Sewage treatment plant that can air -purifying

The utility model discloses a sewage treatment plant that can air -purifying, including casing, air cleaner structure, purifier and waste fitting discharging, air cleaner constructs including gas collecting channel, air purification device and gas vent, and gas collecting channel fixed connection is at the casing top, and air purification device passes through the blast pipe and connects between gas collecting channel and casing, be equipped with central barrel under the gas collecting channel, the backup pad is installed to central barrel bottom, installs central baffle below the backup pad, be provided with a doser inside central baffle, center barrel upper portion is equipped with a water -locator, center barrel both sides are provided with purifier, difference filter screen, biofilm carrier and high density cellosilk, the mouth of pipe at the air supply pipe is provided with the air valve, is equipped with an outlet pipe above the high density cellosilk, the utility model discloses simple structure, conve