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原矿含泥量大造成设备的堵塞。根据现场生产实际改用粉碎后的矿粒直接给入扇形孔条筛，筛下可调刮板使细粒均匀分布在皮带下面，粗粒复盖其上。物料到达皮带首轮处，使其呈抛掷状态，然后利用分离挡板除去细粒。首轮的直径和转速是按粒度分离的决定因素。分离细粒级后使中碎机生产能力增大，降低能耗，减少磨损，提高了设备运转率。
Large amount of ore mud caused by the equipment blockage. According to the actual production of the site to use crushed ore directly into the fan-shaped hole sieve, sieve adjustable scraper so that the fine particles evenly distributed under the belt, covered with coarse particles on it. The material arrives at the first round of the belt, throwing it, and then using the separation baffle to remove fines. The first round of diameter and speed are the decisive factors for particle size separation. Separation of fine-grained after the crusher production capacity increased, reducing energy consumption and reduce wear and tear, improve equipment operation rate.