Import Brown Coal Drying Machine — Buy in wholesale FOB from Supplier in China

This Brown Coal Drying Machine is manufactured by Zhengzhou Dingli New Energy Technology Co., Ltd. in Henan Province, China. The unit employs an indirect heating configuration using heat conduction oil or saturated steam as the thermal medium, which separates the combustion gases from the material stream to reduce fire risk and control volatile organic compound emissions. The design targets high-moisture brown coal, also known as lignite, with typical feed moisture of 30 to 60 percent and product moisture reduction to approximately 12 to 15 percent depending on residence time and temperature profile.

Indirect heating through thermal oil or steam allows precise temperature control in the drying drum, with oil systems typically operating at 200 to 300 degrees Celsius and steam systems at saturated pressures of 0.6 to 1.6 MPa depending on design. The drum construction uses carbon steel with refractory or stainless-steel liner options for abrasion resistance, given lignite's elevated silica and pyrite content. Heat transfer efficiency in indirect rotary dryers for coal applications typically ranges from 60 to 80 percent, with specific evaporation rates of 15 to 25 kg water per hour per square metre of heating surface. The machine is suited for integration into power plant fuel preparation lines, briquetting operations and coal upgrading facilities.

Buyers include power generation companies, coal preparation plants and solid-fuel industrial boilers seeking to raise calorific value and reduce transportation costs. The supplier references ISO and CE compliance in its source material, though buyers should request current certificate numbers and scope. The listing does not specify a standard model range, motor power, drum diameter or throughput capacity in tonnes per hour; these parameters must be confirmed directly with Zhengzhou Dingli for project-specific sizing.

Zhengzhou Dingli New Energy Technology Co., Ltd. is located at No.12 Hongye Road, Zhengzhou, Henan Province, in central China's industrial corridor. Henan is a major centre for heavy machinery manufacturing, with Zhengzhou serving as a rail and logistics hub connecting to Qingdao, Tianjin and Lianyungang ports. The supplier carries a Harbor trust tier with a response rate of 0.00 percent and no recorded average response hours, indicating limited or unmonitored platform activity. No factory audit, export volume or year of establishment is provided in the available profile.

The company's product focus is on industrial drying and dehydration equipment, with this listing representing its coal thermal processing line. The source material positions the supplier as serving energy production, mining and environmental management sectors. Buyers should verify whether Zhengzhou Dingli manufactures the thermal oil heater and steam generation subsystem in-house or sources from partner boiler makers, as this integration level affects spare parts availability and warranty coverage. Direct factory inspection in Zhengzhou is recommended before committing to capital equipment procurement.