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Hendradinata , Hendradinata
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Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Analisis Umur Pakai Oli Pada Fan PLTU Tanjung Enim 3x10 MW Vernando, Deby; Hendradinata , Hendradinata; Putri, Fenoria; Utami, Ogi Meita; Medi, Ali
MACHINERY Jurnal Teknologi Terapan Vol. 6 No. 1 (2025): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.14942716

Abstract

One of the boiler auxiliaries for the running of the production process is the fan. The fan acts as a primary and secondary air supply and as a vacuum cleaner for the remaining ash when the boiler burns and is discharged into the atmosphere. In this fan often occurs over heat (over heat) one of the causes is the decline in oil quality. Lack of attention to the lubrication system if allowed to continue will experience over heat in the fan which will cause damage to the fan, especially the bearing due to the decrease in oil viscosity caused by operating hours and temperatures that affect the oil in the fan. The data obtained will be processed and analyzed with a Quantitative to see the effect of running hours and temperature on the kinematic viscosity of oil samples. From this study with a test of 40 ° C obtained results at 0 hours (92.88 cSt), 1923 hours (57.94 cSt), 2012 hours (53.26 cSt), 2195 hours (46.82 cSt), 2202 hours (44.75 cSt), 2207 hours (43.26 cSt). From the results of this study, running hours greatly affect the kinematic viscosity value and temperature treatment of oil affects the kinematic viscosity along with the increase in running hours
ANALISA EFISIENSI THERMAL BOILER TIPE CIRCULATION FLUIDIZED BED DI PLTU 3x10MW Jihan Syalsabila; Hendradinata , Hendradinata; Fenoria Putri; Safe’i, Safe’i; Siproni, Siproni; HB, Indra
MACHINERY Jurnal Teknologi Terapan Vol. 4 No. 3 (2023): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.10122406

Abstract

The need for electrical energy is increasing with economic growth. One of the government's efforts to increase electricity production is with the existence of Steam Power Plants. Boiler or steam generator a tool utilized to generate steam which consists of two important components, namely a heating system to generate heat from burning fuel and a system that converts water into steam. The percentage of boiler performance is the percentage of energy absorbed by the steam boiler with fuel input energy. Boiler performance greatly affects the performance of a PLTU where the use of fuel affects the steam produced. This research was carried out using the direct method by taking daily boiler log sheet data for 2 months, namely April and May, using coal calorific values, namely 5615 kcal/kg and 5654 kcal/kg. The results, the highest boiler efficiency was 55.95% with a calorific value of 5654 coal while the lowest boiler efficiency was 36.29% with a calorific value of 5615 kcal/kg. From the results obtained, it can be concluded that the steam flow rate is not constant and the excessive use of fuel causes boiler efficiency to experience conditions that are not optimal. The calorific value of coal is affected by the water content contained in the coal. The higher the water content, the more energy is required for the coal burning process.
Co-Authors Ali Medi Fenoria Putri HB, Indra Jihan Syalsabila Putri, Fenoria Safe’i, Safe’i Siproni, Siproni Utami, Ogi Meita Vernando, Deby