PT X is one of the companies that produces cement in Indonesia. Engine breakdowns do happen occasionally in raw mill machines in PT X. This study analyzed the cause of occasional breakdowns. The CC-2 raw mill machine had an average operational time of 4.8 days per week and a total breakdown time of 137.76 h. Overall equipment …

Thus, the production of cement involves mining; crushing, and grinding of raw materials (principally limestone and clay); calcining the materials in a rotary kiln; …

Sogut et al. [40] presented their study in twofold, the first one is the investigation the varying dead-state temperatures' effects on the analyses of energy and exergy for Raw Mill in a cement plant, While the second one is the examination of energy and exergy sensitivity analyses results, which calculated due to the varying dead-state ...

In the surveyed cement plant, three balances are established between input and output material in the raw mill, clinker production, and cement grinding system. 2.48 t, 4.69 t, and 3.41 t of materials are required to produce a ton of the product in raw material preparation, clinker production, and cement grinding stages; waste gases account for ...

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 ...

Conclusion This study focused on exergy utilization, exergy balance and irreversibility for a raw mill in the cement industry using the real plant data and literature data. Exergy efficiency of the raw mill studied using Aspen …

This study analyzed the cause of occasional breakdowns. The CC-2 raw mill machine had an average operational time of 4.8 days per week and a total breakdown time of 137.76 h. Overall equipment effectiveness (OEE) analysis revealed an average OEE of 57%, with the performance rate being the most significant influence.

This study investigates the appropriateness of exergy calculation using Aspen Plus Process Simulator which has a robust data library and powerful engineering calculation capabilities. 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 …

Clinker – 11. Finish mill – 12. Cement – 13. Quality control – 14. Packing and distribution – 15. Emission abatement (dust, NO x, SO 2, etc) – 16. Maintenance – 17. Process – 18. Materials analysis –19. Plant capacity summary – 20. Storage capacity 15. Cement plant construction and valuation 244 1. New plant construction – 2.

Sensitivity analysis revealed that the concentration of Cr was the most influential parameter on both carcinogenic (78.5%) and non-carcinogenic (88.06%) risks. ... In this study, the concentration of heavy metals was quantified in five parts of a cement factory, including crusher, raw mill, prep-heater and kiln, cement mill, and packing …

The cement production process has different steps, including (1) grinding and blending raw materials, (2) heating these materials to very high temperatures in the kiln …

This study aims to make energy and exergy analysis of a cement factory in Adana and to realize the cost of energy efficiency, by using the actual operational data. …

Zafer Utlu, Energy and exergy analyses of a raw mill Ziya Sogut, Arif in a cement production Hepbasli, Zuhal Oktay, 2006 Parametric analysis of A case study has been conducted G. V. at a cement factory, Telangana, steam flashing in a Pradeep India with cogeneration plant power plant using Varma T. having flashing technology. waste heat …

Findings The results of the analysis show that the raw mill and the coal mill are critical subsystems of a cement plant from a reliability point of view, whereas the kiln is a critical subsystem ...

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.

In general, the mixing ratio of raw materials determines the quality of raw material and clinker. The paper presents an intelligent control system for raw material proportioning control and quality control based on online composition analysis[1][2][3]. Generally, in the process of proportioning there are three or four kinds of raw materials.

The data of observed factory for the analysis of the parameters influencing the energy usage of a rotary kiln were utilized in the research by Atmaca and Yumrutas. ... that the minimum temperature …

The raw vertical roller mill has four rollers, 3000 KW main drive, 4.8 m table diameter, 2.16 m roller diameter with 330 t/h capacity (made by LOESCHE Company from Germany).

Air Slide Sampler QCX® PSA101/102. We are the supplier of choice for sampling solutions in the cement industry, providing a wide range of powder and granular material automated samplers. We offer a complete product programme, covering all facets of process sampling, from raw material to cement despatch.

Cement vertical mill, also called roller mill, is another raw mill commonly used in cement plants. Compared with the cement ball mill, it has a great difference in structure, grinding principle, process layout, automatic control, and energy consumption, which play an important role in the modern cement industry. High Grinding Efficiency.

Abstract. This article is to introduce the digitization work of smart cement plant in China. To save power and promote the product quality, delicacy management in variety ways of digital transformation is the best tool for the new built, or existing cement plants. New technologies, such as special integrated robots, online equipment ...

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.

The cement clinker manufacturing process can be divided into mill-on and mill-off modes according to the raw mill operating conditions (Li et al., 2019, Zheng et al., 2012). When the raw mill is running during the mill-on mode, the flue gas from the precalciner passes through the raw mill into the dust collector before being emitted.

Bring your cement operation into the future with QCX/BlendExpert™, our advanced quality control software. With cutting-edge tools such as 3D modelling technology, our suite of quality control applications helps you better understand and adapt your raw materials, leading to cost and emissions reductions and big gains in efficiency and productivity.

For the past 2 one-half years, in a cement plant in southern Germany, a single-compartment raw grinding mill (4. 8 m diameter, 10 m length) with preliminary size reduction and air separator drying ...

The results show that approximately 2.48 t, 4.69 t, and 3.41 t of materials are. required to produce a ton of the product in raw material preparation, clin ker production, and cement. grinding ...

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 determined to be 84.3% and 25.2%, respectively. Atmaca and Kanoğlu [17] also studied the raw mill in cement industry. They evaluated the specific energy consumption for farine ...

In order to produce raw materials preparation, clinker and rotary kilns are widely used in cement plants. 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.

In the whole process of cement production, the electricity consumption of a raw material mill accounts for about 24% of the total. Based on the statistics of the electricity consumption of the raw…