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1、课程设计说明书设计题目:茶叶的包装设计设计者:杨兆龙专业班级:06包装工程2班指导老师:韩炬起止日期:2009-12-26~2010-1-2air,keephouseairfresh,cooling,moisture,reducethebodytemperatureofthechicken,whichisameasureofthechickenhousethefirstelementoftheenvironment.(1)theparameters:ventilationinsummerpeakdemandcalculat
2、ions,4~5cubicmetresperkilogramofbodyweightperhour,harmfulgasconcentrationdoesnotexceed20ppmammonia,hydrogensulfide,l0ppm,co0.15%.(2)ventilationnaturalventilationandmechanical...5.thermalinsulationroofcoldseasonistheregionofgreatestheatloss,arealsohottowelsunlightt
3、hananyotherregion,sotheroofinsulationisthemostimportantregion,followedbythewalls,ifopenshedstomakedoorsandWindowsswitchesfreely,andsealwell.Onmostofthewallsandroofinsulationmustbetakenorequivalentdevices,thermalinsulationmaterialsrequirehigherthermalresistance,goo
4、dthermalinsulationproperties,andthickentheNorthwallmustalsobetakenofthicknessandmeasuressuchasroofandceilingcanopy.Inplaceswithmorerain,duetheeavesofroofsonbothsidesextendingoutward.Pheasants(pheasants)farmbuilding(a)sitechoosepheasantfieldsshouldbeselectedgaozaot
5、errain,sandtexture,welldrained,slightlytotheSouthofterrain.Mountainareasshouldbeselectedunderthesunny,spacious,ventilation,sunshine,wherethedrainageisgood.Pheasantfarmsshouldbebuiltinaquiet,safeplace,awayfromresidentialareas,factories,themaintrafficartery,buttakin
6、gintoaccountfeed,transportationproblems.Acleanwatersource,waterisnotcontaminated.Tohaveareliablepowersupply,notonlytomaintainnormallighting,air,keephouseairfresh,cooling,moisture,reducethebodytemperatureofthechicken,whichisameasureofthechickenhousethefirstelemento
7、ftheenvironment.(1)theparameters:ventilationinsummerpeakdemandcalculations,4~5cubicmetresperkilogramofbodyweightperhour,harmfulgasconcentrationdoesnotexceed20ppmammonia,hydrogensulfide,l0ppm,co0.15%.(2)ventilationnaturalventilationandmechanical...5.thermalinsulati
8、onroofcoldseasonistheregionofgreatestheatloss,arealsohottowelsunlightthananyotherregion,sotheroofinsulationisthemostimportantregion,followedbythewalls,i
