金屬鎂主要用來生產鋁合金、煉鋼脫硫、壓ya鑄zhu生sheng產chan,在zai現xian代dai化hua建jian設she中zhong充chong當dang較jiao重zhong要yao的de金jin屬shu材cai質zhi之zhi一yi。製zhi造zao鎂mei工gong藝yi相xiang當dang複fu雜za,經jing金jin屬shu鎂mei回hui轉zhuan窯yao燒shao結jie煆duan燒shao是shi其qi關guan鍵jian工gong序xu。不bu過guo由you於yu連lian續xu工gong作zuo,金jin屬shu鎂mei回hui轉zhuan窯yao托tuo輪lun軸zhou會hui經jing常chang性xing斷duan裂lie,給gei生sheng產chan帶dai來lai諸zhu多duo麻ma煩fan。
不過較近小編采訪了一些在回轉窯域yu比bi較jiao有you權quan威wei性xing的de人ren士shi,他ta們men都dou有you著zhe多duo年nian的de實shi踐jian經jing驗yan,針zhen對dui金jin屬shu鎂mei回hui轉zhuan窯yao托tuo輪lun軸zhou斷duan裂lie原yuan因yin及ji應ying對dui方fang案an胸xiong有you成cheng竹zhu。本ben章zhang對dui采cai訪fang內nei容rong做zuo了le整zheng理li,總zong結jie如ru下xia。
金(jin)屬(shu)鎂(mei)回(hui)轉(zhuan)窯(yao)托(tuo)輪(lun)軸(zhou)軸(zhou)端(duan)斷(duan)裂(lie)故(gu)障(zhang)的(de)發(fa)生(sheng)具(ju)備(bei)一(yi)定(ding)的(de)規(gui)律(lv),為(wei)了(le)及(ji)時(shi)的(de)發(fa)現(xian)故(gu)障(zhang),進(jin)行(xing)定(ding)期(qi)的(de)大(da)檢(jian)修(xiu)是(shi)必(bi)要(yao)的(de)。因(yin)此(ci),需(xu)要(yao)對(dui)金(jin)屬(shu)鎂(mei)回(hui)轉(zhuan)窯(yao)的(de)下(xia)沉(chen)結(jie)直(zhi)線(xian)度(du)展(zhan)開(kai)檢(jian)測(ce)分(fen)析(xi),進(jin)行(xing)托(tuo)輪(lun)組(zu)異(yi)常(chang)情(qing)況(kuang)的(de)分(fen)析(xi)。一(yi)般(ban)來(lai)說(shuo)金(jin)屬(shu)鎂(mei)回(hui)轉(zhuan)窯(yao)托(tuo)輪(lun)的(de)負(fu)荷(he)情(qing)況(kuang)是(shi)有(you)一(yi)定(ding)規(gui)律(lv)的(de),其(qi)一(yi)擋(dang)托(tuo)輪(lun)組(zu)負(fu)荷(he)較(jiao)大(da),然(ran)後(hou)是(shi)二(er)檔(dang)、三san檔dang的de托tuo輪lun組zu,第di四si檔dang托tuo輪lun組zu較jiao小xiao。有you時shi候hou斷duan裂lie故gu障zhang的de發fa生sheng是shi毫hao無wu征zheng兆zhao的de,在zai其qi生sheng產chan時shi狀zhuang態tai良liang好hao,並bing沒mei有you什shen麼me停ting機ji或huo者zhe停ting電dian的de故gu障zhang。在zai這zhe種zhong情qing況kuang下xia,如ru果guo金jin屬shu鎂mei回hui轉zhuan窯yao托tuo輪lun軸zhou端duan發fa生sheng斷duan裂lie可ke以yi判pan斷duan受shou荷he載zai增zeng加jia而er斷duan裂lie的de可ke能neng性xing。為wei了le更geng好hao的de進jin行xing托tuo輪lun軸zhou斷duan裂lie的de原yuan因yin的de調tiao差cha,有you必bi要yao打da開kai軸zhou承cheng座zuo,對dui斷duan裂lie的de軸zhou端duan進jin行xing認ren真zhen檢jian查zha。
在zai托tuo輪lun軸zhou斷duan裂lie環huan節jie分fen析xi過guo程cheng中zhong,受shou到dao其qi生sheng產chan任ren務wu及ji其qi現xian實shi其qi它ta原yuan因yin的de影ying響xiang,其qi設she備bei故gu障zhang發fa生sheng幾ji天tian後hou才cai進jin行xing了le停ting機ji的de安an全quan,適shi當dang的de調tiao整zheng了le托tuo輪lun等deng設she備bei,使shi其qi能neng夠gou有you效xiao的de運yun作zuo。在zai該gai環huan節jie中zhong,進jin行xing適shi當dang檢jian修xiu時shi間jian控kong製zhi是shi必bi要yao的de,進jin行xing軸zhou承cheng座zuo的de拆chai開kai,確que保bao斷duan裂lie的de軸zhou段duan的de取qu出chu,而er後hou將jiang對dui認ren真zhen的de清qing洗xi,再zai進jin行xing認ren真zhen的de觀guan察cha,如ru果guo端duan麵mian出chu現xian較jiao多duo區qu域yu的de粗cu糙cao性xing,而er且qie較jiao暗an的de區qu域yu顏yan色se,其qi是shi一yi種zhong疲pi勞lao斷duan裂lie情qing況kuang,造zao成cheng這zhe種zhong現xian象xiang的de很hen可ke能neng是shi托tuo輪lun軸zhou旋xuan轉zhuan引yin起qi的de情qing況kuang,由you於yu托tuo輪lun軸zhou旋xuan轉zhuan及ji上shang下xia遊you動dong產chan生sheng的de交jiao變bian負fu荷he,在zai托tuo輪lun軸zhou的de薄bo弱ruo部bu位wei產chan生sheng了le微wei細xi裂lie紋wen,然ran後hou逐zhu步bu擴kuo展zhan至zhi斷duan裂lie。
