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ANALYSIS OF EFFECTIVE SEED LINTER TECHNOLOGY IN
COTTON GINNING ENTERPRISES
Ungarov Azizbek Abdumo‘min o‘g‘li
Xudayberdiev Rustamjon Xasanovich
Eshmuratova Iroda Shuxrat qizi
Gulistan State University Syrdarya, Uzbekistan.
https://doi.org/10.5281/zenodo.15124918
ARTICLE INFO
ABSTRACT
Qabul qilindi: 25-Mart 2025 yil
Ma’qullandi: 28- Mart 2025 yil
Nashr qilindi: 31- Mart 2025 yil
In our republic, special attention is being paid to the
introduction of modern resource-saving techniques and
technologies for high-quality production of fiber and
cotton products. This article talks about science-based
modern techniques and technologies that improve the
quality of seed and fluff
KEY WORDS
Fiber, lint, technique, resource
efficient, seed, technology, linter,
energy.
INTRODUCTION.
In the world, cotton fiber is the main raw material of the textile industry, while cotton
fluff is the main raw material of the chemical and cellulose-paper industry. Particular
attention is paid to the introduction of modern resource-saving techniques and technologies
for the high-quality production of fiber and cotton products. Not only in foreign countries
developed with the cotton sector, but also in our republic, in the linting of the seed produced
from cotton processing, the technology reduces the number of linters by increasing the
productivity of the linter, saves the consumption of electricity and spare parts, and ensures
the ecological environment in the territory of the enterprise. , extensive research and
development works are being carried out within the framework of the production and
implementation of scientifically based modern techniques and technologies that improve the
quality of the produced seed and fluff.
MAIN PARTS AND RESULTS
After the technological process of ginning in cotton gins, the seeds are cleaned from the
weeds and transferred to the lintering equipment. During the ginning process, some of the
fibers present in seeded cotton are added to the seed and contaminate it. The gin seed
contains coarse sand, debris, accidentally dropped metal fragments, and small stones, as well
as unhealthy (damaged and immature) seed, which grinds up on screw conveyors and
elevators, and becomes the dirt of the fluff being processed. increases the level. If the ginned
seed is cleaned, the lint is less polluted, the saws of the linter are not damaged and their
service life is extended. Therefore, the seeds are cleaned of impurities before the linter
equipment. At present, USM pneumatic seed cleaner is used to clean the seed from impurities.
USM model pneumatic seed cleaner has a compact structure compared to other brands, it is
simple and convenient to use. The working process is as follows: the seed is fed by the
collapsing conveyor of the line of linters and falls through the shovel drum into the separation
chamber through the hole in the seed suction tube. When the air current lifts the seeds up, the
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heavy objects fall to the bottom of the mine and are separated. Cleaned healthy seeds are
lowered into barriers and a vacuum valve and taken to the required place (linter equipment)
through a screw conveyor.
The main function of the linters installed in the linting department of cotton gins is to
separate the fluff from the surface of the seed mechanically, that is, with saw teeth. Linters are
subject to the following requirements: seed and lint should not be damaged during linting,
impurities and impurities should not be added to the lint, the mechanism that controls the
quality of the lint, the level of fluffiness of the seed, and the efficiency of the lint should work.
In the technological process of lintering, it is considered to be a semi-automatic machine that
has a mechanical effect on the seed, and is considered to be a direct flow mechanism. When
removing the fluff from the saw tooth, it enters the air blower from above with the help of an
air chamber. Depending on the number of saws, linters are called 160 saws. During the linter
process, since the seed shaft cannot rotate under the action of the saw, in order to help it
rotate, a counter-rotating device is installed in the chamber of the linters. The trimmer
straightens the seed roller as it rotates, improving the arrival of hairier seeds on the saw
teeth. The method of fluff separation in linters is based on the mechanical action of the saws
on the rotating seed shaft, scraping the fluff from the surface of the seeds, then separating it
from the saw tooth with the help of air and taking it to the condenser, where it is separated
from the air. The main parameters of the linter are the amount of fluff separated from the
seed and the productivity of the seed.
Figure 1. Schematic of the 5LP linter
1-providing roller; 2-leveling-cleaning drum; 3-
existing profile working camera; 4-mixer; 5-colosnik,
6- saw cylinder; 7th air chamber; 8-waste auger;
9-mesh
surface
To obtain full and high-quality fluff, a trimmer and a seed comb are involved. The main
function of the trimmer is to direct the seeds in the working chamber to the teeth of the saw.
The task of the seed comb is not to miss the required amount of seeds that have not been
separated from the fluff. The scraped fluff passes between the saw teeth and the colosniks and
is separated from the saw teeth with the help of air. The separated lint is cleaned and sent to
the press. The design of linters allows the use of saws with a diameter of 320, 310, 300 and
288 mm. When installing saws of a different diameter on the linter, the position of the air
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chamber and the colosnik grid must be readjusted. The gap between the saw teeth and the
nozzle of the air chamber is adjusted by pushing the special screws that direct the chamber in
the horizontal plane. In the following years, the improvement of the linters, the increase of its
productivity, the increase of the number of saws on the saw shaft, the increase of the size of
the working chamber, the improvement of the quality and quantity of fluff and seed Having
learned the secret, work was carried out in the direction of developing the speed procedures
of the chainsaw cylinder and adjuster. It is determined that the saw that rotates under the
influence of the linear speed adjuster and the saw teeth is under the influence of the periodic
saw cylinder teeth. Saw teeth affect the seed mainly in three places:
- near the saw comb, at the place where the saw enters the working chamber, the saw
changes its direction of movement by touching the saw teeth and moves in the direction of the
teeth movement. At this time, due to low density, fluff is partially scraped from the surface of
the seed;
- the seeds are in a dense state when they pass between the trimmer and saw teeth. At
this time, the main fluff is scraped off;
- when the saw is passing between the colosniks.
CONCLUSIONS AND SUGGESTIONS.
The working chamber of the machine has a great influence on the linting process. In
modern 5LP linters, the linear speed of the saws in the saw cylinder is 12.3 m/s, and the linear
speed of the trimmer blades is 4.2 m/s. Based on this, it can be considered that the saw teeth
affect the seed mass with a speed of 8.1 m/s. As a result of the impact of the saw on the seed at
such a high speed and the impact of the trimmer on the seed roller, the seeds are damaged in
the process of scraping the fluff from the surface of the seed. If the density of the seed bed is
low, the adjusting blades cannot exert pressure on the seed. In this case, the effectiveness of
fluff scraping decreases, and at the same time, the damage of the seed increases as a result of a
lot of mechanical impact.
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