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Seed Cotton Management Impact of Impurities in Seed Cotton on Ginning



Seed Cotton Management Impact of Impurities in Seed Cotton on Ginning The impurities in seed cotton are all the substances contained in seed cotton except seed cotton, as well as s…

Seed Cotton Management Impact of Impurities in Seed Cotton on Ginning

The impurities in seed cotton are all the substances contained in seed cotton except seed cotton, as well as sterile seeds and stiff cotton in high-grade flowers, see Table 7-2.

(一 )The impact of impurities on the ginning process
(1) The high content of impurities in cotton will complicate the cleaning process, increase the amount of waste during impurity removal, and affect product quality and use value.
(2) The stiff-flap cotton caused by various diseases and insect pests in seed cotton has short fibers, very weak strength, and poor maturity. If not eliminated, it will increase the lint content, affect the lint color, and reduce the lint grade. .
(3) Thick impurities such as ropes, pieces of cloth, and sacks in the cotton can easily block the gaps in the machine or wrap around the rotating parts, affecting the normal operation of the machine, accelerating the wear of the machine parts, and shortening the service life of the machine.
(4) Rough and hard impurities such as masonry and metal blocks collide with running parts, which can easily damage the machine parts, increase machine material consumption, and easily generate sparks, causing fires, seriously affecting production safety.
As mentioned above, impurities in cotton have serious harm to the ginning process and must be cleaned.
(2) Calculation of mechanical impurity cleaning efficiency
The impurity removal efficiency of cotton cleaning equipment refers to the ability of the cleaning machinery to remove impurities. The cleaning efficiency of various cleaning equipment is different, which is determined by the characteristics of the equipment itself. For different types of impurities, the cleaning efficiency of the machine is also different. The cleaning efficiency of the equipment for external impurities is generally higher, and for infertility. The cleaning ability of fibrous impurities such as seeds is poor.
The impurity cleaning efficiency of the cleaning equipment is expressed as the percentage of the amount of impurities to be removed to the amount of impurities in the atomic cotton. The calculation formula is:

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