Introduction like gas and liquid fuel, coal is a material which can be stored in large quantities. Modification of coal handling system in boiler power plant. Sample of coal is randomly collected from each rake and detailed chemical analysis, calculation of calorific value is carried out and is confirmed whether it is as per agreement with the coal mines or not. Coal handling plant of thermal power station seminar reportpdf get srs, reports, summer training ppts, pdf etc please find the following attachments herecoal handling plant of thermal power station seminar reportpdf more detailed. India has large deposit of coal about 170 billion tonnes, 5th largest in world. The function of coal handling is to receive, transport and transfer the coal from one transfer point to another transfer point. Coal handling plant of thermal power station seminar report. Unit1 thermal power stations introduction thermal energy is the major source of power generation in india. Pc plants have been in operation for many decades and have become the backbone of the electrical power industry in the united states. Nov, 2016 the initial process in coal based thermal power plant is coal handling. Auxiliary power consumption an overview sciencedirect. Bottom ash refers to the noncombustible constituents of coal with traces of combustibles embedded in forming clinkers and sticking to hot side walls of a coal burning furnace during its operation. Oct 30, 2014 working in coal handling plant in thermal power station. May 04, 2017 indian coal is managed using giant coal handling plants chps.
Maintenance of critical equipments for coal handling plants chp of. Ash handling system of a thermal power plant amay jain. There are different indian standards for construction and safety in power plants. After it passes through the turbine the steam is condensed in a condenser and recycled to where it was heated.
This article concentrates on automation trends in largescale coal handling systems based on current and future abb projects. Coal fired power stations generate over a third of the worlds electricity but cause hundreds of thousands of early deaths each year, mainly from air pollution. Technical instruction sheet coal handling in power plants vgbm 211e second edition 2012 published by vgb powertech e. Pdf automation of coal handling plant researchgate. A coalfired power station or coal power plant is a thermal power station which burns coal to generate electricity. Construction and maintenance of belt conveyors for coal. Coal is transported in thermal power station either by railways,roadways or rope ways. Note the two tall smoke stacks where the combustion products go into the atmosphere and the shorter, wider cooling towers. A simplified diagram of a pulverized coal pc power plant is shown in figure 1. Development of condition based maintenance for coal.
Free download of coal handling coal handling plant design free download coal is the biggest coal handling 30 june 20 1 prsentation free download of coal handling plant animation on coal view more rarr optimised coal handling abb group the development of new technologies for the handling of coal can thus contribute to making the use of coal. Basically conveyors are dumb, but once equipped with proper control system they yield efficient and safe plant operation. Find details of companies offering coal handling plant at best price. Project overview the blcp power plant is situated in the map ta phut. Implementation of quality management system for coal handling. Jun 17, 2010 analysis of coal chemical analysis of coal. Pdf equipments used at coal handling plant of a thermal power. In larger units, to reduce auxiliary power consumption and better steam utilization, a steam turbine is used to drive bfp in place of a motor. The initial process in coal based thermal power plant is coal handling. Could you please send me this ppt i really need this my email add. In brief we can say that receipt of coal from coal mines, weighing of coal, crushing it to required size and transferring the quantity of coal to various coal mill bunkers. The function of coal handling plant in thermal power plant is to receive, process, store, feed the coal bunkers consistently over entire life of the power plant.
In case the coal is brought by railway wagons, ships or boats,theunloadingmaybedoneby carshakes,rotarycar dumpers,cranes. Technical instruction sheet coal handling in power plants. The boiler is one of the main equipment in a coal power plant. The portion of the ash that escapes up the chimney or stack is, however, referred to as fly ash. The equipment generally operates intermittently for a set number of hours each day and does not consume a significant amount of energy. Best ppt on presentation on coal handling plant slideshare. Ifcoalisdeliveredbytrucks,thereisnoneedofunloading device as the trucks may dump the coal to the outdoor storage. Coal and ash handling in thermal power plant mcqs with answers. Thermal power plant free download project of php,java. Thermal steam power plants mainly consists of 4 circuits. Ppt thermal power plant powerpoint presentation free. A thermal power station is a power station in which heat energy is converted to electric power. Compared with actual situation of the current thermal power plant, this paper studies operation process of coal handling system in thermal power plant.
