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    進(jìn)口臥式管道離心泵

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    產(chǎn)品簡(jiǎn)介

    一、進(jìn)口臥式管道離心泵產(chǎn)品概述美國尼科NICO進(jìn)口臥式管道離心泵根據離心泵與立式泵的結構組合設計的高效節能產(chǎn)品

    詳細介紹

    一、進(jìn)口臥式管道離心泵產(chǎn)品概述

    美國尼科NICO進(jìn)口臥式管道離心泵根據離心泵與立式泵的結構組合設計的高效節能產(chǎn)品。采用水力模型優(yōu)化設計而成,在其結構基礎上與一般臥式管道離心泵組合設計而成,解決了聯(lián)軸器固有的容易松動(dòng)的弊端后,性能更加穩定。同時(shí)根據使用溫度、介質(zhì)等不同在基礎上派生出熱水泵、高溫泵、化工泵、油泵等。

    二、進(jìn)口臥式管道離心泵選型參數

    公稱(chēng)通徑:DN15-DN500

    流量范圍:1450m3/h

    揚程范圍:150m

    功率范圍:0.75-250kW

    轉速范圍:740-2900r/min

    溫度范圍 :-20℃~120℃

    工作壓力:≤1.6Mpa

    泵體材質(zhì):WCB、304、316、四氟

    三、進(jìn)口臥式管道離心泵應用

    1、臥式清水泵,供輸送清水及物理化學(xué)性質(zhì)類(lèi)似于清水的其他液體之用,適用于工業(yè)和城市給排水,高層建筑增壓送水,園林噴灌,消防增壓,遠距離輸送,暖通制冷循環(huán)、浴室等冷暖水循環(huán)增壓及設備配套,使用溫度T≤80℃。

    2、臥式熱水泵廣泛適用于:冶金、化工、紡織、造紙、以及賓館飯店等鍋爐熱水增壓循環(huán)輸送及城市采暖系統,使用溫度T≤120℃。

    3、臥式化工泵,供輸送不含固體顆料,具有腐蝕性,粘度類(lèi)似于水的液體,適用于石油、化工、冶金、電力、造紙、食品制藥和合成纖維等部門(mén),使用溫度為-20~C~+120℃。

    4、臥式管道油泵,供輸送汽油、煤油、柴油等用油類(lèi)產(chǎn)品或易燃、易爆液體,被輸送介質(zhì)溫度為-20~C~+120℃。

    四、進(jìn)口臥式管道離心泵工作條件

    1、環(huán)境溫度<40℃,相對濕度<95%。

    2、所輸送介質(zhì)中固體顆粒體積含量不超過(guò)單位體積的0.1%,粒度<0.2mm。

    注:如使用介質(zhì)為帶有細小顆粒,請在訂貨時(shí)注明,以便廠(chǎng)家采用耐磨式機械密封。

    進(jìn)口臥式管道離心泵特點(diǎn):

    ·運行平穩:泵軸的同心度葉輪優(yōu)異的動(dòng)靜平衡,保證平穩運行,振動(dòng)。

    ·滴水不漏:不同材質(zhì)的硬質(zhì)合金密封,保證了不同介質(zhì)輸送均無(wú)泄漏。

    ·噪音低:兩個(gè)低噪音軸承下的水泵,運轉平穩,除電機微弱聲響,基本無(wú)噪聲。

    ·故障率低:結構簡(jiǎn)單合理,關(guān)鍵部分采用配套,整機工作時(shí)間大大提高。

    ·維修方便:更換密封、軸承、簡(jiǎn)易方便。

    ·占地更?。撼隹诳上蜃?、向右、向上三個(gè)方向,便于管道布置安裝,節省空間。

    五、進(jìn)口臥式管道離心泵結構圖


    六、進(jìn)口臥式管道離心泵主要材料表

    1底座4葉輪7擋水圈10
    2放水孔5取壓孔8端蓋

    3泵體6機械密封9電機

    1電動(dòng)機:直接與水泵聯(lián)接傳送動(dòng)力,采用加長(cháng)軸電機。

    2泵軸:與電機同軸,為電機加長(cháng)軸,確保了軸的同心,使泵運轉平穩。噪音低、振動(dòng)小,采用鍍鉻處理,增強了使用壽命。

    3擋水圈:防止因密封漏水而使電機進(jìn)水。

    4機械密封:采用不銹鋼、碳化鎢、氟橡膠等材料制成。平衡式耐高溫。高壓機械密封,運行壽命長(cháng),不易滲漏,對軸無(wú)磨損,不積水垢,保證工作環(huán)境的整潔。

