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1、精品名师归纳总结封面作者： PanHongliang仅供个人学习可编辑资料 - - - 欢迎下载精品名师归纳总结IS 型单级单吸清水离心泵INSTRUCTION FOR INSTALLATION AND OPERATION OFTYPE IS PUMP安装使用说明书Instruction On Installation And Operation湖南湘电长泵（长沙水泵厂）长一制泵有限公司ChangYi Pump Manufacturing Co.,Ltd. Of XiangDian ChangSha Pump Works可编辑资料 - - - 欢迎下载精品名师归纳总结可编辑资料 - - - 欢
2、迎下载精品名师归纳总结1、概述 General2、结构说明 Construction目录CATALOGUE可编辑资料 - - - 欢迎下载精品名师归纳总结3、装配与拆卸 Assembling and Dismantling 4、安装 Erection5、启动、停止与运转 Starting, Shutdown and Running6、故障缘由及其解决方法 Probable Fault and Their Remedy可编辑资料 - - - 欢迎下载精品名师归纳总结1、概述IS 型泵系单级单吸（轴向吸入）清水离心泵，适用于工业和城市给水、排水，亦可用于农业排灌。供输送清水或物理及化学性质类似清水
3、的其它液体之用。温度不得高于 80。IS 型泵系列性能范畴（按设计点计） 转 速 n：2900r/min 和 1450 r/min 进口直径： 50 200mm流量 Q： 6.3 400 mm扬程 H： 5 125 mmIS 型系列泵型谱及主要性能参数见图2 和表 1。型号说明，例如：IS80-65J-160AIS单级单吸清水离心泵80吸入口直径（）65排出口直径（） J表示降速使用 160叶轮名义直径（）A A、B、C 叶轮直径经第一、二、三次切割2、结构说明IS 型泵系依据国际标准 IS02858 所规定的性能和尺寸设计的，主要由泵体（ 1）、泵盖（ 2）、叶轮（ 3）、轴（ 4）、密封环
4、（ 5）、轴套（ 6）及悬架轴承部件（ 12）等所组成（图 1）。IS 型泵的 泵体和泵盖是从叶轮背面处剖分的，即通常所说的后开门结构形式。其优点是检修便利，检修时不动泵体、吸入管路、排出管路和电动机， 即可退出转子部件进行修理。1. GeneralThe pump of type IS is a single stage, single suction axial suction centrifugal for pumping clean water and the other liquids physically and chemically similar to可编辑资料 - - - 欢
5、迎下载精品名师归纳总结the clean water. The temperature of liquid shall not be over 80 . This pump is suitable for public water supply and drainage duties in industries and land irrigation also in agriculture.Design duty and features: at design point Speedn:2900rpm and 1450rpm Inlet diameter:50 to 200mm Capacit
6、y Q:6.3to 400m3/hHeadH:5 to 125mSee Fig 2 and chart 1 for size and performance parameters of IS pump. Details should be supplied by manufacturer.Description of pump symbol figures:For example: IS 80-65J-160AIS Single stage, single suction clean water centrifugal pump 80 Inlet diameter mm65 Outlet di
7、ameter mm J Rated speed dropped 160: Nominal impeller diameterA A、B、C separately represents that impeller diameter is cut the first the second and the third time2. ConstructionIS type pump is designed with performance and dimensions specified to the International Standard ISO 2858. The major compone
8、nts are casing 1 casing cover2 impeller 3 shaft 4 wear ring 5 shaft sleeve 8 bearing bracket 12 etc. See Fig 1 IS pump is divided into the casing and the casing cover from the back face ofthe impeller i.e. back pull-out design.泵的壳体（即泵体泵盖）构成泵的工作室，叶轮、轴和轴套等为泵的转子部件。悬架轴承部件支承着泵的转子部件，滚动轴承承担泵的径向力和部分轴向力。为了平稳
9、泵的轴向力，大多数泵的叶轮前、后均设有密封环，并在叶轮后可编辑资料 - - - 欢迎下载精品名师归纳总结盖板上设有平稳孔。由于有些泵的轴向力不大，叶轮背面未设密封环和平稳孔。IS 型泵结构图图 11、泵体2、泵盖3 、叶轮4、轴5、密封环6、叶轮螺母7、制动垫圈8、轴套9、填料压盖10、填料环11、填料12、悬架轴承部件可编辑资料 - - - 欢迎下载精品名师归纳总结IS pump has the advantagesfor ease of inspection and maintenance. When inspection, only dismantle the intermediate
10、connector between pump coupling and motor coupling. The rotating element can be completely removed without disturbing the casing, suction and discharge pipeline and motor.The pump volute form is composed of casing and casing cover. The rotating element consists of impeller, shaft and rollingbearing.
