防爆(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)在(zai)啟動(dong)過(guo)(guo)程(cheng)中(zhong)，需(xu)要采用逐(zhu)漸升高電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓的(de)(de)方(fang)(fang)式(shi)，以(yi)防止(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)在(zai)啟動(dong)時(shi)的(de)(de)瞬間電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流過(guo)(guo)大(da)，引發火花或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)弧，從(cong)而(er)引發炸裂。這(zhe)種逐(zhu)步升高電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓的(de)(de)方(fang)(fang)式(shi)，可(ke)(ke)(ke)以(yi)使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)啟動(dong)過(guo)(guo)程(cheng)更加平穩，減(jian)少(shao)了(le)(le)機(ji)(ji)械(xie)設(she)(she)備(bei)(bei)的(de)(de)振(zhen)動(dong)和噪音。同(tong)時(shi)，防爆(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)在(zai)啟動(dong)過(guo)(guo)程(cheng)中(zhong)還需(xu)要設(she)(she)置延時(shi)啟動(dong)功能，以(yi)便給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)足夠的(de)(de)時(shi)間進行(xing)預熱，提(ti)高其工作效率和壽命。防爆(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)在(zai)停(ting)止(zhi)過(guo)(guo)程(cheng)中(zhong)，也需(xu)要進行(xing)特殊的(de)(de)處理。由于化工生產(chan)過(guo)(guo)程(cheng)中(zhong)的(de)(de)設(she)(she)備(bei)(bei)通(tong)常處于連續運行(xing)狀態，因此，一旦設(she)(she)備(bei)(bei)需(xu)要停(ting)止(zhi)運行(xing)，就需(xu)要立即切斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源，以(yi)防止(zhi)設(she)(she)備(bei)(bei)繼續運行(xing)而(er)引發安全事(shi)故。為了(le)(le)防止(zhi)突然(ran)斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)對設(she)(she)備(bei)(bei)造成(cheng)損(sun)傷(shang)，防爆(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)在(zai)停(ting)止(zhi)過(guo)(guo)程(cheng)中(zhong)通(tong)常會設(she)(she)置緩沖停(ting)止(zhi)功能，即在(zai)切斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源后，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)會先進行(xing)減(jian)速運行(xing)一段(duan)時(shi)間，然(ran)后再完全停(ting)止(zhi)。這(zhe)種緩沖停(ting)止(zhi)方(fang)(fang)式(shi)可(ke)(ke)(ke)以(yi)有效地(di)減(jian)少(shao)機(ji)(ji)械(xie)設(she)(she)備(bei)(bei)的(de)(de)振(zhen)動(dong)和噪音，同(tong)時(shi)也可(ke)(ke)(ke)以(yi)減(jian)少(shao)設(she)(she)備(bei)(bei)的(de)(de)磨損(sun)。化學工業防爆(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)啟動(dong)和停(ting)止(zhi)過(guo)(guo)程(cheng)平穩，減(jian)少(shao)了(le)(le)機(ji)(ji)械(xie)設(she)(she)備(bei)(bei)的(de)(de)振(zhen)動(dong)和噪音。新疆節能防爆(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)

在沒有固定(ding)到基礎上(shang)之前，電(dian)動(dong)(dong)機(ji)(ji)應與(yu)被驅(qu)動(dong)(dong)機(ji)(ji)械(xie)調整到同一(yi)個(ge)軸(zhou)(zhou)(zhou)心線上(shang)。這(zhe)種定(ding)心調整是安(an)裝工作中(zhong)重要的(de)(de)任(ren)務之一(yi)，它能使兩者之間(jian)保(bao)持準確的(de)(de)相對(dui)位置，使電(dian)動(dong)(dong)機(ji)(ji)和軸(zhou)(zhou)(zhou)承無附加負荷；定(ding)心不好將(jiang)會(hui)引起電(dian)動(dong)(dong)機(ji)(ji)振動(dong)(dong)，以(yi)致造成軸(zhou)(zhou)(zhou)承破碎，破壞(huai)了軸(zhou)(zhou)(zhou)與(yu)端蓋間(jian)的(de)(de)隔爆(bao)接(jie)合面(mian)，甚至損(sun)壞(huai)電(dian)動(dong)(dong)機(ji)(ji)。電(dian)動(dong)(dong)機(ji)(ji)與(yu)被驅(qu)動(dong)(dong)機(ji)(ji)械(xie)的(de)(de)定(ding)心調整可以(yi)借助于電(dian)動(dong)(dong)機(ji)(ji)在水平和垂直面(mian)上(shang)的(de)(de)微調，使兩半個(ge)聯軸(zhou)(zhou)(zhou)節間(jian)的(de)(de)間(jian)隙(xi)均勻。定(ding)心調整可按下述方法進(jin)行(xing)：一(yi)開始(shi)首先用鋼尺或者三角尺測(ce)量(liang)(liang)，然后再用定(ding)心量(liang)(liang)具，測(ce)定(ding)徑(jing)向及(ji)軸(zhou)(zhou)(zhou)向間(jian)隙(xi)。為了調整間(jian)隙(xi)量(liang)(liang)可以(yi)把量(liang)(liang)具裝在半個(ge)聯軸(zhou)(zhou)(zhou)節或軸(zhou)(zhou)(zhou)上(shang)。不銹鋼防(fang)(fang)爆(bao)電(dian)機(ji)(ji)廠商防(fang)(fang)爆(bao)電(dian)機(ji)(ji)還需要進(jin)行(xing)屏蔽和隔離等(deng)處理，以(yi)防(fang)(fang)止電(dian)磁干擾引發(fa)意外(wai)。

