Grain conveyors move grain from one location to another using helical, belt, or pneumatic systems. They are used in various circumstances, including loading trailers in the field and unloading hoppers and bins. Grain augers are commonly used in combines to load trailers, while pneumatic systems use air pressure to move grain. Belt conveyors are often used to unload silos and hoppers and can be modular to fit different storage areas.
A grain conveyor is a type of material handling device designed primarily to move grain from one location to another. There are several types of grain conveyors, including helical, belt and pneumatic. Helical grain conveyors consist of a screw blade inside a tube that carries the grains upward as it rotates. These are sometimes referred to as grain augers. Pneumatic grain conveyors use air pressure to blow or suck grain into place, and belt conveyors are usually enclosed and can use cleats to move grain on grades. Grain carriers can also be used in many different circumstances, from loading trailers in the field to unloading hoppers and bins afterwards.
Farms that grow various grains typically work with very large volumes, so a method is often needed to move these products quickly from one storage area to another. The first place grain encounters a carrier is usually in the field, as combines often use these devices to load trailers. Most combines use a type of grain conveyor sometimes referred to as an auger, due to a helical screw component. This type of grain conveyor usually consists of an enclosed tube that contains a helical auger. The auger component travels the entire length of the pipe, and as it rotates the grains are hauled up and then unloaded into a trailer.
Grain augers can also be used to load silos and bins, although a pneumatic system is sometimes used. A pneumatic grain conveyor uses air pressure instead of a mechanical screw, although it also typically consists of enclosed tubes. Positive pressure can be used to blow the grain into place, or a vacuum can draw it into the system and then deposit it into a silo or bin. Gravity feeds are often used to unload grain silos, although a third type of conveyor is sometimes used.
Grain conveyors are often used to unload silos and hoppers, although they are sometimes found in other applications as well. These conveyors typically consist of a belt enclosed in a square or rectangular tube so that the grain cannot escape during transport. Bollards or other components are also sometimes used to operate this type of slope conveyor, which can be useful when loading trailers for transport. This type of grain conveyor is often modular, so one unit can fit into a number of different silos, bins and hoppers as needed.
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