螺旋输送机计算书(手册)

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1、螺旋输送机计算书（查手册）螺旋输送机的生产率（t/h）的计算公式为：Q=4.7×10-3×Ψ×βO×k2×g×ρ×n×D3式中Q-输送机的生产率（t/h）；Ψ—料槽的填充系数，由表10-30选取；βO—倾斜向上输送时对输送量的影响系数，由经验公式βO=1-0.02β求得，其中β为输送机对水平的倾斜角，一般β≤20º；k2—螺旋螺距与直径之比例系数，对于倾斜布置的输送机，输送磨磋性的物料时，取k2=0.8，反之，取k2=1；ρ—被输送物料的堆积密度（kg/m3）;n—螺旋转速（r/min）；g—重力加速度，g=9.8m/s2；D—螺旋直径（m）。螺旋最大许用

2、转速经验公式：nman=A/D1/2式中D-螺旋直径（m）；A-经验系数，由表10-31查得。附一：表10-30各种物料的堆积密度ρ、阻力系数λ、填充系数ψ：物料名称ρ(t/m3)λψ块矾0.881.900.45硫酸铝0.831.400.45小苏打（碳酸氢钠）0.770.800.45小麦0.670.700.45铝土矿粉(干燥)1.002.400.45蓖麻豆(整粒带壳)0.580.700.45硼砂(细粒)0.800.900.45咖啡(烤豆)0.400.500.45玉米0.720.500.45棉籽(干燥，除尘的)0.500.800.45漂白土(烧过)0.642

3、.700.45碎石灰石0.882.700.45奶粉0.530.700.45高梁(谷)0.690.500.45高梁粉0.540.700.45燕麦0.420.500.45磷酸肥0.961.900.45米(去糠)0.480.500.45稻谷0.750.500.45皂粉0.371.200.45淀粉0.611.400.45向日葵籽0.460.700.45尿素(小颗粒)0.721.600.45黑麦0.750.500.45小麦(芽)0.370.500.45豌豆0.770.700.45无烟煤(粒度小于12mm)0.881.400.45石墨片0.640.700.45细矾0.

4、770.810.33硼矾0.271.900.33氢氧化铝0.861.800.33硝酸铵0.831.400.33大麦粉0.450.500.33大麦芽0.500.500.33骨灰0.722.200.33骨粉0.882.300.33糠、麸0.290.700.33咖啡(速溶)0.300.500.33电石1.282.700.33磷酸钙0.722.200.33苛性苏打1.412.400.33苛性苏打片0.752.000.33无烟煤(洗过的碎煤)0.961.400.33烟煤0.751.200.33褐煤0.661.400.33细粉软木0.160.700.33颗粒软木0.2

5、20.700.33玉米粉0.500.700.33棉籽饼(粉碎的)0.671.400.33棉籽(干燥，未除尘)0.351.200.33鱼粉0.611.400.33面粉0.590.800.33石墨粉0.450.700.33石膏粉(焙烧过)1.122.700.33红铅(细粉)1.441.600.33生石灰粉1.010.800.33熟石灰粉0.580.800.33燕麦粉0.560.700.33花生仁0.640.500.33聚苯乙烯(粒)0.640.500.33聚苯乙烯(粉)0.401.400.33土豆粉0.770.700.33糙米0.540.800.33松香(粒度

6、小于12mm)1.002.000.33橡胶(粒)0.852.000.33皂片0.320.800.33皂粒0.400.800.33磷酸钠0.881.200.33大豆饼0.671.400.33大豆粉0.461.100.33糖(粉)0.881.100.33精制糖(干粒)0.851.500.33精制糖(湿粒)0.962.300.33烟草(碎屑)0.321.100.33木屑粉0.420.500.33氧化锌(重)0.531.400.33氧化锌(轻)0.211.400.33水泥1.131.900.33充气水泥1.001.900.33煤渣0.642.400.33冰晶石(粉

7、末)1.332.700.33硅藻土0.222.200.33烟道灰0.854.700.33飞灰0.612.700.33煤灰0.612.700.33氧化铁(颜料)0.401.400.33石灰石粉1.202.400.33云母(粉)0.221.400.33花生(有壳，未清洁)0.290.900.33磷酸钾0.821.400.33硝酸钾(粒度小于12mm)1.221.600.33粗盐0.851.400.33细盐1.202.300.33芝麻0.540.800.33大豆(整粒)0.771.400.33滑石粉0.881.100.33散煤(干、粒度小于12mm)0.644.

8、100.33散煤(干、粒度小于75mm)0.613.400.33散