High Chrome Gravel And Dredge Pump

High Chrome Gravel And Dredge Pump is mainly used for the continuous long-distance transportation of strong abrasive slurry because the medium particles are too large to be transported by general slurry pumps. Its wet-end parts are made of high-chromium alloy material, its Rockwell hardness is as high as 60-68HRC, and it has high durability.

It is suitable for dredging, sand absorption, river dredging, mining and metal smelting slag transportation. The bearing assembly of sand gravel pump adopts cylinder structure, which is convenient to adjust the clearance between impeller and pump body, and can be removed as a whole during maintenance.

Countermeasures for failure of High Chrome Gravel And Dredge Pump:

1.匹配和screening of 2.1 well condition and sand pump tube column

2.Before construction, the geological process plan is carefully examined, and the sand cleaning and sand cleaning conditions are carried out. The sand pumping is given priority to the vertical wells with low pressure leakage, water sensitivity and well depth less than 2500m casing. The sand suction 139.7mm casing sand column does not exceed 100m, and the 177.8mm sand column does not exceed 50m. Within 2500 m depth of sand pumping well, _70sand pumping pump is used. The well depth exceeds 2500 m and the pumping times are low when limited by the power of operation machine. _83sand pumping pump should be used.

3.The reasonable determination of the length of the sand sinking pipe. The sand pipe is too long to store sand, but it is limited by the well, the pressure difference is small, the efficiency of the sand fishing is low, the length is too short, the pressure difference is great, the efficiency of the sand fishing is high, but the sand is not enough, the sand is easy to enter the pump tube, causing the damage of the pump. At present, the usually used sand pump can reach the 100-200m in the sand pipe. According to the field experience, loading the 300-400M sand pipe can not only guarantee the smooth sand dredging, but also guarantee the effect of sand sinking, for example, too much sand can be divided into sand to meet the requirements.

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