四、装置和流程 流化床干燥实验装置如下图1-风机；2-湿球温度水桶；3-湿球温度计；4-干球温度计；5-空气加热器6-空气流量调节阀；7-放净口；8-取样口；9-不锈钢筒体；10-玻璃筒体；11-气固分离段； 12-加料口；13-旋风分离器；14-孔板流量计表 1 干燥实验相关数据记录表时间空球质湿空质干空质干球温湿球温床身温加热温床层压降孔板压降/min量/ g量/ g量/ g度/ C度/ C度/ C控/ C/ kPa/ kPa010.7516.6314.958.431.335650.453.6231217.8816.35731.141.9650.443612.0318.7317.1753.530.940.5650.452.4915.4321.5720.5750.130.746.2650.461.871213.0219.4718.4947.130.249.2650.451.391512.7519.9919.245.629.550.965.20.380.981810.9217.3516.6943.827.552.765.60.260.662113.2919.53194226.554.665.60.170.412411.4221.1520.6341.226.456.465.70.090.2327 10.36 16.31 16.07 39.9 26.8 58 65.7 0.03 0.12表 3 流化实验原始数据及处理表 2 干燥实验相关计算结果表时间/min含水量Xi平均含水量X干燥速率u / kg水-(m2 - s)-i00.41686730.3674420.3921546651.831E-0460.3035020.3354719032.368E-0490.1945530.2490272374.035E-04120.17 91590.1868557895.701E-05150.1224810.1508198352.099E-04180.1143850.1184326842.998E-05210.092820.1036021827.987E-05240.056460.0746399921.347E-0427 0.042032 0.049245946 5.344E-05时间/min床层压 降 / kPa孔板压 降 / kPa空气压 力 / kPa体积流量V / m3 - h-is气速u / m - s-ia i—c ca a i re00.453.622.80.0145781.857085304432.3~0.013172-1.67793362.41.9~0.011677~1.4874539A C—046—1.87A C C1.4A A~0.010205~1.299941120.451.391.1C ~70.0086941.107534150.380980.70.0071990.91704618C A026C A "7066r\ a a05c c~0.005815~a a c —r0.74076921C A0.170.410.30.0044970.572839240.090230.20.0032910.419239270.030.120.10.0023160.295044实验数据图物料含水量、物料温度与时间的关系*床层温度度温层床—1r*Lr*-————-—1■1-T-5250.450.40.350.30.250.10.05o o o o o o O7 6 5 4 3 2 10-2 / kg水• kg-i0.1510 15 20时间/min301 一 hZ % 速燥干干燥速率曲线物料含水量x/kg水/kg绝干物料流化曲线5 5・4 O -O4 5 33 -O - OO压层床5 2 5 1 0Z • .1 • -O - O o O0.2 0.4 0.6 0.8 1气速u/m/s1.2 1.4 1.6 1.8 2。