11、 The rotating element is carried by the rolling bearings mounted in a hanging bearing bracket and radial and axial thrust is supported by the bearings.In order to balance axial thrust, there are both wear rings in front and at theback of the majority of the impeller and the balance hole is on the ba
12、ck shroud of the impeller. The axial thrust of some pumps is not big enough, so there is no wear ring and balance hole at the back of the impeller.Description of a Sectional Arrangements of Type IS PumpFigure 11. Casing2.casing cover3.impeller4.shaft5.wear ring6.impeller nut7. Brake gasket 8.shaft s
13、leeve 9.gland 10.water seal ring11.packing 12.bearing bracket泵的轴向密封是由填料压盖（ 9）、填料环（ 10）和填料（ 11）等组成， 以防止进气或大量漏水。泵的叶轮如有平稳孔，就装软填料的空腔与叶轮吸入口相通，如叶轮入口处液体处于真空状态，就很简洁沿着轴套表面进气，故在填料腔内装有填料环，通过泵盖上的小孔，将泵室内压力水引至填料环进行密封。泵的叶轮如没有平稳孔，由于叶轮背向液体压力大于大气压，因而不存在漏气问题，故可不装填料环。为防止轴磨损，在轴通过填料腔的部位装有轴套爱惜，轴与轴套之间装有O 型密封圈，以防沿着协作表面进气或漏水
14、。泵的传动方式是通过弹性联轴器与电动机联接的。泵的旋转方向，从电动机端看，为顺时针方向旋转。泵的尺寸见图 3 和表 2。泵的吸入口和排出口的法兰连接尺寸见图5 和表4。3、装配和拆卸可编辑资料 - - - 欢迎下载精品名师归纳总结泵在装配前应第一检查零件有无影响装配的缺陷，并擦洗干净，方可进行装配。3.1 、 预先可将各处的连接螺栓、丝堵等分别拧紧在相应的零件上。3.2 、 预先可将“ O”形圈、纸垫、毛毡等分别放置在相应的零件上。3.3 、 预先可将密封环和填料、填料环、填料压盖等依次装到泵盖内。3.4 、 将滚动轴承装到轴上，然后装到悬架内，再合上压盖，压紧滚动轴承，并在轴上套上挡水圈。3
15、.5 、 将轴套装到轴上，再将泵盖装到悬架上，然后再将叶轮、止动垫圈、叶轮螺母等装上并拧紧，最终再将上述组件装到泵体内，并拧紧泵体、泵盖上的连接螺栓。可编辑资料 - - - 欢迎下载精品名师归纳总结The shaft seal consists of packing gland 9 water seal ring 10 and packing11 to prevent air from in taking or the amount of leakage. If there is a balance hole of the impeller, cavity for soft packing c
16、onnects to the impeller entrance. If liquid of the impeller entrance is at vacuum state, it is easy for air entraining along the surface of the shaft sleeve. So water seal ring is in the stuffing box.Pressure water in the pump volute is led to water seal ring to be sealed. If there is no balance hol
17、e of the impeller, liquid pressure at the back face of the impeller is higher than atmosphere. There is no air leakage, so the water seal ring can not be packed.The shaft sleeve is on the shaft to avoid excessive shaft wear. There “isO”ringbetween the shaft and the shaft sleeve to prevent air entran
18、ce or water leakage along the matched surface. Drive is transmitted from the motor to the pump by a flexible coupling with the intermediate connector. Rotation is clockwise when viewed fromthe driven end.See Fig 3 and chart 2 for the pump dimensions. See Fig 5 and chart 4 for dimensions of suction a
19、nd delivery flange.3. Assembling and DismantlingFirst inspect whether there are some defects and clean well before installing.3.1 Tight connecting bolts and screwed plug to the corresponding parts in advance.3.2 Put “O”seal ring, paper gasket and felt less pad on the corresponding parts in advance.3
