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棉花打包的包型和密度计算

发布日期: 2019-11-09

  我(wo)国(guo)棉(mian)(mian)(mian)花检验体制改革时,227±10 kg、1.4 m×0.53 m×0.7(+0.15)m的(de)(de)Ⅰ型棉(mian)(mian)(mian)包在棉(mian)(mian)(mian)花加工行业迅速推(tui)广,很快就在该行业全(quan)面普及(ji)。按(an)照棉(mian)(mian)(mian)包平均(jun)高度(du)0.78 m、平均(jun)重量227 kg计算(suan),我(wo)国(guo)的(de)(de)棉(mian)(mian)(mian)包成包密度(du)ρ=227(/ 1.4×0.53×0.78)=392.2(kg/m3)。同(tong)样是(shi)产棉(mian)(mian)(mian)大国(guo),我(wo)们的(de)(de)近邻乌兹(zi)别克(ke)斯坦(tan)目(mu)前仍然(ran)采用前苏联(lian)的(de)(de)棉(mian)(mian)(mian)花包装标准,其(qi)棉(mian)(mian)(mian)包包型尺寸:长0.96 m、宽0.59 m、平均(jun)包高0.81 m,棉(mian)(mian)(mian)包平均(jun)包重225 kg。

  根据计算(suan),乌兹别克斯(si)坦的(de)(de)(de)棉(mian)(mian)(mian)(mian)包(bao)(bao)(bao)(bao)成(cheng)(cheng)(cheng)包(bao)(bao)(bao)(bao)密度(du)ρ=490 kg/m3.比我(wo)国(guo)的(de)(de)(de)棉(mian)(mian)(mian)(mian)包(bao)(bao)(bao)(bao)增大(da)了约25%,其棉(mian)(mian)(mian)(mian)包(bao)(bao)(bao)(bao)为(wei)高(gao)(gao)密度(du)棉(mian)(mian)(mian)(mian)包(bao)(bao)(bao)(bao)。生(sheng)产高(gao)(gao)密度(du)棉(mian)(mian)(mian)(mian)包(bao)(bao)(bao)(bao),对于提(ti)高(gao)(gao)棉(mian)(mian)(mian)(mian)包(bao)(bao)(bao)(bao)运(yun)输(shu)装载(zai)率(lv)是(shi)(shi)非常有价值(zhi)的(de)(de)(de),如(ru)果我(wo)国(guo)棉(mian)(mian)(mian)(mian)包(bao)(bao)(bao)(bao)的(de)(de)(de)成(cheng)(cheng)(cheng)包(bao)(bao)(bao)(bao)密度(du)也为(wei)490 kg/m3.则一节60 t的(de)(de)(de)火车车皮从目前装载(zai)约43 t皮棉(mian)(mian)(mian)(mian)将提(ti)高(gao)(gao)到(dao)约52 t,节省的(de)(de)(de)棉(mian)(mian)(mian)(mian)花运(yun)输(shu)费用将是(shi)(shi)非常可(ke)观的(de)(de)(de)。生(sheng)产高(gao)(gao)密度(du)棉(mian)(mian)(mian)(mian)包(bao)(bao)(bao)(bao),必然要加(jia)大(da)棉(mian)(mian)(mian)(mian)花打包(bao)(bao)(bao)(bao)时(shi)的(de)(de)(de)压(ya)(ya)缩(suo)(suo)(suo)(suo)密度(du)。我(wo)国(guo)棉(mian)(mian)(mian)(mian)花加(jia)工厂使用的(de)(de)(de)MDY400型棉(mian)(mian)(mian)(mian)花打包(bao)(bao)(bao)(bao)机棉(mian)(mian)(mian)(mian)箱内(横截面)尺(chi)寸(cun)是(shi)(shi)1.36 m×0.5 m,打包(bao)(bao)(bao)(bao)时(shi)终成(cheng)(cheng)(cheng)包(bao)(bao)(bao)(bao)压(ya)(ya)缩(suo)(suo)(suo)(suo)高(gao)(gao)度(du)是(shi)(shi)0.5 m,则棉(mian)(mian)(mian)(mian)花成(cheng)(cheng)(cheng)包(bao)(bao)(bao)(bao)时(shi)的(de)(de)(de)压(ya)(ya)缩(suo)(suo)(suo)(suo)密度(du)ρ压(ya)(ya)缩(suo)(suo)(suo)(suo)=667 kg/m3;而乌兹别克斯(si)坦的(de)(de)(de)棉(mian)(mian)(mian)(mian)花打包(bao)(bao)(bao)(bao)机棉(mian)(mian)(mian)(mian)箱内(横截面)尺(chi)寸(cun)是(shi)(shi)0.94 m×0.575 m,打包(bao)(bao)(bao)(bao)时(shi)成(cheng)(cheng)(cheng)包(bao)(bao)(bao)(bao)压(ya)(ya)缩(suo)(suo)(suo)(suo)高(gao)(gao)度(du)是(shi)(shi)0.52 m,其棉(mian)(mian)(mian)(mian)花成(cheng)(cheng)(cheng)包(bao)(bao)(bao)(bao)时(shi)的(de)(de)(de)压(ya)(ya)缩(suo)(suo)(suo)(suo)密度(du)ρ压(ya)(ya) 缩(suo)(suo)(suo)(suo) =800 kg/m3.

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