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At Fox Coffee, our passion for exceptional coffee drives us to constantly refine our processes and uphold the highest standards.
Central to our success is the IMF roaster, a sophisticated machine that provides unparalleled control and consistency.
This blog post delves into the technical intricacies of our roasting process and highlights how our commitment to quality results in the sweet, smooth, and bitterness-free coffee our customers love.
Choosing the right roasting machine was a pivotal decision for us.
After extensive research and testing, we selected the IMF roaster for its advanced features and versatility.
Unlike traditional drum roasters that rely heavily on conduction heat transfer, the IMF roaster uses primarily convection heat.
This method ensures hot air circulates around the beans, allowing for even roasting and reducing the risk of scorching.
Green Bean Loading: The journey begins with our green bean loader, capable of weighing and transferring up to 60 kilos of coffee beans at a time.
The loader uses a suction mechanism to move the beans through a pipe into the pre-load hopper, where they are held until ready for roasting.
Roasting Drum: The beans are dropped into the roasting drum, where hot air from the IMF's unique vortex system roasts them.
This system dynamically blends hot and cold air to maintain precise temperatures, providing superior control over the roasting process.
The drum itself is perforated, allowing for optimal airflow and even heat distribution.
Control System: The IMF roaster is equipped with a Siemens PLC (Programmable Logic Controller).
This digital interface allows us to control various aspects of the roasting process, including the inlet temperature, drum speed, and air speed at different stages of the roast.
The PLC offers real-time data, enabling us to make minute adjustments that significantly impact the final product.
Afterburner: Our IMF roaster features an afterburner that operates at temperatures up to 650 degrees Celsius.
This component cleans the exhaust air, making the roasting process more environmentally friendly by reducing emissions.
Additionally, it prevents any smoky flavours from contaminating the coffee, ensuring a clean and sweet taste.
The IMF roaster's advanced technology offers several advantages over traditional roasters:
Convection vs. Conduction: Traditional drum roasters primarily use conduction, where heat is transferred through direct contact with the hot drum surface.
This can lead to uneven roasting and a higher risk of scorching.
In contrast, the IMF roaster's convection method circulates hot air around the beans, ensuring even roasting and minimizing the risk of burnt flavours.
Inlet Temperature Profiling: The ability to control the inlet temperature is a significant advantage.
By adjusting the temperature of the air entering the roasting drum, we can fine-tune the roast profile to achieve the desired flavour characteristics.
This control is particularly beneficial during the crucial first crack and development phases of roasting.
Air Recirculation: The IMF roaster's air recirculation system enhances fuel efficiency by using a single burner to heat the roasting air and clean the exhaust.
This not only reduces our environmental footprint but also ensures consistent roasting conditions by maintaining a stable airflow.
At Fox Coffee, quality control is paramount. We conduct daily cupping sessions to evaluate our coffee and ensure that every batch meets our high standards.
This rigorous process allows us to maintain the exceptional sweetness, smoothness, and zero bitterness that define our coffee.
Ethan, our roast technician, is a key part of our success.
He completed his Q Grading certification while experimenting on the IMF roaster, honing his palate and skills.
Ethan's dedication and expertise ensure that every batch of coffee we produce is of the highest quality.
Consistency: The IMF roaster allows us to replicate our roasting profiles consistently.
This means that whether you're enjoying a cup of Fox Coffee today or next month, you can expect the same great taste every time.
Control: With the ability to fine-tune every aspect of the roasting process, we can bring out the best in each batch of beans.
This results in coffee that is exceptionally sweet, smooth, and free from bitterness.
Efficiency: The IMF's air recirculation system makes it more fuel-efficient than traditional roasters.
This not only reduces our environmental footprint but also ensures that we can roast coffee quickly and efficiently.
Clean Flavour: The combination of convection heat and the afterburner system ensures that our coffee is free from smoky or burnt flavours, delivering the exact taste we're after.
Daily cupping sessions are an integral part of our quality control process.
Each day, Ethan and our team taste and evaluate the coffee, assessing its sweetness, smoothness, and overall quality.
This practice ensures that every batch of Fox Coffee maintains our high standards and meets the expectations of our discerning customers.
Roasting coffee is both an art and a science.
It requires a deep understanding of the beans, the roasting equipment, and the desired flavour profile.
At Fox Coffee, we combine technical expertise with a passion for perfection to create coffee that stands out for its exceptional quality.
At Fox Coffee, our commitment to quality and dedication to our craft set us apart.
Our IMF roaster plays a crucial role in helping us deliver the exceptional sweetness, smoothness, and zero bitterness that our customers love.
By understanding the hard and technical process behind each cup, we hope you'll appreciate the expertise and care that goes into every batch of Fox Coffee.
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