Pit-sealing mud in the production of Jiangxiang Baijiu is taken from local and surrounding areas and its main component is purple red mud featuring strong adhesion and good sealing performance. It is repeatedly utilized in sorghum-grinding and sorghum-feeding process. Purple red mud around Maotai town is the only suitable pit-sealing mud for the production of Jiangxiang Baijiu, and it is non-renewable re-source. The incorrect preparation of pit mud and the inadequate management of pit mud would result in bad mud adhesion and poor mud sealing performance. The excessive level of chaff in pit mud and moldy pit mud would result in low repeated utilization rate and high abandon quantity. In consideration of the non-renewable property of purple red mud, we must reduce pit-sealing mud waste, and improve the repeated utilization rate of pit-sealing mud, so as to reduce the exploitation of purple red mud and protect the ecological environment of Chishui River basin.%酱香型白酒基酒生产工艺中,用于密封窖内糟醅的设备是封窖泥,取自当地周边地域,其主要成分是紫红泥.紫红泥具有粘连性强、密封性好等特点.在基酒生产的下沙、造沙轮次投入,经下沙至7次酒的多轮次循环使用.茅台镇方圆几公里的紫红泥是唯一符合酿酒生产过程中封窖泥使用标准的封窖泥.但由于紫红泥资源有限,属不可再生资源.窖泥的制作方式不正确以及管理过程中管理不到位导致封窖泥粘连性不强、密封性下降.窖泥内谷壳含量超标、封窖泥霉变废弃导致循环使用率低,产生废弃量大;考虑其不可再生性,在酿酒生产过程中必须减少封窖泥的废弃,提高其循环使用率,既减少对紫红泥的开采,也保护了赤水河流域的生态环境.
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