9-19、9-26型高压离心通风机1

三、通风机的结构M4〜6.3主要由叶轮、机壳、进风口、支架等组成；能7.1〜16主要由叶轮、机壳、进风口、传动组等、通风机的用途组成9-19、9-26型离心通风机，一般采用于锻冶炉及高压强制通风，并可广泛用于输送物料、输送空气及无腐蚀性不自然、不含粘性物质之气体。介质温度一般不超过50C（最高不超过80°C）,介质中所含尘土及硬质颗粒不大于150mg/m。二、通风机的型式本通风机为单吸入式，有能4、4.5、5、5.6、6.3、7.1、8、9、10、11.2、12.5、14、16共13个机号。通风机可制成右旋和左旋两种型式。从电机一端正视，如叶轮顺时针旋转称右旋风机，以“右” 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 示；逆时针旋转称左旋风机，以“左”表示。风机的出口位置以机壳的出口角度表示。“左”、“右”均可制成0°、45°、90°、135°、180225°共六种角度。风机的传动方式为A式（能4〜6.3）和D式（能7.1〜16）两种图1.9—19M10样机无因次性能曲线叶轮：9—19型风机叶片为12片，9—26型风机叶片为16片。均属前向弯曲叶型。叶轮扩压器外缘最高圆周速度不超过140m/s。叶轮成型后经静、动平衡校正，故运转平稳。机壳：用普通钢板焊接成蜗壳型整体。进风口：做成收敛式流线型的整体结构，用螺栓固定在前盖板组上。传动组：由主轴、轴承箱、联轴器等组成。主轴由优质钢制成，轴承箱整体结构，采用滚动轴承，用轴承润滑脂润滑。四、通风机的性能和选择9—19和9—26型风机只给M10样机的无因次性能表及曲线。由给出的无因次性能表或曲线计算M10以上风机的有因次性能。由无因次计算有因次参数的 公式 小学单位换算公式大全免费下载公式下载行测公式大全下载excel公式下载逻辑回归公式下载 ：Q=900nAxL2X①(m/h)Kp=p2xLt2xW/101300/[(p1xL22xW/354550+1)3-1]P=p1xLfxW/Kp(Pa)Nin=n&/4000xp必U23x入(KW5.Ne二Nin/nmxK(KW)图2.9—26M10样机无因次性能曲线式中：Q—流量（m/h）P—全压（Pa）D2—叶轮叶片外缘直径（m）U2—叶轮叶片外缘线速度（m⑸p1-进气密度（kg/m3）Kp—全压压缩性系数电机储备系数Nn—内功率(KWNre—所需功率(KWnm—机械效率(A式传动取1,D式传动取0.98)K—电机储备系数当使用状态为非 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 状态时，必须把非标准状态的性能换算到标准状态的性能，然后根据换算性能选择风机。其换算公式如下：3Qo=Qxno/n(m/h)Po=Px(no/n)2xpo/pxKp/Kpo(Pa)3Nino=Nnx(no/n)x(po/p)(KWnino=ninnin—内效率n—转速(r/min)表19—19M10样机的无因次性能表1234567①0.030.0370.0440.0510.0580.0650.0720.8280.8420.8350.08140.780.7450.705 书 关于书的成语关于读书的排比句社区图书漂流公约怎么写关于读书的小报汉书pdf d0.04780.07250.10250.1380P0.17930.22630.2792入0.032470.03890.04510.051250.057850.0650.0725nin0.7650.8000.8150.810.7820.745|0.700表29—26M10样机的无因次性能表1234567①0.080.090.10.110.120.130.14I0.870.8580.8390.8170.7890.7540.720.07450.09430.11670.14160.16920.19940.2323入0.08660.09510.10440.11430.12460.13430.144nin0.8040.8120.8040.7860.760.73]0.70「风机性能一般均指在标准状态下输送气体的性能。标准状态指大气压Pa=101300Pa,大气温度t=20C,相对温度50%，空气密度p=1.2kg/m五、通风机的安装和使用安装前：应对风机各部件进行全轴功率KV/<0.5>0.5〜1>1~2>2〜5>5K1.51.41.31.21.15面检查，机件是否完整，叶轮和机壳的旋转方向是否一致，各部联接是否紧密。叶轮、主轴、轴承等主要机件有无损伤，传动组是否灵活等。安装时：注意检查机壳，壳内不应有掉入、遗留的工具和杂物。在一一些结合面上为了防止生锈、减少拆卸困难，应涂上一层润滑脂或机械油。风机和地基结合面，进出风管道联接时应调整使之自然吻合，不得强行联接，更不许将管道重量加在风机各部件上。并注意保证风机的水平位置。安装要求：按图纸所示的位置和尺寸安装，为确保高效率特别要保证进风口和叶轮的轴向和径向间隙尺寸。安装后试拔传动组，检查是否有过紧或和固定部分碰撞现象。全部安装完毕，总检合格后，才能进行风机的试运转。为了防止电机过载烧毁，在风机启动时，必须在无载荷(将进风阀门关闭，出阀门稍开)的情况下进行，如情况良好，逐步开启阀门直到规定的工况为止。在运转过程中应严格控制电流，不得超过额定值。风机的操作：(1)风机启动前，应进行下列准备工作：将进风阀门关闭，出风阀门稍开。检查风机各部的间隙尺寸，转动部分和固定部分有无碰撞及磨擦现象。（2）风机启动后，达到正常转速时，应在运转过程中，经常检查轴承温度是否正常，当轴承温度没有特殊要求时，轴承温升不得超过周围环境温度的40C;轴承部位的均方根振动速度值不得大于6.3mm/s。如发现风机有剧烈的振动、撞击，轴承温升迅速上升等现象时，则必须紧急停车。六、通风机的维护1.风机维护工作注意事项：只有风机设备完全正常的情况下方可运转。如风机设备在检修后开动时，则需注意风机各部位是否正常。定期清除风机内部積灰、污垢等杂质，并防止生锈。为确保人身安全，风机的维护必须在停车时进行。风机正常运转的注意事项：在风机开车、停车或运转过程中，如发现不正常现象时应立即进行检查，若是小故障应及时查明原因设法消除。发现大故障应立即停车检修。除每次检修应更换润滑剂外，正常情况下根据实际情况更换润滑剂。七、通风机主要故障及原因1.