Academic literature on the topic 'Cotton gins and ginning'

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Journal articles on the topic "Cotton gins and ginning"

1

Funk, Paul A., and Robert G. Hardin IV. "COTTON GINNING HANDBOOK: Energy Utilization and Conservation in Cotton Gins." Journal of Cotton Science 21, no. 2 (2017): 156–66. http://dx.doi.org/10.56454/tblf7573.

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Gins have become more energy efficient. However, energy costs account for 25% of the total variable costs of ginning, including seasonal labor, increasing from 15% in 1994. Recent studies found that average electricity use at gins is approximately 35 kWh per bale, down from 53 kWh per bale reported in 1980. However, gins must continue to increase efficiency to remain profitable and consumers are increasingly concerned with the sustainability of textile products. This paper reviews recent research on energy use and conservation in cotton gins and offers suggestions on ways for gin managers to r
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2

Wanjura, John D., Carlos B. Armijo, Christopher D. Delhom, et al. "Effects of harvesting and ginning practices on Southern High Plains cotton: fiber quality." Textile Research Journal 89, no. 23-24 (2019): 4938–58. http://dx.doi.org/10.1177/0040517519844215.

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The lint yield and fiber quality of cotton produced in the Southern High Plains of the USA have improved over the last decade, renewing interest in finding harvest and ginning practices that better preserve fiber quality. Previous research showed that picker harvesting and roller ginning may better preserve fiber quality, but conventional roller ginning was too slow to be adopted as the primary ginning system used for Upland cotton. Advancements in roller ginning technology have increased the ginning rate per unit width of rotary-knife roller gins to approximately equal that of saw gins. Resea
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3

Safarov, Askarbek, Elmurod Narmatov, Sojida Burieva, and Islomiddin Usmonov. "Increasing the performance of the raw material wheel and fiber quality when processed by the sawing machine." E3S Web of Conferences 389 (2023): 03039. http://dx.doi.org/10.1051/e3sconf/202338903039.

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The saw gin, the primary technical device used in the cotton ginning process, is responsible for separating the cotton fiber from the cotton seed. After being cleansed of khaschops and dried to the desired humidity in the drying, cleaning, and cleaning shops, seeded cotton is transferred to the main building of the business for ginning (separation of fiber). Up to now, 4DP-130, 5DP-130, and DPZ saw gins have been employed in cotton ginning operations to spin medium fiber seeded cotton. The ginning machine's operation, which separates the fiber from the seed in cotton gins, is largely responsib
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4

Hughs, Ed, Greg Holt, and Ross Rutherford. "COTTON GINNERS HANDBOOK (2016 Revised Edition): Saw Gin Stands." Journal of Cotton Science 21, no. 1 (2017): 60–69. http://dx.doi.org/10.56454/nzmg5416.

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The saw gin stand is the heart of the saw ginning system. From the initial filing of patents for the spiked-tooth gin and the saw gin in 1794 and 1796 by Whitney and then Holmes, respectively, the saw gin stand has predominated over early roller-type gins in the U.S. cotton ginning industry. These early saw gin stands were small, simple, and were manually fed hand-picked seed cotton and processed only a few hundred pounds of fiber per day. However, at this early stage, it was recognized that the gin stand had a huge impact on fiber quality and textile utility. These early saw gins tended to be
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5

Veliev, Fazil. "Theoretical substantiation of the conditions for capture of fiber by the working drum by the knife in roller gins." Eastern-European Journal of Enterprise Technologies 6, no. 1 (120) (2022): 53–61. http://dx.doi.org/10.15587/1729-4061.2022.269138.

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Roller ginning provides 2–3 times less mechanical damage to cotton fiber than saw ginning. In recent years, these positive moments have predetermined attempts to gin medium-fiber cotton on roller gins. However, the low productivity of roller gins compared to saw gins does not yet allow for a complete transition to this process. To design high-efficiency roller gins, it is necessary to deeply study the mechanics of the basic processes of interaction of raw cotton with the working organs of the gin. It is necessary to determine the reserves for improving the efficiency of the process of capturin
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6

Whitelock, Derek, Michael Buser, Gregory Holt, et al. "COTTON GINNERS HANDBOOK: Cotton Gin Pneumatic Conveying Systems." Journal of Cotton Science 23, no. 2 (2019): 182–217. http://dx.doi.org/10.56454/rlem8406.

