The three lobes roots blower has the characteristics of stable air volume and small pressure change; pure exhaust gas and no oil pollution; solid and simple structure, easy maintenance; bearings are lubricated by oil, good heat dissipation, long life and so on. Because of these characteristics, it is often used in energy saving and environmental protection, automatic car washing machine equipment, meltblown cloth machinery and equipment, sewage treatment, fish pond aquaculture and oxygenation, vacuum packaging, pneumatic conveying projects and other occasions. Today we will talk about energy saving and environmental protection three lobes roots blower: It adapts to the development of the current era, with low noise and long life.