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Improvement of the structural scheme of a cotton cleaning aggregate

Field of Science:Chemical EngineeringEngineeringIndustrial and Manufacturing Engineering
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O_TJ.2026.01_ce6a220d.pdf

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“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

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ARTICLE ANNOTATION

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The article analyzes existing structural schemes of cotton cleaning aggregates and identifies their main disadvantages. In particular, the widely used UHK-type aggregate demonstrates insufficient cleaning efficiency and mixing of fine and coarse impurities. Based on the analysis, an improved structural scheme of a cotton cleaning aggregate has been developed, taking into account the degree of cotton loosening along the material flow. The proposed design consists of three zones for removing fine impurities and three zones for removing coarse impurities, arranged alternately. In the first fine-cleaning zone, the spike height of the drums is 65 mm; in the second zone, 55 mm; and in the third zone, 45 mm. The screen surfaces are polygonal and have eight, ten, and twelve faces respectively. In the coarse-cleaning zones, the grate diameters are 22 mm, 20 mm, and 18 mm. The rotational speed of the spiked and saw-type drums increases by 5% in each subsequent zone to prevent clogging and improve separation efficiency. The proposed structural scheme ensures a 20% increase in cleaning efficiency compared to the UHK aggregate while preserving the natural properties of cotton fiber.

AUTHORS

A.Salimov

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Tags

# efficiency# fine impurities# cotton cleaning# aggregate# structural scheme# coarse impurities

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