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焦爐地面除塵站:焦化廠裝煤車、推焦車機側地

發(fa)布時間:2022-06-05人氣:

焦化廠地面除塵站采用布袋除塵器降低了煉焦(jiao)(jiao)爐(lu)生產(chan)(chan)區域(yu)的粉(fen)(fen)塵濃(nong)度(du),凈化了工(gong)人生產(chan)(chan)操作環境,焦(jiao)(jiao)爐(lu)粉(fen)(fen)塵治理達(da)到了煉焦(jiao)(jiao)行業和(he)環保排(pai)放標(biao)準。

焦爐(lu)除塵(chen)器(qi)經過工(gong)藝改(gai)進(jin)后(hou),提高了(le)系統穩定(ding)性和性,沒有發(fa)生任何事故.焦化(hua)廠地面站除塵(chen)器(qi)由(you)于操作控制簡單,延長(chang)了(le)系統設備的使(shi)用(yong)(yong)壽命(ming),特別是布袋使(shi)用(yong)(yong)時(shi)間的延長(chang).該系統使(shi)用(yong)(yong)18個月沒有更換過布袋,實現了(le)經濟運行的目標(biao).焦爐(lu)除塵(chen)器(qi)變頻(pin)技術的成功應用(yong)(yong),既節省了(le)用(yong)(yong)電費(fei)用(yong)(yong),又了(le)系統干(gan)管(guan)吸力的穩定(ding),對整(zheng)個焦化(hua)廠除塵(chen)器(qi)站系統穩定(ding)運行起到(dao)了(le)關鍵(jian)作用(yong)(yong)。

焦(jiao)化(hua)廠機側地面站除塵器(qi)工(gong)藝原理:

焦化廠機(ji)側裝(zhuang)煤(mei)(mei)煙(yan)(yan)(yan)塵(chen)(chen)(chen)(chen)(chen)治理(li)難點(dian)在(zai)于裝(zhuang)煤(mei)(mei)時(shi),發作的(de)煙(yan)(yan)(yan)塵(chen)(chen)(chen)(chen)(chen)很輕且粘(zhan)(zhan)性(xing)(xing)很大,假(jia)如處理(li)不(bu)(bu)當,整(zheng)個(ge)體(ti)(ti)系(xi)不(bu)(bu)能(neng)正常作業(ye)。裝(zhuang)煤(mei)(mei)時(shi)煤(mei)(mei)餅被推(tui)入(ru)(ru)碳(tan)化室(shi),爐頭發作的(de)煙(yan)(yan)(yan)塵(chen)(chen)(chen)(chen)(chen)被大爐門密封在(zai)碳(tan)化室(shi)內,上(shang)部(bu)剩余(yu)煙(yan)(yan)(yan)塵(chen)(chen)(chen)(chen)(chen)進(jin)(jin)(jin)(jin)入(ru)(ru)負壓(ya)情況集氣罩,經(jing)導(dao)煙(yan)(yan)(yan)焚(fen)燒(shao)(shao)(shao)車(che)充(chong)沛焚(fen)燒(shao)(shao)(shao)后(hou)進(jin)(jin)(jin)(jin)入(ru)(ru)地上(shang)除(chu)塵(chen)(chen)(chen)(chen)(chen)站。裝(zhuang)煤(mei)(mei)時(shi)爐頂放(fang)散孔(kong)發作很多的(de)粉性(xing)(xing)煙(yan)(yan)(yan)塵(chen)(chen)(chen)(chen)(chen)進(jin)(jin)(jin)(jin)入(ru)(ru)導(dao)煙(yan)(yan)(yan)焚(fen)燒(shao)(shao)(shao)車(che),1000攝氏度情況下焚(fen)燒(shao)(shao)(shao)去除(chu)苯并芘等粘(zhan)(zhan)性(xing)(xing)物(wu)質,焚(fen)燒(shao)(shao)(shao)后(hou),剩余(yu)煙(yan)(yan)(yan)塵(chen)(chen)(chen)(chen)(chen)進(jin)(jin)(jin)(jin)入(ru)(ru)地上(shang)站除(chu)塵(chen)(chen)(chen)(chen)(chen)站處理(li),煙(yan)(yan)(yan)氣起首進(jin)(jin)(jin)(jin)入(ru)(ru)粘(zhan)(zhan)性(xing)(xing)煙(yan)(yan)(yan)塵(chen)(chen)(chen)(chen)(chen)吸附設(she)備,進(jin)(jin)(jin)(jin)一步去除(chu)粘(zhan)(zhan)性(xing)(xing)殘存物(wu)質,進(jin)(jin)(jin)(jin)入(ru)(ru)預處理(li)器結合預噴涂使(shi)煙(yan)(yan)(yan)塵(chen)(chen)(chen)(chen)(chen)比重添加(jia)(jia),使(shi)之(zhi)沉降,維護布袋,經(jing)袋式(shi)除(chu)塵(chen)(chen)(chen)(chen)(chen)器處理(li)干凈,達(da)標后(hou)排入(ru)(ru)大氣。沉降后(hou)的(de)粉塵(chen)(chen)(chen)(chen)(chen)經(jing)刮板機(ji)搜集。為(wei)避免粉塵(chen)(chen)(chen)(chen)(chen)二次污染(ran),經(jing)加(jia)(jia)濕(shi)卸灰機(ji)加(jia)(jia)濕(shi)后(hou)外(wai)運(yun)。至此,一次出焦和裝(zhuang)煤(mei)(mei)的(de)除(chu)塵(chen)(chen)(chen)(chen)(chen)工藝(yi)(yi)完成(cheng)。新增了設(she)備實時(shi)監(jian)控體(ti)(ti)系(xi),對(dui)(dui)的(de)裝(zhuang)煤(mei)(mei)工藝(yi)(yi)參(can)數完成(cheng)了摹擬量顯(xian)現(xian),對(dui)(dui)導(dao)焦體(ti)(ti)系(xi)也進(jin)(jin)(jin)(jin)行了情況顯(xian)現(xian),完成(cheng)了對(dui)(dui)部(bu)分閥門及除(chu)塵(chen)(chen)(chen)(chen)(chen)設(she)備的(de)長途操(cao)控。添加(jia)(jia)30MPA的(de)氨(an)水體(ti)(ti)系(xi),在(zai)裝(zhuang)煤(mei)(mei)機(ji)側構成(cheng)部(bu)分負壓(ya),裝(zhuang)煤(mei)(mei)機(ji)側冒煙(yan)(yan)(yan)現(xian)象。

