Chen Qingzhi, an outstanding member of the Communist Party of China, academician of the Chinese Academy of Engineering, and professor of China University of Mining and Technology, died of illness in Xuzhou at 15:33 on May 26, 2021 at the age of 95.

　　Academician Chen Qingru was born in Hangzhou, Zhejiang Province in December 1926 and joined the Communist Party of China in June 1953.

He graduated from the Department of Mining and Metallurgy of Tangshan Jiaotong University in 1952. Since July 1952, he has taught at Tangshan Jiaotong University and China University of Mining and Technology.

He was promoted to professor in 1983, and enjoyed special government allowance in 1991. In May 1995, he was elected as an academician of the Chinese Academy of Engineering.

　　Academician Chen Qingru is one of the founders and pioneers of my country's mineral processing discipline. He devoted his life to the research of my country's mineral processing theory and engineering practice, and contributed to the scientific research, education and production development of my country's mineral processing and clean coal preparation technology. Outstanding contribution.

He presided over the establishment of China’s first heavy-medium cyclone coal preparation plant; guided the research and design of China’s first under-screen air chamber jigging machine, realizing the large-scale jig coal preparation machine in China; The sieving theory based on the probability of particle group penetration, developed the world’s first probability grading sieve for coal, which satisfactorily resolved the sieving of wet fine-grained coal; successfully created the "air-heavy medium stable fluidization" And established the world’s first high-efficiency air-dense-medium fluidized bed dry coal preparation demonstration plant.

Academician Chen Qingru won 2 second prizes of National Science and Technology Progress Award, 1 third prize of National Technological Invention Award and 13 provincial and ministerial awards, and published 13 books.

Won the National "May 1st" Labor Medal and the title of National Excellent Educator.

In 2010, he won the "Lifetime Achievement Award" first established by the International Coal Preparation Conference.