Patents by Inventor Qiancheng Zhuang

Qiancheng Zhuang 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).

  • Method for preparing calcium oxide using a multistage suspension preheater kiln
    Patent number: 11905181
    Abstract: The disclosure discloses a method for preparing calcium oxide using multistage suspension preheater kiln. The steps of the method are: (1) the limestone powder is fed to the multistage suspension preheater kiln for preheating to 800° C. to 900° C.; (2) A preheated material is fed to a decomposition furnace, and calcined at 900° C. to 1100° C. for 25 s to 35 s; (3) A calcined material is fed to a rotary kiln, and calcined at 1100° C. to 1300° C. for 25 to 35 minutes, and finally cooled to obtain calcium oxide.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: February 20, 2024
    Assignee: GUANGXI SIWEI MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Yan Zhuang, Licheng Zhuang, Qiancheng Zhuang
  • METHOD FOR PREPARING CALCIUM OXIDE USING A MULTISTAGE SUSPENSION PREHEATER KILN
    Publication number: 20210078869
    Abstract: The disclosure discloses a method for preparing calcium oxide using multistage suspension preheater kiln. The steps of the method are: (1) the limestone powder is fed to the multistage suspension preheater kiln for preheating to 800° C. to 900° C.; (2) A preheated material is fed to a decomposition furnace, and calcined at 900° C. to 1100° C. for 25 s to 35 s; (3) A calcined material is fed to a rotary kiln, and calcined at 1100° C. to 1300° C. for 25 to 35 minutes, and finally cooled to obtain calcium oxide.
    Type: Application
    Filed: August 14, 2020
    Publication date: March 18, 2021
    Inventors: Yan Zhuang, Licheng Zhuang, Qiancheng Zhuang