Corrosion Resistant Submersible Pump
Special Design: Nemesis for Conveying Strongly Corrosive Media
Targeting the demand for conveying strongly corrosive wastewater in industries such as chemical engineering, electroplating, and metallurgy, the Corrosion Resistant Submersible Pump adopts a customized design with corrosion-resistant materials, fully upgrading from the pump body to the seals, and completely solving the problem of erosion of equipment by strongly corrosive media. Its working principle is consistent with the basic model, but the Corrosion Resistant Submersible Pump adapts to media of different corrosion levels through differentiated materials to ensure long-term stable operation.
Structural Design and Core Performance
The core of the structure is precise material adaptation: 316L stainless steel is used for weakly corrosive media (such as dilute acids); fluoroplastic lining or Hastelloy is used for strongly corrosive media (such as concentrated acids and alkalis); the seals adopt polytetrafluoroethylene + silicon carbide combination, whose corrosion resistance is far superior to ordinary materials.
Performance parameters
|
Parameter Name (Symbol) |
Core Function |
Range |
|
Flow Rate (Q) |
Indicates the hourly sewage delivery capacity and determines sewage discharge efficiency |
1-1000m³/h (Small-sized: 1-50m³/h; Large-sized: 50-1000m³/h) |
|
Head (H) |
Determines the sewage lifting height and long-distance conveying capacity |
5-100m (Small-sized: 5-30m; Large-sized: 30-100m) |
|
Power (P) |
Motor driving power, directly affecting the upper limits of flow rate and head performance |
0.75-320kW |
|
Caliber (DN) |
Diameter of water inlet and outlet, which shall match the on-site sewage pipe size |
25-300mm |
|
Medium Temperature |
Adapts to sewage of different temperatures to avoid equipment damage |
Normal Temperature Type (≤40℃); High Temperature Type (≤100℃) |
|
Medium Concentration |
Refers to the solid particle content in sewage, affecting the pump's anti-clogging and wear resistance |
Solid Content ≤10%-30% |
|
Parameter Name (Symbol) |
Core Function |
Common Range/Description |
|
Flow Rate (Q) |
Volume of fluid delivered per unit time, reflecting the pump's delivery capacity |
Several L/min to thousands of m³/h; Common units: m³/h, L/min |
|
Head (H) |
Energy obtained per unit weight of fluid, reflecting the pump's ability to overcome resistance and lift fluid |
Single-stage ≤125m; Multi-stage up to thousands of meters (Unit: m water column) |
|
Rotational Speed (n) |
Impeller rotation speed, matched with the motor, directly affecting flow rate and head |
Common: 2900r/min, 1450r/min |
|
Efficiency (η) |
Ratio of effective power to shaft power, reflecting energy conversion efficiency |
Ordinary type: 90%-98%; Highest efficiency under design conditions |
|
Net Positive Suction Head (NPSH) |
Minimum suction pressure margin to prevent cavitation in the pump and protect the impeller |
Unit: m; Device margin must be greater than required margin |
|
Medium Adaptability |
Determines the material selection of pump body and components to ensure equipment durability |
Including temperature, viscosity, corrosiveness, solid content; Select materials as needed |
Core Advantages and Application Scenarios
Its core advantages are strong corrosion resistance and a wide range of adaptable media, which can be customized to match different corrosion working conditions. Typical application scenarios of the Corrosion Resistant Submersible Pump include sulfuric acid/hydrochloric acid wastewater conveyance in chemical plants, acid-base waste liquid treatment in electroplating factories, pickling wastewater discharge in metallurgical factories, and desulfurization and denitrification absorption liquid conveyance in the environmental protection industry. Before use, medium samples can be provided for material adaptation testing.
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