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明渠流量计

GENGXINSHIJIAN:2020-05-19

简要描述:

MINGQULIULIANGJIYUQITAFENGBIMANGUANLIULIANGYIBIAOBUTONG,SHIZAIFEIMANGUANZHUANGTAIXIAHUOCHANGKAIQUDAOJUYOUZIYOUBIANMIANZIRANLIUDELIULIANGYIBIAO。CHAOSHENGBOYUANLIDEMINGQULIULIANGJIJIAGEDILIAN、SHIYONGJIANDAN,YINERZAIMINGQULIULIANGCELIANGZHONGBEIGUANGFANCAIYONG。

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明渠流量计

   YI、GAISHU:

  MGG/KL型明渠流量计是在非满管状敞开渠道测量自由表面自然流的流量仪表。非满管态流动的水路称作明渠,测量明渠中水流流量的称作明渠流量计明渠流量计除圆形外,还有U字形、梯形、矩形等多种形状。

  ER、FENLEI:

  MINGQULIULIANGJIPINZHONGHENDUO,CHANGJIANDEYOUYANSHIMINGQULIULIANGJIHECAOSHIMINGQULIULIANGJILIANGDALEI。

  SAN、YINGYONGFANWEI

  MINGQULIULIANGJIYINGYONGCHANGSUOYOUCHENGSHIGONGSHUIYINSHUIQU;HUODIANCHANGYINSHUIHEPAISHUIQU、WUSHUIZHILILIURUHEPAIFANGQU;GONGKUANGQIYESHUIPAIFANGYIJISHUILIGONGCHENGHENONGYEGUANGAIYONGQUDAO。

  SI、TEDIAN:

  1、KECELIANGFEIMANGUAN(YUANGUAN、DANXINGGUANHUOQITAYIXINGGUAN)LIULIANG 2、KECELIANGQUDAO(YUANXINGQU、JUXINGQUHUOQITAYIXINGQU)LIULIANG 3、KECELIANGTIANRANDEHE、XILIULIANG 4、KECELIANGWUSHUIPAIFANGQUDAOHUOGUANDAO(XIASHUIDAO)LIULIANG 5、KECELIANGZHENGXIANGHEFANXIANGLIUSUHELIULIANG 6、KETIGONGSHUNSHILIULIANGZHIHELEIJILIULIANGZHI 7、SHUCHUXINHAO:RS-485、Modbus、4-20maDIANLIUXINHAOHEDUOLUKAIGUANLIANG8、CHUANGANQIKEZAIELIEDEXIANCHANGHEWUSHUISHUIZHIXIAZHANGQIGONGZUO 9、KEXUANPEIDUANXINHUOGPRSWUXIANMOKUAISHIXIANYUANCHENGYAOCE 10、CHUANGANQIWAIQIAOWEIJUTANSUANZHI,FANGHUDENGJIIP68 11、NEIZHIZIDONGWENDUBUCHANG 12、MANGQUKEDIAOJIE,PINGBITANTOUFUJINGANRAOXINHAO

  WU、JISHUCANSHU

  ·GONGCHENGTONGJING:DN50、100、200、400、600、800mm

  ·JINGQUEDU:±1.0%;±2.0%(YUFANGZHENCHUANGANQIHEYONGSHI)

  ·CELIANGFANWEI:0 ~ 1m/sZHI0 ~ 10m/s(LIUSU)

  ·JIEZHIDIANDAOLV:≥5μs/cm

  ·QIANSHUISHENDU:10m

  ·DIANJICAILIAO:HANMUBUXIUGANG、TAITi、HASHIHEJINB、HASHIHEJINC、TESHU

  ·JIEZHIWENDU:0℃ ~ +40℃

  ·CHUANGANQISHUCHUXINHAO:0 ~ 0.2mVp ~ pZHI0 ~ 2mVp ~ P

  ·LIULIANGJISHUCHUXINHAO:4 ~ 20mA.DCHE0 ~ 5000HzHUO0 ~ 2000Hz

  ·CHANPINBIAOZHUN:CJ/T3017 ~ 1993QIANSHUIXINGDIANCILIULIANGJI

  KAILIUYIBIAOKUOZHANZILIAO: 

