分析了我国目前竖炉存在的问题，提出了外燃式圆形球团矿焙烧竖炉的设想，并对其结构特征和优点进行了介绍。
With analyzing the problems existing in shafts of our country, a kind of round externa combustion pellet roasting shaft is envisaged and its structural characteristics and merits are introduced.
外燃式热风炉因其结构及内衬耐火材料的特点，如果凉炉不当将导致热风炉内衬在凉炉过程中产生严重的结构性破损。
Because of its special structure and refractory characteristics, the hot stove's inner lining would be seriously damaged if it were not cooled in a proper way.
气烧外燃式石灰炉属气烧竖炉。
Gas external combustion type lime kiln belongs in a shaft kiln of gas combustion type.
气烧外燃式石灰炉属气烧竖炉。
Gas external combustion type lime kiln belongs in a shaft kiln of gas combustion type.
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