![]() The modified model could predict well the present data as well as our previous data at an efficient pump operation condition irrespective of the differences in the salinity, the particles specifications and the submergence ratio. In the analysis, Yoshinaga et al.’s model for predicting water and particles discharge rates was modified by incorporating a new correlation of particles flow rate fraction in water-particles mixture. The submergence ratio of the upriser in the water was changed from 0.76 to 0.84, and the air supply rate to the upriser was changed up to 250 l/min while the water rate to the bubble-jet-generator was fixed at 72.0 l/min. The test sediments were three kinds of spherical particles of different size and density, while the test liquid was 3.0 wt % saltwater in view of the usage in sea. In the experiments, the upriser of the pump was 50 mm I.D. In the present paper, the performance of the pump has been reported. This powerful pumping system can easily pump thick mud up thousands of feet through discharge pipelines without the need for additional booster pumps.The bubble-jet-type air-lift pump was invented by Sadatomi in order to pump up water and sediments deposited on lake and sea beds by striking water jet with air bubbles. ![]() Submersible dredge pump, water jetting ring, side head cutters work in conjunction to make this the optimal dredging system for handling compact muds or other highly viscous materials containing a high percentage of solids,all without the risk of damaging sensitive liners. Submersible clay dredging pump with water jet ring and cutter rings. Hydroman™ Electric Submersible Silt / Sand / Clay Dredging Pump with Water Jet Ring or Cutter Ring driven by electric motor, submersible dredging pump with water jet ring and cutter ring have self mixing agitating fuction includes a set of agitating impellers at the bottom, aside from the main impeller, equipped with two or more side cutters and a high pressure water jet ring, which create turbulence for precipitated slurries, thus enable transport of high-density fluids without the help of any auxiliary device, to be added to increase sand production for pumping abrasive and high density slurries in mining, heavy industry, civil construction and municipal applications, so electric submersible sand pump with water jet ring and cutter ring are more popular with presence of compact, very dry or clay materials. ![]()
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