Analisa Pengaruh Ukuran Partikel terhadap Patahan Gritcone pada Vertical Roller Mill Dengan Simulasi Explicit Dynamic (Ls-Dyna)

Muhammad Arsyad Putra Pratama, Mas Irfan P Hidayat, Rochman Rochiem
Submission Date: 2017-01-23 07:04:38
Accepted Date: 2017-03-17 10:12:43

Abstract


Polysius vertical roller mill (Polysius VRM) adalah alat penggiling yang digunakan di PT Holcim Indonesia Tuban Plant untuk menggiling batu bara yang digunakan sebagai bahan bakar kiln pada tahap produksi semen. Pada pengoperasiannya sering terjadi kegegalan pada bagian Gritcone. Komponen ini mengarahkan batu bara yang ukurannya tidak sesuai lolos penyaringan oleh separator kembali ke grinding table untuk digiling kembali. Dengan menggunakan simulasi Explicit Dynamuc Ls- Dyna melalui software ANSYS dapat diketahui ketebalan Gritcone setelah satu siklus. Pada simulasi kali ini diperoleh ketebalan gritcone setelah satu kali siklus dengan hasil sebagai Ketebalan gritcone minimum pada Persebaran 75 % dan 100 % adalah 0.00998403 m dan 0.00999324 m. Ketebalan gritcone maksimum pada Persebaran 75 % dan 100 % adalah 0.00998715 m dan 0.0099775 m.

Keywords


Desain, Grit Cone, Batu Bara, Polysius Vertical Roller Mill, Holcim, Expilicit Dynamic Ls Dyna, ANSYS

References


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