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易熔粘土在高温软化状态下产生膨胀——形成陶粒的理论,到目前为止,许多学者的看法都不一致。E.B.科斯蒂尔科教授及С.П.奥纳茨基认为粘土膨胀的主要作用是由于其中Fe_2 O_3 还原成FeO,从而析出CO_2 及CO_0 И.А.盖尔维茨则认为主要由于火成岩含水矿物(云母、角闪石等)结晶格子破坏而析出结晶水所致。还有一些学者认为粘土膨胀是由于CaCO_(?)。的分解、CaSO_4 分解,以及粘土矿物水析出等等。此外,对外界气体渗入陶粒内部和粘土内
The eutectic clay expands under the condition of high temperature softening - the theory of ceramsite formation. So far, many scholars have different opinions. Prof. EB Costel and С.P. Onatski consider that the main role of clay expansion is due to the reduction of Fe 2 O 3 to FeO, which precipitates CO 2 and CO 0. И.А. Galvec thinks that it is mainly due to igneous hydrous minerals. (Mica, hornblende, etc.) Crystal lattices are destroyed and crystal water is precipitated. Some scholars believe that clay expansion is due to CaCO_(?). Decomposition, CaSO_4 decomposition, and precipitation of clay minerals, etc. In addition, the outside air penetrates into the interior of the ceramsite and into the clay