... and recommendation of AAC suppliers if you want. SZL coal-fired steam boiler Specifications:1) 1MT/h - 44MT/h, ... condition of no scoot blowing,which can keep the boilers running high efficiently, with full load and safely. ... way design, adopt reasonable injected circulation for hot water boilers, medium speed in back way of heat surface is ... workshop,welcome to have a visit! SZL Coal-fired steam boilers