earth kiln
英 [ɜːθ kɪln]
美 [ɜːrθ kɪln]
土炭窑
双语例句
- When produce dense sodium carbonate with the material of natural alkali, a plenty of alkaline scrap material or alkaline mud which can alkalify the earth, pollute the air and environment is manufactured, using the scrap material by calcine with a large movable kiln is expensive.
在以天然碱为原料生产重质纯碱时，伴生大量碱性废渣（俗称苛化泥），此废渣堆放或坑埋，碱化土壤，污染环境和空气，若用大型回转窑煅烧处理，成本高不经济。