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15962507131
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News Center1.更(geng)換(huan)時，選(xuan)用(yong)了(le)與實際(ji)運(yun)行工(gong)況參(can)數相(xiang)接(jie)近的離(li)心(xin)(xin)(xin)泵(beng)(beng)，保證了(le)更(geng)換(huan)后的泵(beng)(beng)始終(zhong)在狀態下運(yun)行。我們做了(le)離(li)心(xin)(xin)(xin)泵(beng)(beng)更(geng)換(huan)前后效(xiao)率對比(bi)實驗，實驗表明，更(geng)換(huan)低效(xiao)、高(gao)耗離(li)心(xin)(xin)(xin)泵(beng)(beng)后，可提高(gao)泵(beng)(beng)效(xiao)10％左右。2.變頻(pin)(pin)節(jie)能技術(shu)的應(ying)用(yong)。對設計參(can)數大于實際(ji)運(yun)行工(gong)況的離(li)心(xin)(xin)(xin)泵(beng)(beng)，加(jia)裝變頻(pin)(pin)調速裝置后，始終(zhong)運(yun)行在區。3.在主(zhu)要離(li)心(xin)(xin)(xin)泵(beng)(beng)上推廣應(ying)用(yong)節(jie)能的永磁調速電(dian)機及(ji)雙功(gong)率電(dian)機等新(xin)型節(jie)能產(chan)品。4.離(li)心(xin)(xin)(xin)泵(beng)(beng)的選(xuan)擇。選(xuan)用(yong)新(xin)泵(beng)(beng)時，應(ying)選(xuan)大廠家生(sheng)產(chan)的泵(beng)(beng)，以保證離(li)心(xin)(xin)(xin)泵(beng)(beng)率。5.離(li)心(xin)(xin)(xin)泵(beng)(beng)的維護。（1）要經(jing)常對離(li)心(xin)(xin)(xin)泵(beng)(beng)軸(zhou)端(duan)密封(feng)進(jin)行檢查和調整，降(jiang)低容積...
NBR丁氰橡膠密(mi)封圈:適合于(yu)石油(you)(you)系(xi)液(ye)壓(ya)油(you)(you)、甘(gan)醇系(xi)液(ye)壓(ya)油(you)(you)、二酯系(xi)潤滑油(you)(you)、汽(qi)油(you)(you)、水、硅潤滑脂、硅油(you)(you)等介質中(zhong)使用(yong)(yong)。是目前用(yong)(yong)途zui廣、成本zui低的(de)橡膠密(mi)封件。不(bu)適用(yong)(yong)于(yu)極性溶劑之中(zhong)（高溫泵機械(xie)密(mi)封），例如酮類、臭(chou)氧、硝基烴(jing)、MEK和氯(lv)仿。一(yi)般使用(yong)(yong)溫度范圍(wei)為-40~120℃。HNBR氫(qing)化丁氰橡膠密(mi)封圈:具有的(de)抗(kang)腐蝕、抗(kang)撕裂和抗(kang)壓(ya)縮(suo)變(bian)形特(te)性，耐臭(chou)氧、耐陽光、耐天候性較好(hao)。比(bi)丁氰橡膠有更佳的(de)抗(kang)磨性。適用(yong)(yong)于(yu)洗滌機械(xie)、汽(qi)車發動(dong)機系(xi)統及使用(yong)(yong)新型(xing)環保冷媒(mei)R134a的(de)制冷系(xi)統中(zhong)。不(bu)建(jian)議使用(yong)(yong)于(yu)醇類、...
多(duo)級泵的(de)(de)(de)檢修(xiu)如果有條件(jian)(jian)的(de)(de)(de)話，先(xian)看(kan)一(yi)遍制造廠的(de)(de)(de)維護說明(ming)書及總裝(zhuang)配(pei)圖(tu)，看(kan)看(kan)有哪些特殊的(de)(de)(de)地方需要注(zhu)意。一(yi).解體(ti)時：1.拆止(zhi)推軸承前(qian)應(ying)利用(yong)百分表測(ce)量(liang)出平衡盤(pan)間隙，并做好記錄；2.多(duo)級泵解體(ti)時必(bi)須(xu)將各零(ling)件(jian)(jian)按(an)原裝(zhuang)配(pei)順序做好記號，以免(mian)回裝(zhuang)時混亂、裝(zhuang)錯；3.不便于(yu)做記號的(de)(de)(de)小件(jian)(jian)（比如鍵）可與同(tong)級的(de)(de)(de)葉(xie)輪或導葉(xie)（中段(duan)）等(deng)放在一(yi)起(qi)。4.解體(ti)時可直(zhi)觀感覺一(yi)下是(shi)否有不正常的(de)(de)(de)零(ling)件(jian)(jian)，比如配(pei)合松動等(deng)。二.零(ling)件(jian)(jian)檢修(xiu)：1.目測(ce)各零(ling)件(jian)(jian)表面是(shi)否正常，各配(pei)合面必(bi)須(xu)無磕碰劃傷、無銹蝕等(deng)；2.用(yong)量(liang)具(ju)實測(ce)關鍵配(pei)合部位公差是(shi)否...
