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Frans Maduma Wijaya Malau
Jurusan Teknik Pertambangan, Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua
Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering

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PRODUKSI CRUSHING PLANT PT PULAU LEMON KABUPATEN MANOKWARI Frans Maduma Wijaya Malau; Hendri P. Perangin-Angin
INTAN Jurnal Penelitian Tambang Vol. 3 No. 2 (2020): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (610.346 KB) | DOI: 10.56139/intan.v3i2.62

Abstract

PT. Pulau Lemon is a mining company especially in gravel quarry. Along with the existence of a project undertaken by the company, the demand for gravel material experiences instability (fluctuation). Therefore, it is necessary to plan the production of gravel well and evaluate the performance of the Crushing Plant. To evaluate the performance of the Crushing Plant, the calculation of the tool capacity, the value of the reduction ratio, tool recovery and work efficiency is carried out. The production plan only refers to the sales history of the last 4 years then averaged over the number of working days. Based on these calculations, it is known that the material intake is 183.43 tons/day, with a hopper capacity of 32.41 tons and a feeder capacity of 244 tons/hour. Crusher 1, 2, and 3 capacities are 502.21 tons/hour, 290.93 tons/hour, and 245.52 ton /hour respectively. The capacity of Conveyor 1 (rock ash) belt is 40.21 tons/day, Conveyor 2 (0.5 - 1 cm) is 35.01 tons/day, Conveyor 3 (1 - 2 cm) is 22.85 tons/day, and Conveyors (2 - 3 cm) of 28.96 ton /day. The value of Jaw Crusher 1 Reduction Ratio is 10.83, Jaw Crusher 2 Reduction Ratio is 5.20, Jaw Crusher 3 Reduction Ratio is 8.8, and Jaw Crusher 4 Reduction Ratio is 8.8. The recovery value at processing time is 69%, and the optimum work efficiency is 54%. The production plan obtained was 1,986.68 tons/day.
Co-Authors Hendri P. Perangin-angin