High Temperature Submersible Pump
Material Upgrade: Special Model for High-Temperature Wastewater Adaptation
Targeting the demand for high-temperature wastewater conveyance in industries such as chemical engineering, printing and dyeing, and papermaking, the High Temperature Submersible Pump adopts high-temperature resistant materials and a thermal insulation structure design, and can operate stably in high-temperature wastewater for a long time. Its working principle is consistent with the basic model, but through the upgrade of motor winding's high-temperature resistance, the optimization of seal's heat resistance, and the control of pump body's heat conduction, the High Temperature Submersible Pump effectively resists the damage of high-temperature medium to the equipment.
Structural Design and Core Performance
The core structural upgrades include: the motor winding adopts high-temperature resistant copper wire (temperature resistance 180℃), the insulation grade reaches H level; the mechanical seal adopts silicon carbide-graphite composite material, temperature resistance ≤120℃; a heat insulation cavity is added between the pump body and the motor to reduce high-temperature conduction.
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 advantage is strong high-temperature resistance stability, with a continuous operation life of more than 10,000 hours under 100℃ working condition, and a thermal deformation rate of ≤0.1%. The High Temperature Submersible Pump is mainly used in high-temperature working conditions such as high-temperature reaction wastewater conveyance in chemical plants, high-temperature dyeing wastewater treatment in printing and dyeing factories, black liquor conveyance in papermaking factories, and desulfurization wastewater treatment in power plants. A temperature monitoring and early warning system should be equipped during use.
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