Steam condensers are also applied in . Abstract: The present paper deals with the effect of pump hot-cold redundancy on availability of various subsystems in a thermal power plant. There are usually three or four stages of low-pressure feedwater heaters connected in the cascade. From steam tables, partial pressure of steam at exhaust temperature Ps = 0.084 kg/cm2. For TG#1 & TG#2 there are three condensate extraction 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 main purpose of CW or cooling water pumps in any power plant is to condense the extra low pressure steam which in turn improves the efficiency of the plant. Fraga et al. Dipak K. Sarkar, in Thermal Power Plant, 2015. These pumps have FIVE stages and since the suction is at a negative pressure, special arrangements have been made for providing sealing. A set of four transmitters is provided corresponding to each location and these will . The Essential component used in this system is Pump, Boiler, Turbine, and Condenser. WHAT IS CEP (CONDENSATE EXTRACTION PUMP) - This pump is in actual efficiency booster in a thermal power plant. The condensate from condensate pumps then passes through several stages of low-pressure feedwater heater s. The temperature of the condensate is increased by heat transfer from steam extracted from the low-pressure turbines. THERMAL POWER KBL is a major supplier of complete range of pumps for thermal power plants for applications including condensate extraction, raw water and cooling water. To increase the efficiency of the boiler as well as a thermal power plant, condensate water received from the condenser is heated. Condenser and condensate extraction pump. Maximum obtainable vacuum by considering atmospheric pressure as 1.033 kg/cm2. Vacuum efficiency = (Actual vacuum in condenser X 100)/Max. transmitters used to monitor condensate contamination at the outlet from the condensate polishing plant and from the condensate extraction pumps discharge pipework. The hydro-power plant totally depends on the natural availability of the site and the hydrological cycle. - CONDENSATE EXTRACTION PUMPS (CEP) LP HEATERS DEAERATOR FEED WATER SYSTEM HIGH PRESSURE HEATERS BOILER FEED PUMP (BFP) FEED . Generator; Draught system. Steam governor 11. producing power only for a private client. The Chapman-Kolmogorov equations are generated on the basis of transition diagram . 27 December 2013. . Thermal power plant is abbreviated as thermal power plant. Built by SSE in collaboration with Siemens, the 840 MW Keadby 2 power station in Lincolnshire, UK, is one of the most advanced gas-fired power plants in the world. 1. WHAT IS CEP (CONDENSATE EXTRACTION PUMP) - This pump is in actual efficiency booster in a thermal power plant. A Combined cycle power plant is a highly efficient power generation unit. At is used in maintaining vacuum inside the turbine. Having two unit of 2 x 300 MW = 600 MW. Diagram of typical CSP plant with parabolic : trough and molten salt storage. In the thermal power plants, exhaust steam from the steam turbine flow into the air cooled condenser (ACC) where the condensation occurs. thermal storage systems. Condensate pumps are usually electrically powered centrifugal pumps. High pressure turbine 12. Cooling Water Circulating Pump. 6. Thermal power plants performance can be evaluated all the way through energetic performance criterion, which is electrical power and thermal effectiveness. 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. a. hot well . Site installation of Sulzer feedwater pump. 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. HIGH PRESSURE HEATERS. Title: THERMAL POWER PLANT 1 (No Transcript) 2 INTRODUCTION In India 65 of total power is generated by the Thermal Power Stations. 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. In the case of LP heater, water is heated by L.P turbine extracted steam In the case of HP heater, water is heated by H.P and I.P turbine extracted steam Since the extracted steam upon condensation gets subcooled so the drain cooler (DC) is used. 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. 4. Condensate Extraction Pumps Condensate extraction pumps are used to pump condensate from the hot well of the condenser to the inlet of the LP economizer of the HRSG. 