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水利阀门选型和介绍

 FAMENSHIYIZHONG“YANGBINGQIANRI,YONGYUYISHI”DEKONGZHIZHUANGZHI。PINGSHIYAOQIUFAMENKAIQIYAODAOWEI,JIANSHAOGUANDUANDESHUISUNSHI:YIDANXUYAO,FAMENYINGNENGXUNSUDEGUANBI、KEKAODEDUANLIU。


给水系统中的阀门选型的原则是➽选择优质、可靠、适用性强的阀门。对于长期以来不能满足要求的类型,应考虑采用新型的、更为先进的阀门。关于更多的水利控制阀门产品,查看详细内容,请点击 水利控制阀


JIEXIALAI ,JIDAJIAJIUYIJIZHONGCHANGYONGFAMENZAIJISHUIXITONGZHONGDEYINGYONGWEILIJINXINGZHASHU。


1.截止阀选型

介绍

JIEZHIFAZUOWEIGUANWANGZHONGYONGLIANGZUIDADEYIZHONGFAMEN,CHANGCHANGYONGYUDN<50mmGONGSHUIGUANWANGZHONG。

缺陷

ZHANGQIYILAI,GUANWANGXITONGSHIYONGDEJIEZHIFACUNZAIZHE“WAILOU、GUANBUYAN、SHOUMINGBUZHANG”DEPUBIANXIANXIANG。

技术衡量

JIEZHIFAXUANXINGSHIYINGCONGYIXIAJIGEJISHUFANGMIANJINXINGHENGLIANG,JINERYUYIQUEDING:

①GUOSHUIDUANMIANDEZUIXIAOCHICUN

②FAQIANGTONGLIUXINGSHI。GENJUXUYAO,XUANYONGZHITONGSHIHUOJIAOSHIJIEZHISHI

③FAGANDECHICUN、FATIBIHOUYIJIFAMENGEBUFENCAIZHI

④SHANGMIFENGDEXINGSHI。JINKENENGXUANYONG“0”XINGMIFENGQUANYIJIYOUZHITIANLIAODEJIEZHIFA

⑤FANGFUXINGNENG。FAMENNEIWAIBUSHENGXIU、FUSHI,TEBIESHIJIECHUSHUIDEBUWEIQINGJIEWEISHENG


提示:在水利工程阀门的选用中,根据以上要求选定产品,控制截止阀质量与性能。


2.闸阀的选型

介绍

ZAI100mm<DN<600mmJISHUIGUANWANGZHONG,JINGCHANGSHIYONGDESHICHUANTONGYINGMIFENGZHAFA(Z41T-1.0)

缺陷

GAILEIZHAFACUNZAI“GUANBUYAN、WAILOU、QIBIBULING”DENGQUEXIAN,WEIXIUTEPINFAN。

软密封闸阀特点

SHIXIASHICHANGSHANGDALIANGCHUXIANDEYIZHONGRUANMIFENGZHAFA(YICHENG“DANXINGZUOFENGZHAFA”JIBENSHANGNENGBIMIANZHEIXIEWENTI。


这种软密封闸阀有如下特点:

①DIBUWUCAO,YINERBUHUIYINQIGUANBUYANDEGUZHANG;

②QIFABANZHENGTIBAOFUXIANGJIAO,LIYONGXIANGJIAODEDANXINGTIGAOLEFAMENMIFENGXINGNENG,KEBAOZHENGLINGXIELOU;

③SHANGMIFENGJIEGOUGENGHELI,ZHIZAOJINGDUGAO,CAIYONGDUODAO“O”XINGXIANGJIAOQUANMIFENG,CONGGENBENSHANGJIEJUELECHUANTONGZHAFASHANGYAGAIYIWAIXIEDEXIANXIANG,DUISHUIZHIYEYOUGENBENDEBAOZHENG。


3.蝶阀的选型

缺陷

DIEFAZAIGUANWANGZHONGDESHIYONGCUNZAI“GUANGANGBUYAN、GONGZUOBUKEKAO、WEIXIUPINFAN”DENGXIANXIANG:QIEQISHIYONGSHOUMINGDUAN,YOUDESHIYONG3~5NIANJIUXUZHENGTIGENGHUAN。DANDIEFABITONGGUIGEDEZHAFABIANYI。

蝶阀选型关注的几个问题:


