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The production process of molybdenum powder is a complex physical and chemical process. Most industrial methods use ammonium molybdate, followed by thermal decomposition and hydrogen reduction. The specific process includes roasting-staged reduction method and ammonium molybdate two-stage reduction method. There are two types of reduction equipment used: fixed bed type and flowing bed type.
No matter which process the molybdenum powder is produced, it must meet the production needs of different powder metallurgy products. The quality of molybdenum powder is mainly measured based on chemical purity and physical properties.
The main contents of physical properties are particle size and bulk density (fluidity). Therefore, the vibrating screening machine is indispensable in the molybdenum powder production process.
Ammonium molybdate → roasting → molybdenum trioxide → screening → primary reduction → molybdenum dioxide → screening → secondary reduction → molybdenum powder → screening → batching
Ammonium molybdate → primary reduction → molybdenum dioxide → screening → secondary reduction → molybdenum powder → screening → batching
Gaofu combines ultrasonic and vibrating screens to solve the problem of difficult screening of highly adsorbent materials.