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压力变送器在石膏法脱硫装置中的应用

文章出处:华仁仪表 发表时间:2019-04-06 11:06

 

 

引 言

随着现代工业的迅猛发展,工业尾气脱硫排放已经成为环境保护最重要的课题之一,石膏法脱硫是目前最可靠、有效的处理办法之一。作者于2017年负责中石油公司的2个热电厂超净排放改造工程总承包项目自控设计工作,并于2018 年先后完成了2 个项目共9 套脱硫装置的现场调试。该文结合以上2 个项目,针对压力变送器在石膏法脱硫装置中选型、安装、调试以及问题处理等设计经验进行总结。

一、普通压力变送器

TUOLIUTARUKOUZHIQIANYANDAOGANYANQIYALICELIANGXUANYONGPUTONGYALIBIANSONGQIJIKE,DANXUZAIYICIFAQIANZENGJIAFENCHENFANGDUQUYANGQI,KUODAJUBUQUYAGUANGUANJINGBINGYUYANDAOBAOCHIYIDINGDEANZHUANGJIAJIAO,FANGDUQUYANGQIYINGPEIZHIYASUOKONGQIJINXINGDINGQICHUISAO,ANZHUANGFANGSHIRUTU1 SUOSHI。BUFENXIANGMUTUOLIUZHUANGZHIXUANZEFALANGEMOMIFENGYALIBIANSONGQICELIANGGANYANQIYALI,GAIXUANXINGFANGSHIBUJINSHEBEICHENGBENJIAOGAO,QIEJIAZHUANGYICIFAHOURONGYIZAOCHENGYANHUIDUSAI; RUGUOBUJIAZHUANGYICIFAYUNXINGTOUCHANHOUBUBIANYUCHAIXIEJIANXIU,YINCIBUTUIJIANSHIYONG。

 

FANGDUQUYANGZHUANGZHI

 

二、单法兰隔膜密封压力变送器

澳门足彩 TUOLIUTANEISHIYANQIYALI、SHIHUISHIHESHIGAOJIANGYEGUANDAOYALIDECELIANG,YINGXUANYONGDANFALANSHIGEMOMIFENGYALIBIANSONGQIJINXINGCELIANG,MOPIANJIEKOUFALANYIDN50 WEIYI。KAOLVDAOJIEZHIDEFUSHIXING、MOSHIXING,MOPIANCAIZHITUIJIANXUANZEHASHIHEJIN。

 

澳门足彩 MDSGP180XILIEGEMOMIFENGYALIBIANSONGQI

2、1 SHIYANQIYALICELIANG

CELIANGTUOLIUTANEIDESHIYANQIYALI,ZHUYAOSHICELIANGGECENGCHUWUQIZHIJIANDEQIXIANGYALI,BINGTONGGUOZAIDCS ZHONGJISUANQUANBUCHUWUQIJINCHUDEZONGCHAYAHEGECENGCHUWUQIZHIQIANDECHAYA,YIPANDUANGECENGCHUWUQIDEHUIDUQINGKUANG,KONGZHIGECENGCHUWUQICHONGXISHUIFADESHUNXU。XUYAOTEBIEZHUYIDEWENTI:

澳门足彩 (1) TUOLIUTANEIQIXIANGYALIDUOWEIWEIZHENGYA,XUANYONGDEWEIYABIANSONGQIFALANMOPIANJIBO,WEIXIAOWAILIXINGBIANDOUHUIYINGXIANGBIANSONGQIDECELIANG,YINCIYINGDANGZAIGUANBIYICIFABINGXIEXIAFALANMOPIANHOU,JIANGFALANMOPIANJIXUCHUIZHIYUXISHOUTABIJINXINGBIANSONGQILINGDIANHELIANGCHENGQIANYICAOZUO,YIBIMIANMOPIANZISHENZHONGLIXINGBIANYINGXIANGQIANYIZHUNQUEXING。

澳门足彩 (2) LIXIANGGONGKUANGXIA,CHUWUQICENGJIANYALICELIANGZHIYINGWEIZHUJIDIJIAN。YIWUJISHICHUWUQIWEILI,LIANGJICHUWUQIJIANCHAYAYINGZAI200 Pa ZUOYOU,DANZAIZHUANGZHIYUNXINGZHONGFAXIANBUFENCHUWUQICENGJIANYALICELIANGZHISHUJUWEICHENGZHUJIDIJIANGUILV,FENXIHOUQUERENZAOCHENGGAIXIANXIANGDEYUANYINWEITANEIYANQILIUCHANGFENBUBUJUNYUN,QUYADIANKAIKONGWEIZHIBUJUBEIDAIBIAOXINGSUOZHI,ZAIQUYAKOUCHUTANEIZENGJIAQUYAYANZHANGTANGUANHUODIAOZHENGTANEIDAOLIUBANBUZHI,JIKEJIEJUE。

