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    進(jìn)口立式雙吸離心泵

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    產(chǎn)品簡(jiǎn)介

    一、進(jìn)口立式雙吸離心泵產(chǎn)品概述美國尼科NICO進(jìn)口立式雙吸離心泵(原來(lái)也稱(chēng)中開(kāi)型),使用雙吸式葉輪,并且泵可以中間剖開(kāi),故稱(chēng)為雙吸中開(kāi)式離心泵

    詳細介紹

    一、進(jìn)口立式雙吸離心泵產(chǎn)品概述

    美國尼科NICO進(jìn)口立式雙吸離心泵(原來(lái)也稱(chēng)中開(kāi)型),使用雙吸式葉輪,并且泵可以中間剖開(kāi),故稱(chēng)為雙吸中開(kāi)式離心泵。美國尼科NICO結合用戶(hù)使用習慣和使用難點(diǎn)優(yōu)化之后研發(fā)的泵種。供抽送清水或物理化學(xué)性質(zhì)類(lèi)似于清水的其它液體之用。要求被輸送液體溫度≤80℃。標配填料密封,可選配機械密封。因其可以中間剖開(kāi)的特性,檢修維修十分方便。深受廣大用戶(hù)的喜愛(ài)。第二代水力模型更優(yōu)按API610 BB1結構化工系列單級雙吸、水平中開(kāi)式離心泵,溫度范圍:<80℃,底腳支撐,油潤滑,效率更高,可供廣大用戶(hù)比較選擇。高溫系列、單級雙吸水平中開(kāi)離心泵;溫度范圍: 80~150℃,溫度>120℃采用中心支撐。

    二、進(jìn)口立式雙吸離心泵選型參數

    公稱(chēng)通徑:25~1000mm

    流量范圍:9180m3/h

    揚程范圍:5~55m

    功率范圍:1.5~135KW

    轉速范圍:740-2900r/min

    溫度范圍 :-20℃~150℃

    工作壓力:≤1.6Mpa

    泵體材質(zhì):WCB、304、316、四氟

    三、進(jìn)口立式雙吸離心泵特點(diǎn)

    本型泵的吸入口與吐出口均在水泵軸心線(xiàn)下方,水平方向與軸線(xiàn)成垂直位置,泵殼中開(kāi),檢修時(shí)無(wú)需拆卸進(jìn)水、排出管路及電動(dòng)機(或其他原動(dòng)機)。從聯(lián)軸器向泵的方向看去,水泵為逆吋針?lè )较蛐D。如根據用戶(hù)訂貨需要也可改為順吋針旋轉。

    本型泵的主要零部件有:泵體、泵蓋、葉輪、軸、雙吸密封環(huán)、軸套、軸承等。

    泵體與泵蓋構成葉輪的工作室,在進(jìn)出水法蘭上制有安裝真空表和壓力表的管螺孔,進(jìn)出水法蘭的下部制有放水的管螺孔。

    葉輪經(jīng)過(guò)靜平衡校驗,用軸套和兩側的軸套螺母固定,其軸向位置可以通過(guò)軸套螺母進(jìn)行調整,葉輪的軸向力利用其葉片的對稱(chēng)布置達到平衡,可能還有一些剩余軸向力則由軸端的軸承承受。

    泵軸由兩個(gè)單列向心球軸承支承,軸承裝在泵體兩端的軸承體內,用黃油潤滑,雙吸密封環(huán)用以減少水泵壓水室的水漏回吸水室。

    水泵通過(guò)聯(lián)軸器由電動(dòng)機直接傳動(dòng)。

    軸封為軟填料密封,為了冷卻潤滑密封腔和防止空氣漏入泵內,在填料之間有水封環(huán),水泵工作時(shí)小量高壓水通過(guò)水封管流入填料腔起水封作用。

    進(jìn)口立式雙吸離心泵應用領(lǐng)域(高效、穩定、低維護)

