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№ 9 (126)
сентябрь, 2024 г.
TECHNOLOGY OF MATERIALS AND PRODUCTS OF THE TEXTILE AND LIGHT INDUSTRY
STUDY OF INFLUENCE OF COLON TYPES ON CLEANING EFFICIENCY
Jahongir Mardonov
Teacher,
Tashkent Institute of Textile and Light Industry, Uzbekistan, Tashkent
Timur Tuychiyev
Associate Professor, Tashkent Institute of Textile and Light Industry, Uzbekistan, Tashkent E-mail: timur.tuychiev@mail. ru
Xayrulla Usmonov
Associate Professor, Tashkent Institute of Textile and Light Industry, Uzbekistan, Tashkent E-mail: usmanov.khayrulla@mail.ru
ИЗУЧЕНИЕ ВЛИЯНИЯ ТИПОВ КОЛОСНИКОВЫХ РЕШЕТОК НА ЭФФЕКТИВНОСТЬ ОЧИСТКИ
Мардонов Жщонгир Шарофиддин угли
преподаватель,
Ташкентский институт текстильной и легкой промышленности,
Республика Узбекистан, г. Ташкент
Туйчиев Тимур Ортикович
доцент,
Ташкентский институт текстильной и легкой промышленности,
Республика Узбекистан, г. Ташкент
Усмонов Хайрулла Садуллаевич
доцент,
Ташкентский институт текстильной и легкой промышленности,
Республика Узбекистан, г. Ташкент
ABSTRACT
The article presents the results of a study of the influence of the types of grate bars used in the process of cleaning from large impurities and their location in the technological process on the cleaning efficiency. The studies examined a grate with a diameter of 10 mm, the distance between the grates of 6; 10; 14; Round grates with a diameter of 18 mm, reinforcement with a diameter of 12 mm and grate bars with a pitch of 12 mm, a cell of 6x50 mm and grates for round columns with a diameter of 20 mm with a pitch of 40 mm were used. The highest cleaning efficiency was achieved by a grate with a grate diameter of 10 mm and a distance between them of 14 mm. According to the results of the studies, large impurities of larger dimensions and greater mass are separated at the initial stages of the cleaning technology. But due to the fact that the trash impurities included in the composition of large impurities are in a stronger bond with the cotton fiber, they combine with cotton until the end of the technological stage of cleaning. Their dimensions are 10-12 mm thick and 50-60 mm long, sometimes there are particles of cotton stem. Therefore, in the research options we will study the effect of the grate arrangement on the cleaning efficiency
Библиографическое описание: Mardonov J.Sh., Tuychiyev T.O., Usmonov X.S. STUDY OF INFLUENCE OF COLON TYPES ON CLEANING EFFICIENCY // Universum: технические науки : электрон. научн. журн. 2024. 9(126). URL: https://7universum.com/ru/tech/archive/item/18275
АдиМ^ЕВЗиМ:
№ 9 (126)_ЛЛ ТЕХНИЧЕСКИЕ НАУКИ_сентябрь. 2024 г.
АННОТАЦИЯ
В статье представлены результаты исследований влияния видов колосниковых решеток, используемых в процессе очистки от крупных примесей, и их расположения в технологическом процессе на эффективность очистки. В исследованиях исследован колосник диаметром 10 мм, расстояние между колосниками 6; 10; 14; Использовались круглые колосники диаметром 18 мм, арматура диаметром 12 мм и колосниковые решетки шагом 12 мм, ячейка 6x50 мм и решетки для круглых колонн диаметром 20 мм с шагом 40 мм. Наибольший показатель эффективности очистки достигнут у колсниковой решетки диаметром колосников 10 мм и расстоянием между ними 14 мм. По результатам исследований на начальных этапах технологии очистки отделяются крупные примеси, имеющие более крупные размеры и большую массу. Но за счет того, что сорные примеси, входящие в состав крупных примесей, находятся в более прочной связи с хлопковым волокном, они соединяются с хлопком до конца технологического этапа очистки. Их размеры составляют 10-12 мм толщиной и 50-60 мм длиной, иногда встречаются частицы стебля хлопчатника. Поэтому в вариантах исследования мы изучим влияние расположения решеток колосника на эффективность очистки.
Keywords: study, influence, grate types, cleaning efficiency.
Ключевые слова: изучение, влияние, типы колосниковых решеток, эффективность очистки.
Enter. Today, UXK cleaning complexes are used in the cleaning departments of many cotton ginning enterprises [1]. Columnar grids of UXK cleaning units are equipped with circular columns with a diameter of 20 mm and a distance of 40 mm between them (Fig. 1) [2]. All sawing drums in the UXK cleaning stream with this colossal grid are used in the section [3].
