The Newcastle Steel Plant in Australia uses a three-stage ore layer and four stacks of other raw materials to reduce its lateral fluctuations, as shown in Figure 9, Figure 10.
3) Mixing efficiency of the reclaiming equipment. The quality of the mixing and reclaiming machine depends on the ability to eliminate lateral fluctuations. The drum type reclaimer has higher mixing efficiency than the single bucket and double bucket reclaimer, while the double bucket is more mixed than the single bucket. Uniform efficiency.
4) Removal of the end material is an effective measure to improve the mixing efficiency.
The reclaimer cuts the raw material at an angle roughly equivalent to the stacking angle of the pile. Therefore, when the end material is cut, the various raw materials of the pile can not be cut at the same time, and the fluctuation of the component actually cut out of the end material is increased. The general practice is to treat the end material as unqualified material to the stockyard for storage, and then re-mix it as a raw material to become a circulating material. [next]
In order to control the end material, there are currently two ways of running cloth: fixed starting point and running distance cloth; changing starting point and running distance cloth, see Figure 11. The former travel mode has a large amount of material at the end, and the latter is more reasonable. However, the latter method of fabric is more complicated and generally requires computer control.
Australia's Newcastle steel mill uses an extended stacker to suspend stacking time to reduce the amount of return material (Figure 12).
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