    發(fā)電行業(yè):發(fā)電廠(chǎng)冷卻循環(huán)水泵/開(kāi)、閉式水循環(huán)水泵/熱網(wǎng)循環(huán)泵

    造紙行業(yè):網(wǎng)前箱供料泵/流漿箱給水泵/原水抽吸泵

    鋼鐵行業(yè):加熱爐循環(huán)泵/風(fēng)口高壓泵/氧槍泵/高壓除鱗泵/軋機冷卻泵

    石化行業(yè):短距離管線(xiàn)輸油/原油輸送/石油碼頭油品裝卸/循環(huán)水

    水務(wù)行業(yè):自來(lái)水廠(chǎng)供水/城市排澇/消防供水/供水泵站/工業(yè)用水

    海水淡化:海水供應泵/海水再循環(huán)泵

    四、進(jìn)口立式雙吸離心泵結構圖


    五、進(jìn)口立式雙吸離心泵主要材料表

    1軸承體部件乙2護罩3填料密封部件4軸 5泵蓋 6葉輪
    7密封環(huán)8葉輪擋套 9水封管部件10機械密封部件11軸承體部件甲 12聯(lián)軸器罩
    13軸承擋套14軸套15泵體


    六、進(jìn)口立式雙吸離心泵性能參數

    型號(Type)流量(Q)
    Capacity
    揚程(H)
    Head
    轉速(n)
    Speed
    軸功率(Pa)
    ShaftPower
    配套電機Motor效率
    Eff.
    汽蝕余量
    NPSHr
    泵重
    Weight
    (m3/h)(l/s)(m)(r/min)(kW)(kW)型號(Type)(%)(m)(kg)
    SX150-240/2
    16044.478297042.555NK2-250M-2804.0165
    A15041.76935.545NK2-225M-2793.9
    B14139.26129.837NK2-200L2-2783.8
    C13236.75324.830NK2-200L1-2773.7
    SX150-240M/2
    16245.065297036.345NK2-225M-2793.8165
    A15242.35830.637NK2-200L2-2783.7
    B14339.75125.530NK2-200L1-2773.6
    C13437.34521.630NK2-200L1-2763.5
    SX150-310/2
    19253.3122297084.0110NK2-315S-2764.2200
    A18050.010770.190NK2-280M-2754.1
    B16947.09559.075NK2-280S-2744.0
    C15844.08349.155NK2-250M-2733.9
    SX150-310M/2
    16245.0107297063.075NK2-280S-2754.0200
    A15242.39553.175NK2-280S-2743.9
    B14339.78344.355NK2-250M-2733.8
    C13437.37437.545NK2-225M-2723.7
    SX200-160/2
    34295.021297025.130NK2-200L1-2784.9210
    A32991.31922.630NK2-200L1-2774.7
    B31487.31820.030NK2-200L1-2764.6
    C30083.31617.622NK2-180M-2754.5
    SX200-160M/2
    29481.719297019.830NK2-200L1-2774.6210
    A28278.31717.722NK2-180M-2764.5
    B27075.01615.718.5NK2-160L-2754.4
    C25972.01514.118.5NK2-160L-2744.3
    SX200-200/2
    34295.039297044.355NK2-250M-2825.1220
    A32991.33639.945NK2-225M-2814.9
    B31487.33335.345NK2-225M-2804.8
    C30083.33031.037NK2-200L2-2794.7
    SX200-200M/2
    29481.733297032.637NK2-200L2-2814.9220
    A28278.33029.237NK2-200L2-2804.8
    B27075.02825.930NK2-200L2-2794.7
    C25972.02623.230NK2-200L2-2784.4
    SX200-240/2
    34295.065297073.090NK2-280M-2835.4250
    A32490.05862.875NK2-280S-2825.2
    B30885.75354.875NK2-280S-2815.0
    C29080.74746.355NK2-250M-2804.9
    SX200-240M/2
    29481.758297056.675NK2-280S-2824.8250
    A28077.75249.355NK2-250M-2814.6
    B26473.34742.055NK2-250M-2804.4
    C25069.34236.045NK2-225M-2794.3
    SX200-280/2
    34295.01052970122.3160NK2-315L1-2805.3310
    A32289.393103.0132NK2-315M-2795.1
    B30083.38184.7110NK2-315S-2784.9
    C28178.07170.390NK2-280M-2774.8
    SX200-280M/2
    29481.7942970100.4110NK2-315S-2755.0310
    A27676.78384.290NK2-280M-2744.8
    B25972.07370.775NK2-280S-2734.6
    C24167.06357.775NK2-280S-2724.5
    SX200-280/4
    17047.226148015.118.5NK2-180M-4801.8310
    A15844.02312.315NK2-160L-4791.7
    B14841.02010.115NK2-160L-4781.6
    C13838.3178.411NK2-160M-4771.5
    SX200-280M/4
    14440.023148012.015NK2-160L-4751.7310
    A13637.72010.215NK2-160L-4741.6
    B12735.3188.511NK2-160M-4731.5
    C11933.0167.011NK2-160M-4721.4
    SX200-370/2
    370102.81902970262.3280YX450-2735.3480
    A34896.6168221.2250NK2-355M2-2725.1
