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Farid - Mujayyin
Akademi Komunitas Semen Indonesia
Mechanical Engineering

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PENERAPAN TOTAL PRODUCTIVE MAINTENANCE (TPM) PEMBANGKIT LISTRIK WASTE HEAT RECOVERY POWER GENERATION (WHRPG) Farid - Mujayyin
Nozzle : Journal Mechanical Engineering Vol 11, No 1 (2022): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v11i1.3047

Abstract

Waste Heat Recovery Power Generation (WHRPG) technology is a produces electrical energy technology that from the flue gas from the operation of a cement factory that releases CO2 and converts it into electrical energy in the cement industry. Utilization of the generated electricity can be used as a supply of factory electricity needs such as lighting, equipment and various other facilities. Since 2014-2017 until now, the operation of the WHRPG in the Tuban plant after several times setting hot gas on the conversion system is only able to produce an electricity capacity of 28.6 MW which is still far from the planned capacity target, this requires the right operating strategy to reach a capacity of 30.6 MW of electrical energy. Efforts to increase the production capacity of electricity generation from the utilization of hot flue gas in terms of engine performance readiness aspects of steam power plant technology need to be carried out operational and maintenance planning using application method the inspection, small repair medium repair and overhaul (ISMO). Through total productive maintenance (TPM) technical improvements to WHRPG power plant equipment such as damage to pumps and hot gas settings in boilers and other components, repairs are made to get better performance so that the energy produced can reach 95% at the performance ratio value of capacity predetermined start. It is known and can be improved on the OEE (Overall Effectiveness Equipment) value by implementing total productive maintenance on all power generation equipment so that the combination and maintenance together can increase the production of 30.6 MW of electrical energy can be realized.
PERFORMA MESIN PENGOLAH SAMPAH TPA MENJADI BAHAN BAKAR REFUSE DERIVED FUELS DENGAN METODE SIX SIGMA DMAIC Farid - Mujayyin
Nozzle : Journal Mechanical Engineering Vol 10, No 1 (2021): Nozzle : Journal Mechanical Engineering
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/nozzle.v10i1.2400

Abstract

Teknologi pengolah sampah menjadi RDF (Refuse Derived Fuels) merupakan teknologi eksplorasi potensial material baru, alat tersebut diciptakan untuk memilah, memproses, dan mencacah tumpukan sampah TPA sampai menjadi alternatif bahan bakar. Terdapat mesin shredder pada bagian pengolah RDF yang sering mengalami kerusakan akibat sampah basah yang masuk pada mesin shredder sehingga proses produksi menurun.   Sehingga dibutuhkan peningkatan kinerja mesin shredder untuk meningkatkan laju produksi bahan bakar RDF dengan menerapkan maintenance pada metode Six Sigma DMAIC yang meliputi define menentukan problem yang ada di pengolahan sampah, measure mengukur performa mesin melalui pengecekan standart operation, getaran, suara, kelurusan komponen dan menghitung nilai OEE (overall Effectiveness Equipment) rata-rata efektifitas mesin. Analyze menentukan penyebab utama kerusakan pada mesin pengolah sampah dengan diagram fishbone yaitu pemilahan dan kondisi shredder, Improve menentukan perbaikan-perbaikan dan meningkatan laju produksi RDF. Control memonitor proses manufaktur material sampah masuk ke mesin pengolah sampai pada finishing produk RDF berdiameter 25 mm. Peningkatkan performa pada laju proses produksi RDF dapat ditingkatkan nilai OEE pasca dilakukan perbaikan  sebesar 77,34% sehingga ada kenaikan sebesar 62,34% dari nilai OEE sebelumnya.
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