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溴化锂水溶液性质




(1)无色液体,有咸味,无毒,加入铬酸锂后溶液呈淡黄色。

(2)XIUHUALIZAISHUIZHONGDERONGJIEDUSUIWENDUDEJIANGDIERJIANGDI。RUTU1SUOSHI。TUZHONGDEQUXIANWEIJIEJINGXIAN,QUXIANSHANGDEDIANBIAOSHIRONGYECHUYUBAOHEZHUANGTAI,TADEZUOSHANGFANGBIAOSHIYOUGUTIXIUHUALIJIEJINGXICHU,YOUXIAFANGBIAOSHIRONGYEZHONGMEIYOUJIEJINGCUNZAI。SUOWEIRONGJIEDUSHIZHIBAOHEYETIZHONGSUOHANXIUHUALIWUSHUIHUAHEWUDEZHILIANGCHENGFEN,YEJIUSHIXIUHUALISHUIRONGYEDEZHILIANGNONGDU。YOUTUZHONGQUXIANKEZHI,XIUHUALIDEZHILIANGNONGDUBUYICHAOGUO66%,FOUZEZAIYUNXINGZHONGDANGRONGYEWENDUJIANGDISHIJIANGYOUJIEJINGXICHU,POHUAIZHILENGJIDEZHENGCHANGYUNXING。


(3)SHUIZHENGQIFENYALIHENDI,TABITONGWENDUXIACHUNSHUIDEBAOHEZHENGQIYALIDIDEDUO,YINERYOUQIANGLIEDEXISHIXING。YETIYUZHENGQIZHIJIANDEPINGHENGSHUYUDONGPINGHENG,CISHIFENZICHUANGUOYETIBIAOMIANDAOZHENGQIZHONGQUDESULVDENGYUFENZICONGZHENGQIZHONGHUIDAOYETINEIDESULV。YINWEIXIUHUALIRONGYEZHONGXIUHUALIFENZIDUISHUIFENZIDEXIYINLIBISHUIFENZIZHIJIANDEXIYINLIQIANG,YEYINWEIZAIDANWEIYETIRONGJINEIXIUHUALIFENZIDECUNZAIERSHISHUIFENZIDESHUMUJIANSHAO,SUOYIZAIXIANGTONGWENDUDETIAOJIANXIA,YEMIANSHANGDANWEIZHENGQIRONGJINEISHUIFENZIDESHUMUBICHUNSHUIBIAOMIANSHANGSHUIFENZISHUMUSHAO。YOUYUXIUHUALIDEFEIDIANHENGAO,ZAISUOCAIYONGDEWENDUFANWEINEIBUHUIHUIFA,YINCIHERONGYECHUYUPINGHENGZHUANGTAIDEZHENGQIDEZONGYALIJIUDENGYUSHUIZHENGQIDEYALI,CONGERKEZHIWENDUXIANGDENGSHI,XIUHUALIRONGYEMIANSHANGDESHUIZHENGQIFENYALIXIAOYUCHUNSHUIDEBAOHEZHENGQIYALI,QIENONGDUYUGAOHUOWENDUYUDISHISHUIZHENGQIDEFENYALIYUDI。TU2BIAOSHIXIUHUALIRONGYEDEWENDU、NONGDUYUYALIZHIJIANDEGUANXI。YOUTUKEZHI,DANGNONGDUWEI50%、WENDUWEI25℃SHI,BAOHEZHENGQIYALI0.85kPa,ERSHUIZAITONGYANGWENDUXIADEBAOHEZHENGQIYALIWEI3.167kPa。RUGUOSHUIDEBAOHEZHENGYALIDAYU0.85kPa,LIRUYALIWEI1kPa(XIANGDANGYUBAOHEWENDUWEI7℃)SHI,SHANGSHUXIUHUALIRONGYEJIUJUYOUXISHOUTADENENGLI,YEJIUSHISHUOXIUHUALISHUIRONGYEJUYOUXISHOUWENDUBITADIDESHUIZHENGQIDENENGLI,ZHEIYIDIANZHENGSHIXIUHUALIXISHOUSHIZHILENGJIDEJILIZHIYI。TONGLI,RUGUOYALIXIANGTONG,RONGYEDEBAOHEWENDUYIDINGDAYUSHUIDEBAOHEWENDU,YOURONGYEZHONGCHANSHENGDESHUIZHENGQIZONGSHICHUYUGUOREZHUANGTAIDE。


(4)密度比水大,并随溶液的浓度和温度而变。
(5)比热容较小。当温度为150℃、浓度为55%时,其比热容约为2kJ/(kg·K),这意味着发生过程中加给溶液的热量比较少,再加上水的蒸发潜热比较大这一特点,将使机组具有较高的热力系数。
(6)粘度较大。
(7)表面张力较大。
(8) 溴化锂水溶液的导热系数随浓度之增大而降低,随温度的升高而增大。

(9)DUIHEISEJINSHUHEZITONGDENGCAILIAOYOUQIANGLIEDEFUSHIXING,YOUKONGQICUNZAISHIGENGWEIYANZHONG,YINFUSHIERCHANSHENGDEBUNINGXINGQITIDUIZHUANGZHIDEZHILENGLIANGYINGXIANGHENDA。


以溴化锂水溶液为工作时的吸收式制冷系统主要缺点是:热效率低,冷却水消耗量大,设备的密封性要求较高,有一定的腐蚀性。但由于可以直接利用低参数的热源作动力,是利用太阳能低品位热源的理想的制冷装置;整个机组除功率较小的屏蔽泵外,无其它运动部件,运转安静,运行时基本上没有噪音和振动;以溴化锂~水作为工质对,无毒,无臭,有利于满足环保要求;制冷机在真空状态下进行,无高压爆炸危险;制冷量调节范围广,在 20% ~ 100% 的负荷内可进行制冷量的无级调节;对外界条件变化的适应性强,可在加热蒸汽的压力 0.2 ~ 0.8 MPa ( 表压力 ) 、冷却水温度 20 ~ 35 ℃ 、冷媒水出水温度 5 ~ 15 ℃ 的范围内稳定运转;机组结构简单,对安装基础的要求低,无需特殊的机座;体积小,用地省,制造管理容易,维护费用亦较低廉;运转十分安全。
溴化锂溶液为工质,制取低温冷媒水,用作空调系统和工艺流程中的冷源,可广泛应用手于轻纺、化工、电子、食品等工矿企业,也可应用 于宾馆、剧院、医院、大楼等场合。



 
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