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东山软质粘土矿的表内矿量回采率,在1964年以前最高仅达52%,最低只达42%;面对指标落后、地下资源浪费严重的现实,全矿职工一致感到这是对国家、对人民的一种犯罪行为。要“变”,要彻底革命,改变回采率低的落后面貌!象大庆那样办矿山,用“一厘钱”的精神开采地下资源,不浪费一块矿石。经过近两年的努力,试验成功了适合我矿采矿条件的开采方法,使表内矿量回采率提高到90%以上。历年来,矿量回采率变化情况列于附表。
Dongshan soft clay mine table within the mining recovery rate, up to only 52% before 1964, the lowest was only 42%; in the face of the indicators behind the serious waste of underground resources, the reality of mine workers feel unanimously that this is the country , A criminal act against the people. To “change”, we should revolutionize and change the backwardness of low recovery rate. Doing mines like the one in Daqing, mining underground resources in the spirit of “one cent of a dime” will not waste a piece of ore. After nearly two years of hard work, the trial succeeded in mining methods suitable for mine mining conditions, so that the recovery rate of ore in the table was raised to more than 90%. Over the years, changes in the rate of recovery of mines are listed in the attached table.