Knowledge What is an Auger Reactor? 5 Key Points to Know
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Tech Team · Kintek Solution

Updated 1 month ago

What is an Auger Reactor? 5 Key Points to Know

An auger reactor is a specialized type of pyrolysis reactor.

It uses a screw mechanism to move a single feedstock or a blend with solid heat carriers through a tube.

This type of reactor is commonly used for slow or intermediate pyrolysis processes.

The auger reactor relies on mechanical force and pressure to transfer heat effectively.

Unlike fluidized and circulatory reactors, it does not depend on fluid dynamics.

5 Key Points to Know About Auger Reactors

What is an Auger Reactor? 5 Key Points to Know

1. Moderate Heat Supply

One advantage of the auger reactor is its ability to carry out pyrolysis with moderate heat supply.

This makes it particularly suitable for materials that are heterogeneous or difficult to handle.

However, it is not the best option for the production of bio-oils and volatiles.

The main product of pyrolysis in an auger reactor is biochar.

2. Fast Pyrolysis Conditions

The auger reactor can also be designed and operated for fast pyrolysis conditions.

In this case, a preheated heat carrier is added to the biomass feed inside the reactor in an appropriate ratio.

The mechanical mixing of biomass particles with the heat carrier by screws is not as intense as in fluidized beds.

But the solid bed density is much higher, allowing for comparably high heat transfer coefficients.

No fluidizing gas is needed, which simplifies the product recovery and gas cleaning process.

3. Heat Carrier Loop

For fast pyrolysis in auger reactors, a heat carrier loop is required.

The recirculation of the heat carrier can be achieved mechanically or by an entrained flow riser.

The heat carrier can be re-heated through heat exchange, hot fluidizing gas in the riser, and/or combustion of entrained char particles during recirculation.

The choice of heat carrier used in the process will greatly influence the combination of recirculation and re-heating methods.

4. Handling Heterogeneous Materials

Auger reactors are gaining attention in the pyrolysis industry due to their ability to handle heterogeneous materials.

They can carry out pyrolysis with moderate heat supply.

However, there are challenges associated with stirring parts in the hot zone and temperature transmission on a large scale.

5. Versatility and Efficiency

Looking for efficient and versatile pyrolysis reactors? Look no further than KINTEK!

Our high-quality auger reactors are perfect for handling heterogeneous materials and producing biochar.

With their mechanical force and pressure, they ensure effective heat transfer for a wide range of feedstocks.

Continue Exploring, Consult Our Experts

Don't miss out on this opportunity to enhance your pyrolysis processes.

Contact us today to learn more about our auger reactors and how they can benefit your operations!

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