瀏覽次數:
大(da)多(duo)數(shu)鬥(dou)提(ti)機(ji)的(de)底(di)部(bu)從(cong)動(dong)軸(zhou)的(de)密(mi)封(feng)性(xing)的(de)確(que)保(bao)主(zhu)要(yao)是(shi)通(tong)過(guo)填(tian)料(liao)密(mi)封(feng)結(jie)構(gou)來(lai)實(shi)現(xian)的(de)。百(bai)盛(sheng)機(ji)械(xie)通(tong)過(guo)對(dui)使(shi)用(yong)情(qing)況(kuang)的(de)長(chang)期(qi)研(yan)究(jiu)和(he)觀(guan)察(cha)得(de)知(zhi),就(jiu)算(suan)使(shi)用(yong)新(xin)填(tian)料(liao)及(ji)從(cong)動(dong)輪(lun),在(zai)工(gong)作(zuo)一(yi)段(duan)時(shi)間(jian)後(hou),提(ti)升(sheng)機(ji)的(de)從(cong)動(dong)軸(zhou)密(mi)封(feng)處(chu)也(ye)會(hui)不(bu)同(tong)程(cheng)度(du)的(de)出(chu)現(xian)礦(kuang)粉(fen)向(xiang)外(wai)泄(xie)漏(lou)的(de)現(xian)象(xiang)。因為鬥提機底部大多安放在地坑中,並且沒有條件優越的通風設備,導致礦粉和材料大量分散於空氣中。一方麵造成了操作工人的身體健康威脅;另ling一yi方fang麵mian將jiang在zai很hen大da程cheng度du上shang增zeng加jia操cao作zuo人ren員yuan每mei天tian清qing理li泄xie露lu的de礦kuang粉fen和he材cai料liao的de勞lao動dong量liang。此ci外wai,由you於yu礦kuang粉fen不bu能neng夠gou及ji時shi排pai放fang,將jiang給gei設she備bei操cao作zuo和he檢jian修xiu人ren員yuan帶dai來lai不bu同tong程cheng度du的de安an全quan威wei脅xie。所suo以yi,企qi業ye需xu要yao重zhong視shi對dui鬥dou提ti機ji密mi封feng結jie構gou的de技ji術shu改gai造zao工gong作zuo的de進jin行xing。

1、對礦粉和材料泄漏的分析
鬥dou提ti機ji在zai運yun行xing的de過guo程cheng中zhong,提ti升sheng機ji內nei的de諸zhu多duo料liao鬥dou均jun按an照zhao特te定ding的de速su度du由you裏li而er外wai將jiang底di部bu的de礦kuang粉fen和he材cai料liao裝zhuang進jin鬥dou中zhong,在zai進jin行xing裝zhuang料liao操cao作zuo時shi料liao鬥dou一yi直zhi處chu於yu擠ji壓ya礦kuang粉fen和he材cai料liao的de狀zhuang態tai,有you時shi候hou還hai出chu現xian擠ji壓ya機ji殼ke壁bi的de現xian象xiang。處chu於yu確que保bao料liao鬥dou裝zhuang料liao的de連lian續xu性xing以yi及ji能neng夠gou裝zhuang滿man的de目mu的de,需xu要yao具ju備bei規gui定ding高gao度du的de礦kuang粉fen層ceng或huo者zhe材cai料liao層ceng,從cong而er確que保bao提ti升sheng機ji的de從cong動dong軸zhou一yi直zhi處chu在zai礦kuang粉fen或huo者zhe材cai料liao的de保bao護hu和he埋mai藏zang中zhong。處chu於yu擠ji壓ya狀zhuang態tai的de礦kuang粉fen和he材cai料liao持chi續xu的de流liu進jin機ji殼ke壁bi兩liang側ce的de填tian料liao盒he中zhong。