Coffee Grounds Drying Machine

Coffee grounds are the residue created when coffee is prepared. After drying, the coffee grounds can be used to make pellet fuel, or used as compost to fertilize crops. Due to the high moisture content of the coffee grounds, in order to facilitate reprocessing and storage, it needs to be dried first. Coffee grounds can be dried using a coffee grounds dryer. The coffee grounds dryer adopts a drum-type structural design, which has a strong bearing capacity and can quickly dry a large amount of wet coffee grounds with even heating.

-Capacity:30-300 t/d
-Dried Moisture:12-15%(adjustable)

-Raw material type:
offee grounds, bagasse, pomace, sawdust, spent grain, etc.

-Applicable:
Widely used for drying coffee grounds, bagasse, pomace, sawdust, spent grain, etc.

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Introduction & Principle

Coffee grounds dryer adopts the downstream heating method. The coffee grounds enter the barrel from the feeding device and are pushed backward by the spiral flight board. Due to the inclined placement of the dryer, on the one hand, the material flows to the rear end under the action of gravity and rotation; on the other hand, the material is repeatedly picked up by the lifting board, brought to the upper end and then continuously sprinkled down, so that the material forms a uniform curtain in the cylinder, to fully exchange heat with the hot air in the cylinder. With the material repeatedly scattered, the moisture contained in it is gradually dried, so as to achieve the purpose of drying.

Configuration

Biomass rotary dryer consists of a heating device, feeding device, transport device, rotary drum dryer, discharge device, dust extraction device, and other connecting parts.

Wet materials are continuously sent into the drum through a screw conveyor and then get separated and pushed by the high-speed hot flow. The moisture in wet materials is taken away in this process and then we get powder or pellet dry materials.

Parameters

Model	Capacity（t/d）	Initial Moisture(%)	Final Moisture(%)	Drying Temperature(℃)	Total Power(kw)	Cover Area (m²)
DLSG2010/3	62.5	60±5	12-15% (Adjustable)	250±30℃	78	8m×18m
DLSG2210/3	70.5				85	8m×18m
DLSG2510/3	83.5				110	10m×18m
DLSG2512/3	108.0				125	10m×22m
DLSG2912/3	120.0				135	10m×25m

Raw materials and Applications

Coffee grounds dryer is suitable for a variety of different types of raw materials, crushing all kinds of biomass raw materials and pressing them into rod-like biomass pellets or briquettes, which can be used as a new energy for power plant power generation, heating, barbecue, boiler fuel, etc. or process forage such as alfalfa, grass, straw to make animal feeds, and also can be carbonized to make biochar for soil.