The double-roll crusher for fracturing the silicon carbide coatings of high-temperature gas-cooled reactor (HTGR) fuel particles has been redesigned to improve the equipment. The housing was simplified and reduced to a two-piece assembly;the bearings were changed to accommodate thermal effects;the bearing protection seals were improved with triple redundancy;the bearing preload arrangement was simplified and improved;and localized wear areas were reinforced with better materials or special treatment. In addition, the crusher, drive was changed for improved characteristics and an increase in power.
展开▼
