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Optimization and Experiment of Livestock and Poultry Manure Composting Equipment with Vented Heating

Author

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  • Kailin Ren

    (College of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China
    These authors contributed equally to this work.)

  • Lide Su

    (College of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China
    These authors contributed equally to this work.)

  • Yong Zhang

    (College of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China)

  • Xiang He

    (College of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China)

  • Xuyang Cai

    (College of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China)

Abstract

As livestock and poultry farming expands in China, the generation of fecal waste has significantly increased. Inadequate waste management can contribute to environmental pollution. This study seeks to optimize small-scale composting systems to address the inefficiencies and the limited automation of traditional composting equipment. We redesigned the mixing blades and refined the ventilation heating system, establishing an efficient mixing mechanism and an energy-saving ventilation heating system. A control system, incorporating Monitor and Control Generated System and Programmable logic Controller, was developed for real-time monitoring and adjustment capabilities, substantially enhancing automation levels. The optimization proved effective by reducing the composting cycle from 13 days to 11.5 days, increasing the GI value from 83% to 89%, and lowering the humidity from 8.9% to 8.1%.

Suggested Citation

  • Kailin Ren & Lide Su & Yong Zhang & Xiang He & Xuyang Cai, 2023. "Optimization and Experiment of Livestock and Poultry Manure Composting Equipment with Vented Heating," Sustainability, MDPI, vol. 15(14), pages 1-22, July.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:14:p:11353-:d:1199199
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    Cited by:

    1. Gheorghe Lazaroiu & Lucian Mihaescu & Rodica-Manuela Grigoriu & Gabriel-Paul Negreanu & Dorel Stoica, 2024. "Possibilities of Climate Control of Poultry Complexes through Co-Combustion of Poultry Waste–Solid Biomass for Agriculture in Romania," Agriculture, MDPI, vol. 14(3), pages 1-16, March.
    2. Jian Wang & Kailin Ren & Zhe Li & Longfei Zhang, 2024. "An Investigation on a Comprehensive Calibration Technique to Determine the Discrete Elemental Characteristics of Unrotted Sheep Dung at Varying Water Concentrations," Agriculture, MDPI, vol. 14(10), pages 1-22, October.

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