Inventor
ZHAI XIANGNAN
CN7 patents
Patents
7 patentsUS11202979B2Dec 21, 2021
Device for reducing pressure fluctuation of pressure filter frame and pressure filter
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations57
US11099114B2Aug 24, 2021
Test device and test method for rotary pressurized filter and method for designing filter
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations56
US10273198B2Apr 30, 2019
Solvent exchanger and method for improving the exchange efficiency of CTA solvent
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD1 citations55
US10906858B2Feb 2, 2021
CTA solvent exchanging method
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations47
US12330086B2Jun 17, 2025
Separation tower and method for treating condensed water
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations46
US9902680B2Feb 27, 2018
Method for processing acetic acid solvent in oxidising unit of PTA industrial apparatus
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations36
US9352972B2May 31, 2016
Device for recovering SiCl4 slurry and method for the same
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations36