Application areas of multistage pump bodies
Classification: Company News
Time: 2025-05-26
Refinery: atmospheric decompression distillation unit in the bottom of the tower pump (conveying high temperature heavy oil, head 200 ~ 500m);
Industrial Production: High Pressure Fluid Conveying and Process Cycling
1. Petrochemicals
Scenario:
Refinery: atmospheric decompression distillation unit in the bottom of the tower pump (conveying high temperature heavy oil, head 200 ~ 500m);
Chemical process: high-pressure reactor feed pump (such as polymerisation reaction raw material delivery, pressure 10~30MPa).
Pump body material: high temperature alloy steel (such as 1Cr5Mo), corrosion-resistant stainless steel (316L), the need to resist media corrosion (such as sulfur crude oil).
2. Power industry
Scenario:
Thermal power plant: boiler feed pump (conveying high pressure water to the boiler, head 1000~2000m, pressure 10~30MPa);
Nuclear power plant: main feed water pump (safety grade equipment, conveying high temperature and high pressure deionised water).
Pump body characteristics: the use of forged carbon steel (such as 20 # steel) or low alloy steel, need to withstand extreme temperatures (200 ~ 350 ℃) and high pressure, the structure needs to comply with the ASME Code.
3. Metallurgy and Mining
Scenario:
Mine drainage: deep mine shafts (over 500m) with high head (300~800m);
Iron and steel mills: high-pressure cooling water circulation for continuous casting machines (pressure 10~20MPa, cooling the crystalliser).
Pump body material: wear-resistant cast iron (such as high chromium cast iron) or cast steel (ZG270-500), resistant to sediment abrasion.
Keywords: Application areas of multistage pump bodies
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