What Industries Are High Pressure Centrifugal Fans Suitable For?

High pressure centrifugal fans (Total Pressure > 3000 Pa, typical models: 9-19, 9-26) are characterized by their high pressure capability, allowing them to overcome high system resistance from pipelines, filter bags, furnaces, and other equipment. They are widely used for high-pressure air supply, exhaust, pneumatic conveying, and blowing/purging applications.

1. Building Materials & Cement Industry

• Cooling at cement kiln heads, kiln tail exhaust, raw mill / coal mill circulating ventilation, and clinker cooler cooling;
• Powder pneumatic conveying and dust collection systems, requiring wear-resistant impellers to handle high-dust gas flow.

2. Metallurgy & Steel Industry

• Blast furnace air supply, sintering exhaust, converter gas recovery, and coke oven gas treatment;
• Forced combustion air supply for heating furnaces and melting furnaces, with high requirements for high-temperature and wear resistance in some applications.

3. Power Generation & Waste-to-Energy Plants

• Coal-fired / biomass boilers and waste incinerators: primary air, secondary air, induced draft, and FGD/SCR booster applications;
• Air supply for circulating fluidized bed boilers, overcoming high resistance from flue gas ducts and desulfurization systems.

4. Chemical, New Materials & Lithium Battery Industry

• Gas circulation for reactors, acid/alkaline waste gas conveying, and exhaust gas treatment;
• Air supply for lithium battery cathode material sintering furnaces and solvent recovery systems;
• Stainless steel or anti-corrosion fan models are selected for corrosive gas applications.

5. Environmental Protection & Dust Collection

• Bag filter and cartridge filter systems, overcoming filter resistance;
• Central dust collection, waste gas treatment, and activated carbon adsorption systems for air supply and exhaust.

6. Grain, Feed & Powder Pneumatic Conveying

• Closed pipeline conveying of wheat, corn, feed pellets, flour, mineral powder, and fly ash;
• High-pressure air supply for grain drying systems;
• Closed conveying reduces dust emissions and material loss.

7. Mining Industry

• Dust extraction in crushing plants, underground local ventilation, and mineral powder conveying;
• Wear-resistant impellers are suitable for high-dust operating environments.

8. Ceramic, Glass & Refractory Materials Industry

• Combustion air supply for kilns;
• Supporting equipment for tempered glass production;
• High-pressure ventilation for ceramic firing furnaces.

9. Other Applications

1. Equipment Drying:
   Air knives for drying, cleaning workpieces, and PCB board drying;
2. Tunnel / Metro Systems:
   Long-distance smoke extraction and ventilation air supply;
3. Woodworking & Printing Industry:
   Dust collection, paper suction, and material conveying;
4. Pharmaceutical Industry:
   Fluidized bed drying and high-pressure process air supply, requiring clean and corrosion-resistant designs.

Simple Selection Guide

If the system has long pipelines, many elbows, filter bags, furnaces, or other high-resistance equipment, a high-pressure centrifugal fan is the preferred choice.

For ordinary workshop ventilation, a low-pressure centrifugal fan is usually sufficient. Choosing an oversized high-pressure fan for a low-resistance application will only increase energy consumption and operating costs.