考kao慮lv到dao填tian料liao需xu要yao按an照zhao特te定ding的de作zuo用yong力li固gu定ding軸zhou的de表biao麵mian並bing確que保bao其qi處chu於yu穩wen定ding狀zhuang態tai,將jiang不bu同tong程cheng度du的de造zao成cheng轉zhuan動dong的de軸zhou頸jing部bu位wei礦kuang粉fen的de磨mo損sun,進jin而er導dao致zhi軸zhou和he填tian料liao之zhi間jian空kong隙xi的de出chu現xian,使shi得de礦kuang粉fen和he材cai料liao由you被bei磨mo損sun的de軸zhou頸jing處chu漏lou出chu。又you因yin為wei礦kuang粉fen和he材cai料liao所suo遭zao受shou的de擠ji壓ya多duo半ban是shi持chi續xu進jin行xing的de,導dao致zhi了le礦kuang粉fen和he材cai料liao會hui持chi續xu的de隨sui著zhe轉zhuan動dong的de從cong動dong軸zhou由you密mi封feng處chu泄xie漏lou。
2、原密封結構和使用情況分析
對原密封結構和使用情況的分析主要涉及以下幾個內容:,填tian料liao密mi封feng性xing能neng的de優you劣lie在zai很hen大da程cheng度du上shang決jue定ding於yu所suo選xuan的de調tiao料liao種zhong類lei,此ci外wai還hai受shou到dao填tian料liao的de圈quan數shu的de製zhi約yue。通tong常chang情qing況kuang下xia,盡jin管guan圈quan數shu多duo的de具ju備bei較jiao好hao的de密mi封feng性xing能neng,然ran而er由you於yu存cun在zai著zhe較jiao長chang的de其qi密mi封feng結jie構gou,考kao慮lv到dao填tian料liao盒he是shi涉she及ji在zai機ji殼ke外wai部bu的de,並bing且qie外wai側ce還hai存cun在zai有you軸zhou承cheng座zuo,嚴yan重zhong影ying響xiang現xian場chang檢jian修xiu的de效xiao率lv的de提ti升sheng。第di二er,壓ya緊jin的de填tian料liao在zai軸zhou向xiang方fang向xiang上shang的de受shou力li往wang往wang是shi不bu一yi致zhi的de,表biao現xian為wei靠kao近jin壓ya蓋gai端duan的de受shou力li更geng大da,且qie這zhe個ge位wei置zhi的de填tian料liao抱bao軸zhou緊jin,進jin而er比bi較jiao容rong易yi發fa生sheng軸zhou頸jing的de快kuai速su磨mo損sun;disan,zaijinxingzhuangtianliaocaozuodeguochengzhong,ruguoyagaiyadetaijinjiangzaochengyanzhongdezhoumosunxianxiangdechuxian,erjiaosongyouhennanfuhemifengxiaoguodeyaoqiu。yincizaibawoyagaideyajinchengdushangcunzaizhejiaodadewentihenandu,tongchangqingkuangxia,chuyubimianxieloudemude,huijinliangkongzhiyagaichuyupianjinzhuangtai;第di四si,在zai軸zhou存cun在zai些xie許xu磨mo損sun之zhi後hou,受shou到dao擠ji壓ya的de礦kuang粉fen將jiang會hui由you磨mo損sun處chu漏lou出chu,在zai這zhe種zhong情qing況kuang下xia需xu要yao通tong過guo合he理li的de壓ya緊jin壓ya蓋gai的de方fang式shi完wan成cheng對dui填tian料liao的de擠ji壓ya,進jin而er避bi免mian其qi泄xie露lu,這zhe在zai很hen大da程cheng度du上shang將jiang導dao致zhi對dui軸zhou的de磨mo損sun程cheng度du的de不bu斷duan加jia大da;第di五wu,填tian料liao密mi封feng結jie構gou所suo具ju備bei的de一yi個ge較jiao為wei明ming顯xian的de弊bi端duan是shi礦kuang粉fen要yao與yu軸zhou表biao麵mian產chan生sheng直zhi接jie接jie觸chu且qie在zai軸zhou轉zhuan動dong的de情qing況kuang下xia產chan生sheng相xiang互hu的de摩mo擦ca。