 

焦化廠布袋除塵器應用的:

1。焦爐(lu)地上(shang)除塵(chen)站添加陣發(fa)性高(gao)溫煙氣冷(leng)卻別離阻火器

為維(wei)護(hu)(hu)布(bu)袋,添(tian)加焦(jiao)化(hua)爐(lu)除塵體系(xi)的(de)性,在(zai)出(chu)焦(jiao)煙(yan)氣被捕集到(dao)通(tong)風槽,進入除塵器之前,添(tian)加陣發性高溫煙(yan)氣冷卻(que)別離阻火(huo)器,下降煙(yan)氣溫度,添(tian)加體系(xi)的(de)防(fang)護(hu)(hu)功(gong)能。

2。焦(jiao)爐地上(shang)除塵站攔(lan)焦(jiao)車液壓(ya)體系改(gai)造(zao)

選用了(le)大通徑電(dian)磁(ci)閥裝(zhuang)備(bei)液(ye)壓(ya)(ya)站(zhan)(zhan)(zhan),大幅度進步了(le)液(ye)壓(ya)(ya)缸的運轉速度。在液(ye)壓(ya)(ya)站(zhan)(zhan)(zhan)油箱外(wai)添加了(le)液(ye)壓(ya)(ya)油站(zhan)(zhan)(zhan)外(wai)冷卻(que)循(xun)環體(ti)系,下(xia)降(jiang)了(le)液(ye)壓(ya)(ya)站(zhan)(zhan)(zhan)的作業溫(wen)度。更換(huan)了(le)液(ye)壓(ya)(ya)操控體(ti)系的悉數(shu)元件(jian)。針(zhen)對機械限位開關(guan)(guan)觸(chu)壁失靈的現(xian)象,使用了(le)磁(ci)挨近開關(guan)(guan)作為限位,并(bing)對室外(wai)線纜進行了(le)處理。因為工藝的不同(tong),液(ye)壓(ya)(ya)站(zhan)(zhan)(zhan)方位由爐頂(ding)改至第三(san)軌外(wai)側,下(xia)降(jiang)了(le)紅焦對液(ye)壓(ya)(ya)站(zhan)(zhan)(zhan)的烘烤。

3。焦爐地(di)面除塵站預(yu)噴(pen)(pen)涂、排灰、噴(pen)(pen)吹體系改造(zao)