Pdf operation and maintenance of coal handling system in. Coal handling plant consists of track hopper,feeders, conveyor system, roller screen, crusher, stacker reclaimer, compressor,dfds system,ttr,pumps etc. Coal handling plant of thermal power station seminar report pdf ppt download abstract. Operation and maintenance of coal handling system in thermal power plant j. In a boiler, combustion of coal takes place with the help of air that comes through an air system. Extraction steam is the main source of steam supply to this bfpt. This coal is transfer from the underground bunker to crusher by series of conveyer belt. The following equipment used in coal handling plant. Swapan basu, ajay kumar debnath, in power plant instrumentation and control handbook, 2015. Usually coal will be transported to plant through railway wagons if it is a pithead power station t. Vgb powertech service gmbh publisher technicalscientific documents p. Bottom ash refers to the noncombustible constituents of coal with traces of combustibles embedded in forming clinkers and sticking to hot side walls of a coalburning furnace during its operation. Indian coal is managed using giant coal handling plants chps. Auxiliary power consumption an overview sciencedirect topics.
Analyze technical characteristics of coal handling system and operating. In the thermal power plants maximum requirements of fuel is a coal. Operation and maintenance of coal handling system in. Coal fired power plants are a type of power plant that make use of the combustion of coal in order to generate electricity. Coal and ash circuit coal produced in the mining site is transported to power plant site coal handling equipment for generation of steam the combustion of coal produces ash which is collected and removed to ash storage yard through ash handling equipments. How coal is managed in the giant coal handling plants of. Working in coal handling plant in thermal power station. Ppt thermal power plant powerpoint presentation free to. Coal handling protecting the coal mill by monitoring co and o 2 co and o 2 measurement in the coal mill is important for early warning of a smoldering fire andor a leak in the inerting system.
The basic theory of condition based preventive maintenance is to propose routine inspection to identify any degradation in the integrity of the systems during their service life and to provide an early warning in order that remedial action can be taken. Control and instrumentation of power plant subarna poddar. Coal handling system coal handling plant in thermal power plant. Aug 4, 2010 coal handling plant download as pdf file.
Coal handling at vinh tan 4 thermal power project vinh tan 4 plant will use approximately 2. Presentation on coal handling systems arnab chakraborty. Coal and ash handling in thermal power plant mcqs with. Coal handling plant chp is the main and major key system to transfer ton of coal fuel to the boiler plant. In either scenario, epa regulations will be more stringent with the elimination of wet ash handling and the phasing out of surface impoundments ponds for all coalfired power plants. Coalfired power stations generate over a third of the worlds electricity but cause hundreds of thousands of early deaths each year, mainly from air pollution a coalfired power station is a type of fossil fuel power station. It also processes the raw coal to make it suitable for boiler opeartion.
This phenomenon results in internal agitation to the material on belt and therefore the materials external faces assume inclination at surcharge angle. Dust control systems in coal handling plant environmental. Coal and ash handling in thermal power plant mcqs with answers q1. The problems faced in coal stacks and factors affecting the spontaneous combustion of coal like coalification degree, petrographic composition, moisture content, mineral content, particle size, pyrite content are discussed independently. Conveyors are seen on virtually all in the coal handling plant chp. Almost all chp these days implies reactive maintenance with support of preventive maintenance. Design and construction overview of the biggest coal fired. Similarly, coal quality can have a significant impact on heat rate, specifically affecting boiler thermal efficiency, auxiliary power. Equipments used at coal handling plant of a thermal power plant. In this paper an integrated solution of coal handling plant is given to meet the. Get srs, reports, summer training ppts, pdf etc please find the following attachments herecoal handling plant of thermal power station seminar reportpdf. A coal fired power station or coal power plant is a thermal power station which burns coal to generate electricity. Pdeen bandhu choturam thermal power plant is a project of haryana power generation corporation limited hpgcl.
