A Common Metal Ferro Silicon 70

Ferro Silicon 70：The production of ferro silicon 70 and industrial silicon is made of silica as raw material, which is mixed with carbonaceous reducing agent and added to the submerged arc furnace after washing, and the ferro silicon alloy and silicon metal are obtained by carbonaceous reduction under high temperature conditions.

1.In the production of ferro silicon 70, in order to ensure the air permeability of the charge, the charge is required to be within a certain particle size range. During the silica ore cleaning process, the silica ore with a particle size of <20 will be screened to avoid entering the submerged arc furnace and affecting the air permeability of the charge. Due to the lack of effective utilization, this part of the silicon ore with a particle size of <20 is usually abandoned and stockpiled, resulting in the waste of silicon ore resources and increasing the production cost of ferrosilicon 70.

2.Other useful metal powders are also produced during the production of ferro silicon 70. For example, the flue gas produced in the production process of 70 ferrosilicon is rich in a large amount of silica powder, which is collected by the dust removal equipment to obtain silica fume with a silica content of 80 or 5%.

3.Ferro silicon 70 production is not easy, because it also creates some problems that are difficult to solve. For example, there is no good way to utilize the small particle size baby ore (particle size < 20mm) and silica fume produced in the production process of ferrosilicon 70. A large number of small-particle silicon ore and silica fume are piled up in the plant area, which not only wastes resources, but also reduces economic benefits.

4.Our company have our own factories to produce ferro silicon 70. And we will try our best to produce good qualty ferro silicon 70 and protect the environment. What'more,we'd like to offer best service to our customers. You can rely on us,I promise.

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