(?) (?)市(Shi)政(Zheng)排(Pai)水(Shui)系(Xi)统(Tong)的(De)任(Ren)务(Wu),(?)体(Ti)制(Zhi)和(He)组(Zu)成(Cheng)本(Ben)阀(Fa)主(Zhu)要(Yao)用(Yong)在(Zai)水(Shui)厂(Chang)、(?)电(Dian)厂(Chang)、(?)引(Yin)水(Shui)工(Gong)程(Cheng)等(Deng)介(Jie)质(Zhi)为(Wei)水(Shui)的(De)管(Guan)网(Wang)系(Xi)统(Tong),(?)起(Qi)调(Diao)节(Jie)管(Guan)道(Dao)介(Jie)质(Zhi)流(Liu)量(Liang)、(?)流(Liu)态(Tai)以(Yi)及(Ji)调(Diao)节(Jie)管(Guan)网(Wang)压(Ya)力(Li)的(De)作(Zuo)用(Yong)。(?)调(Diao)流(Liu)调(Diao)压(Ya)阀(Fa)主(Zhu)要(Yao)用(Yong)在(Zai)水(Shui)厂(Chang)、(?)电(Dian)厂(Chang)、(?)引(Yin)水(Shui)工(Gong)程(Cheng)等(Deng)介(Jie)质(Zhi)为(Wei)水(Shui)的(De)管(Guan)网(Wang)系(Xi)统(Tong),(?)起(Qi)调(Diao)节(Jie)管(Guan)道(Dao)介(Jie)质(Zhi)流(Liu)量(Liang)、(?)流(Liu)态(Tai)以(Yi)及(Ji)调(Diao)节(Jie)管(Guan)网(Wang)压(Ya)力(Li)的(De)作(Zuo)用(Yong)。(?)
(?) (?)调(Diao)流(Liu)调(Diao)压(Ya)阀(Fa)特(Te)点(Dian):(?)
(?) (?)1、(?)该(Gai)阀(Fa)优(You)于(Yu)传(Chuan)统(Tong)流(Liu)量(Liang)调(Diao)节(Jie)阀(Fa)的(De)特(Te)点(Dian)就(Jiu)在(Zai)于(Yu)它(Ta)的(De)结(Jie)构(Gou)设(She)计(Ji)和(He)材(Cai)料(Liao)选(Xuan)用(Yong)使(Shi)其(Qi)不(Bu)怕(Pa)污(Wu)水(Shui)堵(Du)塞(Sai)滑(Hua)道(Dao),(?)不(Bu)怕(Pa)结(Jie)垢(Gou)现(Xian)象(Xiang),(?)不(Bu)易(Yi)卡(Ka)阻(Zu)。(?)驱(Qu)动(Dong)装(Zhuang)置(Zhi)明(Ming)显(Xian)减(Jian)小(Xiao)。(?)
(?) (?)2、(?)该(Gai)阀(Fa)可(Ke)自(Zi)动(Dong)调(Diao)节(Jie)预(Yu)先(Xian)设(She)定(Ding)的(De)管(Guan)道(Dao)介(Jie)质(Zhi)参(Can)数(Shu)值(Zhi),(?)使(Shi)之(Zhi)在(Zai)一(Yi)定(Ding)精(Jing)度(Du)内(Nei)保(Bao)持(Chi)恒(Heng)定(Ding),(?)且(Qie)精(Jing)度(Du)范(Fan)围(Wei)也(Ye)可(Ke)以(Yi)进(Jin)行(Xing)调(Diao)整(Zheng)。(?)
(?) (?)3、(?)电(Dian)动(Dong)调(Diao)流(Liu)调(Diao)压(Ya)阀(Fa)具(Ju)有(You)良(Liang)好(Hao)的(De)耐(Nai)气(Qi)蚀(Shi)特(Te)性(Xing),(?)阀(Fa)体(Ti)内(Nei)壁(Bi)的(De)筋(Jin)板(Ban)兼(Jian)有(You)整(Zheng)流(Liu)板(Ban)的(De)作(Zuo)用(Yong),(?)可(Ke)以(Yi)分(Fen)散(San)水(Shui)流(Liu),(?)防(Fang)止(Zhi)气(Qi)蚀(Shi)。(?)同(Tong)时(Shi),(?)也(Ye)减(Jian)小(Xiao)了(Liao)阀(Fa)门(Men)的(De)噪(Zao)音(Yin)和(He)活(Huo)塞(Sai)的(De)振(Zhen)动(Dong)。(?)
