| 摘要 |
Abstract The present invention discloses a wear-resistant nozzle for lance in roaster, comprising a nozzle body and a nozzle core, the nozzle body is configured around the outer nozzle 5 core, the nozzle core is rotatable, a protection layer is configured on the inner wall of the nozzle, and the nozzle core could spray the waste acid at an angle in the range of 30 degree to 150 degree, reciprocatively and rotatively. The present invention features low cost, simple structure, convenient use, excellent properties of abrasion and corrosion resistance, and long life. Figurel1 |