為wei了le滿man足zu生sheng產chan工gong作zuo的de需xu要yao,進jin行xing托tuo輪lun軸zhou的de修xiu複fu是shi必bi要yao的de,這zhe就jiu需xu要yao展zhan開kai不bu同tong應ying用yong方fang案an的de探tan討tao,進jin行xing多duo種zhong方fang案an的de探tan究jiu,以yi保bao證zheng其qi有you效xiao運yun行xing,確que保bao其qi配pei件jian的de及ji時shi更geng換huan,在zai這zhe種zhong情qing況kuang下xia如ru果guo不bu能neng進jin行xing更geng換huan托tuo輪lun軸zhou對dui於yu金jin屬shu鎂mei回hui轉zhuan窯yao的de運yun行xing是shi非fei常chang不bu利li的de。這zhe就jiu需xu要yao進jin行xing液ye壓ya擋dang輪lun的de控kong製zhi,進jin行xing軸zhou承cheng座zuo位wei置zhi的de優you化hua,保bao證zheng托tuo輪lun軸zhou上shang端duan受shou力li的de控kong製zhi,實shi現xian金jin屬shu鎂mei回hui轉zhuan窯yao上shang下xia活huo動dong的de協xie調tiao性xing。保bao證zheng第di四si擋dang組zu托tuo輪lun形xing式shi的de調tiao整zheng,進jin行xing托tuo輪lun的de增zeng加jia,實shi現xian輪lun帶dai的de磨mo損sun情qing況kuang的de控kong製zhi,保bao證zheng設she備bei功gong率lv消xiao耗hao的de控kong製zhi。
第2種方案是準備一個新軸端並將其與現在的托輪軸焊接。這樣,雖然配件費用會降低,不需要采購托輪及托輪軸,但同樣存在如下問題:先需要將現在的托輪及托輪軸拆下來加工;其次,對托輪及托輪軸端麵進行加工需要大型的加工設備。考慮到這些因素,金屬鎂回轉窯托輪軸修複的時間可能需要15天左右。
除(chu)了(le)上(shang)述(shu)兩(liang)種(zhong)方(fang)案(an),還(hai)有(you)一(yi)種(zhong)方(fang)案(an)是(shi)進(jin)行(xing)現(xian)場(chang)的(de)焊(han)接(jie),保(bao)證(zheng)斷(duan)裂(lie)的(de)軸(zhou)端(duan)與(yu)托(tuo)端(duan)軸(zhou)的(de)聯(lian)係(xi),實(shi)現(xian)其(qi)費(fei)用(yong)的(de)控(kong)製(zhi),保(bao)證(zheng)檢(jian)修(xiu)時(shi)間(jian)的(de)控(kong)製(zhi),從(cong)而(er)優(you)化(hua)其(qi)現(xian)場(chang)焊(han)接(jie)的(de)質(zhi)量(liang)。在(zai)軸(zhou)端(duan)應(ying)用(yong)過(guo)程(cheng)中(zhong),一(yi)般(ban)選(xuan)用(yong)45haogang,zaiqihanjieguochengzhong,xuyaoliyonghaohanjiegongyi,jinxinghanjiezhiliangdetisheng,ruguoxianchangdetiaojianbunengbaozhenghanjiegongzuodezhengchangkaizhan,jiuxuyaojinxinghanjiezhunbeigongzuodekaizhan,huozhecaiquqitadeyingyongfangan,yimanzujinshumeihuizhuanyaorichangshengchangongzuodexuyao。cizhouduanliebuweidezhoujingwei300mm,坡口不好開,而且焊接後軸的表麵粗糙度不易處理,不利於擋圈等其他零部件的裝配。
第4zhongfanganshizaixianchangyongluoshuanjiangduanliedezhouduanyutuoduanzhoulianjiechengyiti,binggenjuqishouzaiqingkuangxuanzeheshideluoshuanjiqishuliang。zheyangfeiyongkaizhixiao,jianxiushijianduan,xiaohaocailiaoshao。cifangandenandianzaiyuzhengquegeichuzhouduansuoshoufuhe。genjujutiqingkuang,jiaojuedingcaiyongdi4種方案。
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