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1、MD(P)型煤矿用耐磨多级离心泵使用说明书(第2版)内容自平衡多级泵叶轮对称布置长沙奔腾泵业(集团)有限公司目录1、概述········································

2、·········12、结构特征········································

3、;·····23、技术特性性能曲线及性能表···························44、安装图及安装尺寸表·············&#

4、183;····················435、安装、调整····························

5、;··············856、使用、操作··································&#

6、183;·······877、故障分析与排除······································888、保养、维修·

7、·········································889、运输、贮存·······

8、83;··································9010、开箱及检查··············

9、;···························9011、简单计算说明·····················

10、··················90本使用说明书编写依据:GB9969.11998工业产品使用说明书总则1、概述1.1 自平衡多级泵是我厂在D型多级离心泵的基础上,改进设计的一种多级离心水泵。自平衡多级泵高效节能,耐磨可靠,寿命长。适用于输送清水及固体颗粒含量不大于1.5%(体积浓度)的中性矿井水(粒度小于0.5mm),以及类似的其他污水的液体。特别适用于炼油厂、电厂、石化等排水。自平衡多级泵输送的介质温度不高于

11、420。1.2泵型号意义说明MD(P)280-65×6 100 MD (P)45×8MD (P)卧式多级离心泵 100吸入口直径为100mm280设计点流量(m3/h) MD (P)卧式多级离心泵65设计点单级扬程(m) 45设计点单级扬程(m)6泵的级数 8泵的级数1.3性能范围(按设计点)流量:6.3720 m3/h扬程:501140m1.4产品执行标准:MT/T114-2005煤矿用多级离心泵,Q/CSB1-2007多级清水离心泵。警告a)本系列泵的配套电机:YB系列电机可用于井下,但不能用于采掘工作面,用于采掘工作面必须配用YBK系列电机,Y系列电机不能用于井下,电

12、机必须要可靠接地!b)泵不允许在无液体介质状态下点动或运转!c)泵组的转动部分在运行时不准触摸!1.5警告2、结构特征自平衡多级泵为两端支承,壳体部分为节段式,泵的传动方式是通过柱销弹性联轴器与电机联结,泵的旋转方向,从驱动端看,泵为顺时针方向旋转。泵的结构见图1。2.1定子部分主要由吸入段(进水段)、中段、吐出段(出水段)、导叶、填料函体(尾盖)和轴承体等分别用拉紧螺栓联接成一体,从联轴器端看,泵吸入口为水平右方向,吐出口为垂直向上。2.2转子部分主要由轴、叶轮、平衡盘、轴承及轴套等组成。2.3泵的密封2.3.1泵吸入段(进水段)、中段、吐出段(出水段)之间的静止结合面用纸垫或二硫化钼来密封

13、。2.3.2泵各级间采用节流密封。2.3.3泵的两侧轴封采用软填料密封。2.3.4采用挡水圈挡水,防止水进入轴承。2.4轴承部分除MD(P)6-25、MD(P)12-25型泵轴承采用GB/T292-94角接触球轴承以外,其余泵型的整个转子由两端的圆柱滚子轴承GB/T283-94支承;轴承采用3号通用锂基润滑脂润滑。由于MD(P)6-25、MD(P)12-25型泵轴承采用了GB/T292-94角接触球轴承,所以转子无轴向窜动量,其余泵型的转子应有轴向窜动量。2.5平衡部分由于叶轮前后盖板受压面积不等,产生轴向力,此轴向力由平衡装置承担。泵的平衡装置由平衡盘、平衡套、平衡环组成。泵的平衡室由吐出段

14、(出水段)、填料函体(尾盖)、平衡水管部件所组成,平衡水管部件绝对不允许堵塞,可用闸阀调节平衡水管部件内水的流动。3、技术特性性能曲线及性能表性能表型 号级数流量Q扬程H(m)转速n(r/min)效率(%)功率(kw)必需汽蚀余量(NPSH)r(m)叶轮直径(mm)质量(kg)(m3/h)(L/s)轴功率Pa电机功率MD(P)6-2533.756.37.51.041.752.0876.57573.5295027.842.038.82.813.063.875.52.02.02.0138864102100983.754.085.167.5965127.5125122.54.685.116.457.

