Intelligent extract method of edge temperature of blast furnace charge level temperature field

Abstract

The invention relates to an intelligent extract method of edge temperature of blast furnace charge level temperature field, aiming at solving the problem that edge temperature characteristic information in a large blast furnace charge level temperature field is difficult to extract and reflecting the edge temperature information of blast furnace charge level temperature field, thus ensuring blastfurnace production to be smooth by predicting development condition of edge coal gas flow and guiding material and blowing-in system, so as to realize long life and high efficiency of the blast furnace. In the invention, multiple sources such as furnace wall thermocouple, cross beam edge temperature measurement, stock line depth are utilized to detect information, heat conduction theory and intelligent information fusion method are combined, and the edge temperature of blast furnace charge level temperature field and distribution thereof are obtained by calculation. The invention provides a reliable basis for knowing the edge temperature distribution of blast furnace charge level temperature field and further provides objective and quantitative reference information for judging edge coal gas flow distribution in blast furnace smelting process.

Description

technical field [0001] The invention relates to the technical field of process monitoring and control of iron and steel metallurgical production, in particular, it provides an intelligent extraction method for the edge temperature of the material surface temperature field of a large blast furnace. Background technique [0002] As an important basic raw material and strategic material for the development of my country's national economy and national defense and military industry, steel has been widely used in various industries such as machinery, electronics, building materials, transportation, aerospace, aviation, national defense and military industry, and plays a very important role in the development of the national economy. [0003] The blast furnace is the key equipment for steel production. Blast furnace production requires the gas flow at the edge to have a certain strength, so as to reduce the friction between the charge and the furnace wall, and prevent abnormal furn...

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Problems solved by technology

[0004] In order to effectively solve the problem that it is difficult to obtain accurate temperature information at the edge of the material surface temperature field in the production process of large blast furnaces, the present invention provides a method that combines neural network, fuzzy reasoning, expert rules and heat conduction theory, and integrates the cross temperature measurement edge Multi-source detection information such as temperature, material line depth, furnace wall thermocouple, etc., realizes soft measurement of edge temperature of blast furnace material surface temperature field

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