China 8 inch sand suction dredge pumps for dredger vessel sand dredging Manufacturers
Product features of sand suction dredge pumps for dredger vessel sand dredging:
Depump submersible slurry pump is mainly used to transport slurry containing abrasive particles such as sand and gravel, non explosion and tailings. It is mainly used in mining, electric power, chemical industry, environmental protection, river dredging, sand pumping, municipal engineering and other industries. Depump submersible slurry pump has the advantages of convenient installation and movement, high slurry pumping efficiency and long-term safe operation under harsh working conditions.
Factory directly China High Quality 8 inch Sand Suction Dredge Pumps for Dredger Vessel Sand Dredging, We adopted technique and quality system management, based on "customer orientated, reputation first, mutual benefit, develop with joint efforts", welcome friends to communicate and cooperate from all over the world.
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SS: Submersible slurry pump
3 phase electricity
Temperature: Max. 60℃
PH value: 2-10
Medium specific gravity: 1300kg/m³
Medium: medium suitable for strong abrasive solid particles and slightly corrosive sewage slurry
Solide size: The diameter of solids in the medium shall not be greater than 80% of the minimum reserved size of the pump
1 motor overload protection
2 motor overheating protection
3 oil chamber water inlet protection
4 motor leakage protection
5 float switch
1. Pump body impeller: the pump body impeller is made of high chromium wear-resistant material, with good overcurrent performance, high efficiency, flat power curve, not easy to overload, accurate impeller balance, small vibration and stable operation
2. Mixing impeller: the mixing impeller is located at the bottom of the pump body, which can stir the sediment and sludge at the bottom into turbulence and then extract and discharge, so as to integrate diving, mixing, blowing and sand pumping, with high sand absorption efficiency and more thorough desilting.
3. Motor winding: specially designed submersible motor adopts high-quality international standard pure copper wire. Under internal resistance, it has obvious energy-saving effect, power gun gold, high efficiency, IP68 protection grade and F insulation grade, so that the motor has good insulation effect and excellent cooling effect.
4. Motor cooling: the motor heats up and dissipates heat through the casing. As long as the medium submerges the stator casing, it can operate safely. The more submergence, the more favorable the motor cooling. The motor shell is made of cast iron, and the maximum submerged depth is 30m（ Special parameters can be customized)
5. Mechanical seal: the motor shaft adopts two independent mechanical seals in series, with two reliable sealing lines. First, in the medium in the pump, the mechanical seal automatically balances the pressure. With the increase of the medium pressure on the sealing surface, it can effectively prevent water from entering the oil chamber. The second line is in the oil chamber to prevent oil from entering the motor. If the first line of defense fails, the second line of defense can still effectively prevent water / oil from entering the motor. Depump adopts professional customized mechanical seal, which can run more than 8000 hours without fault under normal use.
6. Bearing: the lower double row angular contact bearing has strong bearing capacity and forms a reliable support for the motor water pump shaft with the upper ball bearing, which has a large bearing strength for the radial, axial and other forces generated by the submersible slag river pump during operation, so as to ensure the smooth operation of the unit and prolong the service life of the motor.
7. cable: Cable non corrosion-resistant anti-aging rubber sheath soft cable, cable core section according to 40 degree temperature and motor full load power.
8. Motor casing: the casing, upper end cover, gland, etc. form the motor casing. Butyl O-ring is provided between all parts to form a reliable static seal. Each set will undergo strict hydrostatic test before leaving the factory to ensure no leakage.
The maximum submergence depth of cast iron is 30m, and that of cast steel is 150-200m.
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