As of 2014, the international atomic energy agency reported there were 450 nuclear power reactors in operation in 31 countries. Where cooling water is in short supply, an aircooled condenser is often used. Nttps is modeled and numerically analyzed in solidworks flow simulation. Global supplier of steam condensers and related technology. It increases the efficiency of the power plant due to increased enthalpy drop. Micro tube heat exchangers for power plant condensers. A nuclear power plant is a thermal power station in which the heat source is a nuclear reactor. Utility problem cooling water for condensers is supplied via circulating water pumps at the intake structure. Our solutions are used across the world to increase efficiency and save time for missioncritical maintenance problems. The function of the condenser is to convert the saturated steam at the exhaust of the turbine to water that can be reused in the boiler to again convert it to steam.
The exhausted steam from the lp turbines is condensed by passing over tubes containing water from the cooling system. The number of blades per fan will minimally be 5 but may be as many as 810 depending upon the fan supplier and the performance requirements. Condenser optimization in steam power plant springerlink. A condenser is designed to transfer heat from a working fluid e. The temperatures obtained from the numerical analysis of the modeled condenser closely match with those of the working temperatures in the thermal power plant, which validates the model.
It should also be obvious that nuclear power plants have some significant differences from other plants. Heat exchangers offering condensers proven technology to ensure the highest plant performance the condenser is the main auxiliary of a steam. Effect of condenser backpressure on power plant heat rate. A typical power plant condenser has the following functional arrangement. Water flows through an inlet pipe to the inlet waterbox, through the tube bundle into the outlet waterbox, and out through the discharge pipe. Learn more about all of the services intek offers to assist with your condenser performance issues in our condenser performance solutions pdf booklet.
Thermal performance assessment of steam surface condenser. The problem was reversed by the use of oxidizing biocide and a wettingpenetrating agent, along with ph adjustments and other measures. Condenser in thermal power plant linkedin slideshare. Analysis of rankine cycle and its utility in thermal power plant a theoretical approach 54 regarded as a control volume, operating at steady state. As is typical of thermal power stations, heat is used to generate steam that drives a steam turbine connected to a generator that produces electricity. Condenser and cooling tower power plant engineering.
Power plant resources are compiled in this industrial portal which provides information on manufacturers, distributors and service companies in the. Condenser, back pressure, power, heat rate, thermal efficiency i. Sundaravalli we are pleased to bring out our fully revised eleventh edition of power plant engineering book. Way more information than you ever wanted on how to fell a tree. Figure 3 presents a simplified diagram of the pump station and the cooling water system in the morava tpp, and fig. For power plants, 34inch, 78inch, and 1inch od tubes are the most prevalent sizes. Installation of condenser for steam turbine by large block construction hokuriku electric power companys shika nuclear power station unit 2 overview. Effect of condenser backpressure on power plant heat rate and. Power plant and petrochemical plant maintenance equipment for over 50 years, power plants, petrochemical, and other heavy industrial customers have trusted goodway for their maintenance needs. Factorial analysis of surface condenser for thermal power plant. The polishing plant is used mainly on oncethrough type boilers to reduce chemical contamination, which is far more critical on this type of boiler. E power downrated kw e natural gas engines are now in more or less continuous operation. The efficiency of the steam power plant is increased by the use of a condenser. Ive never designed a condenser for a power plant, and i am not currently doing business in this field.
According to the operating parameters of seawater temperature, seawater volume flow and condenser design data, we can also get the relation curve of condenser pressure and unit output with the cooling pipes plugging. An introduction to condensers and auxiliary equipment for. 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. A surface condenser is a commonly used term for a watercooled shell and tube heat exchanger installed to condense exhaust steam from a steam turbine in thermal power stations. Patel mihir 450119107 patel mubarak 450119110 patel parth 450119116 patel pathik 450119117 pathan uvesh 450119125 2. The a frame structured designs are mostly used in the power plants. Power plant cooling system overview for researchers and. In this paper the effects of the condenser design parameters such as turbine inlet condition, turbine power and condenser pressure on heat transfer area, cooling water flowrate, condenser cost and specific energy generation cost are studied for surface type condenser. Flow rate, condenser, power output, vacuum, energy efficiency. Power plant condenser fouling article of interest by dewindia team industrial process plants generate steam for power production and process use.
An assessment of the use of direct contact condensers. Pdf analysis of a condenser in a thermal power plant for possible. Because the condenser chamber is a fixed volume and sealed from the ambient air. And over the past 35 years, we have retrofitted more than 70 condenser tube bundles and set a record of 19 days for a 900mw npp retrofit thanks to our service expertise. This book is written to serve the needs of under graduate students embarking introductory course in power plant engineering. Types of cooling system how to cool water after outlet. Download power plant engineering local author by dr. Condensers for nuclear, gas, coal and oil power pdf catalogs. As single pressure or multipressure, depending on whether the cooling water flow path creates one or more turbine backpressures. To maintain condensate separate from the cooling water, a bank of plate heat exchangers is used. Inland plants away from large water bodies prefer to use closed cycle wet cooling system with wet cooling towers.
A steam condenser has the following two objectives. I didnt have time to really evaluate what alternatives are currently being examined. As a general rule, 34inch tubes are used in small condensers up to 15,000 square feet, 78inch tubes are used in condensers between 15,000 and 50,000 square feet. Aug 28, 2017 the file contains all details of the condenser and cooling tower systems or thermal power plant. 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. Condenser services to improve condenser performance. This paper documents a biofilm episode in the main condenser of a nuclear power plant. The condensate will be collected in the steam collection header and gets the bottom of a structure.