An intelligent conveyor control system for coal handling. More than 60% of electric power is produced by steam plants in india. Feb 20, 2008 lots of care is always needed to reduce dust emission. In either scenario, epa regulations will be more stringent with the elimination of wet ash handling and the phasing out of surface impoundments ponds for all coal fired power plants. Ash handling options for coalfired power plants power. This is the responsibility and duty of the chp and its staff. Coal handling plants a complete details about chp equipments. An evaluation of the impacts of a coal change, especially to a lower quality coal, on the capacity of a specific unit requires considerations of the capacities of essentially all power plant components. Operation and maintenance of coal handling system in thermal. In simple coal handling systems following equipment are used in old days.
So in this article i will discuss the overall processes carried out at a coal handling plant in a coal based thermal power generating station. Construction and maintenance of belt conveyors for coal and. In a coal based thermal power plant, the initial process in the power generation is coal handling. Hope some more postings which is related to power plant safety process, construction, health hazards, etc. Many utility systems in the world have power plants operating with fossil fuel. Vinh tan 4 thermal power plant, binh thuan power technology. The coal will be unloaded and transported to the coal yard by conveyor belts, before being delivered to the bunker bay in the main station building via a bucket wheel stacker.
Coal handling plant coal transported to the plant by the rail line and carrier trucks. Coal handling plant of thermal power station seminar reportpdfppt download abstract. Water is heated, turns into steam and spins a steam turbine which drives an electrical generator. Coal handling coal unloading by rake truck at track hopper or at any other designated place and shifting of same on instruction of balco in charge.
The data are analyzed and compared with world class to obtained oee. Coal handling plant of thermal power station seminar. The plant cooling system uses mechanicaldraft cooling towers with a circulating water temperature rise of 20f. Jun 30, 20 it also processes the raw coal to make it suitable for boiler opeartion. Then me attaching a pdf file which is particularly about power plants. The coal has to size, processed, and handled which should be done effectively and efficiently.
Maintenance of critical equipments for coal handling plants chp. Safe coal handling practices are designed to ensure that the fuel remains intact throughout its journey from the mine until the point at which it is ignited in the boiler. In a pc plant, finely ground coal is fed into a boiler with air where it is combusted, releasing the coals chemical energy in the. It burns coal to generate heat that is used to boil the water present to produce steam. In developing countries, all most all systems used in power station coal. Hazards identification and risk assessment in thermal. Coal crushing bunkering shall be contractor responsibility. To achieve the goal of safe, efficient, and economical coal firing system designs, both users and regulatory personnel must have an understanding of the hazards involved in coal fired systems and the nature of the problems involved in the use of pulverized coal. The control systems used for these conveyors are important for operating safe plant. The crucial way of power generation starts with the fuel management system. In the coal based thermal power plants, where the initial process to generate electricity is the handling the huge or tremendous amount of coal. The condensers are evaluated as multiflow units, one per each twoflow lp unit. World dangerous idiots bulldozer heavy equipment operator skill fastest underwater dozers driving duration.
Coal handling safety risks of unwanted combustion potentially causing injury, damage and downtime occur everywhere that coal is handled, processed or stored. The mkas analyzer system equipped with an explosionprotected sampling probe is the ideal solution for this. Development of condition based maintenance for coal handling. Thermal power plant 1 no transcript 2 introduction in india 65 of total power is generated by the thermal power stations. The coal handling portion of a power plant can encompass every piece of equipment from rail, truck, or barge unloading to the conveyors, crushers, and storage bins. Pdf compared with actual situation of the current thermal power plant, this paper studies operation process of coal handling system in thermal power. Their use provides around 40% of the worlds electricity and. Coal handling is the essential preparation of coal for the feeding coal to the. Coal handling plant in a thermal power generating station. A forced draft fan sucks the air from the atmosphere and blows it into the. Coal handling plant of thermal power station seminar reportpdf.