ZOOMRY air chute conveyor (also known as an air slide conveyor) is a pneumatic gravity-flow system for horizontal transport of dry powdery materials such as cement, fly ash, and raw meal. Unlike mechanical belt conveyors or screw conveyors, the air chute has no moving parts in the material stream — reducing wear, power consumption, and maintenance requirements in cement plants and power stations.

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How Does an Air Chute Conveyor Work?

Material is fed into the high end of the upper shell, while compressed air from a dedicated blower enters the lower shell. The air passes through a breathable fabric layer densely covered with micropores, distributing among the material particles to create a fluidized state. This gasification process reduces the friction angle of the material, allowing it to flow down the inclined trough under gravity — achieving continuous, low-energy transport without any mechanical moving parts.

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Advantages vs Mechanical Conveyors

Compared with belt conveyors, screw conveyors, and buried scraper conveyors with the same function, the air chute offers:

• No transmission parts in the conveying material — less wear and easy maintenance.
• Lower power consumption — only a blower required for compressed air.
• No noise — silent operation compared to mechanical systems.
• Easy to change conveying direction — flexible layout with multi-point feeding and unloading.
• Less material loss — fully enclosed design prevents dust spillage.

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Technical Specifications

• Conveying Material: Dry powdery materials — cement, fly ash, raw meal, lime powder, talc.
• Conveying Volume: Affected by material properties and chute slope — variable capacity depending on application.
• Slope: 6% standard for straight chutes; 10% recommended for coarse materials. Larger slope increases throughput where layout permits.
• Air Consumption: 1.5 – 3 m³/min per square meter of breathable layer (typically 2 m³/min/m²).
• Air Pressure: 400 – 600 mm water column (typically 500 mm).

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