Drying is one of the most important aspects of post-harvest handling of food. Drying the grain moisture below safe moisture is the primary condition for ensuring the safety of grain storage. At the same time, whether or not the drying operation is appropriate has a direct impact on the food grade, processing quality, and food quality, which in turn affects the economic benefits of people and food circulation enterprises and people's quality of life.
Since the 1990s, China has used the World Bank loan and national debt funds to accelerate the construction of grain drying facilities. According to the latest statistics, the state-owned grain warehouse has a total of 4,647 sets of drying facilities, and the total drying capacity has reached 39,000 tons/hour, which can dry 44.92 million tons of grain each year. Among them, large-scale equipment is mainly concentrated in one of the three provinces in the northeast and forms a drying capacity of nearly 30 million tons/year, basically solving the problem of insufficient drying capacity of high-moisture grains in the region.
However, from a nationwide perspective, there are still many prominent contradictions in grain drying in China: the grain drying capacity is still generally insufficient; the grain quality is poor after drying, especially in corn; the energy consumption is high due to high energy consumption in drying; the lack of suitable rapeseed and soybean drying Technology and equipment. The above-mentioned contradictory solutions have brought many opportunities and challenges for China's grain drying equipment industry.
In the long run, the proportion of dried grain machinery in developed countries is high, while that in China is still less than 10%. The development potential is huge. If the mechanical drying ratio reaches 30%, at least 8000-10,000 sets of drying equipment are needed. In recent years, there has been a change in the relationship between grain purchase and sale systems and supply and demand. In addition to the promotion of mechanized harvesting operations, the number of high-moisture grain has increased, and some traditional non-high-moisture food production areas have also become high-moisture grain production areas. The grain moisture harvest in high-moisture grain-producing areas has also increased, further expanding the demand for drying equipment. For example, southern rice production areas are still undergoing mechanical drying pilots, and the vast majority of grain warehouses also lack adequate drying equipment. Once a suitable drying mode has been found, the demand for such drying equipment will rapidly increase.
Due to the rapid development of the oil processing industry, the supply of oil is in short supply. Oil crops need to develop mechanical dry precipitation. In the future, China will have more than 10 million tons of rapeseed, 151-1700 tons of self-produced soybeans, and 20 million tons of imported soybeans each year requiring mechanical drying.
In addition, the grain dryers that began construction in the northeastern region with the World Bank loan started in 1995 have entered a period of upgrading; they began to use them in 1998.
Since the 1990s, China has used the World Bank loan and national debt funds to accelerate the construction of grain drying facilities. According to the latest statistics, the state-owned grain warehouse has a total of 4,647 sets of drying facilities, and the total drying capacity has reached 39,000 tons/hour, which can dry 44.92 million tons of grain each year. Among them, large-scale equipment is mainly concentrated in one of the three provinces in the northeast and forms a drying capacity of nearly 30 million tons/year, basically solving the problem of insufficient drying capacity of high-moisture grains in the region.
However, from a nationwide perspective, there are still many prominent contradictions in grain drying in China: the grain drying capacity is still generally insufficient; the grain quality is poor after drying, especially in corn; the energy consumption is high due to high energy consumption in drying; the lack of suitable rapeseed and soybean drying Technology and equipment. The above-mentioned contradictory solutions have brought many opportunities and challenges for China's grain drying equipment industry.
In the long run, the proportion of dried grain machinery in developed countries is high, while that in China is still less than 10%. The development potential is huge. If the mechanical drying ratio reaches 30%, at least 8000-10,000 sets of drying equipment are needed. In recent years, there has been a change in the relationship between grain purchase and sale systems and supply and demand. In addition to the promotion of mechanized harvesting operations, the number of high-moisture grain has increased, and some traditional non-high-moisture food production areas have also become high-moisture grain production areas. The grain moisture harvest in high-moisture grain-producing areas has also increased, further expanding the demand for drying equipment. For example, southern rice production areas are still undergoing mechanical drying pilots, and the vast majority of grain warehouses also lack adequate drying equipment. Once a suitable drying mode has been found, the demand for such drying equipment will rapidly increase.
Due to the rapid development of the oil processing industry, the supply of oil is in short supply. Oil crops need to develop mechanical dry precipitation. In the future, China will have more than 10 million tons of rapeseed, 151-1700 tons of self-produced soybeans, and 20 million tons of imported soybeans each year requiring mechanical drying.
In addition, the grain dryers that began construction in the northeastern region with the World Bank loan started in 1995 have entered a period of upgrading; they began to use them in 1998.
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