Hearth structure of small household garbage incinerator

The utility model discloses a hearth structure of a small household garbage incinerator. The hearth structure comprises a front arch and a rear arch, wherein the rear arch is positioned behind the front arch and is opposite to the front arch; the front arch comprises a front arch upper section, a front arch middle section and a front arch lower section which are connected in sequence; the rear arch comprises a rear arch upper section, a rear arch middle section and a rear arch lower section which are connected in sequence; a hearth throat part is arranged between the front arch middle section and the rear arch middle section; the middle section of the front arch inclines towards one side of the rear arch from bottom to top; the rear arch middle section is arranged in the vertical direction. According to the utility model, the flow area of the hearth throat part can be enlarged, and the coking phenomenon at the hearth throat part can be reduced. 本实用新型公开了一种小型生活垃圾焚烧炉的炉膛结构，它包括前拱和位于所述前拱的后方并与所述前拱相对设置的后拱；所述前拱包括依次连接的