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Cotton gins use air to move seed cotton, lint, cottonseed, and trash through conveying pipes. In gins, pneumatic conveying systems are the principal means of moving material from one processing stage to another throughout the entire ginning plant. Further, material drying or moisture restoration can be accomplished by heating or humidifying the conveying air. Pneumatic systems are a critical and fundamental component of cotton ginning. Cotton gins use large quantities of air for pneumatic conveying. It is common for a gin to use 4,248 m3 (150,000 ft3) or more of air per minute in its various m
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7

Pelletier, Mathew G., Greg A. Holt, and John D. Wanjura. "Cotton Gin Stand Machine-Vision Inspection and Removal System for Plastic Contamination: Software Design." AgriEngineering 3, no. 3 (2021): 494–518. http://dx.doi.org/10.3390/agriengineering3030033.

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The removal of plastic contamination from cotton lint is an issue of top priority to the U.S. cotton industry. One of the main sources of plastic contamination showing up in marketable cotton bales is plastic used to wrap cotton modules produced by John Deere round module harvesters. Despite diligent efforts by cotton ginning personnel to remove all plastic encountered during module unwrapping, plastic still finds a way into the cotton gin’s processing system. To help mitigate plastic contamination at the gin, a machine-vision detection and removal system was developed that utilizes low-cost c
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8

Azizov, Shuhrat, Farhod Uzoqov, Mirshoroffiddin Mirzakarimov, and Oybek Usmanov. "Analysis of Namangan 77 cotton in production line with different saw gins for short fiber yield." E3S Web of Conferences 273 (2021): 07021. http://dx.doi.org/10.1051/e3sconf/202127307021.

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For the accuracy of the results, the study was carried out for three years. The average of each factory gins was chosen. Comparison of fiber properties processed in different cotton processing plants, with different models of fiber separators. Each sample of fiber grade 1 Namangan 77 raw cotton was obtained as a result of ginning with such factory gins 4DP-130.5 DP-130, 3HDD and Lummus gins in Namangan region. The Fiber properties of all samples were measured with the Advanced HVI Fiber Information System, to determine the yield of short fibers. The main purpose of the study is to determine wh
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9

Hughs, Sidney E., Gregory A. Holt, Carlos B. Armijo, Derek P. Whitelock, and Thomas D. Valco. "COTTON GINNERS HANDBOOK: Development of the Cotton Gin." Journal of Cotton Science 24, no. 1 (2020): 34–43. http://dx.doi.org/10.56454/medh2749.

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Cotton fiber was first used in 6000 B.C. The two New World cotton species that are most of today’s production include G. hirsutum (Upland) and G. barbadense (Extra Long Staple [ELS]). The first cotton gin existed by the 5th century A.D (single-roller gin). The next development was the churka gin (double-roller gin) which ginned cotton five times faster than the single-roller gin. The churka gin was widely used in North America by 1750 and ginned both Upland and Sea Island (ELS) cotton. The spike-tooth cotton gin was developed by Eli Whitney in 1794. Hodgen Holmes developed a continuous flow gi
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10

Gurumurthy Iyer, Vijayan. "Environmental health impact assessment of chrome composite leather-clad rollers used by Indian cotton roller ginning industries and design and development of Eco-friendly alternatives." International Journal of Emerging Trends in Health Sciences 4, no. 1 (2020): 36–67. http://dx.doi.org/10.18844/ijeths.v4i1.4496.

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This research article realises the hazards of chromium contamination and pollution caused by using chrome composite leather-clad (CCLC) rollers that are commonly used in the cotton roller ginning industries and attempts to eliminate the chromium contamination and pollution during the cotton ginning process. The chromium traces found contain hexavalent chromium being adsorbed from chromium-contaminated lint, yarn, fabrics, seeds, by-products and textile effluent. Chromium acts in three ways on humans, viz. (i) local action explained as dermatitis or absorption through skin, (ii) direct inhalati
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