概述烘幹機廢氣除塵技術的應用
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2026-03-26 10:34:42
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關鍵詞:概述烘幹機廢氣除塵技術的應用
烘hong幹gan機ji廢fei氣qi風feng量liang大da,含han塵chen濃nong度du高gao,水shui分fen大da,露lu點dian高gao,易yi結jie露lu,排pai放fang點dian高gao,汙wu染ran範fan圍wei廣guang,是shi除chu塵chen技ji術shu的de難nan點dian。烘hong幹gan機ji尾wei部bu廢fei氣qi與yu各ge廠chang工gong藝yi條tiao件jian有you關guan,個ge別bie企qi業ye用yong於yu多duo處chu材cai料liao的de烘hong幹gan,生sheng產chan變bian化hua大da,開kai停ting機ji頻pin繁fan,波bo動dong範fan圍wei大da,再zai則ze,用yong煤mei作烘幹熱源,廢氣中的硫的氧化物對金屬結構件有腐蝕作用,給除塵器的選用帶來一定的困難。
旋風除塵技術
旋xuan風feng除chu塵chen技ji術shu具ju有you設she備bei費fei用yong低di,可ke處chu理li高gao溫wen氣qi體ti,操cao作zuo容rong易yi,適shi合he含han塵chen濃nong度du高gao的de氣qi體ti的de特te點dian。其qi工gong作zuo原yuan理li是shi在zai風feng機ji的de作zuo用yong下xia,含han塵chen氣qi流liu由you進jin口kou以yi較jiao高gao的de速su度du沿yan切qie線xian方fang向xiang進jin入ru除chu塵chen器qi蝸wo殼ke內nei,自zi上shang而er下xia作zuo螺luo旋xuan形xing旋xuan轉zhuan運yun動dong,塵chen粒li在zai離li心xin力li的de作zuo用yong下xia,被bei甩shuai向xiang外wai壁bi,並bing沿yan壁bi麵mian下xia旋xuan,隨sui著zhe圓yuan錐zhui體ti的de收shou縮suo而er轉zhuan向xiang軸zhou心xin,受shou下xia部bu阻zu力li而er返fan回hui,沿yan軸zhou心xin由you下xia而er上shang螺luo形xing旋xuan轉zhuan經jing芯xin管guan排pai出chu。外wai壁bi的de塵chen粒li在zai重zhong力li和he向xiang下xia運yun動dong的de氣qi流liu帶dai動dong下xia,沿yan壁bi麵mian落luo入ru灰hui鬥dou,達da到dao除chu塵chen的de目mu的de。由you於yu旋xuan風feng除chu塵chen器qi是shi依yi靠kao塵chen粒li慣guan性xing分fen離li,除chu塵chen效xiao率lv與yu粒li徑jing成cheng正zheng比bi,粒li徑jing大da除chu塵chen效xiao果guo好hao;粒徑小,除塵效果差,一般處理20微米以上的粉塵,除塵效率在70%~90%。
袋除塵技術
袋除塵器穩定、高效,維護簡單,運行可靠是大家公認的,它對顆粒0.1微米含塵氣體,除塵效率可高達99%,hongganjifeiqichuchenxuanyongdaichuchenqibuyongkaolvpaifangnongduchaobiaowenti。hongganjikangjieluboxiandaichuchenqishimuqianlixiangdechuchenjinghuashebei。gaishebeicaiyongweijikongzhi,fenshifanchui,dingshiqinghui,bingzhuangyouwendujiancexianshi,chaowenbaojingzhuangzhi,caiyongCW300—FcA抗結露玻纖濾袋,可有效防止濾袋結露,也不會燒壞濾袋。河北太行集團公司直徑3×24米礦渣烘幹機將兩級除塵工藝改為一級LFEF7×358—HSY/H抗結露袋除塵器,經環保部門測定,廢氣量為每小時42621標準立方米,進口含塵濃度為每標準立方米69620毫克,出口含塵濃度為每標準立方米147毫克,達到國家排放標準。不僅提高了產量,又回收了幹料,每年經濟效益達70多duo萬wan元yuan,同tong時shi收shou到dao了le明ming顯xian的de社she會hui效xiao益yi。但dan是shi袋dai除chu塵chen器qi存cun在zai著zhe占zhan地di麵mian積ji大da,投tou資zi高gao的de缺que點dian,隨sui著zhe濾lv袋dai覆fu膜mo技ji術shu的de發fa展zhan,這zhe一yi缺que點dian將jiang得de到dao克ke服fu,使shi用yong將jiang更geng加jia廣guang泛fan。
