離(li)心(xin)(xin)式(shi)通(tong)(tong)風(feng)機(ji)看(kan)似使(shi)用(yong)(yong)非常的(de)(de)(de)簡單(dan),但是在操(cao)作使(shi)用(yong)(yong)離(li)心(xin)(xin)式(shi)通(tong)(tong)風(feng)機(ji)的(de)(de)(de)過程(cheng)中還需(xu)要(yao)遵(zun)循規定的(de)(de)(de)要(yao)求(qiu),在啟(qi)動、運(yun)轉到關停離(li)心(xin)(xin)式(shi)通(tong)(tong)風(feng)機(ji),每一個操(cao)作步驟(zou)都應該符(fu)(fu)合使(shi)用(yong)(yong)要(yao)求(qiu),這樣才能夠(gou)保證離(li)心(xin)(xin)式(shi)通(tong)(tong)風(feng)機(ji)的(de)(de)(de)正常使(shi)用(yong)(yong),減少設備故障問題的(de)(de)(de)出現。那么(me)使(shi)用(yong)(yong)離(li)心(xin)(xin)式(shi)通(tong)(tong)風(feng)機(ji)應符(fu)(fu)合哪些要(yao)求(qiu)?
一、開啟(qi)電動機,各(ge)部位應(ying)無異常現象和(he)摩擦聲響(xiang),方可進行運(yun)轉(zhuan);
二(er)、離(li)心式通風機啟動達(da)到(dao)正(zheng)常轉(zhuan)速(su)后,應首(shou)先在調(diao)節(jie)門開(kai)度為(wei)0°~5°之間的小負荷運轉(zhuan),待達(da)到(dao)軸承(cheng)溫升穩定后連續運轉(zhuan)時(shi)間不(bu)應小于20min;
三(san)、小(xiao)(xiao)負荷運轉正常后,應逐漸開大調(diao)節門但電(dian)動機(ji)電(dian)流不(bu)(bu)得超過額定值,直至(zhi)規定的負荷為止(zhi),連續運轉時間不(bu)(bu)應小(xiao)(xiao)于(yu)2h;
四(si)、具有滑動(dong)軸承(cheng)(cheng)的大型離心式通(tong)風機,負荷(he)試運轉2h后應(ying)停(ting)機檢查(cha)軸承(cheng)(cheng),軸承(cheng)(cheng)應(ying)無異常(chang),當合金表面(mian)有局部研(yan)傷(shang)時,應(ying)進行修整,再(zai)連續運轉不(bu)應(ying)小于6h;
五、高(gao)溫離心通風機(ji)當(dang)進行(xing)高(gao)溫試運轉(zhuan)(zhuan)時,其(qi)(qi)升溫速(su)率(lv)不應大于(yu)50℃/h;當(dang)進行(xing)冷態試運轉(zhuan)(zhuan)時,其(qi)(qi)電(dian)機(ji)不得超負荷運轉(zhuan)(zhuan);
六、試運(yun)轉中(zhong),滾(gun)動(dong)(dong)軸承溫升不(bu)得(de)超過(guo)(guo)環(huan)境溫度(du)(du)40℃;滑(hua)動(dong)(dong)軸承溫度(du)(du)不(bu)得(de)超過(guo)(guo)65℃;軸承部位(wei)的(de)振動(dong)(dong)速度(du)(du)有效值(均(jun)方根速度(du)(du)值)不(bu)應大于6.3mm/s.
在(zai)(zai)離心式(shi)通風機啟動(dong)之前,必須檢查所有(you)設備是否符合使用要求,對(dui)通風機設備存在(zai)(zai)的故障(zhang)問題(ti)要在(zai)(zai)啟動(dong)之前就應(ying)該排查完畢。
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