Control device and method for crushing system, crushing system, and particle size characteristic calculation device and method

WO2025070590A1 Publication Date: 2025-04-03EARTHTECHNICA CO LTD
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Patent Information

Application Number
PCT/JP2024/034391
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-26
Filing Date
2024-09-26
Publication Date
2025-04-03

AI Technical Summary

Technical Problem

The prior art is difficult to accurately measure and control the production volume of fine-grained size classification, making it difficult to achieve accurate control of the production volume of a given particle size classification during the production process.

Method used

By using arithmetic units in the crushing system, the surface measurement data of the crushed product is obtained, the particle size ratio is calculated, and the load indicators of the crushing system are obtained. Control commands are generated based on these data to adjust the operating status of the crusher and supply equipment to ensure that the load indicators are within the reference range.

Benefits of technology

It realizes intuitive mastery of the production volume of crushed products classified with a given particle size, and ensures the stability of the production process and the optimization of the production volume through precise control of the crushing system.

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Abstract

This control device for the crushing system is provided with an arithmetic unit configured to: calculate a particle size ratio, in which a production amount of a predetermined target particle size division of a crushed product is represented by a ratio with respect to a predetermined reference production amount, from surface shape measurement data representing a surface shape of the crushed product; acquire a load index representing a crushing load applied to a crusher; generate a load index target value for reducing a particle size ratio deviation obtained by subtracting the particle size ratio from a predetermined particle size ratio target value; and generate a control command value for controlling at least one of the crusher and the supply machine from the load index and the load index target value so that the load index is within a reference range based on the load index target value.
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