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zhaiyao:chenfusubowenguandiaojiefa,youyufamenjiechujiezhidebuwei(baokuofatineiqiang、faxinfagan)quanbubaochen 2.5 m yishangdejuquanfuyibingxi(daihaowei fep,guoneijiancheng f46,shiyizhonglixiangdenaifushicailiao)yinergaifanaisuanjian、naiqiangfushi,tongshigaifacaiyongsifubowenguanmifeng,jiejuelechuantongtianliaomifengdiaojiefajingchangqiyunxinghoufaganyutianliaomosunerchanshengshenloudetongbing。

關鍵詞襯氟塑耐腐蝕密封

一、考察的前提

錦化化工(集團)有限責任公司是特大型國有氯堿化工企業,1993 年 11 月初首次采用了蘇州東山防腐儀表閥門有限公司(原蘇州吳縣市東山自動化儀表閥門廠)生產的襯氟塑波紋管密封調節閥,用于引進 4 萬噸/年離子膜燒堿上由日本提供的鹽水加鹽酸裝置上和燒堿生產電介工藝路線中的“氯氣干燥室”—氯氣調節閥。以后錦化公司在擴建的 8 萬噸、10 萬噸、12 萬噸/年離子膜燒堿的氯氣和鹽酸系統上陸續選用了六、七十臺襯氟塑波紋管密封調節閥。由于錦化公司選用的襯氟塑波紋管密封調節閥是用于替代進口裝置和氯氣裝置等關鍵部位,使用的要求既要耐腐蝕,又要密封性能好,為了保證本公司對選用該閥的可靠性,以及對我公司用于酸堿等強腐蝕和氯氣介質上的調節閥選用有個定型,為此本文作者于 2002年 10 月對襯氟塑波紋管密封調節閥的生產廠家—蘇州東山防腐儀表閥門有限公司針對生產工藝及產品質量的可靠性作了一次詳情的考察。

二、考察的結果

1、chenfusugongyidexianjinxing,congerbaozhenglechenfusudiaojiefanaifushizhiliangdekekaoxing。chenfusudiaojiefa,naifushidekekaoxingruhe,guanjianshizaichenfusudezhiliang。yinweifusuliaoshiyizhongjihunengdikangsuoyousuan、jiandengqiangfushijiezhidenaifushicailiao,ruhebaochenhaofamenjiechujiezhidemeigebuweidefusuliao,chenfusuliaodegongyijishuzhijieguanxidaozhezhongchenfusufadezhiliang,ruguochenfusugongyizhangwobuhao,chendefusuliaoyouqipao、youkailie,houbobujunyunjiuhuiyingxiangzhezhongchenfusudiaojiefadenaifushixingnengjishiyongshouming,suzhoudongshanfangfuyibiaofamenyouxiangongsitongguozhe 10 duoniandebuduantansuo、gaijin、chuangxin,duichenfusugongyide“wendu、shijian、jiaya”zhesanyaosushangyizhangwoleyizhengtaokexuedeshengchangongyi,tongshi,tamenduigaifaneiqiangdechenfusuzaichenzhiqian,fatineiqiangzaichechuangjiagongshi,chezhichuhuanzhuang“shuixian”yizengqiangchenfusucengdefuzhulihelaogudu。

2、yongkaomobanjiagongfaxin,quebaodiaojiefadeliuliangtexing。suzhoudongshanfangfuyibiaofamenyouxiangongsishengchandechenfusubowenguandiaojiefaqifaxindeshengchanjiagong,yongbuxiugangchezhichengfaxindegujia,zaiyongtezhidemojucaiyonggaoyazhusugongyibaochenfusuliao,ranhouyongjingshanghaigongyezidonghuayanjiusuoliuliangcedingdefaxinkaomobanjinxingchejiagongfaxindequxian,congerquebaodiaojiefadeliuliangtexing。

