For a long time, the state has to use a lot of financial resources to dry high-moisture food. Grain drying has become a bottleneck that restricts post-production processing and value-added in China. The development and promotion of grain drying equipment is a general trend, and it will surely have much promise and broad prospects.
The development of grain drying equipment is sufficient to meet the needs of rural system reform in China and the need for rural economic development. Today, the vast majority of farmers in our country are no longer simply relying on farming. A considerable number of rural laborers have completely left the countryside to engage in various types of non-agricultural work. . Agricultural laborers who are farming at home, or large farming families, are desperate to reduce their labor intensity through the extensive use of various agricultural machinery. The dry food is completely similar to the post-harvest operation of grain, and the question faced by transplanters is similar to transplanting. The majority of farmers urgently need to be freed from the large amount of manual labor brought about by the drying operation of food, and use limited investments, including equipment investment and fuel consumption investment, in exchange for production and maintenance. At least ten years. China's grain machinery drying and precipitation has a history of nearly 50 years. It can be said that China has basically grasped the grain drying equipment. Small grain dryers have a great market.
The development of foodstuffs and equipment is a requirement for adapting to the changing climate conditions in China. The precipitation of rural food in China is mainly based on natural drying. This operation method is largely constrained by weather conditions. According to the analysis provided by the meteorological department, China The main food producing areas are in the prone period of rainy weather in the harvest season. According to statistics from authoritative departments, the amount of loss of timely drying of food in rural China is quite alarming. The total annual production volume is 10, and the serious year is 15. In recent years, due to the global El Niño phenomenon, local or regional The phenomenon of abnormal climate in large areas has occurred from time to time, with frequent floods and floods. This phenomenon of natural disasters occurred during the harvest season, it may cause a large area of ​​grain production, some areas even missing.
Our province is located in the transitional zone between North and South, with a humid and rainy climate, ripe grains, a small harvest for development and a food factory, and a high-quality measure of grain quality and poor value of grain production. Mechanical Drying Compared with natural drying, the former It is more conducive to maintaining food quality. The practice of large-scale grain storage has proved that the speed of food grain aging mainly depends on the grain moisture content and grain temperature during the storage period.
On the other hand, the higher the moisture content, the higher the grain temperature, and the shorter the food can be safely stored. On the other hand, too low a grain moisture content will also affect certain food quality. Take rice as an example. When the moisture content is too low, the waist burst rate increases significantly, broken rice is more, and the taste is poor. The drying and drying of grain is affected by various factors such as the initial moisture content of the grain, the operating conditions of the site conditions, etc., and it is difficult to obtain a more accurate moisture value, which makes it vulnerable to stealing and eating. Impurities, dust, and other environmental pollution also require more space. Mechanical drying can better control the moisture of the grain, and can also avoid the above-mentioned defects.
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