
冷库铝排管
LENGKULVPAIGUANKEYIANZHAOJIANZHUMIANJILAIPEI,1.1-1.2DEBILIJIUKE。
LVPAIYIBANLIFANGSHUx4~5,XIAODEx6。
LENGKUDEPAIGUANJISUAN:
XIANSUANCHULENGFUHE,GENJULENGFUHEJISUANSHIYONGGANGPAI、LVPAIDEHUANREMIANJI。
YIPIANGUANYUKONGQIDEHUANRELIKZHIYUEWEI8-10w/m2℃YEKECAIYONGJIANBIANFANGFAJISUAN,DANGLENGZANGKUKUWENSHEDINGZAI-18℃SHI,KEANBANFENGBIYASUOJIDEPAIQILIANGCHENGYIXISHU2DESHUJIWEIYINGPEILVPAIDEZHENGFAMIANJIPINGFANGMISHU,
RU5PIZHONGDIWENYASUOJIPAIQILIANGWEI18m3/h×2=36m2 CIZHONGPEIBISHI,ZHENGFAWENDUYUKUNEIWENDUCHAYUEWEI10℃,JIENENGXIAOLVBIJIAOLIXIANG。ZHENGFAMIANJIYUXIAOSHIWENCHAHUIZENGJIA,YASUOJIDEZHILENGLIANGJIANXIAO,HAODIANLIANGZENGJIA。
LENGKULVPAIGUANZHILENGLIANG,KZHI≈10W/(m2·℃) [PINGJUNZHI] ,GENJULENGKUGUIFAN,Q=K·A·Δt,SHIJIPEIBIGUOCHENGZHONGYINGYONGDEWENCHAΔt=10℃。KAOLVDAOLENGKUJIESHUANGWENTI,WEILEZUZHIJIESHUANGHOUZHILENGLIANGBUZU,TONGCHANGCAIYONG90W/m2XIAXIANLAIJISUANLENGKULVPAIQIGUAN,WUJIESHUANGDEGAOWENKUKEAN140 W/m2SHANGXIANJISUAN。
LENGKULVPAIGUANSHIGESHIPINLENGZANGKUDEZHENGFAQI,ZHUYAOYONGYU10ZHI-45℃DEZHILENGXITONG,LVGUANJINCHUKOUBUFENCAIYONGGAOPINDIANZUHAN,LVGUANHOUDUWEI2mm,WUTUOLUO,NAIYA4.5Mpa。