燒結金屬過濾式除塵技術研究
燃煤增壓流化床部分煤氣聯合循環8,發電技術,即第代PFBCCCjishu,jizhonglexunhuanliuhuachuangzengyaliuhuachuanglianhexunhuanhezhengtimeiqihualianhexunhuandajiejingmeijishudeyoudian,youzhexitongxiangduijiandan,dianzhantouzihedianjiaxiangduijiaodidetedian。zheshixiangtebieshihewoguoguoqingdejiejingmeifadianjishu。fazhanzhezhongjishudeguanjianzhishishixianhanchenmeiqideguolvshichuchenjishu,yimanzuranqilunjiyunxinghehuanjingbaohudeyaoqiu,shimuqianpoqiexuyaojiejuedeguanjianjishu。
燒(shao)結(jie)金(jin)屬(shu)多(duo)孔(kong)材(cai)料(liao)通(tong)過(guo)複(fu)合(he)壓(ya)製(zhi)和(he)真(zhen)空(kong)或(huo)保(bao)護(hu)氣(qi)氛(fen)燒(shao)結(jie)等(deng)工(gong)藝(yi)製(zhi)備(bei)而(er)成(cheng)。具(ju)有(you)良(liang)好(hao)的(de)耐(nai)溫(wen)性(xing)和(he)優(you)良(liang)對(dui)材(cai)料(liao)滲(shen)透(tou)性(xing)能(neng)和(he)機(ji)械(xie)強(qiang)度(du)進(jin)行(xing)合(he)理(li)的(de)匹(pi)配(pei)與(yu)設(she)計(ji)。
燒shao結jie金jin屬shu過guo濾lv器qi的de過guo濾lv機ji製zhi以yi層ceng微wei孔kong和he濾lv餅bing捕bu捉zhuo為wei主zhu,具ju有you優you異yi的de反fan洗xi再zai生sheng特te性xing,可ke以yi長chang期qi反fan複fu使shi用yong,特te別bie適shi應ying於yu係xi統tong連lian續xu化hua運yun行xing和he自zi動dong化hua操cao作zuo等deng先xian進jin過guo濾lv技ji術shu的de發fa展zhan。本ben文wen以yi燒shao結jie金jin屬shu過guo濾lv介jie質zhi為wei對dui象xiang進jin行xing過guo濾lv目mu前qian,以yi剛gang性xing燒shao結jie金jin屬shu微wei孔kong材cai料liao為wei核he心xin的de淨jing化hua分fen離li技ji術shu與yu設she備bei的de開kai發fa應ying用yong,已yi被bei列lie入ru國guo家jia九jiu重zhong點dian科ke技ji成cheng果guo推tui廣guang項xiang目mu,在zai各ge個ge工gong業ye領ling域yu有you著zhe良liang好hao的de應ying用yong前qian景jing和he廣guang闊kuo的de市shi場chang開kai發fa潛qian力li。國guo內nei些xie研yan究jiu單dan位wei,如ru山shan西xi煤mei化hua所suo冶ye金jin部bu鋼gang鐵tie研yan究jiu總zong院yuan等deng開kai展zhan了le這zhe方fang麵mian的de技ji術shu研yan宄gui和he試shi驗yan2.以(yi)往(wang)的(de)研(yan)究(jiu)明(ming)過(guo)濾(lv)速(su)度(du)對(dui)壓(ya)降(jiang)和(he)過(guo)濾(lv)效(xiao)率(lv)有(you)顯(xian)著(zhu)影(ying)響(xiang),但(dan)隨(sui)著(zhe)過(guo)濾(lv)氣(qi)流(liu)量(liang)的(de)增(zeng)大(da),過(guo)濾(lv)速(su)度(du)的(de),加(jia)與(yu)過(guo)濾(lv)壓(ya)降(jiang)過(guo)濾(lv)裝(zhuang)置(zhi)的(de)製(zhi)造(zao)運(yun)行(xing)成(cheng)本(ben)等(deng)因(yin)素(su)產(chan)生(sheng)了(le)矛(mao)盾(dun),需(xu)要(yao)從(cong)其(qi)他(ta)途(tu)徑(jing)改(gai)進(jin)和(he)優(you)化(hua)過(guo)濾(lv)元(yuan)件(jian)。
為了提高金屬過濾器的效率,可以利用以下途徑通過采用高頻或脈衝電暈放電技術提高塵粒的荷電量;或者通過金屬層結構的組合和優化等。顯然第種成本要低,利於推廣。本文著重探討第類情況。
1非均勻的過濾介質近幾年來,國外許多學者對過濾器在積塵情況下擬研究,取得了定的成果61.
傳統的燒結金屬過濾器有它的限製,如普通不鏽鋼金屬層般厚度為3mm左zuo右you,由you此ci產chan生sheng了le相xiang當dang大da的de壓ya降jiang,並bing且qie降jiang低di了le過guo濾lv器qi反fan吹chui清qing洗xi的de效xiao率lv。雖sui然ran金jin屬shu層ceng需xu要yao定ding的de厚hou度du保bao證zheng足zu夠gou的de機ji械xie強qiang度du,但dan對dui於yu顆ke粒li的de除chu塵chen沒mei有you太tai大da的de意yi義yi,研yan究jiu己ji發fa現xian含han塵chen氣qi體ti的de過guo濾lv分fen離li主zhu要yao發fa生sheng在zai過guo濾lv介jie質zhi的de層ceng。相xiang對dui於yu傳chuan統tong均jun勻yun燒shao結jie金jin屬shu介jie質zhi,不bu均jun勻yun處chu理li的de燒shao結jie金jin屬shu層ceng對dui於yu過guo濾lv有you明ming顯xian過guo濾lv器qi的de壽shou命ming。
cengbijiaozhimidehuoxingjinshuguolvceng,zheshitongguodingdeshaojiegongyiyongtongyangdejinshuzhichengde,duiyumianguolvjiezhi,jinmilvyajiangmingxianjiangdile,yeyiweizhefanchuiqingxihuixiangduirongyixie。
對於過濾機理的進步認識有助於不斷提高過濾器的性能。
相關新聞
Copyright © 2021 鄂州市中天環保設備有限公司 版權所有
鄂ICP備2021006181號 網站建設:中企動力 武漢二分
郵箱聯係