Nov.29, 2016Keywords:Wheat, Wheat storage, wheat storage technology
Wheat Storage Characteristics:
1. Long ripening period
Wheat ripening period is longer compared with other cereal grain, most varieties of wheat ripening period up to two months or so. Wheat during ripening, the respiratory strength, metabolism, release a lot of water and heat, and transferred to the upper grain heap. The moisture content, impurity content and environmental condition of the kernel are very important for the safety of wheat. If the moisture content of wheat stored in the 13.5% or less, and the impurity content is small, no damage from the pests, then the ripening period of wheat temperature after a period of time will return to normal. If the moisture content of wheat is too high, the content of impurities is large, there will be a lasting temperature of wheat during the ripening period does not fall and the uneven distribution of water in all parts of the anomaly, can cause serious wheat fever and mildew. After the completion of ripening effect of wheat, its quality will be improved, is conducive to storage.
2. High temperature resistance
When wheat moisture content over 17%, the drying temperature does not exceed 46 ℃, moisture content below 17%, the treatment temperature does not exceed 54 ℃, the enzyme activity will not decrease, germination rate is still maintained, the process quality is good , and the quality of wheat flour is improved by experiencing high temperatures during ripening.
3. Strong hygroscopicity
Wheat skin is thin, soft tissue, no shell protection, and contains a large number of hydrophilic substances, so the moisture absorption capacity and moisture absorption rate are strong. Keeping wheat dry, doing good moisture-proof work is an important measure of safe storage of grain.
4. Strong storage resistance
The newly harvested wheat by the sun after drying fully storage is better stored. Especially after a year of safe storage of wheat, its stability is stronger, can be long-term storage.
5 Easy to susceptible to pests
Doing pest control work after storage is an important measure to ensure the safe storage of wheat.
1. Conventional storage, control moisture, remove impurities, improve the quality of grain storage
2. Heat sealed storage of wheat
By using high temperature of summer to solarize wheat, keeping the silo feeding grain above 42 ℃, and then take advantage of hot storage and gland closed storage method. This method is mainly suitable for several layers of grain storage and farmer storage applications.
3. Low temperature storage
Low temperature can prevent pests and mildew, reduce the consumption of grain and other components of decomposition caused by loss of ingredients to maintain the vitality of wheat. When grain is cooled below 17 ° C, the development of any pest will be inhibited or killed. Below 8 ℃ when the general pest was paralyzed. Less than 0 ℃ after a certain period of time to die. Mites is with strong resistance to low temperature, generally need to be less than 4 ℃, to inhibit the development of mites. General food micro-organisms cannot develop below 0 ℃.
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