风机剧烈振动风机轴和电机轴不同心，皮带轮槽错位；机壳或进风口和叶轮磨擦；基础的刚度不够或不牢固；叶轮铆钉松动或叶轮变形；叶轮轴盘孔和轴配合松动；机壳、轴承座和支架，轴承座和轴承盖等联接螺栓松动；风机进、出口管道安装不良，产生共振；叶片有積灰、污垢、叶片磨损、叶轮变形、轴弯曲使转子产生不平衡。2.轴承升温过高轴承箱剧烈振动；润滑剂质量不良，变质或含有灰尘，砂粒、污垢等杂质或填充量不足；轴承箱盖、座联接螺栓之紧力过大或过小；轴和滚动轴承安装歪斜、前后两轴承不同心；滚动轴承损坏或轴弯曲。电机电流过大和温升过高开车时进、出气管道闸门未开；电机输入电压低或电源单相断电；受轴承箱剧烈振动的影响；主轴转速超过额定值。八、单机产品成套供应范围风机1台，配套电机1台，地脚螺栓1付（能4〜6.3,4套，能7.1以上8套）联轴器1套（能7.1〜16）。九、订货须知1.订货时须注明风机的机号、转速、风量、压力、出口角度、旋转方向以及电机型号、 规格 视频线规格配置磁共振要求常用水泵型号参数扭矩规格钢结构技术规格书 。2.9-26M8(2900r/min)和M16(1450r/min)离心通风机叶轮系采用优质合金钢板制造，订货时须和制造厂协商。9-19离心通风机性能与选用件表9-19离心通风机性能与选用件表机号传动方式转速r/min序号流量m7h全压Pa内效率%内功率KW所需功率KW电动机橡胶垫ST0601（4个）螺栓GB3—76（4个）螺母GB5—76（4个）垫圈GB9—76（4个）型号功率KW4A290018243584:701.161.5Y90L-22.211X70M8>40M882970366573.51.331.731116364775.51.481.9412643597761.642.1514103507:75.51.802.3Y100L-2313X90M1O45M101061558338473.31.972.6717043253702.172.64.5A290011174460371.22.072.5Y112M-2413X90M1O45M1010213974684752.382.9316164672772.683.241839458077.32.983.652062444776.23.293.962281429773.83.634.4Y132S1-25.513X90M1O45M1010725044112704.034.85A290011610569772.73.434.1Y132S2-27.513X90M1O45M101021932576876.23.984.832254574078.24.505.442576563978.55.045.852844551777.25.546.463166532374.56.177.173488508070.56.867.9Y160M1-2r1116X00M1250M121215.6A290012262718272.76.057.0Y160M1-21116X00M1250M121222714727376.27.028.133167723678.27.939.143619710978.58.8810.253996695477.29.7611.2Y160L-218.516X00M1250M121264448670974.510.8812.574901640070.512.0913.9机号传动方式转速r/min序号流量全压Pa内效率%内功率KW所需功率KW电动机橡胶垫ST0601（4个）螺栓GB30-76（4个）螺母GB52-76（4个）垫圈GB97-76（4个）型号功率KW6.3A29001:3220914972.710.9112.5Y160L-218.516X00M1250M121223865926576.212.6514.53P4509921978.214.3016.445153905578.516.0018.45:5690885777.217.5920.2Y200L1-23020X00M1660M161666334854374.519.6022.576978814870.521.79J25.19-19离心通风机性能与选用件表机号M传动方式转速r/min序号流量m/h全压Pa内效率%内功率KW所需功率KW电动机联轴器GB4323-84（一套）地脚螺栓GB79—76（4个）螺母GB5—76（4个）垫圈GB9,76（4个）型号功率KW146101171772.719.8323.355X11265X142255321186876.222.9927.0Y200L2-237TL8M16X00M1616364541180778.225.9930.57.1D2900473761159678.529.0934.1（200—65XD5）5:8144「1134077.231.9837.5TL860X42690661093574.535.6341.8Y250M-25565X42M20X00M20207[9988:1042670.539.6246.5（200-65>60）165941503472.736.0242.3279131522976.241.7549.0TL865X42392321515178.247.2155.4Y280S-27565X42M20X00M20208D29004105501487778.552.8362.0（200-65>65）5116491454677.258.0868.26129681402174.564.7175.9TL865X42Y315S-211065X42-65XS5）M24X30M24247142871336270.571.9584.4（200机号传动方式转速r/min序号流量m/h全压Pa内效率%内功率KW所需功率KW电动机联轴器GB4323-84'（一套）地脚螺栓GB799-76(4个)螺母GB52-76(4个)垫圈GB⑥一76（4个）型号功率KW8D145013297362072.74.55.5Y132M-47.538M2M10X220M101023957366576.25.226.165X142(200-65X38)346163647178.25.90:6.945275358478.56.607.7Y160L-41542X112M12X300M1212558253507177.2P7.26r8.5TI865X142(200-65X42)66484338474.58.099.5771443231:70.5P8.99r10.69D145014695459772.78.119.5Y160L-41542