钽铌矿石选矿

钽铌矿选矿流程Tantalum-niobium ore dressing process is a crucial step in the extraction of these precious metals. It involves various stages such as crushing, grinding, magnetic separation, and flotation to separatethe valuable minerals from the gangue.钽铌矿选矿流程是提取这些珍贵金属的关键步骤。

它涉及多个阶段，如破碎、磨矿、磁选和浮选，从而实现将有价矿物与脉石分离。

选矿过程需要精密的操作和科学的方法来确保高效提取目标金属。

The first step in the tantalum-niobium ore dressing process is crushing. This is where the ore is broken down into smaller pieces to facilitate further processing. The crushed ore is then ground into fine particles to expose the valuable minerals for extraction.钽铌矿选矿流程中的第一步骤是破碎。

这是将矿石分解成较小颗粒以便进行更深加工。

破碎后的矿石随后被磨碎成细颗粒，以暴露出有价矿物以便提取。

After grinding, the ore undergoes magnetic separation to removeany magnetic minerals that may interfere with the extraction process.This is followed by flotation, where froth flotation is used to separate the valuable minerals from the gangue based on their hydrophobicity.磨磨后，矿石经过磁选处理，以去除可能干扰提取过程的任何磁性矿物。

细粒钽铌矿选矿工艺流程英文回答：Tantalum-niobium ore is a valuable mineral resourcethat is widely used in various industries, including electronics, aerospace, and automotive. The ore istypically found in complex geological formations andrequires a detailed beneficiation process to extract the valuable minerals. In this article, I will discuss the process of beneficiation for fine-grained tantalum-niobium ore.The beneficiation process for fine-grained tantalum-niobium ore typically involves several stages, including crushing, grinding, gravity separation, magnetic separation, and flotation. Let's go through each stage in detail.1. Crushing: The first step in the beneficiationprocess is to crush the ore into small particles. This can be done using jaw crushers or cone crushers. The crushedore is then further ground to a finer size using ball mills or rod mills.2. Grinding: The ground ore is then subjected togrinding to further reduce its size. This is typically done using ball mills or rod mills. The purpose of grinding isto liberate the valuable minerals from the gangue minerals and prepare the ore for the subsequent separation processes.3. Gravity separation: After grinding, the ore is subjected to gravity separation to separate the heavy minerals from the light minerals. Gravity separation is based on the differences in the specific gravity of the minerals. Common gravity separation methods include jigging, shaking table, and spiral chute. The heavy minerals, suchas tantalum and niobium, will settle to the bottom, whilethe light minerals will float to the top.4. Magnetic separation: The next step is magnetic separation, which is used to separate the magnetic minerals from the non-magnetic minerals. This is achieved byapplying a magnetic field to the ore. The magnetic minerals,such as magnetite and ilmenite, will be attracted to the magnetic field and can be easily separated from the non-magnetic minerals.5. Flotation: The final stage in the beneficiation process is flotation, which is used to separate the valuable minerals from the gangue minerals based on their hydrophobicity. In flotation, the ore is mixed with water and chemicals, and air bubbles are introduced. The hydrophobic minerals will attach to the air bubbles andrise to the surface, forming a froth, while the hydrophilic gangue minerals will remain in the water. The froth containing the valuable minerals can then be collected and further processed.Overall, the beneficiation process for fine-grained tantalum-niobium ore involves crushing, grinding, gravity separation, magnetic separation, and flotation. Each stage plays a crucial role in extracting the valuable minerals and preparing the ore for further processing. By optimizing each stage of the process, it is possible to achieve a high recovery rate of tantalum and niobium from the ore.中文回答：钽铌矿是一种有价值的矿产资源，广泛应用于电子、航空航天和汽车等各个行业。

书山有路勤为径，学海无涯苦作舟国内外铌钽选矿指标国内外铌钽选矿指标见下表：%备注γαβθε1宜春钽铌矿选矿厂1500 铌钽锰矿-细晶石花岗岩矿床。

主要金属矿物为富锰铌钽铁矿、细晶石、含钽锡石、锂云母三段开路碎矿加洗矿流程，二段磨矿、二段分级、泥砂分选、重选尾矿浮锂云母。

钽铌精矿自然脱水，红外线干燥钽铌精矿锂云母精矿0.03610.031443.990.015550.59 品位为（TaNb）2O3 含量2 派潭矿选矿厂1200 砂矿床。

