冷卻塔電機使用

冷(leng)(leng)卻(que)塔(ta)電(dian)動機(ji)(ji)(ji)(ji)在(zai)使用中，一些用戶反映(ying)會(hui)遇(yu)到(dao)噪(zao)音大(da)的情況，今(jin)天，機(ji)(ji)(ji)(ji)電(dian)的技(ji)(ji)術人員教大(da)家(jia)一些技(ji)(ji)巧(qiao)緩解噪(zao)音大(da)的技(ji)(ji)巧(qiao)。 一些用戶在(zai)冷(leng)(leng)卻(que)塔(ta)電(dian)動機(ji)(ji)(ji)(ji)上(shang)加裝一層消音棉(mian)，效果也不錯(cuo)，從發聲源減(jian)少噪(zao)音，可(ke)(ke)以有(you)效減(jian)少電(dian)動機(ji)(ji)(ji)(ji)運(yun)轉(zhuan)時(shi)發出(chu)的噪(zao)音，還能起(qi)到(dao)保護電(dian)機(ji)(ji)(ji)(ji)的作用。 更換電(dian)機(ji)(ji)(ji)(ji)主動輪，使冷(leng)(leng)卻(que)塔(ta)電(dian)動機(ji)(ji)(ji)(ji)轉(zhuan)速(su)(su)降(jiang)低，同(tong)時(shi)把風(feng)(feng)扇(shan)角度(du)調大(da)，如此可(ke)(ke)以使電(dian)動機(ji)(ji)(ji)(ji)轉(zhuan)速(su)(su)降(jiang)低，但保持風(feng)(feng)量不變(bian)，冷(leng)(leng)卻(que)效果也不會(hui)受影響。 除此之外，還可(ke)(ke)以更換冷(leng)(leng)卻(que)塔(ta)電(dian)機(ji)(ji)(ji)(ji)減(jian)速(su)(su)箱(xiang)的軸(zhou)承，如此不僅可(ke)(ke)以使減(jian)速(su)(su)器在(zai)運(yun)行過程中更順(shun)暢，還不會(hui)因為軸(zhou)承磨擦，產生噪(zao)音。

冷卻塔電機安裝

為什么冷(leng)卻塔(ta)(ta)專(zhuan)(zhuan)用(yong)電動機(ji)(ji)的(de)(de)(de)(de)使(shi)用(yong)率(lv)(lv)很(hen)高?這跟(gen)設(she)備(bei)本身的(de)(de)(de)(de)使(shi)用(yong)優勢(shi)是(shi)緊密分不開的(de)(de)(de)(de)。那么一般(ban)我(wo)們在(zai)使(shi)用(yong)該設(she)備(bei)的(de)(de)(de)(de)時候它(ta)的(de)(de)(de)(de)產品優勢(shi)到底是(shi)什么呢? 1、在(zai)購買使(shi)用(yong)機(ji)(ji)械設(she)備(bei)的(de)(de)(de)(de)時候很(hen)多人(ren)都(dou)非(fei)(fei)常(chang)關注(zhu)效(xiao)(xiao)率(lv)(lv)問題(ti)的(de)(de)(de)(de)，畢竟效(xiao)(xiao)率(lv)(lv)要是(shi)不高的(de)(de)(de)(de)話(hua)會(hui)給我(wo)們造成很(hen)多的(de)(de)(de)(de)困(kun)擾。而作(zuo)業效(xiao)(xiao)率(lv)(lv)方面還不錯的(de)(de)(de)(de)冷(leng)卻塔(ta)(ta)專(zhuan)(zhuan)用(yong)電動機(ji)(ji)自然(ran)是(shi)會(hui)獲得(de)很(hen)多人(ren)的(de)(de)(de)(de)關注(zhu)。 2、在(zai)性能方面其實冷(leng)卻塔(ta)(ta)專(zhuan)(zhuan)用(yong)電動機(ji)(ji)也是(shi)非(fei)(fei)常(chang)不錯的(de)(de)(de)(de)，很(hen)多人(ren)都(dou)表示在(zai)使(shi)用(yong)這一設(she)備(bei)的(de)(de)(de)(de)時候會(hui)覺得(de)非(fei)(fei)常(chang)的(de)(de)(de)(de)放心(xin)，完全是(shi)不用(yong)擔(dan)心(xin)設(she)備(bei)性能的(de)(de)(de)(de)問題(ti)。 3、冷(leng)卻塔(ta)(ta)專(zhuan)(zhuan)用(yong)電動機(ji)(ji)的(de)(de)(de)(de)價格不貴也是(shi)優勢(shi)之一。部分的(de)(de)(de)(de)企業為了能夠提升產品的(de)(de)(de)(de)知名度甚至會(hui)以低(di)(di)價的(de)(de)(de)(de)形勢(shi)出售，所以廣大(da)的(de)(de)(de)(de)用(yong)戶可以用(yong)低(di)(di)價買到質(zhi)量還不錯的(de)(de)(de)(de)產品。