20、.3 Fit wear ring, packing, water seal ring and gland in the casing cover in proper order.3.4 Put rolling bearing on the shaft and then carry it into the bracket to be coveredwith a gland. Press the rolling bearing and put the water thrower on the shaft.3.5 Put the shaft sleeve on the shaft and the c
21、asing cover on the bracket. Then place impeller, brake gasket and impeller nut and tighten them up. At last carry the above components into the casing and tight connecting bolts on the casing and the casing cover.在上述装配过程中，一些小件如平键、挡油盘、挡水圈、轴套内O 形密封圈等简洁遗漏或装错次序，应特别留意。可编辑资料 - - - 欢迎下载精品名师归纳总结泵拆卸次序基本上可按装配
22、次序反向进行。4、安装泵安装的好坏对泵的运行和寿命有重要影响，所以安装和校正必需仔细进行。泵的外形安装尺寸分为 B 型和 F 型两种， B 型为标准型安装尺寸， F 型为中意用户特别需要的非标准型安装尺寸，详见图4 和表 3。1、安装和校正 清除底座上的油腻和污垢，把底座放在的基上。 用水平仪检查底座的水平度，答应用锲铁找平。 用水泥浇灌底座和的脚螺栓孔眼。 水泥干固后应检查底座和的脚螺栓孔眼是否松动，合适后拧紧的脚螺栓，重新检查水平度。 清理底座的支持平面，水泵脚及电机脚的平面，并把泵和电机安装到底座上。 联轴器之间应保持确定的间隙，检查水泵和电机轴中心线是否一样， 可用薄垫、片调整使其同心
23、。测量联轴器的外圆上下、左右的差别不得超过0.1 .。两联轴器端面间隙一周上最大和最小的间隙差别不得超过0.3 .。2、安装说明 泵的安装高度、管路的长度、直径、流速应符合运算，力求削减不必要的缺失，可参考表五进行核算。 长距输送时应取较大管路，管路应有自己的支架，不答应管路的重量加在泵上，防止把泵损坏。 排出管路如装逆止阀，装在闸阀和泵排出管路之间。Specially take care of these parts for ease of omission or disorder of sequence such as flat key, oil baffle, water thrower
24、,“O”seal ring in the shaft sleeve during the process of assembling.Dismantle sequence is the opposite direction to the assembling sequence.4. Erection可编辑资料 - - - 欢迎下载精品名师归纳总结Pump installing has an important influence on pump operating and service life, so installing and alignment must be done carefu
25、lly. See Fig 4 and chart 3 for the overall dimensions of pump.4.1 Assembling and Alignment(1) Clean off oil stain and dirt on the soleplate and put the soleplate on the foundation.(2) Level the soleplate by using a level-meter and adjust the level by ironshimming piece.(3) Grout in the foundation an
26、d the bolts holes.(4) When the grouting had been set, check looseness of the found action and the bolt holes and tighten the foundation bolts. Readjust the level.(5) Clean the surfaces of support, pump foot and motor foot. The pump and motor are mounted on the soleplate.(6) Keep the certain clearanc
27、e between the couplings. Check the alignment of the centerline of the motor shaft to the pump shaft and adjust the alignment by a thin packing piece. The radial displacement at the coupling periphery is within 0.1 mm. The difference between maximum and minimum clearance at the periphery of the two c
28、oupling end faces is not more than 0.3 mm.4.2 Erecting Instructions(1) The installing height of the pump, length and diameter of the pipe and velocity should be required to meet calculation. Decreaseunnecessarylosses to a minimum and calculate for reference to chart 5.(2) Select the large pipe diame
