Gas-collecting hood of carbonization furnace

The utility model provides a gas collecting hood of a carbonization furnace, which comprises a collecting system arranged at the top of an inner cavity of the carbonization furnace and used for collecting coal gas generated by the carbonization furnace; the gas collection system is arranged above the collection system, is communicated with the collection system and is used for gathering the coal gas collected by the collection system and guiding the coal gas out of the carbonization furnace; the lifting control system comprises a lifting mechanism, a driving motor and a controller, the driving motor is fixed to the furnace top steel plate and connected with the gas collection system through the lifting mechanism, the controller controls the driving motor to rotate forwards or backwards to drive the lifting mechanism to ascend or descend, and the lifting mechanism is connected with the gas collection system. And therefore, the whole gas-collecting hood ascends or descends. According to the utility model, the l