15、510661531501475.626.137.74111167178.5175171.56.567.159.031112682042001967.498.1710.32151369229.5225220.58.439.1911.6115146102552502459.3710.2112.9018.515611280.5275269.510.311.2314.1918.51661230630029411.2412.2515.4818.517613331.5325318.512.1813.2816.7718.51861435735034313.1114.3018.0618.5196性能表型 号级

16、数流量Q扬程H(m)转速n(r/min)效率(%)功率(kw)必需汽蚀余量(NPSH)r(m)叶轮直径(mm)质量(kg)(m3/h)(L/s)轴功率Pa电机功率MD(P)12-2537.512.515.02.083.474.1784.67569295036.852.149.54.704.905.697.52.02.02.01461064112.8100926.266.537.591111951411251157.838.179.49111316169.21501389.399.8011.39151447197.417516110.9611.4313.29151578225.620018412

17、.5213.0715.1818.51709253.822520714.0914.7017.0818.51831028225023015.6516.3318.982219511310.227525317.2217.9720.882220812338.430027618.7819.6022.783022313366.632529920.3521.2424.673023614394.835032221.9122.8726.5730250性能表型 号级数流量Q扬程H(m)转速n(r/min)效率(%)功率(kw)必需汽蚀余量(NPSH)r(m)叶轮直径(mm)质量(kg)(m3/h)(L/s)轴功率P

18、a电机功率MD(P)12-5036.312.515.01.753.474.17156150135295023.042.540.611.6412.0113.5818.52.02.02.0200258420820018015.5216.0218.1122279526025022519.3920.0222.6430300631230027023.2724.0327.1730321736435031527.1528.0331.6937342841640036031.0332.0436.2245363946845040534.9136.0440.75453841052050045038.7940.054

19、5.28554051157255049542.6744.0549.80554261262460054046.5548.0654.3375447性能表型 号级数流量Q扬程H(m)转速n(r/min)效率(%)功率(kw)必需汽蚀余量(NPSH)r(m)叶轮直径(mm)质量(kg)(m3/h)(L/s)轴功率Pa电机功率MD(P)25-3031525304.176.948.331029082.5295044.659.856.09.3410.2512.04152.02.02.0160175413612011012.4613.6616.0518.51925170150137.515.5717.0820

20、.0622209620418016518.6820.4924.07302267238210192.521.8023.9128.0830243827224022024.9127.3232.10372609306270247.528.0330.7436.11372771034030027531.1434.1640.1245294性能表型 号级数流量Q扬程H(m)转速n(r/min)效率(%)功率(kw)必需汽蚀余量(NPSH)r(m)叶轮直径(mm)质量(kg)(m3/h)(L/s)轴功率Pa电机功率MD(P)46-3033046558.3312.815.31029075295053.966.86

21、2.215.4616.8818.06222.02.42.9164180413612010020.6122.5024.0830197517015012525.7728.1330.1037214620418015030.9233.7636.1237231723821017536.0839.3842.1445248827224020041.2245.0148.1655265930627022546.3850.6354.18552821034030025051.5456.2660.2075299性能表型 号级数流量Q扬程H(m)转速n(r/min)效率(%)功率(kw)必需汽蚀余量(NPSH)r(m)

22、叶轮直径(mm)质量(kg)(m3/h)(L/s)轴功率Pa电机功率MD(P)46-50/8433046558.3312.815.3166.5150126295047.762.259.128.5230.2131.93372.02.42.7210264422220016838.0240.2842.58452855277.525021047.5350.3553.2255307633330025257.0460.4263.87753277388.535029466.5470.4974.5175348844440033676.0580.5685.16903739499.545037885.5590.6

23、395.801103901055550042095.06100.70106.4411041111610.5550462104.56110.77117.0913243212666600504114.07120.84127.73132453性能表型 号级数流量Q扬程H(m)转速n(r/min)效率(%)功率(kw)必需汽蚀余量(NPSH)r(m)叶轮直径(mm)质量(kg)(m3/h)(L/s)轴功率Pa电机功率MD(P)85-452558510015.323.627.81029078295057.270.465.126.7129.5932.63372.73.64.2200199315313511

24、740.0644.3948.9455224420418015653.4259.1965.2675250525522519566.7773.9881.5790275630627023480.1388.7897.89110300735731527393.48103.57114.201323268408360312106.84118.37130.521323519459405351120.19133.17146.83160376性能表型 号级数流量Q扬程H(m)转速n(r/min)效率(%)功率(kw)必需汽蚀余量(NPSH)r(m)叶轮直径(mm)质量(kg)(m3/h)(L/s)轴功率Pa电机功

25、率MD(P)85-672558510015.323.627.8152134118295052.267.062.743.6146.3051.25552.53.54.0235720322820117765.4269.4476.8890880430426823687.2392.59102.5011010405380335295109.04115.74128.1313212006456402354130.84138.89153.7616013607532469413152.65162.04179.3820015208608536472174.46185.19205.012201680968460353

26、1196.27208.33230.632501840性能表型 号级数流量Q扬程H(m)转速n(r/min)效率(%)功率(kw)必需汽蚀余量(NPSH)r(m)叶轮直径(mm)质量(kg)(m3/h)(L/s)轴功率Pa电机功率MD(P)155-30210015518527.84351.4656053148059.573.267.829.834.639.4452.02.12.5305490397.59079.544.651.959.175560413012010659.569.278.8906305162.5150132.574.486.598.5110700619518015989.3103.8118.21327707227.5210185.5104.1121.1137.81608408260240

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