Condensate polishing critical to protecting gasfired combined cycle power plant assets. A condensate polisher is a device used to filter water condensed from steam as part of the steam cycle, for example in a conventional or nuclear power plant powdered resin or deep bed system. Condensate polishing units are typically installed for super thermal power stations with the main objective of improving the boiler water quality. The energy of a thermal power station not utilized in power production must leave the plant in the form of heat to the environment. General electric systems technology manual chapter 2. Detailed project report for 2x mw imported coal based. Condensate polishing unit condensate unit manufacturer from pune. Along with adopting the correct water treatment method, a high quality dm plant and precision analytical instruments for monitoring online water chemistry is a must to eliminate outages of the. Also below is a flow chart to help you select the right treatment technology for your needs. Condensate polishing is an important part of water treatment for any utility or industrial power generating system. Condensate polishing unit the condensate polishing unit removes crud mostly consisting of sodium, chloride, silica and carbon dioxide. Condensate polishing experts part of berkshire hathaway companys marmon water group, graver pioneered highperformance condensate polishing and water treatment for power generators around the globe.
Why do combined cycle gas turbine ccgt units need condensate filters or polishers. Externally regenerated condensate polishing technology key. 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, gland steam cooler and series of. Thermal or stress cycles with heavy internal deposits leads to. Doc condensate polishing training manual eli salem. The specification covers scope, design criteria, equipment features, quality. Commissioned more than 40 plants with hydrochloric acid as regenerant. Frequently asked questions faq on condensate polishing. More than 60% of electric power is produced by steam plants in india. Condensate polishing for nuclear and super critical power plants. As the thermal plant operating pressures increase and become supercritical, water chemistry management also becomes critical. Today more than ever, continued advancements and new technologies in condensate polishing are critical to improving plant operations in order to help produce a viable supply of power to meet the expanding needs of this country and the world.
Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Message box arial, font size 18 bold presentation by rama chandra reddy. Condensate polishing unit free ebook download as pdf file. From oil and particulate removal within industrial applications to high pressure, pure water systems for nuclear power generation, ovivo has a range of solutions to suit any condensate polishing application.
Some power plants have an open cycle once through cooling water system where water is taken from a body of water, such as a river, lake or ocean, pumped through the plant condenser and discharged back to the source. The greatest use of a boiler and steam generator is to generate steam in power plant. Mixed bed polisher mbp and condensate polisher cpp. We offer stateoftheart, comprehensive solutions for condensate polishing unit for sugar, distilleries, captive and cogen power plant and process industries. Turbine condensate system in thermal power plant heat. Condensate polishing can significantly improve cycle chemistry by improving cycle water quality and. The condensate will be treated using highlyeffective cartridge filters also backwashable and downstream ion exchangers. Dow liquid separations dowex ion exchange resin guide to condensate polishing. If the waste heat is instead used for district heating, it is called cogeneration.
Tominaga, in advances in steam turbines for modern power plants, 2017. Makeup water plant should be capable of producing water with a conductivity of less than 0. Condensate polishing critical to protecting gasfired. When these plants were running as peaking plants in the past, condensate polishing cp was often left. This plant is located in banyan, jurong island and has a condensate polisher of capacity 7,920 m3day. Condensate polishers at power plant crazyengineers. Global and chinese pakistan thermal power plant industry, 2018 market research report thermal power plant industry, 202023 market research report is a professional and indepth study on the current state of the global pakistan thermal power plant industry with a focus on the chinese market. A condensate polisher is a device used to filter water condensed from steam as part of the steam cycle, for example in a conventional or nuclear power plant it is. It is use to produce heat in the boiler and water is converted into steam. Ion exchange units used in the removal of anions and cations which will effectively remove minerals and salts from the make up water. This is a 20 minute training on the condensate and feedwater system at my plant. What is thermal power station a thermal power station is a power plant in which the main requirement for making electricity is steam.
Development of ion exchange resins with ultra low residuals for. Points of measurement of sodium in power plants water steam cycle. Condenser w 0 steam power plant q h h out 4 1 the thermal efficiency of the rankine cycle is determine from net out th in in k 1 wq qq where w q q w w net in out turbine, out pump, in deviation of actual vapor power cycle from idealized ones the actual vapor power cycle differs from the ideal rankine cycle, as a result of. Condensate polishing unit plant cpu adept consulting services. Water and steam are the lifeblood of any steamdriven power facility, and proper chemistry control is critically important to plant operation, reliability, the bottom line, and especially. Conesep r retrofit option ovivo can provide superior external regeneration of any existing condensate polishing system by providing the. Guide for condensate polishing power plant see other formats k t disclosure to promote the right to information whereas the parliament of india has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the. Ppt thermal power plant powerpoint presentation free. Condensate polishing plays a vital role in power plant cycle chemistry. Thermal power station are the stations in which energy of coal is converted into electrical energy. This project profile illustrates the process for cpu and external regeneration system.
