Hruban V., Havrysh V., Kalinichenko A. The determining of the force for corn-cobs separation

UDC 636.3:636.083.37/575.22:636.3.082.2

 

Hruban V.

Havrysh V.

Kalinichenko A.

 

There has been an increase in the demand for corn in the world. Its production requires the use of high-performance agricultural machinery, including combines. Modern corn harvesters have high grain losses and, therefore, their main apparatuses must be improved. Known methods for the separation of corn cobs have been analyzed. Designing corn harvesters requires specific knowledge, including the mechanical properties of the crop itself. For this reason, a literary analysis was carried out to study the physical and mechanical properties of corn stalks and cobs. The impact of a number of factors such as mechanical and physical properties of stalks, the mechanical forces exerted through the harvester combine, plant curvature, and pick-up cobs, etc. on the cutting process have been found from previous researches. The aim of this article is the theoretical justification of forces for corn cobs separation. To achieve this aim, a mathematical model which takes into account the complex combination of several forces has been developed. The technological process of corn-cobs separation is considered as the combination of different forces, and the valuation of the resulting tension was done. The results of the simulation were compared to experimental data to verify this model. The wave theory has proved to be more accurate compared to the static model. The results of the theoretical research for corn-cobs separation from stems are given. The experimental results made it possible to refine the mathematical model. Further research will be focused on the intensification of this process by the integration of stretching the stalk together with its twisting.

Key words: corn, cob, separation, cob separation system, mathematical model.

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Fedorchuk M., Kovalenko O., Havrish V., Chernova A., Hruban V. Energy evaluation of sorghum growing technology in the South of Mykolaiv region

UDC 633.17

 

Fedorchuk M.,

Kovalenko O.,

Havrish V.,

Chernova A.,

Hruban V.

 

In the conditions of a high drought of climate of the Nikolaev area and fluctuations of temperature on years the important direction of increase of productivity of arable land is cultivation of drought-resistant cultures and improvement of the technological receptions directed on creation of highly productive agrocenoses.

Industrial-scale cultivation of non-food energy crops for biofuels production is generally recognized as a positive step toward ensive enpreventing energy shortages and decreasing greenhouse gas emissions. As part comprehergy plan, its bioenergy industry is vigorously accelerating cellulosic ethanol fuel production and diversifying feedstock supplies to include new crops such as cassava and sweet sorghum. In 2020, ethanol yield  reached 4.0 million tons, a 90% increase from 2.1 million tons in 2015, according to the 13th 5-Year Plan for bioenergy

Sorghum is a crop that can withstand high temperatures and prolonged droughts: to consume a one kg of dry matter, it consumes almost 1.5 times less water than corn and 2 times less than cereals. Its value is also due to the versatility of use, the ability to give stable yields, the possibility of growing on unproductive soils.

Energy sorghum, including biomass and sweet type varieties, has recently gained favor as bioethanol feedstock amongst numerous candidate crops. Low input requirements, wide adaptability, and remarkable biological productivity confer better energy balance to sorghum as compared to other competing crops. Using current renewable energy technologies, soluble sugars and structural carbon compounds (cellulose and hemicellulose) in energy sorghum stems and leaves could be the most promising approach for the first and second generation ethanol production.

This article evaluates the energy efficiency of growing sugar and grain sorghum in the context of climate change.

Keywords: energy equivalent, energy efficiency coefficient, energy costs, grain sorghum, sweet sorghum, biofuel, energy efficiency.

 

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An overview of the current state of mechanized harvesting of corn for grain and prospects for development

UDC 631.355.072/1

V. Gruban,
A. Haleeva,
M. Shatohin

In the article the dynamics of growth of the increase of corn crops is considered and analyzed. The analysis of the state of the national park of maize harvesting equipment was carried out. The main directions of increasing the amount of corn harvesting are offered.

Key words: corn equipment, loss, seasonal load, logistics, harvest.

