The invention belongs to the technical field of dry quenching, and more specifically relates to a dry quenching rotary seal valve material jam processing method. According to the dry quenching rotaryseal valve material jam processing method, when rotary seal valve material jam fault is caused, loading of red coke is stopped, and a dry quenching furnace cover is closed; the rotary seal valve is subjected to a plurality of times of positive and negative rotation alternative point motion to discharge foreign matters and realize recovery of normal production; if it is impossible to realize discharge of the foreign matters, the load of a steam turbine is reduced, power generating of a dry quenching generator set is maintained; the internal pressure of the rotary seal valve is adjusted to be negative; air is used for replacing inert circulating gas in the rotary seal valve, when the content of toxic gas in the rotary seal valve is detected to be qualified, and the content of oxygen in the rotary seal valve is detected to be qualified, rotary seal valve fault eliminating is carried out. The dry quenching rotary seal valve material jam processing method is capable of solving technical problems in the prior art that dry quenching charcoal production and generating capacity severely influenced by operation stop of a circulating blower fan and the dry quenching generator set.