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大型泵站用缓闭止回阀选型   发布时间:17-09-07

大型泵站用缓闭止回阀选型

液控缓闭止回阀分为蓄能和重锤两部分,可控性好,调节范围大、适应性强。电液控制系统设有多处调节点,可以按不同的管道控制要求进行启闭程序设置保证在满足开、关阀条件时,阀门能够自动按预先设定的时间、角度开启和分快、慢二阶段关闭。并能实现无电关阀,有效消除破坏性水锤,防止水泵和水轮机组飞逸事故的发生,降低管网系统的压力波动,保障设备的安全可靠运行。

ZHUFAMIFENGFUWEISANPIANXINJINSHUMIFENGHUOSHUANGPIANXINXIANGJIAOMIFENGJIEGOU,QIBIQINGSONG、MIFENGKEKAO;BINGYOUYIDAOEWAIJIADADEPIANXIN,SHIFAMENJUYOULIANGHAODEZIGUANBI、ZIMIFENGXINGNENG。ZHONG、XIAOKOUJINGDIEBANSHEJICHENGLIUXIANXINGPINGBANJIEGOU,DAKOUJINGDIEBANSHEJIMIANSHUANGPINGBANHENGJIAGONGJIEGOU,PAIJIXIAO,SHUILIUPINGSHUN,FAMENLIUZUXISHUJINWEI0.1~0.6,YUANXIAOYUZHIHUIFADELIUZUXISHU(1.7~2.6),JIENENGXIAOGUOMINGXIAN。

ZUOYUANLIJICAOZUOSHUOMING:


BENFADIANQIKONGZHIXITONGZHULUOJIYUANJIANWEIPLCZHINENGKONGZHIXING,FENYIXIAJIZHONGGONGKUANG:

KAIFALIXINBENGGONGKUANG(BAOKUOLIXINHUNLIUBENG):XIANQIDONGBENG,YANZHANGYUDINGSHIJIANHOUKAIFA,HUOBENGFATONGSHIKAIQI。

KAIFAZHOULIUBENGGONGKUANG(BAOKUOZHOULIUHUNLIUBENG):BENGFATONGSHIKAIQI,HUOKAIFAZHIYIDINGJIAODU,ZAIQIDONGBENG。

4.1ZIDONGBAOYA

HESHANGKONGQIKAIGUAN,JIETONGYOUBENGDIANYUANAC380V、KONGZHIBUJIANDUANDIANYUANDC24VDIANYUAN,DIANYUANZHISHIDENGLIANG。“ZHUANHUANKAIGUAN”XUANDAOKONGZHIYUANYOUBIANWEIZHI,KONGZHIXITONGZIDONGBAOYADANYUANZIDONGQIDONG,YOUBENGZIDONGQIDONGJIXITONGCHONGYA。DANGYALIDADAOYALIJIDIANQIGAOYA(15MPa)SHI,YOUBENGTINGJI。YIHOUFAMENCAOZUOWULUNCHUYUSHENMEZHUANGTAI,ZIDONGBAOYAGONGNENGDOUYOUXIAO。JIDANGXITONGYALIDIYUYALIJIDIANQISHEDINGDEDIYA12MPaSHI,YOUBENGZIDONGQIDONG;DANGXITONGYALIZENGZHIGAOYASHEDING15MPaSHI,YOUBENGZIDONGTINGJI。

XUNENGQICUNCHUDENENGYUANZUGOUDONGLIDIANYUANGUZHANG,YOUBENGBUNENGQIDONGSHI,YICIQUANCHENGKAIFAHUOGUANFA。JIANGZHUANHUANKAIGUANXUANZHIZUOWEISHI,KEJIECHUZIDONGBAOYAGONGNENG。

4.2JIUDIKONGZHI

JIANGZHUANHUANKAIGUANXUANZHI“JIUDI”WEI

4.2.1KAIFA

ANJIUDIKONGZHIXIANGSHANGKAIFAANNIU,KAIFAZHISHIDENGLIANG,FAMENJIANGANSHEDINGHAODESUDUKAIQI,ZHIDAOQUANKAIDEWEIZHI(QUANKAIZHISHIDENGLIANG)ZIDONGTINGZHIKAIFADONGZUO,KAIFAZHISHIDENGZIDONGXIMIE。

