Lignite Drying And Upgrading Machine

Product Introduction

Lignite, a type of low-grade coal, is characterized by its brown to dark brown color, lack of cohesion, high water content, high volatile content, low density, and high oxygen content (up to 15-30%). It is the lowest rank of coalification, with properties that fall between peat and bituminous coal. Lignite has a tendency to fragment easily and undergo spontaneous combustion when exposed to air. In accordance with China's coal classification standards, lignite is categorized into two types: old lignite with a light transmittance of PM 30-50%, and young lignite with a light transmittance of PM less than or equal to 30%. Most of the lignite found in China and Indonesia is old lignite.

TongDing New Energy Technology Co., Ltd. has been active in the coal and slime drying industry for many years. Through the study of lignite's physical and chemical properties, as well as parameters such as drying temperature, pressure, wind speed, and oxygen content, we have established a lignite drying machine test base in Inner Mongolia. After conducting numerous experiments and demonstrations, we have successfully developed an upgraded lignite dryer equipment for lignite drying.

Our lignite dryer can reduce the moisture content of lignite by 25-60% to 15-30%, while increasing the calorific value of treated coal by 30-40%. This treated coal can be used directly as a substitute for bituminous coal or anthracite in power plants. The technology and equipment have been extensively tested in Inner Mongolia, Yunnan, Xinjiang, and Indonesia, and have been shown to be safe, stable, energy-efficient, and environmentally friendly. The technology and equipment have great potential for application in various lignite mining enterprises.

Layout Reference

Working Principle

For many years, TongDing Machinery Co., Ltd. has been involved in the coal and slime drying industry. Through the study of the physical and chemical properties of lignite, as well as related parameters such as drying temperature, pressure, wind speed, and oxygen content, we have established a lignite drying machine test base in Inner Mongolia. Following extensive technology research and development, and a number of experimental demonstrations, we have successfully developed upgraded lignite dryer equipment for lignite drying. Our lignite dryer can reduce the moisture content of lignite by 25-60% to 15-30%, while increasing the calorific value of treated coal by 30-40%. The treated coal can be directly used as a substitute for bituminous coal or anthracite in power plant applications. This technology and equipment have been tested in Inner Mongolia, Yunnan, Xinjiang, and Indonesia, and have been proven to be safe, stable, energy-efficient, and environmentally friendly. As such, they have great market potential for a variety of lignite mining enterprises.

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