In the field of industrial drying, pulverized coal hot air furnaces are becoming a new choice for many companies to replace traditional coal-fired boilers with their technical advantages of high thermal efficiency and low emissions. Especially in industries with strong drying demand such as mining, chemical industry, and agricultural product processing, the application of pulverized coal furnaces is triggering an energy efficiency revolution.
The thermal efficiency exceeds 90%. Compared with traditional layer-fired coal-fired boilers, modern pulverized coal hot air furnaces use advanced atomization combustion technology, which can make the pulverized coal combustion efficiency reach more than 98%, and the system thermal efficiency exceeds the 90% mark.
"The instantaneous ignition characteristics of the pulverized coal furnace enable it to quickly reach the working temperature. With the intelligent temperature control system, the temperature fluctuation of the dryer outlet can be controlled within ±3℃." The technical director of a well-known domestic thermal equipment manufacturer introduced.
This system enables the dryer to automatically match the optimal drying curve according to the characteristics of different materials. In the drying of chemical raw materials, kaolin, feed and other materials, the product qualification rate is generally increased by 5-8 percentage points.
However, industry experts also pointed out that the initial investment in a pulverized coal hot blast furnace is relatively high, and there are strict requirements on the quality of the pulverized coal. It is recommended that small and medium-sized enterprises consider gradually introducing a contract energy management model.
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