Dry distillation gasification device with pulverized coal rotational flow backflow hot coal gas graded heating temperature control

• Main Authors: FAN HAIQIANG, FAN SHAOYANG, CHEN WEIHAN
• Format: Patent
• Language: Chinese; English
• Published: 28.03.2023
• Subjects: CARBURETTING AIR OR OTHER GASES; CHEMISTRY; FUELS; LUBRICANTS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; TECHNICAL GASES CONTAINING CARBON MONOXIDE

The utility model relates to a dry distillation gasification device with pulverized coal rotational flow backflow hot coal gas graded heating temperature control, which can effectively solve the problems of uncontrollable temperature and composition of hot coal gas, low energy consumption, high efficiency and high cost in the prior art. The furnace body is of a bottle-shaped structure formed by building refractory materials in two steel cylinders which are sealed up and down and have different diameters, the upper cylinder is in a bell jar shape, an upper rotational flow dry distillation chamber and a lower dry distillation gas mixing and heating chamber are formed in the inner space of the upper cylinder, and the lower cylinder is formed by connecting a conical cylinder with the lower cylinder; the gasification device provided by the utility model has a stable, safe and compact optimized structure, achieves the excellent performances of high gasification efficiency, high coal gas quality, high controllabilit