice of materials, drying, grinding alkali, several processes constituting the packaging: (1) selection of glial valence of greater than 50ml / 15g, the expansion capacity is greater than the natural 4ml / g of calcium bentonite as starting material; moisture after (2) drying raw materials should be between 13% to 18%, of the block should be less than 1 cm; (3) a weight basis added to the raw material through a 20 mesh sieve soda ash powder 2 to 3.5 (wt)%; (4) in the soda ash powder feed grinder while thoroughly mixed with the raw material is dissolved in the remaining water to produce sodium bentonite, winnowing into the bag. 交换反应式为:经晾晒入磨前原料的水份为15~17%。 Exchange reaction is: into the mill through the raw material before drying is 15 to 17% moisture.

在雷蒙磨振动给料机上安装加碱料斗,纯碱粉直接通过装在振动给料机上的料斗,以控制加碱量为2~3.5%的流量随原料进入雷蒙磨(4R摆式磨粉机),振动机工作时给料又给纯碱粉,振动机不工作时,既不给料也不给纯碱粉。 Raymond vibration feeder is mounted on the hopper alkali, soda ash powder is directly mounted on the vibrating feeder through a hopper to control the alkali content of 2% to 3.5% with the flow of material into the grinder of (4R tilting Mill machine), gave feed soda ash powder, vibration is not operating, neither feed nor to the work machine vibration soda ash powder. 这种按比例均匀加碱的方法为最佳。 This method according to the proportion of base is best applied uniformly.

可根据原料质量的变化调节加碱料斗出料口的大小,控制加碱量为2~3.5(重量)%。 Can be adjusted according to a change of feedstock mass adding a base the size of the hopper discharge opening to control the amount of alkali is from 2 to 3.5 (wt)%.

在所述雷蒙磨磨体下侧设一小口,原矿中所含砂粒等杂质矿物,粒度大于2mm者自雷蒙磨上割开的小口受离心力和风力的作用而甩出,在完成离子交换反应的同时对原料实现了干法提纯。 Raymond mill body at the lower side provided a small mouth, sand and other mineral impurities contained in the ore, since the particle size of greater than 2mm were cut Raymond small mouth by the action of centrifugal force and wind and thrown in to complete the ion exchange while the reaction of the raw material to achieve a dry purification. 实现了除去部分杂质矿物的目的。 Achieving the purpose of removing a portion of the mineral impurities.

本发明不需其他设备及生产工序,在雷蒙磨内一次性完成离子交换反应、物料中残余水份蒸发及除去部分杂质矿物等多道生产工序,既彻底实现工厂连续化生产,又提高生产效率。 The present invention does not need additional equipment and production processes, in the ion exchange Raymond time completion of the reaction, the residual material in the evaporation and removal of moisture and other mineral impurities part production processes, both continuous production plant to achieve thorough, and improve production effectiveness.

下面说明本发明的原理:变钙基膨润土为钠基膨润土的原理就是创造Na2CO3的离子化条件,使Na+离子与钙基膨润土中蒙脱石晶层间的Ca2+离子发生交换反应,并创造加快交换反应的环境条件。 The principles of the present invention will be described below: Principles variant calcium bentonite to sodium bentonite is to create plasma conditions of Na2CO3, so that Na + Ca2 + ion-exchange reaction between the ions and calcium bentonite montmorillonite crystal layer, and the creation of acceleration of the exchange environmental conditions of the reaction. 其反应式为: The reaction is:

