Boiler plant, schematic diagram

Figure 3.33 presents the possible inner setup of an ideal heat engine in more detail (Fig. 3.33a) as well as the strongly simplified schematic diagram of a thermal power plant (Fig. 3.33b). In the case of such a plant, the energy Pf) (= PFuse) is used which is gained during the transfer of entropy from the steam boiler to the cooling tower. The entropy itself is generated in the boiler by consumption of energy Wi.

The current producers of partial oxidation processes are BASF, Texaco, Shell, and Hydrocarbon Research. A process block diagram showing the three process steps can be seen in Figure 2.18 [30]. The first step is the gasification process with the addition of oxygen and water. A detailed schematic of the Shell Gasification plant (SGP) is shown in Figure 2.19 [28]. The most important features of the process are the reactor, waste-heat-boiler, carbon catcher,... 

Figure 11.3 is a schematic of a steam power plant and Fig. 11.4 is the P-Fq diagram for the widely used Rankin engine cycle. The pump takes water exiting the condenser at temperature (Zj) and pressure (Pj) and raises the pressure to P at, essentially, a constant temperature [from point (1) to point (2) in Fig. 11.4]. The water is vaporized and, possibly, superheated to temperature (Z2) at, essentially, a constant pressure (P2) [from point (2) to point (3) in Fig. 11.4] in the boiler and superheater...

The Hitachi process, which has been described in considerable detail by Tamura (1970), uses a somewhat more complex gas-contacting arrangement. A schematic flow diagram of the process as employed in a 55 MW pilot plant is shown in Figure 7-39. The plant processes a portion of the flue gas from a 350 MW boiler. A slipstream of gas is removed from the boiler flue duct after the preheater, cleaned of dust, passed through the adsorption beds, and returned to the boiler stack-gas line. At any time in the cycle, four of the carbon beds are... 

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