因yin為wei某mou些xie材cai料liao或huo者zhe礦kuang粉fen比bi較jiao堅jian硬ying,比bi較jiao容rong易yi導dao致zhi從cong動dong軸zhou提ti前qian報bao廢fei。由you上shang述shu分fen析xi可ke以yi總zong結jie出chu,就jiu輸shu送song一yi些xie礦kuang粉fen類lei的de物wu質zhi而er言yan,通tong過guo填tian料liao密mi封feng結jie構gou所suo達da到dao的de密mi封feng效xiao果guo並bing不bu理li想xiang。在zai使shi用yong一yi段duan時shi間jian之zhi後hou便bian出chu現xian不bu同tong程cheng度du的de泄xie漏lou現xian象xiang,這zhe在zai很hen大da程cheng度du上shang可ke以yi說shuo明ming軸zhou已yi經jing受shou到dao了le不bu同tong程cheng度du的de磨mo損sun,導dao致zhi隻zhi能neng借jie助zhu持chi續xu更geng換huan填tian料liao及ji調tiao整zheng壓ya蓋gai的de鬆song緊jin程cheng度du來lai確que保bao密mi封feng性xing,這zhe種zhong做zuo法fa是shi有you失shi科ke學xue的de,因yin為wei其qi是shi把ba從cong動dong軸zhou的de磨mo損sun作zuo為wei代dai價jia來lai完wan成cheng密mi封feng礦kuang粉fen的de效xiao果guo的de。
3、對新密封結構設計
3.1設計思路
由you於yu需xu要yao輸shu送song的de礦kuang粉fen和he材cai料liao均jun屬shu於yu顆ke粒li較jiao細xi小xiao的de類lei型xing,並bing都dou是shi由you於yu礦kuang粉fen被bei擠ji壓ya及ji從cong動dong軸zhou存cun在zai些xie許xu磨mo損sun而er導dao致zhi泄xie漏lou現xian象xiang的de出chu現xian。所suo以yi,在zai對dui新xin密mi封feng結jie構gou進jin行xing設she計ji的de過guo程cheng中zhong需xu要yao考kao慮lv一yi下xia幾ji個ge方fang麵mian的de因yin素su:,盡更大可能減少和避免對軸頸周圍的礦粉的擠壓,進而確保礦粉不具備或者具備較小的沿軸向至機殼移動的動力;第二,盡量降低礦粉和軸密封麵接觸的機會,有效的避免軸的磨損;第三,當密封結構得到改進之後將變得更加簡單,還需要去滿足已有的安裝空間及密封效果的要求。
3.2新密封結構所具備的特征
kaolvdaotianliaomifengjiegoujubeidebiduanjicongdongzhoumifengjiegouxuanxingsuocunzaidebukexuexing,tongguoduidangqianguoneisuojiezhudezhuduoxingshidemifengjiegoudeyanjiu,ciwai,haicanzhaoduicailiaodexuanzehejixiejiagongnanyichengdudeng。xinmifengjiegousuojubeideyoudianzhuyaobaokuo:,確保結構的緊湊性,特別是處理軸向空間較小的場合的過程中,能夠得到較為方便簡捷的安裝使用;第二,新密封結構比較簡單,並且在很大程度上有助於對機械的加工;第di三san,壓ya蓋gai需xu要yao借jie助zhu緊jin定ding螺luo釘ding來lai實shi現xian隨sui軸zhou轉zhuan動dong,壓ya盞zhan中zhong的de填tian料liao和he從cong動dong軸zhou表biao麵mian發fa生sheng接jie觸chu,此ci時shi他ta們men均jun處chu在zai相xiang對dui靜jing止zhi狀zhuang態tai。