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Charcoal carbonization furnace



charcoal carbonization furnace is to carbonize the biomass briquette into wood charcoal.

charcoal carbonization furnace for biomass charcoal can greatly increased carbonizing ratio (increased from about 88% to 99%) and shortened the carbonizing time (from 24 hours to 6 hours), and shows the features of easy operation, higher safety, high efficiency, and energy saving. This furnace is ideal equipment for wood briquettes to have anoxic distillation carbonization.

Introduction of the main parts of charcoal carbonization furnace :

(1) Outer stove

includes heating room (for heating the inner stove), furnace body and heat-keeping layer (it is made of the heat insulating material)

(2) Inner stove

Consist of the stove tank body and the sealed top cap. Both of them are made of the heat resistance thermal steel, three inner stove can be stacked together for saving space and shipping cost.


(3) Smoking recycle tube

During the process of carbonizing, there will be some smoke.( can be burning) the smoke can be collected and returned to the furnace.


(4) Purification tank

This system is consisting of purification tank and the exhaust-heated cycle pipe.


(5) Hoisting equipment

it include the steel hoisting frame and the E-hoist .And it is easy for loading and unloading the stove.

Working process of charcoal carbonization furnace :

Main Features

How to produce charcoal? It divides into three processes:


1. Heat


After sealing work, use wooden wastes or gas to heat furnace. Primarily, 10 minutes big fire to burn, when the temperature reaches 90 degrees centigrade, turn to use slow fire to heat. It takes 80-120minutes for this process to reduce water vapor from your materials.


2. Pyrolyse

Keep heating, when the temperature reaches 180-235 degrees centigrade for 3-5hours, it will produce gas from this process. Reuse this gas as fuel to heat. The whole process is about 8hours. When the temperature reach highest and it reduces, the dry distillation process will finished.


3. Cooling


Hang the Inner pot outside, and seal the pipes of cover. Let it cool naturally. Cooling time is longer, the quality of charcoal is good. When the temperature lowers than 50 degree, you can take charcoal out. Otherwise, the charcoal will burn again when met oxygen of air.