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布袋式除尘器的设计制造与安装调试

发布日期:2019-06-27 23:01    关键字:

  BUDAISHICHUCHENQIYIQISHIYONGKEKAO、SHOUCHENXIAOLVGAO、WEIHUFANGBIAN、KEZAIXIANJIANXIUDENGYOUDIANYUELAIYUEGUANGFANDIYONGYUSHUINIGONGYE。RANERYAOXIANGCHONGFENFAHUIBUDAISHOUCHENQIDEZUOYONGDADAOWANMEIDESHIYONGXIAOGUO、YEBUSHIYIJIANJIANDANDESHI,XUYAOCONGSHEJI、XUANXING、ZHIZAO、ANZHUANG、DIAOSHIYIJISHENGCHANDENGGEGEHUANJIEQUWANSHANTA。YUTAIHUANBAOJINIANCONGSHIBUDAISHOUCHENQIDESHEJI、ZHIZAO、ANZHUANG、DIAOSHIJISHENGCHANZHONGDEJINGYANZUOJIANYAOJIESHAO。

1 FENLEIYUXUANXING

  GENJUQINGHUIFANGSHIDEBUTONG,BUDAISHOUCHENQIDAZHIYOUDANJIMAICHONGPENCHUIQINGHUI、QIXIANGMAICHONGQINGHUI、FANCHUIFENGQINGHUIJIDABUDAIMAICHONGQINGHUIJIZHONGXINGSHI。GENJUQINGHUIDETONGSHILVDAISHIFOUZAICHULIHANCHENQITI,YOUFENZAIXIANQINGHUISHOUCHENQIHELIXIANQINGHUISHOUCHENQI。ZHEIJIZHONGBUDAISHOUCHENQIMUQIANDOUZAIDALIANGSHIYONG,ZHISHIYIBANHUIGENJUBUTONGDESHIYONGCHANGSUOJINXINGHELIDEXUANYONG。

  DANJIMAICHONGPENCHUIQINGHUIBUDAISHOUCHENQIYIBANSHIYONGZAICHULIFENGLIANGBIJIAOXIAO(MEIXIAOSHICHULIFENGLIANGDAGAIZAIJIQIANLIFANGMI),HUOZHEKONGJIANSHOUXIANZHIMEIYOUZUKONGJIANHUANDAILONGDEDIFANG,CIZHONGSHOUCHENQIZHIYOUYIGESHISHUYUZAIXIANQINGHUI。

  气箱脉冲喷吹清灰收尘器结构紧凑、性价比高,于它只有1~2个907彩票开户,清灰能力有限,所以它的滤袋长度一般设计在2.5m左右,它可以适用从每小时除理几千立方米到几十万立方米左右的风量情况。现在这种除尘器壳体一般都设计为3~6m左右的钢板,壳体都为焊接件。在设计和制造安装时都必须考虑焊接变形问题;特别花板与壳体的焊接,焊接产生的热应力超过了壳体的钢性必然会将花棋逢对手拉变形,在设计时要考虑增加壳体钢性;同时花板也常采用折边设计,焊接时使用惰性气体保护焊减少焊热应力等,从而保证收尘器的壳体与花板的平整度,在安装滤袋与袋笼时才能保直向下、各自不会干涉;使收尘器有足够的使用寿命。

  ZAISHUINICHANGDEGEZHONGXIALIAOSHOUCHENDIANCHU,BIRUPIDAIJIRULIAODIANCHUCHANGYONGDEJIUSHIDANJIMAICHONGPENCHUIYUQIXIANGMAICHONGZHEILIANGZHONGJINCOUXINGDEDAISHOUCHENQI。ZHEIXIECHANGSUODESHOUCHENQIXUANXINGSHIYIDINGYAOZHUYI,YANGCHENLIANGBUJINGENSHUSONGWULIAOLIANGYOUGUAN,HAIGENWULIAOZHONGFENCHENHANLIANGYOUGUAN,WULIAOFENCHENHANLIANGYUEDUOYUEGANZAO,YAOQIUSHOUCHENQICHULINENGLIJIUYOUYUEDA。SHOUCHENXIAOGUODEHAOHUAITONGSHIHAIGENXIALIAOZILUOCHADASHI,JIUKAOLVSHEJIHUANCHONGBAN、DAOLIUBANDENGYIJIANSHAOYANGCHEN,TONGSHIDAOLIAOCAOMIFENGXIAOGUOYAOHAOBINGQIEYOUZUGOUDEZHANGDU,YIBIANSHOUCHENPAIDUIZOUDEQITIZHUYAOSHIYANGCHENERBUSHIGANJINGDEDAQI。DUIYUYONGYITAIBUDAISHOUCHENQITONGSHIDUIDUOGESHOUCHENDIANJINXINGSHOUCHENDEQINGKUANG;YIDINGYAOKAOLVGUANLUPINGHENGDEWENTI,QITITONGGUOGUANLUSHICHANSHENGDEZULIYUGUANJINGDAXIAO,GUANLUZHANGDUJIGUANLUXINGZHUANGDOUYOUGUAN,YIDINGYAOBAOZHENGGEGESHOUCHENDIANCHUJUNYOUZUGOUDEFENGLIANGGEFENGYACAINENGDADAOLIXIANGYOUSHOUCHENXIAOGUO。