主要金属矿物为铌铁矿、锆石、锡石、独居石、钛铁矿原矿筛洗除渣，分级跳汰、螺旋溜槽、摇床粗选，粗精矿精选采用重-磁-电联合流程铌钽精矿0.00620.008355.800.004841.85 同上3 可可托海选矿750 花岗伟晶岩矿床。

主要金属矿物钽铌铁矿、细晶石、锂辉石、绿柱石二段开路碎矿，二段磨矿，二段选别，采用旋转螺旋溜床粗选和摇床-磁选-电选联合流程钽铌精矿0.03250.02550.00.0087565.0 同上4 栗木矿选矿厂1000 钽铌铁矿-铌钽铁矿花岗岩矿床。

主要金属矿物为铌铁矿、铌锰矿、锰钽矿、细晶石、锡石、黝锡矿、胶态锡、黑钨矿二段开路碎矿，二段磨矿，二段分级跳汰、摇床，矿泥集中分级，摇床、离心机、皮带溜槽重选流程得锡、钽、铌、钨混合粗精矿，粗精矿精选采用重-磁-水冶联合流程钽铌钨混合粗精矿0.330.02052.5150.012840.44 同上5[加]伯尼克湖（Bernic Lake）钽选矿厂830 花岗伟晶岩矿床。

主要金属矿物为锡石、锡锰钽矿、重钽铁矿、钽锆矿、钽锡矿、细晶石三段闭路碎矿，一段磨矿、螺旋选矿机、摇床粗选，摇床中矿再磨再选，矿泥集中采用重-浮流程钽精矿0.24～0.260.1335～400.034～0.03672～74 同上6[巴西]阿拉克萨（Araxa）铌选矿厂3500 碳酸盐岩复合矿床。

主要金属矿物为水钡锶黄绿石、针铁矿一段碎矿，一段磨矿，经三次旋流器脱泥后浮选铌精矿3.232.5～3.059～651.1669.9 同上。

钽铌矿是指含有钽和铌地矿物的总称，共有百余种，其中可作矿石开采的，主要由钽铁矿、铌铁矿和烧绿石。

钽铌都属于高熔点、高沸点的稀有金属，外观似钢，灰白色光泽，粉末呈深灰色，具有吸气、耐腐蚀、超导性、单极导电性和在高温下强度高等特性，主要用于制备氧化钽、氧化铌，提炼钽、铌等。

铌铁矿－钽铁矿的化学通式为AB2O6，二者简称铌钽铁矿。

A为铁、锰，B为铌、钽。

铌铁矿－钽铁矿的磁化率为（22.1～37.2）×10－6。

铌铁矿的介电系数为10～12，钽铁矿为7～8。

矿物的密度5.15～8.20（随钽的含量增高而增大）。

目前我国钽铌矿的选矿工艺主要包括：粗选、精选与浮选。

钽铌矿选矿一般采用重选先丢弃大部分脉石矿物，获得低品位混合粗精矿，进入精选作业的粗精矿矿物组成复杂，一般含有多种有用矿物，分选难度大，通常采用多种选矿方法如重选、浮选、电磁选或选冶联合工艺进行精选，从而达到多种有用矿物的分离。