冷卻塔電機保養

冷卻(que)塔(ta)(ta)電(dian)機(ji)的(de)(de)保養(yang)有什么小(xiao)秘訣(jue)?隨著冷卻(que)塔(ta)(ta)行(xing)(xing)(xing)業的(de)(de)發(fa)展(zhan)也(ye)間接的(de)(de)帶動著其配件行(xing)(xing)(xing)業的(de)(de)發(fa)展(zhan)。大家都知(zhi)道風機(ji)配件對(dui)(dui)于(yu)一個(ge)冷卻(que)塔(ta)(ta)來(lai)說是(shi)多么的(de)(de)重要。今天我(wo)們(men)就(jiu)介(jie)紹一下關于(yu)它的(de)(de)養(yang)護小(xiao)知(zhi)識(shi)。 對(dui)(dui)冷卻(que)塔(ta)(ta)的(de)(de)正常使(shi)用(yong)(yong)(yong)與(yu)運(yun)行(xing)(xing)(xing)起(qi)著舉足輕(qing)重作用(yong)(yong)(yong)的(de)(de)冷卻(que)塔(ta)(ta)風機(ji)是(shi)一個(ge)十分重要的(de)(de)部件。大家都知(zhi)道任何(he)的(de)(de)設備在(zai)使(shi)用(yong)(yong)(yong)的(de)(de)時間長了以后(hou)就(jiu)難免(mian)會(hui)出現一些這樣那樣的(de)(de)問題，我(wo)們(men)公(gong)司所生產(chan)的(de)(de)風機(ji)也(ye)不(bu)例外。 為(wei)了讓它能更長久的(de)(de)使(shi)用(yong)(yong)(yong)我(wo)們(men)就(jiu)要定期的(de)(de)對(dui)(dui)它進行(xing)(xing)(xing)保養(yang)。在(zai)保養(yang)的(de)(de)時候需要對(dui)(dui)其進行(xing)(xing)(xing)除塵與(yu)清(qing)理(li)，這樣是(shi)能夠讓它更好的(de)(de)工(gong)作。然后(hou)就(jiu)是(shi)在(zai)維(wei)護中要檢查零件的(de)(de)松緊(jin)的(de)(de)情況，如果有松動的(de)(de)話(hua)要進行(xing)(xing)(xing)及時的(de)(de)更換(huan)，因為(wei)松動會(hui)引(yin)起(qi)很多的(de)(de)不(bu)必要的(de)(de)麻煩。