    B32590.2146182.1200NK2-315L2-2714.9
    C30484.4128151.4185NK2-315L2-2704.8
    SX200-370M/2
    29481.71152970129.7185NK2-315L2-2714.9480
    A27676.7101108.9160NK2-315L1-2704.7
    B25972.08991.5132NK2-315M-2694.5
    C24167.07774.8110NK2-315S-2684.4
    SX200-370/4
    16846.748148030.137NK2-225S-4731.7480
    A15844.04325.630NK2-200L-4721.6
    B14841.03721.030NK2-200L-4711.5
    C13838.33217.422NK2-180L-4701.4
    SX200-370M/4
    14440.030148016.622NK2-180L-4711.6480
    A13637.72714.018.5NK2-180M-4701.5
    B12735.32311.815NK2-160L-4691.4
    C11933.0209.715NK2-160L-4681.3
    SX200-365/4
    384106.743148056.275NK2-280S-4802.5350
    A365101.33948.855NK2-250M-4792.4
    B34696.03542.045NK2-225M-4782.3
    C32690.73135.937NK2-225S-4772.2
    SX200-365M/4
    32690.738148042.855NK2-250M-4792.4350
    A31086.03437.045NK2-225M-4782.3
    B29381.33131.737NK2-225S-4772.2
    C27777.02727.230NK2-200L-4762.1
    SX200-500/4
    384106.773148097.9110NK2-315S-4782.4390
    A365101.36685.0110NK2-315S-4772.3
    B34696.05973.290NK2-280M-4762.2
    C32690.75362.575NK2-280S-4752.1
    SX200-500M/4
    34896.768148083.790NK2-280M-4772.3390
    A33091.76172.390NK2-280M-4762.2
    B31387.05562.775NK2-280S-4752.1
    C29582.04953.275NK2-280S-4742.0
    SX250-250/4
    588163.312148023.430NK2-200L-4823.6320
    A564156.71120.930NK2-200L-4813.5
    B540150.01018.622NK2-180L-4803.4
    C518144.0916.718.5NK2-180M-4793.3
    SX250-250M/4
    498138.310148016.722NK2-180L-4813.4320
    A478132.7915.018.5NK2-180M-4803.3
    B458127.3813.418.5NK2-180M-4793.2
    C438121.7811.815NK2-160L-4783.1
    SX250-300/4
    588163.320148038.145NK2-225M-4843.5350
    A564156.71834.145NK2-225M-4833.4
    B540150.01730.337NK2-225S-4823.3
    C518144.01627.137NK2-225S-4813.2
    SX250-300M/4
    498138.319148031.137NK2-225S-4833.2350
    A478132.71727.737NK2-225S-4823.1
    B458127.31624.830NK2-200L-4813.0
    C438121.71521.930NK2-200L-4802.9
    SX250-360/2
    588163.31472970294.3355YX450-2806.8500
    A552153.3130246.6315YX450-2796.6
    B518144.0114206.9250NK2-355M2-2786.3
    C482134.099168.9200NK2-315L2-2776.0
    SX250-360M/2
    498138.31152970197.5250NK2-355M2-2796.1500
    A468130.0102166.0200NK2-315L2-2785.9
    B438121.789137.8185NK2-315L2-2775.7
    C408113.377112.9160NK2-315L1-2765.5
    SX250-350/4
    621172.537148072.890NK2-280M-4863.3390
    A616171.03671.775NK2-280S-4853.1
    B583162.03361.775NK2-280S-4843.0
    C551153.02952.655NK2-250M-4832.9
    SX250-350M/4
    498138.331148049.555NK2-250M-4852.7390
    A473131.32842.855NK2-250M-4842.6
    B449124.72537.145NK2-225M-4832.5
    C424117.72231.637NK2-225S-4822.4
    SX250-370/4
    588163.344148082.990NK2-280M-4853.2480
    A552153.33969.475NK2-280S-4843.1
    B518144.03458.275NK2-280S-4833.0
    C482134.03047.555NK2-250M-4822.9
    SX250-370M/4
    498138.339148063.075NK2-280S-4843.1480
    A468130.03452.975NK2-280S-4833.0
    B438121.73043.955NK2-250M-4822.9
    C408113.32635.945NK2-225M-4812.8
    SX250-450/4
    621172.5651480134.1160NK2-315L1-4823.5500
    A593164.759118.1132NK2-315M-4813.4
    B562156.053101.7110NK2-315S-4803.3
    C530147.34786.790NK2-280M-4793.2