(?) (?)4、(?)该(Gai)阀(Fa)的(De)控(Kong)制(Zhi)系(Xi)统(Tong)可(Ke)采(Cai)用(Yong)集(Ji)成(Cheng)电(Dian)子(Zi)电(Dian)路(Lu),(?)体(Ti)积(Ji)小(Xiao),(?)可(Ke)靠(Kao)性(Xing)好(Hao),(?)灵(Ling)敏(Min)度(Du)高(Gao),(?)安(An)装(Zhuang)调(Diao)试(Shi)方(Fang)便(Bian)。(?)
(?) (?)5、(?)全(Quan)关(Guan)渗(Shen)漏(Lou)量(Liang)为(Wei)零(Ling),(?)可(Ke)作(Zuo)为(Wei)截(Jie)止(Zhi)阀(Fa)使(Shi)用(Yong)。(?)不(Bu)必(Bi)另(Ling)设(She)其(Qi)他(Ta)截(Jie)止(Zhi)阀(Fa)门(Men)。(?)
(?) (?)6、(?)如(Ru)控(Kong)制(Zhi)程(Cheng)度(Du)及(Ji)精(Jing)度(Du)要(Yao)求(Qiu)不(Bu)是(Shi)很(Hen)高(Gao),(?)该(Gai)阀(Fa)的(De)控(Kong)制(Zhi)可(Ke)以(Yi)采(Cai)用(Yong)手(Shou)动(Dong)或(Huo)普(Pu)通(Tong)电(Dian)动(Dong)形(Xing)式(Shi)。(?)
(?) (?)市(Shi)政(Zheng)排(Pai)水(Shui)系(Xi)统(Tong)的(De)基(Ji)本(Ben)任(Ren)务(Wu)是(Shi)将(Jiang)城(Cheng)市(Shi)的(De)各(Ge)种(Zhong)污(Wu)杂(Za)废(Fei)水(Shui)和(He)雨(Yu)雪(Xue)水(Shui)有(You)组(Zu)织(Zhi)地(Di)进(Jin)行(Xing)排(Pai)除(Chu)和(He)处(Chu)理(Li),(?)以(Yi)保(Bao)证(Zheng)环(Huan)境(Jing)卫(Wei)生(Sheng)和(He)防(Fang)止(Zhi)水(Shui)体(Ti)被(Bei)污(Wu)染(Ran)。(?)市(Shi)政(Zheng)排(Pai)水(Shui)管(Guan)道(Dao)的(De)设(She)置(Zhi)本(Ben)着(Zhuo)安(An)全(Quan),(?)经(Jing)济(Ji),(?)有(You)效(Xiao)的(De)原(Yuan)则(Ze),(?)既(Ji)要(Yao)排(Pai)水(Shui)通(Tong)畅(Chang)又(You)要(Yao)节(Jie)能(Neng),(?)同(Tong)时(Shi)还(Huan)应(Ying)考(Kao)虑(Lu)尽(Jin)量(Liang)减(Jian)少(Shao)管(Guan)道(Dao)工(Gong)程(Cheng)量(Liang)及(Ji)投(Tou)资(Zi)对(Dui)市(Shi)政(Zheng)排(Pai)水(Shui)系(Xi)统(Tong)管(Guan)网(Wang)的(De)布(Bu)置(Zhi)有(You)如(Ru)下(Xia)要(Yao)求(Qiu):(?)
(?) (?)((?)1)(?)各(Ge)支(Zhi)管(Guan),(?)干(Gan)管(Guan),(?)主(Zhu)干(Gan)管(Guan)的(De)布(Bu)置(Zhi)应(Ying)尽(Jin)量(Liang)顺(Shun)直(Zhi)少(Shao)高(Gao),(?)污(Wu)水(Shui)应(Ying)尽(Jin)可(Ke)能(Neng)以(Yi)最(Zui)短(Duan)距(Ju)离(Li)排(Pai)泄(Xie)到(Dao)污(Wu)水(Shui)处(Chu)理(Li)厂(Chang)。(?)
(?) (?)((?)2)(?)管(Guan)道(Dao)应(Ying)尽(Jin)量(Liang)避(Bi)免(Mian)或(Huo)减(Jian)少(Shao)穿(Chuan)越(Yue)河(He)道(Dao),(?)铁(Tie)路(Lu)及(Ji)其(Qi)他(Ta)地(Di)下(Xia)构(Gou)筑(Zhu)物(Wu),(?)当(Dang)城(Cheng)市(Shi)为(Wei)分(Fen)期(Qi)建(Jian)设(She)时(Shi),(?)第(Di)一(Yi)期(Qi)工(Gong)程(Cheng)的(De)干(Gan)管(Guan)内(Nei)应(Ying)有(You)较(Jiao)大(Da)的(De)流(Liu)量(Liang)通(Tong)过(Guo),(?)以(Yi)免(Mian)因(Yin)初(Chu)期(Qi)流(Liu)速(Su)太(Tai)小(Xiao)而(?)影(Ying)响(Xiang)管(Guan)道(Dao)的(De)正(Zheng)常(Chang)排(Pai)水(Shui)。(?)
