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大小:1.78 MB
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时间:2020-04-11
《不同墙体日光温室保温性能研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、山东农业科学2014,46(3):25~27ShandongAgriculturalSciences不同墙体日光温室保温性能研究1111123樊平声,冯伟民,卢昱宇,陈罡,管安琴,苗彩霞,陈兆翔(1.江苏省农业科学院蔬菜研究所,江苏南京210014;2.江苏省睢宁县农业委员会,江苏睢宁221200;3.江苏省赣榆县沙河镇农业技术服务中心,江苏赣榆222123)摘要:为了确定合理的日光温室后墙材料与结构,2012年分别在睢宁、赣榆建造了不同墙体(普通空心砖墙、复合异质墙体、夹芯板墙体)构型的日光温室,并研究了不同墙体日光温室的增温、保温性能。结果表明:普通空心砖墙蓄热能力强,夜间保温
2、效果好,但白天增温慢;夹芯板墙体热阻值大,白天升温较快,利于提高温室的最高温度,但夜间放热能力较弱,不利于夜间保温;复合异质墙体具有较好的热阻和蓄热能力,增温、保温性最佳。为使日光温室冬季获得较好增温保温效果,从节约成本方面考虑,建议选择1cm内粉+24cm空心砖+24cm空心砖+10cm聚苯乙烯泡沫塑料板+1cm外粉为墙体的温室。关键词:日光温室;温室墙体;保温性;墙体厚度;墙体材料中图分类号:TU261文献标识号:A文章编号:1001-4942(2014)03-0025-03EffectsofDifferentWallsonThermalInsulationProperties
3、ofSolarGreenhouse1111123FanPingsheng,FengWeimin,LuYuyu,ChenGang,GuanAnqin,MiaoCaixia,ChenZhaoxiang(1.InstituteofVegetables,JiangsuAcademyofAgriculturalSciences,Nanjing210014,China;2.SuiningCountyAgricultureCommitteeofJiangsuProvince,Suining221200,China;3.ShaheTownAgriculturalTechnologyServiceC
4、enterofGanyuCounty,JangsuProvince,Ganyu222123,China)AbstractInordertochoosereasonablematerialandstructureforthebackwallofsolargreenhouse,differentwalls,suchasnormalhollowbrickwall,complexheterogeneouswall,andblockboardwall,wereusedtoconstructsolargreenhouseinSuiningandGanyuCountyin2012.Andthe
5、irwarmingandthermalinsulationpropertieswerestudied.Theresultsshowedthatthenormalhollowbrickwallhadstrongheatstoragecapacity,whichexistedgoodthermalinsulationeffectduringthenight,butitwarmedupslowlyduringtheday.Theblockboardwallhadbiggerthermalresistancevalueandwarmedupquicklyduringtheday,which
6、couldboostthehighesttemperatureinsolargreenhouse,butithadlowexothermalcapacity,whichexistedpoorthermalinsulationeffectduringthenight.Thecomplexheterogeneouswallhadgoodthermalresistanceandheatstoragecapacities,whichhadthebestwarmingandthermalinsulationproperty.Inordertoobtainbetterwarmingandth
7、ermalinsulationeffectsinwinterandsavecost,thewallwith1cminnercalcimine,24cmhollowbrick,24cmhollowbrick,10cmprotectionlayerwhichwasmadeofpolystyrenefoamboardand1cmoutercalciminewasthebestchoice.KeywordsSolargreenhouse;Wallofgreenhouse;Th
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