1.中线蝶阀

中线线蝶阀在我国小口径蝶阀中使用量很大,效果也比较好。上海川沪阀门专业生产中线蝶阀电动蝶阀气动蝶阀电动对夹蝶阀气动对夹蝶阀电动硬密封蝶阀等蝶阀产品,在市场上有着光放的应用。


2.立式与卧式蝶阀

ZAIZHONG、DAXINGDIEFAZHONG,FAZHOUCUNZAILISHIYUWOSHIDEQUBIE,TONGCHANGLISHIDIEFADEFUTUJIAOSHEN,SHUIZHONGZAWUHENRONGYICHANRAOZHOUDUAN,YINGXIANGQIBI:WOSHIDIEFADEBIANSUCHUANDONGXIANGZAICEPANG,FAJINGZAIDAOLUSHANGZHANDEPINGMIANWEIZHIJIAOKUAN,YINGXIANGANPAIQITAGUANXIAN。YINCIZAIZHONGXINGZHONGJINGDIEFAYONGLISHIWEIDUO,DAKOUJINGDIEFAZAIPINGXUEWEIZHIXUKEDETIAOJIANXIALIQIUWOSHI。


3.偏心蝶阀

ZHONGXIANDIEFADEQIBILIJUPIANDA,RISHIYONGSHOUMINGDUAN。WEILEJIANQINGZHEIFANGMIANDEQUEDIAN,XUANYONGPIANXINDIEFA。PIANXINDIEFAZAICHENGZAISHUIYASHANGSHIYOUFANGXIANGXINGDE,QIEFANXIANGCHENGYANENGLIJIAORUO,YINCIXUANXINGDINGHUOSHIYINGQIANGDIAOCIXIANGYAOQIU。


4.软密封与金属密封


提示

蝶阀选型时,我们应该考虑以下几个因素

A.DIEFAMIFENGMIANXIANGJIAOQUANCAIZHI、GUDINGFANGSHI

B.ZHONGYAOLINGBUJIANDECHICUN、JINGDU、CAIZHI

C.DIEFADECAOZUOHUANJING

D.JIAGEYINSU

其中,应对密封面材质、固定方式予以特别重视。

4.止回阀的选型

简介

ZHIHUIFAZAIJISHUIXITONGZHONGQIZHESHIJIEZHIDANXIANGLIUDONGDEZUOYONG。

选型考虑

QIXUANXINGSHI,SHOUXIANYAOKAOLVDESHIFATIDETONGLIUMIANJI、MIFENGMIANXINGSHIYIJIFATICAILIAO。QICI,YAOKAOLVSHIZHIHUIFADEJIEGOUXINGSHI,ZAIZHEIYIFANGMIAN,DAJIADEXUANXINGGONGZUORONGYICHUXIANWENTI。


在此,特意提醒➽

1.XUANQISHIZHIHUIFAZAISHUIPINGHECHUIZHIGUANDAOSHANGJUNKEYINGYONG

2.SHENGJIANGSHIZHIHUIFAZHINENGYONGYUSHUIPINGGUANDAOSHANG

水利阀门选型比较

接下来,通过对比,介绍水利工程给水系统常见阀门的选型比较。


闸阀与蝶阀

球阀、旋塞阀与蝶阀

QIUFAJUYOUJIEGOUJIANDAN、LIUZUXIAO、MIFENGKEKAO、DONGZUOLINGHUO,WEIXIUJICAOZUOFANGBIANDENGYOUDIAN。

旋塞阀亦具有类似优点,唯过水面积不是正圆形。球阀及旋塞阀均比蝶阀重,铸造及加工难度大,价格较贵,一般适用于中小口径管道上。近些年由于铸造技术的改进,从而降低了球阀的生产成本。因此,球阀用于大口径管道上的可行性值得探索

中国水利阀门的行业需求


国内现状

CONGGUONEIXIANZHUANGLAIKAN,JICHUSHESHIJIANSHESHIWOGUOJINGJIJIANSHEDEZHONGDIAN,ERSHUILIGONGCHENGJIANSHEBIANDONGYUELAIYUEZHONGYAO。ZHEIJISHUILIGONGCHENGFAMENDEZHIZAOSHANGMENZENGJIALEHENDUODEJIHUI,TONGSHI,QIYEZHIJIANDEJINGZHENGYEZHUJIANDEJIADA。



