The feed pump brings high pressure liquid to the boiler for heating to the saturation temperature. From economic point of view, the effect of condensate extraction pump redundancy on net present value is observed to be sensitive than boiler feed pump redundancy. So combined cycle power plants are . Elements or Components of Condensing Plant: A Condensing Plain consists of eight major elements, those are listed below: Condenser. The condensate extraction pump is used to do the initial part that draws the condensate under vacuum from the condenser hot well with some positive pressure at the discharge. Disclosed herein is an apparatus for reaction vessel power control of a steam turbine power generation system including a reaction vessel (101), a high-pressure turbine (106) to which steam is supplied from the reaction vessel (101) through a main steam pipe (102), a low-pressure turbine (111) to which the steam discharged from the high-pressure turbine (106) is supplied via a moisture . Meanwhile the exhaust steam coming from the turbine is at a low pressure, the Air Cooled Condenser works at pressure as vacuum to avoid the . In brief, Air Extraction Pump. . These pumps have FIVE stages and since the suction is at a negative pressure, special arrangements have been made for providing sealing. The condensate pump sucks water from the . . It converts water into steam. Flexibly coupled, electrically driven horizontal foot-mounted single-stage (KO), double-stage (2KO) or three-stage (3KO) end suction volute-casing centrifugal . A Thermal power plant is an electric producing plant. Turbine. Base . condensed steam) from a condenser to a hot well. It is situated at village Kalanor In Yamunanagar. Optimize boiler & CT blow down to reduce pumping power; Incorporate drain condensate recovery system to reduce pumping power as well as to conserve thermal energy; Operate DM plant at its full capacity & carryout regeneration as per out put OBR given by OEM to reduce pumping power as well as water consumption; Use treated N-pit water as service . The vertical multi-stage condensate pump is a series of products developed by Changsha Pump Factory by introducing the design and manufacturing technology of Hitachi, Japan. The process of combined cycle power generation recovers the temperature from the exhaust gas and utilizes that heat in power generation. 27 December 2013 PMI Revision 00 1 Presentation outline Condensate Condensate System CEP Low Pressure Heaters Deaerator Function D/A Parts. As the operating pressure of the condenser is lowered (vacuum is increased), the enthalpy drop of the expanding steam in the turbine will also increase. Hot Well. High pressure turbine 12. Turbine Condensate System. Fraga et al. 4. In this case, the optimal power flow problem is involved . . Coal mill 17. Intermediate pressure turbine 10. It is believed that they produce around 50 percent more electricity from the same fuel consumption. AUDIT OF EQUIPMENT 4. WHAT IS CEP (CONDENSATE EXTRACTION PUMP) - This pump is in actual efficiency booster in a thermal power plant. Recognize how the Condensate and Feedwater system interfaces with the following systems: a. 11 FEED WATER SYSTEM . At is used in maintaining vacuum inside the turbine. The HP and LP heaters are located in this circuit in relation to the boiler feed pump (BFP) as (a) both HP and LP heaters after BFP. and sewage costs for the plant are $0.002/gal, Return Condensate to the Boiler power plant's energy efficiency is to increase the condensate return to the. Steam governor 11. Deaerator 13. Isentropic Expansion Condensing Steam Turbine Efficiency View in full-text Similar publications The development of thermal power plant in any country depends upon the available resources in that country. CONDENSER The main purposes of the condenser are to condense the exhaust steam from the turbine for reuse in the cycle and to maximize turbine efficiency by maintaining proper vacuum. 6. BOILER FEED PUMP (BFP) FEED REGULATING STATIOIN. Exhaust steam temperature = 42 C. Condensate System in Thermal Power Plant Isobaric Heat Transfer. The can is arranged in a pit below the installation floor. In order to prevent air from entering the condenser when the condenser condensate extraction pump is in stand-by position, the pump is equipped with: a. Shaft sleeves b. Labyrinth seals c. Mechanical seals d . They are the cleanest and highly efficient. pumps for condensate extraction, cooling water and boiler feed water and booster services. Generator 6. One of the applications of condensers (e.g., surface condensers) is in the thermal power plant to condensate the steam coming out from the turbine. Condensate pumps are designed or arranged to have discharge pressure (or at least a positive pressure above atmosphere) on the seal chamber (or stuffing box) to prevent air from entering the pump. Condensate system in thermal power plant & their sub-systems.It included condenser, Hotwell, CEP (Condensate extraction pump), GSC (gland steam condenser), D. We offer various configurations, with or without a pump in stand-by. PMI Revision 00 What is condensate The steam after condensing in the condenser known as condensate, is extracted out of the condenser hot well by condensate pump and taken to the deaerator through ejectors . Boiler . A condensate extraction pump is fitted at the bottom which helps to extract the condense water from the condenser. From economic point of view, the e ect of condensate extraction pump redundancy on net present value is observed to be sensitive than boiler feed pump redundancy. Yamunanagar Thermal Power Project i.e D.C.R.T..P.P(Deen Bandhu ChotuRam Thermal Power Plant) is a project of Haryana Power Generation Corporation limited (HPGCL). (2018) analyzed energetically and exegetically a fuel oil thermal power plant located in Brazil. Steam condensers are used in many food processing industries as well. From steam tables, partial pressure of steam at exhaust temperature Ps = 0.084 kg/cm2. 