Intelligent control method for sintered ore magnesium oxide

Abstract

The invention relates to an intelligent control method for sintered ore magnesium oxide. The intelligent control method comprises the following steps that (1) the ratio and the blanking amount of a magnesium-containing flux are calculated; (2) the calculated proportion and blanking amount of the magnesium-containing flux are issued to a primary batching system, and blanking is carried out through the primary batching system; (3) a magnesium oxide adjustment value is calculated according to the actual blanking amount of the primary batching system and a magnesium oxide target value; and (4) if the deviation between the magnesium oxide adjustment value and the magnesium oxide target value is out of a preset range, the proportion and the blanking amount of the magnesium-containing flux is recalculated according to the magnesium oxide adjustment value, and the steps (2) to (3) are repeated until the deviation between the magnesium oxide adjustment value and the magnesium oxide target value is within the preset range. According to the intelligent control method, the addition of the magnesium-containing flux is intelligently controlled, so that the accurate control of the magnesium oxide is realized.

Description

technical field [0001] The invention relates to the technical field of magnesia addition, in particular to an intelligent control method for sintered ore magnesia. Background technique [0002] In the blast furnace smelting process, the content of magnesium oxide in the slag is the main factor affecting its fluidity, and the magnesium oxide in the slag mainly comes from the iron-containing raw materials entering the furnace. At present, the main incoming iron material for blast furnace smelting is sintered ore, so the control of sintered magnesium oxide has a great influence on the smooth operation and production quality of blast furnace. The main sources of magnesia in sinter are mixed ore, returning ore and magnesium-containing flux. When the quality, dosage or production of magnesium-containing flux changes, it will cause fluctuations in sinter magnesia. Generally, the control of magnesia in enterprises is manual adjustment control , It is completed by manual experience,...

AI Technical Summary

Problems solved by technology

The main sources of magnesia in sinter are mixed ore, returning ore and magnesium-containing flux. When the quality, dosage or production of magnesium-containing flux changes, it will cause fluctuations in sinter magnesia. Generally, the control of magnesia in enterprises is manual adjustment control , completed by manual experience, with disadvantages such as low accuracy, poor timeliness, and poor adaptability, etc., which have a great impact on the next process of the blast furnace.

Images