Condensate polishing unit reliability engineering boiler scribd. Turbine condensate system in thermal power plant free download as powerpoint presentation. The heat released by combustion of the fuel is transmitted to a working substance. Our expertise and trackrecord in the power sector and our proprietary condensate polishing technologies are amongst the best in the world.
A condensate polisher is a device used to filter water condensed from steam as part of the steam cycle, for example in a conventional or nuclear power plant. A condensate polisher can be used on these units to reduce the level of contaminants in the steamwater cycle and ensure that chemistry limits do not play a major role in delaying unit startup times. Hot thermal withstand curve shall have a margin of at least 10% over the full. Condensate polishing unit deionized demineralised water. The company is uniquely positioned to meet all water cycle requirements. If you continue browsing the site, you agree to the use of cookies on this website. The conesep system has been installed in many different environments, including sub and super critical fossil fuel plants, pwr and agr nuclear plants. Dow liquid separations dowex ion exchange resin guide to. Most importantly, an updated presentation of condensate polishing. A mixedbed polisher unit will be required if the product water specification is below that achievable from the demineralization plant alone or if a higher degree of safety is required to ensure water quality. Condensate polishing for nuclear and super critical power. It is frequently filled with polymer resins which are used to remove or exchange ions such that the purity of the condensate is maintained at or near that of distilled water. Problems and diagnosis of condensate polishing system in. Inland plants away from large water bodies prefer to use closed cycle wet cooling system with wet cooling towers.
Multiutilities facility separate bed technology boustead salcon designed and supplied two condensate polishing units for a 2 x 800 mw ultra critical coalfired power plant located in kaohsiung, taiwan. The configuration is simple compared to pwr which has steam generators, and the reactor pressure vessel rpv of bwr is designed in lower pressure conditions than. Commissioning of condensate polishing system in power plant. A condensation electric power plant uses organic fuels solid fuels, mainly pulverized coal of various types, as well as mazut. Rinse water outlet header of each condensatepolishing unit shall be provided with a. It is necessary to equip large size high parameter thermal power plants with suitable condensate polishing sysytems from the point of view of not only preventing the heating surfaces and steam turbines from corrosion and depositing,but also ensuring safe operation of units. Process condensate shall be generated at mp and lp levels and these shall be routed separately to the respective vessels in the condensate recovery system composed by several sections, each one located and dedicated to different process units areas.
The evolution of power plant watersteam chemistry power. Boiler pressure is the key factor for determining the requirement of a cpu system see figure ii3. The improved quality of condensate duly polished reduces scale formation inside the boiler tubes, which in turn results in higher steam generation and effects. Swapan basu, ajay kumar debnath, in power plant instrumentation and control handbook, 2015. Condensate polishing there are extensive requirements for operating safety and quality of condensate treatment in power plants. Download citation problems and diagnosis of condensate polishing system in ultrasupercritical power plant aiming at dealing with the problems of design, debug, and operation that occurred in. Have supplied spherical service vessels in more than 30 power stations for more than 100 power units. Condensate polishing unit and its uses in power plant. A bwr generates steam from demineralized water in the reactor itself, and uses the steam directly to drive the steam turbine. One of the largest suppliers of condensate polishing system with hydrochloric acid as regenerant achieving the finest condensate effluent quality.
Condensate polishing treatment process boustead salcon. Unit 1 thermal power stations introduction thermal energy is the major source of power generation in india. Epri condensate polisher guidelines technical report. 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, gland steam cooler and series of lp heaters. A free powerpoint ppt presentation displayed as a flash slide show on id. For the steam generator plant with low steam pressure below 40 kgcm 2, the requirement of a condensate polishing unit is usually avoided. India has large deposit of coal about 170 billion tonnes, 5th largest in world. Recovered condensate shall be then routed and treated in the condensate polishing unit cpu. Local business units have full technical capabilities and are backed by a global support network. Pdf air cooled condensers chemistry implications at kogan. This report describes research sponsored by the electric power. Condensate polishing technologies for combined cycle.
Detailed project report 2x mw coal based tpp at paguthan, bharuch district, gujarat india table of content page 1 of 140 table of contents. We offer stateoftheart, comprehensive solutions for condensate polishing unit for sugar, distilleries, captive and cogen power plant ad process industries condensate polishing units based on anaerobic and aerobic treatment for reuse in processes. This waste heat can go through a condenser and be disposed of with cooling water or in cooling towers. Condensation electric power plant a thermal steamturbine power plant whose purpose is the generation of electric power by condensing turbines. Condensate polishing commissioning is a necessary part before trail run. Condensate and demineralized makeup water system is that of a power generation system. Contact us today and we can help you choose the proper condensate polisher system to meet your requirements. The various combinations of ion exchangers and associated regeneration internal or. Thermal power plant thermal power stations coal fired turbo alternators driven by steam turbine oil fired crude oil or residual oil gas fired fastest growing primary. Demineralized water an overview sciencedirect topics.