The context: from an outdated process to new efficiency
Our client was facing a significant challenge: overcoming the limitations of an old drying system that compromised the quality of the harvest and had rather high fuel consumption.
The solution? Installing the Mecmar D24/175 T2 mobile dryer, designed to ensure efficiency and precision in grain processing — with a particular focus on rice.
This model, equipped with an auger and powered by a tractor, proved to be perfect for the farming company: it combines flexibility, high performance, and reliability even under the most challenging working conditions.
Why rice drying requires special care
Rice drying is a delicate process that demands precision and control to ensure the highest quality of the final product. Rice, being particularly sensitive to residual moisture, requires meticulous care during treatment to prevent the formation of mold and the loss of germination capacity.
The Mecmar D24/175 T2 dryer is equipped with an advanced air control system that precisely regulates temperature and humidity through an intuitive interface, which can also be accessed remotely via smartphone.
The ability to quickly adjust settings based on weather conditions or the quality of the incoming rice ensures that drying always takes place under optimal conditions.
The drying temperature is set directly on the dryer’s control panel according to the type of rice being dried and the shape of the grain. For Carnaroli or other round-grain rice varieties, a drying temperature of around 45°C is usually used.
These types of rice are much more delicate compared to long-grain varieties like Indica, where the drying temperature can reach up to 60°C.
This aspect is crucial to maintaining the integrity of the rice, which is often compromised by overly harsh treatments that make the grains too fragile, increasing the risk of cracking and breakage. This results in more defects and negatively affects the selling price.
We explored the proper rice drying process in more detail in this article.
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Another distinctive feature of the D24/175 T2 is its auger system, which gently moves the rice and gradually exposes it to the flow of hot air—ensuring proper tempering while minimizing the risk of mechanical damage to the grains.
The auger is manufactured with a variable pitch to minimize stress on the dryer’s mechanical transmission, allowing it to operate under the most demanding conditions. Moreover, the gap between the auger and the tube is specifically designed to reduce broken grains during processing and to maximize yield.
The tractor-powered system also allows the dryer to be easily moved and positioned anywhere on the farm (even close to the field), reducing the time between harvest and the start of the drying process, without the need for fixed installations such as elevators, pits, etc.
The tractor-powered dryer is equipped with an electric generator that powers all electrical components, including the control panel, burner, sensors, and more.
The combination of energy efficiency, precise process control, and easy mobility makes the D24/175 T2 an essential ally for farmers who want to ensure the highest quality of their dried rice while improving the profitability of their farming operations.
Concrete results for the farming company
The client highlighted several key benefits:
- The introduction of the D24/175 T2 led to a significant reduction in drying times. The dryer reaches a productivity of ~4 tons/hour when drying from 18% to 14% moisture.
- Improved control over the drying process allowed the company to deliver a higher-quality final product and achieve a higher yield, which positively impacted the selling price.
- Using the dryer also enabled the company to be more responsive to market conditions and resilient to weather fluctuations. By being able to dry rice quickly and efficiently, the company can choose the optimal time to sell the product, maximizing economic returns and better adapting to market changes.
Conclusion
The Mecmar D24/175 T2 is a practical, high-performance solution for those seeking a rice dryer that combines quality, precision, and mobility. It is the ideal tool for farming businesses aiming to improve crop yield and maximize profitability.
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