More photos at photo gallery Energosteel Company and Georgia enterprises have a long cooperation history and memories of industrial facilities or manufacturing sites visits. In November 2018 Georgia met us with usual hospitality and friendliness. Since 2009, our company has represented in this market and continues to establish new relationships. During the trip, we visited the largest mining enterprise in Georgia and one of the largest in Transcaucasia. We had the opportunity to discuss current work, as well as future plans for the development of our cooperation. This company always seeks ways to improve the quality of their final products, and pioneers in the increasing of the hardness group of grinding media. Our team also held a few important negotiations with enterprises in construction sector. It is the good news that our effective techniques for ball loading into the mill developed by our Technical Sales Support Department together with leading research institutes are well proven in this industry. After the meeting, positive comments were received from all companies, who highly appreciated our technical support, as well as qualified assistance in the field of grinding media applications. We conducted with not only existing partners, but also found new ones, thanks to […]
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In the middle of 2017 one of our partners began a major industrial test to track changes of the technological parameters of the factory while decreasing the average diameter of the grinding balls used in ball mills. The first eight months-long stage was the transition from the using of 100mm ball in the mills of the first grinding stage to 80mm steel ball. In order to avoid distortion of the results, the chemical composition of the steel, from which the 80 mm balls were made, had to be completely identical to the previously used grinding balls of diameter 100mm. The hardness values should also be identical. The test was conducted by the method of substitution. After eight months all indicators of the tested mill were analyzed. The experiment showed the following results: – Reduction of grinding balls consumption rate by 5-6%; – Improving of grinding quality – the content of the finished product in the discharge of the mill of the first grinding stage increased on an average 12%. Based on this experiment, the plant’s management decided to refit all mills of the first grinding stage for using grinding balls 80mm. The next stage of this large-scale industrial test was […]
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«Energostееl» was presented at the 8th Mining, MiningMachines&Equipment, ConstructionVehiclesFair or MiningTurkey 2018, which was held from December 13 to 16, 2018 in Istanbul, Turkey, represented by our long-time partners, PROSES MUHENDISLIK DANISMANLIK INSAAT VE TASARIM A.S. This exhibition helps the mining sector to receive effective, competitive and sustainable marketing assistance, develop business and make new links. We express our deep gratitude to our partners, PROSES MUHENDISLIK DANISMANLIK INSAAT VE TASARIM A.S.for the quality presentation of our company and our products at this exhibition.
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As it was published earlier in the article “Key differences between ISO 9001:2015 and ISO 9001:2008”, on September 15th, 2018, there was introduced the new standard DSTU ISO 9001:2015 replacing the old DSTU ISO 9001:2009. At Energosteel, the transition process to the revised standard was launched in February 2018. The transition plan was divided into three stages: Reviewing DSTU ISO 9001:2015 and making the summary of changes between 2008 and 2015 versions of the standard Developing a primary quality control document, which is the Quality Management Policy, in accordance with DSTU ISO 9001:2015 Introducing the new quality standard and conducting training for employees At the beginning of September 2018, a state company Kharkivstandartmetrologiya conducted a recertification audit for Energosteel Plant LLC and, as a result, issued a certificate # UA 8О072.33671383.1-2018, dd September 14th, 2018. The given certificate confirms that Energosteel’s quality management system meets the requirements of DSTU ISO 9001:2015 “Quality Management System”. Thus, Energosteel may be proudly called a reliable international supplier of high quality grinding media.
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In October 2018 representatives of Energosteel company visited our long-term partners in Romania. Romanian market is interesting for our company, because there are many construction enterprises, which specialized on aerated concrete production, as well as several companies of mine industry there. Our first delivery to Romania was made in 2013. 5 years later, we achieved stable monthly shipments. That fact characterized Energosteel company as reliable partner, who supply quality product. The main purpose of the business trip was to identify requests and wishes of our clients, as well as to discuss ways and methods of improving our collaboration. The same visits representatives of Energosteel company usually try to make once a year in all directions, in order to improve quality of our company work and be correspond to growing needs of our clients. Being in step with the times, expanding our capabilities, perfecting our work and not standing still are important principles of the Energosteel work.
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Last week we received a very pleasant visit of our partner who is represent one of the world’s largest holdings in the sector of supplying products from the chemical and metallurgical industry to mining and metallurgical enterprises.This company operates a global network with more than 530 locations in 73 countries. We started our cooperation with them in 2015 and by the help of them have successfully increased our sales at Scandinavian market. During the factory tour our guest learned about our production processes and quality control methods. Representative of the company also visited our own storage facilities of finished-products and raw materials. Our production director showed him the new production line and impact drop machine. This event also was an opportunity to negotiate our current work and future growth plans. We are delighted that our customer has visited our operations, to see for himselves how we provide the consistent quality of our products. The feedback from the guest has been consistently enthusiastic and positive. I hope we may continue to strengthen the partnership and cooperation between us in a future.
