Detailed Introduction
The star shaped unloader is driven by an electric motor to rotate the impeller, filling the blade gap with the self weight of the material and unloading it with rotation, achieving continuous quantitative unloading and air pressure isolation function.
Core working principle
The core function of a star shaped unloader (also known as a rotary feeder or lock valve) is to achieve continuous material transportation and air pressure isolation through impeller rotation. The specific process is as follows:
Material filling: The material in the upper silo falls into the gap between the impeller blades under the action of gravity.
Rotating unloading: The electric motor drives the impeller to rotate through the reducer, carrying the material from the inlet to the outlet and unloading it by its own weight.
Air pressure isolation: The tight fit between the impeller and the shell can block the upper and lower air pressure, maintaining the pressure balance of the pneumatic conveying system.
Key structural components
Rotor impeller: a rotating component with multiple blades that directly participates in material conveying.
Sealing component: The blade end is lined with wear-resistant (based on actual reports) sealing strips to confirm airtightness.
Drive system: The combination of electric motor and reducer provides stable power.
Temperature resistant design: The bearing is separated from the housing or connected to the sprocket, and the high-temperature resistant (based on actual reports) type can handle materials up to 500 ° C.
Application scenarios
Mainly used in pneumatic conveying systems, suitable for continuous discharge of dust and particulate materials, commonly found in industries such as environmental protection, metallurgy, and chemical engineering.
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