The red mud washing and discharge circuit is an important part inalumina-production plant by the sintering process and the slurry pumps arethe key equipment to discharge the wasted red mud.

• 赤泥洗涤及外排工序是烧结法生产氧化铝的重要环节，弃赤泥外排所用的泥浆泵是赤泥外排工序的主要设备。