Analisis unjuk kerja Air Preheater terhadap efisiensi boiler
pada beban yang berb eda di PT. Indonesia Power UJP
Adipala 1x 660 MW
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
BAEHAQI, IMAM
Prayudi, Prayudi
Prayudi, Prayudi
Subject
Teknik Mesin
Datestamp
2019-10-09 06:24:33
Abstract :
In PLTU PT. Indonesia Power UJP Adipala is used heat exchanger (gas with air) which is Air Preheater. The type of APH used is the Tri-sector, Vertical Shaft, Ljungstrom Regenerative. One of the effects of the performance of the boiler is an Air Heating device (water preheater) on the flue gas drain. This air heater (air preheater) is a device that heats the air before entering the combustion chamber. The air before entering the temperature combustion chamber is the ambient temperature. The performance of the Ljungstorm-based Air Heater is to determine the workability of the Air Preheater used in the Unit I of the Central Java 2 Adipala PLTU by referring to the thermal conductance parameters (U) and also the number of transfer units (NTU) for working conditions based on changes in unit load during the operating period with consumption of different coal calorific values for each load. Accompanied by the calculation of the potential processing of exhaust gas energy by using the Air Heater Ljungstorm to increase the thermal efficiency of the unit.
In PLTU PT. Indonesia Power UJP Adipala is used heat exchanger (gas with air) which is Air Preheater. The type of APH used is the Tri-sector, Vertical Shaft, Ljungstrom Regenerative. One of the effects of the performance of the boiler is an Air Heating device (water preheater) on the flue gas drain. This air heater (air preheater) is a device that heats the air before entering the combustion chamber. The air before entering the temperature combustion chamber is the ambient temperature. The performance of the Ljungstorm-based Air Heater is to determine the workability of the Air Preheater used in the Unit I of the Central Java 2 Adipala PLTU by referring to the thermal conductance parameters (U) and also the number of transfer units (NTU) for working conditions based on changes in unit load during the operating period with consumption of different coal calorific values for each load. Accompanied by the calculation of the potential processing of exhaust gas energy by using the Air Heater Ljungstorm to increase the thermal efficiency of the unit.
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