THE EFFECT OF CALCUM DRUMS ON FIBER QUALITY IN THE COTTON CLEANING PROCESS

2021 ◽  
Vol 4 (2) ◽  
pp. 57-62
Author(s):  
Б.Т. Бозоров ◽  
◽  
А. Парпиев ◽  
М.М. Очилов

The article analyzes the state of cleaning of raw cotton. As a result of the experiments, the technological process of cleaning used in the ginning process and the effect of calcum drums on the quality of the fiber when cleaning raw cotton were studied. Also, the influence of various technological processes on the quality of products in the process of cleaning cotton was determined by conducting experiments on different breeding varieties.Key words:cotton, quality indicators, technology, cleaning, trash, cleaner, peel drum

Author(s):  
Valentyna Bandura ◽  
Oleksandr Popiak

Different technologies of soybean seed drying are considered, their positive and negative sides are revealed. A comparative analysis of drying methods was carried out. It is established that the drying of soybean seeds in an electromagnetic field is one of the most promising. A combination of two methods of drying infrared and microwave soybean seeds in a single technological process is proposed. The requirements for the quality of soybean seeds are considered when stored in accordance with the State Standard, in particular the observance of humidity, which should not be more than 12%.


2020 ◽  
pp. 22-26
Author(s):  
E. M. Zimin ◽  
◽  
V. V. Martishkin ◽  

The article presents the list of singular indicators of technological support of technologies and the method of determining their actual values and their quality levels. According to the results of determining the quality level of technological processes, one of three management decisions can be made. The paper describes singular quality indicators that are directly related to the quality of technological processes in the machine-building industry, at the stage of design and preparation of technical documentation. And also presented are complex quality indicators, based on which determine the generalized indicator of quality of the evaluated technological process. As a result of the work the features of conformity assessment of technological processes and related mandatory requirements are formed. Also described is the process of obtaining a qualitative and quantitative assessment of the quality of the technological process with a detailed description of all necessary formulas


2021 ◽  
Vol 03 (04) ◽  
pp. 241-249
Author(s):  
Mirjamol Mirkarimovich Mirxojaev ◽  
◽  
Dilmuhammad Davronbek Ogli Atambayev ◽  
Ismoiljon Isroiljon Ogli Lutfillaev ◽  
Jamshidbek Maripjon Ogli Jurayev ◽  
...  

In this article, the quality indicators of fiber under the influence of various technological processes of Sultan selection cotton were determined and the optimal variant of the technological process for production was recommended. Basic expressions tangled fiber, cortical fiber, knot, staple mass length, specific tensile strength, fiber maturity.


Author(s):  
S.B. Kudryashev ◽  
◽  
N.S. Assev ◽  
R.D. Belashov ◽  
V.A. Naumenko ◽  
...  

The article is devoted to solving one of the most important problems of the development of the sugar industry in Russia – the modernization of sugar production processes. Today, sugar production is actively being modernized, shifting most of its processes to the path of avomatization and optimization to improve the quality of products. This article describes one of the main ways to obtain information about the concentration of sucrose in syrup in the production of sugar.


Author(s):  
Seyla Benhabib

This chapter focuses on how Albert Hirschman presented that the image of the economy as a fully competitive system where changes in the fortunes of individual firms are exclusively caused by basic shifts of comparative advantage is certainly an inaccurate representation of the real world. In associations such as the family, the state, and religious, civic, and professional institutions, loyalty dominates and often trumps exit in favor of voice. “Exit” means leaving behind a product, a service, a firm, or a country to seek others, whereas “voice” refers to the choice to seek influence and have a say in determining the future quality of products or institutions. The chapter shows how Hirschman knew about exit, the search for voice, and the conflicts of loyalties first-hand through his eventful life and travels.