  YI、GONGZUOYUANLI

  ■MINGQULIULIANGXITONGYILIUSU-SHUIWEIYUNSUANFAWEIJICHU,BINGCAIYONGLEXIANJINDESIFUSHUIWEIGENZONGCESUXITONGHEWEICHULIQI,CONGERQUEBAOCESUHEYUNSUANDEZHUNQUEXINGDEYIZHONGXINXINGZHINENGHUALIULIANGXITONG,GENJUQUDAODEKUANDUHECELIANGJINGDUDEYAOQIU,CAIYONGYIXIANYIDIANFAHUODUOXIANYIDIANFAMINGQUCELIUDESHUXUEMOXING。

  ■ZHINENGMINGQULIULIANGXITONGXIANSHIYIZHONGWEICHULIQIGENJUSHUIWEIJICECHUDESHIJISHUIWEIZHI,SHUCHUKONGZHIXINHAOQUQUDONGSIFUGENZONGZHIXINGJIGOUDAIDONGDIANCILIUSUYIZIDONGGENZONG,ZAICHUIXIANPINGJUNLIUSUDIAN0.4BEISHUISHENCHUJIANCELIUSU,BINGGENJUSHICEDESHUIWEIZHI、LIUSUZHIHEYIZHIRUDEQUDAOJIHECHICUN、BIANPOXISHU、QUDAOJINGDU、SHUILIPODAO、LIUSUCHUIZHIPINGMIANXIUZHENGXISHU,ANZHAOYUDINGDESHUXUEMOSHIJISUANCHUQUDAODELIULIANG。

  ER、TEDIAN

  ■CELIANGFANWEIDA,LIULIANGCELIANGBUSHOUZHILIUMIANHUISHUIDEYINGXIANG。

  ■CELIANGSHIBUSHOUSHUIZHONGPIAOFUWUNISHA、QIPAOHESHUIWEIDAFUDUBIANHUADEYINGXIANGLIULIANGCHUANGANQIDUISHUILIUCHANSHENGZULIJIEGOUJIANDAN、TIJIXIAO、ANZHUANGFANGBIAN。BIAOZHUNQUDAOBUXUYAOGAIZAOKEZHIJIEANZHUANG,ANZHUANGSHIGONGFEIYONGDI。YIBIAOXIANSHISHUCHUGONGNENGQIQUAN,KEXIANSHISHUIWEI、LIUSU、LIULIANG、LEIJILIULIANGDENGCELIANGSHUJU,BINGJUYOURS-485TONGXUNJIEKOU。

  ■JUYOUSHUIWEI、NIWEI、LIUSUCHAOXIANBAOJINGGONGNENG。

  ■JUYOUSHUJUBAOCUNGONGNENG,KEZAIZHANGQITINGDIANDEQINGKUANGXIABAOCUNSHEZHICANSHUHELIULIANGZHI。

  SAN、ZHUYAOJISHUZHIBIAO

  ■CELIANGJINGDU:LIUSU±0.5% SHUIWEI±0.5% XITONG±1.5%

  ■GONGHAO:LKW(YIDIANCESU)

  ■DIANYUAN:AC24V/220V/380VHUODC3.6VDIANCHIGONGDIAN

  ■CELIANGFANWEI:LIUSU0.2-m/s QUKUAN0.5-30m QUSHEN0.5-10m

  ■LEIJILIULIANGXIANSHIDAZHI:9999999999

  ■SHUNSHILIULIANGXIANSHIDAZHI:999999

  ■LIUSUXIANSHIDAZHI:9.99

  ■SHUIWEIXIANSHIDAZHI:9.999

4选用考虑要点

  概述    针对城市供水引水渠、工业引水和排水渠、污水治理渠道等流量测量特点,应考虑以下因素选择合适的测量方法。   

1) SHUILUDAXIAOHEXINGZHUANG,LIUSUFANWEI,LIULIANGDAHELIULIANGXIAO;   

2) CELIANGJINGQUEDUYAOQIU;   

3) LIULIANGJISHEZHICHANGSUOHEHUANJINGTIAOJIAN;   

4) YETIZHUANGKUANG,JIEJINGCHENGDU,HANYOUGUXIANGNONGDU,FUSHIXING;   

