Operation and maintenance of coal handling system in thermal. Thermal power plant pressure dense phase pneumatic ash plc. He has published several research papers in the area of bulk solids handling in top international journals. The energy efficiency of a conventional thermal power station is defined as saleable energy produced as a percent of the heating value of the fuel consumed. Steamcturbine power plant which is sometime known as coal based power plant or thermal power plant, is a major source of electrical energy for any country. Necessity of coal handling system a 600mw power plant handles about 7200 tons of coals per day. In a coal based thermal power plant, the initial process in the power generation is coal handling. Swapan basu, ajay kumar debnath, in power plant instrumentation and control handbook, 2015. Wherever products are burned it is necessary to have an energy efficient ash handling system, especially in. Thermal power generation plant or thermal power station is the most conventional source of electric power. This is the responsibility and duty of the chp and its staff. Detailed project report 2x mw coal based tpp at paguthan, bharuch district, gujarat india table of content page 1 of 140 table of contents.
Coal plays a vital role in electricity generation worldwide. 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. The fuel is transported from mines via trains to the fuel storage facility in a power plant. In the thermal power plants maximum requirements of fuel is a coal.
Thermal power plant 1 no transcript 2 introduction in india 65 of total power is generated by the thermal power stations. The 400mw plant uses five pulverizers for bituminous and prb cases, and six for lignite. Coal handling plant of thermal power station seminar. Application of system analysis for thermal power plant heat. The search for actions that can minimize speed variations in. An intelligent conveyor control system for coal handling. The fuel is then fed to the boiler generating a large amount of combustion heat. The control system, which will replace the existing system, must overcome all the drawbacks of old system. Fault diagnosis of coal ring crusher in thermal power plant. Ifcoalisdeliveredbytrucks,thereisnoneedofunloading device as the trucks may dump the coal to the outdoor storage.
Operation and maintenance of coal handling system in thermal power plant article pdf available in procedia engineering 26. Coal is transported in thermal power station either by railways,roadways or rope ways. Thermal power generation plant or thermal power station. Coal handling system coal handling plant in thermal. It also processes the raw coal to make it suitable for boiler opeartion.
Ash handling system of coalfired power plant is a advanced, economic, environmental science and. Ash handling system in thermal power plant ash handling. Operation and maintenance of coal handling system in. The coal handling system shall be controlled from the following control points. Coal handling plant in a thermal power generating station. A simple cycle gas turbine achieves energy conversion efficiencies from 20 to 35%. Standard design criteria central electrical authority. It is absolutely essential to have an efficient fuelhandling system in power plants. Indian coal is managed using giant coal handling plants chps.
Construction and maintenance of belt conveyors for coal. This video shows the coal handling system which transfers coal from jetty to raw coal bunkers. Coal can be handled either manually or mechanically. Operation and maintenance of coal handling system in thermal power plant j. Coal crushing equipment of coal handling plant system in the thermal power. 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. For a subcritical plant it is below 42% for a new plant. Yokogawa electric corporation the paper briefly discusses on the one hand the different steps of the application of a scada system and the difficulties to manage and on the other hand it presents three examples of the application of a scada system in a tpp in tunisia and the. A series of such switches are arranged in series at a 1m distance on the side of. Pdf compared with actual situation of the current thermal power plant, this paper studies operation process of coal handling system in. Before going into detail of this topic, we will try to understand the line diagram of electric power generation plant. Find details of companies offering coal handling plant at best price. Coal handling system in thermal power plant youtube. Thermal power plant free download project of php,java.
Scada applications in thermal power plants tpps photo credit. Coal handling plant consists of track hopper,feeders, conveyor system, roller screen, crusher, stacker reclaimer, compressor,dfds system,ttr,pumps etc. The initial process in coal based thermal power plant is coal handling. Thermal power station process flowchart and diagram. The portion of the ash that escapes up the chimney or stack is, however, referred to as fly ash. Coal handling plant layout thermal power generation station. In the coal based thermal power plants, where the initial process to generate electricity is the handling the huge or tremendous amount of coal. This phenomenon results in internal agitation to the material on belt and therefore the materials external faces assume inclination at surcharge angle.
