Analisa Perbandingan Desain Shell and Tube Heat
Exchanger dan Plate Heat Exchanger untuk Sistem CCCW (Closed Cycle Cooling Water) Unit Pembangkitan Muara Karang Blok I dan Bok II
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
ARDIANSYAH, RIZKY RAHFREZA
Prayudi, Prayudi
Prayudi, Prayudi
Subject
Teknik Mesin
Datestamp
2019-10-09 06:25:18
Abstract :
Muara Karang Generation Unit is located at Jl. Pluit Karang Ayu Barat No.1, RT.12 / RW.3, Pluit, Penjaringan, North Jakarta City, Jakarta Capital Special Region 14450. PLTGU block I consists of 3 GTG (Gas Turbine Generator) units, 3 HRSGs, and 1 STG (Steam Gas Turbine) with installed power of 3 x 108 MW for gas turbines and 1 x 180 MW. While PLTGU block II consists of 2 GTG (Gas Turbine Generators), 2 HRSG (Heat Recovery Steam Generators), and 3 STG (Steam Turbine Generators) with installed power of 2 x 250MW for gas turbines and 3 x 70 MW for steam turbines. One of the most important components in PLTGU is CCCW (Closed Cycle Cooling Water). CCCW is a cooling system for auxiliary components. CCCW at UP Muara Karang utilizes the work function of Shell and tube Heat Exchager (STHE) for Block I and Plate Heat Exchanger (PHE) for Block II. The difference in using Heat Exchanger needs to be examined to find the right answer. The difference in design and heat transfer systems greatly influences the heat transfer calculation. This study analyzes the design comparisons of both heat exchangers with comparative methods. By comparing the calculation results of each design, it can determine what type of heat exchanger design is more effective. As a result STHE has an effectiveness value of 0.7, TTD (Different Temperature Terminal) 0,775 oC and LMTD 2,13 oC which is better than PHE with the effectiveness value 0,6, TTD (Different Temperature Terminals) 3.174 oC and LMTD 3.17 oC, but PHE has a better freshwater output temperature with a difference in value of 32.6 oC with 33.6 oC for STHE in terms of the auxiliary cooling system from STHE, because PHE can be seen from DCA values that are different, namely 3.173 oC for PHE and 4.1 oC for STHE
Muara Karang Generation Unit is located at Jl. Pluit Karang Ayu Barat No.1, RT.12 / RW.3, Pluit, Penjaringan, North Jakarta City, Jakarta Capital Special Region 14450. PLTGU block I consists of 3 GTG (Gas Turbine Generator) units, 3 HRSGs, and 1 STG (Steam Gas Turbine) with installed power of 3 x 108 MW for gas turbines and 1 x 180 MW. While PLTGU block II consists of 2 GTG (Gas Turbine Generators), 2 HRSG (Heat Recovery Steam Generators), and 3 STG (Steam Turbine Generators) with installed power of 2 x 250MW for gas turbines and 3 x 70 MW for steam turbines. One of the most important components in PLTGU is CCCW (Closed Cycle Cooling Water). CCCW is a cooling system for auxiliary components. CCCW at UP Muara Karang utilizes the work function of Shell and tube Heat Exchager (STHE) for Block I and Plate Heat Exchanger (PHE) for Block II. The difference in using Heat Exchanger needs to be examined to find the right answer. The difference in design and heat transfer systems greatly influences the heat transfer calculation. This study analyzes the design comparisons of both heat exchangers with comparative methods. By comparing the calculation results of each design, it can determine what type of heat exchanger design is more effective. As a result STHE has an effectiveness value of 0.7, TTD (Different Temperature Terminal) 0,775 oC and LMTD 2,13 oC which is better than PHE with the effectiveness value 0,6, TTD (Different Temperature Terminals) 3.174 oC and LMTD 3.17 oC, but PHE has a better freshwater output temperature with a difference in value of 32.6 oC with 33.6 oC for STHE in terms of the auxiliary cooling system from STHE, because PHE can be seen from DCA values that are different, namely 3.173 oC for PHE and 4.1 oC for STHE
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