Author(s):  
Oleh Tsurkan ◽  
Dmytro Prysiazhniuk ◽  
Ivan Didyk

One of the important stages of growing seeds of agricultural crops is its post-harvest processing, which includes the drying process, is the main and one of the most effective methods for storing and processing agricultural raw materials. The use of vibration drying equipment is especially effective in high-tech processes taking place in the seed industry, where product moisture is the most important condition for the implementation of technology. The object of research in this article was the technological process of post-harvest processing of high-moisture pumpkin seeds, in particular drying. The purpose of the work was to analyze the current state of post-harvest processing of high-moisture pumpkin seeds and to establish promising methods and means for intensifying this process with a simultaneous increase in the quality of the final raw material obtained. The task of the work was: to review research and publications on the state of post-harvest processing of pumpkin seeds in Ukraine, to establish the features of its post-harvest dues, in particular drying, to get acquainted with the technical means and technologies for performing the technological process of drying pumpkin seeds, to establish the main disadvantages of the existing drying equipment, to determine and to propose new promising technologies and technical solutions for intensifying the drying process of pumpkin seeds with a simultaneous increase in the quality of the final raw material with minimal energy consumption and translate them into a developed model of a vibration dryer, which sequentially implements filtration and convection stages of drying. The research methodology was based on a review analysis of existing studies and publications on the state of post-harvest treatment of pumpkin seeds in Ukraine and the search for ways to intensify this process with a simultaneous increase in the quality of the final raw material obtained. In scientific work, based on the results of the study, it was found that the existing grain drying equipment does not meet the requirements for drying high-moisture pumpkin seeds, therefore there is a need for the development, research and implementation of energy-efficient schemes and structures. The existing samples of domestic equipment for post-harvest processing of high-moisture pumpkin seeds are morally and physically obsolete, do not provide flexibility in the execution of the technological process, are energy- and metal-intensive and cannot be used in processing lots of seed material. The proposed design of a vibrating dryer, which sequentially implements filtration and convection stages of drying pumpkin seeds. The developed installation provides an intensification of this process with minimal energy consumption while increasing the quality of the final raw material obtained.


2021 ◽  
Vol 2021 (4) ◽  
pp. 4769-4774
Author(s):  
ROMAN TRISHCH ◽  
◽  
OLESIA NECHUIVITER ◽  
KOSTIANTYN DYADYURA ◽  
OLEKSANDR VASILEVSKYI ◽  
...  

Risk assessment is an integral part of an enterprise's quality management system. The risk of low quality products is the most significant risk, as it is directly related to the concept of enterprise competitiveness. The paper analyzes the scientific papers related to the assessment of the quality of products, processes and services, their disadvantages, possible limits of application. It is proposed to use mathematical dependences to obtain estimates of product quality indicators on a dimensionless scale. Knowing the density function of random variables of product quality indicators and knowing the mathematical dependence of their estimates on a dimensionless scale, it is proposed to obtain the density function of estimates. Knowing the function of the density of estimates of quality indicators, it is proposed to find the probabilities of risks of the assessment of quality indicators in any given interval on a dimensionless scale. A method for assessing the risks of low quality products has been developed


2021 ◽  
Vol 52 (2) ◽  
pp. 5-10
Author(s):  
Nikolay A. Korobov ◽  
Natal’ya A. Gruzintseva ◽  
Marina A. Lysova ◽  
Boris N. Gusev

Ensuring the required level of quality of products produced by textile enterprises involves not only the final (output) control of its quality indicators, but also ensuring operational control over the relevant characteristics of raw materials and semi-finished products in technological processes throughout the entire production chain of textile material. Within the framework of the functioning of the quality management system of a textile enterprise, when conducting operational monitoring of technological processes, appropriate automated technical controls are required, built with the use of modern information technologies. In this paper, in order to assess the quality of the carding process in the production of combed or carded yarn, a method is proposed for the digital study of the structural unevenness in the surface density of this type of non-woven material, based on the principle of determining the sectorial and radial characteristics for this quality indicator.


2020 ◽  
Vol 11 (3) ◽  
Author(s):  
V.O. Chamara ◽  
◽  
O. Yu. Strashok ◽  
O.V. Kolesnichenko ◽  
◽  
...  

