Multi-effect air cooler based on biogas purification equipment

The utility model discloses a multi-effect air cooler based on biogas purification equipment, and relates to the technical field of air coolers. The air cooler comprises an air cooler frame body, a movable shutter device; the movable shutter device comprises a shutter body, a movable shaft connected to the side face of the shutter body, a movable bolt connected to one side of the shutter body, a movable handle connected to the movable bolt and a fixed handle connected to the movable handle. And; and a movable fan device. According to the air cooler, the movable shutter device and the movable fan device are arranged, so that the problems that when an existing air cooler is used, a shutter is usually fixed to the upper end of the air cooler for use, the interior of the air cooler is difficult to clean, a side handle protrudes outwards, cannot be folded and is prone to being damaged, and meanwhile the side handle cannot be folded and is prone to being damaged are solved. The problems that a fan is usually fixed