1results about How to "High fixed carbon content" patented technology

The invention relates to the technical field of dry quenching dust removal, in particular to an automatic ash discharge device of a dry quenching primary dust removal and secondary dust removal system, a use method and an activated carbon preparation method, the device comprises a primary dust removal system, a primary dust removal buffer bin, an activation furnace, a secondary dust removal system and a controller; the output end of the primary dust removal system is communicated with the input end of the primary dust removal buffer bin, the output end of the primary dust removal buffer bin is communicated with the activation furnace through a double-layer valve, and the output end of the primary dust removal buffer bin is further provided with a second material level detector; the output end of the secondary dust removal system is communicated with the input end of the primary dust removal buffer bin through a pipe body, a valve is arranged on the pipe body, and a first material level detector is arranged at the output end of the secondary dust removal system; and the controller is respectively connected with the first material level detector, the second material level detector, the valve and the double-layer valve. The dedusting ash of the primary dedusting system and the secondary dedusting system is activated.