The invention discloses a household garbage incinerator. The household garbage incinerator comprises a house body, an incinerator body, a
smoke exhausting
system, a sorting tank, a
septic tank and a
drying chamber, wherein the house body is divided into an upper storey and a lower storey; the incinerator body is arranged at the lower storey of the house body and comprises a
combustion chamber, a primary
smoke chamber and a secondary
smoke chamber, an incinerator opening and a feed port are formed in the
combustion chamber, the primary smoke chamber and the
combustion chamber are internally tangent to the side where the incinerator opening is formed, a first smoke port communicated with the primary smoke chamber is formed in the
combustion chamber, the secondary smoke chamber and the primary smoke chamber are internally tangent to the side where the incinerator opening is formed, a second smoke port communicated with the secondary smoke chamber is formed in the primary smoke chamber, and a first smoke exhaust outlet is formed in the secondary smoke chamber; the smoke exhausting
system is connected with the first smoke exhaust outlet; the sorting tank is arranged at the upper storey of the house body; the
septic tank is arranged at the lower storey of the house body, and a feed inlet of the
septic tank is located at the upper storey of the house body; the
drying chamber is arranged at the upper storey of the house body and above the incinerator body. With the adoption of the household garbage incinerator, household garbage can be classified, dried, composted and combusted, the smoke
treatment effect is good, the
land utilization rate is high, and the treatment cost can be reduced.