防(fang)爆(bao)(bao)電(dian)(dian)(dian)(dian)機(ji)由于故障必(bi)須停機(ji)進行較長(chang)時間修(xiu)理，或(huo)防(fang)爆(bao)(bao)電(dian)(dian)(dian)(dian)機(ji)是周期性的定期檢修(xiu)(其周期一般(ban)為12年)都稱大修(xiu)。大修(xiu)防(fang)爆(bao)(bao)電(dian)(dian)(dian)(dian)機(ji)的主要(yao)內容為：(1)拆卸電(dian)(dian)(dian)(dian)動機(ji)，去(qu)除內部(bu)污垢及繞組表面灰塵，必(bi)要(yao)時用(yong)防(fang)爆(bao)(bao)電(dian)(dian)(dian)(dian)機(ji)專門用(yong)的GD系列清洗劑清洗繞組。(2)檢查繞組絕緣(yuan)有無(wu)變色、焦化、脫落(luo)，擦傷。若發(fa)現(xian)有防(fang)爆(bao)(bao)電(dian)(dian)(dian)(dian)機(ji)上述(shu)現(xian)象，要(yao)更換相同的絕緣(yuan)物并涂上絕緣(yuan)漆后烘干。(3)拆出電(dian)(dian)(dian)(dian)動機(ji)轉子，檢查各線圈接頭有無(wu)脫焊(han)及接觸不(bu)良的情況(kuang)，特別是用(yong)錫焊(han)接頭的電(dian)(dian)(dian)(dian)動機(ji)更應注意。

電(dian)機(ji)(ji)(ji)(ji)的種類很多，根(gen)據使用環境(jing)的不同(tong)，會對電(dian)機(ji)(ji)(ji)(ji)提(ti)出一定的要求。其中具有(you)標志(zhi)性的就是粉(fen)塵(chen)防(fang)(fang)(fang)爆(bao)(bao)電(dian)機(ji)(ji)(ji)(ji)，那(nei)么(me)粉(fen)塵(chen)防(fang)(fang)(fang)爆(bao)(bao)電(dian)機(ji)(ji)(ji)(ji)是由哪些部件制成的呢？下(xia)面我們(men)一起來看(kan)看(kan)粉(fen)塵(chen)防(fang)(fang)(fang)爆(bao)(bao)電(dian)機(ji)(ji)(ji)(ji)結構分析(xi)。在(zai)選擇電(dian)機(ji)(ji)(ji)(ji)的過程中，會發現電(dian)機(ji)(ji)(ji)(ji)的形(xing)狀(zhuang)基本(ben)相(xiang)同(tong)，但形(xing)狀(zhuang)相(xiang)同(tong)不表示沒有(you)區別。您的機(ji)(ji)(ji)(ji)器外殼(ke)已(yi)在(zai)特定條件下(xia)升級，可(ke)以防(fang)(fang)(fang)止灰塵(chen)。從進入機(ji)(ji)(ji)(ji)器，減少灰塵(chen)在(zai)機(ji)(ji)(ji)(ji)器上的積累和集(ji)中，減少發生危(wei)險的可(ke)能性。防(fang)(fang)(fang)塵(chen)防(fang)(fang)(fang)爆(bao)(bao)電(dian)機(ji)(ji)(ji)(ji)內部沒有(you)特殊部件。只有(you)接線盒具有(you)防(fang)(fang)(fang)爆(bao)(bao)性能。箱內有(you)空間(jian)連接各種電(dian)路。接線盒與(yu)底座(zuo)之間(jian)的空間(jian)采用防(fang)(fang)(fang)爆(bao)(bao)螺紋結構。電(dian)機(ji)(ji)(ji)(ji)配備高效的冷卻系統，確保在(zai)高負荷(he)工況下(xia)的穩定運(yun)行(xing)。