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. Recognize how the system will respond to Condensate Booster Pump Low Suction Pressure and Feedwater Pump Low Suction Pressure 5. Condenser like surface condenser is used in the thermal power plant to condensate the exhaust steam from the turbine. pumps for condensate extraction, cooling water and boiler feed water and booster services. Yes, I am interested! Introduction e rmal power plant working is based on Rankine cycle, where the thermal e ciency of cycle can be thermodynam- 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 . The actual pressure at pump suction then corresponds to deaerator pressure . . The condensed steam, from the condenser is used as feed water for boiler. ZE/ZF end suction pump range We . The Power Condensate return. 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. A) HT/LT AUXILIARIES FD fans ID fans Boiler feed Water pumps Condensate extraction pumps Circulation Cooling Water Pumping system Cooling Towers CT Fans PA fans Coal Mills. Yamunanagar Thermal Power Project i.e D.C.R.T..P.P (DeenBandhuChotuRam Thermal Power Plant) is a project of Haryana Power Generation Corporation limited (HPGCL). 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. They are the cleanest and highly efficient. Three-phase transmission line 4. Base . PUMPS USED FOR POWER PLANTS Steam turbine auxiliary pumps (boiler feed pumps, front pumps, condensate Condensate Pump It is a pump, which removes condensate (i.e. 1. They are used to remove condensate water from HVAC systems that cannot be accomplished via gravity, and therefore the water must be pumped up. a. Elements or Components of Condensing Plant: A Condensing Plain consists of eight major elements, those are listed below: Condenser. Air Extraction Pump. The fuel used is water which is a renewable source of energy and also the fuel used is coal-fired, liquefied fuel, natural resources, uranium enrichment. At this point, Table 1 shows a reduced deaerator pressure of 59.45 psi (or 66.1 psi depending upon the correlation used). 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. . View in full-text Similar publications . . 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. Flexibly coupled, electrically driven horizontal foot-mounted single-stage (KO), double-stage (2KO) or three-stage (3KO) end suction volute-casing centrifugal . 11 FEED WATER SYSTEM . The development of thermal power plant in any country depends upon the available resources in that country. July 11, 2022 By Mike Santora. Power Plant, from ring-section boiler feed pumps to large diameter vertical circulating water pumps and condensate . 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). . Power plant thermal efficiencies could be easily doubled by removing the _____ and using the exhaust steam for heating. 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]. (b) HP heater before and, LP heater after . At the exit of condensate extraction pump (CP) condensate enters in series of feedwater . GE's specialized pump expertise ranges from circulating cooling water pumps, condensate extraction pumps, to main and booster feedwater pumps. It converts water into steam. 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 . 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. Condensate extraction pump over hauling workshttps://powerplantworks.blogspot.com/2020/06/cep-pump-in-thermal-power-plant.html . 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. Deaerator 13. Condensate Pumps The function of these pumps is to pumps out the condensate to the deaerator thru' ejectors, gland steam cooler, and L.P. heaters. 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. The authors observed that the energetic and exergetic efficiency of the plant is 36.8 . Condensate Extraction Pump: The condensate available at low pressure cannot flow from low pressure to atmospheric pressure. The working principle of thermal power plant operation depends on Rankin Cycle. 4. Boiler Feed Pump Boiler feed pump pumps the condensate from a hot well to a boiler. 77. The feed pump brings high pressure liquid to the boiler for heating to the saturation temperature. The process of combined cycle power generation recovers the temperature from the exhaust gas and utilizes that heat in power generation. The purpose of this paper is to deal with the formation of performance modeling and maintenance priorities for the water flow system (WFS) of a coal-based thermal power plant.,The system consists of five subsystems, i.e. ZE/ZF end suction pump range The can is arranged in a pit below the installation floor. Condensate Extraction Pump Steam, after passing through the turbine, condenses in the turbine condenser and collects in the condenser hot well. 4: PUMPS FOR POWER GENERATION: Application of Thermal Power Plant. Cooling water pump 3. Power plant pumps . A Condensate Extraction Pump (CEP) is a pump installed between the condenser and the hot well to transfer the condensate from the condenser to the hot well. . Condensed steam is coming out of the turbine and the condensate is extracted from the condenser by the condensate extraction pump. Turbine. A Thermal power plant is an electric producing plant. 