高壓靜電除塵技術
高壓靜電除塵技術是將50赫茲、220伏交流電變成100千瓦以上直流電加到電暈極(陰極)形xing成cheng不bu均jun勻yun高gao壓ya電dian場chang,使shi氣qi體ti電dian離li產chan生sheng大da量liang的de負fu離li子zi和he電dian子zi,使shi進jin入ru電dian場chang的de氣qi體ti粉fen塵chen荷he電dian,在zai電dian場chang力li的de作zuo用yong下xia,荷he電dian粉fen塵chen趨qu向xiang相xiang反fan的de電dian極ji上shang,一yi般ban陽yang極ji為wei集ji塵chen極ji,依yi靠kao振zhen打da落luo入ru灰hui鬥dou排pai出chu,完wan成cheng淨jing化hua除chu塵chen過guo程cheng。高gao壓ya靜jing電dian除chu塵chen器qi高gao效xiao低di阻zu可ke廣guang泛fan用yong於yu建jian材cai、冶金、化工等行業粉塵汙染場合。它處理粉塵濃度高,對001微米微細或高比電阻粉塵,除塵效果更為明顯,係列產品滿足不同風量的烘幹設備,匹配靈活,適合烘幹機廢氣特性的粉塵治理。
濕法除塵技術
濕shi法fa除chu塵chen技ji術shu是shi含han塵chen氣qi體ti由you引yin風feng機ji通tong過guo風feng管guan送song入ru除chu塵chen塔ta下xia部bu,由you於yu斷duan麵mian變bian大da,流liu速su降jiang低di,並bing且qie粗cu顆ke粒li粉fen塵chen先xian在zai氣qi流liu中zhong沉chen降jiang,較jiao細xi粉fen塵chen隨sui氣qi流liu上shang升sheng,噴pen淋lin下xia來lai水shui珠zhu與yu粉fen塵chen氣qi流liu逆ni向xiang運yun動dong,粉fen塵chen被bei濕shi潤run自zi重zhong不bu斷duan增zeng加jia,在zai重zhong力li作zuo用yong下xia,克ke服fu氣qi流liu的de升sheng力li而er下xia降jiang成cheng泥ni漿jiang水shui,通tong過guo下xia部bu管guan道dao進jin入ru沉chen澱dian池chi,達da到dao除chu塵chen的de目mu的de。泥ni漿jiang水shui一yi般ban經jing過guo2~3級循環沉澱變清水,用泵打入除塵塔內循環使用,不造成二次汙染。該除塵技術正壓操作一般用於黏土的烘幹,多種物(原)料烘幹,回收料易混雜無法利用,並對風葉磨損較大。蘇州水泥廠在直徑2.2×12米黏土烘幹機上使用濕法除塵技術,排放濃度為每標準立方米132haoke,dadaoguojiapaifangbiaozhunguiding。chendianchimeinianqingliyici,shitujingliangshairuku,zuoweishengchanyuanliao。gaichuchenxitongshouchenxiaolvgao,zulidi,wuerciwuran,gongyilinghuo,yunxingkekao,dianhaodi,touzisheng,wujielu,shiyingxingqiang,juyoujiaohaodejingjixiaoyiheshehuixiaoyi。
重力沉降+高壓靜電除塵技術
youchenjiangshihegaoyajingdianzuchengchuchengongyishihanchenfeiqiyouyinfengjijingfengguangaosusongruchenjiangshi,pengzhuangdaoqiangbishang,qiliuzouxianggaibian,shifengsuxunsujiangdi,kelifenchenchenjiang,jingshusongshebeipaichu,weixifenchensuiqiliujinrugaoyajingdianchuchenqidianchang,zailizidelianxuhongjixiaerhedian,feixiangjichenjibeishoujihoupaichu,jinghuahoudeqitiyoufengguanpairudaqi。liangjichuchengongyi,chujichenjiangshijiang40weimiyishangdakelifenchenshouji,jiangdileqitihanchennongdu,youliyutigaogaoyajingdianchuchenqichuchenxiaolv,fengsukedaxie,shebeikexiaoxie,youxiaojiangditouzi。