Aggregate moisture content online microwave measurement and proportioning automatic adjustment system and method

By using online microwave detection and a closed-loop control system, the problems of delayed detection and inaccurate measurement of moisture content in recycled aggregates have been solved, enabling real-time dynamic adjustment of aggregate moisture content and improving finished product quality and production efficiency.

CN122409707APending Publication Date: 2026-07-17CHINA CONSTRUCTION INVESTMENT (SHAANXI) EQUIPMENT REMANUFACTURING IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA CONSTRUCTION INVESTMENT (SHAANXI) EQUIPMENT REMANUFACTURING IND CO LTD
Filing Date
2026-05-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, the detection of moisture content in recycled aggregates is lagging and inaccurate, making it impossible to achieve closed-loop control, resulting in unstable finished product quality and low production efficiency.

Method used

A closed-loop control system is constructed using an online microwave moisture content detection module, a central control unit, and an intelligent water metering and addition unit. Through microwave penetration measurement and dynamic water adjustment algorithms, it achieves real-time, non-contact detection and automatic adjustment of aggregate moisture content. Combined with the intelligent water metering and addition unit, it achieves precise water consumption control.

Benefits of technology

It enables real-time dynamic adjustment of aggregate moisture content, improves the uniformity of finished product quality, reduces the consumption of cementitious materials and water resources, and enhances the automation and data traceability of the production process.

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Abstract

本发明公开了一种骨料含水率在线微波测量与配比自动调整系统及方法,属于固体废弃物资源化利用领域;本发明针对再生骨料含水率波动大、检测滞后导致成品质量不稳定的问题,通过在线微波含水率检测模块实时非接触式测量骨料含水率,中央控制单元根据公式动态计算需补偿水量,并驱动智能水计量与添加单元精确加水,形成闭环控制;本发明实现了配比用水量的全自动动态调整,显著提升了再生混凝土等产品的质量稳定性,节约了胶凝材料和水资源,适用于各类建筑固废再制造站。
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