Roots blower for steel mill is fixed capacity type, no internal compression, the conveyed gas is mandatory, with the change of pressure, the flow rate change is very small; the impeller adopts a special curve to make the meshing more reasonable, small leakage, high efficiency, low energy consumption, is a new type of energy-saving products; the product adopts high-precision hardened synchromesh gears, with a long service life and low noise; the conveyed gas is clean and does not contain any oily dust.

The impeller adopts involute type line, advanced and reasonable, high efficiency of the whole machine, excellent material, long service life and low noise. Adopting forced lubrication, high boost, high rotor balance precision, low vibration, safe and reliable long-term operation. The main parts are processed by numerical control equipment, and the gears adopt grade 5 precision, which makes the product highly accurate and reliable in operation. The casing and wall panels adopt centre-split structure, which is convenient for overhauling. Compact structure, small volume, light weight, easy to use and maintain.