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锌矿开采和锌矿加工:所需知道的全部知识

回顾采矿历史和现今技术,矿物材料的提取方式取得了许多进步。重型、耐用和紧凑的开采设备提高了成本效益和开采效率。如此一来,采矿业便可减少废物和危险化学品。

 

锌矿开采和加工:

较之锡开采,锌矿开采的历史相对较短。在 18 世纪,人们发现闪锌矿或硫化锌可熔炼成黄铜,从而产生了第一项专利技术。此后,锌工业便逐步发展到目前采用的锌开采工艺和生产方法。

 

锌矿开采和加工的基础知识:

从涂层到化合物,锌可用于我们生活的众多领域。无论是在家庭还是工业环境中使用,锌都是一种重要的物料。以下主题将对锌在我们工作和生活中所扮演的更多具体角色进行说明。

 

锌有何用途?

  • 用于钢、黄铜和其他金属的防腐涂层
  • 施工物料
  • 压铸精密组件
  • 制作黄铜
  • 化妆品和药品
  • 用于人类、植物和动物的微量营养素
  • 半导体特性

 

锌存在于:

  • 粉末
  • 金属涂层
  • 化妆品
  • 护肤品
  • 药物
  • 颜料

 

锌的开采地?

虽然全球最大锌矿是位于阿拉斯加的红狗矿,但锌矿遍布全球 50 个国家。在这 50 多个国家中,全球最大的锌生产国分别是加拿大、澳大利亚、中国、秘鲁和美国。位于加拿大、澳大利亚、爱尔兰和纳米比亚的部分锌矿将在近十年内因耗尽而关闭。主要类型的锌矿床通常都为沉积岩型、火山岩型、与侵入岩相关、碎矿石类或密西西比河谷类。

 

锌开采工艺

锌矿开采主要是在地下进行,且超过 80% 的锌均提取自地表之下。8% 的锌为露天矿坑开采,而其余 12% 则是通过这两种方法开采。一旦将其从土壤中取出,浓缩物便会在 950 摄氏度的温度下烘烤,从而使锌、硫和铁氧化。将锌和铁氧化物还原为粉末形式并用稀硫酸过滤后,溶液便会发生中和并通过过滤除去污染物。在铸造厂,锌会继续演化为最终形态。

 

了解 General Kinematics 如何利用其开采设备改善锌和其他矿物质提取的更多相关信息。

 

General Kinematics Corporation, incorporated in 1960, was established to market, design, and custom fabricate innovative vibratory materials handling and processing equipment. Today, the company is one of the world’s largest suppliers of vibratory processing equipment, having held more than 200 worldwide patents, and is a significant contributor to vibrating equipment design and application technical advancement. General Kinematics serves a worldwide customer base through a network of engineering-oriented independent sales representatives who cover major industrial markets throughout the United States. International markets are serviced from subsidiary operations and through a combination of representatives, licensed manufacturers, and strategic alliances with leading industry-specific organizations in other strategic locations. Today, more than 50,000 General Kinematics units have been installed in virtually all of the world’s industrialized countries. As new process and efficiency challenges emerge, General Kinematics is qualified to address these needs with advanced technology, innovative engineering, new materials, and manufacturing techniques. All applied to improving customer productivity and profitability while meeting ever more stringent requirements.

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