Patents by Inventor Gangxin CHEN

Gangxin CHEN 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).

  • Anaerobic ammoxidation synergistic nitrogen removal process device of municipal sewage main and side streams and application method thereof
    Patent number: 11339069
    Abstract: Provided are an anaerobic ammoxidation synergistic nitrogen removal process device of municipal sewage main and side streams and an application method thereof, comprising a municipal sewage raw water tank (1), a biological reaction pool (2), a secondary sedimentation pool (3), a sludge digestion solution raw water tank (4) and a sludge digestion solution AOB strengthening pool (5); wherein, the municipal sewage raw water tank (1) is connected with a water inlet valve (2.2) of the biological reaction pool (2) through a water inlet pump (2.1) of the biological reaction pool (2); the biological reaction pool (2) is connected with the secondary sedimentation pool (3) through a secondary sedimentation pool connection pipe (3.3); the sludge digestion solution raw water tank (4) is connected with a water outlet valve (4.1) of the sludge digestion solution raw water tank (4) through a water inlet pump (4.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: May 24, 2022
    Assignees: BEIJING DRAINAGE GROUP CO., LTD, BEIJING DRAINAGE TECHNOLOGY CO., LTD
    Inventors: Xiaoyu Han, Shujun Zhang, Dan Zhao, Jiawei Wang, Yong Jiang, Jing Huang, Gangxin Chen
  • ANAEROBIC AMMOXIDATION SYNERGISTIC NITROGEN REMOVAL PROCESS DEVICE OF MUNICIPAL SEWAGE MAIN AND SIDE STREAMS AND APPLICATION METHOD THEREOF
    Publication number: 20200354247
    Abstract: Provided are an anaerobic ammoxidation synergistic nitrogen removal process device of municipal sewage main and side streams and an application method thereof, comprising a municipal sewage raw water tank (1), a biological reaction pool (2), a secondary sedimentation pool (3), a sludge digestion solution raw water tank (4) and a sludge digestion solution AOB strengthening pool (5); wherein, the municipal sewage raw water tank (1) is connected with a water inlet valve (2.2) of the biological reaction pool (2) through a water inlet pump (2.1) of the biological reaction pool (2); the biological reaction pool (2) is connected with the secondary sedimentation pool (3) through a secondary sedimentation pool connection pipe (3.3); the sludge digestion solution raw water tank (4) is connected with a water outlet valve (4.1) of the sludge digestion solution raw water tank (4) through a water inlet pump (4.
    Type: Application
    Filed: September 23, 2019
    Publication date: November 12, 2020
    Inventors: Xiaoyu HAN, Shujun ZHANG, Dan ZHAO, Jiawei WANG, Yong JIANG, Jing HUANG, Gangxin CHEN