PRODUCT

INTRODUCTION

With the continuous expansion of the demand for biomass fuel energy, coffee grounds have won wide recognition as a new type of granular fuel due to its high calorific value and its unique advantages.

The recycling of coffee grounds has received more and more attention. Many investors choose to cooperate with coffee manufacturers to process the coffee grounds left over from coffee production and convert them into biofuels, such as biomass pellet fuel for boilers, or new Charcoal for BBQ.

nut shells

nut shells

WORKING

PRINCIPLE

According to market demand, Dingli has launched a coffee grounds dryer for drying wet coffee grounds, including a sawdust dryer consisting of heating furnace, feed inlet, drum, filter drum, conveying pipe,  cooling drum, and discharge port. The crushed material with a moisture content of about 35-45% is sent to the drum by the conveyor to achieve downstream drying. The material is continuously picked up and scattered under the inner layer of the lifting board and advances in a spiral manner. After passing through the inner, middle, and outer layers, The heat exchange between the material and the hot air, the material that has achieved the drying effect is quickly moved out of the drum under the action of the wind. The wet material that has not achieved the drying effect cannot move quickly due to its own weight, and the material is fully dried within the control stroke, thereby achieving the drying effect. The moisture content of the material is reduced to 12-15%, the drying process is completed, and it is discharged by the screw conveyor. A vibration-cleaning device is installed inside the drum to prevent the material from sticking to the drum wall.

The main structure of the equipment

structure diagram.png structure diagram.png
Model Capacity(t/d) Water Evaporation(t/h) Initial Moisture(%) Final Moisture(%) Drying Temperature(℃) Total Power(kw) Floor Area(m²)
DLGT1210 20-45 0.565 35-60% 12-15% 270±30℃ 28-33 5m×15m
DLGT1412 25-65 0.792 34-40 5m×18m
DLGT1615 40-90 1.130 45-60 6m×22m
DLGT1918 50-125 1.61 51-75 7m×25m
DLGT2218 70-220 2.20 35-65% 320±30℃ 60-90 8m×30m
DLGT2523 90-320 3.25 95-125 10m×35m

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