Testing method of iron mine powder sintering and assimilating flux amount and speed

Abstract

The invention relates to a testing method of an iron mine powder sintering and assimilating flux amount and speed, and solves the problems that the existing testing method of the iron mine powder sintering and assimilating flux amount and speed is limited, complicated in operation and lower in reliability. In the testing method, testing of the iron mine powder assimilation is based on basicity and coal ratio of each size fraction of the screened ore blender to be matched with the basicity and coal ratio of each size fraction of the iron mine powder for testing and sintering, and measuring the unscreened ratio of each size fraction after sintering to evaluate the assimilation of each size fraction. Testing of iron mine powder CaO assimilating and consuming speed is to calculate the CaO assimilating speed of each size fraction of the ore powder at some temperature, so as to evaluate the influence of the powder granularity and the sintering time of the iron mine at the experimental temperature on the CaO assimilating speed. The testing method disclosed by the invention is simple, high in reliability, convenient to operate and control, low in experiment cost, and high in accuracy.

Description

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AI Technical Summary

Benefits of technology

This patented describes an evaluating process that can help determine if different sizes or types of raw materials are suitable for making high-quality products with specific properties such as strengths, durabilities, etc., by comparing their effectiveness on these characteristics under various conditions over time during manufacturing processes. By doing this, we aimed towards improving efficiency and productivity while reducing costs associated therewith.

Problems solved by technology

This patented describes methods used to measure the absorption capacity and gas permeability of ironstone grains when they react together under specific conditions called sinter ingression. These techniques involve analyzing the concentration levels of certain liquids present within these particles beforehand, allowing for more accurate evaluation of their effectiveness compared to other tests like analysis of chemical compositions alone. However, current methods require complex calculations involving multiple experiments and may result in issues related to convenience, labor costs, etc., making them difficult to apply widely across industries where large amounts of ironite powder must be processed properly.

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