Abstract: The composition and structure of slagoff machine for gasgenerating apparatus were introduced. The operation process of the apparatus was discussed. The design and calculation methods of the volume of the slagoff machine, the maximum chain tension of the slagoff machine and the motor power were given, and the technical characteristics of the slagoff machine were summarized.

Key words: slag-off machine, slag-off machine for gas-generating apparatus, ammonia synthesis project, maximum output, roller chain