Q69 series steel plate and section steel pretreatment line is mainly composed of such stage as preheating, shot blast cleaning, painting and stove, ect. It is suitable for the surface de-rusting and painting craft for steel plates and sections in such industries as ship-making, automobile making, locomotive vehicle, bridge, and machinery. Technical parameters of Q69 series Pass-through type shot blast machine Serial number TypeItemQ698Q6912Q6915Q6920Q6925Q6930Q69401Effective cleaning widthmm8001200150020002500300040002Dimension of inlet openingmm800×16001200×4001500×4002000×4002500×8003000×8004000×4003Length of cleaning piecemm1200-120001200-60001200-120001200-120003000-120002400-120004500-180004Roller speed (stepless speed regulation)m/min0.5-40.5-40.5-40.5-40.5-40.5-42-85Thickness of cleaning steel platemm3-603-603-603-603-603-1104.5-1006Specification of the treated sectional barsφ16-28[≤20#≤16#[≤20#≤16#[≤20#≤16#60×8-300×10007Abrasive flow ratekg/min8×1204×2504×2506×2506×2506×3608×3608Abrasive initial fillingkg400040004000450045008000110009Adjusting height of rolling brush (scraping plate)mm400020035045060085090010Ventilation capacitym3/h2200017560190001955027758280503800011Outline dimensionsmm25017×4500×901512180×4250×709515200×5370×679730650×6850×909531200×8070×750044042×6385×775845000×7830×1111712Pit deepmm193716162257280023532800431713Total power (excluding dusting)kw9078.3113.5156.6224.55204.8293.614Gross weight of machinet2020.4334153.271.875