Preheating Water Pump (OH1/OH2)
Products cover gasification, ash water, shift, purification, synthesis, sulfur recovery, and tank farm sections in coal chemical, coal liquefaction, coal-to-hydrogen, coal-to-methanol, coal-to-olefins, coal gasification, synthetic ammonia, and petrochemical plants. They are designed for high-temperature, high-pressure, low-cavitation, wear-resistant, and corrosion-resistant medium transportation.
Flow Rate Q: ~1800 m³/h
Head H: ~200m
Design temperature: 350°C
Design Pressure: 5.0 MPa
Structural Features:
1. The imported guide wheel increases the inlet pressure of the first-stage impeller, which is primarily designed for high cavitation resistance. This combination enables the pump to achieve a cavitation specific speed (C) as high as 2000–2500.
2. The first-stage pressure chamber employs radial guide vanes, reducing axial dimensions.
3. The secondary impeller employs a high-efficiency hydraulic design to enhance pump efficiency.
4. The secondary pressure chamber employs a spiral volute design to further enhance efficiency.
5. The modular single-face mechanical seal, supplemented by the Plan32 flushing scheme, enhances the pump’s sealing reliability and service life.
6. The large-diameter rigid shaft structure enhances pump reliability and operational smoothness.
1. Induction wheel, impeller: High-wear-resistant alloy Ni-Hard
2. Guide vanes, pump casing: Martensitic stainless steel 06Cr13Ni4Mo
3. Pump shaft: Precipitation-hardened stainless steel 17-4PH
Petrochemical Industry: Used for petroleum refining, petrochemical processing, organic compound transportation, and conveying various acid, alkali, and salt solutions. Coal Chemical Industry: Suitable for preheating, circulation, and transportation applications in coal processing. Power Plants: Employed in water treatment systems, boiler feedwater, or circulating water systems within power plants. Paper and Pulp Industry: Utilized for medium transportation and circulation during papermaking processes.
Desalination: Used in desalination plants for conveying preheated or treated seawater.
General Industry: Suitable for industrial applications requiring high-temperature, high-pressure conveyance.
Environmental Protection Engineering: Used for medium conveyance in environmental treatment systems.
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