  MUQIANZAISHUINICHANGYAOTOU,YAOWEIYIJISHUINIMOFEIQICHULIXITONG,ZHEIXIEMEIXIAOSHICHULIFENGLIANGDAJISHIWANLIFANGMIDAOJIBAIWANLIFANGMIDECHANGSUO,GUANGFANCAIYONGDABUDAIMAICHONGQINGHUIDAISHOUCHENQI,CHANGYONG160mm×6mZUOYOUGUIGEDEDABUDAI,QINGHUISHIYASUOKONGQITONGGUOYIGESANYINGCUNDEMAICHONGFAJINGYIGENSANYINGCUNDEPENCHUIGUANTONGSHIDUIERSHITIAOZUOYOUDELVDAIJINXINGMAICHONGPENCHUIQINGHUI,YIGENPENCHUIGUANSHANGDUIYINGMEIYITIAOLVDAIZHONGXINYOUYIGEPENCHUIXIAOKONG,TONGGUODUIMAICHONGPENCHUIGUANLUXITONGDEYOUHUASHEJIKEYISHIPENCHUIDAOLVDAIDIBUDEYASUOKONGQIYALIBAOCHIZAI2000paZUOYOU,ZHEIYANGJINENGYOUXIAOQINGHUIYOUNENGJIANSHAODUILVDAIDESUNHAI,CONGERTIGAOLVDAISHIYONGSHOUMING,JIANGDISHEBEIWEIHUCHENGBEN。