5) XIANCHANGYUNXULUOCHA(HUOSHENGGAOSHUIWEI)HEQUDAOPODU;   

6) YUYETIJIECHUDEYIBIAOLINGBUJIANCAILIAO;  

7) XUANYONGCHAOSHENGLIUSUJIHEDIANCILIUSUJISHIYAOFENBIEDUIYETIZHUODUHUODIANDAOLVZUODIAOCHA,QIYAOQIUKECANZHAOCHAOSHENGLIULIANGJIHEDIANCILIULIANGJIYAOQIU。     

GUSUANQUDAOLIULIANGHETAIGAOSHUIWEI   DUIYUXINJIANDANWEIKETONGGUOGONGYILIUCHENGJISUANQUDAOLIULIANGYUNIANZHUANGWEIZHI,ZAIXUANDINGYIBIAOGUIGE。DUIYULAOQIYETIANZHIYIBIAOYAOGUJIJIYOUQUDAOLIULIANGHEQUERENYIBIAOSHANGYOUYUNXUSHENGGAOSHUIWEI;JIQUEDINGLIULIANGYIBIAOGUIGEHELIULIANGFANWEI,YAOQUJUEYUQUDAOFENGLIULIANGHEYUNXUSHENGGAOSHUIWEILIANGGEYINSU。   (1)GUJIFENGLIULIANG   TONGCHANGYOUTOUFUZIFAHERIPAIFANGLIANGGUSUANFALIANGZHONGFANGFA。   1) TOUFUZIFA JIYOUMINGQUKECAIYONGTOUFUZIFACEDINGHEGUSUANLIULIANG。XUANDINGZAILIULIANGDASHI,LIANGRENJULIL(20~50m)LIYUZHIQUDAOPANG,SHANGYOUYIRENTOUFANGFUZI(YIBANSHIMUZHIYUANPIAN),XIAYOUYIRENZAITOUFANGMUPIANDESHUNJIANQIDONGJISHI,DANGFUZIDAODASHITINGZHIJISHI,DESHIJIANt,QIUCHUQUDAOBIAOMIANLIUSUυ m/s(υ=L/t) 。ZAICECHUQUDAOLIUTONGJIEMIANJIAm2,BIANKECONGSHI(5)GUSUANLIULIANGQ SHIZHONG K---------XIUZHENGXISHU,YINBIAOMIANLIUSUDAYUPINGJUNLIUSU,YIBANQU0.84~0.90.   2)CONGRIPAIFANGLIANGQdGUSUANFENGLIULIANGQp ZAIMEIYOUTIAOJIANYONGTOUFUZIFAHUOXINJIANXITONG,KECAIYONGSHIJI(HUOSHEJI)DEPAIFANGLIANGLAIGUJIFENGLIULIANG,GUSUANGONGSHIRUSHI(6)HUO(7)SHIZHONG Ku------BUJUNYUNXISHU,RUWEIJUNYUNLIANXUPAIFANG,KEQU1.1~1.2;   H -------MEITIANJIZHONGPAIFANGLEIJIXIAOSHISHU,RUWEIBUJUNYUNLIANXUPAIFANG,ZEANJIZHONGPAIFANGXIAOSHIJISUAN。   (2) QUEDINGTAIGAOSHUIWEI

  CHULIUSU-SHUIWEILIULIANGJIHEFEIMANGUANDIANCILIULIANGJIWAI,QUDAOANZHUANGLIULIANGJIHOUQISHANGYOUJUNYAOTAIGAOSHUIWEI。DUIYUXINSHEJIDEQUXIKEANCELIANGLIULIANGFANWEIHEZHOUBIANHUANJINGTIAOJIANQUANMIANKAOLVQUEDINGSHENGGAOSHUIWEIGAODU。DUIYUXIANYOUQUDAOZAIXUANDINGLIULIANGJISHI,YAOKAOLVSHANGYOUQUXISHUIWEITAIGAOHOUDEYINGXIANG(RUSHUIWEISHIFOUHUIMANYICHUQUDAO),RANHOUZAIANQUEDINGDESHUIWEISHENGGAOGAODUHEFENGLIULIANGZHIXUANDINGYIBIAOGUIGE。

