Primadhani, Latifa Chusnul (2025) Evaluasi Neraca Massa dan Neraca Panas di Raw Mill. Project Report (Praktek Kerja Lapang dan Magang). UPN Veteran Jawa Timur.
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Abstract
Raw Mill is an essential unit in cement manufacturing that functions to grind, dry, and mix raw materials into fine raw meal before the subsequent production stages. This study aimed to evaluate the mass and heat balances of the Raw Mill unit at PT Solusi Bangun Indonesia Tbk, Cilacap Plant, to determine the mass balance condition, heat losses, and thermal efficiency of the system. The evaluation was conducted using operational data obtained from the Central Control Room (CCR) on June 9, 2025. The mass balance calculation was performed by comparing the total mass flow rates entering and leaving the system, while the heat balance calculation was used to determine the total heat input, heat output, and heat loss. The results showed that the mass balance was balanced, with total mass flow rates of 503,569.50 kg/h for both the input and output streams. However, the heat balance was not fully balanced, with a total heat input of 1,127,279.197 kcal/h and a total heat output of 1,055,117.495 kcal/h. The resulting heat loss was 72,161.70194 kcal/h, equivalent to 6.40% of the total heat input. Based on these results, the thermal efficiency of the Raw Mill was calculated to be 93.60%. These findings indicate that the Raw Mill system has relatively good thermal performance, although heat losses still occur during operation. Therefore, further optimization of hot gas utilization and heat loss reduction is necessary to improve energy efficiency and support stable raw meal production.
| Item Type: | Monograph (Project Report (Praktek Kerja Lapang dan Magang)) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Latifa Chusnul Primadhani | ||||||||
| Date Deposited: | 13 Oct 2026 03:22 | ||||||||
| Last Modified: | 13 Oct 2026 07:44 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/60567 |
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