Coffee Bean Storage and Conveying

When a coffee roasting company approached Pneuvay Engineering to design a system to transfer coffee beans from their place of storage to the roaster, Pneuvay applied their engineering expertise to provide a system that met their current and future requirements.

The project involved conveying green coffee beans from bags into a storage hopper by a venturi blower arrangement. This arrangement provides a means of transferring the beans pneumatically via fixed pipework into either of eight individual compartments of a segmented silo. Each silo compartment will store 1.5m³ of green beans.

The weighing and blending of beans from the silo is by a load cells and weigh batch indicator system. This blending system can be operated in either auto or manual mode. The beans are then pneumatically conveyed through pipework and discharged into the coffee roaster for roasting.

The silos can be manufactured in mild or stainless steel and are designed to be assembled on site using only nuts and bolts. The silos are manufactured to include a distribution filling head to direct the beans into their respective segment. The silos are equipped with visual level indication or can be equipped with level sensors to provide alarm conditions indicating overfill or advise the operator of an empty segment.

The segmented silo can be used for many other products and applications other than coffee beans such as sugar, pasta etc.

Contact Pneuvay Engineering technical department for further information.