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ITS » Undergraduate Theses » Teknik Fisika Ekstensi S1
Posted by tondoindra@gmail.com at 01/12/2011 16:02:27  •  1772 Views


STUDI PERFORMANSI SISTEM PENGENDALIAN TEMPERATURE RELIABILITY DAN SAFETY PADA HEAT EXCHANGER PT. PETROWIDADA GRESIK

PERFORMANCE STUDY OF CONTROL SYSTEM TEMPERATURE RELIABILITY AND SAFETY ON HEAT EXCHANGER PT. PETROWIDADA GRESIK

Author :
Armanda, Novan Yudha ( 2409105032 )




ABSTRAK

Heat Exchanger HT-3120 merupakan plant yang berfungsi untukmenaikkan temperatur Ortho-Xylene. Agar proses bisa berjalan denganaman sistem pengendalian harus dapat mengontrol dengan baik dansistem proteksi harus memiliki tingkat keamanan yang mencukupi.Pada proses perpindahan panas tersebut diharapkan temperatur dari Ortho-Xylene sesuai dengan yang diharapkan yakni sebesar 140 oC dimana temperatur awal Ortho-Xylene sebesar 30 oC Maka dari itudiperlukan suatu pengendalian yang handal agar dapat menjagatemperatur dari Ortho-Xylene dengan memanipulasi laju aliran dari steam. Maka dalam tugas akhir ini dilakukan suatu simulasi yangterintegrasi antara proses sistem pengendalian dan sistem proteksi dari model yang telah didapatkan. Dari hasil simulasi didapatkan bahwa untuk sistem pengendalian temperatur memiliki Mp 3101 ts 1165detik dan Ess 01. Ketiga parameter tersebut mewakili performansi dari sistem kontrol temperatur. Perhitungan PFD total dari sistem pada saat Ti8760 jam atau 1 tahun yakni 081373 sedangkan pada saat Ti83712 jam yakni 633429 sistem yang saat ini tersedia di heat exchanger HT-3120 dikategorikan sebagai sistem yang mempunyai SIL1.


ABSTRACT

HT-3120 Heat Exchanger is a plant that serves to raise the temperature of Ortho-Xylene. In order for the process can run safelythe control system must be able to properly control and protection systems must have an adequate level of security. In the heat transfer process is expected temperatures of Ortho-Xylene as expected amounting to 140 oC in which Ortho-Xylene initial temperature of 30 oC. Therefore we need a reliable control in order to maintain the temperature of the Ortho-Xylene by manipulating the flow rate of steam.So in this final task carried out a simulation of integrated processes systems control and protection system of the model has been obtained. From the simulation results obtained that for the temperature control system has a Mp 31.01 ts 1165 sec and Ess 0.1. These three parameters represent the performance of temperature control systems.Calculation of the total PFD of the system at Ti 8760 hours or 1 yearwhich is 0.81373 while at Ti 83712 hours which is 6.33429 thesystem is currently available in the heat exchanger HT-3120 system that has categorized as SIL 1.



KeywordsHeat Exchanger; Ortho-Xylene; Temperature; Probability Failure of Demand (PFD); Safety Integrity Level (SIL).
 
Subject:  Kontrol, Teori
Contributor
  1. Ir. Ronny Dwi Noriyati M.Kes
  2. Imam Abadi ST, MT
Date Create: 05/08/2011
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-Undergraduate-3100011044161
Collection ID: 3100011044161
Call Number: RSF 629.89 Arm s


Source
Undergraduate Theses,Physics Engineering,RSF 629.89 Arm s,2011

Coverage
ITS Community

Rights
Copyright @2011 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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  1.  ITS-Undergraduate-16479-2409105032-abstract-idpdf.pdf - 178 KB
  2.  ITS-Undergraduate-16479-2409105032-abstract-enpdf.pdf - 176 KB
  3.  ITS-Undergraduate-16479-2409105032-conclusionpdf.pdf - 186 KB
  4.  ITS-Undergraduate-16479-2409105032-paperpdf.pdf - 563 KB




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