本发明的生产工艺创造了促进离子交换反应快速进行的必需条件:1、Na2CO3干粉可被膨润土中残留的水份所溶解从而产生出足够浓度的Na+离子;2、设备运转产生的升温效应提高了交换反应的温度,从而加快了交换反应的速度;3、膨润土在雷蒙磨中被高速辗压,其结构受到高剪切变形力的作用,更促进了交换反应快速进行;4、反应产物之一CaCO3的水难溶性,限制了交换反应向反方向进行的机会:↓本发明的优点如下:1、本发明的生产方法为“干法”,加入的纯碱为粉状,所用的膨润土原料也非饱和湿度(含水30~50%),而是近干物料,生产过程无废碱液排放,加工过程产生的少量粉尘,已为布袋收尘法收集,无环境污染问题;2、生产设备少,仅需一台雷蒙磨,无需任何其它设备,投资少,见效快;3、由于在雷蒙磨内一次性完成离子交换反应、蒸发残 Production process of the present invention is created to promote ion required in exchange reaction proceeds rapidly to: 1, Na2CO3 powder may be bentonite residual moisture dissolved to produce a sufficient concentration of Na + ions; 2, warming effect operation of equipment produced increased exchange reaction temperature, thereby speeding up the exchange reaction; 3, bentonite rolling in high speed grinder, the structure subjected to high shear force of the deformation, but also to promote the exchange reaction proceeds rapidly; 4, the reaction product of water-soluble a CaCO3, limiting the opportunity to exchange reaction proceeds in the reverse direction: advantages ↓ of the present invention are as follows: 1, the production method of the present invention is a "dry", adding soda ash powder, used in the bentonite raw material is also unsaturated humidity (30-50% water), but nearly dry materials, the production process without waste lye emissions, a small amount of dust generated in the process, as has been collected by the dust collection bag, and no environmental pollution; 2, less equipment , only one grinder, without any other equipment, less investment; 3, due to the completion Raymond ion exchange reaction in the disposable evaporated residue 水份、除去部分杂质矿物等工艺过程,反应速度快,工序短,生产效率高;4、生产周期短,完全实现了工厂连续化生产,可形成一条快速、简捷的自动生产线;5、由于使用设备少而降低了能耗,由于工序短、工艺简单因而生产所需人力也少,由于反应速度快、反应彻底因而消耗纯碱量也少,从而使生产成本大幅度降低,除增加35元/吨左右纯碱的成本外,已与干法生产钙基膨润土粉的生产成本无异;6、由于充分提供了彻底完成交换反应的工艺技术条件,且这些条件易于控制,因此,不仅产品质量好而且稳定;7、巧妙地利用了近干膨润土自身的持水能力,设备运转自身产生的升温效应以及物料在设备中产生的离心力和设备的风选能力,实现了一台设备“干法”完成反应、蒸发、除杂的工艺过程。 Water, part of mineral impurities other processes removed, the reaction speed, short process, high production efficiency; 4, short production period, full realization of the plant continuous production, can form a fast, simple and automated production lines; 5, the use reduced energy consumption and less equipment, due to the short step, the process is simple and thus less manpower needed for the production, since the reaction speed, and thus the reaction completely consumed less the amount of soda ash, thereby reduce production costs significantly, in addition to an increase of 35 yuan / ton about cost soda ash, the production costs have been produced with the calcium bentonite powder dry tantamount; 6, since adequate technology provides a fully complete exchange reaction conditions, and these conditions are easy to control, and therefore, only good quality and stable ; 7, clever use of nearly dry bentonite itself winnowing capacity water holding capacity, the centrifugal force and increases the heating effect devices the operation of self-generated and the material produced in the device, implemented with a device "dry" completion of the reaction, evaporation, the process of impurity.

下面结合附图和实施例对本发明作进一步说明。 The present invention is further described below in conjunction with the accompanying drawings and embodiments.

图1为本发明的工艺流程图。 Figure 1 is a process flow diagram of the invention.

图2为本发明对雷蒙磨改造的结构示意图。 Raymond engineered structural diagram of FIG. 2 of the present invention.

发明人对呼和浩特市东郊榆林天然钙基膨润土近百次小型试验,采用胶质表1. The inventors Huhhot Dongjiao Yulin natural calcium bentonite small test nearly a hundred times, in Table 1 using gum. 改型前后有关指标对比 Before and after retrofit the indicators

价大于50ml/15g,膨胀容大于4ml/g的天然钙基膨润土,在工业生产条件下进行“干法”改型,均获得了优质钠基膨润土产品。 Value greater than 50ml / 15g, the expansion volume greater than 4ml / g of natural calcium bentonite, a "dry" modifications under industrial conditions, were obtained high quality product sodium bentonite. 现举几例作为本发明的实施例,有关数据如上页表1。 Now give a few examples embodiments of the present invention, the data as a page table.

在雷蒙磨振动给料机1上安装加碱料斗2,纯碱粉直接通过装在振动给料机1上的料斗2,并根据原料质量的变化调节加碱料斗2出料口的大小,以控制加碱量为2~3.5(重量)%为最佳量随原料进入雷蒙磨3(4R摆式磨粉机),振动机工作时给料又给纯碱粉,振动机不工作时,既不给料也不给纯碱粉。 Alkali hopper mounted on the vibration feeder 12 Raymond, soda ash powder directly mounted on a vibrating feeder hopper 2, and is adjusted according to changes in the quality of the raw material alkali hopper discharge opening size of 2 to controlling the amount of alkali is from 2 to 3.5 (wt)% with the optimum amount of material into the grinder 3 (4R tilting mill), soda ash powder feed gave working machine vibration, the vibration is not operating, both do not feed nor to soda ash powder. 这种按比例均匀加碱的方法为最佳。 This method according to the proportion of base is best applied uniformly.

