ANALISIS TEMPERATUR PERMUKAAN PIPA SKID PADA TEMPERATUR OPERASIONAL UNTUK MEMPREDIKSI UMUR PIPA SKID REHEATING FURNACE

SETIAWAN, RUDY (2021) ANALISIS TEMPERATUR PERMUKAAN PIPA SKID PADA TEMPERATUR OPERASIONAL UNTUK MEMPREDIKSI UMUR PIPA SKID REHEATING FURNACE. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

In September 2018, the skid pipe in Reheating Furnace HSM#1 occurred a failure or leakage and permanent deformation until the outer layer of the skid pipe peeled due to heat loads. In this final project, the aim of this research is to avoid similar failures in HSM#2. One of the steps to prevent failure is to predict the life of the skid pipe. From the analysis at the time of reheating furnace operates normally, the surface temperature outside the skid pipe is 114,90 °C and the maximum voltage along the span between skid pipe support is 142,64 MPa. Using Larson-Miller method obtained Rupture-Life against the temperature or life of skid pipes can reach up to 6,55 years. This result can be used a reference for the replacement of skid pipes. From the history of skid pipe replacement, an average of every 7,86 years replacement in carried out. However, such replacement of some skid pipes carried out after failure or deformation. Furthermore, calculations carried out with one of the factors that can affect changes in the temperature of skid pipes, one of which is castable refractory Licofest PL 370 construction. In this case, there is a relatively low-temperature difference, but it has a considerable influence on determining the life of the material. Keywords: Reheating Furnace, Stress Analysis, Skid, Temperature, Rambat Panas, Allowable Stress, Larson-Miller Parameter, Rupture-Life Pada bulan September 2018, pipa skid pada Reheating Furnace HSM#1 terjadi suatu kegagalan atau kebocoran dan deformasi permanen hingga terjadi pengelupasan pada lapisan luar pipa skid akibat beban panas. Pada tugas akhir ini, penelitian yang dilakukan bertujuan untuk menghindari kegagalan yang serupa pada HSM#2. Salah satu langkah untuk mencegah terjadinya kegagalan yaitu dengan memprediksi umur pakai pipa skid. Dari hasil analisis pada saat reheating furnace beroperasi normal, didapat temperatur permukaan luar pipa skid sebesar 114,90 °C dan tegangan maksimum di sepanjang span antar support pipa skid sebesar 142,64 MPa. Dengan menggunakan metode Larson-Miller Parameter didapat Rupture-Life terhadap temperatur atau umur pakai pipa skid dapat mencapai hingga 6,55 tahun. Hasil ini dapat dijadikan acuan untuk dilakukannya penggantian pipa skid. Dari histori penggantian pipa skid, rata-rata setiap 7,86 tahun dilakukan penggantian. Namun, penggantian tersebut dari beberapa pipa skid dilakukan setelah mengalami kegagalan atau deformasi. Selanjutnya dilakukan perhitungan dengan salah satu faktor yang dapat mempengaruhi perubahan temperatur pipa skid salah satunya konstruksi castable refractory Licofest PL 370. Pada kasus ini terlihat selisih temperatur yang relatif rendah, namun memiliki pengaruh yang cukup besar pada penentuan umur pakai material. Kata Kunci: Reheating Furnace, Stress Analysis, Skid, Temperature, Rambat Panas, Allowable Stress, Larson-Miller Parameter, Rupture-Life

Item Type: Thesis (S1)
NIM/NIDN Creators: 41318120038
Uncontrolled Keywords: Reheating Furnace, Stress Analysis, Skid, Temperature, Rambat Panas, Allowable Stress, Larson-Miller Parameter, Rupture-Life
Subjects: 300 Social Science/Ilmu-ilmu Sosial > 380 Commerce, Communications, Transportation (Perdagangan, Komunikasi, Transportasi) > 388 Ground Transportation/Transportasi Jalan Raya > 388.5 Pipeline Transportation/Transportasi Pipa
600 Technology/Teknologi > 690 Buildings/Teknik Bangunan
600 Technology/Teknologi > 690 Buildings/Teknik Bangunan > 696 Energy and Environmental of Building/Pengaturan Energi dan Lingkungan Sekitar Bangunan
600 Technology/Teknologi > 690 Buildings/Teknik Bangunan > 696 Energy and Environmental of Building/Pengaturan Energi dan Lingkungan Sekitar Bangunan > 696.1 Plumbing/Pemasangan Pipa Ledeng
Divisions: Fakultas Teknik > Teknik Mesin
Depositing User: Dede Muksin Lubis
Date Deposited: 29 Dec 2021 03:42
Last Modified: 29 Dec 2021 03:42
URI: http://repository.mercubuana.ac.id/id/eprint/53105

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