Zhang Yongfa's invention patent

0 1. Method of cracking and reforming methane-rich gas in high-temperature carbon system to produce synthesis gas, ZL 03152797.3; ;

02. A continuous grading coking coke oven, ZL 03112317.1;

03. Process and device for acetylene production by coal plasma pyrolysis, CN200410012196.2;

04. A coal gasification method and device, CN200410012196.2;

05. Vertical continuous coke pusher, CN96247579.3；;

06. A continuous coking ferroalloy coke oven, CN 92101650.6;

07. A continuous coking method and its equipment, CN94 106 130.2.