zhejianglanxishuinichangzhijing22×12米(mi)黏(nian)土(tu)烘(hong)幹(gan)機(ji)的(de)除(chu)塵(chen)工(gong)藝(yi),含(han)塵(chen)廢(fei)氣(qi)從(cong)烘(hong)幹(gan)機(ji)尾(wei)罩(zhao)由(you)引(yin)風(feng)機(ji)通(tong)過(guo)風(feng)管(guan)送(song)入(ru)鋼(gang)板(ban)製(zhi)作(zuo)的(de)方(fang)形(xing)沉(chen)降(jiang)室(shi),廢(fei)氣(qi)沉(chen)降(jiang)後(hou)進(jin)入(ru)高(gao)壓(ya)靜(jing)電(dian)除(chu)塵(chen)器(qi),淨(jing)化(hua)後(hou)排(pai)入(ru)大(da)氣(qi)。引(yin)風(feng)機(ji)和(he)沉(chen)降(jiang)室(shi)安(an)裝(zhuang)在(zai)室(shi)內(nei),靜(jing)電(dian)除(chu)塵(chen)器(qi)安(an)裝(zhuang)在(zai)室(shi)外(wai),除(chu)塵(chen)係(xi)統(tong)正(zheng)常(chang)操(cao)作(zuo),使(shi)用(yong)多(duo)年(nian),無(wu)結(jie)露(lu)現(xian)象(xiang),經(jing)環(huan)保(bao)部(bu)門(men)測(ce)定(ding),排(pai)放(fang)濃(nong)度(du)為(wei)每(mei)標(biao)準(zhun)立(li)方(fang)米(mi)48毫克,低於國家排放標準。
旋風+高壓靜電除塵技術
該gai除chu塵chen技ji術shu是shi烘hong幹gan機ji含han塵chen廢fei氣qi由you風feng管guan進jin入ru前qian級ji高gao效xiao旋xuan風feng除chu塵chen器qi進jin行xing預yu除chu塵chen,粉fen塵chen由you灰hui鬥dou經jing排pai灰hui設she備bei排pai出chu,氣qi流liu含han塵chen濃nong度du降jiang低di,然ran後hou進jin入ru高gao壓ya靜jing電dian除chu塵chen器qi的de二er級ji除chu塵chen,淨jing化hua後hou的de氣qi體ti出chu風feng機ji排pai入ru大da氣qi,使shi除chu塵chen效xiao率lv提ti高gao,工gong藝yi靈ling活huo,安an全quan可ke靠kao。
烘hong幹gan機ji廢fei氣qi除chu塵chen技ji術shu的de應ying用yong,不bu僅jin保bao護hu了le環huan境jing,減jian輕qing了le勞lao動dong強qiang度du,還hai提ti高gao了le台tai時shi產chan量liang,減jian少shao了le排pai汙wu費fei的de支zhi出chu,回hui收shou的de粉fen塵chen是shi很hen好hao的de水shui泥ni生sheng產chan原yuan料liao,有you顯xian著zhu的de經jing濟ji效xiao益yi、社會效益和環境效益。
旋風除塵技術
旋xuan風feng除chu塵chen技ji術shu具ju有you設she備bei費fei用yong低di,可ke處chu理li高gao溫wen氣qi體ti,操cao作zuo容rong易yi,適shi合he含han塵chen濃nong度du高gao的de氣qi體ti的de特te點dian。其qi工gong作zuo原yuan理li是shi在zai風feng機ji的de作zuo用yong下xia,含han塵chen氣qi流liu由you進jin口kou以yi較jiao高gao的de速su度du沿yan切qie線xian方fang向xiang進jin入ru除chu塵chen器qi蝸wo殼ke內nei,自zi上shang而er下xia作zuo螺luo旋xuan形xing旋xuan轉zhuan運yun動dong,塵chen粒li在zai離li心xin力li的de作zuo用yong下xia,被bei甩shuai向xiang外wai壁bi,並bing沿yan壁bi麵mian下xia旋xuan,隨sui著zhe圓yuan錐zhui體ti的de收shou縮suo而er轉zhuan向xiang軸zhou心xin,受shou下xia部bu阻zu力li而er返fan回hui,沿yan軸zhou心xin由you下xia而er上shang螺luo形xing旋xuan轉zhuan經jing芯xin管guan排pai出chu。外wai壁bi的de塵chen粒li在zai重zhong力li和he向xiang下xia運yun動dong的de氣qi流liu帶dai動dong下xia,沿yan壁bi麵mian落luo入ru灰hui鬥dou,達da到dao除chu塵chen的de目mu的de。由you於yu旋xuan風feng除chu塵chen器qi是shi依yi靠kao塵chen粒li慣guan性xing分fen離li,除chu塵chen效xiao率lv與yu粒li徑jing成cheng正zheng比bi,粒li徑jing大da除chu塵chen效xiao果guo好hao;粒徑小,除塵效果差,一般處理20微米以上的粉塵,除塵效率在70%~90%。
