The invention relates to a gas cleaning device, which has at least one gas-liquid mixed flow device, each gas-liquid mixed flow device has a frame body, the frame body is provided with a mixed flow tube and an inner tube group in the mixed flow tube, the inner tube group The first inner mixing tube is formed with an air flow channel and a water flow channel for respectively supplying air and water, and the mixed flow tube has a discharge port and a secondary mixed flow blade is arranged therein, and a driving unit can connect and drive the The primary mixed flow vane and the secondary mixed flow vane, the air and water are pushed to the secondary mixed flow vane by the first mixed flow vane to break the air into a small volume and fully contact with the water and remove the dirt, and clean The rear air is output from the discharge port, so that the air in the building can be effectively purified and recycled as a practical creator with low cost.本發明係一種氣體清淨裝置，其具有至少一氣液混流設備，每一氣液混流設備具有一架體，該架體設有一混流管及一位在混流管內的一內管組，該內管組設有一級混流葉片，該內管組形成有氣流道及水流道以分別供空氣及水可流入，又該混流管具有排出口且內部設有二級混流葉片，一驅動單元可連接並驅動該一級混流葉片及該二級混流葉片，藉由該一級混流葉片將空氣及水推動至該二級混流葉片處，以將空氣破碎為較小體積而與水充分接觸並將污物予以去除，清淨後的空氣由排出口輸出，如此循環清淨後可將建築物內的空氣予以有效淨化且為一成本低的實用創作者。
