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Steam Power Plants (PLTU) play a strategic role in meeting Indonesia's electricity needs, particularly through the utilization of coal as the primary energy source. This report focuses on the analysis of preventive maintenance applied to the Coal mill (pulverizer) Unit 2 at PLTU Keban Agung, Lahat, aiming to prevent damage and enhance operational efficiency. The MPS-160 HP type mill is used to grind coal into micro-sized particles suitable for combustion.Preventive maintenance procedures include routine tasks such as visual inspections, lubrication, cleaning, and tightening of components. During the process, issues such as hydraulic pipe leaks and other component malfunctions were identified and promptly addressed to prevent further impact. Preventive maintenance has proven effective in minimizing the risk of unplanned downtime, supporting sustainable production, and improving PLTU efficiency. The operational principle of the Coal mill (pulverizer) involves grinding coal between a grinding roller and a grinding table, aided by airflow from the Primary Air Fan to produce coal powder with a 200-mesh size, ready for combustion in the burner. In conclusion, preventive maintenance is essential for maintaining equipment performance, reducing potential damage, and ensuring smooth PLTU operations.
Keywords: Preventive Maintenance, PLTU Priamanaya Energi, Coal mill (pulverizer)
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Referensi
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[1]. Faturohman A. 2023. Laporan Kerja Praktik Corrective Maintenance Pada Medium Speed Mill 2A Tipe HP963 di PLTU Banten 2 Labuan PGU. Jurusan Teknik Mesin. Universitas Sultan Ageng Tirtayasa. Banten.
[2]. Adolph R. 2016. Pulverizer Boiler System. 1–23.
[3]. Purnomo S. 2018. Introduction Training Modul Boiler PT. Priamanaya Energi PLTU Keban Agung (2 x 135 MW) Lahat, Sumsel.
[4]. Prasetya HEG. 2021. Sistem Pengendalian Pada Pembangkit Listrik Tenaga Uap (PLTU) Menggunakan Metode Plantwide Control. Setrum. 10(1): 49–64.
[5]. Wahyudi B. 2019. Analisis Efisiensi Turbin Uap terhadap Kapasitas Listrik Pembangkit. Jurnal Teknik Elektro. 2-9(2): 33–36.
[6]. Lubis I, Iqbal P. 2010. Evaluasi Kinerja Generator di PLTU BTG PT Semen Tonasa. Tugas Akhir. Jurusan Teknik Mesin. Politeknik Negeri ujung Pandang. Makassar.
[7]. Ansori EF. 2017. Analisis Termodinamika Pengaruh Operasi Feedwater Heater pada Performa PLTU 3 Bangka Belitung menggunakan Software Cycle Tempo. Tesisi. Program Magister Bidang Keahlian Rekayasa Konversi Energi. Jurusan Teknik Mesin. Institut Teknologi Sepuluh Nopember.
[8]. MPS160HP-II Mill for Indonesia PT Priamanaya Energi PLTU Keban Agung-Lahat 2X135 MW Coal-fired Plant Project Instruction Changchun Generating Equipment Group, 2011.
[9]. Lukas NS. 2017. Laporan Kerja Praktik Anal. SKKTR Serta Pemeliharaan Hardware dan Software di Dinas Pemodalan dan PerIzinan Kota Yogyakarta. 53(9): 1689–1699.
Referensi
[2]. Adolph R. 2016. Pulverizer Boiler System. 1–23.
[3]. Purnomo S. 2018. Introduction Training Modul Boiler PT. Priamanaya Energi PLTU Keban Agung (2 x 135 MW) Lahat, Sumsel.
[4]. Prasetya HEG. 2021. Sistem Pengendalian Pada Pembangkit Listrik Tenaga Uap (PLTU) Menggunakan Metode Plantwide Control. Setrum. 10(1): 49–64.
[5]. Wahyudi B. 2019. Analisis Efisiensi Turbin Uap terhadap Kapasitas Listrik Pembangkit. Jurnal Teknik Elektro. 2-9(2): 33–36.
[6]. Lubis I, Iqbal P. 2010. Evaluasi Kinerja Generator di PLTU BTG PT Semen Tonasa. Tugas Akhir. Jurusan Teknik Mesin. Politeknik Negeri ujung Pandang. Makassar.
[7]. Ansori EF. 2017. Analisis Termodinamika Pengaruh Operasi Feedwater Heater pada Performa PLTU 3 Bangka Belitung menggunakan Software Cycle Tempo. Tesisi. Program Magister Bidang Keahlian Rekayasa Konversi Energi. Jurusan Teknik Mesin. Institut Teknologi Sepuluh Nopember.
[8]. MPS160HP-II Mill for Indonesia PT Priamanaya Energi PLTU Keban Agung-Lahat 2X135 MW Coal-fired Plant Project Instruction Changchun Generating Equipment Group, 2011.
[9]. Lukas NS. 2017. Laporan Kerja Praktik Anal. SKKTR Serta Pemeliharaan Hardware dan Software di Dinas Pemodalan dan PerIzinan Kota Yogyakarta. 53(9): 1689–1699.