袋除塵技術
袋除塵器穩定、高效,維護簡單,運行可靠是大家公認的,它對顆粒0.1微米含塵氣體,除塵效率可高達99%,hongganjifeiqichuchenxuanyongdaichuchenqibuyongkaolvpaifangnongduchaobiaowenti。hongganjikangjieluboxiandaichuchenqishimuqianlixiangdechuchenjinghuashebei。gaishebeicaiyongweijikongzhi,fenshifanchui,dingshiqinghui,bingzhuangyouwendujiancexianshi,chaowenbaojingzhuangzhi,caiyongCW300—FcA抗結露玻纖濾袋,可有效防止濾袋結露,也不會燒壞濾袋。河北太行集團公司直徑3×24米礦渣烘幹機將兩級除塵工藝改為一級LFEF7×358—HSY/H抗結露袋除塵器,經環保部門測定,廢氣量為每小時42621標準立方米,進口含塵濃度為每標準立方米69620毫克,出口含塵濃度為每標準立方米147毫克,達到國家排放標準。不僅提高了產量,又回收了幹料,每年經濟效益達70多duo萬wan元yuan,同tong時shi收shou到dao了le明ming顯xian的de社she會hui效xiao益yi。但dan是shi袋dai除chu塵chen器qi存cun在zai著zhe占zhan地di麵mian積ji大da,投tou資zi高gao的de缺que點dian,隨sui著zhe濾lv袋dai覆fu膜mo技ji術shu的de發fa展zhan,這zhe一yi缺que點dian將jiang得de到dao克ke服fu,使shi用yong將jiang更geng加jia廣guang泛fan。
高壓靜電除塵技術
高壓靜電除塵技術是將50赫茲、220伏交流電變成100千瓦以上直流電加到電暈極(陰極)形xing成cheng不bu均jun勻yun高gao壓ya電dian場chang,使shi氣qi體ti電dian離li產chan生sheng大da量liang的de負fu離li子zi和he電dian子zi,使shi進jin入ru電dian場chang的de氣qi體ti粉fen塵chen荷he電dian,在zai電dian場chang力li的de作zuo用yong下xia,荷he電dian粉fen塵chen趨qu向xiang相xiang反fan的de電dian極ji上shang,一yi般ban陽yang極ji為wei集ji塵chen極ji,依yi靠kao振zhen打da落luo入ru灰hui鬥dou排pai出chu,完wan成cheng淨jing化hua除chu塵chen過guo程cheng。高gao壓ya靜jing電dian除chu塵chen器qi高gao效xiao低di阻zu可ke廣guang泛fan用yong於yu建jian材cai、冶金、化工等行業粉塵汙染場合。它處理粉塵濃度高,對001微米微細或高比電阻粉塵,除塵效果更為明顯,係列產品滿足不同風量的烘幹設備,匹配靈活,適合烘幹機廢氣特性的粉塵治理。
濕法除塵技術
濕shi法fa除chu塵chen技ji術shu是shi含han塵chen氣qi體ti由you引yin風feng機ji通tong過guo風feng管guan送song入ru除chu塵chen塔ta下xia部bu,由you於yu斷duan麵mian變bian大da,流liu速su降jiang低di,並bing且qie粗cu顆ke粒li粉fen塵chen先xian在zai氣qi流liu中zhong沉chen降jiang,較jiao細xi粉fen塵chen隨sui氣qi流liu上shang升sheng,噴pen淋lin下xia來lai水shui珠zhu與yu粉fen塵chen氣qi流liu逆ni向xiang運yun動dong,粉fen塵chen被bei濕shi潤run自zi重zhong不bu斷duan增zeng加jia,在zai重zhong力li作zuo用yong下xia,克ke服fu氣qi流liu的de升sheng力li而er下xia降jiang成cheng泥ni漿jiang水shui,通tong過guo下xia部bu管guan道dao進jin入ru沉chen澱dian池chi,達da到dao除chu塵chen的de目mu的de。泥ni漿jiang水shui一yi般ban經jing過guo2~3級循環沉澱變清水,用泵打入除塵塔內循環使用,不造成二次汙染。該除塵技術正壓操作一般用於黏土的烘幹,多種物(原)料烘幹,回收料易混雜無法利用,並對風葉磨損較大。蘇州水泥廠在直徑2.2×12米黏土烘幹機上使用濕法除塵技術,排放濃度為每標準立方米132haoke,dadaoguojiapaifangbiaozhunguiding。chendianchimeinianqingliyici,shitujingliangshairuku,zuoweishengchanyuanliao。gaichuchenxitongshouchenxiaolvgao,zulidi,wuerciwuran,gongyilinghuo,yunxingkekao,dianhaodi,touzisheng,wujielu,shiyingxingqiang,juyoujiaohaodejingjixiaoyiheshehuixiaoyi。
