QP1200 shot blasting cleaning machine for outside of steel pipes 1.The application This machine is the through type shot blasting cleaning machine, which transmits the work piece by web roll. The equipment has the feature of compact structure, good cleaning effect, high productivity, which is suitable for different diameters of steel pipes fromΦ273 Φ1200, to be cleaned. 2. The main specifications and technical parameter 2.1 the specification of cleared work piece Diameter: Φ273 Φ1200mm Length: 6000 12000mm 2.2 impeller head: 2 units Power: 2×15 kW Shot blasting quantity: 2×280kg/min Diameter of blade: Φ360mm 2.3separator: Separating quantity: 40t/h Power: 2.2 kW 2.4 hoisting machine Hoisting quantity: 40t/h Power: 1.5 kW 2.5 helix conveyor: Conveying quantity: 40t/h Power: 2.2kW 2.6 conveying roller bed: Conveying speed: 0.5 4m/min Working speed: 0.5 3m/min Power: 2×4kW 2.7 shot: Diameter of shot: Φ0.8 Φ1.5mm First load: 1500kg 2.8 dust abatement: Air volume: 8000m3/h Power: 7.5 kW 2.9 total power: 52 kw