    SX250-450M/4
    528146.753148094.1110NK2-315S-4813.4500
    A502139.34881.790NK2-280M-4803.3
    B475132.04370.375NK2-280S-4793.2
    C449124.73860.075NK2-280S-4783.1
    SX250-500/4
    480133.3841480140.8160NK2-315L1-4782.9540
    A456126.776122.3132NK2-315M-4772.8
    B432120.068105.4110NK2-315S-4762.7
    C408113.36189.9110NK2-315S-4752.6
    SX250-550/4
    648180.01061480236.9250NK2-355M2-4793.9650
    A616171.096205.7220NK2-355L1-4783.8
    B583162.086177.2185NK2-315L2-4773.7
    C551153.077151.2160NK2-315L1-4763.6
    SX250-550M/4
    498138.3921480162.1200NK2-315L2-4773.7650
    A468130.081136.3160NK2-315L1-4763.6
    B438121.771113.2132NK2-315M-4753.5
    C408113.36292.7110NK2-315S-4743.4
    SX300-250/4
    1008280.011148036.845NK2-225M-4825.8470
    A958266.01032.045NK2-225M-4815.6
    B907252.0927.237NK2-225S-4815.4
    C857238.0823.230NK2-200L-4805.3
    SX300-250M/4
    768213.38148020.430NK2-200L-4824.9470
    A730202.7717.730NK2-200L-4814.8
    B691192.0615.122NK2-180L-4814.6
    C653181.3612.818.5NK2-180M-4804.5
    SX300-300/4
    1020283.317148056.975NK2-280S-4834.1420
    A922256.01442.555NK2-250M-4823.9
    B883245.31337.945NK2-225M-4813.7
    C845234.71233.545NK2-225M-4803.6
    SX300-300M/4
    864240.012148034.445NK2-225M-4823.9420
    A821228.01129.937NK2-225S-4813.7
    B778216.01025.737NK2-225S-4803.6
    C734204.0922.030NK2-200L-4793.5
    SX300-340/4
    960266.732148099.6110NK2-315S-4844.3460
    A912253.32986.490NK2-280M-4834.1
    B864240.02674.490NK2-280M-4824.0
    C816226.72363.475NK2-280S-4813.8
    SX300-340M/4
    816226.726148068.090NK2-280M-4853.4460
    A784217.72460.975NK2-280S-4843.3
    B751208.72254.375NK2-280S-4833.2
    C718199.32047.955NK2-250M-4823.1
    SX300-440/4
    1080300.0541480186.9200NK2-315L2-4854.9590
    A1026285.049162.2185NK2-315L2-4844.7
    B972270.044139.5160NK2-315L1-4834.5
    C918255.039119.0132NK2-315M-4824.3
    SX300-440M/4
    984273.3491480154.5185NK2-315L2-4854.7590
    A935259.744134.1160NK2-315L1-4844.5
    B886246.040115.4132NK2-315M-4834.3
    C836232.33598.4110NK2-315S-4824.1
    SX300-520/4
    960266.7841480264.7280YX450-4834.0860
    A912253.376229.7250NK2-355M2-4823.9
    B864240.068197.7220NK2-355L1-4813.8
    C816226.761168.6200NK2-315L2-4803.7
    SX300-520M/4
    816226.7731480197.9220NK2-355L1-4823.8860
    A768213.365167.0200NK2-315L2-4813.7
    B718199.356138.0160NK2-315L1-4803.6
    C670186.049113.5132NK2-315M-4793.5
    SX300-670/4
    960266.71461480471.4500YX450-4814.01110
    A902250.7129396.4450YX450-4803.9
    B845234.7113329.4400YX450-4793.8
    C787218.798269.9315YX450-4783.7
    SX300-670M/4
    816226.71291480358.4400YX450-4803.81110
    A768213.3114302.6355YX450-4793.7
    B718199.3100250.0280YX450-4783.6
    C670186.087205.8250NK2-355M2-4773.5
    SX350-290/4
    1536426.713148065.590NK2-280M-4835.8660
    A1459405.31256.975NK2-280S-4825.6
    B1382384.01148.475NK2-280S-4825.4
    C1306362.7941.255NK2-250M-4815.3
    SX350-290M/4
    1296360.010148042.555NK2-250M-4835.2660
    A1231342.0936.955NK2-250M-4825.1
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    八、進(jìn)口立式雙吸離心泵材質(zhì)配置

