Professional coffee roasters know that Between Batch Protocol is key to keeping resulting product quality. Ideally, we should start each roast with the word-for-word same initial condition of the coffee roasting machine, to unzip an identical roast profile when roasting multiple batches. In this blog, we will learn all well-nigh the Between Batch Protocol, why is it important, and how coffee roasters use Between Batch Protocol to maintain consistency.
What is Between Batch Protocol?
Between Batch Protocol (BBP) is the process of resetting the roaster machine’s thermal energy from the end of the last batch to the start of the next batch. The aim is to victorious at the word-for-word same initial conditions at the start of every new batch. With an efficient BBP, a coffee roaster can roast multiple subsequent batches and replicate roast curves in near perfection.
Why is Between Batch Protocol So Important?
When roasting coffee, we wield a lot of heat to the roaster machine. The majority of this heat is undivided by the coffee beans, but some of it is moreover undivided by the roaster drum. If we goof to tomfool lanugo between roasts, this ways the pulsate roaster will be hotter and hotter on each batch, making the beans roast faster and faster. This will result in inconsistent quality and unsimilar characteristics of the roasted coffee beans.
Another problem might occur when we plan to roast in variegated batch sizes, as variegated batch sizes require a variegated value of energy input. This ways that a larger batch size will leave the pulsate roaster at a higher temperature at the end of the roast, compared to smaller batch size.
As a coffee roaster, our ultimate goal is to create consistency with our tideway and end product. This is why we need to create a Between Batch Protocol that allows the roaster machine to return to the same initial thermal conditions regardless of the number of batches or the variegated batch sizes we roast on that day. Without a resulting BBP, we are unlikely to repeat the desired roast profile and will end up with inconsistent roasts throughout the day.
The Most Important Factor: Temperature
For the longest time, the standard cooling trundling was focused on time. Without the roasted beans are dropped, the gas is turned off, then the roaster waits for a set value of time (for example, one minute), then the coffee roaster is started again. However, if our goal is to reach the initial thermal conditions, we should focus on temperature considering then the time will self-correct depending on the conditions at the end of the last roast. For example, without a large batch size, it will take longer to reach the initial temperature compared to a smaller batch size. The same goes for roasting on a hot day compared to a unprepossessed day.
Step-by-step Between Batch Protocol
So what does an efficient Between Batch Protocol squint like? A step-by-step example is outlined below.
- At the end of the roast, Waif the roasted beans into the cooling tray, then tropical the door immediately.
- turn off the gas to reduce the thermal energy of the roaster machine.
- Let the roaster tomfool lanugo to a predetermined temperature, usually well-nigh 20⁰C unelevated the tuition temperature. This is the marrow temperature, and it should take 3-4 minutes to reach this point in order to maintain resulting thermal energy inside the roasting machine.
- Once the marrow temperature is reached, turn on the gas to the low or medium setting.
- Drop the untried coffee beans once the tuition temperature is reached
Different roaster machines have variegated characteristics, variegated coffee beans require variegated approaches, and plane variegated climates beg for unrepealable adjustments. It is up to the coffee roasters to learn and experiment in order to come up with simple yet constructive ways to unzip the same roast profile then and again.
Berto Type D Roaster is uniform with either Cropster or Artisan software, both offer solid Between Batch Protocol features. If you are interested in a roaster machine that can help you modernize the consistency of your roasts, waif us a line here and we’ll be in touch!
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