在zai礦kuang粉fen或huo者zhe材cai料liao滲shen入ru壓ya蓋gai之zhi後hou,需xu要yao借jie助zhu填tian料liao和he軸zhou之zhi間jian的de間jian隙xi才cai能neng夠gou流liu出chu,考kao慮lv到dao軸zhou和he填tian料liao間jian並bing沒mei有you交jiao明ming顯xian的de相xiang對dui運yun動dong,因yin此ci礦kuang粉fen或huo者zhe材cai料liao不bu能neng從cong空kong隙xi中zhong流liu出chu,進jin而er軸zhou表biao麵mian不bu會hui受shou到dao礦kuang粉fen或huo者zhe材cai料liao的de磨mo損sun;第(di)四(si),壓(ya)蓋(gai)和(he)填(tian)料(liao)盒(he)間(jian)的(de)填(tian)料(liao)的(de)壓(ya)緊(jin)程(cheng)度(du)需(xu)要(yao)借(jie)助(zhu)緊(jin)定(ding)螺(luo)釘(ding)來(lai)實(shi)現(xian)對(dui)其(qi)進(jin)行(xing)較(jiao)為(wei)方(fang)便(bian)簡(jian)捷(jie)的(de)調(tiao)整(zheng),進(jin)而(er)礦(kuang)粉(fen)或(huo)者(zhe)材(cai)料(liao)在(zai)外(wai)泄(xie)的(de)過(guo)程(cheng)中(zhong),僅(jin)會(hui)出(chu)現(xian)槽(cao)麵(mian)以(yi)及(ji)填(tian)料(liao)間(jian)的(de)些(xie)許(xu)磨(mo)損(sun),其(qi)他(ta)位(wei)置(zhi)不(bu)會(hui)產(chan)生(sheng)較(jiao)大(da)磨(mo)損(sun)現(xian)象(xiang);第(di)五(wu),壓(ya)蓋(gai)的(de)螺(luo)旋(xuan)部(bu)分(fen)安(an)裝(zhuang)在(zai)填(tian)料(liao)盒(he)的(de)圓(yuan)筒(tong)端(duan)中(zhong),在(zai)壓(ya)蓋(gai)隨(sui)軸(zhou)轉(zhuan)動(dong)的(de)情(qing)況(kuang)下(xia),能(neng)夠(gou)把(ba)擠(ji)入(ru)螺(luo)旋(xuan)的(de)礦(kuang)粉(fen)或(huo)者(zhe)材(cai)料(liao)朝(chao)反(fan)方(fang)向(xiang)拋(pao)出(chu),在(zai)此(ci)過(guo)程(cheng)中(zhong)僅(jin)僅(jin)有(you)較(jiao)少(shao)的(de)礦(kuang)粉(fen)或(huo)者(zhe)材(cai)料(liao)由(you)螺(luo)旋(xuan)流(liu)進(jin)填(tian)料(liao)處(chu),這(zhe)樣(yang)在(zai)很(hen)大(da)程(cheng)度(du)上(shang)能(neng)夠(gou)確(que)保(bao)外(wai)泄(xie)的(de)礦(kuang)粉(fen)或(huo)者(zhe)材(cai)料(liao)的(de)數(shu)量(liang)的(de)有(you)效(xiao)縮(suo)減(jian)。經(jing)過(guo)兩(liang)年(nian)的(de)使(shi)用(yong)證(zheng)實(shi),新(xin)密(mi)封(feng)結(jie)構(gou)僅(jin)僅(jin)造(zao)成(cheng)部(bu)分(fen)礦(kuang)粉(fen)或(huo)者(zhe)材(cai)料(liao)的(de)外(wai)泄(xie),從(cong)來(lai)未(wei)發(fa)生(sheng)過(guo)礦(kuang)粉(fen)或(huo)者(zhe)材(cai)料(liao)漫(man)天(tian)飛(fei)舞(wu)的(de)現(xian)象(xiang),從(cong)很(hen)大(da)程(cheng)度(du)上(shang)來(lai)說(shuo)實(shi)現(xian)了(le)對(dui)其(qi)的(de)設(she)計(ji)要(yao)求(qiu)。
