High-temperature-resistant long-service-life blast furnace taphole mud sleeve prefabricated structure

• Main Author: ZHAO ZHENGUO
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2022
• Subjects: CHEMISTRY; MANUFACTURE OF IRON OR STEEL; METALLURGY; METALLURGY OF IRON

The utility model relates to the technical field of blast furnaces, and discloses a high-temperature-resistant long-service-life blast furnace taphole mud sleeve prefabricated structure which comprises a shell, a pipe groove is obliquely formed in the shell, a high-temperature-resistant filler layer is filled in an inner cavity of the shell, a material guide pipe is arranged in the pipe groove, and a material outlet pipe is arranged in the material guide pipe. A limiting groove is formed between the bottom end of the material guiding pipe and the outer wall of the shell, a limiting ring is arranged in the limiting groove and fixedly connected with the shell through a bolt, a clamping block is fixed to one side of the bottom of the shell, a clamping groove is formed in the clamping block, and a plurality of positioning plates are arranged in the shell, so that the clamping groove is formed in the clamping block. The high-temperature-resistant filler layer can be limited through the positioning plate, loosening