電(dian)動(dong)(dong)機(ji)過壓通(tong)(tong)(tong)風(feng)(feng)(feng)結(jie)(jie)構(gou)和風(feng)(feng)(feng)管結(jie)(jie)構(gou)必須(xu)防(fang)止產生某些死角*。因為通(tong)(tong)(tong)風(feng)(feng)(feng)機(ji)起動(dong)(dong)時(shi)，空氣及惰性氣體必須(xu)在時(shi)間(jian)t（較(jiao)小吹風(feng)(feng)(feng)時(shi)間(jian)）內(nei)(nei)將電(dian)動(dong)(dong)機(ji)外殼及風(feng)(feng)(feng)管中(zhong)殘留的(de)(de)(de)(即電(dian)動(dong)(dong)機(ji)停(ting)止運轉時(shi)聚集其(qi)(qi)內(nei)(nei)的(de)(de)(de))爆裂性混合物全部排出(chu)去。過壓通(tong)(tong)(tong)風(feng)(feng)(feng)型電(dian)動(dong)(dong)機(ji)基本(ben)上都是大型的(de)(de)(de)電(dian)動(dong)(dong)機(ji)（異(yi)步或(huo)同(tong)步）。其(qi)(qi)通(tong)(tong)(tong)風(feng)(feng)(feng)系統為閉路(lu)循環及開路(lu)循環兩(liang)種。它與(yu)非防(fang)爆封閉型電(dian)動(dong)(dong)機(ji)在結(jie)(jie)構(gou)上的(de)(de)(de)區(qu)別是扇風(feng)(feng)(feng)機(ji)及通(tong)(tong)(tong)風(feng)(feng)(feng)網路(lu)系統新(xin)鮮(xian)風(feng)(feng)(feng)流(liu)處均裝(zhuang)(zhuang)有(you)專門凸緣(yuan)。以便(bian)在電(dian)動(dong)(dong)機(ji)起動(dong)(dong)前通(tong)(tong)(tong)風(feng)(feng)(feng)，運轉時(shi)保(bao)持過壓，也(ye)為了避免經過縫隙漏損。在兩(liang)種情況下均須(xu)裝(zhuang)(zhuang)設強制通(tong)(tong)(tong)風(feng)(feng)(feng)機(ji)組(zu)。防(fang)爆電(dian)機(ji)擁有(you)精確(que)的(de)(de)(de)速(su)度控制和可靠的(de)(de)(de)負載適應(ying)能力，以滿足各種行業對電(dian)動(dong)(dong)機(ji)的(de)(de)(de)特殊需求。濟南粉(fen)塵防(fang)爆電(dian)機(ji)價格

