Efficient coal stove

The utility model relates to a high efficiency coal stove, comprising a stove wall, a stove tube, an upper sleeve, a lower sleeve, a stove lining, a stove tray and a stove mouth. The upper sleeve is arranged between the stove tube and the stove wall; the lower stove is arranged in a stove bottom cavity and joints the stove wall; the stove bottom cavity usually adopts the coal stove which is 20mm to 60mm high; a supporting plate is arranged between the upper stove sleeve and the lower stove sleeve; the stove sleeve and the lower stove sleeve both are made of heat insulating materials. The utility model has the advantages of rapid lighting, strong fire power, small heat radiating and high heat efficiency, saving about 30 percent coal and 20 percent time comparing to the coal stoves in common use. The utility model is applicable for the life coal stoves which are made of the materials such as iron sheet stove and cast iron stove. 一种新型高效煤炉，由炉壁、炉胆、上套管、下套管、炉衬、炉盘、炉嘴等组成。上套管位于炉胆和炉壁之间；下套管装在炉底腔内并与炉壁贴合；炉底腔较常用煤炉高20mm～60mm；上套管和下套管之间有一个支撑板；上套管和下套管用绝热材料制成。本实用新型上火快，火力强，散热少，热效率高，与常用煤炉相比，省煤约30％，节省时间约20％。本实用新型适用于铁皮炉、铸铁炉等各种材质制成的生活煤炉。