Environmental Sanitation Engineering ›› 2025, Vol. 33 ›› Issue (3): 70-74,81.doi: 10.19841/j.cnki.hjwsgc.2025.03.009

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Research and Discussion on Municipal Sludge Drying Technology

ZHAO Feng   

  1. Beijing Jingcheng Environmental Protection Co. Ltd.
  • Online:2025-07-01 Published:2025-07-01

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Abstract: The sludge drying and incineration technology has significant characteristics of sludge reduction, stabilization, and harmlessness, which has become a key research and important development direction in the field of sludge treatment and disposal in China. Whether from the perspective of process or investment, sludge drying equipment plays a crucial role in the success or failure of sludge disposal projects. Three sludge treatment processes using blade, thin film and disc drying technology were studied and discussed from the perspectives of equipment structure, material and energy balance, process flow, control methods and future thermal drying applications, in order to provide reference for the construction and technology selection of similar projects.

Key words: sludge drying, process calculation, system control, development and applications

[1] LIU Daoguang. Experimental Test and Analysis of the Influence of Sludge Low-temperature Dryer Mesh Belt on Dehumidification Efficiency [J]. Environmental Sanitation Engineering, 2024, 32(2): 69-74.
[2] KANG Qiyu. Two-stage Sludge Drying Process of Thin Film Dryer & Linear Dryer and Its Engineering Application [J]. Environmental Sanitation Engineering, 2023, 31(4): 52-56.
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