Molten metal fluid temperature polymorphic online detection method and system

A technology for molten metal and fluid temperature, which is applied in the field of multi-state online detection method and system for molten metal fluid temperature, and can solve problems such as low precision
CN114136458APending Publication Date: 2022-03-04CENT SOUTH UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CENT SOUTH UNIV
Publication Date
2022-03-04

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Abstract

The invention discloses a molten metal fluid temperature polymorphic on-line detection method and system, and the method comprises the steps: obtaining a molten metal fluid infrared thermal image, extracting a molten metal fluid region in the molten metal fluid infrared thermal image, dividing the dust interference state of a smelting site, and obtaining the molten metal fluid temperature polymorphic on-line detection result. Establishing a deep network model for identifying different interference states of dust, constructing a molten metal fluid surface oxide layer temperature polymorphic detection model under different dust interference states, and obtaining the temperature of the molten metal fluid according to the molten metal fluid surface oxide layer temperature polymorphic detection model; the technical problem that an existing molten metal fluid temperature polymorphic online detection method is low in precision is solved, the polymorphism of dust interference on a smelting site is considered, the interference state of dust is intelligently recognized, the influence of a molten metal fluid surface oxide layer is analyzed, the interference of dust on the smelting site to a non-contact infrared temperature measurement method is overcome, and the accuracy of the molten metal fluid temperature polymorphic online detection method is improved. And the multi-state on-line accurate detection of the temperature of the molten metal fluid is realized.
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Description

technical field

[0001] The invention mainly relates to the field of detection of blast furnace material level depth, in particular to a multi-state online detection method and system for molten metal fluid temperature. Background technique

[0002] Molten metal is a high-temperature molten fluid formed after a complex smelting process of metal ore, including molten iron, molten steel, molten copper, molten aluminum, etc. The fluid temperature of molten metal is one of the important indicators reflecting the quality of molten metal and the energy consumption level of smelting, and it also provides key feedback information for the closed-loop regulation of the metal smelting process. Therefore, online detection of molten metal fluid temperature is a mandatory requirement in many smelting processes.

[0003] According to whether the detection equipment is in contact with the molten metal fluid, the existing detection methods for the temperature of the molten metal fluid can be...

Claims

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