Non-metallic hazards are well known, but the nonmetal is the inevitable outcome of the ironmaking process, such as electrolytic manganese enterprises long-term use of chromium passivation and selenium electrolysis, produce a large amount of hazardous waste chromium slag and slag containing selenium. Chromium is a heavy metal pollution, which is very harmful to human body. Chromium has a strong stimulation and corrosion effect on the human digestive tract and skin, which can cause the body to become cancerous. The accumulation of chromium has a lethal effect on the plants and animals in the water body and affects the growth of crops.

At the scene of the non-metallic cement production, and plenty of waste generated after the blast furnace ironmaking non-metallic after drying, was immediately sent to a long whole sealing tape non-metal roller mill in the “big”, after a high and new technology of processing, non-metallic ultra-fine powder giant cleaner directly enter the shipping department. The whole production process is carried out in a closed environment without pollution to the surrounding environment.

The development of processing technology of non-metallic ultrafine powder in blast furnace and the development of processing technology of non-metallic ultrafine powder in blast furnace have played a very important role in the equipment.

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