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zhaiyao:tongguoduidiandongzhafafazuoquanduihanhejinrongyizaochengbianxingdefenxi,gaijinleduihanhejiagonggongyi,tigaolejiagongxiaolvhechanpinzhiliang。

關鍵詞閘閥堆焊合金

1 電動閘閥結構

電動閘閥是石化重催裝置上用于通斷煙氣介質的關鍵閥門,它具有長壽命、低維護費用,流通阻力小、耐高溫、抗沖刷、抗磨損、高硬度等優點,它的特點是寬密封圈、帶蒸汽密封環形槽的特殊密封面和唇形密封,見圖 1。

電動閘閥閥座圈圖(圖 1)
圖 1(1.填料函 2.閥板 3.閥體Ⅰ 4.密封圈 5.閥板 6.閥體Ⅱ 7.上閥蓋 8.下閥蓋)

2 電動閘閥座圈的原工藝

gaifatidefazuoquandewaixingchicunjiaoda,houdu 75.3mm,qiezhongjianyuankongjiaoda,wei φ1200mm,zongchangduchaoguo 2500mm,shuyudianxingdegangxingjiaocha、yibianxinggongjian。fazuoquanjiticailiaowei zg1cr18ni9ti,huanxingmifengmianjidaoguibuweiduihandui 802 yingzhihejin,rutu 2 suoshi(tuheibufenweiduihanhejinchu)。yiqianyibananzhaoyixiagongyijinxingjiagong:xiancucheshangpingmianjihuanxingduihancao,baodaoguiduihancao,duihan,chuyinglirechuli,xiaoping,jingcheshangxiapingmianjihuanxingmifengmian,baodaogui。

電動閘閥閥座圈堆焊合金示意圖(圖 2)
圖 2

ancigongyijinxingjingchangcunzaiyixiawenti:duihanhou,zuoquanbianxingyanzhong,a、b liangbufenshangqiao,tebieshidaoguiweibu c、d liangbufenshangqiaoyouweiyanzhong,suijingduocixiaoping,dan a、b、c、d xiangduiyingzuoquanbeimiandebufen,changchangjiagongyuliangbuzu。qiejiagongzhichengpinhou,zuoquandaoguiwaiceduihanhejinhoudubuzu,youshishenzhimeiyouhejin;youyugaifayongyucuihualiehuazhuangzhi,qiliutongjiezhiweigaowen、fushixingjiezhi,youyuhejindebuzudaozhizuoquanxingnengdafuxiajiang,yanzhongyingxiangqishiyong,famenshiyongshoumingsuoduan,shenzhidaozhifeipindechuxian。

3 改進后的加工工藝

電動閘閥導軌與閥板配合示意圖(圖 3)
圖 3

tu 3 weidiandongzhafadaoguihefabandepeiheshiyitu,daoguijunweixiexingjiegou,daoguiyuzuoquanzuzhuanghou,xingchengyidaijiaodudekongxi,fabandaoguizaicikongxijianyidong。yaoqiufaguanbihouqifabanyufazuoquanmifengmiandejianxipingjunxiaoyu 0.051mm。cifaweichangkaifa,zhengchangqingkuangxia,meinianguanbibuchaoguo 1 ci,guanbishi,yifangmiankaoliutongjiezhideliliangshifabanyuzuoquantiejin,lingyifangmian,tongguofabanxieren,shifabanyuzuoquandemifengmiantiejin,congerdadaomifengdemude。

gaifamendekaiguanxingchengwei 1300mm,lilunshangzuoquandaoguidegongzuochangdushi1300mm(congfamenzhongxinqi),shijishangzuoquandaoguichufamentongdaokoushouliutongjiezhichongshiwai,qiyubufenzhiqidaoxiangzuoyong,suoyiwomenkeyizaimanzugongkuangyaoqiudeqiantixiajiangzuoquandaoguideduihanbuweisuoduan,shiqichangdudayuhuanxingmifengmiankoujingdeyiban 670mm(congfamenzhongxinqi)jike。

kaolvyishangyuanyin,womendiaozhengjiagonggongyiwei:cuchepingmianjihuanxingduihancao,cuchedaoguiduihanbuwei(cucheturutu 4),huadaoguiduihanweizhixian,duihan,re,xiaoping,jingchehuanxingmifengmian,jingbaodaogui,zaicujiagongjieduanweijinliangzengdagongjiandegangxing,tongshijianshaogongxuzhouzhuan,zuoquanweibuxianbujiagong,jingjiagongwanhuanxingmifengquanjidaoguihou,zaidaoguiyuhuanxingmifengmianjiafengchurengyoudaliangmaopigaochumifengmianjidaogui,xujiangqiquchu,womencaiyongxianjiagong。

電動閘閥閥座圈粗車圖(圖 4)
圖 4

4 結語

jiangmifengmianjidaoguiduihanchutongshichechu,jianshaolegongxuzhouzhuanshijian。daoguiduihanchangdujianxiao,jianshaolehanjiebianxinghexiaopingcishu,gaishanlezuoquandejiagongxingneng。


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