2、2 SHIHUISHIHESHIGAOJIANGYEYALICELIANG

澳门足彩 TUOLIUZHUANGZHISHIHUISHIHESHIGAOJIANGYEDUOWEIJIANXIEGONGLIAO,JIYIGUABIDUGUAN,YINGJINLIANGSUODUANANZHUANGFALANDUANJIEZHANGDU。YOUYINWEIJIANGYEZHONGDEJIAODAWEIRONGYINGZHIKELIJIYISUNSHANGMOPIAN,XUYAOBUDINGQICHAIXIEFALANMOPIANJIANXIU,WEIFANGBIANJIANXIUYINGZAIFALANMOPIANQIANJIAZHUANGTAOCIQIUXINYICIFA。JIEHEXIANGMUTOUZIQINGKUANG,KESHIDANGSHENGLVESHIHUISHIJIANGYEGONGLIAOBENG、SHIGAOPAICHUBENGDENGHUYOUBEITAIDEJIANDUANGONGZUOWULIAOBENGCHUKOUCHUYICIFA,DAIGONGLIAOJIANXIEQIHUOBEITAIBENGTOUYONGSHI,DUIBIANSONGQIJINXINGJIANXIU。ZAIJIESHENGTAOCIQIUFASHEBEIFEIYONGDETONGSHI,SUODUANLEANZHUANGMANGQU,JIANXIAOLEDUGUANJILV。

 

MDSDP150系列双法兰隔膜密封差压变送器

 

三、双法兰隔膜密封压力变送器

3. 1 TUOLIUXISHOUTAYEWEICELIANG

根据脱硫吸收塔塔内结构、搅拌器布置、介质工况,经济性、可靠性和维护量等具体情况,塔釜石灰石、石膏浆液的液位测量应优先选用双法兰液位变送器

需要特别注意的问题:

澳门足彩 (1)BIANSONGQIYINGSANZHONGRONGYUSHEZHI,BINGZAIDCS XITONGZHONGDUIXINHAOJINXINGSANQUERCHULI。GENJUHJ /T 179—2005《HUODIANCHANGYANQITUOLIUGONGCHENGJISHUGUIFANSHIHUISHI/SHIHUI- SHIGAOFA》DI6. 2. 3. 3 TIAOGUIDING,ZHONGYAOREGONGCELIANGXIANGMUYIBIAOYINGSHUANGZHONGHUOSANZHONGRONGYUSHEZHI。ZAISHIGAOFATUOLIUZHUANGZHIDEZIDONGKONGZHIZHONG,TUOLIUXISHOUTAYEWEIDIBAOSHIXISHOUTAJIAOBANQI、JIANGYEXUNHUANBENG、SHIGAOPAICHUBENGDENGLIANSUOTIAOCHEDEZHONGYAOCHUFATIAOJIAN,ZHIJIEGUANXIDAOZHUANGZHIDETUOLIUXIAOLV、FUCHANPINZHILIANG、SHEBEISHOUMINGHESHENGCHANANQUAN。XISHOUTAJIAOBANQIDEWUTIAOHUIDAOZHITAZHONGJIANGYEJIAOBANBUJUNYUN,BUJINZENGJIALEJIANGYEZHONGXUANZHUOWUCHENJI,HAIYINGXIANGLEYANGHUAFENGJIGURUJIANGYEZHONGDEKONGQIYUJIANGYEDERONGHEXIAOGUO,JIANGDIYALIUSUANGAIXIANGLIUSUANGAIYANGHUAFANYINGXIAOLV,YINGXIANGSHIGAOCHANWUXINGCHENG。TONGSHIHAIJIANJIEZENGJIALEXISHOUTACHUKOUYANQIZHONGDEYANGHANLIANG,DAOZHINOx、SO2DEYANGHANLIANGZHESUANSHUJUCHAOBIAO,XINGCHENGSHANGCHUANHUANBAOCANSHUDEXUJIACHAOBIAO;JIANGYEXUNHUANBENGDEWUTIAOHUIDAOZHITAZHONGJIANGYEXUNHUANPENLINLIANGXIAJIANG,BUJINJIANGDILETANEIPENLINJIANGYEDUISHANGSHENGYANQIZHONGSO2DEBUZHUO,ERQIEYOUKENENGDAOZHIGAOWENYANQIDEREJIAOHUANXIAOLVYANZHONGXIAJIANG,JIASUTADINGCHUWUQICENGBOLILINPIANFANGFUCENGDELAOHUA,SHENZHIDAOZHICHUWUQIWENDUGUOGAOERYINQIHUOZAI。

(2)BIANSONGQIFALANMOPIANCHUYINGSHEZHICHONGXIHUAN。

澳门足彩 YOUYUBIANSONGQIFALANMOPIANANZHUANGYUTAFUCEBISHANG,WEIBIANYUJIANXIUXUZAIFALANMOPIANQIANJIAZHUANGYICIQIUFA,ZHISHIFALANMOPIANCHUYUJIANGYELIUTONGMANGDUAN,SHIHUISHIHESHIGAOJIANGYEJIYIDUNJIZAIMOPIANZHOUWEIBINGGUHUA,YINGXIANGBIANSONGQIDECELIANG。YINCIYINGZAIBIANSONGQIFALANMOPIANYUYICIQIUFAZHIJIANJIAZHUANGCHONGXIHUAN,CHONGXISHUIQIEXIANGMOPIANDINGQICHONGXI,TONGSHIBAOZHENGCHONGXIHUANSS316 YISHANGCAIZHIBINGYOUZUGOUHOUDU,SHIQINENGCHENGSHOUYIDINGZHOUQIDEFUSHIHE

