Tungsten concentrate is typically extracted from tungsten ores such as black wolframite or scheelite through a series of processes including crushing, ball milling, re-election techniques like shaking tables and jigs, flotation, and magnetic separation. This results in the production of high-quality National Standard black tungsten or scheelite concentrate. Depending on the smelting method used and the chemical composition, tungsten concentrate can further be categorized into various subtypes.
Generally speaking, tungsten concentrate is divided into two primary types based on its ore source: black wolframite concentrate and scheelite concentrate. Both contain tungsten oxide as the main component, with concentrations often exceeding 65%. Additionally, tungsten concentrate is classified into three major groups based on the smelting process and chemical makeup: pyrometallurgical smelting (Type I), water smelting (Type II), and another water-based smelting category (Type III). Each type includes several distinct varieties of tungsten concentrate. Below is an illustration of the specific classifications:
[Image description: A flowchart showing the detailed categorization of tungsten concentrates into Types I, II, and III, along with their respective subcategories.]
As you can see, there is a wide variety of tungsten concentrates, each tailored to meet the diverse demands of different industries. This diversity ensures that the unique properties of tungsten concentrate align with the specific requirements of various applications, making it a versatile material in industrial settings worldwide. Whether it’s for high-temperature applications or precision manufacturing, these concentrates play a crucial role in delivering the performance needed across multiple sectors.
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