防(fang)(fang)(fang)(fang)(fang)(fang)爆(bao)電(dian)機(ji)(ji)是在正常運行條(tiao)件下不會產生電(dian)弧、火花(hua)或(huo)危險高溫的(de)(de)電(dian)機(ji)(ji)結構上，再(zai)采取一(yi)些機(ji)(ji)械、電(dian)氣和熱(re)的(de)(de)保(bao)護(hu)措施，使之進一(yi)步(bu)避(bi)免在正常或(huo)認可的(de)(de)過載條(tiao)件下出(chu)現電(dian)弧、火花(hua)或(huo)高溫的(de)(de)危險，從而確保(bao)其防(fang)(fang)(fang)(fang)(fang)(fang)爆(bao)安(an)全性(xing)。我國當前應用(yong)(yong)(yong)的(de)(de)低壓(ya)增(zeng)安(an)型(xing)的(de)(de)基本系(xi)列(lie)(lie)是YA系(xi)列(lie)(lie)增(zeng)安(an)型(xing)三(san)相異步(bu)電(dian)動機(ji)(ji)，它(ta)是Y系(xi)列(lie)(lie)(IP44)三(san)相異步(bu)電(dian)機(ji)(ji)的(de)(de)派(pai)生產品。防(fang)(fang)(fang)(fang)(fang)(fang)爆(bao)性(xing)能(neng)符合GB3836．1—83《爆(bao)裂(lie)性(xing)環(huan)境(jing)用(yong)(yong)(yong)防(fang)(fang)(fang)(fang)(fang)(fang)爆(bao)電(dian)氣設備通用(yong)(yong)(yong)要求(qiu)》和GB3836．3—83《爆(bao)裂(lie)性(xing)環(huan)境(jing)用(yong)(yong)(yong)防(fang)(fang)(fang)(fang)(fang)(fang)爆(bao)電(dian)氣設備增(zeng)安(an)型(xing)電(dian)氣設備“e”》的(de)(de)規定(ding)；功率范圍為(wei)(wei)(wei)O．55~90kW，相對應的(de)(de)機(ji)(ji)座中心高為(wei)(wei)(wei)80—280mm；防(fang)(fang)(fang)(fang)(fang)(fang)爆(bao)標志(zhi)為(wei)(wei)(wei)eIITl、eIIT2、eIIT3，分別適用(yong)(yong)(yong)于工廠中具(ju)(ju)有(you)溫度組(zu)(zu)別為(wei)(wei)(wei)Tl—T3組(zu)(zu)爆(bao)裂(lie)性(xing)混合物并具(ju)(ju)有(you)輕微(wei)腐(fu)蝕介質的(de)(de)場所；主體外殼的(de)(de)防(fang)(fang)(fang)(fang)(fang)(fang)護(hu)等級為(wei)(wei)(wei)IP54，接線盒防(fang)(fang)(fang)(fang)(fang)(fang)護(hu)等級為(wei)(wei)(wei)IP55；額(e)定(ding)頻(pin)率為(wei)(wei)(wei)50Hz，額(e)定(ding)電(dian)壓(ya)為(wei)(wei)(wei)380V；電(dian)機(ji)(ji)采用(yong)(yong)(yong)F級絕緣。伺(si)服防(fang)(fang)(fang)(fang)(fang)(fang)爆(bao)電(dian)機(ji)(ji)防(fang)(fang)(fang)(fang)(fang)(fang)爆(bao)電(dian)機(ji)(ji)可以(yi)通過密封、隔爆(bao)、散(san)熱(re)等技術進行防(fang)(fang)(fang)(fang)(fang)(fang)護(hu)，以(yi)達到防(fang)(fang)(fang)(fang)(fang)(fang)爆(bao)的(de)(de)目的(de)(de)。

提(ti)高(gao)電(dian)(dian)(dian)氣性(xing)能(neng)和(he)(he)機械(xie)性(xing)能(neng)，絕緣(yuan)(yuan)漆的(de)擊穿強度(du)及其他電(dian)(dian)(dian)性(xing)能(neng)遠(yuan)高(gao)于(yu)(yu)空氣，經絕緣(yuan)(yuan)處(chu)(chu)理(li)后(hou)繞(rao)組粘結成(cheng)一個整體，既提(ti)高(gao)了繞(rao)組的(de)電(dian)(dian)(dian)氣性(xing)能(neng)，又可避(bi)免由于(yu)(yu)電(dian)(dian)(dian)磁力(li)、振(zhen)動和(he)(he)冷熱伸縮(suo)引起的(de)導線(xian)松動與(yu)磨(mo)損，從而提(ti)高(gao)了繞(rao)組的(de)機械(xie)強度(du)。提(ti)高(gao)化(hua)學(xue)穩定(ding)性(xing)，經絕緣(yuan)(yuan)處(chu)(chu)理(li)后(hou)，漆膜(mo)能(neng)防止絕緣(yuan)(yuan)材料直接與(yu)有害的(de)化(hua)學(xue)介質(zhi)接觸，從而提(ti)高(gao)了抗腐(fu)蝕能(neng)力(li)。防爆(bao)電(dian)(dian)(dian)機以前拆除散裝(zhuang)舊繞(rao)組時，通常(chang)采用(yong)“通電(dian)(dian)(dian)加熱法”，使(shi)絕緣(yuan)(yuan)軟化(hua)，然后(hou)取出線(xian)圈。這種方法的(de)缺點是費電(dian)(dian)(dian)，且(qie)常(chang)因舊繞(rao)組中有斷路或短路使(shi)加熱不均勻，難于(yu)(yu)拆除。