目前我(wo)(wo)國(guo)電(dian)(dian)(dian)(dian)機(ji)生(sheng)產(chan)企業(ye)眾多，單一生(sheng)產(chan)企業(ye)*普(pu)遍較低(di)，市場集中(zhong)(zhong)度不高(gao)(gao)。隨著中(zhong)(zhong)國(guo)工業(ye)經濟的發展，電(dian)(dian)(dian)(dian)機(ji)得到廣泛應用。據統計，電(dian)(dian)(dian)(dian)機(ji)系(xi)(xi)統用電(dian)(dian)(dian)(dian)量(liang)(liang)約(yue)占(zhan)全國(guo)用電(dian)(dian)(dian)(dian)量(liang)(liang)的60%，其中(zhong)(zhong)風機(ji)用電(dian)(dian)(dian)(dian)占(zhan)全國(guo)用電(dian)(dian)(dian)(dian)量(liang)(liang)的10.4%，泵類電(dian)(dian)(dian)(dian)機(ji)占(zhan)20.9%，壓縮機(ji)占(zhan)9.4%。但(dan)是，我(wo)(wo)國(guo)80%以上的電(dian)(dian)(dian)(dian)機(ji)產(chan)品效(xiao)率(lv)比(bi)*進(jin)水平(ping)低(di)2%-5%，電(dian)(dian)(dian)(dian)機(ji)系(xi)(xi)統效(xiao)率(lv)比(bi)*進(jin)水平(ping)低(di)10%-20%。因此，我(wo)(wo)國(guo)在提(ti)高(gao)(gao)電(dian)(dian)(dian)(dian)機(ji)系(xi)(xi)統效(xiao)率(lv)、加強系(xi)(xi)統節能(neng)管理方面有著巨大需求。要為電(dian)(dian)(dian)(dian)動(dong)機(ji)。（高(gao)(gao)溫熱水循環(huan)泵）電(dian)(dian)(dian)(dian)動(dong)機(ji)在將電(dian)(dian)(dian)(dian)能(neng)轉換為機(ji)械(xie)能(neng)的同時(shi)，本(ben)身也損耗一部分能(neng)量(liang)(liang)，...
夏季是(shi)(shi)(shi)水(shui)泵(beng)使(shi)(shi)用(yong)頻率zui高的季節，對于農(nong)林(lin)業(ye)而言(yan)，由于勞動力成(cheng)本(ben)不(bu)斷升高，越來越多的人(ren)會選擇水(shui)泵(beng)等機械排灌設施來代替人(ren)工(gong)作業(ye)。zui近就(jiu)常有讀(du)者(zhe)水(shui)泵(beng)使(shi)(shi)用(yong)中的一(yi)些(xie)問題，記者(zhe)從(cong)中選取了幾個典型的問題向行業(ye)專家進行了咨詢并在這(zhe)(zhe)里與大(da)家分享。“動力配(pei)(pei)套不(bu)合(he)理”是(shi)(shi)(shi)目(mu)前在機械排灌中比(bi)較突出的現(xian)象，主要是(shi)(shi)(shi)“大(da)馬(ma)拉小(xiao)(xiao)(xiao)車”或“小(xiao)(xiao)(xiao)馬(ma)拉大(da)車”。比(bi)如，一(yi)臺水(shui)泵(beng)本(ben)應選配(pei)(pei)17千瓦(wa)電動機，卻誤配(pei)(pei)成(cheng)22千瓦(wa)電動機，要是(shi)(shi)(shi)按照(zhao)年工(gong)作3000小(xiao)(xiao)(xiao)時計算，要多耗電1萬多千瓦(wa)時。這(zhe)(zhe)就(jiu)是(shi)(shi)(shi)所謂的“大(da)馬(ma)拉小(xiao)(xiao)(xiao)車”現(xian)象，不(bu)過這(zhe)(zhe)種...