    5取壓塞:可安裝壓力表直觀(guān)監控泵的運行。

    6泵體:壓出塞和吸入室設計合理,設有安裝底腳,便于安裝和運行穩固。

    7放氣塞:灌泵時(shí)排凈泵內空氣,保證了泵的正常啟動(dòng)。

    8葉輪:采用合理的水力模型設計而成,可靠性較好。

    七、進(jìn)口臥式離心泵流量意義


    八、進(jìn)口臥式離心泵起動(dòng)與停車(chē)

    進(jìn)口臥式離心泵起動(dòng)前準備:

    1、試驗電機轉向是否正確,從電機頂部往泵看為順時(shí)針旋轉,試驗時(shí)間要短,以免使機械密封干磨損。

    2、打幵排氣口使液體充滿(mǎn)整個(gè)泵體,待滿(mǎn)后關(guān)閉排氣閥。

    3、檢查各部位是否正常。

    4、用手盤(pán)動(dòng)泵以使潤滑液逬入機械密封端面。

    5、高溫型應先逬行預熱,升溫速度50℃/小時(shí),以保證各部受熱均勻。

    九、進(jìn)口臥式離心泵起動(dòng)前檢查

    1、全開(kāi)進(jìn)口處閥門(mén)。2、關(guān)閉吐出管路閥門(mén)。3、起動(dòng)電機,觀(guān)察泵運行是否正桷。4、調節出口閥幵度以所需工況,如用戶(hù)在泵出口處裝有流靈表或壓力表,應通過(guò)調節出口閥門(mén)幵度使泵在性能參數表所列的頷定點(diǎn)上運轉,如用戶(hù)在泵出口處裝有流量表或壓力表,應通過(guò)調節出口闔門(mén)幵度,測量泵的電機電流,使電機在額定電流內運行,否則將造成泵超負荷運行(即大電流運行)至使電機燒壞。調正好的出口閥門(mén)幵啟大與小和管道工況有關(guān)。5、檢査軸封泄漏情況,正常時(shí)機械密封泄漏應小于3滴/分。6、檢查電機、軸承處溫升≦70℃。

    停車(chē):

    1、高溫型先降溫,降溫速度<10℃/分,把溫度降低到80℃以下,才能停車(chē)。2、關(guān)閉吐出管路閥門(mén)。3、停止電機。4、關(guān)閉進(jìn)口處閥門(mén)。5、如長(cháng)期停車(chē),應將泵內液體放盡。

    七、進(jìn)口臥式離心泵泵的維護

    1、運行中的維護:

    (2)進(jìn)口處管道必須充滿(mǎn)液體,禁止泵在汽蝕狀態(tài)下長(cháng)期運行。(2)定時(shí)檢查電機電流値,不得超過(guò)電機頷定電流。(3)泵進(jìn)行長(cháng)期運行后,由于機械磨損,使機組噪音及振動(dòng)增大時(shí),應停車(chē)檢查,必要時(shí)可更換易損零件及軸承,機組大修期一般為一年。

    2、機械密封維護:

    (1)機械密封潤滑應清潔無(wú)固體顆粒。(2)嚴禁機械密封在干磨情況下工作。(3)起動(dòng)前應先盤(pán)動(dòng)泵(電機)幾圈,以免突然起動(dòng)造成石墨環(huán)斷裂損壞。(4)密封泄漏量允差3滴/分。否則應檢查。