直流(liu)(liu)防(fang)(fang)爆(bao)(bao)(bao)電(dian)(dian)(dian)機(ji)在石(shi)油工業(ye)中(zhong)的(de)(de)(de)應用非(fei)常普遍。石(shi)油開采過(guo)程中(zhong)會產生(sheng)(sheng)大(da)量(liang)的(de)(de)(de)易燃易爆(bao)(bao)(bao)氣體(ti)(ti)，如(ru)甲烷(wan)、乙烯等。這些氣體(ti)(ti)如(ru)果與空(kong)(kong)氣混合(he)達到(dao)一(yi)(yi)定(ding)濃(nong)度，一(yi)(yi)旦遇(yu)到(dao)火(huo)源就會引(yin)(yin)發(fa)炸(zha)(zha)裂。因(yin)此(ci)，石(shi)油開采設備必須使用防(fang)(fang)爆(bao)(bao)(bao)電(dian)(dian)(dian)機(ji)，以防(fang)(fang)止火(huo)花(hua)(hua)引(yin)(yin)發(fa)炸(zha)(zha)裂。直流(liu)(liu)防(fang)(fang)爆(bao)(bao)(bao)電(dian)(dian)(dian)機(ji)由于其特(te)殊(shu)的(de)(de)(de)防(fang)(fang)爆(bao)(bao)(bao)設計(ji)和優(you)良的(de)(de)(de)性能，能夠有(you)效(xiao)地防(fang)(fang)止火(huo)花(hua)(hua)產生(sheng)(sheng)，從(cong)(cong)而避免引(yin)(yin)發(fa)火(huo)災，為(wei)(wei)(wei)石(shi)油工業(ye)的(de)(de)(de)安(an)全(quan)生(sheng)(sheng)產提供了有(you)力的(de)(de)(de)保障(zhang)。直流(liu)(liu)防(fang)(fang)爆(bao)(bao)(bao)電(dian)(dian)(dian)機(ji)在化(hua)工生(sheng)(sheng)產中(zhong)也(ye)發(fa)揮著重要的(de)(de)(de)作用。化(hua)工生(sheng)(sheng)產過(guo)程中(zhong)會產生(sheng)(sheng)大(da)量(liang)的(de)(de)(de)有(you)害氣體(ti)(ti)和粉塵，如(ru)硫酸霧、氮氧(yang)化(hua)物(wu)等。這些有(you)害物(wu)質如(ru)果與空(kong)(kong)氣混合(he)達到(dao)一(yi)(yi)定(ding)濃(nong)度，一(yi)(yi)旦遇(yu)到(dao)火(huo)源也(ye)會引(yin)(yin)發(fa)炸(zha)(zha)裂。因(yin)此(ci)，化(hua)工生(sheng)(sheng)產設備也(ye)必須使用防(fang)(fang)爆(bao)(bao)(bao)電(dian)(dian)(dian)機(ji)，以防(fang)(fang)止火(huo)花(hua)(hua)引(yin)(yin)發(fa)炸(zha)(zha)裂。直流(liu)(liu)防(fang)(fang)爆(bao)(bao)(bao)電(dian)(dian)(dian)機(ji)由于其特(te)殊(shu)的(de)(de)(de)防(fang)(fang)爆(bao)(bao)(bao)設計(ji)和優(you)良的(de)(de)(de)性能，能夠有(you)效(xiao)地防(fang)(fang)止火(huo)花(hua)(hua)產生(sheng)(sheng)，從(cong)(cong)而避免引(yin)(yin)發(fa)火(huo)災，為(wei)(wei)(wei)化(hua)工生(sheng)(sheng)產的(de)(de)(de)安(an)全(quan)提供了有(you)力的(de)(de)(de)保障(zhang)。石(shi)油天(tian)然氣防(fang)(fang)爆(bao)(bao)(bao)電(dian)(dian)(dian)機(ji)是(shi)為(wei)(wei)(wei)了滿(man)足石(shi)油天(tian)然氣行業(ye)對安(an)全(quan)性和可(ke)靠性的(de)(de)(de)特(te)殊(shu)需求而設計(ji)的(de)(de)(de)電(dian)(dian)(dian)動機(ji)。江西變頻防(fang)(fang)爆(bao)(bao)(bao)電(dian)(dian)(dian)機(ji)型號

煤礦防爆電(dian)機提供完(wan)善的(de)售(shou)后服(fu)務(wu)，確保客戶使用(yong)無憂。新疆節(jie)能(neng)防爆電(dian)機