29、ter for long distance pumping. To avoid the damage to the pump, the pipes should have their supports and not allow the weight of the pipes to impose on the pump casing.(3) The check valve should be fitted inside gate valve in the delivery pipe. 5、启动、停止与运转5.1 、 启动 应在机泵联接前确定电动机的旋转方向是否正确，泵的转向是否灵敏。 关闭吐出
30、管路上的闸阀。 向泵内灌满水，或用真空轴引水可编辑资料 - - - 欢迎下载精品名师归纳总结接通电源，当泵达到正常转速后，在逐步打开吐出管路上的闸阀，并调剂到所需要的工况。在吐出管路上闸阀关闭的情形下，泵连续工作的时间不能超过 3 分钟。5.2 、 停止 逐步关吐出管路上的闸阀，切断电源。 如环境温度低于 0，应将泵内水放出，以免冻裂。 如长期停止使用，应将泵拆卸清洗上油，包装保管。5.3 、 运转 在开车及运转过程中，必需留意观看外表读数，轴承发热，填料漏水和发热及泵的振动和杂音等是否正常，假如发觉反常情形，应即时处理。 轴承温度最高不大于 80，同时轴承温度不得高于四周温度40。 填料正常
31、，漏水应当是少量均匀的。 轴承油位应保持在正常位置上，不能过高或过低，过低时应准时补充润滑油。 如密封环与叶轮协作部位的间隙磨损过大，应更换新的密封环。5. Starting, Shutdown and Running5.1 Starting(1) Check that the motor rotates in the correct direction and that the pump rotates well before the motor is connected to the pump.(2) Close the valve in the delivery pipe.(3) The
32、 pump is fully primed or is primed by the vacuum pump.(4) After power connection has been done and the pump has attained the normal speed, open the gate valve slowly in the delivery pipe and bring the pump gradually up to load required. The pump must not be allowed to run continuously for more than
33、three minutes against a fully closed gate valve in the delivery pipe.5.2 Shutdown Procedure(1) Close the gate valve gradually in the delivery pipe and power cut.(2) If the ambient temperature is below 0 , water should be drained out of the pump to prevent frost crack.可编辑资料 - - - 欢迎下载精品名师归纳总结(3) If t
34、he pump is to be stored for a long period, it should be dismantled, cleaned, oiled, packed and well preserved.5.3 Running checks(1) Carefully check that all instruments and gauges, bearing overheating, the leakage from the gaskets, the packing overheating, excessive vibration and excessive noise lev
35、el have been existing during the operational period. If the faults are found and they are to be eliminated immediately.(2) The high temperature of the bearing does not exceed 80 and the temperature of the bearing must not be allowed to exceed 40 of the ambient temperature.(3) There is a little and e
36、ven leakage when packing is in good condition.(4) Ensure that oil is maintained at its correct level, not too high or too low. Replenish with correct grade of lubricating oil at too low.(5) If the clearance between the wear ring and the mating face of impeller neck isexcessive, renew a wear ring. 6、