    十、進(jìn)口臥式離心泵性能參數

    序號規格流量揚程
    (m)
    效率
    (%)
    轉速
    (r/min)
    電機功率
    (kW)
    必須汽蝕余量
    (NPSH)r
    重量
    (kg)
    (m3/h)(L/s)
    120-1101.80.5162528000.372.325
    2.50.69153428000.372.3
    3.30.9113.53528000.372.3
    220-1601.80.5331929000.752.329
    2.50.69322529000.752.3
    3.30.91302329000.752.3
    325-1102.80.78163429000.552.326
    41.11154229000.552.3
    5.21.4413.54129000.552.3
    425-1252.80.7820.62829000.752.328
    41.11203629000.752.3
    5.21.44183529000.752.3
    525-125A2.50.69173529000.552.327
    3.61163529000.552.3
    4.61.2814.43529000.552.3
    625-1602.80.78332429001.52.339
    41.11322429001.52.3
    5.21.44302429001.52.3
    725-160A2.60.12293129001.12.334
    3.71.03283129001.12.3
    4.91.36263129001.12.3
    832-1004.512.512.54429000.55227
    932-100(I)4.41.2213.24829000.75232
    6.31.7512.55429000.752
    8.32.3211.35329000.752
    1032-1253.50.97224029000.752.328
    51.39204429000.752.3
    6.51.8184229000.752.3
    1132-125A3.10.8617.64329000.552.3
    4.51.25164329000.552.3
    5.81.6114.44329000.552.3
    1232-1606.55324429001.52.339
    1332-160A41.1253429001.1238
    1432-160(I)4.41.2233.23429002.2247
    6.31.75324029002.22
    8.32.3230.24229002.22
    1532-2004.512.5503229003255
    1632-200(I)4.41.2250.52629004243
    6.31.755033290042
    8.32.324835290042
    1732-200A2.80.7844.63429002.2274
    41.11444029002.22
    5.21.4442.74229002.22
    1840-1004.41.2213.24829000.552.332
    6.31.7512.55429000.552.3
    8.32.3111.35329000.552.3
    1940-100A3.91.0810.65229000.372.3
    5.61.56105229000.372.3
    7.42.0695229000.372.3
    2040-1254.41.22214129001.12.334
    6.31.75204629001.12.3
    8.32.31184329001.12.3
    2140-125A3.91.0817.64029000.752.333
    5.61.56164529000.752.3
    7.42.0614.44129000.752.3
    2240-1604.41.22333529002.22.347
    6.31.75324029002.22.3
    8.32.31304029002.22.3
    2340-160A4.11.14293429001.52.343
    5.91.64283929001.52.3
    7.82.1726.33929001.52.3
    2440-160B3.81.0625.53429001.12.338
    5.51.53243829001.12.3
    7.2222.53729001.12.3
    2540-2004.41.225126290042.374
    6.31.755033290042.3
    8.32.314832290042.3
    2640-200A4.11.144536290032.362
    5.91.644431290032.3
    7.82.174230290032.3
    2740-200B3.71.03382929002.22.352
    5.31.47362929002.22.3
    71.9434.52929002.22.3
    2840-2504.41.22822429007.52.3105
    6.31.75802829007.52.3
    8.32.31742829007.52.3
    2940-250A4.11.14722429005.52.398
    5.91.64702829005.52.3
    7.82.17652729005.52.3
    3040-250B3.71.0661.523290042.377
    5.31.536027290042.3
    71.945626290042.3
    3140-100(I)8.82.4413.25529001.12.334
    12.53.4712.56229001.12.3
    16.34.5311.36029001.12.3
    3240-100(I)A82.2210.66029000.752.332
    113.05106029000.752.3
    14.54.0396029000.752.3
    3340-125(I)8.82.4421.24929001.52.338
    12.53.47205829001.52.3
    16.34.5317.85729001.52.3
    3440-125(I)A82.22175729001.12.333
    113.05165729001.12.3
    14.54.03145729001.12.3
    3540-160(I)8.82.443345290032.356
    12.53.473252290032.3
    16.34.533051290032.3
    3640-160(I)A8.22.28294429002.22.347
    11.73.25285129002.22.3
    15.24.22265029002.22.3
    3740-160(I)B7.32.38235029001.52.343
    10.42.89225029001.52.3
    13.53.7520.55029001.52.3
    3840-200(I)8.82.4451.23829005.52.385
    12.53.47504629005.52.3
    16.34.53484629005.52.3
    3940-200(I)A8.32.314537290042.375
    11.73.254445290042.3
    15.34.254245290042.3
    4040-200(I)B7.52.083744290032.363
    10.62.943644290032.3
    13.83.833444290032.3
    4140-250(I)8.82.4481.2312900112.3145
    12.53.4780382900112.3
    16.34.5377.5402900112.3
    4240-250(I)A8.22.28713829007.52.395
    11.73.22703829007.52.3
    15.24.22683829007.52.3
    4340-250(I)B7.62.1161.43729005.52.394
    10.83603729005.52.3
    143.89583729005.52.3
    4440-250(I)C7.11.9753.23629005.52.388
    102.78523629005.52.3
    13.13.6450.43629005.52.3
    4550-1008.82.4413.65529001.12.336
    12.53.4712.56229001.12.3
    16.34.5311.36029001.12.3
    4650-100A82.22116029000.752.335
    113.05106029000.752.3
    14.54.0396029000.752.3
    4750-1258.82.4421.54929001.52.343
    12.53.47205829001.52.3
    16.34.5317.85729001.52.3
    4850-125A82.22175729001.12.338
    113.05165729001.12.3
    14.54.03145729001.12.3
    4950-1608.82.443345290032.359
