Method for detecting stockline depth in blowing-out process of blast furnace

CN119506499APending Publication Date: 2025-02-25BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information

Application Number
CN202411583407.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

During blast furnace shutdown, inaccurate monitoring of material line depth may lead to excessive furnace top temperature, causing equipment burning and safety hazards.

Method used

By obtaining the ton of coke air consumption data during the blast furnace historical shutdown process, the cumulative air volume and coke consumption per unit time are calculated, and the volume freed per unit time and the depth of the material line drop are calculated to achieve accurate detection of the depth of the material line.

Benefits of technology

Accurately monitor the depth of the material line to avoid excessive furnace top temperature and ensure safety of the furnace shutdown process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a method for detecting the depth of a stockline in the blowing-out process of a blast furnace. The method comprises the following steps: acquiring ton coke air consumption data of the blast furnace in the historical blowing-out process; according to the historical blowing-out data of the blast furnace, calculating the accumulated air volume in unit time and the coke consumption in unit time; calculating the vacated volume per unit time according to the coke consumption per unit time; and calculating the stockline descending depth according to the volume vacated in unit time. By accurately monitoring the depth of the stockline, the temperature of the furnace top can be prevented from being too high, and the safety in the blowing-out process is guaranteed.
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