The pollution of the raw gold ore roasting system has resolved successfully after re-design and modification on the other hand the usage of heat exchanger reduces the coal consumption.

对金矿原矿沸腾焙烧系统重新核算后进行改造，成功地解决了环境污染问题，同时换热器的使用降低了煤耗，节约了能源。

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The effects of microwave roasting pretreatment on leaching behavior of diaspore ore were investigated.

研究了微波焙烧对一水硬铝石矿浸出性能的影响。

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A appropriate roasting temperature and atmosphere were controlled. The roasted ore was quenched to cool by water.

控制合适的焙烧温度场和气氛场，焙烧矿排入水中淬冷。

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