Dust removal and recovery device of reaction kettle

The utility model provides a dedusting and recycling device of a reaction kettle, which comprises a dedusting component and a recycling component, the dedusting component comprises a vent pipe, a fan is arranged on the vent pipe, one end of the vent pipe is communicated with the reaction kettle, and the other end of the vent pipe is communicated with a chimney through a recycling tank; the recycling assembly comprises a spraying pipe, one end of the spraying pipe is communicated with the ventilation pipe, the other end of the spraying pipe penetrates through the recycling tank and then is connected with a water supply device, the end, communicated with the ventilation pipe, of the spraying pipe is connected with a first spraying device, and a second spraying device is arranged in the recycling tank and communicated with the spraying pipe. When the reaction kettle is used, airflow in the reaction kettle together with raw material particles is discharged through the ventilation pipe and the chimney, so that the