• Indirect-Fired Rotary Kiln

Indirect-Fired Rotary Kiln


  • Output – 100-3800 kg/h
  • Power – 25-150 kw
  • Voltage – 220v/380v, customized
  • Material – Q245 R steel, 310S stainless steel
  • Warranty – 1 year
  • Application – wood, rice hull, straw, coconut shell,palm kernel shell, bamboo, sludge, e-waste, etc.

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Indirect-fired rotary kiln is commonly used in today’s charcoal making plants. It is beneficial for reducing your materials waste and making better charcoal from biomass. In addition, whether you want to prepare biochar from wood, bamboo, rice hull, straw, coconut shell, it can fully meet your needs. And as a professional biochar equipment manufacturer, we can provide you with quality indirect-fired rotary charcoal making machine at an economical price.

How does indirect-fired rotary kiln work to make charcoal?

As the name suggests, it heats the carbonization furnace from the outside, the raw materials are not in direct contact with the fire. It mainly relies on equipment wall to conduct heat to create a hot temperature (550℃-650℃) and low oxygen environment inside the body. So your materials will convert to charcoal quickly after feeding.

4 Advantages of in-direct fired charcoal furnace

Materials waste reduction

Because of indirect-fired method, there is less materials waste. The proportion of biomass to charcoal can reach 3:1. That is, you can produce 280-300 kg of biochar from 1 ton of material.

No smoke

Indirect-fired method of charcoal making is also beneficial for reducing smoke. Because it carbonizes biomass in a low oxygen environment, which can prevent burning. Moreover, we can equip a professional gas treatment system for you. Using it, combustible gas from carbonization will convert to harmless gas. And it can use as fuel for biochar production.

Short carbonization time

The indirect-fired rotary kiln can help you finish the manufacturing of biochar within 30 min. Because it has PLC control system and can discharge final charcoal without equipment pause.

Better biochar making

In addition, when charcoal making, the kiln is rotating all the time. Therefore, your raw material is heated evenly and forms better charcoal.

It is an ideal choice for you to make commercial charcoal products. Whether you want to produce BBQ charcoal, shisha charcoal or activated carbon. Besides, we also can offer you many other charcoal furnaces for your choice, such as continuous carbonization equipment, horizontal charcoal furnace and hoisting carbonization machine. Welcome to contact us for your own charcoal making plan.

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