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. KEY RESULT AREAS IN THERMAL POWER PLANTS. Then the condensate-water returns to the boiler in a closed loop. These all are basically heat exchangers. This paper presents the thermal and economic performance of a 210 MWe coal-fired power plant situated in North India. 3. KEY RESULT AREAS IN THERMAL POWER PLANT. Following are other uses of the thermal power plants. (2018) analyzed energetically and exegetically a fuel oil thermal power plant located in Brazil. Condenser 9. = 1.033 - 0.084 = 0.95 kg/cm2. 4. The Deaerator also plays important role in achieving the plant efficiency The primary functions of the Hot-well are to The manner in which fuel energy is converted into electricity shapes a power plant's running. 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 most common configurations are 2 x 100 percent or 3 x 50 percent capacity pumps per condenser (not per HRSG). In a thermal power plant, coal is coming from coal storage and burnt in the boiler. It is situated at village Kalanor In Yamunanagar. . Unit transformer 5. The condensate pump sucks water from the . Boiler . In brief, BOILER FEED PUMP (BFP) FEED REGULATING STATIOIN. 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. Isentropic Expansion Condensing Steam Turbine Efficiency cost, revenue, and plant net present value. Condensate pumps are used in hydronic systems that cannot discharge excess condensate water via a gravity feed. 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. In this case, the optimal power flow problem is involved . When the thermal power is known, its electric power can be uniquely determined. For a good thermal power plant, only 5% loss of feed water is permitted which can be compensated by preparing purest form of feed water by water purification system. Recognize how the Condensate and Feedwater system interfaces with the following systems: a. So combined cycle power plants are . 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. It is believed that they produce around 50 percent more electricity from the same fuel consumption. Condensate Extraction Pump. Normal full power operation b. Hotwell Level Control c. Startup level control d. Long Cycle Cleanup e. Short Cycle Cleanup 4. Condensate extraction pump 8. Despite these advantages, jet condensers are not usual in thermal power plants especially due to the loss of condensate. 1.3 Key Elements of a Thermal Power Plant 1. The function of the condensate extraction pump is to . Scheduled to commence operation in 2022, the facility will be the first commercial deployment of the 50 Hz . Steam condensers are used in many food processing industries as well. . DEAERATOR. 27 December 2013 PMI Revision 00 1 Presentation outline Condensate Condensate System CEP Low Pressure Heaters Deaerator Function D/A Parts. condensed steam) from a condenser to a hot well. Its total capacity is 600MW as at present with two units working with capacity. Steam turbine is the heart of the power plant. Exhaust steam is . 13.3.14 High exhaust hood temperature. Condensate System in Thermal Power Plant Isobaric Heat Transfer. Cooling tower 2. Yamunanagar Thermal Power . Differently in Figure 6, the electrothermal characteristic of the extraction condensing unit is a two-dimensional area, so the power supply is unable to be uniquely determined when the thermal power is known. Using the condensate as feed for boiler reduces the cost of the power generation as the condensate is supplied at high . CW pumps inject raw water into the tubes of condensor where hot steam flows outside tgese tubes. Due to its nature, CSP plants depend a lot on direct solar radiation. . Condensate system in thermal power plant & their sub-systems.It included condenser, Hotwell, CEP (Condensate extraction pump), GSC (gland steam condenser), D. . CONDENSATE EXTRACTION PUMPS (CEP) LP HEATERS. Our condensate extraction pumps GE's condensate extraction pumps are the vertical multi-stage bowl diffuser type (or can type) with a single- or double-suction impeller. 1. Used for pumping condensate in the steam and water circuit systems of the thermal power stations that burn organic fuel and to transfer water in heating plants and water supply systems.