    12.53.473252290032.3
    16.34.533051290032.3
    5050-160A8.22.28294429002.22.351
    11.73.25285129002.22.3
    15.24.22265029002.22.3
    5150-160B7.32.38235029001.52.347
    10.42.89225029001.52.3
    13.53.7520.55029001.52.3
    5250-2008.82.44523829005.52.3101
    12.53.47504629005.52.3
    16.34.53484629005.52.3
    5350-200A8.32.3145.837290042.380
    11.73.254445290042.3
    15.34.254845290042.3
    5450-200B7.52.083744290032.368
    10.62.943644290032.3
    13.83.833444290032.3
    5550-2508.82.4482292900112.3160
    12.53.4780382900112.3
    16.34.5377.5402900112.3
    5650-250A8.22.2871.53829007.52.3115
    11.63.22703829007.52.3
    15.24.22683829007.52.3
    5750-250B7.62.1161.43729005.52.3114
    10.83603729005.52.3
    143.89583729005.52.3
    5850-250C7.11.9753.23629005.52.3108
    102.78523629005.52.3
    13.13.6450.43629005.52.3
    5950-100(I)17.54.8613.76729001.52.541
    256.9412.56929001.52.5
    32.59.0310.56929001.52.5
    6050-100(I)A15.64.3116529001.12.536
    22.36.19106729001.12.5
    298.18.46829001.12.5
    6150-125(I)17.54.8621.560290032.556
    256.942068290032.5
    32.59.031867290032.5
    6250-125(I)A15.64.33175829002.22.548
    22.36.19166629002.22.5
    298.113.66529002.22.5
    6350-160(I)17.54.6834.454290042.572
    256.943263290042.5
    32.59.0327.560290042.5
    6450-160(I)A16.44.563054290032.571
    23.46.52862290032.5
    30.48.442459290032.5
    6550-160(I)B154.17265829002.22.559
    21.66245829002.22.5
    287.7820.65829002.22.5
    6650-200(I)17.54.8652.74929007.52.5108
    256.94505829007.52.5
    32.59.0345.55929007.52.5
    6750-200(I)A16.44.5646.44829005.52.5107
    23.56.53445729005.52.5
    30.58.47405829005.52.5
    6850-200(I)B15.24.224055290042.5100
    21.86.063855290042.5
    28.37.8634.555290042.5
    6950-250(I)17.54.8682392900152.5175
    256.9480502900152.5
    32.59.0376.5522900152.5
    7050-250(I)A16.44.5671.5392900112.5165
    23.46.570502900112.5
    30.58.4767522900112.5
    7150-250(I)B154.17613829007.52.5
    21.66604929007.52.5
    287.7857.45429007.52.5
    7250-315(I)17.54.86128302900302.5310
    256.94125402900302.5
    32.59.03122442900302.5
    7350-315(I) A16.64.16115302900222.5245
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    257300-300540150328214807551230
    72020028821480755
    90025023821480755
    258300-300A45012527.58014807551095
    60016624801480755
    72020020801480755
    259300-300B420116.724781480555980
    54015021781480555
    65018117781480555
    260300-31554015035841480904.51350
    72020032841480904.5
    90025026841480904.5
    261300-315A460127.831.5801480754.51240
    65018028801480754.5
    80022223.5801480754.5
    262300-315B420116.727781480554.51100
    58016124781480554.5
    70019420781480554.5
    263300-380480133.3488497013251900
    72020044849701325
    90025034849701325
    264300-380A444123.341.48097011051700
    66618538809701105
    833231.430809701105
    265300-380B400113.635789709051530
    614170.63278970905
    764213.13578970905
    266300-39054015020.5789805551300
    7202001881980555
    90025015.576980555
    267300-390A45012617.2779804551220
    6001671579980455
    72020012.875980455
    268300-390B40011114749803751100
    54015012.577980375
    65018011.576980375
    269300-4004501255578148011051500
    600166507814801105
    72020042.57814801105
    270300-4805401503179980755
    7202002881980755
    9002502480980755
    271300-480A45012627.4789807551280
    6001662480980755
    7202002079980755
    272300-480B40011124799805551180
    5401502179980555
    6501801779980555
    273350-23560016714801480374.51050
    80022212.5831480374.5
    96026710.5821480374.5
    274350-30060016722.5791480554.51230
    80022220821480554.5
    96026717.5711480554.5
    275350-31560016735.5841480904.51650
    80022232841480904.5
    96026728.5841480904.5
    276350-400600167558314801604.51950
    800222508314801604.5
    96026745.58314801604.5
    277400-300820228237814809061570
    108030020781480906
    130036116781480906
    278400-31582020536.576148013261880
    1080300327614801326
    1300344277614801326
    279500-3001000277.82380148011061800
    1200333208014801106
    1450403168014801106
    280500-315100027834.578148016062070
    1200333327814801606
    1450403277814801606

