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克拉玛依油田是我国重要的石油基地,为了满足油田建设的需要,新疆建筑科学研究所承担了用克拉玛依的原料烧制容重400级的粘土陶粒。当地粘土组分是含高岭石、石英和长石等杂质的水云母粘土,粘土中只要掺入适宜适量的外加刷就能成为很好膨胀的原料。由于原料中含有二水石膏等矿物造成原料在烘干过程中发生爆炸现象,因此生料球以直接入窑预热、焙烧为宜。
The Karamay Oilfield is an important oil base in China. In order to meet the needs of the oil field construction, the Xinjiang Institute of Construction Science has undertaken to burn 400-grain clay ceramsites with Karamay raw materials. The local clay component is a hydrous mica clay containing impurities such as kaolinite, quartz and feldspar, and clay can be a very good material for intumescent as long as it incorporates a suitable and appropriate amount of an external brush. Since the raw materials contain minerals such as dihydrate gypsum and cause the explosion of the raw materials during the drying process, it is advisable that the raw material balls are directly fed into the kiln for preheating and roasting.