Many scientific studies have been carried out on the improvement of these columnar gratings, and their shapes and spacing have been studied [4-5]. Also, the importance of hot air [6-7], the provision of the same standard as cotton [8-10], the processes of regeneration of cotton in waste [11-13], the cleaning of types of colosnik
grills [14-15] in several scientific researches on the improvement of cleaning technology effect on efficiency has been studied.
In this section, the results of studies on the influence of the types of colosniks, their spacing and the location of installation in the technology on the cleaning efficiency in the process of cleaning large impurities are presented. It is known that as cotton is processed in the stages of cleaning technology, it contains active impurities that are difficult to clean. Continuation of the technology in the same way without changes leads to a decrease in its cleaning efficiency.
Figure 1. A view of the existing colostrum installed in the cleaning equipment
Research methodology. In order to investigate the effect of types of colosniks on the cleaning efficiency, colosnik grids prepared in 5 variants were prepared and experiments were conducted in the UXK cleaning complex located in the educational-scientific laboratory under the department of "Preliminary processing technology
of natural fibers". In studies, the diameter is 10 mm and the distance between the colosniks is 6; 10; 14; 18 mm round column grids, 12 mm diameter reinforcement and column grid with 12 mm spacing between columns, 6x50 mm mesh and 20 mm diameter circular column grid with 40 mm spacing (available) were used (Fig. 2) ).
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12 mm diameter reinforcement and 12 mm column grid between columns
The diameter is 10 mm and between the columns 10 mm round column grid
The diameter is 10 mm and between the columns 6 mm round colossal grid
The diameter is 10 mm and between the columns 18 mm round colossal grid
The diameter is 10 mm and between the columns 14 mm round colossal grid
The diameter is 20 mm and between the columns 40mm Round Colossal Grille (Available)
Figure 2. A view of the columns used in the study
Under the main saw drum of the UXK cleaning equipment, colosnik bars of all variants were installed and researches were carried out. Taking into account that cleaning technologies consisting of 3 or 4 saw sections are mainly used in cotton ginning enterprises, the technology installed in the laboratory was repeated twice. After two passes, the motion of the brush drums in the saw drum sections was reversed, and the cotton was re-passed twice only on the pile drums.
In total, experiments were carried out in the technology consisting of 4 sections of saw drums and 32 pile drums. In the research, cotton raw materials of grade 1 grade 2 of Sultan selection with initial moisture content of 8.5% and impurity of 8.0% were used. Samples taken in the experiments conducted in laboratory conditions were determined by cotton sampling, moisture and dirtiness based on the methods presented in the State Standards [16-20].
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Before carrying out the experiment, the spacing of each installed colossal grid and sawing drum, rotational speeds of sawing drums and spacing of brush drum and sawing drum, technical condition of softening
brush and spacing of sawing drum were checked and adjusted to the required dimensions. After that, experiments were carried out by placing the isolated cotton in the feeder.
Figure 3. Hole sizes General view of the mesh surface of 6x50 mm
Each experiment was repeated 3 times to reduce the error. First, the saw drums of the equipment, then the brush drums were put into motion, and the technical condition of all rotating working parts was checked. After that, the supply rollers were activated and cotton was supplied to the equipment.
The impurities separated from the cotton passed through the cleaner in the experimental sample were collected, weighed and recorded on an electronic scale with an accuracy of 0.01. Also, to determine the amount of impurities remaining in the cleaned cotton, an average of 1 kg of cotton was poured. Experiments were
continued, adjusting the productivity of the equipment to 3, 5 and 7 tons/hour, while changing the rotation speed of the feeder. The research results of this option were not presented due to negative results such as an increase in the amount of free fiber in the cotton content and an increase in the mechanical damage of the seed when a mesh surface with a hole size of 6x50 mm (Fig. 3) was installed in the saw drum section.
Research results. The results obtained in the experiments are presented in table 1.
Table 1.