4. HIGH PRESSURE HEATERS. Its total capacity is 600MW as at present with two units working with capacity. Vacuum efficiency = (Actual vacuum in condenser X 100)/Max. What is GSC in thermal power plant? Condensate Extraction Pump: The condensate available at low pressure cannot flow from low pressure to atmospheric pressure. 27 December 2013. Condensate Extraction Pumps For NPS Service: Designed for handling condensate in the steam-and-feedwater circuit systems of the power stations that burn nuclear fuel, for removing condensed waste steam from condenser hot well of stationary steam turbines (as hot well pumps) and drain water from turbine plant heat exchangers (LP heaters and superheaters) when used as heater drain pumps. 4. . Normal full power operation b. Hotwell Level Control c. Startup level control d. Long Cycle Cleanup e. Short Cycle Cleanup 4. Following are other uses of the thermal power plants. In the feed water and steam circuit of a thermal power plant, the condensate flows from the condensate extraction pump to the boiler feed pump and, then to the boiler. The Chapman-Kolmogorov equations are generated on the basis of transition diagram . Title: THERMAL POWER PLANT 1 (No Transcript) 2 INTRODUCTION In India 65 of total power is generated by the Thermal Power Stations. Coal hopper 16. condenser, condensate extraction pump, Low Pressure Heater, deaerator and boiler feed pump. Condensate pumps may be used to pump the condensate produced from latent water vapor in any of the following gas mixtures: Conditioned (cooled or heated) building air; Refrigerated air in cooling and freezing systems; Steam in heat exchangers and radiators; The exhaust stream of very-high-efficiency furnaces As we all know that very high temperature and pressure steam expands in a steam turbine and this expanded (low pressure and low temp) steam can go waste if CEP doesn't perform it's function. . Condensate Extraction Pump. Condensate extraction pump 8. Thermal power plant is abbreviated as thermal power plant. Despite these advantages, jet condensers are not usual in thermal power plants especially due to the loss of condensate. At this point, Table 1 shows a reduced deaerator pressure of 59.45 psi (or 66.1 psi depending upon the correlation used). Condenser 9. The Condensate Extraction Pump (CEP) is installed below the Hot-well Deaerator The Deaerator in the power plant is an Auxiliary unit, which removes excess oxygen and non-condensable gases from the boiler feedwater. The authors observed that the energetic and exergetic efficiency of the plant is 36.8 . B) OFF-SITES Slideshow 147908 by jana Cooling Water Circulating Pump. Site installation of Sulzer feedwater pump. When the thermal power is known, its electric power can be uniquely determined. SJD-CEP vertical can condensate extraction pumps, are specified wherever limited NPSH is available, either due to system constraints or liquids operating near to their vapor pressure, typically for condensate extraction and heater drain pump applications. Then the condensate-water returns to the boiler in a closed loop. Grouppe can supply Condensate Extraction Pump which are used for handling condensate water from condenser in 100MW, 125MW (145MW), 200MW, 300MW, 600MW and 1000MW power stations, water supply & drainage project with high suction performance, high efficiency and high head. . Introduction e rmal power plant working is based on Rankine cycle, where the thermal e ciency of cycle can be thermodynam- In a thermal power plant, A steam turbine is rotated with the help of high pressure and, High-temperature steam and this rotation is transferred to a generator to produce electricity. This water, after passing through several heaters and deaerators, reaches the suction of the BFP that is used to pump water at a very high pressure. Low pressure turbine 7. The Deaerator also plays important role in achieving the plant efficiency The primary functions of the Hot-well are to Today's high performance three screw pumps can operate with system pressures up to 4500 psi (310 bar) and flows to 3300 gpm (750 m 3 /h) with long term reliability and excellent efficiency . The Power Condensate return. Steam turbine is the heart of the power plant. In the thermal power plants, exhaust steam from the steam turbine flow into the air cooled condenser (ACC) where the condensation occurs. The function of the condensate extraction pump is to . 77. Its basic production process is: the fuel is burned in a boiler to heat water into steam, and the chemical energy of the fuel is converted into heat energy. It is the outline structure of triple pressure steam generation system used in more than 250 power plants installed worldwide between 1975-2015 [3-7]. Recognize how the system will respond to Condensate Booster Pump Low Suction Pressure and Feedwater Pump Low Suction Pressure 5. . CEA guidelines for Energy Auditing of power plants were used. These all are basically heat exchangers. Throughout these systems, pumps operate in services such as: molten salt, heat transfer, boiler feed, condensate extraction, cooling water and auxiliary services. If desired, pressure can be reduced through a throttle bushing at the bottom of the stuffing box and through an orifice back to the suction. Exhaust steam is . . = 1.033 - 0.084 = 0.95 kg/cm2. . The Essential component used in this system is Pump, Boiler, Turbine, and Condenser. It is suitable for condensate pumps for large thermal power plants, including 100, 125 (145), 200, 300, 600, Various specifications for 1000MW steam turbine generator sets.

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