    零件名稱(chēng)材質(zhì)配置
    HT250QT500-7鑄鋼3042Cr1340Cr45雙相鋼
    泵殼



    葉輪







    軸套




    密封環(huán)




    軸承體






    九、進(jìn)口立式雙吸離心泵說(shuō)明

    ●為清水常規配置:為特殊介質(zhì)或特殊工況的選配,高效節能雙吸泵技術(shù)優(yōu)勢

    ●優(yōu)勢一高效率:引進(jìn)國內外秀水力模型,采用CFD計算流體動(dòng)力學(xué)分析方法,針對性地進(jìn)行優(yōu)化分析改進(jìn);性能指標超越行業(yè)水平,達到水平,率突破92%。

    ●優(yōu)勢二低脈動(dòng):采用兩半葉輪葉片交錯布置結構,從而改變葉頻(葉片通過(guò)泵體隔舌頻率),使得液流脈沖降低(約降低揚程的1%。~4%o),液流更加平穩,效率更高、振動(dòng)更小、運行更加平穩可靠。

    ●優(yōu)勢三低汽蝕余量:葉片進(jìn)口邊形狀采用凸弧形優(yōu)化設計,增加液流進(jìn)口過(guò)流面積,降低進(jìn)口流速,使得進(jìn)口邊壓力增加,從而提高汽蝕余量。葉片頭部采用翼型流線(xiàn)設計,使得液流沖擊損失減少,漩渦減少,不但提高了點(diǎn)效率值,同時(shí)使得高效區更加寬廣,壓力分布均勻,汽蝕性能更佳。

    ●優(yōu)勢四高可靠性:高揚程泵采用雙蝸殼設計,泵體、泵蓋均設置加強筋,并采用ANSYS力學(xué)分析軟件優(yōu)化結構,泵殼具有很高的強度,軸承跨距短,軸加粗設計,使得轉子運轉時(shí)擾度小,穩定可靠。所有葉輪均做6.3級靜平衡試驗,整個(gè)轉子按API610標準做2.5級動(dòng)平衡試驗。主軸采用不接觸液體的全密封式設計,軸承部件設置唇形油封+V型密封圈組合密封結構,具有優(yōu)秀的防漏油、防灰塵、防水、防濕氣功能。

    ●優(yōu)勢五強適應性:

    泵高效區寬,能更大范圍滿(mǎn)足用戶(hù)要求;另外,我們采取一泵兩輪的葉輪配置方式使得泵具有非常好的可選性,能絕大部分保證用戶(hù)的工況點(diǎn)都能選到高效范圍。

    泵進(jìn)、出口法蘭可按照GB、ISO、DIN、BS、ANSI等標準加工。

    泵殼流道:可進(jìn)行超滑節能涂層、耐磨耐腐涂層等選擇。輸送高溫介質(zhì)可采用CPS-R型結構,泵采用中心支撐、水冷軸承體。

    軸封系統:可實(shí)現填料密封、單端面密封互換,也可按用戶(hù)要求配置集裝式機封、雙端面機封以及配置AP1682標準的沖洗系統。

    軸承潤滑系統:可采用脂潤滑或稀油潤滑供靈活選擇。

    軸承冷卻系統:可根據介質(zhì)溫度高低選擇自然冷卻或水冷卻軸承體。

    遠程監控:軸承體設置測溫、測振等監測接口,可方便實(shí)現遠程監控。

    ●優(yōu)勢六高通用化:除泵體、泵蓋、葉輪等少數零件外,其余均采用模塊化設計,實(shí)現了零件的標準化,同軸系的軸承部件、密封部件、軸套、擋套等均可實(shí)現互換,方便實(shí)現泵的量產(chǎn)。


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