Gas treatment device for BOPA film production

The utility model relates to the technical field of BOPA (Biaxially Oriented Polyamide) film production, in particular to a gas treatment device for BOPA film production, which improves the treatment stability of particulate matters in waste gas and improves the utilization rate of waste gas resources. Comprising a treatment box, a gas inlet pipe, a coil pipe, a connecting pipe, a gas dispersing pipe, an exhaust pipe, a communicating pipe and a driving mechanism, the treatment box is provided with a water inlet pipe and a water outlet pipe, the gas inlet pipe is installed at a through hole of the treatment box, the coil pipe is installed in a cavity of the treatment box, the gas inlet pipe is communicated with the gas inlet end of the coil pipe, and the communicating pipe is communicated with a gas outlet hole of the coil pipe; the diffuser pipe is rotatably mounted on the connecting pipe and provided with multiple groups of exhaust holes, one-way valves are arranged at the exhaust holes of the diffuser pipe,