Steam power plant schematics

More commonly, utility plants (e.g., the steam power plant and cooling-water system) are considered separately from the rest of the process. This is shown schematically in Figure 9.4, where the process is divided into three systems. The benzene-mixed xylenes plant is sufficiently complex that it is advisable to divide it into a reaction section and a separation section, as shown in Figure 9.5. Any individual operation in the process - for example, fractionator C-2 - can be the system and everything else the surroundings. Finally, a portion of a single operation can be the system - for example, one tray in fractionator C-2. 

Figure 43.24 shows a schematic of a steam-fluidized bed dryer with combined generation of power and heat. In a conventional coal-fired power plant, up to two thirds of fuel energy is lost since the latent heat of turbine exhaust steam is dissipated unused to the cooling water because of its low temperature level. In DWT process, the latent heat can be used to dry the input coal. Figure 43.24 shows a coal-fired power plant schematic with a circulating fiuid-bed... 

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 cycles considered so far in this chapter are power cycles. However, there are applications in which Rankine cycles are used for the combined supply of power and process heat. The heat may be used as process steam for industrial processes, or steam to heat water for central or district heating. This type of combined heat and power plant is called cogeneration. A schematic cogeneration plant is illustrated in Fig. 5.19. A different schematic cogeneration plant is illustrated in Fig. 5.20. 

Fig. 6. Simplified schematic layout of a classic geothermal power plant. The main escape routes for steam are from the cooling tower and gas ejectors, which are located just downstream from the turbine.

Direct steam is also referred to as dry steam. As the term implies, steam is routed directly to the turbines, thus eliminating the need for the boilers used by conventional natural gas and coal power plants. Fig. 4 shows a schematic of a direct steam cycle power... 

A schematic diagram of a nuclear power plant. The energy from the fission process is used to boil water, producing steam for use in a turbine-driven generator. Cooling water from a lake or river is used to condense the steam after it leaves the turbine. 

The EECP project will be located adjacent to an existing power plant owned by WMPI in Gilberton, Pennsylvania. It will process 4,700 tons per day of eastern Pennsylvania anthracite coal waste (culm) to produce 3,732 barrels per day (b/d) of upgraded CTE diesel, 1,281 b/d of stabilized CTE naphtha, and 39 MW of electric power for export. Other products will include steam and sulfur. The gross plant efficiency is estimated to be 45% (5). A schematic flow diagram of the EECP is shown in Figure 2. 

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 USE OF ENGINEERING FEATURES AND SCHEMATIC SOLUTIONS OF PROPULSION NUCLEAR STEAM SUPPLY SYSTEMS FOR FLOATING NUCLEAR POWER PLANT DESIGN... 

Figure X-1 presents a schematic diagram of the VKR-MT power unit. Figure X-1 shows only heat exchangers of the systems of district heating and industrial steam production. Heat exchangers of the intermediate circuit of a district heating system are not shown. The steam turbine plant has no such potentially non-reliable components as high-pressure heaters or low pressure reheaters of steam, which contributes to its high reliability. The reduction of moisture in steam at turbine outlet down to an acceptable level is accomplished by the use of two-stage steam separation and by the separation devices located inside the turbine.

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