Thin granule removes bed gas retort for four sections

The utility model discloses a thin granule removes bed gas retort for four sections. The gas retort is equipped with the feed inlet on dry preheating section upper portion, the downside is equipped with hot flue gas air inlet and the upside is equipped with exhaust port and gas vent, dry preheating section is equipped with the dry heat exchanger with hot flue gas air inlet and exhaust port intercommunication, dry preheating section feeds through from top to bottom through seal section and dry distillation section, under the dry distillation section, the upside is equipped with high temperature flue gas air inlet and exhanst gas outlet, the dry distillation section is equipped with to be derived mouthful with the dry distillation heat exchanger of high temperature flue gas air inlet and exhanst gas outlet intercommunication and with the oil gas of outer wall vapor recovery system system intercommunication, cooling zone and dry distillation section intercommunication and lower part with headtotail and the downside is equipped with the water inlet, the upside is equipped with the delivery port discharges of the coke, the cooling zone is equipped with the cooling heat exchanger with water inlet and delivery port intercommunication. The utility model has the characteristics of consumption of power is low, oil gas dust volume less, the pyrolysis caloric power of gas is high, resource utilization rate is high.