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英文：
Mud pump fluid shear pump shear
Fluid shear pump is a way to quickly configure and deal with mud solids control equipment, can be configured to meet the performance requirements of the mud. Effective mixing, add sufficient hydration fluid in the material, saving the use of slurry materials, reducing configuration time mud for drilling mud to provide a good performance. Features: drilling fluid shear pump to move soil particles can greatly improve the degree of hydration. Move soil particles in water dispersion and hydration depend on: water and electrolyte content, time, temperature, surface replacement of the number and concentration of cations in the other conditions being equal, the use of drilling fluid shear pump can save 30% bentonite Peng more than make polymer drilling fluid shear pump shear thinning as soon as possible, hydration. Mud used in the high molecular weight polymers, directly into the hydration is not easy, so the polymers need to pre-cut. Shear pump offers a high shear efficiency, speed polymer dilution, hydration process. Shear displacement pump provides higher and lift, to meet the requirements of preparation and handling of slurry. Structure and working principle of fluid shear pump impeller, volute, bearings, packing box, drive shaft, pulley, combination belt, motor and bearing components. Fluid shear pump impeller is different from the pump impeller, a more complex structure. It is the core component of shear pumps, high shear efficiency. Impeller consists of five main components: axial flow turbines, storage tanks, pump wheel, pressurized cabin, and the clipboard. Axial flow turbines, pump impellers, stainless steel storage tanks with a precision casting as a whole, the structure is very compact. Axial flow turbine wheel for the pump and the reservoir tank and the ability to provide a certain displacement of fluid, 50% of the fluid discharge into the vortex through the pump wheel shell, 50% of the storage tank to absorb. The unique design of pressurized cabin, so that the fluid reservoir tank has a certain energy. Discharge of fluid through the pump wheel, parallel to the clipboard with a higher flow velocity. Inhalation of fluid storage tank, 44 through the spray nozzle perpendicular to the clipboard. Jet fluid and the fluid discharge pump round after mixing, the higher velocity impact clipboard outside the park jagged, serrated high-speed rotation of the clipboard, cut again to the fluid. Thus, fluid flowing through the impeller, subjected to repeated shear. Notes can not be used in the active mud system, because the system contains a lot of sand, could easily lead to shear damage the pump. After use must be washed with water cycle, otherwise easily lead to impeller and nozzle blockage. Work, due to high speed shear easily lead to fluid vaporization. Found no pressure or gauge fluctuations, should be immediately shut down the exhaust. Drilling field operations, the winter should be exhausted within the liquid pump, pump to avoid cracking.
中文：
钻井液剪切泵　　
钻井液剪切泵是一种能够快速配置和处理泥浆的固控设备，能满足配置高性能泥浆的要求。有效混合、充分水化钻井液中所加物料，节省泥浆材料的使用，缩短泥浆配置时间，为钻井过程提供良好的泥浆性能。 　　功能： 　　钻井液剪切泵可大大提高搬土颗粒的水化程度。 　　搬土颗粒在水中的分散和水化程度取决于：水中电解质含量、时间、温度、表面可置换阳离子的数量和浓度.在其他条件相同的情况下，使用钻井液剪切泵可节约彭润土30%以上. 　　钻井液剪切泵可使聚合物尽快剪切稀释、水化。 　　泥浆中使用的高分子聚合物的分子量较高，直接加入不易水化，因此对高分子聚合物需要预剪切。剪切泵能提供很高的剪切效率，加快聚合物的稀释、水化进程。剪切泵可提供较高的排量和扬程，能满足配制和处理泥浆的要求。 　　结构及工作原理 　　钻井液剪切泵由叶轮、涡壳、支座、盘根盒、传动轴、皮带轮、组合皮带、电机和支座组成。 　　钻井液剪切泵的叶轮不同于一般水泵的叶轮，结构较为复杂。它是剪切泵的核心部件，具有很高的剪切效率。叶轮主要由五部分组成：轴流涡轮、储液舱、泵轮、增压舱和剪切板。轴流涡轮，泵轮、储液舱用不锈钢精密铸造成一个整体，结构十分紧凑。 　　轴流涡轮为泵轮和储液舱提供具有一定排量和能力的流体，该流体50%通过泵轮排出进入涡壳，50%被储液舱吸收。增压舱的独特设计，使储液舱中的流体具有一定能量。通过泵轮排出的流体，平行于剪切板流动具有较高的流速。储液舱吸入的流体，通过44个喷嘴垂直于剪切板喷射。喷射流体与泵轮排出的流体混合后，以较高流速冲击剪切板外园的锯齿，高速旋转的剪切板锯齿，对流体再次进行剪切。因此，流经叶轮的流体，经受多次剪切作用。 　　注意事项 　　不能使用在活性泥浆系统中，因该系统中含有大量的砂子，易造成剪切泵损坏。 　　用后必须用清水循环冲洗，否则易造成叶轮流道和喷咀堵塞。 　　工作时，由于高速剪切易造成流体汽化。如发现压力表无压或波动太大，应立即停机排气。 　　钻井液野外作业时，冬天应放尽泵内液体，以免泵体冻裂。

3NB-1000 三缸单作用往复泥浆泵 Rated Power额定功率: 735 KW/1000HP Rated. Stroke额定冲数: 110 SPM Stroke Length冲程长度: 273 mm Gear Type齿轮型式: 人字形 Gear Ratio齿轮传动比: 3.482:1 Lubrication润滑: 强制&飞溅 Valve Pot阀腔: API 7 # Suction Inlet吸入口尺寸: 10" (254 mm) Discharge Inlet排出口尺寸: 4" 5000 psi Overall Size 尺寸: 3750 *2155*2052 mm Weight (approx)重量: 15.8 Tons

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