The invention discloses a chain boiler for recovering carbon with cinders, comprising a hearth, a cinder intake system and a carbon recovery system, wherein the cinder intake system comprises a cinder intake funnel, a rotary drum with positive electricity and a rotary drum with negative electricity, wherein the cinder intake funnel is provided with a rotationally stirring rod; a bottom plate of the cinder intake funnel is provided with a plurality of cindering slits; the rotary drum with the positive electricity and the rotary drum with the negative electricity are parallelly arrayed below the cinder intake funnel; a cinder collecting box and a carbon granule collecting box are respectively arranged below the rotary drum with the positive electricity and the rotary drum with the negative electricity; the sharing wall of the two collecting boxes is provided with a front scraping plate and a rear scraping plate; the front scraping plate contacts with the rotary drum with the positive electricity; the rear scraping plate contacts with the rotary drum with the negative electricity; the carbon recovery system comprises a fan cover, a delivery pipe and an ejector, wherein the fan cover is positioned above the carbon granule collecting box and communicated with one end of the ejector through the delivery pipe; the other end of the ejector is connected with an rear arch by using the delivery pipe; and the rear arch is communicated with the hearth. The invention has high fuel burning degree and heat efficiency and can be widely used in the field of boiler equipment.