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Ground Coffee Handling and Conveying
Handling solutions to preserve the ground coffee aroma avoiding demixing
Handling solutions to preserve the ground coffee aroma avoiding demixing
ExtraMAX and the gentle handling
A crucial point in ground coffee processing is linked to extraction from the silos. Ground coffee must be properly homogenised and dosed, avoiding agglomeration in the bottom of the silo. We have engineered ExtraMAX, mechanical extractor to avoid demixing and agglomeration of the product with a flat extraction system, suitable for filter, Espresso and Moka coffee. Compared to other vibrating systems, the ExtraMAX system can effectively homogenise the product with accurate control of the dosage, which is impossible with vibrating devices.
Following the same principle of maintaining the product homogenised and perfecly mixed especially once ground, preserving the coffee aroma and preventing the oxidation at the same time, Petroncini provides the very best trasport solutions.
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Production Plant
IMA Coffee Petroncini
Ground Coffee Handling and Conveying Highlights
1.
Tubolar disc conveyor ideal to avoid demixing and oxidation of the product in capsules.
2.
Petroncini TPA Pneumatic Transport
System for ground coffee, suitable for the long distances and high production rate.
3.
Air tight ground coffee systems under controlled atmosphere from grinders to packaging machines.
4.
Ground coffee storages are tailor-made based on production requirement and space availability.
5.
Special equipment for the continuous homogenization of coffee and spices.
6.
Petroncini Handling Vacuum system to avoid any contamination.
DuoMIX: Special equipment for the continuous homogenization of coffee and spices
Special equipment for the continuous homogenization of coffee and spices
Mixing coffee and spices in a Turkish coffee processing plant is a crucial operation, which can be done with the right dosage of the spices. Petroncini provides a continuous powder homogenizer that is suitable for mixing coffee and one selected spice, which can be changed according to the production.
This system is called DuoMIX and it has been engineered by our team to guarantee process reliability and high productivity, from the mixing right up to very specific follow-up handling. The system works continuously and guarantees the consistency and repeatability of the mixing results by setting the percentage range of the desired spice.
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Petroncini provides blades and rolls grinders for small and large productions, ensuring reproducible production standards, in terms of consistency of particle size and flexibility, according to the requirements.
Industrial coffee grinders are able to obtain the perfect coffee particle size, suitable to any brewing style, including Soluble, Espresso and Ultrafine coffee types, with capacities ranging from 90 up to 9,000 kg/hour.
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[highlight] => Rolls grinders are available with two or three stages of grind, controlling gaps and speeds.
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[highlight] => Water-cooled rolls and coffee temperature systems.
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[highlight] => Homogeniser and chaff crusher/densifier ensure consistent density during the production.
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[highlight] => Grinding blades made in chrome-magnesium hard steel, available in different sizes and even for Turkish coffee style.
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[highlight] => Forced air cooling system installed on the blades grinders ensure preserving the coffee quality and organoleptic properties.
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homogeniser and chaff densifier
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[versions_title] => Consistent density during and after grinding
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[versions_overview] => Petroncini has developed the T-Crusher, a ground coffee crusher capable of minimising the visibility of chaff in the coffee, thus uniforming the appearance of the ground coffee.
This works by pressing the coffee in a certain area, where there are blades that work at high speed. In addition, for the most demanding customers, we provide a special vibrating sieve, able to completely remove any presence of chaff in the coffee, even the finest.
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Grinders
Coffee grinding is a crucial step in coffee processing and, when done properly, it can dramatically improve coffee extraction and aroma retention, thereby optimizing the brewed coffee quality.
Blades and stone grinders
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[overview] => Particular attention must be paid to the degassing process. Degassing is a natural chemical reaction that happens inside the beans once roasted and ground. Preventing package inflation and avoiding oxidation are the main factors that have led to the spread of degassing technologies over recent years, especially in the single-serve market. Depending on the room temperature, on roasting parameters, granulometry and the pressure of the coffee inside the storage silos, degassing time can range from 4 to 48 hours.