                 NIANJIANXIAOZHUN

NIANJIANXIAOZHUNDEJIBENYAOQIUXIAOZHUNYINGMANZUDEJIBENYAOQIURUXIA:  

1)HUANJINGTIAOJIANXIAOZHUNRUZAIJIANDING(XIAOZHUN)SHIJINXING,ZEHUANJINGTIAOJIANYINGMANZUSHIYANSHIYAOQIUDEWENDU、SHIDUDENGGUIDING。XIAOZHUNRUZAIXIANCHANGJINXING,ZEHUANJINGTIAOJIANYINENGMANZUYIBIAOXIANCHANGSHIYONGDETIAOJIANWEIZHUN。            2)YIQIZUOWEIXIAOZHUNYONGDEBIAOZHUNYIQIQIWUCHAXIANYINGSHIBEIXIAOBIAOWUCHAXIANDE1/3~1/10。

3)RENYUANXIAOZHUNSUIBUTONGYUJIANDING,DANJINXINGXIAOZHUNDERENYUANYEYINGJINGYOUXIAODEKAOHE,BINGQUDEXIANGYINGDEHEGEZHENGSHU,ZHIYOUCHIZHENGRENYUANFANGDAICHUJUXIAOZHUNZHENGSHUHEXIAOZHUNBAOGAO,YEZHIYOUZHEIZHONGZHENGSHUHEBAOGAOCAIRENWEISHIYOUXIAODE。

 XIAOZHUNKEYIZHAODIFANGJILIANGSUOHUOZHEDISANFANGXIAOZHUNDANWEI,RUSHANGHAIJILIANGSUO,GUANGDONGJILIANGSUO,SUZHOUJILIANGXIAOZHUNWANGDENG....  ,QIANTIDOUBIXUDEYOUGUOJIABANFADECNASJILIANGZIZHI

  渠用流量仪表适用范围和性能比较   常用渠用流量仪表适用范围和性能比较归纳如表。   表 渠用流量仪表性能比较   

测量方法

BIJIAOXIANGMU

堰法(薄壁堰)P槽法PB槽法流速-水位法潜水电磁法
适用渠道,类型明渠明渠圆形暗渠明渠,暗渠明渠,暗渠
流量检测,结构特征渠道要截流,检测件结构简单渠道一段要装入槽,检测件结构较复杂渠道一段要装入槽,检测件结构较复杂不必改动渠道,流量检测要用流速计渠道要截流,检测件为本体,分流模型扩大流量
检测仪表液位计液位计液位计流速计+液位计本仪表直接测量
渠宽,喉宽或口径渠宽:,450-8000喉宽:25-240,(15200)口径:150-1800,(3000)渠宽:300-1000,口径:300-500口径:500-400,(600)
流量或流速范围15-40000m/h,三角堰,小流量,矩形堰,中流量,等宽堰,大流量30-15000,(33000)m/h20-12000,(4200)m/h流速:0-20m/s10-5000m/h
测量精确度误差/(%FS)1-33-53-53-5单独传感器:1,5,带分流模型:2,5
流量范围度(10-20):1(20-30):1(20-30):1(20-100):110:1
抬高水位/mm200(120)-8075-200口径的,(1/20-1/30)100-500
上游侧固态物是否沉积和排泄程度会沉积,不会排泄,要定期清除不会沉积,随物排泄不会沉积,随流排泄不会沉积,随流排泄会沉积,能部分随流排泄
上游直渠段长度要求/mm1500-24000(其中整流流部690-12000)300-20000上游侧:≥(5-10)倍的口径,下游侧:≥2倍口径上游侧:≥(10-15)倍渠道(或口径),下游侧:≥5倍渠宽(或口径) 
[5]对液体的

YAOQIU

无特殊要求无特殊要求无特殊要求传播时间法超声流速计;浊度≤5000mg/L多普勒法超声流速计:浊度60-5000mg/L液体,导电率,≥,10s,/cm测量废水,下水不存在问题

