摘要
采用Godbert-Greenwald (G-G)恒温炉装置,运用交互正交实验方法,研究了粉尘质量浓度、分散压力、CaCO_3质量分数及其交互作用对玉米淀粉粉尘云最低着火温度(minimum ignition temperature of dust cloud,MITC)的影响规律。通过直观分析法和方差分析法考察了各因素及其交互作用对玉米淀粉粉尘云最低着火温度影响,2种分析方法得出的结论一致。结果表明:CaCO_3质量分数和粉尘质量浓度对玉米淀粉粉尘云最低着火温度影响高度显著;分散压力与粉尘质量浓度对玉米淀粉粉尘云最低着火温度的影响存在交互作用,分散压力与粉尘质量浓度的交互作用对玉米淀粉粉尘云最低着火温度的影响显著。
In order to evaluate the explosion sensitivity of corn starch dust cloud accurately, to carry out the dust explosion-proof work effectively,and to ensure safe production of grain industry, a series of experiments were performed by using a standard Godbert-Greenwald constant temperature oven device to explore the influence laws of the following factors on the minimum ignition temperature of corn starch dust cloud. These influencing factors include dust concentration, diffusing pressure, the mass fraction of CaCO3, and their interactions. The sensitivities of the minimum ignition temperature of corn starch dust cloud to these influencing factors were investigated on the basis of the interactive orthogonal design method. And the results are close through both the range analysis and the analysis of variance. The mass fraction of CaCO3 and the dust concentration have highly significant effects on the minimum ignition temperature of maize starch cloud. The interaction between the spraying pressure and the dust concentration has significant effects on the minimum ignition temperature of maize starch cloud.
作者
王庆慧
袁帅
卫园梦
王丹枫
WANG Qinghui;YUAN Shuai;WEI Yuanmeng;WANG Danfeng(College of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, Heilongjiang, China;No.3 Oil Production Plant, Daqing Oilfield Limited Company, Daqing 163113, Heilongjiang, China)
出处
《爆炸与冲击》
EI
CAS
CSCD
北大核心
2019年第5期144-150,共7页
Explosion and Shock Waves
关键词
粉尘云最低着火温度
粉尘质量浓度
分散压力
惰性介质
交互正交实验
直观分析
方差分析
minimum ignition temperature of dust cloud
dust concentration
diffusing pressure
inert media
interactive orthogonal experiment
range analysis
analysis of variance
