Automatic control system for coal injection

• Main Authors: CHEN YONG, ZHAO TEMENG, LIU ZHONGMIN, DONG XINGHONG, WU ZHENHUI
• Format: Patent
• Language: Chinese; English
• Published: 26.11.2021
• Subjects: CHEMISTRY; MANUFACTURE OF IRON OR STEEL; METALLURGY; METALLURGY OF IRON

The utility model discloses a coal injection automatic control system which comprises a blast furnace, a plurality of injection tanks and a diffusion cloth bag, the output end of the diffusion cloth bag is connected with the input ends of the injection tanks through a plurality of feeding pipes, the feeding pipes are in threaded connection with a plurality of diffusion valves, the top of each injection tank is fixedly communicated with a material guide pipe, and the material guide pipes are communicated with the blast furnace. One side of the injection tank is fixedly communicated with an air inlet pipe, the air inlet pipe is respectively in threaded connection with a plurality of gulp valves and stamping valves, and the injection pipe is communicated with the blast furnace through a discharge pipe. The injection step sequence is automatic, the injection speed is controlled only by adjusting the compressed secondary air pneumatic adjusting valve and the fluidizing valve, more interlocking control is added, an