Evaluasi Kinerja Unit Crushing Plant Batu Andesit pada PT Silva Andia Utama di Desa Giri Asih, Kecamatan Batujajar, Kabupaten Bandung, Provinsi Jawa Barat

Abstract

Abstract. PT Silva Andia Utama is a company engaged in the field of andesite stone mining located in the hills of Mount Padakasih, Pasir Paku Village, Giri Asih Village, Batujajar Subdistrict, Bandung Regency, West Java Province is a company engaged in the mining of industrial excavation materials namely rock andesite with a production target of 160 tons / hour, mining activities carried out by means of blasting which then transported by Dump Truck Mistsubishi Fuso 220 PS type FN 527 ML to be sent to crushing plant unit for processed size reduction. Andesit processing in PT Silva Andia Utama crushing plant unit consists of two stages namely primary crushing and secondary crushing. The tools used are 1 unit of primary crushing (Jaw Crusher) and 1 unit of secondary crushing (Cone Crusher). In addition to the Crushing tool, andesit processing unit is also supported by supporting tools such as hopper, grizzly feeder, vibrating screen and belt conveyor. The processing range produces a stone ash product (+ 0-0.7 cm), Split 2 (+ 0.7-1.1 cm), and Split 1 (+1.1-2.8 cm), Another is sirtu who has undergone screening before going into primary crushing.

Keywords : Production, Efficiency, Produkta, Primary Crushing, Secondary Crushing, Jaw Crusher, Cone Crusher.

 

Abstrak. PT Silva Andia Utama merupakan perusahaan yang bergerak dalam bidang pertambangan batu andesit berlokasi di komplek perbukitan Gunung Padakasih, Kampung Pasir Paku, Desa Giri Asih, Kecamatan Batujajar, Kabupaten Bandung, Propinsi Jawa Barat adalah sebuah perusahaan yang bergerak di bidang pertambangan bahan galian industri yaitu batuan andesit dengan target produksi 160 ton/jam, aktivitas penambangan yang dilakukan dengan cara peledakan yang kemudian diangkut menggunakan Dump Truck Mistsubishi Fuso 220 PS type FN 527 ML untuk dikirim ke unit crushing plant  untuk diproses reduksi ukuran. Pengolahan andesit di unit crushing plant PT Silva Andia Utama ini terdiri dari dua tahap yaitu primary crushing dan secondary crushing. Alat yang digunakan antara lain ialah 1 unit primary crushing (Jaw Crusher) dan 2 unit secondary crushing (Cone Crusher). Selain alat Crushing, unit pengolahan andesit ini juga didukung alat penunjang yaitu hopper, grizzly feeder, vibrating screen dan belt conveyor. Rangkaian pengolahan tersebut menghasilkan produkta berupa abu batu (+0-0,7 cm), Split 2 (+0,7–1,1 cm), dan Split 1 (+1,1–2,8 cm), selain itu produkta lainnya ialah sirtu yang telah mengalami screening sebelum masuk ke primary crushing.

Kata Kunci  : Produksi, Effisiensi, Produkta, Primary Crushing, Secondary Crushing, JawCrusher, Cone Crusher.