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As it is known, ISO 9001 is one of the international standards issued by the International Organization for Standardization that sets requirements for the enterprise quality management systems. In Ukraine, this standard is called DSTU ISO 9001 “Quality Management System” and is, in fact, a copy of the international standard. Today, a certified ISO 9001 quality management system is one of the essential requirements for products delivery to final consumers, in particular internationally. The functioning ISO 9001 quality management system immediately characterizes a supplier as a reliable business partner. Until recently, in Ukraine, there was applied DSTU ISO 9001:2008 standard. However, starting September 15th, 2018, DSTU ISO 9001:2015 standard has come into force. What are the key differences between the new and the old standard? In ISO 9001:2015, the standards structure and terms are adjusted for better compatibility with the other management systems. There is no binding requirement in regard to the terms used by an enterprise to correspond to the terms in ISO 9001:2015. Now, organizations are free to decide whether they find it necessary to document policies for various types of activities and to choose the form of documentation. However, organizations are required to argue why some activities […]
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Горно-обогатительный комбинат или сокращенно ГОК Современный горно-обогатительный комбинат представляет собой предприятие с замкнутым циклом добычи и переработки полезных ископаемых в твердом состоянии. Размещение в едином комплексе производственных структур, занимающихся извлечением рудного материала, последующей работой по созданию фракции нужных габаритов и обогащением стало необходимым из-за интенсивной разработки наиболее перспективных залежей с максимальным процентом полезных минералов. ГОК давно стал оптимальным инструментом для решения задач переработки ископаемых с целью повысить в них процентное содержание необходимых элементов. Обогатительный комбинат – главные подразделения В состав ГОКа входят несколько основных структур. 1.Участок добычи руды Процесс вскрытия пластов, содержащих полезные ископаемые или подземные выработки обеспечивают всю технологическую цепочку необходимым сырьем. 2.Транспортный цех Важнейшая артерия вывоза руды с места добычи на фабрики. ГОКи используют все виды транспорта в зависимости от специфики конкретного технологического процесса. Данная структура способствует снабжению участков измельчения, своевременно поставляя на них необходимые комплектующие и расходные материалы, в том числе и мелющие тела, для бесперебойной работы. 3.Фабрики обогащения и окомкования Здесь происходит первичная переработка и процесс получения обогащенного концентрата. Для достижения максимальной эффективности, важнейшим звеном являются участки шаровых мельниц, в которых при помощи помольных шаров материал измельчается до необходимой фракции. Многие горно-обогатительные комбинаты имеют в своей структуре фабрики окомкования. Здесь происходит ряд операций для образования окатышей […]
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Разрушение зерен исходной руды и их дальнейшее измельчение – главная задача, которая решается при помощи специального оборудования. Каждый ГОК имеет участок измельчения, где происходит окончательный помол руды в шаровых мельницах после предварительного дробления. Мелющие шары “превращают” поступившее сырье в промпродукт (концентрат) с оптимальными параметрами для дальнейшего обогащения. Барабанные модификации мельниц Такие агрегаты широко распространены на предприятиях горнорудного комплекса. Применяемые в них помольные тела позволяют добиться размера частиц меньше десятых долей миллиметра. При этом стоит отметить значительную энергоемкость барабанных конструкций. Горно-обогатительный комбинат отличается четко отлаженной структурой по разделению всех составляющих технологического процесса. Мельницы представляют в этой цепочке очень важное звено. В общих чертах принцип работы подобного оборудования выглядит так: полый барабан начинает вращаться методом передачи ему вращения через промежуточный вал от двигателя; в приемную часть поступает исходный материал; находящиеся внутри цилиндра мелющие тела в результате перемещения и падения с высоты разрушают частицы руды или другого компонента; находящиеся на патрубке выгрузки спирали отбирают измельченный до требуемых размеров материал, который поступает на дальнейшие узлы технологической цепи. Особенности барабанных мельниц Все ГОКи оборудованы двумя видами агрегатов в зависимости от конструкции опорного устройства: С опирающимися на подшипники скольжения пустотелыми цапфами. Правильная шабровка бобита, залитого на вкладыше, обеспечивает длительный и безаварийный срок службы. С опорой барабана […]