An overview of the current state of mechanized harvesting of corn for grain and prospects for development

Issue 2 (94), 2017

Development of compositional scheme of technological module for corn-harvesting

UDC 631.555:631.355

V. Hruban’, аssistant
Mykolayiv National Agrarian University

The paper presents the results of researches of constructive features of existing basic corn-harvesting machinery models and off ers new compositional scheme of technological module for corn-harvesting. The paper presents the results of constructive features of existing basic cornharvesting machinery models with cob-peeling, major drawbacks of their constructive solutions are analyzed. A new layout scheme of multiple-action technological modules possible to use when harvesting corn for grains, seeds or sugar-corn was off ered. A principally new construction of a trailed corn-harvesting combine with cob-peeling adapted to modern requirements and machine works was off ered. The universal multiple-action technological module design increases the eff ectiveness of corn-harvesting and meets international specifi cation in quality, standardization and certifi cation.

Key words: corn, corn-harvesting machinery, technological module, peeling rollers, clamp device, wrap cobs, cob peeling.

Development of compositional scheme of technological module for corn-harvesting.

Referenses:
1. Агропромисловий комплекс України: стан, тенденції та перспективи розвитку: інформ.-аналіт. зб. / за ред. П.Т. Cаблука та ін. – К. : ІАЕ УААН, 2003. – Вип. 6. – 763 с.
2. Погорілий Л.В. Зернозбиральна техніка: проблеми, альтернативи, прогноз / Л.В. Погорілий, С.М. Коваль // Техніка АПК. – 2003. – № 7. – С.4-7.
3. Статистичний щорічник України за 2008 рік. / Державний комітет статистики України ; За ред. О.Г. Осауленка. – К. : Консультант, 2009. – 576 с.
4. Тихоненко О.В. Забезпеченість сільського господарства зернозбиральною технікою як запорука ефективності зернового господарства / О. В. Тихоненко // Економіка АПК. – 2008. – № 7. – С. 36-41.

Issue 4 (92), 2016

The rationale options of tecnology module for many factors action corn collection

UDC 631.355.072/1

A. Haleeva, V. Hruban 

Formulation of the problem. Qualitative implementation of the corn harvesting process is absolute compliance with the harvest and agro technical requirements. The quality of the harvest must reflect the highest, corresponding to the present stage of development of corn technology, practically achievable level [6]. Only if all operations on high corn harvesting machine can be called modern and efficient.
The purpose of the article is development technological construction module machine for separating the cobs that meets existing agro-technical requirements, standardization and certification.
Conclusions. Experimental study of the proposed technological module showed high efficiency of the proposed technical solutions. In terms of quality execution of technological operations, this design is at a high technical level, because it satisfies the operational costs by improving the quality of indicators.
Confirmation reduced parameters of proposed construction technological module must be tested.

Keywords: corn-harvester equipment, corn picker, multivariate effect, experimental studies, field testing.

The rationale options of tecnology module for many factors action corn collection

Issue 3(91), 2016

Обґрунтування компоновочної схеми технологічного модуля для збирання кукурудзи

Номер, рік
2(72), 2013

УДК
631.355.072/1

Автор
В.А. Грубань, асистент
Миколаївський національний аграрний університет

Анотація
Представлено результати досліджень конструктивних особливостей існуючих базових моделей кукурудзозбиральної техніки, зроблено оцінку та аналіз основних недоліків, запропоновано нову компонувальну схему технологічного модуля для збирання кукурудзи.

Ключові слова
кукурудза, кукурудзозбиральна техніка, очистка качанів, технологічний модуль
(more…)

Обґрунтування компоновочної схеми технологічного модуля для збирання кукурудзи

Номер, рік
1(71), 2013

УДК
631.355.072/1

Автор
В.А. Грубань, асистент
Миколаївський національний аграрний університет

Анотація
Представлено результати досліджень конструктивних особливостей існуючих базових моделей кукурудзозбиральної техніки, зроблено оцінку та аналіз основних недоліків, запропоновано нову компонувальну схему технологічного модуля для збирання кукурудзи.

Ключові слова
кукурудза, очистка качанів, кукурудзозбиральна техніка, технологічний модуль
(more…)