X112M12X300M121225633465576.29.41p11.0TL865X142(200-65X42)36572463278.210.6312.547511455178.511.9014.058294445377.213.0815.4Y180L-422t|848x112M12X300M121269233429774.514.5817.1TL865X142(200-65X48)710171410170.5I16.2119.010D145016440584076.513.3815.7Y200L-430M16X400M161627942594180[16.03r18.8T|c55X11265X142(200-65X65)39445589181.518.5921.8410947574081r21.12P24.8512450549578.223.8428.067139525244:74.5[26.79r31.4Y225S-43760X42TL865X42(200—65>60)M16X400M16161545549587029.8835.111.2D145019047736476.523.5827.7Y225M-445tl9^0x^85X175(290-85X60)M16X400M161621115874918028.2533.2313269742881.532.7638.441538072368137.2243.7517491692778.242.0249.3Y280S-475PTI975X142M20X500M2020619602660974.547.2155.4TL985X175(290-85X75)72171362467052.6661.8注：联轴器栏中括号内的数字为采用ST010蹴轴器规格9-19离心通风机性能与选用件表9-19离心通风机性能与选用件表9-19离心通风机性能与选用件表机号传动方式转速r/min序号流量m3/h全压Pa内效率%内功率KW所需功率KW电动机联轴器GB4323-84/（一套）地脚螺栓GB799-76(4个)螺母GB52-76(4个)垫圈GB6—76(4个)型号功率KW11.2D96015990318276.56.848.0Y180L-61548X112TL985X175(240-85X48)M12X00M121227388:323780P8.209.6:38785321081.59.5111.2410182[312881r10.8012.7：511580299678.212.1914.3612978286074.513.7016.1Y200L2-62255X112TL985X175(240-85X55)M16X00M161671437527057015.2817.912.5D1450112577:922976.5[40.8447.9：Y280S-475TL975X4285X175(290-85X75)M20X00M20202155121939080148.9257.4318447:931081.5:56.7266.6：421381r90688164.4675.6Y315S-411080X175M24X30M2424524316[867878.2[72.7685.4：TL980X17585X175(290-85X^0)627251827874.581.7595.973018678227091.18107.012.5D96018327397576.511.8513.9Y200L2-622TL955X1285X175(240-85X55)M16X00M161621027040438014.2016.7312213400981.516.4619.341415639078118.7121.9516099374178.221.1124.8Y250M-637TL9型也85X175(240-85X55)M20X00M2020618042357174.523.7227.871998533777026.4631.114D14501176701166876.571.9784.5Y315M-4132180X175TL10j95X175(350-95疋0)M24X30M2424221793118748086.22101.23259161177181.599.96117.3430040[1146481113.59133.3Y355M-4220100>21fM24X30M24245341631096778.2128.22150.5]口10100疋1595X175(350-95X00)63828611045774.51144.06169.11742409987870160.69188.6机号传动方式转速r/min序号流量m3/h全压Pa内效率%内功率KW所需功率KW电动机联轴器GB4323-84（一套）地脚螺栓GB79-76（4个）螺母GB5—76(4个)垫圈GB96—76(4个)型号功率KW14D96011116995004176.520.8924.5Y250M-63765>42M20X500M202021442850908025.0229.4TL1095>75317158504781.529.0134.0(290—95>65)41988849178132.9738.7Y315S-675TL1080>75nc“-7KM24X630M24245：226184709178.237.2143.7625348449474.541.8149.1(290-95>80)72807842497046.6354.716D145012637715425176.5140.31164.6Y355M3-4315M24X630M24242325311570080168.09197.2TL11100X21595>753；3868615563]81.5194.89228.74448411515181221.46259.9(350-95>00)5509951448878.2249.98293.36571501380874.5280.88329.6JS138-4410TL1185>75OK\/A-7KM24X630M24247633051303570313.29367.6(350—95>85)16D960117463657076.540.7247.8Y315S-675TL1080>75M2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