Limited india for 5 years, where he designed several coal and ash handling systems for thermal power plants. Maintenance strategy optimization of a coalfired power plant. Generally bituminous,brown or peat type coal are used as the fuel of coal basesd thermal power plant in a thermal power palnt, coal is burnt in a big boiler which produces steam at high pressure and temperature. Coal handling plant layout in thermal power generation posted by saif in this post, you learn about what is coal handling plant its layout, requirement for coal handling plant, method of coal storage and fuelburning, ash handling and its treatment.
Today we will learn about thermal power plant, its main components along with working and its advantages and disadvantages. The design of steam power station requires wide experience as the. Almost all chp these days implies reactive maintenance with support of preventive maintenance. Compared with actual situation of the current thermal power plant, this paper studies operation process of coal handling system in thermal power plant. In case the coal is brought by railway wagons, ships or boats,theunloadingmaybedoneby carshakes,rotarycar dumpers,cranes. Thermal efficiency of a thermal power plant is the ratio of electrical energy generated to the chemical energy of fuel consumed. Ppt thermal power plant powerpoint presentation free. The system includes transfer tower, belt conveyor, coal. 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. Bottom ash ash generated below furnace of the thermal power plant is called the bottom ash. 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.
Detailed project report for 2x mw imported coal based. Dry ash collection at coal fired power plants and potential for wte. Coal handling plants a complete details about chp equipments. How coal is managed in the giant coal handling plants of. The crucial way of power generation starts with the fuel management system. Scada applications in thermal power plants tpps eep. Thermal power plant is also referred as coal thermal power plant and steam turbine power plant. India has large deposit of coal about 170 billion tonnes, 5th largest in world. 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.
Many utility systems in the world have power plants operating with fossil fuel. Usually coal will be transported to plant through railway wagons if it is a pithead power station t. Ash handling options for coalfired power plants power. An example of this method is presented in 1, regarding operation and maintenance of coal handling system in a thermal power plant.
Pdeen bandhu choturam thermal power plant is a project of haryana power generation corporation limited hpgcl. Coal handling plant of thermal power station seminar reportpdfppt download abstract. Generally, bituminous coal or brown coal is used as fuel. More than 60% of electric power is produced by steam plants in india. In thermal power plants, coal is used as a fuel for generating electricity. The system, which is suggested, will work by only using tachometer, load cell and electronic cards in place of relays. After burning of coal, 40 % of total coal consumption is converted into ash which need to be properly disposedoff from the thermal power plant. 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. Coal ring crusher plays a critical role in coal handling plants chp of thermal power station.
The entire water requirement of the ashhandling system may be met with circulating water where the plant does not have a cooling tower facilitythat is, for a oncethrough system in coastal stations using lake or river water, or seawater. Maintenance of critical equipments for coal handling plants chp. Coal handling at vinh tan 4 thermal power project vinh tan 4 plant will use approximately 2. Pdf operation and maintenance of coal handling system in. The coal is stored in either dead storage or in live storage. The paramedics are also involved in health promotion and safety training for bma workers. On the one hand, a significant investment in maintenance is. Development of condition based maintenance for coal. Coal and ash handling in thermal power plant mcqs with answers ahsan 071919 good information and some more info like size of coal and equipment descriptions or dictionary of these terms to be included. Ash handling plant an overview sciencedirect topics. 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. Thermal power plant free download as powerpoint presentation. Coal and ash handling in thermal power plant mcqs with.
In order to increase the efficiency of machine, it is required to measure the faults generated during operation by proper monitoring of the system. In a coal based thermal power plant, coal is transported from coal mines to the generating station. The fuel transported to the plant is generally bigger in particle size and before it is fed to the boiler furnace it is broken down into smaller pieces using crushers. Operation and maintenance of coal handling system in thermal power plant. Thermal power plant or steam power plant is a generating station which converts heat energy of fossile fuels into electrical energy. Unit1 thermal power stations introduction thermal energy is the major source of power generation in india.
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