  DUIDASHOUCHENQILAISHUO,WEIFANGBIANDUISHOUXIALAIDEFENCHENJINXINGYUNSHUCHULI,YIBANDOUSHEZHIZAILOUMIANSHANG,ZHEIYANGSHOUCHENQIZHITUIYUMAILUOSHUANJICHUZAILOUMIANXIASHIBUBIANYUTUJIANSHIGONGDE。DUIYUCHULIQITIWENDUJIAOGAODESHOUCHENQIDEHUIDOUXIAFANGOSHEJIPENGZHANGJIE,YINZHEIHUIDOUSHOUREPENGZHANGHOU,RUGUOTAYOUREYINGLIMEIYOUKONGJIANRANGTASHIFANGDEHUA,TAJIANGHUIYIBIANXINGDOUDONGDEFANGSHILAISHIFANG,ZHEIYANGSHOUCHENQIHUIJULIEZHENDONG,YIFANGMIANSUNHUAISHOUCHENQI,LINGYIFANGMIANCHANSHENGZAOSHENG,DUIHUANJINGCHANSHENGLINGYIZHONGWURAN。DANGSHOUCHENQICHUKOUSHEJIWEIXINGXINGXIEHUIFASHI,OZAIQISHANGDUANJIAYIGESHOUDONGZHAFA,YIBIANJIANXIUXINGXINGXIEHUIFASHINENGXIANJIANGHUIDOUZHONGDELIAOGUANQILAI,DANGRANDUIYUSHEJILEHUIDOURUFENGKOUFAMENDEYEYAOTONGSHIGUANSHANGZANSHITINGYONGGAISHI,FANGZHIHUIDOUJIEHUIGUODUO,DUIYUHUIDOUXIAFALANKOU,TAYAOCHENGZAIXIABUYUQILIANJIEDELINGBUJIANDEBUSHAOZHONGLIANG,SHEJISHIYINGBAOZHENGTAYOUZUGOUDEQIANGDUBUHUICHANSHENGBIANXING。DUIYUHUIDOUCHUKOUSHEJIWEISHUANGFANBANFADE,OJIANGHUIDOUSHANGDEJIANCHAMENKAISHEWEIYULIXIAFALANKOUGAOYIXIE,FANGZHIYUNXINGSHICICHUWANGWAIDIAOHUI。DANGHUIDOURUFENGKOUCHUSHEJIYOUZUFENGBAN(YONGYUZUZHIHANCHENQITIZHONGDUOSHUFENCHENZHIJIESHANGSHENGDAOLVDAIBIAOMIAN,ERRANGHUICHENDIAORUYAOHUIDOUNEIDEZHUANGZHI)SHI,OBUYAOYOUSHUIPINGBANQINGKUANG,FOUZEDANGFENCHENSHIDUGUODAHUIDAOZHIDIAOZAISHUIPINGBANSHANGDEHUICHENCHUXIANBANJIE,CONGERDAOZHIZAISHUIPINGBANYULVDAIWEIJIANDEJULIBUGOU,XINGCHENGWULIAOZIYOUXIAHUAXIUZHIJIAO,OZHONGZAICICHUCHUXIANDUILIAOGUOGAOXIANXIANG,ZHEIHUIYAOMAICHONGPENGUANQINGHUISHIMOSUNLVDAI。TONGYANGZAICONGJINFENGYANDAODAOHUIDOUDEWANGUANCHUYEYINGSHEJIYOUZUGOUDEXIALIAOPODU,FANGZHIWULIAOZAICICHUZHANJIEXINGCHENGDUSAI。DASHOUCHENQIDEZHITUIYIBANDOUYOUSHEJIYOUXIECHENG,JIANGGEZHITUILIANCHENGYIGEZHENGTI,YIGUODAOZUGOUQIANGDUYUWENDINGXINGDEYAOQIU。CONGFANGBIANANZHUANGDIAOZHENGDEJIAODUKAOLV,ZHEIXIEXIECHENGYULIZHUDELIANJIEYINGSHEJIWEILUOSHUANLIANJIE,ZAIDIAOZHENGJIANCEANZHUANGDAOWEIHOUZAIJIANGQIHANJIE。DUIYUSHEJIWEIHUIDOUQUANLIANGYIZHIJIAOYUZHITUIHANJIEGUDING,QIYUSANZHIJIAOYUZHITUIWEIKEHUADONGDEQINGKUANGSHI,MEIXIANGLINZHITUIJIANYINGSHEJIYOUXIECHENG,YINWEICISHIDEQUANLIANGBINGMEICHUYOUJIANGZHITUILIANCHENGYIGEZHENGTI,ZHINENGKAOXIECHENGLAIWANCHENGZHEIGERENWU。

  对于目前经常所见的布袋除尘器顶部检查门的密封设计还有待不断改进。有的收尘器采用在净气顶部就将5mm左右的壳体钢板折弯形成门框,在检查门卡上橡胶,在壳体上焊接螺杆,再有压板将检查门压在门框上,这种结构由于门框刚性差,在制作和安装时就已经很大有变形,很难与检查形状吻合,密封不严,同时经日晒雨淋等作用,螺杆螺母很快锈蚀卡死,非常不方便开启,顶盖更严重的是在顶部有雨水时负压会将雨水拉入收尘器,若时离线清灰,收尘器还会好一些,一般从顶盖进去有雨水会被直接拉到废气风气中废气烟囱徘入大气,清灰是该室提升阀关闭不产生负压就不会有雨水被拉入,而对于在线清灰的收尘器,在脉冲喷吹清灰的同时该室仍然处于负压,将会从顶部检查门拉入的部分雨水喷吹到滤袋里边,当收尘器不断清灰的时候就会将雨水不断吹入滤袋,当水分达到一定程度的时候就会产生糊袋的问题。现在有的公司采用 钢焊到净气室壳体上作为门框,可以减少变形,同时用楔形块压紧检查门,但需注意,由于净气室在拉气时处于负压,清灰时处于正压,检查门会预见现一松一紧的现象,楔形块没有自锁性能,会 渐松动,造成密封不严,针对这种情况,可以采取在楔形块上选择倒合适位置开孔穿上销子的方法防止松动。