DIAOZHENGKAIFASHIJIANKEYITONGGUOKAIFALIULIANGKONGZHIFADELIULIANGLAISHIXIAN,KEYIDADAOBUTONGDEKAIFASHIJIANYISHIYINGSHIJIGONGKUANG,SHIJIANDIAOZHENGFANWEIJIANQIANBIAO。

4.2.2GUANFA

ANGUANFAANNIU,GUANFAZHISHIDENGLIANG,ZEFAMENANSHEDINGHAODESUDUGUANBI,ZHIDAOQUANGUANWEIZHI(QUANGUANZHISHIDENGLIANG)ZIDONGTINGZHIGUANFADONGZUO,GUANFAZHISHIDENGXIMIE。GUANFAFENWEIKUAIGUAN、MANGUANLIANGGEJIEDUAN,KUAIGUANSUDUDIAOZHENGGUANFALIULIANGKONGZHIFA,MANGUANSUDUDIAOZHENGHUANCHONGJIELIUFALAISHIXIAN,DIAOJIEFANWEIJIANQIANBIAO。

4.2.3TINGZHI

FAMENZAIKAI、GUANGUOCHENGZHONG,ANTINGZHIANNIU,FAMENTINGZHIZAIZHONGJIANRENHEWEIZHI。

4.3YUANCHENGKONGZHI

JIANGZHUANHUANKAIGUANXUANZHI“YUANCHENG”WEI,YUANCHENGZHISHIDENGLIANG。

4.3.1KAIFA

  XIANQIBENG,HOUKAIFA

ZHONGKONGSHIQIDONGSHUIBENG,YANCHIYUDINGSHIJIANHOU,SHUIBENGKONGZHIJIDIANQICHANGKAIJIEDIANBIHE,FAMENANYUDINGCHENGXUKAIQI、BAOYA。JIANGYANCHIYUDINGSHIJIANDIAOZHENGWEILING,JIKESHIXIANBENGTONGSHIQIDONG。

 XIANKAIFA,HOUQIBENG

ANYUANCHENGKAIFAANNIU,YOUBENGQIDONG,FAMENSUIZHIKAIQI,DANGFAMENKAIQIDAOYIDINGJIAODU(15°),QIBENGXINGCHENGKAIGUANBIHE,XINHAOFACHU,ZHONGKONGSHIQIDONGSHUIBENG。KAIFAANNIUTONGSHIFACHUQIBENGXINHAO,YEKESHIXIANBENG、FATONGSHIQIDONG。

4.3.2GUANFA

   BENGFAZHENGCHANGTONGSHIGUANBI

SHUIBENGTINGJI,DIANCIFADEDIANHUANXIANG,FAMENANYUDINGCHENGXUGUANBI。

   XIANGUANFA,HOUTINGBENG

ANXIAYUANCHENGGUANFAANNIU,FAMENGUANBI,DANGFAMENGUANBIDAOYIDINGJIAODU(75°),XINGCHENGKAIGUANYAHE,FACHUXINHAO,YUANCHENGKONGZHISHITINGZHISHUIBENG。

4.3.3LIANDONGSHIDIANBAOHU

BENDIANKONGSHEBEIJIERUDC24VBEIYONGDIANYUAN。DANGCHANGGUIDIANYUANSHIDIANSHI,BEIYONGDIANYUANZIDONGJIERU,BAOZHENGFAMENZIDONGGONGZUO。DANGSHUIBENGTINGJISHI,DIEFACAITONGSHIGUANFA。