JINJINIANLAI,GUOJIAJIADAJICHUSHESHIJIANSHETOUZILIDU,SHUILIKONGZHIFADENGFAMENZAINEIDESHUICHULISHEBEIZHIZAOYEYIXINGCHENGQIANGDADECHANYELIAN,WEISHUILIKONGZHIFAMENXINGYEDEFAZHANTIGONGLEJUDADEKONGJIAN。SHUILIFAMENZHIZAOYESHUYUJIXIEGONGCHENGZHIZAO,ERSUIZHEFAZHANZHONGGUOJIADUIZHIHUIFA、KONGZHIFA、HUANBAOYONGFADEXUQIUDEBUDUANZENGJIA,YUJIZAIWEILAIZHEIGEXINGYEHAIYOUHENDADETISHENGKONGJIAN。JUZHONGGUOJIXIEGONGYEXIEHUITONGJI,MUQIANQUANQIUDUIGONGYEFAMENZAINEIDEGELEIFAMENDEZONGXUQIULIANGYUEWEI600YIMEIYUANZUOYOU,QIZHONGJISHUILIKONGZHIFAYUEWEI68.4YIMEIYUAN。


发展趋势

SUIZHEWOGUOCHENGSHIHUABILVBUDUANJIADA、CHENGSHIRENKOUKUAISUZENGZHANG,ZILAISHUICHANGGONGSHUILIANGYIJIWUSHUICHULICHANGWUSHUICHULIGUIMOZHENGZAIZHUBUJIADA,GUANWANGKOUJINGBUDUANZENGJIA,YINCIXUYAODALIANGGELEIDAKOUJING、CHAODAKOUJINGJIPAISHUIFAMEN。



TONGSHI,NARUSHUILIJIBENJIANSHEGUANLIDEGELEIFANGHONG、PAILAO、GUANGAI、GONGPAISHUI、SHUILIFADIAN、SHUITUBAOCHI、SHUIZIYUANBAOHUDENGGONGCHENGDEJIANSHEDUIGELEIDAKOUJING、CHAODAKOUJINGJIPAISHUIFAMENDEXUQIUSHIFENWANGSHENG,DAOZHIMUQIANGUONEIDAKOUJINGHECHAODAKOUJINGJIPAISHUIFAMENCHANNENGCHANLIANGSHANGBUNENGMANZUXIAYOUSHICHANGXUQIUZENGZHANG。


WEILAIJINIAN,WOGUOJIXUJIANGJIAKUAISHISHIHUAIHEZHILIXINSANXIANGGONGCHENGHETAIHU、DONGTINGHU、POYANGHUZONGHEZHILI,TUIJINHUANGHENINGMENGHEDUAN、ZHANGJIANGZHONGXIAYOUHESHIKONGZHIDENGDAJIANGDAHEZHONGDIANHEDUANZHILI,JIA“NANSHUIBEIDIAO”SHIJIGONGCHENGXIANGMUDEKAIZHAN,JIANGBUDUANLADONGGELEIFAMENCHANPINDEXUQIUGUIMO,YOUQISHIDAKOUJINGZHAFA、DAKOUJINGSHUILUNJIJINSHUIDIEFA、TEDAKOUJINGSHUILUNJIJINSHUIQIUFA、TEDAKOUJINGLIULIANGDIAOJIEFAHETEDAKOUJINGZHENKONGFADENGPINZHONG。YOUYUDAKOUJINGHECHAODAKOUJINGFAMENSHENGCHANZAIJISHUHEGONGYISHANGDEYAOQIUYAOYUANGAOYUPUTONGFAMEN,QIDANGECHANPINFUJIAZHIJIAOGAO,ZHEIJIUDUICHANPINSHEJISHUIPINGHEJIAGONGSHUIPINGTICHULEGENGGAODEYAOQIU。


MUQIANGUONEIJISHUZHUANGBEINENGDADAOYAOQIUDEQIYEBUDUO,ERXINGYENEIQITAQIYEDUOSHUYISHENGCHANPUTONGKOUJINGFAMENWEIZHU。CONGZHENGGEXINGYELAIKAN,DAKOUJINGSHUILIKONGZHIFAMENDECHANNENGCHANLIANGJIANGCHENGXIANCHUWENDINGZENGZHANGDEQUSHI。


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