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为改善客运专线铁路运行环境,《时速350 km/h客运专线特级碎石道砟暂行技术条件》规定道砟出厂须经水洗,选择合适的水洗工艺及配套设备成为现有道砟采石场面临的首要问题。文章介绍国内外道砟采石场当前采用的主要工艺,并分析了各种工艺的适用条件。
In order to improve the railway operating environment of passenger dedicated railway line, the Provisional Technical Conditions of Special Grade Gravel Track for Passenger Dedicated Line at a Speed of 350 km / h stipulates that the factory should be washed by water and the proper washing process and ancillary equipment should be selected to become the existing road quarry The primary problem. This article introduces the main techniques currently used in the quarry at home and abroad, and analyzes the applicable conditions of various techniques.