改(gai)造后(hou)裝煤(mei)煙氣(qi)不(bu)再進(jin)入地(di)上站,因(yin)而預噴(pen)(pen)涂體(ti)系失掉(diao)作用(yong)(yong)(yong),預噴(pen)(pen)涂體(ti)系所存在(zai)(zai)(zai)的問(wen)題都(dou)不(bu)存在(zai)(zai)(zai)了(le)(le)(le)(le)(le)。脈沖噴(pen)(pen)吹閥選(xuan)用(yong)(yong)(yong)了(le)(le)(le)(le)(le)產品,增大(da)了(le)(le)(le)(le)(le)壓縮(suo)空(kong)氣(qi)管(guan)(guan)徑,進(jin)步了(le)(le)(le)(le)(le)噴(pen)(pen)吹設(she)備的作業(ye)安(an)穩(wen)性,改(gai)進(jin)了(le)(le)(le)(le)(le)噴(pen)(pen)吹作用(yong)(yong)(yong)。箱體(ti)雙層排灰(hui)(hui)閥電磁閥悉數選(xuan)用(yong)(yong)(yong)產品,在(zai)(zai)(zai)試運轉期間(jian)作業(ye)安(an)穩(wen)。將原CaCO3粉(fen)噴(pen)(pen)涂料(liao)改(gai)為導焦粉(fen)噴(pen)(pen)涂,選(xuan)用(yong)(yong)(yong)雙管(guan)(guan)路(lu)多點噴(pen)(pen)涂,在(zai)(zai)(zai)原有一(yi)條噴(pen)(pen)吹管(guan)(guan)路(lu)的基礎(chu)上新增一(yi)條噴(pen)(pen)吹管(guan)(guan)路(lu)。依托出焦風機高速時發作的負壓,將焦粉(fen)吸至(zhi)裝煤(mei)除塵倉的下(xia)(xia)灰(hui)(hui)口處與裝煤(mei)灰(hui)(hui)粉(fen)進(jin)行混合(he),添加灰(hui)(hui)粉(fen)的流(liu)動(dong)性,以(yi)利于下(xia)(xia)灰(hui)(hui)。經過實際(ji)運轉,作用(yong)(yong)(yong)比較(jiao)明顯,下(xia)(xia)灰(hui)(hui)口處基本無積(ji)灰(hui)(hui)現象,灰(hui)(hui)料(liao)能夠地(di)排到(dao)刮板(ban)機內,了(le)(le)(le)(le)(le)可(ke)燃(ran)物排到(dao)倉外,了(le)(le)(le)(le)(le)碳在(zai)(zai)(zai)倉內發作氧(yang)化反響,了(le)(le)(le)(le)(le)倉內著火(huo)的可(ke)能性。

4。焦爐(lu)地(di)上除塵站(zhan)增設獨立裝煤除塵設備

這套焦(jiao)爐除(chu)塵(chen)器的灰(hui)料助卸選用了(le)新型的超聲波清灰(hui)設備,能夠(gou)地鏟(chan)除(chu)布袋及倉(cang)內壁表(biao)(biao)面的灰(hui)料。添加了(le)汽(qi)水(shui)換(huan)熱設備,在(zai)除(chu)塵(chen)倉(cang)表(biao)(biao)面進行了(le)保溫(wen)處理,用熱水(shui)介質(zhi)對除(chu)塵(chen)器進行保溫(wen)處理,避(bi)免了(le)含水(shui)量較高的裝(zhuang)煤煙(yan)氣(qi)在(zai)除(chu)塵(chen)倉(cang)內分(fen)出水(shui)分(fen),避(bi)免煙(yan)灰(hui)在(zai)倉(cang)內板結,增(zeng)強(qiang)了(le)煙(yan)灰(hui)的流動(dong)性。

5。焦爐(lu)地上(shang)除塵站(zhan)新增會集光(guang)滑體(ti)系

地上(shang)(shang)(shang)除(chu)塵站(zhan)加(jia)(jia)油點(dian)(dian)很多,除(chu)個(ge)別加(jia)(jia)油點(dian)(dian)外,選用人工加(jia)(jia)油功率低(di),操作不方便(bian),所以(yi)地上(shang)(shang)(shang)站(zhan)選用了會集光滑(hua)方法,對絕大多數光滑(hua)點(dian)(dian)進行會集加(jia)(jia)油。包(bao)含雙層排灰閥閥桿兩頭軸(zhou)承(cheng),刮板機(ji)前后鏈輪兩頭軸(zhou)承(cheng)共88個(ge)光滑(hua)點(dian)(dian)。運轉期(qi)間各(ge)加(jia)(jia)油點(dian)(dian)出(chu)油均勻,光滑(hua)杰(jie)出(chu),了焦(jiao)爐除(chu)塵器(qi)地上(shang)(shang)(shang)站(zhan)設備的安穩(wen)運轉。

6。焦爐地上(shang)除塵站新增實時監控體系(xi)

新增了(le)對焦爐地上除塵(chen)站設(she)備(bei)實時(shi)監控(kong)體系,對的裝煤工藝參數完成(cheng)了(le)模擬量顯(xian)現,對導(dao)焦體系也進行(xing)了(le)情況(kuang)顯(xian)現,完成(cheng)了(le)對部(bu)分閥門及設(she)備(bei)的長途操控(kong)。

 

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