Patents by Inventor Jiajun Yin

Jiajun Yin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Combined furnace system for fire refining red impure copper
    Patent number: 9464845
    Abstract: A combined furnace system for fire refining red impure copper, comprising in order: a shaft furnace (2) for smelting red impure copper raw material into red impure copper liquid; a red impure copper liquid groove (4); at least one rotary furnace (5) for refining and producing refined copper liquid by means of oxidation reduction; a refined copper liquid groove (6). The combined furnace system is characterized in that the system comprises a tilting furnace (3) between the shaft furnace (2) and the red impure copper liquid groove (4) for removing slag from red impure copper liquid having slag. The invention thereby provides a combined furnace system that easily removes slag, has a smooth, unobstructed red impure copper liquid groove, and smelts and refines with stable production efficiency.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: October 11, 2016
    Assignee: Jiangxi Rare Earth and Rare Metals Tungsten Group Corporation
    Inventors: Bingyan Zhang, Xuanzhi Zhang, Jiajun Yin, Yongping Rao
  • COMBINED FURNACE SYSTEM FOR FIRE REFINING RED IMPURE COPPER
    Publication number: 20140102660
    Abstract: A combined furnace system for fire refining red impure copper, comprising in order: a shaft furnace (2) for smelting red impure copper raw material into red impure copper liquid; a red impure copper liquid groove (4); at least one rotary furnace (5) for refining and producing refined copper liquid by means of oxidation reduction; a refined copper liquid groove (6). The combined furnace system is characterized in that the system comprises a tilting furnace (3) between the shaft furnace (2) and the red impure copper liquid groove (4) for removing slag from red impure copper liquid having slag. The invention thereby provides a combined furnace system that easily removes slag, has a smooth, unobstructed red impure copper liquid groove, and smelts and refines with stable production efficiency.
    Type: Application
    Filed: May 23, 2012
    Publication date: April 17, 2014
    Inventors: Bingyan Zhang, Xuanzhi Zhang, Jiajun Yin, Yongping Rao