Abstract: This paper is in the pretreatment-leaching-extraction based on the laboratory test of tons of indoor scale test of laboratory related parameters were verified and confirmed，indoor test on the test in difficult to expand to the related important parameters were determined，and also introduced the pretreatment process and equipment.Heap leaching and extraction equipment，technology and equipment，the final product V₂O₅ was examined.The products meet the standard of the National Metallurgical Grade 99，at the end of the wastewater treatment and inspection，wastewater reached the national emission standards.