在所述雷蒙磨3磨体下侧设一小口4,原矿中所含砂粒等杂质矿物,粒度大于2mm者自小口4受离心力和风力的作用而甩出,在完成离子交换反应的同时对原料实现了干法提纯。 Raymond mill body 3 at the lower side of the opening 4 is provided a small, sand and other mineral impurities contained in the ore, a particle size of greater than 2mm were brought port 4 by the centrifugal force and wind and thrown, at the same time to complete the ion exchange reaction of purification to achieve a dry material. 实现了除去部分杂质矿物的目的。 Achieving the purpose of removing a portion of the mineral impurities.

Claims (2)

1.一种用钙基膨润土生产钠基膨润土的方法,由选料、晾晒、加碱粉磨、包装构成,其特征在于:(1)选用胶质价大于50ml/15g,膨胀容大于4ml/g的天然钙基膨润土作原料;(2)原料经晾晒后的水份应在13%~18%之间,块度应小于1厘米;(3)以原料重量为基础加入过20目筛的纯碱粉2~3.5(重量)%;(4)纯碱粉在雷蒙磨内与原料充分混合同时被原料中残留的水份溶解,生成钠基膨润土,经风选送入包装袋中。 CLAIMS 1. A method for the production of calcium bentonite, sodium bentonite, by the choice of materials, drying, grinding alkali, package configuration, comprising: (1) selection of glial valence of greater than 50ml / 15g, the expansion volume greater than 4ml / g of natural calcium bentonite as starting material; (2) the raw materials after drying of water should be between 13% to 18%, of the block should be less than 1 cm; (3) a weight basis added to the raw material through a 20 mesh sieve soda ash powder, 2 to 3.5 (wt)%; (4) in the soda ash powder feed grinder while thoroughly mixed with the raw material is dissolved in the remaining water to produce sodium bentonite, winnowing into the bag.
2.根据权利要求1所述的一种用钙基膨润土生产钠基膨润土的方法,其特征在于经晾晒入磨前原料的水份为15~17%。 The one of the method of claim 1 producing calcium bentonite, sodium bentonite, which is characterized in that into the ground water before drying feedstock by 15 to 17%.
CN97103231A 1997-03-31 1997-03-31 Process for producing sodium-base bentonite from calcium-base bentomite CN1061946C (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10081574B2 (en) 2015-11-30 2018-09-25 King Fahd University Of Petroleum And Minerals Process for converting calcium bentonite to sodium bentonite

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005022075A1 (en) 2005-05-12 2006-11-16 Süd-Chemie AG Fast disintegrating Betonitgranulate
CN100463853C (en) 2005-12-30 2009-02-25 中国地质大学(武汉) Method for preparing high-purity montmorillonite
CN101130433B (en) 2006-08-25 2012-01-18 贾成林 Method of producing high sinkingproof organobentonite
CN101774596B (en) 2010-01-13 2012-11-14 中国非金属矿工业公司 Cheto-type bentonite sodium modification method and device thereof
CN101757887B (en) * 2010-03-08 2012-07-04 厦门大学 Method for increasing COD-based absorption capacity of calcium-based bentonite
CN102965086B (en) * 2012-05-03 2015-08-19 董宪姝 A kind of drilling mud preparation method for bentonite
CN102765730A (en) * 2012-08-02 2012-11-07 中国科技开发院广西分院 Preparation method of high-performance multipurpose modified bentonite
CN107384438A (en) * 2017-08-25 2017-11-24 芜湖飞尚非金属材料有限公司 A kind of preparation method of bentonite soil conditioner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85105253A (en) * 1985-07-11 1987-04-15 地质矿产部探矿工程研究所 Artificial sodium based bentonite
CN1033948A (en) * 1988-01-05 1989-07-19 周运臣 Method for preparation of sodium-base bentonite from calcium-base bentonite

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85105253A (en) * 1985-07-11 1987-04-15 地质矿产部探矿工程研究所 Artificial sodium based bentonite
CN1033948A (en) * 1988-01-05 1989-07-19 周运臣 Method for preparation of sodium-base bentonite from calcium-base bentonite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10081574B2 (en) 2015-11-30 2018-09-25 King Fahd University Of Petroleum And Minerals Process for converting calcium bentonite to sodium bentonite

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