Tuyere sleeve sealing structure

The utility model discloses a tuyere sleeve sealing structure, and relates to the technical field of blast furnace tuyere sleeves. The matching face is arranged at the position, close to an air inlet of the tuyere sleeve, of the circumferential outer wall of the tuyere sleeve. A sealing ring groove is formed in the matching surface; the sealing ring groove is filled with a heat-resistant sealing strip; the end face of the heat-resisting sealing strip exceeds the opening end face of the sealing ring groove. The tuyere sleeve has the effect of improving the sealing capacity after the tuyere sleeve is connected. 本申请公开了一种风口套密封结构，涉及高炉风口套的技术领域，其包括配合面；所述配合面设置在风口套周向外壁靠近自身进风口处的位置；所述配合面开设有密封环槽；所述密封环槽内填充有耐热封条；所述耐热封条端面超出所述密封环槽开口端面。本申请具有提高风口套连接后密封能力的效果。