正(Zheng)常(Chang)工(Gong)作(Zuo)时(Shi),(?)需(Xu)过(Guo)滤(Lu)的(De)水(Shui)通(Tong)过(Guo)进(Jin)水(Shui)口(Kou)达(Da)到(Dao)介(Jie)质(Zhi)层(Ceng),(?)这(Zhe)时(Shi)大(Da)部(Bu)分(Fen)污(Wu)染(Ran)物(Wu)被(Bei)截(Jie)留(Liu)在(Zai)介(Jie)质(Zhi)上(Shang) 表(Biao)面(Mian),(?)细(Xi)小(Xiao)的(De)污(Wu)物(Wu)及(Ji)其(Qi)他(Ta)浮(Fu)动(Dong)的(De)有(You)机(Ji)物(Wu)被(Bei)截(Jie)留(Liu)在(Zai)介(Jie)质(Zhi)层(Ceng)内(Nei)部(Bu),(?)以(Yi)保(Bao)证(Zheng)生(Sheng)产(Chan)系(Xi)统(Tong)不(Bu)受(Shou)污(Wu)染(Ran)物(Wu)的(De)干(Gan)扰(Rao),(?)能(Neng)良(Liang)好(Hao)的(De)工(Gong)作(Zuo)。(?)运(Yun)行(Xing)后(Hou),(?)当(Dang)水(Shui)中(Zhong)杂(Za)质(Zhi)和(He)各(Ge)种(Zhong)悬(Xuan)浮(Fu)物(Wu)达(Da)到(Dao)一(Yi)定(Ding)量(Liang)的(De)时(Shi)候(Hou),(?)该(Gai)过(Guo)滤(Lu)系(Xi)统(Tong)能(Neng)通(Tong)过(Guo)压(Ya)差(Cha)控(Kong)制(Zhi)装(Zhuang)置(Zhi)实(Shi)时(Shi)检(Jian)测(Ce)进(Jin)出(Chu)口(Kou)压(Ya)差(Cha),(?)当(Dang)压(Ya)差(Cha)达(Da)到(Dao)设(She)定(Ding)值(Zhi)的(De)时(Shi),(?)电(Dian)控(Kong)PLC会(Hui)给(Gei)控(Kong)制(Zhi)系(Xi)统(Tong)中(Zhong)的(De)三(San)通(Tong)水(Shui)力(Li)控(Kong)制(Zhi)阀(Fa)发(Fa)送(Song)信(Xin)号(Hao),(?)三(San)通(Tong)水(Shui)力(Li)控(Kong)制(Zhi)阀(Fa)会(Hui)通(Tong)过(Guo)水(Shui)路(Lu)自(Zi)动(Dong)控(Kong)制(Zhi)其(Qi)对(Dui)应(Ying)过(Guo)滤(Lu)单(Dan)元(Yuan)的(De)三(San)通(Tong)阀(Fa)门(Men),(?)让(Rang)其(Qi)关(Guan)闭(Bi)进(Jin)口(Kou)通(Tong)道(Dao)同(Tong)时(Shi)打(Da)开(Kai)排(Pai)污(Wu)通(Tong)道(Dao),(?)这(Zhe)时(Shi)由(You)于(Yu)排(Pai)污(Wu)通(Tong)道(Dao)压(Ya)力(Li)较(Jiao)小(Xiao),(?)其(Qi)他(Ta)过(Guo)滤(Lu)单(Dan)元(Yuan)的(De)水(Shui)会(Hui)在(Zai)水(Shui)的(De)压(Ya)力(Li)作(Zuo)用(Yong)下(Xia)由(You)通(Tong)过(Guo)该(Gai)过(Guo)滤(Lu)单(Dan)元(Yuan)的(De)出(Chu)水(Shui)口(Kou)进(Jin)入(Ru),(?)并(Bing)持(Chi)续(Xu)冲(Chong)刷(Shua)该(Gai)过(Guo)滤(Lu)单(Dan)元(Yuan)的(De)介(Jie)质(Zhi)层(Ceng),(?)从(Cong)而(?)达(Da)到(Dao)清(Qing)洗(Xi)介(Jie)质(Zhi)的(De)效(Xiao)果(Guo),(?)冲(Chong)洗(Xi)后(Hou)的(De)污(Wu)水(Shui)在(Zai)水(Shui)压(Ya)的(De)作(Zuo)用(Yong)下(Xia)由(You)该(Gai)过(Guo)滤(Lu)单(Dan)元(Yuan)的(De)排(Pai)污(Wu)口(Kou)进(Jin)入(Ru)排(Pai)污(Wu)管(Guan)道(Dao),(?)完(Wan)成(Cheng)一(Yi)次(Ci)排(Pai)污(Wu)过(Guo)程(Cheng)。(?) |