Ceramic tile preparation method and ceramic tile: Fid-Bau Portal

Ceramic tile preparation method and ceramic tile

HU XIPING / LONG YOUFU / LIN BAOFA / DUAN GUOHONG / ZHAN QIONGXUAN

The invention provides a ceramic tile preparation method and a ceramic tile, and the ceramic tile preparation method comprises the following steps: proportioning raw materials in a blank formula according to a predetermined proportion to obtain a mixture, the raw materials in the blank formula comprising raw ore bentonite; carrying out first ball milling treatment on the mixture to obtain first slurry; adding sodium carbonate into the first slurry, and carrying out second ball milling treatment to obtain second slurry; and drying and granulating the second slurry to obtain powder, carrying out compression molding treatment on the powder to obtain a green body, and treating the green body to obtain the ceramic tile. According to the invention, sodium carbonate is added in the ball milling process to modify the raw ore bentonite in the blank formula, and sodium carbonate is added into a ball mill before ball stopping instead of other raw materials, so that the grinding time is prevented from being too long to reduce the damage to the modified bentonite structure; the effect of remarkably improving the strength of the green body can be achieved without adding a large amount of raw ore bentonite, and the problem that the performance of the slurry becomes poor is solved.

本发明提供了一种陶瓷砖制备方法及陶瓷砖，陶瓷砖制备方法包括：将坯料配方中的原料按照预定比例进行配料，得到混合料，坯料配方中的原料包括原矿膨润土；对混合料进行第一次球磨处理，得到第一泥浆；在第一泥浆中加入纯碱后进行第二次球磨处理，得到第二泥浆；将第二泥浆进行烘干造粒后得到粉料，将粉料进行压制成型处理后得到生坯，生坯经处理后得到陶瓷砖。本发明通过在球磨过程中加入纯碱，对坯料配方中的原矿膨润土起到改性的作用，并且纯碱是在停球前加入球磨机而不是随着其他原料在投料时加入，避免研磨时间过长以减少对改性后膨润土结构的破坏，无需加入大量的原矿膨润土就可以实现显著提升生坯强度的效果，避免了泥浆性能变差的问题。

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