一、日光溫室牆體的設計原則
1、熱工設計:牆體結構必須有一定的熱惰性,即白天為溫室的蓄熱體,夜間為放熱體。牆體應由吸熱、蓄熱能力強,而導熱能力差的材料組成。最好是內層采用蓄熱係數大、外層采用導熱率小的異質材料。
2、結構設計:lizubendishiji,shejifuhebaowenyaoqiudeqiangtijiegou。yaomanzujianzhujiegoushangdeqiangduyaoqiu,jinengjingshouzhuwailaihezishendehezai。yaomanzunaijiuxingdeyaoqiu,jizaizhengchangshiyongnianxianneibuhuiwanquansunhuai。qiangtidehoudubunengsuiyixuanqu,yaoyijuyouguanbiaozhunhuojingyanqueding。muqiannonghuzijiandewenshiqiangti,houduchabiehenda,pianbodebuliyubaowen,pianhoudebuliyujiangdijianzaochengben。
3、選材:建造日光溫室牆體的材料一般遵循就地取材,經濟實用,性能優良的原則進行選取。
二、日光溫室牆體的類型及性能
1、單質空心牆體。⑴夯實黏土牆體:這種牆體吸熱和蓄熱能力強,建造費用低,但導熱能力較大。⑵加草黏土牆體:這種牆體導熱能力差,建造費用低,吸熱和蓄熱能力較強。⑶普通磚砌牆體:這(zhe)種(zhong)牆(qiang)體(ti)導(dao)熱(re),吸(xi)熱(re)和(he)蓄(xu)熱(re)能(neng)力(li)介(jie)於(yu)前(qian)兩(liang)者(zhe)之(zhi)間(jian),但(dan)是(shi)建(jian)造(zao)費(fei)用(yong)高(gao)。生(sheng)產(chan)實(shi)踐(jian)證(zheng)明(ming),磚(zhuan)牆(qiang)的(de)保(bao)溫(wen)性(xing)能(neng)優(you)於(yu)加(jia)草(cao)黏(nian)土(tu)牆(qiang)體(ti)和(he)夯(hang)實(shi)黏(nian)土(tu)牆(qiang)體(ti)。
2、異質複合牆體:⑴內外層為磚砌體,中間隔層為空心。⑵內外層為磚砌體,中間有爐渣等夾層。我國“八五”期間推廣的日光溫室,多為內填爐渣,珍珠岩、岩棉等各種保溫材料。但是這幾種填充材料由於吸水性強,在遇到潮濕條件後牆體的保溫性能下降很快。⑶新型材料異質複合牆體,如聚苯板保溫牆體。有人提出在厚370haomidezhuanqiangshang,waitiejubenbaowenbanjuyoujiaohaodejingjixingnengherelixingneng。zaicijichushang,gaijindelvbojubenbanyeyoucaiyong。lvbojiegoudezhiliangjinweizhuanqiangjiegouzhiliangdewanfenzhiyi,paomosuliaojiegouzhiliangde8%,防潮性能好,能有效阻止水或汽通過,而其鋁箔結構的材料費僅為磚牆結構材料費的29%;lvbojuerecailiaokezhichenggezhongyuzhijian,shigongfangbian,shiyizhongzhidetuiguangdexinxingcailiao,kegongjinhouriguangwenshijianshehegaizaojiejian。lingwai,juyixifapaobancaideng,yezaiwenshiqiangtidejianzaozhongdedaoyingyong。
總zong的de來lai講jiang,夯hang實shi黏nian土tu牆qiang和he加jia草cao黏nian土tu牆qiang的de造zao價jia最zui低di,而er且qie建jian造zao工gong藝yi簡jian單dan,可ke就jiu地di取qu材cai,適shi合he應ying用yong於yu農nong戶hu自zi建jian的de溫wen室shi。但dan是shi使shi用yong年nian限xian短duan,保bao溫wen效xiao果guo較jiao差cha,需xu要yao經jing常chang維wei修xiu。建jian造zao過guo程cheng中zhong在zai牆qiang體ti外wai側ce,可ke結jie合he堆dui積ji秸jie稈gan、柴chai草cao,挖wa防fang寒han溝gou。磚zhuan砌qi夾jia心xin牆qiang的de造zao價jia相xiang對dui高gao一yi些xie,但dan是shi要yao注zhu意yi保bao溫wen材cai料liao的de防fang潮chao。采cai用yong聚ju苯ben板ban等deng新xin型xing材cai料liao異yi質zhi複fu合he牆qiang體ti,建jian造zao工gong藝yi不bu複fu雜za,材cai料liao容rong易yi取qu得de,同tong時shi也ye節jie約yue材cai料liao,更geng主zhu要yao的de是shi耐nai久jiu性xing能neng好hao,其qi缺que點dian是shi一yi次ci性xing投tou資zi較jiao大da,用yong這zhe種zhong牆qiang體ti建jian造zao的de溫wen室shi,造zao型xing美mei觀guan,經jing久jiu耐nai用yong,適shi合he規gui模mo較jiao大da的de設she施shi種zhong植zhi。
手機版




