Classification of electric arc furnaces

Classification of electric arc furnaces

Recently, I learned about laterite nickel smelting process, in its smelting process of blast furnace, electric furnace and so on are mentioned in the process of development, so here I also found some knowledge about electric furnace, here to learn together with you!

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2023

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Filter device selection principle

Filter device selection principle

When the material or water that is easy to filter is not strictly required (about 12%), the vacuum continuous filter should be preferred, because it is light, low cost and easy to operate and maintain.

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2023

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03

Bucket elevator appears the problem of excessive return material

Bucket elevator appears the problem of excessive return material

Elevator return refers to the material in the unloading position is not completely unloaded out of the machine, and some materials back to the elevator seat phenomenon. In the lifting operation, if the hoist back too much, is bound to reduce the production efficiency, increase the power consumption and material crushing rate.

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2023

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Introduction to the smelting process of laterite nickel ore

Introduction to the smelting process of laterite nickel ore

In 1930, the Rrupp Company developed the direct reduction Rrupp Renn process. During World War II, Japan's Dajiangshan Smelter used Rrupp Renn process to treat the low-nickel pig iron produced by surrounding minerals with very low nickel content and used it as raw material for alloy steel. After the war, the raw material was changed and laterite nickel ore was used. The process of semi-melting reduction roasting at high temperature (about 1350℃), water quenching, jig gravity separation, tailings ball milling and magnetic separation is used to directly produce nickel-ferro alloy containing more than 20% nickel for the production of stainless steel.

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2023

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Principle of dryer equipment selection

Principle of dryer equipment selection

Dryer is a common machine for drying a large number of materials. The flow mode of drying materials and drying medium not only affects the rate of drying process, but also affects the quality of products. Dryer selection is reasonable to save investment, reduce operating costs, ensure product quality, obtain the greatest economic benefits. The ideal selection of dryer must be based on the user's own conditions and material factors, so as to find the most suitable for their own material in the crusher production factory.

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2023

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Method of scraping and clearance adjustment for jaw crusher

Method of scraping and clearance adjustment for jaw crusher

Two. Test jaw crusher tile back and bearing seat contact: According to the requirements of "JB/T5000.10-1998 heavy machinery general technical conditions assembly", the tile back must be scraping well, so that it can meet the specified technical requirements, otherwise, the bearing bush and bearing seat between the operation of the equipment is easy to produce reverse slip or rotation, in order to prevent this phenomenon, generally used pin, sleeve positioning way.

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