    十一、進(jìn)口臥式離心泵故障現象

    故障現象故障原因排除方法
    1、水泵不出水a、進(jìn)出口閥門(mén)未打開(kāi),進(jìn)出管路堵塞,流道葉輪堵塞。
    b、電機運行方向不對,電機缺相轉速很慢。
    c、吸入管漏氣。
    d、泵沒(méi)灌滿(mǎn)液體,泵腔內有空氣。
    e、進(jìn)口供水不足,吸程過(guò)高,底閥漏水。
    f、管路阻力過(guò)大,泵選型不當。
    a、檢查,去除堵塞物。
    b、調整電機方向,緊固電機接線(xiàn)。
    c、擰緊各密封面,排除漏氣。
    d、灌滿(mǎn)液體并打開(kāi)排氣閥,排盡空氣。
    e、停機,檢查、調整(并網(wǎng)自來(lái)水管或帶吸程使用易出現此現象)。
    f、減少管路彎道,重新選泵。
    2、水泵流量不足a、先按1.原因檢查。
    b、管道、泵流道葉輪部分堵塞,水垢陳積,閥門(mén)開(kāi)度不足。
    c、電壓偏低。
    d、葉輪磨損。
    a、先按1.排除。
    b、去除堵塞物,重新調整閥門(mén)開(kāi)度。
    c、穩壓。
    d、更換葉輪。
    3、功率過(guò)大a、超過(guò)額定流量使用。
    b、吸程過(guò)高。
    c、泵軸承磨損。
    a、調節流量,關(guān)小出口閥門(mén)。
    b、降低。
    c、更換軸承。
    4、雜音振動(dòng)a、管路支撐不穩。
    b、液體混有氣體。
    c、產(chǎn)生汽蝕。
    d、軸承損壞。
    e、電機超載發(fā)熱運行。
    a、穩固管路。
    b、提高吸入壓力排氣。
    c、降低真空度。
    d、更換軸承。
    e、調整按5。
    5、電機發(fā)熱a、流量過(guò)大,超載運行。
    b、碰擦。
    c、電機軸承損壞。
    d、電壓不足。
    a、關(guān)小出口閥。
    b、檢查排除。
    c、更換軸承。
    d、穩壓。
    6、水泵漏水a、機械密封磨損。
    b、泵體有砂孔或破裂。
    c、密封面不平整。
    d、安裝螺栓松懈。
    a、更換。
    b、焊補或更換。
    c、修整。
    d、緊固。


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