An apparatus for treating VOC emissions in printing process

The utility model discloses a device for treating VOC emission in the printing process, and belongs to the technical field of printing. According to the utility model, the printing machine, the air suction chamber, the microbiological treatment chamber, the VOC treatment tank, the drying discharge chamber, the screen grid plate, the condensation pipe, the air extractor, the air blower, the semipermeable membrane, the air guide pipe, the VOC concentration detector, the PLC, the regulating valve, the drying treatment layer, the I-shaped air guide pipe, the microbiological treatment tank, the movable switch 1 and the movable switch 2 are arranged coherently; and the treatment of the VOC waste gas is completed. The VOC waste gas treatment device can be used for carrying out dual purification treatment of microorganisms and the treatment tank on VOC waste gas, is novel in structure, can be used for carrying out on-line detection on purified gas, and is provided with secondary treatment of non-standard gas, so that