《S型泵说明书》doc版.doc

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概 述 S（SM、SF、SY）型泵系更新换代的高效节能新产品，其适用范围比SA、SH更加广泛。它采用国家标准规范设计，其系列化、标准化、通用化程度高，该型泵性能先进、运行平稳、安全可靠，在设计中采用新结构、新材质，可适用多种介质的输送。S型泵供输送清水或物理化学性质类似于水的液体。SM型泵是针对泥沙河流及类似水质的特点，在S型泵基础上采用新型抗磨结构及材质而设计的新产品，用于多泥砂介质的输送。SF型泵是S型泵基础上采用耐腐蚀材质及机械密封结构而设计的新产品，用于各类腐蚀介质和油品的输送。SL型泵是在S型泵的立式安装型可节省泵房面积。仅适用于特殊场合，具体安装型式及要求与本公司协商确定。SY型泵是S型泵基础上采用机械密封和外加冷却系统，用于各类油品的输送，并可以采用各种材质。S、SM、SF、SL、SY型泵，广泛用于城市给排水、电站、工业流程系统的取水、加压、农田排灌及各种水利工程、石化工程。性能范围；流量5015000m3/h 扬程；8.6140m 温度80也可根据用户要求设计性能参数。过流材质；S型泵；铸铁 SY、SM型泵；球墨铸铁，铸钢及不锈钢。 SF型泵；NiCr铸铁，不锈钢。 也可根据用户要求采用不同材质。泵旋向 ； 从电机端看，泵顺时针旋转（也可根据用户要求设计）GENERAL S.（SM. SF. SY. SL）Series pumps are single, double suction and split case centrifugal pump and are used to pumping clean water or similar liquids in physical and chemical properties The temperarure of the pumped liquids should not be exceeded 80. And the pump is mainly suitable for water supply in factories, mines, cities, hydropower stations, various conservancy projects and irrigation in farms etc.泵型号意义 例500S（SM、SF、SL、SY）35A 500泵的吸入口径（mm ） S单级双吸，中开离心清水泵，（SM为耐磨型，SF为耐腐型，SY输油型，SL为立式型泵）。 35设计点扬程（m）。 A叶轮第一次切割。 Model Code500 S(SM.SF.SL.SY) 35 AWith replacing The impeller whose diameter is smaller than standardHead(35m)Single Stage Double Suction Centrifugal Pump(SM:anti-frication.SF:anti-cor.SL:Ver.SY:oil pump)The Diametre Of The Inlet (500mm)结构说明S型泵的吸入口与吐出口均在水泵轴心线的下方，与轴线垂直成水平方向。检修时无需拆卸进出口水管及电动机。从传动方向看去，水泵为顺时针方向旋转（根据用户需要亦可改为逆时针方向旋转）。泵的主要零件有；泵体、泵盖、叶轮、轴、双吸密封环、轴套等。除轴的材料为优质碳钢外，其余主零件由铸铁、铸钢、不锈钢制成。泵体与泵盖构成叶轮的工作室，在进出法兰上，装有安装真空表和压力表的管螺孔。进出水法兰的下部，装有放水的管螺纹孔。经过静平衡检验的叶轮，用轴套和两边的轴套螺母固定在轴上，其轴向位置可通过轴套螺母进行调整。叶轮的轴向力利用其叶片对称布置、两面进水达到平衡。泵轴承为向心球轴承。轴承装在轴承体内、安装在泵体两端，用黄油润滑。双吸密封环用以减少水泵压力室的水漏回吸水室。泵通过弹性联轴器由电动机直接传动，必要时亦可用内燃机传动。轴封为软填料密封（根据需要也可装机密封）。为了防止空气进入泵内和冷却润滑密封腔，在填料之间装填料环，水泵工作时少量高压水，通过泵盖中开面上的梯形凹槽流入填料腔，起水封作用。CONSTRUCTION DESCRIPTION The inlet and outlet of the pump are both under centerline of the pump shaft, they vertical to the shaft centerline and in horizontal direction, You needn t dismount the outlet and pipes for inspection, Looking from the driven direction the S type rotary direction is clockwise (or can change to clock wise as users requirment) Main parts of the pump; (1)Lower Gasing (2)Upper Casing (3)Impeller (4)Shaft (5)Double Suction Seal Ring (6)Shaft Sleeve.etc They are made of cast iron except the shaft material being made of fine steel (or Impeller bronze. Shaft s. s).The impeller working house is composed of pump casing and pump cover , The threaded holes for installing the vacuum gauge and manometer are separately located at the suction flange and the discharge flange . At the bottom of the inlet or outlet flange a drain threaded hole equipped here. The impeller checked by statical balancing is fixed on the shaft by the shafl sleeves and the shaft sleeve nuts, which axial position can be adjusted by the sleeve nuts, And for the axial force of the impeller, it can be by using adjusted the symmetrical distribution of the impeller and the balanoe the two-sides water. The pump shaft is supported by two single radial ball bearing. The bearing fitted on the ecds of the pump casing is installed in the bearing boby and is I ibricated by oil grease. The double suction seal ring is used to reduce the leakage water from the pressure water house which would flow back to the suction water house. The pump is driven by the motor through the flexible coupling (It also can be driven by dicsel engine if it is necessary) The shaft seal is packing or mechanical seals, the packing ring is installed among the packing in order to prevent air from coming into the pump and cooling lubricating sealing case, and while the pump working , it