The fast pyrolysis process is developed to produce liquid bio oil from biomass. In the discussed process the required thermal energy is extracted from a circulating fluidized bed boiler (CFB) as hot sand fed into the pyrolysis reactor. Residual char and uncondensed gases from the pyrolysis process are fed back and combusted in the boiler. Thus, the pyrolysis and the boiler processes are interco...

The use of boiler wood-fired is fairly common equipment utilized in steam generation for energy production in small industries. The boiler activities are considered dangerous and heavy, mainly due to risks of explosions and the lack of mechanization of the process. This study assessed the burden of physical labor that operators of boilers are subjected during the workday. Assessment of these co...

boiler is a closed vessel where the heat of combustion transferred to water until it forms hot steam or steam. The used in PT ANTAM PLTU CFB type, operator at Tbk performs heating value input determine amount coal and air used. analysis effect expected be taken into consideration knowing which different from supplied furnace, viewed side pressure temperature, affects physical boiler, work effic...

This paper addresses the water temperature control in condensing domestic boilers. The main challenge of this process under the controller design perspective is the fact that the dynamics of condensing boilers are strongly affected by the demanded water flow rate. Two approaches are presented in this paper. First, a robust PI controller is designed that stabilizes and achieves good performance ...

The rigorous development and veri cation of a boiler system speci cation is presented. Part I shows how the boiler system controller can be developed in a series of elaboration steps in which variables that directly re ect plant conditions are replaced by variables representing sensed, communicated values. Part II shows how the safety of the system can be assessed by rst verifying safety relati...

This paper presents an approach to control pluggage of a coal-fired boiler. The proposed approach involves statistics, data partitioning, parameter reduction, and data mining. The proposed approach was tested on a 750 MW commercial coal-fired boiler affected with a fouling problem that leads to boiler pluggage that causes unscheduled shutdowns. The rare-event detection approach presented in the...

In this work, multiple model control of a boiler-turbine system is studied. Multiple linear local models are obtained through piecewise linearization. A bank of Kalman filters is constructed using these local models. States and model parameters used for future predictions within the predictive control are updated online through computation of probability density functions. Simulations show that...

Kondensor merupakan suatu alat yang digunakan untuk mengkondensasikan uap dari LP turbine dengan media pendingin air laut dipompakan melalui circulating water pump (CWP). Prinsip kerjanya adalah mengalir diluar pipa-pipa condenser melewati didalam kondensor. Pipa-pipa tersebut terbuat bahan titanium sangat efisien Turbin. Air akan dialirkan tube, sementara Turbin di luar dimana nantinya ini ber...