概述 Application（）919AID、926AID型系列离心通风机是国家经委和机电部推广的节能风机产品。适用于一般锻冶、玻璃、陶瓷、无线电、电镀、蓄电池等行业高压强制通风以及粮食、饲料、矿粉、塑料等加工行业的物料输送：输送介质为空气及其它不自燃、 自爆、对人体无害、对钢铁材料无腐蚀性的气体。91 9A／D and 9-26A／D type series centrifugal fans are energysaving fan products promoted by the National Economic Council and National Electromechanical Department，suitable for industries of common forging，glass，ceramics，radio，electroplating，accumulator,etc．，used for highpressure forced ventilation，also applicable for machining trades such as food products，forage plants，mineral powder，plastics and so on，used for material handling：conveyance medium is air or other gas that would not spOntaneOusly combust or explode and should be harmless to human body and free frOm corrosion to steel materials主要特点 Strncture（）No_46．3主要由叶轮、机壳、进风口、支架等组成；N07．116主要由叶轮、机壳、进风口、传动组等组成。叶轮：919型风机叶片为12片，926型风机叶片为16片。均属前向弯曲叶型。叶轮扩压器外缘最高圆周速度不超过140m／s。叶轮成型后经静、动平衡校正，故运转平稳。机壳：用普通钢板焊接成蜗型壳整体。进风口：做成收敛式流线型的整体结构，用螺栓固定在前盖板组成。传动组：由主轴、轴承箱、联轴器等组成。主轴由优质钢制成，轴承箱整体结构，采用滚动轴承，用轴承润滑脂润滑。Fan of N_046 3 is mainly consists of impeller,enclosure，air inlet，suppod，etc．；fan of N_07 116 is mainly consists of impeller，enclosure，air inlet，driving unit，etc．．Impeller：fan Of 91 9 type has 1 2 impellers．9-26 type has 1 6 impellers．all are forward direction bending types Outer edge of impeller diffuser not over 1 40m／s．The impellers have accepted static and dynamic balance calibration，SO they are able to run smoothly and stably．Enclosure：it is made of general steel sheets by welding，it is a scroll casing．Air inlet：it is made into an integral structure with convergence streamline，it is fixed by bolt on the front plateDriving unit：it is consists of principal shaft，bearing housing，coupling，etc．．The principal shaft is made of highquality steel，bearing housing has integral structure，adopting rolling bearing and bearing grease for lubrication．规格及主要技术参数 Main Technical Parameter（）