GELEIYIBIAODETEDIANQIANWENYIYOUSUOLUNSHU,XIANZAIZUOZONGHEBIJIAO。   1)SHUITOUSUNSHIHUOSHANGYOUCETAIGAOSHUIWEI LIUSU-SHUIWEIFAMEIYOUYINCELIANGDAILAISHUITOUSUNSHI,QIYUJIZHONGFANGFAQUDAOJUNYAOBEIJIELIUHUOZHUANGRUYIDUANLIULIANGJIANCEJIANDUAN,TAIGAOSHANGYOUSHUIWEI。QIANSHUIDIANCILIULIANGJIYOUYUKEZHUANGFENLIUMOXING,SHENGGAOSHUIWEIKEBIJIAOLINGHUODIXUANZE。   2) ANZHUANGFANGBIANXING LIULIANGJIANCEJIANBENSHENHEANZHUANGYICAOJIAOFUZA,YANHEQIANSHUIDIANCILIULIANGCHUANGANQIXIANGDUIJIANDAN。   DUIYIYOUQUDAOGAIZAO,ANZHUANGLIULIANGJIANCEJIANSHIWAJUEGONGCHENGLIANGDA,TEBIESHIANQUYAOSHEZHIJIANCHAJING(YINJING),WANGWANGCHENGWEIFOUDINGXUANYONGFANGANDEYUANYIN。   CHUQIANSHUIDIANCIFAWAI,QITAGELEIFANGFAJUNYOUZHIQUDAOYAOQIU,ZHEIJIXUANZECELIANGDIANWEIZHIDAILAIXUDUOZHIYUETIAOJIAN。

5主要配置

LIANGCHENG:20t/h、50t/h、150t/h、400t/h、900t/h、1500t/h、3000t/h、5000t/h、8000t/h、10000t/h

    JINGDU:1.0JI

    XIANSHIYIBIAOWENDU:0℃~50℃             

    JIEZHIWENDU:0℃~+60℃

    CHUANGANQIWENDU:-30℃~+60℃            

    YALI:ZIYOULIU

    LIUDAOXINGSHI:BAXIEERCAOSANJIAOYANBAN/JUXINGYANBAN      

    FANGHUDENGJI:IP65

    GONGDIANDIANYUAN:220VAC 50HZ              

    QIANZHIDUAN:1~3MI

    XIANSHI:SHUANGCHUANGKOU,8WEILEDLEIJILIULIANGHE4WEILEDSHUNJIANLIULIANG  

    XIAOHAOGONGLV:≤15W

6安装

  (1) SHICELIUSUSHIJIANLIZAIQUDAOLIUTAIBIJIAOJUNYUNDEQIANTIXIADE,JIYAOQIUQU(GUAN)DAODEZHIXIANDUANZHANGDUYAOMANZUYAOQIU。

 

  (2) XIANCHANGZHIXIANDUANBUZUSHI,YAOTONGGUOZAICELIANGDUANJIAOCHASHEZHISHENGDAOLAIBUCHANGXIEXIANLIUDUILIUSUCELIANGZHUNQUEDUDEYINGXIANG。

 

  (3) XIANCHANGCELIANGDUANQIANHOURUOYOUYAN、ZHADENGSHESHISHICHUIZHILIUTAIWENLUANSHI,YINGCAIYONGDUOSHENGDAOCELIANGFANGSHILAIDADAOZHUNQUECELIANGMIANPINGJUNLIUSU。SHENGDAOSHULIANGHESHENGDAOGAODUDEQUEDING,YAOYIJUCELIANGZHUNQUEDUDEYAOQIU,TONGSHIHAIYAOKAOLVDISHUIWEI、GAOSHUIWEIHEGONGZUOSHUIWEI。

 

  (4) DUIQUDAOSHILIULIANGJILAISHUO,ZHUNQUECELIANGLIUSU、SHUIWEIGURANHENZHONGYAO,DANWANGWANGDUILIULIANGCELIANGYINGXIANGDADESHIQUDAODUANMIANJIDEWUCHA(RU,QUDIBUNISHAYUJIHEQUBIBUPINGZHENG、QUKUANBUYIZHIDENGWUCHA)。SUOYI,ZAICITEBIEZHICHUDESHI———QUDAODUANMIANJIWUCHADEKONGZHIYIDINGYAOYAOQIUQUDAOTUJIANANSHEJIJINGQUESHIGONG。

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