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Utlu Z, Sogut Z, Hepbasli A, Oktay Z (2006) Energy and exergy analyses of a raw mill in a cement production. Appl Thermal Eng 26:2479–2489 CrossRef Google Scholar. 8. Hepbasli A, Ozalp N (2003) Development of energy efficiency and management implementation in the Turkish industrial sector.
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Raw mill Raw ore mill is the key equipment for grinding after the crush process, which is widely used in manufacture industries, such as cement, silicate, new building material, refractory material, fertilizer, ferrous metal, nonferrous metal and glass ceramics and can be used for the dry and wet grinding for all kinds of ores and other grind ...
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The energy and exergy balances for the whole system and each unit are ... vertical roller mill can reduce the electricity consumption from 44.6 to ... the recycled waste heating sources which can be used to. ... Analysis of the raw mill mass-energy balance; Measurement of Tertiary Air; Gas balance through the grate ... The drift free McON air ...
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The prepared raw meal from the silos is supplied to the kiln. The kiln has an operation capacity of 90 t/h and upper bound of 110 t/h. A total of 57 t/h of the clinker is produced inside the kiln. For the heating of the raw mill, kiln raw meal, and a coal mill, hot flue gases from the kiln are deployed.
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6. Rod Mill Sand Making Machine. It is a kind of high-efficiency and energy-saving crushed stone sand-making equipment, which can save 50% more energy than traditional sand-making machines. It is mainly used to make abrasives, refractory materials, cement, steel sand, slag powder, copper ore, and iron.
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exergy analysis for whole system in the cement production. Sogut et al [13] studied the varying dead- temperature effect on the efficiencies of energy and exergy for a raw mill process in the cement plant. Ambient conditions variations may influence positively or negatively on the thermal performance of energy conversion systems [14, 15].
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Energy efficiency improvements as well as energy savings are the major concern in most of the developed countries all over the world. Furnace is the most common and important part in metal industries. The useful concept of energy and exergy utilization is analyzed to investigate the energy and exergy efficiencies, energy and exergy losses, energy savings and cost benefit …
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Energy and exergy analyses in a thermal process of a production line for a cement factory and applications by Ziya Sogut, Zuhal Oktay International Journal of Exergy (IJEX), Vol. 5, No. 2, 2008 Abstract: The objective of this study is to determine the actual energy losses by performing energy and exergy analyses and to evaluate energy and exergy efficiency in each process …
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The recovery and utilisation of industrial excess heat has been identified as an important contribution for energy efficiency by reducing primary energy demand. Previous works, based on top-down studies for a few sectors, or regional case studies estimated the overall availability of industrial excess heat. A more detailed analysis is required to allow the …
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The exergy-energy analysis, in accordance with the first and second thermodynamic laws, revealed that the maximum exergy destruction occurs during the combustion and steam generation processes . Focusing on the biomass energy utilization, an energy-exergy analysis was implemented for a biogas driven multigeneration system, which included a two ...
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Raw material preparation (RM—a single block in Figure 2) is a subsystem, where the raw material feeds (Rm f —the material stream in Figure 2) are converted into the raw meal or raw-mix (Rm x).The proportioned raw material is dried, homogenized, and fine-grounded to the required size by the raw mill.
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in which they investigated the energy and exergy efficiencies of a raw mill of the same plant and found that first and second law efficiencies were 84.3 and 25.2%, respectively. Wang et al. (2009) presented an exergy analysis and parametric optimizations for different cogeneration power plants used in cement industry. They
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Energy and exergy analyses of a raw mill in a cement production. Z Utlu, Z Sogut, A Hepbasli, Z Oktay. Applied Thermal Engineering 26 (17-18), 2479-2489, 2006. 140: 2006: A review on analyzing and evaluating the energy utilization efficiency of countries. Z Utlu, A Hepbasli.
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Utlu et al. used actual operational data to perform energy and exergy analysis of a raw mill and found the main heat losses by calculation. Söğüt et al. investigated a coal-preparation unit in a cement plant from the perspective of exergy and aimed to examine the effect of varying dead state temperatures on exergy efficiency, and the ...