(?) (?)((?)3)(?)按(An)照(Zhao)地(Di)形(Xing)地(Di)势(Shi),(?)充(Chong)分(Fen)利(Li)用(Yong)重(Zhong)力(Li)流(Liu)的(De)方(Fang)式(Shi)自(Zi)流(Liu)排(Pai)水(Shui)。(?)
(?) (?)((?)4)(?)管(Guan)道(Dao)应(Ying)尽(Jin)量(Liang)布(Bu)置(Zhi)在(Zai)道(Dao)路(Lu)边(Bian)侧(Ce)的(De)漫(Man)车(Che)道(Dao),(?)人(Ren)行(Xing)道(Dao)下(Xia)面(Mian),(?)管(Guan)道(Dao)与(Yu)铁(Tie)路(Lu),(?)道(Dao)路(Lu)交(Jiao)叉(Cha)时(Shi),(?)应(Ying)尽(Jin)量(Liang)垂(Chui)直(Zhi)于(Yu)路(Lu)的(De)中(Zhong)心(Xin)线(Xian)。(?)
(?) (?)((?)5)(?)管(Guan)道(Dao)在(Zai)坡(Po)度(Du)改(Gai)变(Bian),(?)转(Zhuan)弯(Wan),(?)管(Guan)径(Jing)改(Gai)变(Bian)及(Ji)支(Zhi)管(Guan)接(Jie)入(Ru)等(Deng)处(Chu)应(Ying)设(She)在(Zai)排(Pai)水(Shui)检(Jian)查(Cha)井(Jing),(?)以(Yi)便(Bian)检(Jian)查(Cha)和(He)清(Qing)通(Tong)排(Pai)水(Shui)管(Guan)网(Wang)。(?)
(?) (?)((?)6)(?)地(Di)形(Xing)平(Ping)坦(Tan)处(Chu)的(De)小(Xiao)流(Liu)量(Liang)管(Guan)道(Dao),(?)应(Ying)以(Yi)最(Zui)短(Duan)路(Lu)线(Xian)与(Yu)干(Gan)管(Guan)相(Xiang)接(Jie),(?)尽(Jin)量(Liang)减(Jian)少(Shao)污(Wu)水(Shui)泵(Beng)站(Zhan)的(De)数(Shu)量(Liang)。(?)
(?) (?)((?)7)(?)排(Pai)水(Shui)管(Guan)道(Dao)屏(Ping)幕(Mu)排(Pai)列(Lie)及(Ji)设(She)计(Ji)与(Yu)其(Qi)他(Ta)管(Guan)道(Dao)发(Fa)生(Sheng)冲(Chong)实(Shi)时(Shi),(?)应(Ying)按(An)“小(Xiao)管(Guan)让(Rang)大(Da)管(Guan),(?)可(Ke)弯(Wan)管(Guan)让(Rang)步(Bu)可(Ke)弯(Wan)管(Guan),(?)新(Xin)建(Jian)让(Rang)已(Yi)建(Jian),(?)临(Lin)时(Shi)让(Rang),(?)有(You)压(Ya)让(Rang)无(Wu)压(Ya)”的(De)规(Gui)定(Ding)处(Chu)理(Li)。(?)
(?) (?)((?)8)(?)管(Guan)通(Tong)不(Bu)得(De)因(Yin)机(Ji)械(Xie)振(Zhen)动(Dong)而(?)被(Bei)破(Po)损(Sun),(?)管(Guan)道(Dao)损(Sun)坏(Huai)时(Shi),(?)关(Guan)内(Nei)污(Wu)水(Shui)不(Bu)得(De)冲(Chong)刷(Shua)或(Huo)侵(Qin)蚀(Shi)建(Jian)筑(Zhu)物(Wu)以(Yi)及(Ji)构(Gou)筑(Zhu)物(Wu)的(De)基(Ji)础(Chu)和(He)污(Wu)染(Ran)生(Sheng)活(Huo)饮(Yin)用(Yong)水(Shui)水(Shui)管(Guan)。(?)
(?) (?)((?)9)(?)管(Guan)布(Bu)置(Zhi)不(Bu)得(De)影(Ying)响(Xiang)施(Shi)工(Gong)安(An)装(Zhuang)和(He)管(Guan)通(Tong)检(Jian)修(Xiu)。(?)