Although the baking-free ramming mass used in the iron hooks can meet the construction requirements of the small and medium-sized blast furnace, it can not make the iron hooks reach a long life.
1. The bulk density of the baking-free iron hook ramming material is small, the compressive strength is low, the erosion resistance is poor, and the anti-scouring ability is worse.
2. Frequent maintenance (some iron ditches are repaired almost every shift).
3. Labor intensity (frequent repairs are not only labor intensive, but also add a lot of danger).
4. Does not meet environmental protection requirements (asphalt, resin should be yellow smoke).
Tags: Shortcomings, blast-furnace-iron-hooks, ramming-mass,
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