Biochar intelligent ditching, spreading and mulching integrated machine

CN120982244BActive Publication Date: 2026-06-19CHINA AGRI UNIV

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner: CHINA AGRI UNIV
Filing Date: 2025-09-02
Publication Date: 2026-06-19

AI Technical Summary

Technical Problem

Existing agricultural machinery and equipment suffer from problems such as high transportation damage rate, inaccurate application amount, crude water spraying control, and low level of operation intelligence during biochar application, resulting in uneven distribution of biochar in the field, which affects soil improvement and crop growth.

Method used

Design a smart ditching, spreading, and mulching machine for biochar. It adopts air-blowing vacuum conveying, deep learning visual recognition technology and intelligent control system to realize flexible conveying, precise spreading and intelligent water spraying and mulching of biochar, combined with an integrated operation process of loosening soil, ditching and covering soil.

Benefits of technology

Significantly reduces biochar breakage, enables precise application and uniform distribution of biochar, improves soil amendment effects, enhances the binding between biochar and soil, improves operational efficiency and quality, and adapts to different plots and soil conditions.

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Abstract

This invention discloses an intelligent integrated machine for opening, spreading, and mulching biochar, belonging to the field of biochar application technology. It includes an integrated machine installed at the rear of a vehicle, comprising a power input mechanism connected to the vehicle's power output to provide the power source for operation; a soil loosening mechanism that uses rotational motion to break and loosen the surface soil, laying the foundation for subsequent ditching operations; a ditching mechanism for creating trenches; a biochar spreading mechanism for air-blowing and spreading biochar; a water spraying and mulching mechanism for real-time sensing of the biochar clumps and precise water spraying; and a soil covering mechanism for pushing loose soil from both sides of the trenches to cover the biochar and form a protective layer. The integrated machine is connected to a control system, which controls the coordinated operation of all its components. The integrated machine of this invention has a compact overall structure and multiple functions, enabling integrated and efficient biochar and fertilization operations in farmland.

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