国内钽铌矿原矿品位一般很低，其矿物性脆、密度大。

为了保证磨矿粒度，避免过粉碎，粗选一般采用阶段磨矿阶段选别流程。

重选设备有GL螺旋选矿机、螺旋溜槽和摇床等。

粗选工艺获得的粗精矿一般是混合粗精矿，需进一步精选分离出多种有用矿物。

粗精矿矿物组成不同，采用的分离方法也不同，一般是多种方法联合使用。

如采用磁选-重选-浮选联合法。

钽铌矿的浮选常用捕收剂则有脂肪酸类、胂酸类、膦酸类、羟肟酸类、阳离子型捕收剂等，捕收剂的环境污染及药剂成本问题至头重要。

随着越来越多的难选钽铌资源的开发，预计对选择性好、价格合理的钽铌选矿药剂需求也会不断增加。

同时，由于钽铌矿选矿药剂的原料来源广泛，合成工艺简单，易生物降解、无毒无害，选择性好、价格合理的药剂也将不断出现，届时将可以满足钽铌选矿厂的需求。

三钽铌矿浮选药剂的研究现状及进展钽铌矿物捕收剂钽铌矿比较有效的捕收剂有脂肪酸类、胂酸类、膦酸类、羟肟酸类、阳离子型捕收剂。

1、脂肪酸类捕收剂前苏联波立金和格拉德基赫两人曾采用氧化矿捕收剂：油酸、油酸钠、十三烷酸钠、硫酸烷脂钠和异辛基磷酸钠详细研究铌铁矿-钽铁矿可浮性。

细粒钽铌矿选矿工艺流程英文回答：Tantalum-niobium ore is a valuable mineral resourcethat is widely used in various industries. The ore is typically found in the form of fine-grained tantalum-niobium minerals, such as tantalite and columbite. Extracting tantalum and niobium from the ore requires a complex process known as mineral beneficiation.The beneficiation process for tantalum-niobium ore typically involves several stages, including crushing, grinding, gravity separation, magnetic separation, and flotation. Each stage is designed to remove impurities and increase the concentration of tantalum and niobium minerals in the ore.Firstly, the ore is crushed into small particles using a jaw crusher or a cone crusher. This helps to break down the ore and release the tantalum and niobium minerals. Thecrushed ore is then ground into a fine powder using a ball mill or a rod mill. This grinding process helps to further liberate the minerals and increase their surface area for subsequent separation.Next, gravity separation is employed to separate the heavier tantalum and niobium minerals from the lighter gangue minerals. This is done using techniques such as spiral concentrators, shaking tables, or centrifugal concentrators. The principle behind gravity separation is that the denser minerals will settle to the bottom, while the lighter minerals will rise to the top. By adjusting the parameters of the gravity separation equipment, such as the angle of inclination or the water flow rate, the desired separation can be achieved.After gravity separation, magnetic separation is used to remove any remaining magnetic minerals from thetantalum-niobium concentrate. This is done using high-intensity magnetic separators, which generate a strong magnetic field to attract and separate the magnetic minerals. The non-magnetic minerals are discarded as waste,while the magnetic minerals are collected as a magnetic concentrate.Finally, flotation is employed to further increase the concentration of tantalum and niobium minerals in the concentrate. Flotation involves the use of chemicals, such as collectors and frothers, to selectively separate the valuable minerals from the gangue minerals. The froth flotation process relies on the differences in the surface properties of the minerals, allowing the valuable minerals to attach to air bubbles and float to the surface, while the gangue minerals sink.Overall, the beneficiation process for tantalum-niobium ore is a complex and multi-stage process. It requires careful optimization and control to achieve the desired separation and concentration of tantalum and niobium minerals. However, with the right combination of equipment and process parameters, it is possible to produce a high-quality tantalum-niobium concentrate that can be further processed into valuable products.中文回答：英文回答：钽铌矿是一种有价值的矿产资源，广泛应用于各个行业。

书山有路勤为径，学海无涯苦作舟锂、铍、铌、钽矿选矿与加工锂、铍、铌、钽等稀有金属矿石，一般都要经过选矿得出合格精矿产品，才能作为冶炼原料。

某些易于湿法冶炼的难选矿石，可直接冶炼。

在地质勘探过程中，初勘的矿床应进行初步可选性试验，详勘的矿床应进行实验室规模的连续性试验。

对某些物质成分复杂的新类型矿床，选矿试验工作应提前进行，以便确定矿石可选性能，评价矿床能否进行勘探。

工业部门如需要采取半工业或工业试验样品及其他试验样品时，地质勘探单位应协同试验单位编制矿床采样设计，提供地质资料，并作好有关采样的协作配合工作。

锂、铍、铌、钽矿石的选矿方法，依据矿石性质分为手选矿石与机选矿石两大类：锂、铍矿选矿方法，有手选法、浮选法、化学或化学-浮选联合法、热裂选法、放射性选法、粒浮选矿法等，其中前3 种方法较为常用。

