球探足球比分

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泵启动时, 到底要不要关闭出口阀?

时间:2019-10-18 来源:温州磁久泵业科技有限公司

离心泵这个经常使用的泵,在启动时,需要注意一大堆的事项,离心泵启动时要不要关闭出口阀门?震惊!竟然很多人不知道.......


01

离心泵启动时为什么要关闭出口阀门? 


球探足球比分 LIXINSHUIBENGZAIQIDONGSHI,BENGDECHUKOUGUANLUNEIHAIMEISHUI,YINCIHAIBUCUNZAIGUANLUZULIHETISHENGGAODUZULI,ZAILIXINBENGQIDONGHOU,LIXINBENGYANGCHENGHENDI,LIULIANGHENDA,CISHIBENGDIANJI(ZHOUGONGLV)SHUCHUHENDA(JUBENGXINGNENGQUXIAN),HENRONGYICHAOZAI,JIUHUISHIBENGDEDIANJIJIXIANLUSUNHUAI,YINCIQIDONGSHIYAOGUANBICHUKOUFA,CAINENGSHIBENGZHENGCHANGYUNXING。 


RUGUOYONGZHOULIUSHIDESHUIBENGJIUQINGKUANGXIANGFANLE,BIXUSHIKAIFAQIDONG,CISHIDIANJIDEGONGLVZUIXIAODUANSHIJIANNEIYOUYUMEIYOUZULI,HUIPIANDALIULIANGYUNZHUAN,CHANGCHANGCHUXIANBENGZHENDONG、ZAOSHENG,SHENZHIDIANJICHAOFUHEYUNZHUAN,JIANGDIANJISHAOHUI。GUANBICHUKOUFA,DENGYURENWEISHEZHIGUANZUYALI,SUIBENGZHENGCHANGYUNZHUANHOU,HUANMANQIDONGFAMEN,RANGBENGYANQIXINGNENGQUXIANGUILVZHUBUZHENGCHANGGONGZUO。 


离心泵启动前必须保证两点:


球探足球比分 1、JIANGBENGQIAONEICHONGMANSHUI,MUDESHIWEILEXINGCHENGZHENKONG;


2、BIXUGUANBICHUSHUIGUANSHANGDEZHAFA,ZHEIYANGSHUIBENGMEIYOUXINGCHENGLIULIANG,KEYIJIANXIAODIANJIQIDONGDIANLIU,LIYUSHUIBENGDESHUNLIQIDONG,SUIZHESHUIBENGDESHUNLIQIDONGYINGJISHIMANMANDAKAIZHAFA。


球探足球比分 LIXINBENGSHIKAOYELUNLIXINLIXINGCHENGZHENKONGDEXILIBASHUITIQI,SUOYI,LIXINBENGQIDONGSHI,BIXUXIANBACHUKOUFAGUANBI,GUANSHUI。SHUIWEICHAOGUOYELUNBUWEIYISHANG,PAICHULIXINBENGZHONGDEKONGQI,CAIKEQIDONG,QIDONGHOU,YELUNZHOUWEIXINGCHENGZHENKONG,BASHUIXIANGSHANGXI,QIKEZIDONGDAKAI,BASHUITIQI。YINCI,BIXUXIANGUANBICHUKOUFA。


02

关于离心泵

LIXINBENGSHIYIZHONGYEPIANBENG,YIKAOXUANZHUANDEYELUNZAIXUANZHUANGUOCHENGZHONG,YOUYUYEPIANHEYETIDEXIANGHUZUOYONG,YEPIANJIANGJIXIENENGCHUANJIYETI,SHIYETIDEYALINENGZENGJIA,DADAOSHUSONGYETIDEMUDE。


离心泵工作有以下特点:

①LIXINBENGZAIYIDINGZHUANSUXIASUOCHANSHENGDEYANGCHENGYOUYIXIANDINGZHI。GONGZUODIANLIULIANGHEZHOUGONGLVQUJUEYUYUBENGLIANJIEDEZHUANGZHIXITONGDEQINGKUANG(WEICHA、YALICHAHEGUANLUSUNSHI)。YANGCHENGSUILIULIANGERGAIBIAN。

