Device for continuous thermal cracking of rubber block

The utility model relates to a device for continuous thermal cracking of a rubber block. The device comprises a rubber block thermal cracking furnace unit and a hot gas fire box heating unit, the rubber block thermal cracking furnace unit is a tube chain type cracking furnace; the cracking furnace comprises two cracking furnace circular tubes which are communicated up and down, a rubber block inlet pipe is arranged on the cracking furnace round pipe on the upper side, an oil gas outlet pipe is arranged on the cracking furnace round pipe on the lower side, a front chain wheel bin and a rear chain wheel bin are installed at the two ends of the two cracking furnace round pipes respectively, a chain penetrates through the two cracking furnace round pipes and bypasses the two chain wheels, andthe two cracking furnace round pipes are communicated through a discharging pipe; a plurality of discs are arranged on the chain, the chain wheel driving motor is connected with a chain wheel in the front chain wheel bin, and