防(fang)爆(bao)(bao)(bao)電(dian)機(ji)(ji)(ji)的(de)(de)(de)工作(zuo)原理(li)與普通電(dian)機(ji)(ji)(ji)基本(ben)相(xiang)同(tong)，都是(shi)通過(guo)電(dian)磁感(gan)應(ying)(ying)產(chan)(chan)生(sheng)轉矩，驅動(dong)機(ji)(ji)(ji)械設(she)(she)(she)備(bei)工作(zuo)。但是(shi)，由(you)于工作(zuo)環(huan)境的(de)(de)(de)特殊(shu)性(xing)(xing)，防(fang)爆(bao)(bao)(bao)電(dian)機(ji)(ji)(ji)在(zai)(zai)(zai)設(she)(she)(she)計和(he)(he)制造過(guo)程(cheng)(cheng)中需(xu)要采(cai)取一(yi)系列特殊(shu)的(de)(de)(de)措施，以(yi)確保其在(zai)(zai)(zai)易燃易爆(bao)(bao)(bao)環(huan)境中的(de)(de)(de)安全(quan)運(yun)行(xing)。首先，防(fang)爆(bao)(bao)(bao)電(dian)機(ji)(ji)(ji)的(de)(de)(de)外(wai)殼材(cai)料必須具備(bei)良好的(de)(de)(de)防(fang)爆(bao)(bao)(bao)性(xing)(xing)能。一(yi)般來說(shuo)，防(fang)爆(bao)(bao)(bao)電(dian)機(ji)(ji)(ji)的(de)(de)(de)外(wai)殼材(cai)料應(ying)(ying)具有(you)(you)較(jiao)高(gao)的(de)(de)(de)強度和(he)(he)韌性(xing)(xing)，能夠承受(shou)內部(bu)(bu)(bu)產(chan)(chan)生(sheng)的(de)(de)(de)壓(ya)力和(he)(he)沖擊。此外(wai)，外(wai)殼材(cai)料還應(ying)(ying)具有(you)(you)良好的(de)(de)(de)耐(nai)腐蝕性(xing)(xing)和(he)(he)耐(nai)磨性(xing)(xing)，以(yi)保證其在(zai)(zai)(zai)惡(e)劣的(de)(de)(de)工作(zuo)環(huan)境中的(de)(de)(de)使用(yong)壽(shou)命。其次，防(fang)爆(bao)(bao)(bao)電(dian)機(ji)(ji)(ji)的(de)(de)(de)內部(bu)(bu)(bu)結構也(ye)需(xu)要進行(xing)特殊(shu)設(she)(she)(she)計。為了(le)確保電(dian)機(ji)(ji)(ji)在(zai)(zai)(zai)運(yun)行(xing)過(guo)程(cheng)(cheng)中不會引發火花、電(dian)弧或高(gao)溫，防(fang)爆(bao)(bao)(bao)電(dian)機(ji)(ji)(ji)的(de)(de)(de)內部(bu)(bu)(bu)通常采(cai)用(yong)封閉(bi)式設(she)(she)(she)計，將(jiang)可能產(chan)(chan)生(sheng)火花的(de)(de)(de)零部(bu)(bu)(bu)件(jian)(jian)完全(quan)封閉(bi)在(zai)(zai)(zai)一(yi)個密閉(bi)的(de)(de)(de)空間內。同(tong)時(shi)，內部(bu)(bu)(bu)還設(she)(she)(she)置有(you)(you)專門的(de)(de)(de)冷卻系統，用(yong)于吸收電(dian)機(ji)(ji)(ji)在(zai)(zai)(zai)運(yun)行(xing)過(guo)程(cheng)(cheng)中產(chan)(chan)生(sheng)的(de)(de)(de)熱(re)量，防(fang)止電(dian)機(ji)(ji)(ji)過(guo)熱(re)引發事故。此外(wai)，防(fang)爆(bao)(bao)(bao)電(dian)機(ji)(ji)(ji)的(de)(de)(de)接線(xian)(xian)盒和(he)(he)連接器也(ye)需(xu)要采(cai)用(yong)特殊(shu)的(de)(de)(de)防(fang)爆(bao)(bao)(bao)型式。這些部(bu)(bu)(bu)件(jian)(jian)應(ying)(ying)具有(you)(you)良好的(de)(de)(de)密封性(xing)(xing)能，以(yi)防(fang)止外(wai)部(bu)(bu)(bu)易燃氣體進入(ru)電(dian)機(ji)(ji)(ji)內部(bu)(bu)(bu)。同(tong)時(shi)，接線(xian)(xian)盒和(he)(he)連接器的(de)(de)(de)材(cai)質也(ye)應(ying)(ying)具備(bei)較(jiao)高(gao)的(de)(de)(de)防(fang)爆(bao)(bao)(bao)性(xing)(xing)能，能夠在(zai)(zai)(zai)高(gao)溫和(he)(he)高(gao)壓(ya)下保持穩定(ding)的(de)(de)(de)性(xing)(xing)能。新疆節(jie)能防(fang)爆(bao)(bao)(bao)電(dian)機(ji)(ji)(ji)

本(ben)文來自沈陽喜(xi)納(na)多采暖工程有限公司：//zjlong.cn/Article/21e399867.html