Description
Well blocks, also called pocket blocks, are the masonry of refractory bricks at the bottom of steel ladle, which is used to fix nozzle bricks. Well bricks are square shape, so is also called square bricks. Their main function of well blocks is to fix nozzle, makes the detachment and installment of nozzle bricks easier. During steel casting, well blocks are used to hold the bottom end of stopper. when casting is finished, well blocks will ensure stopper slide to nozzle along the cambered surface to stop steel liquid main stream. By material composition, well blocks can be divided into clay pocket block, high alumina pocket block and unburned high alumina pocket block
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