澳门足彩 CHONGXISHUIHUNHEJIANGYEDECHONGSHUA。GENJUXIANGMUJINGYAN,YONGYUJIANGYEYALICELIANGDEFALANYALIBIANSONGQIJINGCHANGCUNZAILINGDIANPIAOYIDEWENTI,YISHEZHICHONGXIHUANDEFALANYALIBIANSONGQI,ZUIZHENGQUEBIANJIEDEDIAOLINGFANGFASHISHOUXIANGUANBIYICIQIUFA,QICIDAKAICHONGXIHUANXIADUANDESIDUHUOPAIWUFA,DAKAICHONGXISHUIFAQINGLIMOPIANPAIJINGJIANGYEHOUGUANBICHONGXISHUIFA,RANHOUDUIBIANSONGQIJINXINGLINGDIANQIANYI,ZUIHOUGUANBICHONGXIHUAN、PAIWUFAHUOHUIZHUANGSIDU,ZHONGXINDAKAIYICIQIUFA,JIANCHACELIANGZHUNQUEXING。

(3)LIYONGYEWEIBIANSONGQIJIANSHIXISHOUTASHIFOUQIPAO。

TUOLIUXISHOUTAYUNXINGGUOCHENGZHONGYOUYUSHOUGONGYISHUIPINZHI、SHIHUISHIPINZHI、YANQICHENGFENDENGDUOZHONGYINSUYINGXIANG,WANGWANGHUIYOUQIPAOXIANXIANG。JIANGYEPAOMOGUODUOBINGGAOYURUKOUYANDAOXIAYANHOU,HUIYANZHONGFUSHIRUKOUYANDAOWEIZUOBOLILINPIANFANGFUDEBUFEN( YIBANRUKOUYANDAOFANGFUCENGZHISHUA3m ZUOYOU)。YOUYUSHUANGFALANYEWEIBIANSONGQIDESHANGFALANQUYAGUANKOUBIAOGAOBIXUDIYUJIANGYEXUNHUANGUANDAODEXIAYAN,YINCIKEYIBAOZHENGBIANSONGQIDEGAO、DIYACEQUYAKOUYIDINGSHIBAOCHIZAISHIJIYEMIANYIXIA。ZAIHEDUI3 TAIBIANSONGQIDUSHUYIZHIXINGHOU,RUGUOBIANSONGQIXIANSHITAFUYEWEIWEIDAOXISHOUTAYILIUKOUBIAOGAO,DANXUNJIANRENYUANFAXIANXISHOUTAYILIUKOUYOUSHAOLIANGJIANGYEYICHU,ZEKEYIPANDUANCISHITANEIYEMIANSHANGYIDUIJIDALIANGJIANGYEPAOMO,YINGZUZHIYUNXINGRENYUANJISHIXIANGTAZHONGJIAZHUXIAOPAOJI。

3、2 SHIHUISHIJIANGYEDIAOPEIGUAN、SHIGAOJIANGYEHUANCHONGGUANMIDUCELIANG

ZHENDUIXUYAOJINGTAIJILIANGJIANGYEMIDUDESHEBEI,XUANYONGSHUANGFALANCHAYABIANSONGQI,LIYONGAJIMIDEYUANLI,JIρ =ΔP/gΔH,QIZHONGSHUANGFALANQUYAKOUJIANJUΔH WEIDINGZHI,GENJUBIANSONGQICELIANGBIANLIANGΔP FANSUANJIANGYEMIDUρ。TUOLIUXISHOUTATAFUJIANGYEYEWEICELIANG,XUZAIFALANMOPIANCHUJIAZHUANGMOPIANCHONGXIHUAN,DINGQICHONGXI。

四、结 语

TONGGUOREDIANCHANG2 GEXIANGMUYALIBIANSONGQIDEDIAOSHIHEWEIHUGONGZUO,QIESHIRENSHIDAOLESHIGAOFATUOLIUZHUANGZHIDEYALIBIANSONGQIZIKONGSHEJIZHONG,ZAIBAOZHENGSHEBEILIANGCHENGHELI、JINGQUEDUDABIAODEQIANTIXIA,ZAISHEJIXUANXINGZHONGZUIXUYAOKAOLVDESHIBIANSONGQIDEFANGDU、FANGMOHEHOUQIWEIHUBIANLIXING,CONGSHENGCHANYUNYINGSHIJIGONGKUANGCHUFA,QUEBAOSHEBEICELIANGZHUNQUEXING,YANZHANGSHIYONGSHOUMING,JINKENENGJIANSHAOCAOZUORENYUANWEIHUGONGZUOLIANG,TIGAOZHUANGZHIDEZIDONGHUACHENGDU。

 

 

此文关键字:压力,变送器,在,石膏,法,脱硫,装置,中的,应用,
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