4.3.4YUANCHENGJIANKONG

KONGZHIXITONGKEJIESHOUYUANCHENGKAIFA、GUANFA、TINGFA、SHUIBENGZHUANGTAIXINCHENGWAI,HAISHUCHUGEZHONGXINHAOGONGYUANCHENGDCSJIANKONG,ZHUYAOYOU:FAMENWEIZHIXINHAO、YUANCHENGZHUANGTAIXINHAO、YOUBENGZHUANGTAIXINHAO、DIANJIGUOZAI、KAIFACHAOSHIXINHAO、FAMENWEIZHIMONIXINHAODENG,XINHAOJUNWEIWUYUANGANJIEDIANKAIGUANLIANGXINHAO。

4.4SHOUDONGCAOZUO

DONGLIDIANYUANSHIDIANSHI,YAODONGSHOUYAOBENG,YIKESHIXIANFAMENQIBI。

SHOUDONGGONGNENGZHUYAOSHILIYONGBEIYONGDIANYUANJINXINGFAMENDIAOSHI,HUOZAITESHUQINGKUANGXIADEFAMENJINJIGUANBI。

4.5YALIJIDIANQIGAO、DIAOZHENGFANGFA

KANYEYAZHANWAIXINGTU,YOULIANGGEYALIJIDIANQI:WAIMIANDESHIGAOYAJIDIANQI,LIMIANDESHIDIYAJIDIANQI。DIAOZHENGFANGFA:SHUNSHIZHENFANGXIANGXUANZHUANYALISHENGGAO,NISHIZHENFANGXIANGXUANZHUANYALIJIANGDI。  

WU、、DIAOZHUANGJIDIAOSHIWEIHU

5.1DIAOYUN

YUNSHUQIDIAOSHIBUDEFANZHUAN、DAOFANG,KAIXIANGHOUYONGDIAOCHEYUNDIEFA,QIDIAOSHIZHUYIZAISIGEQIDIAODIANZHONGXUANQUPINGHENGWEIZHI。

5.2CHUCUN

CHANPINZHANGSHIJIANCUNFANGSHI,FANGYUGANZAOCHU,FENGBIJIN、CHUKOULIANGDUAN,ZAIMIFENGMIANSHANGTUFANGXIUYOU。LINSHITINGFANGSHIKEZAIWAIQIANGBANWEIZHIZENGJIAFUZHUZHICHENGYIBAOCHIPINGWEN。BANNIANBUANZHUANG,YEYAXITONGXUQINGXIHUANYOU。

5.3ANZHUANG

ANZHUANGQIANYINGHEDUIBENFAMINGPAICANSHUSHIFOUFUHESHIYONGYAOQIU,QINGXIFATITONGDAOJIDIEBAN、JIANCHAGEBUWEIYOUWUYOUWUSUNHUAIXIANXIANG,GELINGJIANLIANJIELUOSHUANSHIFOUJINGU。

ZHENGFANANZHUANGFENBIEANTUSUOSHI,QUERENYEYACHUANDONGXITONGYUSHUIBENGCHUSHUIGUANDAODEXIANGDUIFANGWEI,JIANGFAMENANZHUANGZAISHUIBENGCHUKOU。

DIEBANANZHUANGDEJICHUSHANGYINGXIAOZHENGSHUIPING,BAOZHENGFAZHOUBUQINGXIE。FAMENZHIJIAOJIFUZHUZHICHENGZHUYAOYONGYUBAOZHENGFAMENANZHUANGYUNXINGPINGWEN,BUYIDALIANGCHENGSHOUYUQICHUIZHIDEGUANDAOZHOUXIANGTUILI;ZHOUXIANGSHUITUILIYINGTONGGUOFAQIANHUOFAHOUGUANDAOCHUANDIDAOZHICHENGJICHUSHANG。

ZHU:YEKONGZHIHUIDIEFAFATISHANGDEFANGXIANGBIAOSHIFAMENDECHENGYAFANGXIANG,DANGANZHUANGYUSHUIBENGCHUKOUSHI,FATISHANGJIANTOUFANGXIANGYINGYUSHUIBENGCHUSHUIFANGXIANGXIANGFAN,QIEFAMENLI、WOANZHUANGBUYINGXIANGXIAOGUO。



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