A Method of Quickly Correcting the Code Value of Blast Furnace Roof Bus Type Encoder

Abstract

The invention belongs to the technical field of blast furnace automatic control and particularly relates to a method for quickly correcting the code value of a blast furnace top bus-based encoder. According to the method, the means that the actual angle of a distributing device distributing angle alpha angle motor and the actual angle of a material flow speed throttling gamma angle motor at the top of a blast furnace are worked out, a calculation formula is modified according to the actual working condition, the operation counting range limit of an detection device is determined, and the function of achieving angle one-key correcting is established through a one-key quick correcting button is adopted, so that the one-key quick correcting intelligent control function of the blast furnace top bus-based encoder is achieved, the production efficiency and reliability of a blast furnace are improved, and the time for processing the fault of winding PLC system bus hardware and related modules, the fault of the encoder and the fault of bus communication is shortened; and accordingly, the influence on blast furnace production is reduced, damping down and blast reducing of the blast furnace are reduced, and normal smelting and production of the blast furnace are ensured.

Description

technical field [0001] The invention belongs to the technical field of blast furnace automatic control, in particular to a method for quickly correcting the code value of a bus-type encoder on the top of a blast furnace. Background technique [0002] In the blast furnace ironmaking production process, the throttle valve (also known as material flow regulating valve, code-named γ), and the distribution device (moving direction is divided into tilting and rotating, code-named α and β) are all used to realize multi-ring distribution on the furnace top. As key equipment, its angle detection system directly affects the accuracy of blast furnace annular material distribution; the probe is used to detect the position of the material surface in the blast furnace, as an important reference data for blast furnace smelting, feeding and material distribution, the position measurement requires accuracy and reliability; blast furnace winch The stroke detection of the material trolley is a...

AI Technical Summary

Problems solved by technology

Its shortcomings are also obvious. Once the bus equipment fails, it will have a great impact on the system. During the recovery process, it will take a lot of time and energy to correct the code value of the encoder, which will affect the normal re-airing of the blast furnace and affect the production of the blast furnace.

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