Ring blowers are primarily used in pneumatic conveying systems for material transport. They utilize the flow of high-pressure gas within enclosed pipelines to propel granular, powdery, or flake-like materials from one location to another.
Core Conveying Methods
Depending on system pressure and material density, ring blowers are primarily used in two material conveying modes:
· Lean Phase Conveying: Material is conveyed in a suspended state within the pipeline. A ring blower generates high flow velocities to “blow” or “suck” the material to its destination. This method is suitable for applications involving moderate throughput and shorter distances.
· Dense Phase Conveying: Material moves through the pipeline in the form of dunes or plugs (accumulated masses). A ring blower (typically a Roots blower or compressor) provides extremely high pressure to drive the material forward. This method is suitable for long-distance transport, high-volume throughput, and the handling of highly abrasive materials.
Key Application Industries and Materials
Ring blowers are used to convey a wide range of materials across various industrial sectors:
· Food and Pharmaceutical Industries: Conveying flour, granulated sugar, milk powder, coffee beans, grains, tablets, and active pharmaceutical ingredient (API) powders. These industries typically require the conveying gas to be clean and oil-free.
· Plastics and Chemical Industries: Conveying plastic pellets (PE, PP, PVC), resin powders, carbon black, catalysts, and fertilizers.
· Construction Materials and Metallurgy Industries: Conveying cement, fly ash, mineral powder, quartz sand, and limestone. These materials are highly abrasive, making dense-phase conveying a common choice.
· Environmental Protection and Energy Industries: Pulverized coal injection for boilers, biomass pellet conveying, and the transport of dried sewage sludge in wastewater treatment.
Two operating modes within the system
Depending on the installation position of the fan within the system, the conveying method can be classified as either positive-pressure or negative-pressure:
Key Advantages of Ring Blowers in Material Conveying
· Flexible Equipment Layout: Conveying pipelines can be routed around existing equipment—horizontally, vertically, or at an incline—greatly optimizing the use of factory floor space.
· Contamination-Free and Leak-Proof: Materials are transported within enclosed pipelines, preventing moisture, contamination, or impurity ingress; this also eliminates airborne dust, thereby improving the working environment.
· High Level of Automation: Easily integrates with PLC-based centralized control systems and interfaces seamlessly with upstream and downstream processes such as weighing, batching, and packaging.
· High Efficiency and Low Maintenance: Compared to traditional belt conveyors or bucket elevators, pneumatic conveying systems feature minimal mechanical drive components and reduced wear, resulting in significantly lower maintenance requirements.
Why choose GOORUI blowers？
20+ years of experience in ring blower industry；
High efficiency motor；
IP55 & Insulation class H；
Built-in Thermal Protector(PTC)；
High Temperature-Resistance bearing；
Special customized blower and OEM available；
24 months warranty and long-term technical support；
CE, SGS, TUV, RoHS, UL, CCC, ISO9001 certification approved;
Factory direct sales; ample stock, available immediately;
Goorui blowers are used wherever air or gas (vacuum or pressure) needs to be moved;
High-pressure blowers can be installed horizontally or vertically;
Available in 50Hz and 60Hz models;
High-quality products and competitive prices;
100% tested before each model leaves the factory;
74 Patented multi-purpose ring blowers;
Wide-pressure dual-frequency, globally applicable;
Explosion-proof and corrosion-resistant blowers are available.
