At present, the drying tower of the corn drying tower is operated in succession. The tower is installed outdoors. The dry tower is composed of storage layer, dry layer, tempering layer, cooling section, grain unloading organization, emergency grain unloading organization, tower, hot air suction organization, moisture removal organization, hot air fan organization, cooling fan organization, required motor and others Components. Commonly used in large-scale grain storage projects. Suitable for dryness of rice, sorghum, soybean, corn, wheat and other cereals.
After passing through the high heat and medium heat stages, the temperature of the particles increases, so low heat air is used in the dry stage at the bottom. Low-calorie air can easily remove the moisture inside the grain, but it is necessary to prevent the grain temperature from being too high.
The dry grain enters the cooling stage. After sufficient cooling, the grain with moisture and temperature can directly enter the silo for storage.
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The measurement of soil moisture by a soil moisture meter revealed that the soil is actually deficient in moisture. In order to solve the current lack of long-term soil moisture data, ESA has been supporting the development of a global soil moisture system to coordinate the processing of a series of European and U.S. satellites.
The active microwave observation dataset was generated by the University of Vienna (Vienna University of Technology) based on observations of C-band scatterometers installed on satellites ERS-1, ERS-2 and METOP-A (weather services). This measurement in soil moisture is very accurate and reliable. In recent years, the determination of soil moisture in agricultural soils has indispensable to the use of soil moisture measuring instruments, providing a lot of data support for the development of precision agriculture.
During the dry period at the top, the high-heat air rapidly warms the grain and removes part of the surface of the particles.
In the moderate heating stage, a large amount of water is taken away by the moderately heated air.
The advantage of soil moisture measuring instrument in soil moisture research
The total amount of water found in the earth's water content is only about 0.001%, but it is a key factor in the climate system. The relationship between climate and soil moisture has not been fully understood. Because so far, it has not been able to obtain long-term reliable data. The warming of the climate will result in higher evaporation rates, so the soil in some areas is dry. The dry soil itself will heat the air near the surface. Soil moisture content can generally be measured using a soil moisture meter.