37、故障缘由及解决方法故障缘由解决方法1、水泵不吸水，压力可编辑资料 - - - 欢迎下载精品名师归纳总结表及真空表的指针在猛烈摇摆2、水泵不吸水，真空表表示高度真空3、看压力表水泵出水处是有压力，然而水管仍不出水注入水泵的水不够，吸入管路水管或外表漏气底阀没有打开，或已淤塞，吸入管路阻力太大， 泵安装高度太高出水管阻力太大，旋转方向不对，叶轮淤塞再往水泵内注水或拧紧堵塞漏气处校正或更换底阀，清洗或更换吸入管路，减低吸水高度检查或缩短水管及检查电机，取下水管接头，清洗叶轮清洗水泵及管子，更换口可编辑资料 - - - 欢迎下载精品名师归纳总结4、流量低于估量水泵淤塞，口环磨损过多环5、水泵耗费的功率
38、过填料函压得太紧，填料函拧紧填料函，或将填料取可编辑资料 - - - 欢迎下载精品名师归纳总结可编辑资料 - - - 欢迎下载精品名师归纳总结大发热，因磨损叶轮坏了， 水泵供水量增加流量太大，吸水管内阻力出来打方一些，更换叶轮，增加出水管路的阻力，来降低流量增加出水管得阻力以减低流量，检查泵吸入管内阻可编辑资料 - - - 欢迎下载精品名师归纳总结6、水泵内部声音反常，水泵不上水7、轴承过热8、水泵振动太大，吸水高度过大，在吸水处有空气渗入，所输送的液体温度过高没有油，水泵轴与电机轴不在一条中心线上泵轴与电机轴不在一条中心线上或泵轴倾斜了力，检查底阀削减吸水高度。拧紧堵塞漏气处。降低液体温度注
39、油，把轴中心校准把水泵和电机的轴中心线对准可编辑资料 - - - 欢迎下载精品名师归纳总结6. Probable Fault and Their RemedySYMPTOMPROBABLE FAULTREMEDY(1) Pump loses liquid.可编辑资料 - - - 欢迎下载精品名师归纳总结Indicating needle of pressure gauge and vacuum meter jumps severely.(2) Pump loses liquid. Vacuum meter is at hard vacuum state.(3) Pressure exists
40、at pressure gauge but no discharge from pipe.(4) Quantityunderestimated.5Excessivepower consumption.Pump not fullyprimed. Air leaks in pipe line or gauge.Foot valve not open or blocked.Resistance force too high. Suction line too high.Resistance force too high, impeller rotating in wrongdirection. Im
41、peller blocked.Blockage in pump. Rings worn excessively. Stuffing boxes too tight Stuffingboxesoverheating.Pumpdelivering more than its ratedquantitybecause of impeller damaged for wear.Stop pump. Re-prime and repair leak.Adjust or renew foot valve. Clear or renew suction pipe. Reduce height.Check p
42、ipe and motor. Shortenpipeandclean impeller.Cleanpumpandpipe, Renew ring.Tightstuffingboxesor reassemble stuffing boxes as necessary. Renew impeller.Increase resistance force in discharge pipe to reduce capacity.可编辑资料 - - - 欢迎下载精品名师归纳总结(6) Noise not good witinFlow quantity too large.Increase resista
43、nce force in可编辑资料 - - - 欢迎下载精品名师归纳总结可编辑资料 - - - 欢迎下载精品名师归纳总结pump.Loss of suction.(7) Bearing overheating(8) Pumpexcessive vibration.Resistance force too high in suction line. Height too high and air leak at inlet of suction pipe. Temperature too high.No oil.Pump and drivingunit out of alignment.Pump
44、 and drivingunit out of alignment.Pump shaft bent.IS 型泵性能参数delivery pipe to reduce flow quantity.Checkresistance force in suction pipe. Check footvalve Reduce suction lift. Make good if any leaks.Reducetemperatureofliquid.Fill with oil.Realign pump and driving unit.Realign pump and driving unit.Stra
45、ighten shaft.可编辑资料 - - - 欢迎下载精品名师归纳总结可编辑资料 - - - 欢迎下载精品名师归纳总结表 1Chart 1Size and performance parameters of IS pump可编辑资料 - - - 欢迎下载精品名师归纳总结可编辑资料 - - - 欢迎下载精品名师归纳总结参数Parameter流量Capacity扬程Head转速Speed配套轴功率Shaft power功率效率必需汽蚀余量叶轮名义直径泵口径重量可编辑资料 - - - 欢迎下载精品名师归纳总结型号TypeQHnPaMotor powerEff.NPSHrImpeller Dia .进口Inlet Dia.出口Outlet Dia.Weight可编辑资料 - - - 欢迎下载精品名师归纳总结