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我厂最近试制成功一种页岩石灰瓦。根据原料油页岩的成分和性能,我们把这种瓦叫做“页岩一石灰无熟料水泥瓦”。我们在试制中共采用过23种不同的配方,制成的瓦经化验鉴定质量较好,而成本不高,因而给大量生产创造了有利条件。目前我厂正在一边积极扩建,一边进行小量生产。具体做法是:一、原料处理。选用适合的原料,并加以适当的处理,这是十分重要的,我厂在试制时,采用自然后变成红褐色的页岩,加以粉碎。用组碎的页岩代替砂子作骨料,另外用页岩、石灰和石膏混合磨戏细料代替水泥制瓦。为了提高试制品的质量,我们在原料处理上事先注意:①原料成分;②粉碎细度;③搅拌的均匀程度等三点。
Our factory recently trial-produced a type of shale ash tile. According to the composition and properties of the raw oil shale, we call this type of tile “a shale-lime clinker-free cement tile”. We have adopted 23 different formulas in trial production, and the quality of the fabricated tiles has been proven to be good and the cost is not high, thus creating favorable conditions for mass production. At present, our factory is actively expanding, while carrying out small-scale production. The specific approach is: First, the raw material processing. It is very important to select appropriate raw materials and handle them properly. When the plant is trial-produced, shales that have become natural afterwards turn into red-brown and be crushed. Instead of using aggregates of sand, aggregates were used as aggregate, and shale, lime, and gypsum were blended instead of cement. In order to improve the quality of the trial products, we paid attention in advance to the raw material handling: 1 raw material composition; 2 fineness of smashing; 3 uniform degree of mixing.