Gas generator is used to provide the mixing gas device for machinery, metallurgy, building materials, light industry, chemical industry, refractory etc. thermal processing workshops. Gas producer with single bucket lifting coal machine, adopts the double sealing bell with an automatic coal feeding, using disk automatically wet ash slag. Grate transmission machinery all designed outside of body, reliable operation, convenient installation and repair. Furnace water jacket and drum system low pressure equipment, have been the design strength calculation for manufacturing, strict requirements, products manufactured before the careful examination, ensure quality, furnace production of steam supply and top bottom blowing fire exploring hole seal used in production, without external supplementary steam, to reduce energy consumption.