Production requirements mean degassing time must be reduced to as little as possible, without any aroma loss. The technologies used to accelerate degassing times make it possible to reduce the time, while still preserving the quality of the product.
IMA Coffee Petroncini has developed different degassing systems available in various configurations for the desired degassing process. The degassing can be done either in natural conditions with aroma protection by nitrogen, or with an acceleration of the process by using the vacuum technology combined with nitrogen injection. The very next-generation degassing solution is meant to accelerate the degassing process in a vacuum closed circuit with nitrogen injection and product recirculation: that’s Petroncini CO-Tube degassing system.
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CO-Tube Degassing System can reduce nitrogen consumption by recycling the gas needed for the degassing process.
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[highlight] => Maximum aroma and shelf-life preservation thanks to the zero oxygen presence inside the circuit
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[highlight] => Degassing time reduction operated by the vacuum system
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[highlight] => No more packaging stressed
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[highlight] => Superior consistency of the product through the ExtraMax extraction technology
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[versions_title] => Zero Oxigen inside the circuit
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[versions_tag_line] => Zero Oxygen inside the circuit
[versions_overview] => COTube is a system capable of accelerating the degassing time with a nitrogen injection, in a deep vacuum environment at -800 mbar, thus controlling the process temperature. The mechanical recirculation of the product used in the new COTube degassing system is an innovation on the market compared to other systems existing. It enables the ground coffee to homogeneously make contact with the nitrogen, keeping the product homogeneous in the silo. Furthermore, the most innovative COTube feature is linked to the closed-circuit adopted, the unique system available on the market today able to partial recover the nitrogen needed during the process. Furthermore, this specific process engineering combines the possibility to control the temperature of the inert gas so as to maintain the temperature stable inside the system, despite the environment temperature. As a result of the nitrogen’ temperature modulation, it’s possible to customize the degassing times, recipe by recipe.
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Degassing Systems
CO-Tube is the next-generation degassing system capable of accelerating the degassing time with a nitrogen injection, in a deep vacuum environment, thus controlling the process temperature.
Degassing Process
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[overview] => The first step after roasting and destoning is weighing. The coffee needs to be weighed to check what shrinkage occurred during the roasting phase, normally done with a batch weighing system. After that, the coffee must be sent to the storaging silos and there are different solutions for handling this phase.
In the whole coffee processing, the roasted coffee handling and conveying systems represent very important steps to ensure the preservation of the product and its quality.
Roasted coffee can be handled pneumatically or mechanically, which is better depending on the plant capacity/h and the distance from the connected equipment, such as receiving cyclones and rotary distributors above the storaging silos.
The attention to the product preservation is maximum.
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[highlight] => Bucket elevator for gentle conveying without any breakages for small distances.
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[highlight] => Tubular drag conveyor or chain conveyor in the longer distances for the maximum aroma protection.
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[highlight] => Pneumatic conveying by compression or aspiration for the highest flexibility and multiple discharge.
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[highlight] => Special pneumatic handling systems, self-regulating according to the specific weight of the roasted coffee.
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[highlight] => Receiving cyclones and rotary distributors above the storaging silos are engineered with special materials to avoid any breakages.
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[content] => Pneumatic Transport in Aspiration to reach the long distance taking care of the coffee.
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[versions_title] => TPA system®
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[versions_overview] => Pertoncini TPA system® is a pneumatic trasport in aspiration especially developed for handle the roasted coffee. It has a great flexibility of application, such as elbows, inclined pipes, the option of fixing it to the ground or to the ceiling, multiple discharges and 2-way valves. That means different routes can be installed inside the production area, bypassing any constraints even where there is an existing production complex. Petroncini has developed the TPA system® which guarantees pneumatic product handling for up to 60 m of suction pipes. This system definitely requires less maintenance than mechanical conveyors, avoiding almost all breakage or at least reducing it to a negligible percentage while preserving the aroma.
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