4、經濟效益分析
4.1降低勞動量
在實現對鬥提機的密封結構的改造之後,徹底擺脫了以往的頻繁更換填料(約6次/年)和從動軸(約3次/年)的現象。這在很大程度上降低了操作人員和檢修人員的勞動量,進而達到了節約經費的效果。
4.2減少維修費用
在未實現對鬥提機的密封結構的改造之前,每年需要更換3個從動軸、6個填料盒和20ml加(jia)油(you)潤(run)滑(hua)設(she)備(bei),進(jin)而(er)在(zai)很(hen)大(da)程(cheng)度(du)上(shang)將(jiang)造(zao)成(cheng)由(you)於(yu)漏(lou)油(you)而(er)汙(wu)染(ran)物(wu)料(liao)的(de)現(xian)象(xiang)的(de)出(chu)現(xian)。因(yin)為(wei)那(na)個(ge)階(jie)段(duan)未(wei)能(neng)找(zhao)到(dao)比(bi)較(jiao)適(shi)合(he)使(shi)用(yong)的(de)垂(chui)直(zhi)輸(shu)送(song)裝(zhuang)置(zhi),所(suo)以(yi),鬥(dou)提(ti)機(ji)的(de)使(shi)用(yong)單(dan)位(wei)隻(zhi)能(neng)通(tong)過(guo)修(xiu)改(gai)和(he)完(wan)善(shan)氨(an)基(ji)酸(suan)晶(jing)體(ti)包(bao)裝(zhuang)工(gong)藝(yi)流(liu)程(cheng)來(lai)實(shi)現(xian)。就(jiu)國(guo)外(wai)發(fa)展(zhan)現(xian)狀(zhuang)而(er)言(yan),輸(shu)送(song)礦(kuang)粉(fen)或(huo)者(zhe)材(cai)料(liao)比(bi)較(jiao)適(shi)合(he)的(de)裝(zhuang)置(zhi)當(dang)屬(shu)垂(chui)直(zhi)螺(luo)旋(xuan)輸(shu)送(song)機(ji)。大(da)部(bu)分(fen)都(dou)清(qing)楚(chu),垂(chui)直(zhi)螺(luo)旋(xuan)輸(shu)送(song)機(ji)的(de)工(gong)作(zuo)原(yuan)理(li)主(zhu)要(yao)是(shi):在zai螺luo旋xuan以yi某mou個ge確que定ding的de角jiao速su度du旋xuan轉zhuan的de過guo程cheng中zhong,螺luo旋xuan麵mian上shang的de物wu料liao顆ke粒li在zai離li心xin石shi墨mo填tian料liao計ji算suan,如ru此ci計ji算suan下xia來lai,將jiang大da大da降jiang低di備bei件jian及ji材cai料liao費fei用yong,進jin而er有you效xiao的de減jian少shao維wei修xiu費fei用yong的de出chu現xian。
4.3降低生產成本,提升經濟效益
近(jin)些(xie)年(nian),我(wo)國(guo)絕(jue)大(da)多(duo)數(shu)公(gong)司(si)和(he)企(qi)業(ye)所(suo)采(cai)用(yong)的(de)都(dou)是(shi)鬥(dou)提(ti)機(ji),但(dan)是(shi)改(gai)進(jin)密(mi)封(feng)結(jie)構(gou)的(de)不(bu)多(duo)。若(ruo)實(shi)現(xian)對(dui)其(qi)的(de)改(gai)造(zao),使(shi)提(ti)升(sheng)機(ji)的(de)使(shi)用(yong)壽(shou)命(ming)得(de)到(dao)延(yan)長(chang),還(hai)可(ke)以(yi)降(jiang)低(di)生(sheng)產(chan)成(cheng)本(ben),提(ti)升(sheng)企(qi)業(ye)和(he)公(gong)司(si)的(de)經(jing)濟(ji)效(xiao)益(yi)。
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