The working principle of the single-stage gasifier is based on the pyrolysis and gasification reaction of coal in a high-temperature and oxygen-deficient environment. Its core is to convert solid coal into combustible gas.

       When air and water vapor serve as gasification agents and enter the single-stage gas generator from the furnace bottom vent, the coal undergoes multiple key processes in different areas of the furnace. First there is the drying zone, where moisture is rapidly evaporated, drying the coal. Then it enters the carbonization zone, where the volatile components are decomposed by heat to produce tar, methane and other substances. Then comes the oxidation zone, where carbon and oxygen react violently to form carbon dioxide, while releasing a large amount of heat to provide energy for subsequent reactions. Later, in the reduction zone, carbon dioxide and water vapor interact with the hot carbon to produce flammable gases such as carbon monoxide and hydrogen. These mixed gases are transported to the purification system through pipelines to remove dust, tar, hydrogen sulfide and other impurities, and then pure gas is obtained, which can be used in many fields such as industrial heating, power generation or civilian cooking. This method of converting coal into efficient and clean energy not only improves energy utilization, but also reduces environmental pollution caused by direct burning of coal.
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