| 摘要 |
This invention relates to a pulverizing chamber of a counterjet pulverizer, which chamber is mainly cylindrical and at least two conically arranged, to a common point (2) directed accelerating nozzles (1) terminate at it, the inner walls of which pulverizing chamber are made of a wearing-resistant special material. The invention is characterized in that the pulverizing chamber comprises a fixed basal part (3), in the vicinity of whose open end the accelerating nozzles (1) terminate, as well as of an exchangeable wearing ring (5) mounted rotatably on this open end, whereby the contact surfaces (6) of the basal part (3) and the wearing ring (5) are formed as sliding surfaces. |