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Downloadable (with restrictions)! In this study, a pulp and paper mill (PPM) in the SEKA Papermaking Plant in İzmit, Turkey, is analysed through energy and exergy balances. The plant utilises recycled waste paper for papermaking. This type of raw material input makes the process highly sophisticated. The pulping uses strictly mechanical processes, such as digestion, …
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Energy and exergy analyses of a raw mill in a cement production. Z. Utlu, Z. Sogut, A. Hepbasli, Z. Oktay; Engineering. 2006; Cement production has been one of the most energy intensive industries in the world. In order to produce raw materials preparation, clinker and rotary kilns are widely used in cement plants.
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The objective of this study is to perform energy and exergy analysis of a raw mill (RM) and raw materials preparation unit in a cement plant in Turkey using the actual operational data. The RM has a capacity of 82.9 ton-material hourly.
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In this study, the first and second law analysis of a raw mill is performed and certain measures are implemented in an existing raw mill in a cement factory in order to reduce the amount of energy consumption in grinding process. The first and second law efficiencies of the raw mill are determined to be 61.5% and 16.4%, respectively.
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mill using the Aspen Plus software. Utlu et al. (2006) also assessed the energy and exergy efficiency of a cement raw mill in the sector. Atmaca and Atmaca (2016) summarised the cement production process in terms of exergy balance, illustrating that increasing energy efficiency can help reduce energy consumption.
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Utlu et al. [16] performed an energy and exergy analysis of a raw mill in a cement production plant. According to their study, the energy and exergy efficiencies are …
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Utlu Z [11] studied the energy and exergy analyses of a raw mill in cement production. The first and second laws efficiencies are 84.3% and 25.2% respectively. The heat losses are composed of conduction, convection, and radiation from the surface by about 14,300 MJ/h. The potential of
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Highlights We analyzed a raw mill and investigated the first law and second law efficiency values. Performance assessment of a raw mill indicates that the grinding process involves energy and exergy losses. The ambient air conditions affect efficiency and production capacity of the mill. The specific energy consumption for farine production is determined.
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Feature: Energy and Exergy Measurement for Papermaking Processes C. measurement of energy efficiency and exergy efficiency From the established three-phase energy model, the energy and exergy efficiencies can be measured. 1) energy and exergy balance for the mill wide energy system The energy and exergy balance of the paper mill is shown in ...
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The results obtained for the energy and exergy efficiency of the raw mill were 84.3% and 25.2% respectively. The results identified heat losses by conduction; convection and radiation from the surface of the raw mill were about 14,300 MJ/h, which indicates an energy recovery of 15.70% of the total input energy into the raw mill.
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energy and exergy analyses in a thermal process of a production line for a cement factory and applications. Efficiencies (energy/exergetic) of the processes for the raw mill, the rotary kiln, the trass mill and the coal mill on the production line were found in their study as 84/25, 61/49, 74/13 and 74/18%, respectively.
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The exergy efficiency for the raw mill studied using Aspen plus simulator modelling technique was found to be 21.4%. It was found that the difference in exergy efficiencies of the simulation...
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The mitigation strategiesfor the reduction of CO2 emissions from the cement production were identified and analyzed in the energy management scenarioThe energy and exergy analysis of the raw mill of the cement plant revealed that the exergy utilization was …
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Energy and exergy analyses of a raw mill in a cement . Dec 01, 2006 The aim of this study was to determine energy and exergy utilization efficiencies for a raw mill in a cement production. Mass balance and heat losses, energy and exergy utilization efficiencies of the RM were analyzed using the actual plant operational data.
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The simulator was used for the thermodynamic performance of a raw mill (RM) and raw materials preparation unit in a cement plant in Nigeria using actual operating data. The raw mill has a capacity of 240,000 kilogram-material per hour. Also, both exergy and exergetic efficiency of raw mills from three literature sources were investigated and ...
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Energy and exergy analyses of a raw mill in a cement production …. Energy and exergy analyses of a raw mill in a cement production. by Zafer Utlu, Ziya Sogut, Arif Hepbasli, Zuhal Oktay. Engineering › Miscellaneous Papers. View in … »More detailed
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