大(da)修防爆(bao)電(dian)(dian)機的主要(yao)內容(rong)為(wei)：檢(jian)查(cha)槽楔(xie)是否(fou)松(song)動(dong)(dong)(dong)、斷(duan)裂、焦化或短缺，中、小型(xing)電(dian)(dian)動(dong)(dong)(dong)機槽楔(xie)多為(wei)竹楔(xie)，經(jing)受長期過大(da)電(dian)(dian)流會焦化，使(shi)槽楔(xie)松(song)動(dong)(dong)(dong)且絕(jue)緣(yuan)(yuan)性能下降，必須更(geng)換(huan)新槽楔(xie)。大(da)型(xing)電(dian)(dian)動(dong)(dong)(dong)機多為(wei)人造(zao)的絕(jue)緣(yuan)(yuan)材料，也要(yao)認真(zhen)檢(jian)查(cha)有(you)無(wu)松(song)動(dong)(dong)(dong)等不利運行(xing)的情(qing)況(kuang)。對使(shi)用較(jiao)長時間的電(dian)(dian)動(dong)(dong)(dong)機，可(ke)對其繞(rao)組(zu)的絕(jue)緣(yuan)(yuan)進(jin)行(xing)刷絕(jue)緣(yuan)(yuan)漆、干(gan)燥、焊接、重(zhong)新綁(bang)扎緊固等處理。更(geng)換(huan)局部損壞較(jiao)嚴重(zhong)的線圈及重(zhong)繞(rao)燒(shao)毀的繞(rao)組(zu)。檢(jian)查(cha)鼠籠轉子有(you)無(wu)斷(duan)條(tiao)、斷(duan)環(huan)。檢(jian)查(cha)轉子平衡塊(kuai)及風扇(shan)螺絲的緊固情(qing)況(kuang)。檢(jian)查(cha)軸(zhou)承的好壞，并更(geng)換(huan)損壞的軸(zhou)承。檢(jian)查(cha)軸(zhou)承蓋(gai)、端蓋(gai)及軸(zhou)的平行(xing)度。檢(jian)查(cha)與檢(jian)修通(tong)風冷卻系(xi)統。防爆(bao)電(dian)(dian)機需要(yao)具有(you)極高的可(ke)靠性和精確性，以確保設(she)備的正常運行(xing)。

電(dian)機(ji)(ji)(ji)絕緣等級(ji)為F級(ji)，但按(an)B級(ji)考核定子(zi)繞組(zu)的(de)溫(wen)升，具(ju)有較大的(de)溫(wen)升裕度。低壓隔(ge)爆(bao)型(xing)三(san)相異(yi)步(bu)(bu)電(dian)機(ji)(ji)(ji)派生系(xi)(xi)(xi)(xi)列(lie)的(de)主要型(xing)號有：YB系(xi)(xi)(xi)(xi)列(lie)(dIIcT4)(機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為80—315mm)，YBSO系(xi)(xi)(xi)(xi)列(lie)(小功率(lv)，機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為63—90mm)，YBF系(xi)(xi)(xi)(xi)列(lie)(風(feng)機(ji)(ji)(ji)用(yong)，機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為63—160mm)，YB—H系(xi)(xi)(xi)(xi)列(lie)(船用(yong)，機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為80~280mm)，YB系(xi)(xi)(xi)(xi)列(lie)(中(zhong)(zhong)(zhong)(zhong)型(xing)，機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為355—450mm)，YBK系(xi)(xi)(xi)(xi)列(lie)(煤礦(kuang)用(yong)，機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為100—315mm)，YB—W、B—TH、YB—WTH系(xi)(xi)(xi)(xi)列(lie)(機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為80—315mm)，YBDF—WF系(xi)(xi)(xi)(xi)列(lie)(戶(hu)外防(fang)(fang)腐隔(ge)爆(bao)型(xing)電(dian)動閥(fa)門用(yong)，機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為80—315mm)及YBDC系(xi)(xi)(xi)(xi)列(lie)(隔(ge)爆(bao)型(xing)電(dian)容起(qi)動單相異(yi)步(bu)(bu)電(dian)機(ji)(ji)(ji)，機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為71—100mm)和(he)(he)YBZS系(xi)(xi)(xi)(xi)列(lie)起(qi)重用(yong)隔(ge)爆(bao)型(xing)雙(shuang)速三(san)相異(yi)步(bu)(bu)電(dian)機(ji)(ji)(ji)。另外，還有YB系(xi)(xi)(xi)(xi)列(lie)高壓隔(ge)爆(bao)型(xing)三(san)相異(yi)步(bu)(bu)電(dian)機(ji)(ji)(ji)(機(ji)(ji)(ji)座(zuo)(zuo)中(zhong)(zhong)(zhong)(zhong)心(xin)高為355~450mm，560—710mm)。石油天然氣防(fang)(fang)爆(bao)電(dian)機(ji)(ji)(ji)具(ju)備高可(ke)靠性(xing)和(he)(he)長壽(shou)命，能夠在惡劣(lie)的(de)工作條件(jian)下穩定運行(xing)。黑龍(long)江煤礦(kuang)井下用(yong)防(fang)(fang)爆(bao)電(dian)機(ji)(ji)(ji)