三(san)、引水(shui)(shui)(shui)(shui)方式(shi)(shi)的(de)(de)選(xuan)(xuan)擇(ze)當(dang)機(ji)房靠(kao)近(jin)水(shui)(shui)(shui)(shui)源(yuan)(yuan)，水(shui)(shui)(shui)(shui)源(yuan)(yuan)含沙量(liang)(liang)較小(xiao)，水(shui)(shui)(shui)(shui)位變化幅度較小(xiao)，引水(shui)(shui)(shui)(shui)流量(liang)(liang)不大時(shi)(shi)(shi)，可選(xuan)(xuan)用(yong)(yong)管(guan)式(shi)(shi)引水(shui)(shui)(shui)(shui)，岸(an)坡(po)較陡(dou)時(shi)(shi)(shi)采用(yong)(yong)直管(guan)式(shi)(shi)，較緩時(shi)(shi)(shi)用(yong)(yong)斜桿管(guan)式(shi)(shi)。當(dang)機(ji)房靠(kao)近(jin)水(shui)(shui)(shui)(shui)源(yuan)(yuan)，水(shui)(shui)(shui)(shui)源(yuan)(yuan)含沙量(liang)(liang)較大且岸(an)坡(po)巖(yan)基(ji)較陡(dou)時(shi)(shi)(shi)，可選(xuan)(xuan)用(yong)(yong)涵洞引水(shui)(shui)(shui)(shui)。當(dang)岸(an)坡(po)較緩，出水(shui)(shui)(shui)(shui)建筑物(wu)離水(shui)(shui)(shui)(shui)源(yuan)(yuan)較遠時(shi)(shi)(shi)，可選(xuan)(xuan)用(yong)(yong)明渠引水(shui)(shui)(shui)(shui)，以縮短壓力管(guan)道(dao)長度，降低工程造價。四、穿墻(qiang)管(guan)連接形式(shi)(shi)選(xuan)(xuan)擇(ze)1.剛性連接對(dui)于取(qu)水(shui)(shui)(shui)(shui)泵(beng)(beng)站，當(dang)機(ji)組采用(yong)(yong)落井式(shi)(shi)安裝方式(shi)(shi)（水(shui)(shui)(shui)(shui)泵(beng)(beng)和(he)動力機(ji)的(de)(de)基(ji)準(zhun)面均低于校核(he)洪水(shui)(shui)(shui)(shui)位）或半落井式(shi)(shi)（水(shui)(shui)(shui)(shui)泵(beng)(beng)的(de)(de)基(ji)準(zhun)面低于校核(he)洪水(shui)(shui)(shui)(shui)位，動力機(ji)的(de)(de)基(ji)準(zhun)面高于校核(he)洪水(shui)(shui)(shui)(shui)位）時(shi)(shi)(shi)，為了...
軸(zhou)(zhou)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)是(shi)防止泵(beng)軸(zhou)(zhou)與殼體處泄(xie)漏(lou)(lou)而(er)設(she)置的(de)(de)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)裝置。常(chang)用(yong)的(de)(de)軸(zhou)(zhou)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)形式(shi)有(you)(you)(you)填(tian)(tian)(tian)料(liao)(liao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)、機(ji)(ji)械密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)和動(dong)力封(feng)(feng)(feng)(feng)(feng)(feng)(feng)。往復(fu)泵(beng)的(de)(de)軸(zhou)(zhou)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)通常(chang)是(shi)填(tian)(tian)(tian)料(liao)(liao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)。當輸(shu)送不(bu)允泄(xie)漏(lou)(lou)介質時。可采用(yong)隔膜式(shi)往復(fu)泵(beng)。旋轉(zhuan)(zhuan)式(shi)泵(beng)（含葉片(pian)式(shi)泵(beng)、轉(zhuan)(zhuan)子(zi)泵(beng)等）的(de)(de)軸(zhou)(zhou)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)主要有(you)(you)(you)填(tian)(tian)(tian)料(liao)(liao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)、機(ji)(ji)械密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)和動(dong)力密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)。1．填(tian)(tian)(tian)料(liao)(liao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)填(tian)(tian)(tian)料(liao)(liao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)結構簡單、價格便宜、維(wei)修(xiu)方便，但泄(xie)漏(lou)(lou)量大功(gong)耗損(sun)失(shi)大。因此填(tian)(tian)(tian)料(liao)(liao)料(liao)(liao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)用(yong)于(yu)輸(shu)送一般介質，如水；一般不(bu)適用(yong)于(yu)石(shi)油及化工介質，特別(bie)是(shi)不(bu)能用(yong)在貴重、易爆和有(you)(you)(you)毒介質中。2．機(ji)(ji)械密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)械密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)（也稱端面(mian)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)）的(de)(de)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)效果好，（高(gao)溫泵(beng)）泄(xie)漏(lou)(lou)量很小，...
軸(zhou)承(cheng)冷卻(que)BTX進(jin)料(liao)泵在(zai)催(cui)化(hua)劑再生(sheng)時(shi)，運行溫(wen)度(du)(du)(du)接近上限(xian)，一般應對軸(zhou)承(cheng)箱進(jin)行冷卻(que)，降低油溫(wen)。軸(zhou)封對軸(zhou)封的要(yao)求雖然高，但單端面機(ji)械密封已(yi)能滿足(zu)要(yao)求。不過(guo)(guo)因為(wei)壓(ya)力高，介質粘(zhan)度(du)(du)(du)小，一般都應選用內裝式平(ping)衡型機(ji)械密封。中心線支撐橫鍵定(ding)(ding)位（熱油循(xun)環泵）臥式泵溫(wen)度(du)(du)(du)超過(guo)(guo)177℃時(shi)，通常(chang)都要(yao)使(shi)用中心線支撐的泵體(ti)，以避免泵體(ti)受熱后單向(xiang)膨脹危及泵的正(zheng)常(chang)運行。同(tong)時(shi)，支撐面上應設(she)有橫鍵固定(ding)(ding)泵的軸(zhou)向(xiang)位置。耐磨密封環由(you)于介質粘(zhan)度(du)(du)(du)低（2.1~3.1mPa.s），為(wei)減(jian)小內泄漏，提率(lv)，維持泵自愛溫(wen)度(du)(du)(du)變化(hua)時(shi)的性能穩(wen)定(ding)(ding)...
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