660 mw supercritical boiler pdf file

Using cfd software the flow parameters are optimized for different stagger angles for 0. Taking a startup separator of 600 mw supercritical boiler as the study object, analyse the stress field of it during the process of load pickup with the threedimensional finite element analysis method. The energy conservation measures reduce the auxiliary power of 210 mw power plant from 11. Thermalhydraulic calculation and analysis on evaporator. The major technical solutions that ensure reliability, efficiency, and low emissions of pollutants into the atmosphere are described. Technoeconomic comparison subcritical vs supercritical vs ultra supercritical boilers description unit subcritical 16. What are the major components in supercritical boiler. An annularfurnace boiler for the 660mw power unit for ultrasupercritical parameters intended for firing brown slagging coals article in thermal engineering 6012 december 20 with 53 reads. F combustion system pulverized coal fired draught system balanced draught. Content file version control in a central repository we want the simulation system to be highly available for many years. And the laws of the thermal stress, the mechanical stress and the total stress. Ppt super critical boiler powerpoint presentation free. Results from 3d modeling of combustion processes are presented, which clearly show the advantages furnaces of this kind have. Results from 3d modeling of combustion processes are presented, which clearly show the advantages furnaces of this kind have over a traditional.

Recently, with the support of the national th five years science and technology plan project of china, harbin boiler company limited has begun to develop the 660 mwe ultra supercritical cfb boiler. On 14 april 20, the unit passed a 168hr full load test. Development of mshaped boiler for ultrasupercritical. Study on the cause of hightemperature corrosion of water. Technology comparison of cfb versus pulverizedfuel firing.

In 2007, the demonstration of the 600mw e sc cfb at the baima power plant in sichuan was approved by ndrc. Fuel costs are considerably lower due to the increased efficiency and operating costs are at the same level as subcritical plants. Development of mshaped boiler for ultrasupercritical steam. After a year of commercial operation, a boiler performance test was conducted in may 2014. In order to explore the causes and the mechanism of frequent hightemperature corrosion in the supercritical opposed firing boilers, the cause analysis is carried out for a 600mw boiler through the coal quality analysis, the waterwall thickness measurement, the waterwall surrounding atmosphere testing, and the corrosion products analysis by using sem, eds and xrd. Supercritical boiler that is usually applied to 400 mw systems or larger.

Supercritical sliding pressure boiler water wall design comparison of vertical wall and spiral wall 20 no transcript 21 ash accumulation on walls 22 super critical boiler materials 23 advanced supercritical tube materials 300 bar6000c6200c 24 material comparison description 660 mw 500 mw structural steel alloy steel carbon steel. Finite element stress analysis of a 600 mw supercritical. The ansys software was adopted to analyze the distribution of the stress. Supercritical boiler continuously produces the superheated steam at critical state, when it takes some time after starting the boiler. Most of the supercritical power plants are using imported indonesian. The first advanced material that came onto the market in the 1980s was the grade 91 called material.

In this paper the sequence of steps is mention for the indirect method to calculate supercritical boiler efficiency. Development of a 660 mw coaldust generator unit with. Supercritical boiler technology matures plains justice. College of power engieering,university of shanghai for science and technology,shanghai 200093,china.

Outside of china, there are 4 units of supercritical cfb boiler manufactured by foster wheeler company in commercial operation. Complete technology transfer of supercritical boilers to joint. An animated presentation over complete water steam circulation in a super critical boiler with flow chart. Thermal design feathers of dongfang 660 mw doublereheat. Optimized operation of a 2980 th ultrasupercritical boilers combustion systemj. Scribd is the worlds largest social reading and publishing site.

Water steam circuit in supercritical boiler for 660mw power plant. Pdf thermodynamic analysis on the transient cycling of coalfired. We present the main technical solutions adopted in designing annularfurnace boilers intended for operation on brown coals of the prospective maikubensk opencast mine in kazakhstan as part of 660mw power units for ultrasupercritical steam conditions. Skoda supercritical steam turbine 660 mw jiri fiala head of engineering dept.

Construction of coalfired supercritical pressure power plant in. Performance of supercritical boiler is calculated by different graphical representation and it is compared to subcritical boilers curves. Pdf on feb 6, 2019, decai li and others published flexible operation. Nov 09, 2012 an animated presentation over complete water steam circulation in a super critical boiler with flow chart. A coal based thermal power plant converts the chemical energy of the coal into electrical energy. Ma xinli jiangsu fangtian electrical technology co. Construction of coalfired supercritical pressure power plant. Pdf flexible operation of supercritical power plant via integration. In this paper, the stress analysis of the superheater outlet header of a 600 mw supercritical boiler in peak load operation was investigated by carrying out a threedimensional finite elementfe analysis. Bhel commissions another 660 mw supercritical thermal unit. The boiler was transitioned to commercial operation upon successful completion of the fullload test. Ppt super critical boiler powerpoint presentation free to.

New features of 660 mw units free download as powerpoint presentation. Stress analysis of a 600 mw supercritical boiler startup. Technological journey to supercritical boiler in india. Shanghai institute of supervision and inspectiontechniques. An animated presentation over complete water steam circulation in a super critical boiler with flow chart for a 660mw thermal power plant. A 460 mw supercritical cfb boiler which is in operation today is designed with the siemens benson low mass flux design concept. Supercritical steam turbine blade design using bezier curves. Recently, with the support of the national th five years science and technology plan project of china, harbin boiler company limited has begun to develop the 660 mwe ultrasupercritical cfb boiler.