3、sifubowenguanmifeng,jinaifushi,youjueduimifeng。chenfusudiaojiefacaiyongsifubowenguanmifeng,zheyang,gaifajinaifushi、youjueduidemifeng,zheshiyigechuangxin。xingjiamendouzhidao,changguidiaojiefafaganchutianliaomifengdouyouzhemeyigetongbing,jiushifaganyouyufamendekaiqi、guanbichangshijiandeshang、xiadongzuo,faganyutianliaodemosun,rongyichanshengshenlou,zhezhongshenlou,duiyibanjiezhilaijiangwuaidashi,danduiqiangfushijiezhishangshiyongdefamenqueshiyigezhimingshang,jiezhishenlouchulai,fushifamen,shenzhihuifushiqitayibiaohehuanjing。ruguoshishiyongzailvqidengjudujiezhishangdefamengengshiguanxidaorenyuandeshengminganquan。suzhoudongshanfangfuyibiaofamenyouxiangongsishengchandechenfusubowenguanmifengdiaojiefajinaifushi,youjueduimifeng,zhezhongsifubowenguanshicaiyongsifufenliaoreyachengxinghou,zaiyongdingxingchedaojingcheercheng,yiner,zhezhongchenfusubowenguanmifengdiaojiefa,bujinnengyongyuqiangfushijiezhishang,erqienengyongyujuduqitidengjiezhishang。tongguokaocha,womengandao,suzhoudongshanfangfuyibiaofamenyouxiangongsishengchandechenfusubowenguanmifengdiaojiefajiegoushejiheli,shengchangongyixianjin,zhiliangguanlikekao,gaifajinaifushiyoujueduimifeng,shizhidexinlaihenengguangfantuiguangyingyongdenaifushifamen。

三、幾點啟示

jinhuagongsijingduonianlaiduisuzhoudongshanfangfuyibiaofamenyouxiangongsidechenfusubowenguandiaojiefadexuanyonghebizhetongguoduigaifadeshengchangongyijichanpinzhiliangkekaoxingdekaocha,bizherenwei:jiejueqiangfushijiezhishangshiyongdefamennaifushixingjifamenshenloudenanti,suzhoudongshanfangfuyibiaofamenyouxiangongsikaifashengchandezhezhongchenfusubowenguanmifengdediaojiefa,shitidaijinkoushixianhuagongzhuangbeiguochanhuadechenggongzhiju,youcibizheyouruxiajidianqifa:

1、jirantongguoyongchenfusuliaodegongyi,shifamenjiechujiezhidebuweiquanbubaochenfusuliao,congerjiejuelefamennaisuanjian、naiqiangfushidenanti,tidaileguoqukaojinkou、kaoyongmengnaier、hashihejindengqitagaoniehejincailiaozhizaodefamen,youcilianxiangdaoqitazikongfamen、gongyifamen(ruqiufa、diefadeng)yekejiejianzhefangmiandeshengchangongyi,shichenfusunaifushifamenxingchengxiliehua。kexideshi:bizhedelianxiang,zaizhecidaosuzhoudongshanfangfuyibiaofamenyouxiangongsikaochashi,jihuoxigaigongsizhejinianyizhubuchenggongkaifalechenfusuqieduanfa、chenfusuqiufa、chenfusudiefa(junbaokuoqidongheshoudong)hechenfusujiezhifa。

2、jiranyongchenfusuliaodecailiaobaochenfamenjiechujiezhidebuwei,jiejuefamennaifushideketi,neifusuliaodepaihaohenduo,you ptfe、fep、etfe、ctfe、pfa deng,muqianyongzuofamenchenlideshi fep(f46),danzhezhongpaihaodefusuliaoshiyongdejiezhiwenduzai 150℃ zuoyou,julejie,runengyong pfa paihaodefusuliaochenli,zeshiyongdejiezhiwendukeda 200℃ zuoyou,runengzhenduiyonghugezhongbutongdeshiyongtiaojianyonggezhongpaihaodefusuliaochenli,neifusuliaochenlidenaifushifamenjianghuidedaogengguangfandeyingyong。


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