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The Interdepartmental Commission on International Trade (ICIT) has considered the appeal of РJSC “ArcelorMittal Kryvyi Rih” to conduct a special investigation into the import the rebar and wire rod into Ukraine from the Russian Federation. Upon review of this treatment, ICIT adopted to impose a final anti-dumping duty in the amount of 15.21% on 6-40 mm rebar (inclusive) and the 5.5-14 mm wire rod (inclusive), imported from the Russian Federation on 28th December 2017. These products can be classified in accordance with the Ukrainian Classification of Goods for Foreign Economic Activities (UCGFEA) on codes: 7213 10 00 00, 7213 91 10 00, 7213 91 20 00, 7213 91 41 00, 7213 91 49 00, 7213 91 70 00, 7213 91 90 00, 7213 99 10 00, 7213 99 90 00, 7214 20 00 00, 7214 99 10 00, 7214 99 39 00, 7214 99 50 00, 7214 99 79 00, 7214 99 95 00, 7227 20 00 00, 7227 90 10 00, 7227 90 50 00, 7227 90 95 00, 7228 20 91 00, 7228 20 99 00, 7228 30 20 00, 7228 30 69 00, 7228 30 89 00. However, these codes have a fairly wide application and in […]
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Elements reducing the steel propensity to corrosion or elements changing the more dangerous corrosion form to less dangerous (for example, the intergranular corrosion transition in uniform one) specially introduced in steel composition during alloying. Chromium, nickel, aluminum and silicon separately or together in various proportions often introduce into steel. These elements presence in sufficient quantities makes the steel resistant in water, in humid atmosphere, in many acids and alkalis solutions and in dry gases atmosphere at high temperatures. Erosion resistance increases in steels with a high carbon content. Energosteel company uses such high-carbon steel, alloyed with chromium, manganese and silicon for the grinding balls fifth hardness group production (DSTU 3499-97 / DSTU 8538: 2015). Energosteel Company uses steel, specially developed our specialists together with hot-rolled round products suppliers for production grinding balls the 3-rd and 4-th hardness groups (DSTU 3499-97 / DSTU 8538: 2015). These steels contain a certain number of alloying elements (silicon, chromium, manganese, vanadium, molybdenum, titanium), that change the metal mechanical properties in micro volumes simultaneously increasing the corrosion resistance.
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Ukrainian cement industry is the key link of country building complex and completely covers interior demand for cement. 12 large enterprises represent Ukrainian cement industry. It should be noted, just only one plant belongs to Ukrainian equity. Main enterprises of Ukrainian cement industry: Podilsky Cement PJSC Mykolaivсement PJSC Cement LLC (Odessa cement plant) PC “Ivano-Frankivskcement” Dyckerhoff Ukraine PJSC “Volyn – Cement” PJSC “Yugcement” JSC Balcem Pushka Kramatorsk Cement Plant Kryvyi Rih cement plant Amvrosiyivka Cement Plant Dniprodzerzhynsk cement plant In the cement industry used different grinding schemes of raw materials involving milling equipment various sizes. Pipe ball mills used basically. Their ratio of length to diameter is 3:1. Grinding distinguish by: closed cycle grinding (with using sorting machines) or open cycle grinding; the wet or dry grinding process; grinding with simultaneous drying material in the mill. Pipe mills use for clinker grinding in cement production. These mills consist of one camera. The 90mm, 80mm, 70mm, 60mm and 40mm steel grinding balls with third or fourth hardness group (DSTU 3499-97) use as grinding media. The grinding balls assembly depends on size and hardness (mineral composition) of raw material and requirements to the crushed parts size for cement mills. Very often, waste grinding […]
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In Ukraine located about 20% world reserves of iron ore – 80 industrial fields. Domestic mining sector consists of 26 companies. These companies produce the whole range of iron ore resources: an ore, a concentrate, ovoids and agglomerates. Ukraine is the sixth largest iron ore producer. Kryvbas is one of the largest iron ore basin in the world. It includes a series of fields in length over 100 km through Dnipropetrovsk, Kirovohrad and Mykolayiv region. Iron ore with high metal content occur in Kremenchug (Poltava region) and Belozersk (Zaporizhia region) iron ore districts. In the above areas there are six major mining and processing enterprises. They form the majority in Ukrainian production of concentrate, ovoids and agglomerate: Ferrexpo Poltava GOK; Northern Iron Ore Enrichment Works; Central Iron Ore Enrichment Works; Yuzhny Mining and Enrichment Plant; ArcelorMittal Kryvyi Rih; Ingulets Iron Ore Enrichment Works; Ore milling happens in drum mills and steel grinding balls used as milling media. Each of the enterprises has its own specificity in grinding technology, depending on the physical chemical properties of the enriched ores in this enterprise. All enterprises use a classic scheme of raw material grinding and it consists of 3 steps. We consider each […]
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Company Energosteel cares primarily about the quality of produced grinding balls. That’s why we continue to complement our test laboratory with the necessary equipment. Thus, the test laboratory has acquired a portable conductivity meter PWT. This device is equipped with a built-in electrode for determining the electrical resistance of the distilled water in the cooling circuit of induction furnaces. Control of the electric resistance of distilled water in the cooling circuit of induction furnaces is necessary for the stable operation of the furnaces during heating billet before the helical rolling and eventually for obtaining consistent quality of grinding balls for drum mills.
