①. 對(dui)于使用(yong)電動機超過200kW(2000kg)的大型泵,當檢查維修時(shi)(shi)不能使用(yong)叉(cha)車或吊(diao)車時(shi)(shi),如管廊下(xia)、管廊和(he)設(she)備之間等,應設(she)置(zhi)吊(diao)梁(載重滑車梁)。設(she)置(zhi)時(shi)(shi)應充分考慮泵殼、葉輪(lun)軸的拆卸以及用(yong)于外抽時(shi)(shi)的吊(diao)梁。


  ②. 原(yuan)則上(shang)每臺(tai)泵都設一根(gen)吊梁,但(dan)是如(ru)果起吊區無空間(jian),亦可兼用(yong)一根(gen)。


  ③. 設置在(zai)管(guan)廊下(xia)的泵,其吊梁高度應(ying)不(bu)影響出入(ru)管(guan)廊的配(pei)管(guan)、儀表(biao)電氣管(guan)纜及照明(ming)用支架懸臂。



工程(cheng)應用:管廊上(shang)安裝空冷器時(shi)泵的(de)布(bu)置


  見(jian)圖9.4,在(zai)管(guan)廊(lang)下6m一跨之(zhi)(zhi)內,可布(bu)置大(da)型(xing)泵(beng)(beng)(beng)1臺(tai)、中(zhong)(zhong)(zhong)型(xing)泵(beng)(beng)(beng)2臺(tai)、小(xiao)(xiao)型(xing)泵(beng)(beng)(beng)3臺(tai),一般(ban)泵(beng)(beng)(beng)單排(pai)布(bu)置,出口中(zhong)(zhong)(zhong)心(xin)(xin)(xin)線(xian)對(dui)(dui)齊,距(ju)管(guan)廊(lang)柱(zhu)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)線(xian)的(de)(de)(de)(de)(de)間(jian)距(ju)在(zai)600~2000mm之(zhi)(zhi)間(jian)。在(zai)管(guan)廊(lang)上方有(you)(you)空冷器時(shi),如泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)操(cao)作溫度(du)(du)在(zai)340℃以下則泵(beng)(beng)(beng)布(bu)置在(zai)管(guan)廊(lang)外側(ce),泵(beng)(beng)(beng)出口中(zhong)(zhong)(zhong)心(xin)(xin)(xin)線(xian)對(dui)(dui)齊,伸出管(guan)廊(lang)距(ju)柱(zhu)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)線(xian)0.6m。泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)驅動(dong)機在(zai)管(guan)廊(lang)內側(ce)。如泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)操(cao)作溫度(du)(du)等于或大(da)于340℃時(shi),則泵(beng)(beng)(beng)布(bu)置在(zai)管(guan)廊(lang)外側(ce),泵(beng)(beng)(beng)出口中(zhong)(zhong)(zhong)心(xin)(xin)(xin)線(xian)對(dui)(dui)齊,距(ju)管(guan)廊(lang)柱(zhu)中(zhong)(zhong)(zhong)心(xin)(xin)(xin)線(xian)3m。泵(beng)(beng)(beng)的(de)(de)(de)(de)(de)驅動(dong)機也在(zai)管(guan)廊(lang)外側(ce)。泵(beng)(beng)(beng)前(qian)方的(de)(de)(de)(de)(de)操(cao)作檢修(xiu)(xiu)通(tong)道,可能有(you)(you)小(xiao)(xiao)型(xing)叉車通(tong)行(xing),其(qi)寬度(du)(du)不小(xiao)(xiao)于1250mm,在(zai)多級(ji)泵(beng)(beng)(beng)前(qian)方的(de)(de)(de)(de)(de)寬度(du)(du)不小(xiao)(xiao)于1800mm。兩排(pai)泵(beng)(beng)(beng)之(zhi)(zhi)間(jian)的(de)(de)(de)(de)(de)檢修(xiu)(xiu)通(tong)道,寬度(du)(du)不小(xiao)(xiao)于3000mm,如不夠時(shi),泵(beng)(beng)(beng)端應有(you)(you)3000mm的(de)(de)(de)(de)(de)通(tong)道。


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工程應用(yong):管廊(lang)上沒有安裝空冷器時泵的布置設(she)計(ji)


   管廊上沒(mei)有安裝空冷(leng)器時泵的布置設計見圖(tu) 9.5 


工程(cheng)應用:框架下的(de)泵的(de)布置設計


  框架下的泵的布置設計見圖 9.6 

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