冷卻塔電機不轉的維修

冷卻塔風(feng)(feng)(feng)(feng)機(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)不(bu)(bu)(bu)轉的(de)(de)(de)(de)原(yuan)(yuan)因主要有(you)：繞(rao)組斷(duan)路、缺油(you)抱(bao)軸(zhou)(zhou)(zhou)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)異常等。從對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)的(de)(de)(de)(de)維(wei)修實踐來看，后兩(liang)種故(gu)(gu)(gu)障居多。對于(yu)不(bu)(bu)(bu)轉的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)，我(wo)的(de)(de)(de)(de) 維(wei)修步(bu)驟是(shi)(shi)(shi)(shi)，測(ce)(ce)(ce)插頭(tou)、轉電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)、量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)、再(zai)處理。 第一(yi)步(bu)，測(ce)(ce)(ce)量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)運行和(he)調速繞(rao)組。先(xian)把電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)定時器(qi)(qi)(qi)旋轉一(yi)下，當聽(ting)到(dao)有(you)嗒嗒聲時，說明定時器(qi)(qi)(qi)是(shi)(shi)(shi)(shi)正(zheng)常的(de)(de)(de)(de)。如(ru)(ru)果(guo)(guo)(guo)沒有(you)嗒嗒聲，說明定時器(qi)(qi)(qi) 損壞。如(ru)(ru)果(guo)(guo)(guo)無電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻值，可(ke)(ke)(ke)能(neng)(neng)是(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)繞(rao)組燒毀斷(duan)路。對串有(you)熱(re)熔(rong)斷(duan)器(qi)(qi)(qi)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)，可(ke)(ke)(ke)能(neng)(neng)是(shi)(shi)(shi)(shi)熱(re)熔(rong)斷(duan)器(qi)(qi)(qi)開(kai)路，還應(ying)拆開(kai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)看一(yi)看，如(ru)(ru)果(guo)(guo)(guo)只是(shi)(shi)(shi)(shi)開(kai)路，短接(jie) 熱(re)熔(rong)斷(duan)器(qi)(qi)(qi)即(ji)可(ke)(ke)(ke)恢復正(zheng)常。檔位(wei)開(kai)關全部(bu)損壞，但可(ke)(ke)(ke)能(neng)(neng)性不(bu)(bu)(bu)大(da)。 第二步(bu)，檢(jian)查(cha)是(shi)(shi)(shi)(shi)否抱(bao)軸(zhou)(zhou)(zhou)，拆開(kai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)護(hu)罩(zhao)，用(yong)手旋動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)軸(zhou)(zhou)(zhou)，如(ru)(ru)果(guo)(guo)(guo)轉不(bu)(bu)(bu)動，說明電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)抱(bao)軸(zhou)(zhou)(zhou)嚴重。拆開(kai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)，先(xian)清除(chu)(chu)前(qian)后軸(zhou)(zhou)(zhou)套和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)軸(zhou)(zhou)(zhou)上(shang)的(de)(de)(de)(de)油(you)污 、銹跡，然后在(zai)前(qian)后軸(zhou)(zhou)(zhou)套的(de)(de)(de)(de)油(you)氈上(shang)加足縫(feng)紉機(ji)(ji)油(you)，大(da)部(bu)分(fen)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)都能(neng)(neng)排除(chu)(chu)故(gu)(gu)(gu)障。 第三步(bu)，測(ce)(ce)(ce)量啟(qi)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)，如(ru)(ru)果(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)軸(zhou)(zhou)(zhou)旋轉靈活，就(jiu)要測(ce)(ce)(ce)量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)(de)啟(qi)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)。首(shou)先(xian)，用(yong)萬用(yong)表R×100Ω檔，測(ce)(ce)(ce)量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)啟(qi)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)兩(liang)端，整個 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)運行、啟(qi)動和(he)調速繞(rao)組的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻值，即(ji)黑色(se)和(he)**引(yin)線的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻值。 能(neng)(neng)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)的(de)(de)(de)(de)維(wei)修 對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)能(neng)(neng)動的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)，我(wo)是(shi)(shi)(shi)(shi)根據(ju)實際情況(kuang)，一(yi)步(bu) 到(dao)位(wei)。而不(bu)(bu)(bu)是(shi)(shi)(shi)(shi)象上(shang)述(shu)那樣，按部(bu)就(jiu)班地(di)進行維(wei)修。如(ru)(ru)果(guo)(guo)(guo)用(yong)戶(hu)說，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)先(xian)慢(man)慢(man)轉，然后漸(jian)漸(jian)變(bian)快。根據(ju)經(jing)驗，一(yi)般(ban)是(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)輕微抱(bao)軸(zhou)(zhou)(zhou)。原(yuan)(yuan)因是(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian) 風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)潤滑油(you)初期缺失。直接(jie)拆開(kai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)，在(zai)前(qian)后軸(zhou)(zhou)(zhou)套的(de)(de)(de)(de)油(you)氈上(shang)加足縫(feng)紉機(ji)(ji)油(you)，一(yi)般(ban)即(ji)可(ke)(ke)(ke)修復。 遙(yao)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)扇(shan)(shan)(shan)(shan)，上(shang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)就(jiu)轉故(gu)(gu)(gu)障的(de)(de)(de)(de)排除(chu)(chu) 現在(zai)的(de)(de)(de)(de)遙(yao) 控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)扇(shan)(shan)(shan)(shan)控(kong)制執行元件(jian)基(ji)本上(shang)都是(shi)(shi)(shi)(shi)可(ke)(ke)(ke)控(kong)硅。從原(yuan)(yuan)理可(ke)(ke)(ke)知(zhi)可(ke)(ke)(ke)控(kong)硅實質等同(tong)于(yu)開(kai)關可(ke)(ke)(ke)控(kong)硅擊穿等同(tong)于(yu)開(kai)關接(jie)通(tong)。接(jie)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)當然就(jiu)轉了。 如(ru)(ru)一(yi)臺(tai) 落(luo)地(di)遙(yao)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)使用(yong)時遙(yao)控(kong)各(ge)功(gong)能(neng)(neng)基(ji)本正(zheng)常，但是(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)關閉后不(bu)(bu)(bu)是(shi)(shi)(shi)(shi)拔掉電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源手摸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)有(you)明顯的(de)(de)(de)(de)震動感，并且電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)發出嗡(weng)嗡(weng)聲，夜晚尤為(wei) 明顯細看電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)扇(shan)(shan)(shan)(shan)葉也在(zai)緩(huan)慢(man)地(di)轉動。因為(wei)各(ge)項控(kong)制功(gong)能(neng)(neng)基(ji)本正(zheng)常說明，MCU正(zheng)常，從上(shang)述(shu)原(yuan)(yuan)理可(ke)(ke)(ke)知(zhi)可(ke)(ke)(ke)控(kong)硅有(you)故(gu)(gu)(gu)障。

