Industrial Coffee Grinder: Definition and Characteristics
The industrial coffee grinder is a machine used for grinding large quantities of roasted coffee beans, producing a particle size suitable for the type of coffee. Proper grinding aims to increase the surface area of the coffee so that when water passes through, it has enough time to extract all the flavor and aroma.
One of the main characteristics sought in an industrial coffee grinder is the speed at which ground coffee can be produced, which is related to the type of mechanism the grinder uses. It is also important to ensure a complete and uniform grind of the coffee beans.
During grinding, one of the aspects that is carefully controlled is the temperature in the grinding chamber, to avoid overheating the coffee and to preserve its characteristic organoleptic properties.
Moreover, industrial grinders for roasted coffee must have adjustable settings to produce different grind sizes, ensuring the required particle sizes can be achieved.
Types of Industrial Coffee Grinders
The industrial coffee grinder can use various types of mechanisms to grind the coffee beans: burrs or discs, roller mills, and hammer mills.
Burr grinders are the most common in the hospitality industry and restaurants. They work by cutting, compressing, and grinding to prepare the coffee beans for extraction. The design of the burrs ensures uniformity in the ground coffee.
Industrial roller mills are used in the roasting industry for grinding large quantities of coffee. They work by using the weight of the rollers to press and crush the coffee beans, applying force during rotation. They include a water cooling system to maintain the temperature of the rollers and a hydraulic or manual adjustment to control the grind size.
Hammer mills use blades that strike the beans at high speed. These are typically used for domestic purposes.
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