重力沉降+高壓靜電除塵技術
youchenjiangshihegaoyajingdianzuchengchuchengongyishihanchenfeiqiyouyinfengjijingfengguangaosusongruchenjiangshi,pengzhuangdaoqiangbishang,qiliuzouxianggaibian,shifengsuxunsujiangdi,kelifenchenchenjiang,jingshusongshebeipaichu,weixifenchensuiqiliujinrugaoyajingdianchuchenqidianchang,zailizidelianxuhongjixiaerhedian,feixiangjichenjibeishoujihoupaichu,jinghuahoudeqitiyoufengguanpairudaqi。liangjichuchengongyi,chujichenjiangshijiang40weimiyishangdakelifenchenshouji,jiangdileqitihanchennongdu,youliyutigaogaoyajingdianchuchenqichuchenxiaolv,fengsukedaxie,shebeikexiaoxie,youxiaojiangditouzi。zhejianglanxishuinichangzhijing22×12米(mi)黏(nian)土(tu)烘(hong)幹(gan)機(ji)的(de)除(chu)塵(chen)工(gong)藝(yi),含(han)塵(chen)廢(fei)氣(qi)從(cong)烘(hong)幹(gan)機(ji)尾(wei)罩(zhao)由(you)引(yin)風(feng)機(ji)通(tong)過(guo)風(feng)管(guan)送(song)入(ru)鋼(gang)板(ban)製(zhi)作(zuo)的(de)方(fang)形(xing)沉(chen)降(jiang)室(shi),廢(fei)氣(qi)沉(chen)降(jiang)後(hou)進(jin)入(ru)高(gao)壓(ya)靜(jing)電(dian)除(chu)塵(chen)器(qi),淨(jing)化(hua)後(hou)排(pai)入(ru)大(da)氣(qi)。引(yin)風(feng)機(ji)和(he)沉(chen)降(jiang)室(shi)安(an)裝(zhuang)在(zai)室(shi)內(nei),靜(jing)電(dian)除(chu)塵(chen)器(qi)安(an)裝(zhuang)在(zai)室(shi)外(wai),除(chu)塵(chen)係(xi)統(tong)正(zheng)常(chang)操(cao)作(zuo),使(shi)用(yong)多(duo)年(nian),無(wu)結(jie)露(lu)現(xian)象(xiang),經(jing)環(huan)保(bao)部(bu)門(men)測(ce)定(ding),排(pai)放(fang)濃(nong)度(du)為(wei)每(mei)標(biao)準(zhun)立(li)方(fang)米(mi)48毫克,低於國家排放標準。
旋風+高壓靜電除塵技術
該gai除chu塵chen技ji術shu是shi烘hong幹gan機ji含han塵chen廢fei氣qi由you風feng管guan進jin入ru前qian級ji高gao效xiao旋xuan風feng除chu塵chen器qi進jin行xing預yu除chu塵chen,粉fen塵chen由you灰hui鬥dou經jing排pai灰hui設she備bei排pai出chu,氣qi流liu含han塵chen濃nong度du降jiang低di,然ran後hou進jin入ru高gao壓ya靜jing電dian除chu塵chen器qi的de二er級ji除chu塵chen,淨jing化hua後hou的de氣qi體ti出chu風feng機ji排pai入ru大da氣qi,使shi除chu塵chen效xiao率lv提ti高gao,工gong藝yi靈ling活huo,安an全quan可ke靠kao。
烘hong幹gan機ji廢fei氣qi除chu塵chen技ji術shu的de應ying用yong,不bu僅jin保bao護hu了le環huan境jing,減jian輕qing了le勞lao動dong強qiang度du,還hai提ti高gao了le台tai時shi產chan量liang,減jian少shao了le排pai汙wu費fei的de支zhi出chu,回hui收shou的de粉fen塵chen是shi很hen好hao的de水shui泥ni生sheng產chan原yuan料liao,有you顯xian著zhu的de經jing濟ji效xiao益yi、社會效益和環境效益。
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