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　　分(fen)(fen)、集(ji)水(shui)器(qi)是(shi)由(you)分(fen)(fen)水(shui)器(qi)和集(ji)水(shui)器(qi)組(zu)合而成的(de)(de)水(shui)流(liu)量分(fen)(fen)配(pei)和匯集(ji)裝置。通(tong)常在(zai)(zai)地(di)面(mian)(mian)供(gong)(gong)(gong)暖(nuan)(nuan)區(qu)(qu)域(yu)中(zhong)，需要(yao)(yao)(yao)將(jiang)大面(mian)(mian)積細分(fen)(fen)成小區(qu)(qu)塊控制(zhi)，或是(shi)一(yi)套住宅中(zhong)，有(you)多個(ge)(ge)功能房(fang)(fang)間(jian)，需要(yao)(yao)(yao)分(fen)(fen)別控制(zhi)。同時(shi)，地(di)暖(nuan)(nuan)系統(tong)受(shou)水(shui)力特征(zheng)影響，地(di)暖(nuan)(nuan)盤(pan)管限制(zhi)在(zai)(zai)一(yi)定(ding)的(de)(de)長度內。這(zhe)就需要(yao)(yao)(yao)將(jiang)同一(yi)地(di)面(mian)(mian)供(gong)(gong)(gong)暖(nuan)(nuan)區(qu)(qu)域(yu)或同一(yi)套住宅的(de)(de)各(ge)供(gong)(gong)(gong)暖(nuan)(nuan)房(fang)(fang)間(jian)分(fen)(fen)成多個(ge)(ge)環(huan)路，而每個(ge)(ge)環(huan)路又分(fen)(fen)別需要(yao)(yao)(yao)進行關(guan)斷或流(liu)量調(diao)節。分(fen)(fen)、集(ji)水(shui)器(qi)在(zai)(zai)低溫熱水(shui)地(di)面(mian)(mian)輻射供(gong)(gong)(gong)暖(nuan)(nuan)系統(tong)中(zhong)就起著這(zhe)樣的(de)(de)作(zuo)用。它一(yi)方面(mian)(mian)將(jiang)供(gong)(gong)(gong)暖(nuan)(nuan)主干管的(de)(de)水(shui)按建筑供(gong)(gong)(gong)暖(nuan)(nuan)需要(yao)(yao)(yao)進行流(liu)量分(fen)(fen)配(pei)，保證各(ge)區(qu)(qu)域(yu)分(fen)(fen)支(zhi)環(huan)路的(de)(de)流(liu)量滿足供(gong)(gong)(gong)暖(nuan)(nuan)負荷需要(yao)(yao)(yao)。同時(shi)，還要(yao)(yao)(yao)將(jiang)各(ge)分(fen)(fen)支(zhi)回路的(de)(de)水(shui)流(liu)匯集(ji)，并(bing)輸入供(gong)(gong)(gong)暖(nuan)(nuan)回水(shui)主干管中(zhong)，實現循(xun)環(huan)運行。另一(yi)方面(mian)(mian)，由(you)于建筑各(ge)功能區(qu)(qu)域(yu)（房(fang)(fang)間(jian)）需要(yao)(yao)(yao)按需供(gong)(gong)(gong)熱。為便于調(diao)節控制(zhi)，分(fen)(fen)水(shui)器(qi)和集(ji)水(shui)器(qi)各(ge)分(fen)(fen)支(zhi)環(huan)路配(pei)置了閥(fa)門(men)，閥(fa)門(men)承擔流(liu)量分(fen)(fen)配(pei)和調(diao)節任務。地(di)暖(nuan)(nuan)結構系統(tong)為暗埋(mai)式(shi)供(gong)(gong)(gong)暖(nuan)(nuan)末端，其大部分(fen)(fen)結構都埋(mai)在(zai)(zai)混凝土(tu)結構層里，只有(you)分(fen)(fen)集(ji)水(shui)器(qi)露出(chu)在(zai)(zai)外面(mian)(mian)。作(zuo)為地(di)暖(nuan)(nuan)控制(zhi)的(de)(de)關(guan)鍵部件(jian)，其作(zuo)用是(shi)十分(fen)(fen)重要(yao)(yao)(yao)的(de)(de)。