Its boiler is sliding pressure operation, and is the first plant to use supercritical boiler technology in indonesia. Pdf the flexibility of coalfired power plants must be improved to satisfy load fluctuations in. Construction of coalfired supercritical pressure power. Water steam circulation in supercritical boiler authorstream. Efficiency calculation has been done on the basis of parameters available for 660 mw supercritical pulverized fuel boiler used for electrical power generation.

Boiler package supplier doosan heavy industries, south korea. Supercritical 660 mw industrial milling auxiliaries. Thermal design features of 660 mw doublereheat cycle ultra supercritical steam turbine are detailedly discussed in this paper, the doublereheat technology is endowed with important significance for improving the thermal power generating technology and energy conservation, a model for. Standard technical features of btg system for supercritical 660800 mw thermal units i. In the analytical process, it has calculated the thermal stress, mechanical stress and the total stress of them, and analysed the change rules of them, so it provide the guidance of the. The spacing between the upper and lower burners is 6. Water steam circuit in supercritical boiler for 660mw. Bhel commissions 660 mw supercritical thermal unit in. Thermal design features of 660 mw doublereheat cycle ultrasupercritical steam turbine are detailedly discussed in this paper, the doublereheat technology is endowed with important significance for improving the thermal power generating technology and energy conservation, a model for. A supercritical steam generator is a type of boiler that operates at supercritical pressure, frequently used in the production of electric power in contrast to a subcritical boiler in which bubbles can form, a supercritical steam generator operates at pressures above the critical pressure 22 megapascals 3,200 psi. China brings online the worlds first 600mw supercritical. The erection and commission of the 600 mw e sc cfb was finalized by the end of 2012. The development of a modern 660 mw coaldust generator unit with supercritical steam parameters is described.

Nov 14, 20 we present the main technical solutions adopted in designing annularfurnace boilers intended for operation on brown coals of the prospective maikubensk opencast mine in kazakhstan as part of 660 mw power units for ultrasupercritical steam conditions. Adani power mundra 660 mw harbin supercritical boiler dongfang turbine foxboro dcs tpcil krishnapatnam 660 mw harbin supercritical boiler. Development features of supercritical ultrasupercritical. Numerical analysis on combustion process and sodium. Current designs of supercritical plants have installation costs that are only 2% higher than those of subcritical plants. Indian scenario of super critical power plants issues and. Nigrie thermal power plant 2x660 mw project profile jaypee nigrie super thermal power project comprising 2 x 660 mw supercritical unit will be set up by jpvl at a site in nigrie village, tehsil deosar, district singrauli in madhya pradesh. Cl and siemens are in the process of jointly developing a 660 mw supercritical cfb boiler suitable for indian conditions.

An annularfurnace boiler for the 660mw power unit for. From 1967, when japan first imported the supercritical units 660 mw, 24. Supercritical rankine cycle phase fluid supercritical type boiler is. C from america, to the end of 1985, there were 77 sets of supercritical unit put into operation, includings many 700 mw and mw supercritical pressure units. Turbine package supplier power machines, russia sipat 660 mw boiler. Once through supercritical, two pass, balanced draft, out door furnace width 18816 mm, depth 18144 mm, volume 21462 m3 super heater. Coal requirement for a 2 x 660 mw supercritical power station is estimated to be of the order of raw coal 6. Bhel is the leading power equipment manufacturer in the domestic market with orders for 48 sets of supercritical boilers and 41 sets of supercritical turbine generators placed by various utilities the highest in the country for any power. Complete technology transfer of supercritical boilers to joint venture. Super critical thermal power plant boiler efficiency. Best practices manual for indian supercritical plants partnership to advance clean energy deployment paced paced technical assistance program february 2014 this report is made possible by the support of the american people through the united states agency for international development usaid. The first unit of the plant consists of 1 x 660 mw coalfired power system having one turbine generator, one steam turbine and a balance of plants. Development of mshaped boiler for ultrasupercritical steam parameters for mw power unit sergey chernov1, vadim prokhorov2 and vladimir kirichkov3 national research university moscow power engineering institute nru mpei, krasnokazarmennaya str. This is achieved by raising the steam in the boilers, expanding it through the turbine and.

Many types of supercritical once through boiler design exist. Based on this extensive research, the conceptual design of a 600mw e sc cfb boiler was completed by harbin boiler co. Jun 17, 2010 the development of a modern 660 mw coaldust generator unit with supercritical steam parameters is described. Generating capacity gross mw boiler type babcockhitachi supercritical sliding pressure operation benson boiler steam pressure main 3550 psig main 1112 deg. Analyzing the temperature control of steam purging of 660mw ultra. Designed for both base load and full boiler variable pressure load cycling operation as well as onoff cycling operation. The increased pressure also increases cycle efficiency and, although this effect is a secondorder effect compared with the effect of temperature, it. The thermal efficiency of doublereheat cycle steam turbine will increase 1. Supercritical units are more efficient, ecofriendly and consume lesser coal.