石油(you)化工(gong)用多(duo)回(hui)轉智能(neng)型(xing)閥(fa)門(men)電(dian)動(dong)執(zhi)行(xing)機(ji)構(gou)

壹(yi)、石油(you)化工(gong)用多(duo)回(hui)轉智能(neng)型(xing)閥(fa)門(men)電(dian)動(dong)執(zhi)行(xing)機(ji)構(gou)概(gai)述

DZW調(tiao)節(jie)型(xing)電(dian)動(dong)執(zhi)行(xing)器也(ye)叫DZW調(tiao)節(jie)型(xing)閥(fa)門(men)電(dian)動(dong)裝置或(huo)DZW調(tiao)節(jie)型(xing)電(dian)動(dong)頭(tou)，是(shi)閥(fa)門(men)實現(xian)開(kai)啟、關閉(bi)或(huo)調(tiao)節(jie)控(kong)制的(de)驅(qu)動(dong)設(she)備。Z型(xing)電(dian)裝適用於(yu)閘閥(fa)、截止(zhi)閥(fa)、隔(ge)膜閥(fa)、柱(zhu)塞閥(fa)、節(jie)流(liu)閥(fa)、水閘門(men)等。可用於(yu)明(ming)桿閥(fa)，也(ye)可用於(yu)暗(an)桿閥(fa)。 本(ben)系列電(dian)裝具(ju)有功(gong)能(neng)全(quan)、性能(neng)可靠、控(kong)制(zhi)系統好(hao)、體(ti)積(ji)小(xiao)、重(zhong)量輕、使用維護方便等特點。可對(dui)閥(fa)門(men)實行遠控、集控和(he)自(zi)動(dong)控制。廣泛用於(yu)電(dian)力(li)、冶(ye)金(jin)、石油(you)、化工(gong)、造(zao)紙(zhi)、汙(wu)水(shui)處(chu)理(li)等行(xing)業。

二、石油(you)化工(gong)用多(duo)回(hui)轉智能(neng)型(xing)閥(fa)門(men)電(dian)動(dong)執(zhi)行(xing)機(ji)構(gou)選型(xing)考慮(lv)要點

根據(ju)閥(fa)門(men)類(lei)型(xing)選擇(ze)電(dian)動(dong)執(zhi)行(xing)器閥(fa)門(men)的(de)種(zhong)類(lei)相(xiang)當(dang)多,工(gong)作(zuo)原(yuan)理也(ye)不(bu)太壹(yi)樣(yang),壹(yi)般(ban)以(yi)轉動(dong)閥(fa)板角度,升(sheng)降(jiang)閥(fa)板 等方(fang)式來(lai)實現(xian)啟閉控(kong)制(zhi), 當(dang)與電(dian)動(dong)執(zhi)行(xing)器配(pei)套(tao)時(shi)首(shou)先應(ying)根據(ju)閥(fa)門(men)的(de)類(lei)型(xing)選擇(ze)電(dian)動(dong) 執(zhi)行(xing)器. 

1. 角行程電(dian)動(dong)執(zhi)行(xing)器(轉角<360 度) 電(dian)動(dong)執(zhi)行(xing)器輸(shu)出(chu)軸的(de)轉動(dong)小(xiao)於(yu)壹(yi)周(zhou),即(ji)小(xiao)於(yu) 360 度(du),通常為(wei) 90 度(du)就(jiu)實現(xian)閥(fa) 門(men)的(de)啟閉過(guo)程控制(zhi).此類電(dian)動(dong)執(zhi)行(xing)器根(gen)據(ju)安(an)裝接口(kou)方式(shi)的不(bu)同又分(fen)為(wei)直(zhi)連(lian)式,底(di) 座曲(qu)柄(bing)式兩(liang)種(zhong). 

a)直連(lian)式:是(shi)指(zhi)電(dian)動(dong)執(zhi)行(xing)器輸(shu)出(chu)軸與(yu)閥(fa)桿直連(lian)安(an)裝的形(xing)式. 

b)底座曲(qu)柄(bing)式:是(shi)指(zhi)輸(shu)出(chu)軸(zhou)通過曲(qu)柄(bing)與閥(fa)桿連(lian)接的(de)形式(shi). 此類電(dian)動(dong)執(zhi)行(xing)器適用於(yu)蝶(die)閥(fa),球閥(fa),旋塞(sai)閥(fa)等. 

2. 多回(hui)轉電(dian)動(dong)執(zhi)行(xing)器(轉角>360 度) 電(dian)動(dong)執(zhi)行(xing)器輸(shu)出(chu)軸的(de)轉動(dong)大(da)於壹(yi)周(zhou),即(ji)大(da)於 360 度(du),壹(yi)般(ban)需多圈才能(neng)實現(xian)閥(fa) 門(men)的(de)啟閉過(guo)程控制(zhi). 此類電(dian)動(dong)執(zhi)行(xing)器適用於(yu)閘閥(fa),截止(zhi)閥(fa)等. 

3. 直行(xing)程電(dian)動(dong)執(zhi)行(xing)器(直(zhi)線(xian)運動(dong)) 電(dian)動(dong)執(zhi)行(xing)器輸(shu)出(chu)軸的(de)運動(dong)為(wei)直(zhi)線(xian)運動(dong)式,不(bu)是(shi)轉動(dong)形式. 此類電(dian)動(dong)執(zhi)行(xing)器適用於(yu)單(dan)座調(tiao)節(jie)閥(fa),雙座調(tiao)節(jie)閥(fa)等. 二,根(gen)據(ju)生(sheng)產(chan)工(gong)藝(yi)控(kong)制要求確(que)定(ding)電(dian)動(dong)執(zhi)行(xing)器的(de)控(kong)制模(mo)式 電(dian)動(dong)執(zhi)行(xing)器的(de)控(kong)制模(mo)式壹(yi)般(ban)分(fen)為(wei)開(kai)關(guan)型(xing)(開(kai)環控制)和(he)調(tiao)節(jie)型(xing)(閉環控制) 。