Steam condenser is a device in which the exhaust steam from steam turbine is condensed by means of cooling water. Recovering this steam as condensate, and returning it to the boiler, is an economical way to recycle heat. As single pressure or multipressure, depending on whether the cooling water. The main advantages of incorporating a steam condenser in a steam power plant are as follows. The thermal efficiency of the entire unit was mostly depended on the condenser performance. An overall power efficiency in excess of 30% from woodchips to electricity has been guaranteed. The condenser relies on the efficient heat transfer that occurs during phase changes, in this case during the condensation of a vapor into a liquid. The results are given in the text and also shown as diagrams. Steam condensers for power plant fabryka aparatury i. Because the polishing plant is similar to the water treatment plant, silica monitors can be used again to detect resin exhaustion and monitor water quality. Motor characteristics fan motor power must be equal to that required by the fan shaft power divided by the motor and gear box. Power point presentation objective at the end of the session participants will be able to. Condenser is one of the important auxiliary equipments in nuclear power plants. The power market has seen rapid deregulation and liberalization, and this has strongly motivated the power industry to streamline equipment costs and reduce construction schedules.
University, florida power corporation, pb power, transcanada pipelines energy, union gas power, kimberlyclark forest products, great lakes power, 3m canada, potter station power, nrc, aecl, ontario hydro ontario power generation, enwavetoronto district heating corporation, icsstate, r. Mar 08, 2017 simulator of condenser system in thermal power plant. It shoul d not be surprising, then, that a nuclear power plant has many similarities to other electrical generating facilities. In a case study for a nominal1 30mwe steam power plant, two. This is the part of the subject power plant engineering in gtu slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. A steam condenser is an essential part of a steam power plant. Performance characteristics of an aircooled condenser under. Welcome to the most trusted and comprehensive condensers. It is a device or an appliance in which steam condenses and heat released by steam is absorbed by water. Installing instrumentation to detect ingress and alarm in. Analysis on performance of condenser in thermal power plant. The condenser is often referred to as the biggest jobrelated headache by many power plant personnel. The condenser performance test and thermal performance.
Steam condenser power plant stock photos download 99. Environmental protection agency has recently proposed that power plants that consume more than 7. For power generation, condenser subcooling is undesirable since it results in an increase in turbine heat rate that represents a loss of cycle efficiency. The nearly all accepted style of air cooled condenser is the modularized a frame structured design, used on industries and power plants of all sizes. Types of cooling system how to cool water after outlet from. It can be used in several different modes in critical industries such as power generation, oil and gas, process plants. The burning of culm is an excellent example of cogeneration helping the environment. Condenser services to improve condenser performance intek, inc. The function of a condenser in thermal cycle is to maintain the exit pressure of. This is why alfacond has become the preferred alternative to the direct condensers and bulky indirect. Download 99 steam condenser power plant stock photos for free or amazingly low rates.
Pdf analysis of a condenser in a thermal power plant for. Due to its sheer size, hundreds of penetrations, and dozens of seals, just finding an air inleak can consume several manhours and be very costly. Simulator of condenser system in thermal power plant. Ultratech air cooled condenser specification the steam in tubes is condensate by air come from fan. The main steam condenser mc system is designed to condense and deaerate the exhaust steam from the main turbine and provide a heat sink for the turbine bypass system. Cooling the steam power plant condenser using a vapor. The engines have been delivered by austrian manufacturer jenbacher and.
For 50 years, more than 700 of our condensers have been engineered, commissioned, and delivered. Mezzo technologies makes micro tube heat exchangers. The engines have been delivered by austrian manufacturer jenbacher and the total plant will be optimised during this year. Condenser tube cleaning macro and micro fouling and scaling of condenser tubes will adversely impact the performance of any well designed condenser the results are reduced heat transfer, reduced output, and reduced availability, while increasing the number of plant outages and increasing the maintenance costs. The condenser performance test and thermal performance analysis of variable conditions in tqnpc article pdf available in energy and power engineering 0504. As the temperature increases continually, the condenser pressure increases faster and faster. Performance characteristics of an aircooled condenser. In thermal power station condenser plays a vital role for having good efficiency.
Take advantage of inteks experience in resolving power plant condenserrelated issues by contacting us today using the form on this page. Condenser subcooling is also undesirable because the condensate may contain noncondensible gases that could. These condensers are heat exchangers which convert steam from its gaseous to its liquid state at a pressure below atmospheric pressure. Two pass water cooled steam condenser is commonly used in coal fired power plants and its thermal performance significantly affects the generation as well as. Steam condensers for power plant plant customer year quantity pcs weight pc. This power plant with its 34 mw down exhaust turbine and 40,570 squarefoot condenser will aid in reducing the hills of. The file contains all details of the condenser and cooling tower systems or thermal power plant. The egs reservoir and well field will have higher costs, hence there will be an impetus for using plants with. The main purpose of a steam condenser in turbine is to maintain a low back pressure on the exhaust side of the steam turbine after releasing from nozzles, the steam has to expand to a great extent for converting available energy into it to usable mechanical work. The steam condenser is an essential component of all modern steam power plants. Installation of condenser for steam turbine by large block.
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