What is a fixed grain dryer?

Fixed grain dryer is an agricultural machinery equipment mainly used to reduce the moisture content in grains, extend storage time and prevent mold growth. The following is a detailed introduction to the fixed grain dryer:

1、 Definition and purpose

Fixed grain dryers are usually installed in fixed locations such as farms or grain processing plants. It utilizes the circulating heating effect of hot air or hot air to evaporate the moisture in grains, achieving the purpose of drying. This device is widely used in the grain processing industry and can effectively maintain the quality and nutritional content of grains. It is suitable for drying various grain crops such as wheat, rice, and corn.

2、 Working principle

The working principle of a fixed grain dryer is to heat the air to the desired temperature through a heater, and then use a ventilation fan to blow the hot air towards the grains. The heat in the hot air evaporates the moisture in the grains, thereby achieving a drying effect. In addition, some advanced fixed grain dryers are equipped with screening equipment that can filter out impurities in grains and ensure their cleanliness.

3、 Characteristics and advantages

Structural stability: As fixed grain dryers are usually installed in fixed locations, their structure is relatively stable and can withstand large loads and vibrations. Strong processing capability: Fixed grain dryers generally have a large volume, so their processing capability is also strong, making them suitable for large-scale grain drying operations. Good drying effect: Using a hot air circulation system for drying has the advantages of good drying effect and high efficiency. Energy saving and environmental protection: With the continuous advancement of technology, modern fixed grain dryers have also made significant improvements in energy saving and environmental protection. For example, adopting designs such as heat recovery systems and heat exchangers can improve energy efficiency and reduce environmental impact.

4、 Maintenance and upkeep

In order to ensure the normal operation and extend the service life of the fixed grain dryer, regular maintenance and upkeep are necessary. Specifically, it includes:

Regular cleaning: Clean the dust and debris inside and outside to keep the equipment clean. Check electrical equipment: Regularly check whether the connection lines of electrical equipment are intact, whether the voltage is stable, and ensure the safe operation of electrical equipment. Maintenance of transmission components: Regularly lubricate and adjust transmission components such as reducers and belts to maintain smooth transmission. Check the heat source equipment: Ensure that the working condition of the heat source equipment is normal and the temperature is stable.

5、 Development Trends

With the promotion of agricultural modernization and food security strategy, China's grain dryer industry has experienced rapid development. In the future, fixed grain dryers will develop towards multifunctionality, intelligence, and energy conservation and environmental protection. For example, using Internet of Things and artificial intelligence technology to achieve intelligent control can monitor and adjust the temperature, humidity, and wind speed during the drying process in real time; Adopting new energy-saving materials and technologies to reduce energy consumption; Realize various functions such as cleaning, screening, and storage.

In summary, the fixed grain dryer is one of the essential equipment in modern agriculture. By understanding its definition, working principle, characteristics and advantages, as well as maintenance and upkeep methods, one can better use and maintain this equipment, and contribute to the development of the grain processing industry.