泵

The company is specialized in producing sewage treatment equipment. Main products are drain pump, stirring machine, drain grating, electromagnetic starter etc..

国内一流的水及污水处理处理设备的厂家，增强型潜水排污泵、WQ系列潜水排污泵等泵类产品，QJB潜水搅拌器、GSGS型钢丝绳牵引式格删除污机、GSCY型铲抓式移动格栅除污机等水处理产品，QC30系列电磁启动器等电控设备产品

Permanent pump is famous large-scale water supply and drainage equipment, chemical pump series of professional manufacturers.

隔膜泵。管道泵永久泵业是国内知名的大型给排水设备，化工泵系列的专业制造商。

The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail; 3. To verify the exactness of FEM and learn the principle of vibration of dredge pump further, The orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show: the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition.

模态分析确定了泥泵的振动特性；谐响应分析确定了泥泵转子轴在偏心力的作用下轴截面处的最大响应位移；研究了转子轴的质心位置、轴承刚度和质量偏心矩对转子轴振动特性的影响； 3、采用轴心轨迹法，实船测量了泥泵轴工作时振动响应值。

Series is a kind of mechani-cal seal component with centripetal. inbuilt, single face. multi-spring and non-equil-ibrium structrure and conforms to ISO 3069 and JB1472-75. It applies to all kinds of centri-fugal pump,chemical pump,inline pump,pipe pressure pump,dredge pump and multi-stage feed pump.

本型号机械密封件是一种内流内装，单端面，多弹簧非平衡型结构，符合ISO-3069，JB1472-75标准，应用于各种离心泵，化工泵，管道泵及管道增压泵，排污泵，多级给水泵。

This type pump has a particularly designed tearing mechanism. It can tear, cut fibred matters, and then drains them smoothly without needing filter net. So this type pump is particularly suitable for transporting sewage contained long fibred.

本型泵特别设计了一种特殊的撕裂机构，能够将纤维物质撕裂、切断，然后顺利排放，而无需在泵上加装滤网，因此本型泵特别使用于输送含有长纤维物质的污水。

The main products are: LPG pump, liquid ammonia pump shield, float liquid level regulator, acid pump, fluorine plastic pumps.

主要产品有：液化气泵，液氨屏蔽泵，浮子液面调节器，耐酸泵，氟塑泵等。

Electric submersible screw pump are screw pump and the electric submersible pump combination is a very applicable to horizontal wells downhole fluid lift system, belong to non-rod pump systems, to avoid the tube, rod friction wear and tear.

电潜螺杆泵是螺杆泵和电潜泵的组合，是一种非常适用于水平井的井下流体提升系统，属于无杆泵系统，避免了管、杆摩擦损耗。

Taking velocity moment as controlled variable, the formulas were deduced to calculate quasi-3D inverse problem for uniform stream model of guide pulley. According to the theory of two relative flow surfaces and the force analysis of air bubble, the formulas were deduced to calculate quasi-3D direct problem while gas and liquid running in the guide pulley of multiphase pump, and a method was provided to carry on quasi-3D numerical calculation of inner flow filed.

以速度矩作为控制参数，推导出多相泵导轮中均匀流模型的准三维反问题计算公式；基于两类相对流面理论及气泡的受力分析，推导出气、液两相在多相泵导轮中运动的准三维正问题的计算公式，提出一种对多相泵导轮内流场进行准三维数值计算的方法。

Valves used to regulate working conditions at the pump, check valve in the liquid pump to prevent backflow when the reverse, and pumps to avoid water hammer blow.

阀门用来调节泵的工况点，逆止阀在液体倒流时可防止泵反转，并使泵避免水锤的打击。

Pump valves used to regulate the working conditions, Nizhi when the valve to prevent backflow of liquid in the pump reverse, and pumps to avoid water hammer blow.

阀门用来调节泵的工况点，逆止阀在液体倒流时可防止泵反转，并使泵避免水锤的打击。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。