The results of the experiments on the effect of the types of cologne on the cleaning efficiency of the equipment
t/r Colossian types Cleaning efficiency, %
P=3 t/h P=5 t/h P=7 t/h
Type I Type III Type I Type III Type I Type III
1. Round grid with 20 mm diameter and 40 mm between columns (available) 80,69 83,73 79,25 82,34 78,12 81,17
2. 12 mm diameter reinforcement and 12 mm column grid between columns 80,35 83,43 78,91 81,94 77,68 80,69
3. The diameter is 10 mm and between the columns 6 mm round colossal grid 79,94 83,06 78,55 81,56 77,34 80,41
4. A grid with round columns with a diameter of 10 mm and a column spacing of 10 mm 82,29 85,3 80,67 83,8 79,47 82,53
5. 10 mm in diameter and 14 mm between the columns 84,49 87,55 83,03 86,1 81,6 84,68
6. A grid with round columns with a diameter of 10 mm and a column spacing of 18 mm 84,09 87,2 82,65 85,73 81,31 84,35
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Analyzing the obtained results, the productivity of the technology with a round grid with a diameter of 30 mm and a distance of 40 mm between the columns (existing) is 80.69% in the first grade at 3 tons/hour, 83.73% in the third grade at 5 tons/hour. when it is 79.25% in the I grade, 82.34% in the III grade, 78.12% in the I grade, 81.17% in the III grade when it is 7 tons/hour. The productivity of the technology with a 12-mm column grid between columns made of 12-mm-diameter reinforcement is 80.35% in type I when it is 3 tons/hour,
83.43% in type III, and 78.91% in type I when it is 5 tons/hour. It is 81.94% in grade III, 77.68% in grade I, and 80.69% in grade III at 7 tons/hour. The productivity of the technology with a 6-mm column grid between the round columns with a diameter of 10 mm is 79.94% in the I grade at 3 tons/hour, 83.06% in the III grade, 78.55% in the I grade at 5 tons/hour, III grade It is 81.56% in grade I, 77.34% in grade I, and 80.41% in grade III when it is 7 tons/hour.
O
90 88
80 78 76
87,55
87,2
g 86 Hi
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^ 82 80,6
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83,73
II.
III.
IV.
V.
VI.
Figure 4. Colossian types
I - d=20 mm and 40 mm between round columns (available); II - d=12 mm between the armature and columns 12 mm; III, IV, V, VI - between 6 columns with a diameter of 10 mm and a round shape; 10; 14; 18 mm.
Figure 4. Effect of the technological process on the cleaning efficiency of colosnik species (work productivity 3 tons/hour).
The productivity of the technology with the diameter of the circular column of 10 mm and the distance between them is 10 mm is 82.29% in the first grade at 3 tons/hour, 85.30% in the third grade, and 80.67 in the first grade at 5 tons/hour. %, 83.80% in the III grade, 79.47% in the I grade, 82.53% in the III grade when it is 7 tons/hour.
Sy o
c
ai 'o
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M fi
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cS
ai O
88 86 84 82 80 78 76 74
82,34
86,1
85,73
81,94
79,2
II.
III.
IV.
V.
VI.
Figure 5. Colossian types
I - d=20 mm and 40 mm between round columns (available); II - d=12 mm between the armature and columns 12 mm; III, IV, V, VI - between 6 columns with a diameter of 10 mm and a round shape; 10; 14; 18 mm.
Figure 5. Effect of the technological process on the cleaning efficiency of colosnik types (performance 5 tons/hour).
№ 9 (126)
сентябрь, 2024 г.
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86
84
82
80
78
О 76
74
72
84,68 84,35
81,17
78,1
I.
II.
III.
IV.
V.
VI.
Figure 6. Colossian types
I - d=20 мм ва думалок; шаклли колосниклар ораси 40 мм (мавжуд); II - d=12 мм арматура ва колосниклар ораси 12 мм; III, IV, V, VI - диаметри 10 мм ва шакли думалок; колосниклар ораси 6; 10; 14; 18 мм.
Figure 6. The effect of the technological process of cleaning colosnik species (performance 7 tons/hour).
The productivity of the technology with the diameter of the round colosniks is 10 mm and the distance between them is 14 mm. The efficiency of the technology is 84.49% in the first grade at 3 tons/hour, 87.55% in the third grade, and 83.03 in the first grade at 5 tons/hour. %, 86.10% in the III grade, 81.60% in the I grade, 84.68% in the III grade when it is 7 tons/hour. The productivity of the technology with the diameter of the circular column of 10 mm and the spacing between them is 18 mm is 84.09% in the first grade at 3 tons/hour, 87.20% in the third grade, and 82.65 in the first grade
at 5 tons/hour. %, 85.73% in the III grade, 81.31% in the I grade, 84.35% in the III grade when it is 7 tons/hour. Summary. Among the columns used in the research, the highest cleaning efficiency index was achieved in the circular column column diameter of 10 mm and the distance between them was 14 mm. According to the results of the research, in the initial stages of the cleaning technology, large impurities with larger sizes and heavier weight are separated. But due to the fact that the cotton balls, which are part of large impurities, are in a stronger connection with the cotton fiber, they are combined with cotton until the end of the technological stage of cleaning. Their sizes are 10-12 mm thick and 50-60 mm long, sometimes even longer cotton balls are found. Therefore, in the research options, we will study the influence of the location of the colosnik grills on the cleaning efficiency.
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• 7univer5um.com
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