冷卻塔電機使用壽命長無噪聲

冷(leng)卻(que)(que)塔電(dian)(dian)(dian)機(ji)就是(shi)(shi)在(zai)原來的(de)(de)(de)(de)(de)冷(leng)卻(que)(que)塔基礎上(shang)在(zai)各方面再進行(xing)改造，比如用水輪(lun)(lun)機(ji)來替代原來的(de)(de)(de)(de)(de)風葉電(dian)(dian)(dian)機(ji)這(zhe)樣的(de)(de)(de)(de)(de)一(yi)(yi)種改造就是(shi)(shi)非常明智(zhi)的(de)(de)(de)(de)(de)改造，這(zhe)才使(shi)得現在(zai)我(wo)們使(shi)用的(de)(de)(de)(de)(de)冷(leng)卻(que)(que)塔電(dian)(dian)(dian)機(ji)能有(you)這(zhe)么好的(de)(de)(de)(de)(de)使(shi)用效(xiao)應，所(suo)以(yi)說(shuo)冷(leng)卻(que)(que)塔從以(yi)前發展到現在(zai)就是(shi)(shi)一(yi)(yi)個很(hen)明顯的(de)(de)(de)(de)(de)進步，冷(leng)卻(que)(que)塔電(dian)(dian)(dian)機(ji)有(you)如下(xia)特(te)點： 1、節(jie)能：冷(leng)卻(que)(que)塔利用水輪(lun)(lun)機(ji)取代風葉電(dian)(dian)(dian)機(ji)，完全節(jie)省了風葉電(dian)(dian)(dian)機(ji)的(de)(de)(de)(de)(de)運(yun)行(xing)電(dian)(dian)(dian)耗(hao)，且(qie)沒(mei)有(you)增加循環水泵的(de)(de)(de)(de)(de)運(yun)行(xing)電(dian)(dian)(dian)流，為用戶節(jie)約了巨額(e)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)費(fei)。 2、無噪(zao)聲：水輪(lun)(lun)機(ji)的(de)(de)(de)(de)(de)能量(liang)轉換是(shi)(shi)在(zai)水流道內(nei)完成(cheng)的(de)(de)(de)(de)(de)，并且(qie)取消(xiao)了電(dian)(dian)(dian)機(ji)及(ji)減速(su)機(ji)，消(xiao)除(chu)了低頻(pin)電(dian)(dian)(dian)磁聲及(ji)大幅降低了機(ji)械噪(zao)音。 3、高效(xiao)：水輪(lun)(lun)機(ji)軸直(zhi)接(jie)(jie)驅動風機(ji)，不(bu)需再通過其它減速(su)器(qi)等(deng)，且(qie)隨著(zhu)水流量(liang)的(de)(de)(de)(de)(de)變(bian)化而風量(liang)相應變(bian)化，始終穩定在(zai)較(jiao)好的(de)(de)(de)(de)(de)氣水比，確(que)保散熱效(xiao)果。 4、使(shi)用壽命長(chang)：水輪(lun)(lun)機(ji)結(jie)構簡單，技(ji)術成(cheng)熟可行(xing)，整(zheng)體設計(ji)工作(zuo)壽命為15年以(yi)上(shang)。水輪(lun)(lun)機(ji)殼體為鑄造與焊接(jie)(jie)混合結(jie)構，焊接(jie)(jie)鋼板為含(han)錳(meng)量(liang)3.5％的(de)(de)(de)(de)(de)進口(kou)鍋爐專用鋼板，長(chang)時(shi)間使(shi)用不(bu)易(yi)銹蝕，葉輪(lun)(lun)為精(jing)鑄成(cheng)型，并經退火消(xiao)除(chu)應力后再作(zuo)平衡(heng)調整(zheng).