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ITS » Paper and Presentation » Teknik Mesin Kerjasama PT PLN (Persero)
Posted by aprill@is.its.ac.id at 17/09/2014 19:08:10  •  1044 Views


RE-DESIGN HRSG PLTGU BLOK II UNIT 3 WITH HEAT TRANSFER ANALYSIS BY TOTAL VARIATION FIN TUBE and EFFECT OF TOTAL ACTIVE PIPE in PT PJB UP GRESIK

Author :
PURBANDONO, DHIMAS ADI ( 2110038018 )




ABSTRAK

HRSG PTLGU blok II unit 3 adalah salah satu alat fital dalam suatu sistem pembangkit listrik PLTGU Pembangkit Listrik Tenaga Gas dan Uap. HRSG blok II unit 3 memiliki fungsi memanaskan air dengan menggunakan sisa gas buang flue gas yang berasal dari sistem gas turbin. Oleh karena itu jika terjadi sebuah gangguan fungsi atau kerusakan pada HRSG ini akan berakibat fatal terhadap suatu operasional pembangkit listrik karena dapat menurunkan efisiensi performansi dari suatu sistem. Hasil dari perhitungan aktual didapat daya total steam turbin adalah 4289 MW serta efisiensi HRSG 475. Dan hasil yang didapatkan dari tugas akhir redesain ini adalah dimensi optimal pada tiap heat exchanger akibat dari variasi jumlah sirip. Pada HP Superheater dilakukan pengurangan jumlah sirip 30 HP Evaporator dikurangi 40 HP Economizer Skunder dikurangi 40 LP Evaporator ditambahkan sirip 60 serta penambahan diameter sirip 20 HP Economizer Primer dikurangi 875 LP Economizer dikurangi 975 dan Preheater dikurangi 50. Dengan variasi jumlah sirip ini didapatkan dimensi baru yang optimal untuk konfigurasi PLTGU 1-1-1 dan pembebanan normal gas turbin 90MW.


ABSTRACT

HRSG PTLGU block II unit 3 is one of the vital equipment in a combined cycle power generation system Power Plant Gas and Steam. HRSG block II unit 3 has a function heats water using the rest of the exhaust gas flue gas from the gas turbine system. Therefore in the event of a malfunction or damage to the HRSG will be fatal to an operational power plant because it can decrease the efficiency performance of a system. The result of actual calculation is steam turbine power 4289 MW HRSG efficiency 475. And the results obtained from the final project design is re-optimized for each dimension of the heat exchanger due to variation in the number of fins. HP superheater reduction of the number of fins 30 40 reduced evaporator HP HP Secondary economizer reduced 40 LP Evaporator added fin 60 and also added diameter of fins 20 HP economizer primer reduced 87.5 LP economizer reduced 97.5 and preheater reduced 50 . By varying the amount of the new dimension of fins is obtained for the optimal configuration of Combined Cycle Power Plant 1-1-1 and normal load 90MW gas turbines.



Keywordsre-design; HRSG; Heat Exchanger; metode LMTD
 
Subject:  Heat-transmisi
Contributor
  1. Ir. Joko Sarsetiyanto, MT
Date Create: 17/09/2014
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-paper-21021140005139
Collection ID: 21021140005139
Call Number: RSM 621.402 2 Pur r


Source
Presentations, Chemical Engineering, RSM 621.402 2 Pur r, 2014

Coverage
ITS Community

Rights
Copyright @2014 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




[ Download - Open Access ]

  1.  ITS-paper-31528-2110038018-Presentation.pdf - 3556 KB




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