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According to the requirements of GOST 9013-59 the roughness of the sample surface (or surface area) for measure hardness of the product Ra should not exceed 2,5 mm, unless otherwise specified in the standard technical documentation for metal. The sample should be prepared in such a way that its properties have not changed as a result of mechanical or other treatment. Grinding on the surface grinder is the best way of preparation the grinding ball surface for hardness measure. Grinding machine designed for the effective conduct of grinding the metal details by special abrasive tool (grinding wheels). Metal details fixed on a table of surface grinder. For grinding balls done special matrix, it placed from 2 to 5 pieces, depending on the diameter of the balls. The grinding balls grinded simultaneously. A working cutting movement consists as follows – the fixed grinding balls on a table in a matrix moved relative to the cutting tool and thus occurs machining surface abrasive balls. Surface grinding includes the following working movements: cutting tool rotation, longitudinal and transverse feed ball, ball move toward cutting grinding wheel. In the grinding, place of contact the ball with grinding wheel fed coolant, because it helps prevent […]
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Grinding media is the main component in the technological process of grinding materials for cement production, electric power, glass, silicate products, at the extraction of the concentrate for the production of metals. It should be noted, the price cannot be the only determining factor for choosing a supplier of grinding media. By choosing a supplier, cement enterprises and mining companies increasingly focused on reducing specific consumption of grinding media per ton of produced product in monetary terms, that is the optimal ratio of the specific consumption and prices for grinding media. In order to select the right supplier of grinding media, needs to understand the applied production technology, as well as to understand exactly what kind of grinding media required in the particular case (geometry, the material of the grinding media and technical parameters – hardness). International experience shows that using the steel grinding balls (instead cylpebs, cylinders, ellipsoids) of alloy high carbon steel in the cement industry (for grinding clinker and limestone) and mining industry (1st, 2nd and 3rd stage of grinding in concentration of ore) provides significant economy by reducing specific consumption and saving electricity consumption. Compared with others, the specific consumption by the application of grinding balls […]
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Participation of company representatives in the largest specialized exhibition of mining industry in the Middle East, North and East Africa. New sales markets for grinding balls of Energosteel. 25-26 of October 2016 Energosteel took part in vitally important event for global mining industry – The MENA Mining Show in Dubai, UAE. Exhibition was held in Dubai World Trade Centre. The MENA Mining Show is the largest and possibly the most significant mining exhibition in the Middle East and Africa. For the past 9 years, the event has become the great marketplace to show, sell and buy the latest mining technologies, equipment and services. Over 2000 visitors, near 100 governmental officials, 150 leading mining companies, investors, and key solution providers to build sustainable relationships in the Middle East and Africa’s mining industry, attended the event. For us primarily was important that representatives of global companies – direct consumers and the world’s largest suppliers of grinding balls, visited the exhibition. The main sales market for the grinding media in the Middle East and Africa includes enterprisesof non-ferrous metallurgy, chemical industry, as well as companies, mining and processing of organic and inorganic minerals. We had pleasure to meet principal officers of UAE, Saudi, […]
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At previous article we talked about the kinds of mills and grinding media. We have found that the most effective and widely used grinding media are grinding balls Production of grinding balls is regulated by DSTU 8538: 2015 (DSTU 3499-97). Grinding steel balls for ball mills are made of carbon steel and / or stainless steel. Table 1 shows the specific gravity of carbon and alloy steel. The specific gravity of metal is a physical quantity defined as the ratio of the weight of metal to the volume it occupies. Specific gravity of carbon and alloy steel Name (type of steel) Mark or designation Specific gravity (gr/sm3) Constructive (Structural) carbon high-quality steel 45,50,55,60 7,85 Constructive (Structural) leaf-spring steel 60Г, 65Г, 70Г, 55С2,60С2 7,85 Carbon micro-alloyed steel 76, 76Т, 76Ф, 76Ц 7,85 Constructive (Structural) ball bearing steel ШХ15, ШХ15СГ 7,81 Table 1. Specific gravity of carbon and alloy steel Grinding balls characterized by high hardness, resistance to abrasion. Surface of balls responds poorly to splitting and practically don’t crumble. Grinding balls usually classified into five groups of hardness: The first group includes balls with normal hardness. The second group includes grinding balls with increased hardness. The third group includes balls of […]
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