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The quality change of seed cotton during storage is closely related to the environmental conditions. The temperature and humidity measured by the temperature and humidity monitor are the two most important factors. The higher the humidity, the more unfavorable the storage, even if the dried cotton will become wet. The moisture regain rate of seed cotton determines the length of storage and the degree of quality decline. When the moisture regain of seed cotton is greater than 12%, storage is not safe, and the color will gradually turn yellow, and the grade will decline.
When the moisture regain of seed cotton is greater than 13%, the display temperature of the temperature and humidity monitor will increase, the storage time will be shortened, the yellowness will increase rapidly, and the quality will drop rapidly; when the storage temperature is higher than the original temperature by 8°C or more , Or if the temperature exceeds 33°C, handle it immediately. Cotton itself does not produce heat. Once it begins to heat up, it shows that the seed cotton within the seed has started to deteriorate and deteriorate, and the temperature will rise rapidly.
The reason for the timely monitoring of the temperature and humidity monitor at the storage site is of great significance because the cotton seeds generally have a high moisture regain rate after harvest and further open the cotton acquisition and sales market. Under the condition of insufficient supply of cotton, the cotton farmers It is to collect and sell, not to do it, or even to manually add water to it. Acquisition of seed cotton due to high humidity, processing plant processing capacity constraints, the purchase of cotton can not be real-time processing, temporary outdoor storage, accumulation, long accumulation time, a long time will be internal heating, due to the poor thermal conductivity of cotton, can not Dissipating heat can even cause spontaneous combustion, and the consequences will be unthinkable.
The Effect of Temperature and Humidity Monitor on Cotton Grain Storage
Cotton is an important strategic material. For a country, the impact on livelihoods is greater at the same time. Aspects of the quality of cotton production, processing, distribution, storage and transportation are closely related to the interests. China's cotton production is relatively large, the planting area is widely distributed, the climatic conditions are different, and the storage is also different. Under different conditions, different seed cotton storages are studied. The temperature and humidity monitor is of great significance for the detection of the environment.