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供暖及空调水系统的定压有哪些方式?
发布时2015-03-11 12:5125

澳门足彩 GONGNUANJIKONGDIAODENGBISHIXUNHUANSHUIXITONGDEDINGYA,QISHIYINGBAOHANDINGYA、BUSHUIHEXISHOUPENGZHANG(HUOYASUO)SHUILIANGDEGONGNENG,SUOYIYICHENGZHIWEIDINGYABUSHUI。DINGYA,SHIWEILEBAOZHENGBISHIXUNHUANSHUIXITONGDEZUIGAODIAN,ZAIXUNHUANSHUIBENGQITINGSHIDOUNENGCHONGMANSHUI,DUIYUGAOWENSHUIXITONG,HAIYAOBAOZHENGZUIGAODIANBUFASHENGQIHUADEYALI;BUSHUI,SHIWEILEMIBUXITONGDEXIELUHEZHENGCHANGDEPAIWUSUNSHIDESHUILIANG;ERYOUYUXUNHUANSHUIXITONGZHONGSHUIWENDEBIANHUA,TIJIHUIPENGZHANGHUOSHOUSUO,XUYAOJIAYIXIAOHUARONGNA。

 

GONGNUANJIKONGDIAOSHUIXITONGDEDINGYABUSHUIFANGSHIDAZHIYOU:GAOWEIPENGZHANGFASHUIXIANGJIADINGPINBUSHUIBENG、MIBISHIBUSHUIZHUANGZHI(GEZHONGXINGSHIDEQIYAGUANJIADINGEBUSHUIBENG)、BIANPINBUSHUIBENGJIACHAOYAXIESHUI、DINGEBUSHUIBENGJIACHAOYAXIESHUIDENG。

 

澳门足彩 GAOWEIPENGZHANGSHUIXIANGJIADINGPINBUSHUIBENGDEYOUDIANDAZHIYOU:YOUXIAOPENGZHANGRONGJIYOUTIAOJIANZUODEJIAODA,XITONGDEYALIXIANGDUIBIJIAOWENDING,JIANSHEFEIYONGXIANGDUIBIJIAOJINGJIDENG。QIJUXIANXINGSHIXUYAOSHEZHIYUJIANZHUDEZUIGAOCHU,QUYUXINGGONGNUANHUOGONGLENGXITONGXUYAOSHEZHIYUQUYUNEIZUIGAOJIANZHUDEZUIGAOCHU,YOUXIEJIANZHUQUEFASHEZHITIAOJIAN,YANHANDIQUXUYAOCAIQUKEKAODEFANGDONGCUOSHI,QUYUXINGXITONGKENENGXUYAOSHEZHIJIAOZHANGDEPENGZHANG、XUNHUAN、XINHAOHEBUSHUIGUANDAODENG。

 

密闭定压补水装置澳门足彩,即各种形式的气压罐加定频补水泵,近年来在许多供暖及空调等闭式循环水系统中被采用。虽然也可以达到定压、补水和吸收膨胀(或收缩)水量的功能,但是由于各种形式气压罐的有效调节容积是其中的气体容积变化量,即遵循在相同温度条件下压力与体积的乘积为常数的理想气体方程。在压力较高的系统中有效调节容积会变小,而且必然要有压力上限和压力下限,下限就是系统的允许最低压力,上限则由为达到有效调节容积补水泵的必要运行区间决定,欲得到较大的有效调节容积,需要设置较高的压力上限值,使系统压力升高。例如,北京市建筑设计研究院《建筑设备专业技术措施》规定,下限和上限绝对压力比一般宜取0.65~0.85,如取中间值0.75,当下限绝对压力为0.6 MPa,上限绝对压力则为0.798 MPa,使系统压力升高了0.198 MPa,即使绝对压力比取0.85,系统压力也将升高0.1 MPa。

 

BIANPINBUSHUIBENGJIACHAOYAXIESHUI,SHIBIANPINSHUIBENGZAIGONGNUANJIKONGDIAOSHUIXITONGDEDINGYABUSHUIZHONGDEYINGYONG。GENJUXITONGYALIDEBIANHUA,SHUIBENGBIANPINYUNXINGGAIBIANBUSHUILIANG,ERDANGSHUIWENSHENGGAOTIJIPENGZHANGSHI,DUOYUDESHUILIANGCHAOYAXIESHUIZHIBUSHUIXIANG。

 

澳门足彩 DINGPINBUSHUIBENGJIACHAOYAXIESHUI,ZESHIGENJUXITONGYALIDEBIANHUA,QIDONGHUOTINGZHIBUSHUIBENG,DANGSHUIWENSHENGGAOTIJIPENGZHANGSHI,DUOYUDESHUILIANGCHAOYAXIESHUIZHIBUSHUIXIANG。

 

XIANRAN,GAOWEIPENGZHANGSHUIXIANGJIADINGPINBUSHUIBENGDEZONGHEYOUDIANSHISHIFENMINGXIANDE,YINCI,GB 50019—2013《CAINUANTONGFENGYUKONGQIDIAOJIESHEJIGUIFAN》DI6.4.13TIAOGUIDING,“YICAIYONGGAOWEIPENGZHANGSHUIXIANGDINGYA”,ERTIAOWENSHUOMINGGENGQIANGDIAO“TUIJIANYOUXIANCAIYONG”。

 


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