球探足球比分   

②GONGZUOWENDING,SHUSONGLIANXU,LIULIANGHEYALIWUMAIDONG。 


③YIBANWUZIXINENGLI,XUYAOJIANGBENGXIANGUANMANYETIHUOJIANGGUANLUCHOUCHENGZHENKONGHOUCAINENGKAISHIGONGZUO。 


④LIXINBENGZAIPAICHUGUANLUFAMENGUANBIZHUANGTAIXIAQIDONG,XUANWOBENGHEZHOULIUBENGZAIFAMENQUANKAIZHUANGTAIXIAQIDONG,YIJIANSHAOQIDONGGONGLV。 



球探足球比分 ZAIBENGQIDONGQIAN,BENGQIAONEIGUANMANBEISHUSONGDEYETI;QIDONGHOU,YELUNYOUZHOUDAIDONGGAOSUZHUANDONG,YEPIANJIANDEYETIYEBIXUSUIZHEZHUANDONG。ZAILIXINLIDEZUOYONGXIA,YETICONGYELUNZHONGXINBEIPAOXIANGWAIYUANBINGHUODENENGLIANG,YIGAOSULIKAIYELUNWAIYUANJINRUWOXINGBENGQIAO。


球探足球比分 ZAIWOQIAOZHONG,YETIYOUYULIUDAODEZHUJIANKUODAERJIANSU,YOUJIANGBUFENDONGNENGZHUANBIANWEIJINGYANENG,ZUIHOUYIJIAOGAODEYALILIURUPAICHUGUANDAO,SONGZHIXUYAOCHANGSUO。YETIYOUYELUNZHONGXINLIUXIANGWAIYUANSHI,ZAIYELUNZHONGXINXINGCHENGLEYIDINGDEZHENKONG,YOUYUZHUCAOYEMIANSHANGFANGDEYALIDAYUBENGRUKOUCHUDEYALI,YETIBIANBEILIANXUYARUYELUNZHONG。KEJIAN,ZHIYAOYELUNBUDUANDIZHUANDONG,YETIBIANHUIBUDUANDIBEIXIRUHEPAICHU。


03

其他离心泵的启动

球探足球比分 YISHANGSHUODEDOUSHILIXINBENG, DUIYUQITALEIXINGBENG,QINGKUANGRUXIA:


1、轴流泵的大流量启动特性——全开阀启动

ZHOULIUBENGZAILINGLIULIANGGONGKUANGSHIZHOUGONGLVZUIDA,WEIEDINGZHOUGONGLVDE140%~200%,ZUIDALIULIANGSHIGONGLVZUIXIAO,SUOYIWEILEQIDONGDIANLIUZUIXIAO,ZHOUGONGLVDEQIDONGTEXINGYINGSHIDALIULIANGQIDONG(JIQUANKAIFAQIDONG)。



2、混流泵的启动特征——全开阀启动

HUNLIUBENGZAILINGLIULIANGGONGKUANGSHIZHOUGONGLVJIEYUSHANGSHULIANGZHONGBENGZHIJIAN,WEIEDINGGONGLVDE100%~130%,SUOYIHUNLIUBENGDEQIDONGTEXINGYEYINGSHISHANGSHULIANGZHONGBENGZHIJIAN,ZUIHAOQUANKAIFAQIDONG。


3、旋涡泵的启动特征——全开阀启动

XUANWOBENGZAILINGLIULIANGGONGKUANGSHIZHOUGONGLVZUIDA,WEIEDINGZHOUGONGLVDE130%~190%,SUOYIYUZHOULIUBENGXIANGSI,XUANWOBENGDEQIDONGTEXINGYINGSHIDALIULIANGQIDONG(JIQUANKAIFAQIDONG)。