防爆(bao)電機(ji)通過傳(chuan)感(gan)器和自動控制學得(de)到智能化(hua)運維，進一步提高(gao)了工業制造的(de)安全(quan)、高(gao)效、準確性。濟南粉塵防爆(bao)電機(ji)價(jia)格(ge)

直(zhi)(zhi)流(liu)防(fang)爆(bao)電(dian)(dian)機在(zai)石(shi)油工(gong)業中(zhong)的(de)(de)(de)應用(yong)(yong)非常普遍。石(shi)油開采過程(cheng)中(zhong)會(hui)(hui)產(chan)(chan)生(sheng)大量(liang)的(de)(de)(de)易燃易爆(bao)氣體，如(ru)(ru)(ru)甲烷、乙烯等。這些氣體如(ru)(ru)(ru)果與(yu)空(kong)氣混合(he)達到一(yi)定濃度，一(yi)旦(dan)遇到火(huo)(huo)源就會(hui)(hui)引(yin)發(fa)(fa)炸(zha)(zha)裂(lie)(lie)。因(yin)(yin)此，石(shi)油開采設(she)備必須使用(yong)(yong)防(fang)爆(bao)電(dian)(dian)機，以(yi)防(fang)止(zhi)火(huo)(huo)花(hua)引(yin)發(fa)(fa)炸(zha)(zha)裂(lie)(lie)。直(zhi)(zhi)流(liu)防(fang)爆(bao)電(dian)(dian)機由于其特殊的(de)(de)(de)防(fang)爆(bao)設(she)計和優良(liang)的(de)(de)(de)性能(neng)，能(neng)夠有(you)效(xiao)地防(fang)止(zhi)火(huo)(huo)花(hua)產(chan)(chan)生(sheng)，從(cong)而避免(mian)引(yin)發(fa)(fa)火(huo)(huo)災(zai)，為(wei)石(shi)油工(gong)業的(de)(de)(de)安全生(sheng)產(chan)(chan)提供(gong)了有(you)力的(de)(de)(de)保障。直(zhi)(zhi)流(liu)防(fang)爆(bao)電(dian)(dian)機在(zai)化(hua)工(gong)生(sheng)產(chan)(chan)中(zhong)也發(fa)(fa)揮著重(zhong)要的(de)(de)(de)作用(yong)(yong)。化(hua)工(gong)生(sheng)產(chan)(chan)過程(cheng)中(zhong)會(hui)(hui)產(chan)(chan)生(sheng)大量(liang)的(de)(de)(de)有(you)害(hai)氣體和粉(fen)塵(chen)，如(ru)(ru)(ru)硫酸霧、氮氧化(hua)物(wu)等。這些有(you)害(hai)物(wu)質如(ru)(ru)(ru)果與(yu)空(kong)氣混合(he)達到一(yi)定濃度，一(yi)旦(dan)遇到火(huo)(huo)源也會(hui)(hui)引(yin)發(fa)(fa)炸(zha)(zha)裂(lie)(lie)。因(yin)(yin)此，化(hua)工(gong)生(sheng)產(chan)(chan)設(she)備也必須使用(yong)(yong)防(fang)爆(bao)電(dian)(dian)機，以(yi)防(fang)止(zhi)火(huo)(huo)花(hua)引(yin)發(fa)(fa)炸(zha)(zha)裂(lie)(lie)。直(zhi)(zhi)流(liu)防(fang)爆(bao)電(dian)(dian)機由于其特殊的(de)(de)(de)防(fang)爆(bao)設(she)計和優良(liang)的(de)(de)(de)性能(neng)，能(neng)夠有(you)效(xiao)地防(fang)止(zhi)火(huo)(huo)花(hua)產(chan)(chan)生(sheng)，從(cong)而避免(mian)引(yin)發(fa)(fa)火(huo)(huo)災(zai)，為(wei)化(hua)工(gong)生(sheng)產(chan)(chan)的(de)(de)(de)安全提供(gong)了有(you)力的(de)(de)(de)保障。濟南粉(fen)塵(chen)防(fang)爆(bao)電(dian)(dian)機價格

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