浅圆仓仓壁空气间层隔热效果研究
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摘要
研究了浅圆仓两种仓墙结构(250 mm的混凝土滑膜;设置复合隔热层,内层为250 mm混凝土滑膜,中层为130 mm的空气隔层,外层为120 mm厚的环保砖砌块。)对储藏过程中粮温影响的差异。试验在每个浅圆仓内分6圈(距仓壁11 m、6.2 m、0.5 m、0.4 m、0.15 m、0.05 m)共设置35根电缆,每根电缆设7个测温点,每个测温点间距1.9 m。在气温明显上升的春夏(4-9月)季节期间,每天分别测定两个浅圆仓各电缆的粮温,在三年间重复。试验表明,外围增加120 mm环保砖砌块+130 mm空气隔热层对浅圆仓整体粮温的影响不大,两种仓墙结构粮堆内相同位置的粮温无显著性差异,仅距仓壁较近的局部粮温变化有微弱差别。
The influence of two structural of squat silo wall(250 mm concrete synovial silo wall, composite silo wall with insulation layer, 250 mm concrete synovial inner layer, air compartment with 130 mm in the middle layer, 120 mm thick environmental brick block outer layer) on grain temperature during storage were studied in this experiment.There were six cycles in each squat silo in the experiment(11 m,6.2 m,0.5 m,0.4 m,0.15 m, 0.05 m away from the wall).A total of 35 cables were set with 7 temperature measuring points for each cable,every temperature measuring points is 1.9 m apart. During the spring and summer(April-September) season when the temperature was obviously rising, the grain temperature of each cable in two squat silos was measured every day, which was repeated over three years.The experiment shows that the influence of air compartment with 130 mm in the middle layer and 120 mm thick environmental brick block outer layer on the whole grain temperature is not very seriously.There was no significant difference in grain temperature at the same locationof two structural of squat silo wall.It had small difference in the local grain temperature change near the wall.
The influence of two structural of squat silo wall(250 mm concrete synovial silo wall, composite silo wall with insulation layer, 250 mm concrete synovial inner layer, air compartment with 130 mm in the middle layer, 120 mm thick environmental brick block outer layer) on grain temperature during storage were studied in this experiment.There were six cycles in each squat silo in the experiment(11 m,6.2 m,0.5 m,0.4 m,0.15 m, 0.05 m away from the wall).A total of 35 cables were set with 7 temperature measuring points for each cable,every temperature measuring points is 1.9 m apart. During the spring and summer(April-September) season when the temperature was obviously rising, the grain temperature of each cable in two squat silos was measured every day, which was repeated over three years.The experiment shows that the influence of air compartment with 130 mm in the middle layer and 120 mm thick environmental brick block outer layer on the whole grain temperature is not very seriously.There was no significant difference in grain temperature at the same locationof two structural of squat silo wall.It had small difference in the local grain temperature change near the wall.
引文
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5 王薇.粮食仓房的保温隔热、气密性技术措施研究及应用[D].天津大学,2009
6 王薇.粮食平房仓隔热改造试验与分析[J].中国粮油学报,2007,22(4)
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8 孟永青,李玉杰,李士涛.高大平房仓仓体综合隔热改造技术与应用效果[J].粮油食品科技,2006(01):11～14
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10 熊鹤鸣,周长金,董建国,et al.几种粮仓隔热材料隔热效果比较[J].粮油仓储科技通讯,2004(4):35～37
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