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Product Thermal Capacity: 1 - 20 t/h
Working Pressure: 0.7 - 2 Mpa
Product Thermal Capacity: 20 - 110 t/h
Working Pressure: 1.25 - 5.3 Mpa
Product Thermal Capacity: 2 – 20t/h
Working Pressure: 1 - 2.5 MPA
Product Thermal Capacity: 4 - 35 t/h
Working Pressure: 1.0 - 2.5 MPA
Once the turbine has been split into spools, it is possible to introduce a second combustion stage to reheat the air between the high-pressure and the low-pressure spool of the power turbine, as shown in Figure 4.5. Reheating increases turbine efficiency in the same way as for a steam turbine by optimising power turbine and gas flow conditions.
STEAM TURBINE THREE CASING, DOUBLE-FLOW LP SECTION, COMBINED CYCLE STEAM TURBINE The D650 is GE’s highest-performing combined cycle steam turbine and delivers the reliability and availability needed in today’s demanding energy environment. It is ideally suited for 50 Hz and 60 Hz H-class and F-class gas turbine power plants that have
Structured Steam Turbines for the Combined-Cycle Market GE Power Systems GER-4201 (05/01) 2 STAG plant 207FA 209FA Casings 22 HP Stages 11 10 IP Stages 78 LP Stages (per flow) 55 RPM 3600 3000 LSBs 30 in. 33.5 in. 33.5 in. 42 in. 40 in. Table 1. Structured D-11 configurations Figure 2: Effect of Hot Reheat Pressure on Steam Turbine Output-0.4-0
high pressure turbine is direct ed to a reheater, which produces drive gas for the lower pressure turbines, as well a s gener ating stea m, and heating the HP nitrog en str eam fr om the ASU. The
10-77: Consider a cogeneration power plant modified with regeneration. Steam enters the turbine at 9 MPa and 400C and expands to a pressure of 1.6 MPa. At this pressure, 35 percent of the steam is extracted from the turbine, and the remainder expands to 10 kPa. Part of the extracted steam is used to heat the feedwater in an open feedwater heater.
User rating: 100/100 A steam turbine is a device that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884.. The steam turbine is a form of heat engine that derives much of its improvement in thermodynamic efficiency from the use of multiple stages in the expansion of the steam, which results in
The Rankine cycle was named after him and describes the performance of steam turbine systems, though the theoretical principle also applies to reciprocating engines such as steam locomotives.In general, the Rankine cycle is an idealized thermodynamic cycle of a constant pressure heat engine that converts part of heat into mechanical work. In this cycle the heat is supplied externally to a
File Size: 1MB Steam enters the high-pressure turbine of a steam power plant that operates on the ideal reheat Rankine cycle at 800 psia and 900°F and leaves as saturated vapor. Steam is then reheated to 800°F before it expands to a pressure of 1 psia. Heat is transferred to the steam in the boiler at a rate of 6 × 10 4 Btu/s. Steam is cooled in the
steam turbine. Such combined -cycle power plants are capable of achieving electric generation efficiencies of over 50 percent. For large industrial CHP applications, an extraction -condensing type of steam turbine can be used in a combined cycle plant with the steam turbine extracting a portion of the steam for process use.
The NGCC power plant illustrated in Fig. 11.2 is a combination of two ther- modynamic cycles, a Brayton cycle and a Rankine cycle (Rackley, 2010).This produces a higher thermal efficiency. The Brayton cycle is an open cycle that uses air and exhaust gases as working fluids and consists of a compressor, a combustor and a turbine.
The power and heat produced, starting with 1 t/hr of biomass, are: E-power GT only / total Heat GT only / total Flash pyrolysis – Gas Turbine System description Pyrolysis oil (PO) is used as a small gas turbine in combination with a heat recovery steam generator (HRSG) and steam turbine. The steam system is identical to that of figure
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