手选法在五六十年代是国内外锂、铍精矿生产中的主要选矿方法之一。

如我国1959 年新疆、湖南等省区手选生产的绿柱石精矿达2800 多t，1962 年世界绿柱石精矿产量为7400t，其中手选精矿占91%。

这主要是由于锂、铍矿多数来自伟晶岩矿床，选别的主要工业矿物锂辉石、绿柱石等晶体大、易手选。

但应看到，手选劳动强度大、生产效率低、资源浪费大、选别指标低，因而正在逐渐地为机械选矿方法所代替。

然而在劳动力便宜的发展中国家里，手选仍是生产锂铍精矿的主要方法。

浮选方法的研究和应用较早，国外在30 年代已将浮选法用于锂辉石精矿的工业生产。

锂辉石浮选有的采用反浮选，也有的用正浮选；锂云母易浮，常用正浮选；至于绿柱石的工业浮选报道的极少。

我国50 年代末开始锂辉石、绿柱石的浮选研究，随后又进行了锂云母浮选、锂铍分离和其他锂铍矿的研究，制定出锂辉石、绿柱石、锂云母的浮选工艺流程，并在新建的锂铍选矿中得到应用。

化学或化学-浮选联合法，适用于盐湖锂矿，用此法从中提取锂。

[整理版]钽铌矿选矿技巧钽铌矿选矿技术我们多年来长期从事钽铌矿选矿技术研究工作，积累了丰富的经验，获部、省级多项科研成果奖。

目前，已形成工业矿物学、选矿技术研究的先进系统技术。

具有可承担试验研究、技术服务及咨询的雄厚技术实力。

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钽铌矿选矿粗选一般采用重选法，精选则采用重选、浮选、电磁选或选冶联合工艺，处理粉矿或原生泥含量多的矿石，洗矿作业必不可少，同时采用高效磨矿分级设备，以降低钽铌矿物的泥化。

钽铌浮选常用捕收剂有脂肪酸类、胂酸类、膦酸类、羟肟酸类、阳离子型捕收剂等，捕收剂的环境污染及药剂成本问题至头重要。

随着化学工业的发展，原料来源广泛，合成工艺简单，易生物降解、选择性好、无毒无害、价格合理的药剂将不断出现，满足钽铌选矿厂的需求。

1、钽铌矿矿物工艺学特性铌铁矿,钽铁矿的化学通式为AB2O6，二者简称铌钽铁矿。

A为铁、锰，B为铌、钽。

从纯铌到钽的不同形式具有一系列同晶结构，其特点是铁和锰的比例不定。

其中含Nb2O5 1.97~78.88%，Ta2O5 5.56~83.57%，MnO 1.26~16.25%，FeO 1.89~16.25%。

还有Ti、Zr、W、TR、U等类质同象混入物。

组元中铌占多数，就称该矿物为铌铁矿，如果钽占多数，则称为钽铁矿。

矿物的晶格为斜方结构，空间群记号为Pcan。

结构由A和B八面体的层所组成。

相同的八面体在层中以边连接成链，再同共同顶点相连。

一个A八面体层通过顶点与邻连的B八面体层从两方面相连，形成BAB结构。

铌铁矿,钽铁矿许多矿物的晶格参数与试样的成分有关，其波动范围如下:a=0.5133~0.5054nm;b=1.445~1.405nm;c=0.5762~0.5683nm。

铌钽锰矿中原子间距:Mn,O=2.12~2.14埃，Ta,O=1.86~2.12埃。

矿物的颜色有黑色、棕黑色和红褐色。

莫氏硬度为:铌铁矿4.3~6.5;钽铁矿6.5~7.2。

铌铁矿的显微硬度值为2400~8000MPa，钽铁矿为8000~10700Mpa。

钽铌矿选矿工艺流程
钽铌矿通常通过以下工艺流程进行选矿：
1. 矿石破碎：将原始的钽铌矿石经过破碎过程，使其颗粒度变得更细。

2. 矿石磨矿：将破碎后的矿石通过磨矿设备进行进一步细磨，以提高矿石中有用矿物的释放率。

3. 重选：采用重选设备，如重力选矿机、螺旋选矿机等，通过重力作用将磨矿后的矿石分离成浓缩矿和尾矿。

重选可以去除部分杂质及非有用矿物。

4. 浮选：浮选是一种常用的选矿方法，通过调整药剂、气体和搅拌条件来使有用矿物粒子与气泡相互吸附，使其浮起。

经浮选后，可以得到富含钽铌的浮选精矿。

5. 精选：通过精选设备，如震动筛、离心选矿机等，对浮选精矿进行进一步的筛分和分离，以提高钽铌的品位和回收率。

6. 尾矿处理：处理尾矿中的有害元素和无用矿物，以提高资源利用率和环境保护效果。

以上是钽铌矿选矿工艺流程的一般步骤，具体的选矿方法根据矿石的性质和矿山的实际情况可以有所不同。