Today, there is such a significant anthropogenic impact on nature all over the world that natural compensatory processes can not to deal with its harmful effects, especially in urban areas. Therefore, it is necessary to solve the current issues of urboecology and urban greening. Lawn is a multifunctional plant formation, an integral elements of urban landscapes, the basis of compositional solutions for urban greening and the main buffer element in the city. The lawn is the most important element of landscaping in any type of greenery, which plays a sanitary role. The analysis of the state of multifunctional lawns in cities and the development its ecological and biological standards for creating stable sward in urban areas is relevant. The authors present the results of the assessment of decorative effect and quality of the structure of lawn coverings for different functional purpose in the city Brovary. We chose on the territory of Brovary different lawns for multifunctional purpose: park “Peremoha”, park named after T.G. Shevchenko, park “Sosnovyi”, cemetery “Stare”, school territory № 9, boulevard “Nezalezhnosti”, stadium “Spartak”, stadium near school № 7, stadium of Brovary Higher School of Physical Culture. Determination of turf grass and weed vegetation we carried out in accordance with the “Determinant of higher plants of Ukraine” (1987). The actual weed-infested determined by the survey method and evaluated in points. For the Latin names of plants, we use The Plant List. The assessment of lawn decorative effect (general decorativeness) carried out with the 5-point scale (Laptev, 1983). We analyzed the quality of the structure of the lawn culture phytocenosis with 6-point scale of Laptev, which consists from the number of units of shoots per area of 100 cm2. Thus, we can group the experimental lawn coverings by qualitative characteristics of the state, where 5 objects from 9 experimental (park “Sosnovyi”, cemetery “Stare”, school territory № 9, boulevard “Nezalezhnosti”, stadium of Brovary Higher School of Physical Culture) evaluated in the lowest indicators and need a complete renovation. On the territory of the cemetery “Stare” lawn we found the largest number of weed species and we noted such species as: Taraxacum officinale (L.) Weber ex FH Wigg., Plantago major L., Galinsoga parviflora Cav., Capsella bursa-pastoris L. Medik., Elytrigia repens L. (Nevski), Poa annua L., Chenopodium album L., Amaranthus retroflexus L., Fallopia convolvulus (L.) Á.Löve. Indicators of the general decorativeness of lawns in the park “Peremoha” and the stadium near the school № 7 were the same, but the results of quality analysis of the structure of lawn indicate low shoot-forming ability of turf grasses, which is essential indicator for sport lawns for formation of a resistant turf to various types of loading. The lawns on the territory of park “Peremoha”, stadium “Spartak” and stadium near school № 7 characterized by good and mediocre quality of sward and require such agronomic operations as aeration, grounding and fertilization. Sport lawns in the city Brovary characterized by high indicators of weed-infested (3 points) that in turn influences both on decorative effect and complex estimation indicators of a lawn covering. It should also be noted that the frequency of fertilization for sports lawns is higher than for other types. The research results show that the lawn on the territory boulevard “Nezalezhnosti” estimated in 3 points by general decorativeness, because the projective cover was mosaic-group (Laptev, 1983) and 2 points – the quality of the structure of the lawn. In our opinion, such low rates are probably caused by anthropogenic load, as the research object located right next to the highway, but studies of this nature need to be continued. According to the results, it is established that the condition of the lawns in Brovary for different functional purpose differs greatly in quality indicators (Laptev, 1983): sports – mediocre condition, decorative – satisfactory (except for the park “Sosnovyi”), special purpose – unsatisfactory condition. The authors propose agro-technical operations to improve the quality and decorative effect of lawns in the city. However, areas of lawn coverings with "bad" grass quality indicators require restoration.


2021 ◽  
Vol 939 (1) ◽  
pp. 012053
Author(s):  
Q Jumaniyazov ◽  
M Ismatova ◽  
I Abbazov ◽  
D Kazakova

Abstract This article defines fiber quality indicators that differ in laboratory conditions from the upper, middle and lower layers of Bukhara-6 breeding varieties of cotton, in the modern system HVI 1000 SA. Based on the results of the study, histograms of changes in the quality of cotton fiber in the layers of the harem are presented. As an alternative, the quality indicators of yarn obtained in the laboratory spinning device “Sherli” of small size from fiber were determined. As can be seen from the analysis of the test results, it was found that the comparative elongation strength of cotton obtained from the lower layer of the stack, the upper average length, elongation at break, the light output coefficient, decreased compared to other layers of the stack, on the contrary, the index of hip fibers, increased, decreased compared to other layers of the stack. In addition, according to the results of the tests obtained, the fiber viscosity index was obtained – the correlation between the properties of fibers and the properties of yarn, the thread viscosity index was estimated by the CSP (COUNT STRENGTH PRODUKT) coefficient, which was determined by the formula for carded yarn obtained in the laboratory spinning device “Sherli” from fiber stored in the refrigerator. The obtained results showed that the relationship between fiber properties and yarn properties due to the fact that the maturity index of a thread is at the top of the stack compared to the middle and lower part of the stack.


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