Compost Turner

This case study examines the implementation of a compost turner.

The Challenge

The Compost Turner project began with a need to boost productivity and sustainability on my personal farm. We started using chicken manure from chicken farming sheds in the district, but soon encountered a major challenge: the raw manure was introducing diseases into our orchards and crops. Despite this setback, we remained committed to our sustainability goals and sought advice from agricultural experts, and those with a deep understanding of biological farming. Their guidance made it clear that composting the raw chicken manure mixed with sawdust was the key to reducing disease risk while maintaining our sustainable farming practices. We then embarked on a journey to find the right composting solution, but none of the machines available on the market met our needs. That’s when we decided to design our own compost turner one that would meet the specific requirements of our farm and our sustainability goals.

Compost turner during transport

The Solution

We began by putting pencil to paper, sketching out designs and identifying key elements that needed to be addressed. One of the biggest challenges was dealing with such a dry product chicken manure mixed with sawdust which required applying thousands of cubic meters of water to the windrows of material to facilitate the composting process. Additionally, we needed to process thousands of tonnes or cubic meters at a time, which presented another obstacle: the sheer scale of the operation would typically require an extremely large machine. To overcome this, we focused on designing an efficient, tractor-drawn machine that could handle the significant volume without the need to invest hundreds of thousands of dollars in a much larger unit. Our goal was to achieve high productivity while maintaining cost-efficiency, making the process scalable for our needs and adaptable for others facing similar challenges.

ACE Industries compost turner

Results of The Project

The outcome was a highly efficient machine that was easily transportable around the farm and could be towed by a smaller-framed tractor. This machine is capable of processing up to 150 tonnes per hour comfortably, and during the initial stages of composting, And preparing approximately 250m³tonnes per hour, adding water and microbes added to enhance the process. The innovative design and performance of the machine garnered the attention of renowned biological professors from around the world. Additionally, we successfully sold numerous units across Queensland, providing our clients not only with the machinery but also with expert assistance in setting up their compost sites, and ongoing support to help them optimise their composting processes and maximise the benefits of their new equipment

Results of the corporate training project

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