2 BUDAISHOUCHENQIDEANZHUANG

  一台设计O、制作良好的布袋除尘器要过到O终完好的使用效果,还必须要有良好的安装质量,特别对需要在现场大量组对后安装的大收尘器的安装要求更高。现在布袋收尘器壳体之间采用螺栓联接形式,结果此处密封效果不好,从外面惨漏进入收尘器的气体流速较快,很快就将滤袋磨损。现在采用先用螺栓将花板与滤袋室及净气室壳体之间联接起来,再将花板分别与滤袋室及净气室壳体周边满焊,这样既能解决焊接变形保证花板有水平度,又能保证良好密封效果,安装时要保证焊接件的强度要求和气密性要求,同时要控制好变形错位等,以过到支腿、壳体的 直度要求和花板接触良好,且要将滤袋封合处背离风道口方向安装,这样可以减少滤袋的磨损,保证使用寿命。安装滤袋时,要使其竖直向下,在无法竖直的地方可以用与除尘布袋同一材质的小块状滤布垫在袋笼与花板接触处,以达到这一要求。安装质量需要用严格的检查来鉴定,对于设备安装的 直度,水平度。可以用经纬仪,水平仪及吊线锤等检查,壳体气密性可用液体渗透法检查,对于滤袋的安装质量及完好情况的鉴定,可用从收尘器起进风口端投萤光粉,开启废气风机,将萤光粉拉入收尘器,在拉风一定时间后将收尘器停下来,打开顶部检查门进行检查,此时也可对进入出风烟道对烟道斜隔板的气密性进行检查。

3 DIAOSHIYUWEIHU

  SHEBEIDEDIAOSHIYUSHISHENGCHANDUIBUDAICHUCHENQIJINHOUDESHIYONGXIAOGUOYESHIYOUHENDADEYINGXIANGDE。ZAIMAICHONGFAHETISHENGFADONGZUOZHIQIAN,BIXUJIANGGUANLUZHONGDEHUICHEN、HANZHADENGGEZHONGZAWUQINGCHUGANJING,FOUZEGAOYADEYASUOKONGQIDAIZHEZAWUPENDAZAIMAICHONGFAMOPIANSHANGHUIJIANGQIDAHUAI。BUTONGXINGSHIDEBUDAISHOUCHENQI,DUIYASUOKONGQIDEYAOQIUSHIBUYIYANGDE,BIRUDABUDAIMAICHONGQINGHUIDAISHOUCHENQIYALIZAI 0.2~0.5MpaZUOYOU,QIXIANGMAICHONGQINGHUIDAISHOUCHENQIYALIZAI0.3~0.7MpaZUOYOU,BINGQIEZAIBUTONGSHIYONGSHIQIYALIYEXUDIAOZHENG,OZHONGDEMUDIANSHIZAIBAOHUXITONGZHENGCHANGGONGZUODETONGSHIYOUYOUBAOZHENGSHIYONGSHOUMING.DUIYUXINLVDAI,YIKAISHIBUYAOKAIDONGMAIYICHONGQINGHUI,YAORANGFENCHENJINRUDAOLVDAILIMIANQUYIXINGCHENGYIZHONGGUOLVCENG,YIFANGMIANQIDAOJIANXIAOLVDAIJIANGEYIDADAOPAIFANGNONGDUDEYAOQIU, LINGYIFANGMIANQIDAOBAOHUCENGZUOYONG,BAOZHENGLVDAISHIYONGSHOUMING,DANGSHOUCHENQIYACHADADAOSHEJIZHIQINHOUZAIZHENGCHANGKAIQIMAICHONGPENCHUIQINGHUICHENGXU。

  SHEBEIHEZHENGCHANGSHIYONGHEWEIHU,GENGSHIBAOZHENGBUDAISHOUCHENQILIANGHAOSHIYONGXIAOGUOBUKESHAODE.SHENGCHANZHONGYAOYANGEDEANYAOQIUKONGZHIFANGKOUQITIDEWENDUHESHIDU,JISHIZHANGWOXITONGQINGKUANG,JISHOUCHENQISHEDINGOJIADEYUNXINGCANSHU,BINGZUOHAOGEFANGMIANDEWEIHU。

4 DUICHUKOUBUDAISHICHUCHENQIDEJIANYI

  XIANZAI,WOGUODEBUDAISHOUCHENQIJISHUHEZHUANGBEIYIJINGDAJINOSHICHANG,EROSHICHANGDUIXIJIEYOUHUAHERENXINGHUASHEJIYAOQIUGENGGAO.BIRULOUTIJIAODUBUYAOCHAOGUO45DU,MEIGEFAMENDOUYAOYOUYINGWENDEKAIGUANBIAOJI,MEIGECAOZUOJIANDOUYAOYOUCAOZUOJIJIANXIUPINGTAI,JIANXIUPINGTAIYAOTONGYIYONGGANGGEBANDENGDAI.DANGRAN,ZAIGAOBIAOZHUNYANYAOQIUXIAWOMENYUOJIEGUI,KEYIRANGWOMENDEJISHUYUZHUANGBEISHUIPINGGENGSHANGYIGETAIJIE。

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