Electrostatic precipitators are mandatory nowadays in thermal power plants and other power plants where there is a discharge of flue gases. This seminar educates participants on the theory and operation of electrostatic precipitators esp attendees will explore factors affecting esp performance, such as normal maintenance techniques, normal maintenance procedures, and current trends in energization of precipitators. Once an esp is accurately modeled, the model can be used as an analytical tool to diagnose problems and to suggest ways to improve efficiency. Steam is produced in the boiler by utilizing the heat of coal combustion. During the entire project period it was observed that he was disciplined, punctual, hard working and enthusiastic, fully committed to his task and always interacting with the. Objectives at the end of this lesson, you will be able to do the following. Based on the same trusted technology, the sq300 i hybrid avc has the ability to control either a conventional, singlephase transformer rectifier tr set or a low ripple, 3phase tr set as an integral component of the precipitator control. Electrostatic precipitator, also called electrostatic air cleaner, a device that uses an electric charge to remove certain impuritieseither solid particles or liquid dropletsfrom air or other gases in smokestacks and other flues. View and download powerpoint presentations on electrostatic precipitator ppt. An esp uses a high voltage electrostatic field to separate dust, fume or mist from a gas stream. Electrostatic precipitator design equations formulas. Construction, working, operation and maintenance of. Find powerpoint presentations and slides using the power of, find free presentations research about electrostatic precipitator ppt. The precipitator consists of vertical parallel plates collecting plateselectrodes.
Note the extremely high efficiencies, nearing 100%. Typical efficiency of an electrostatic precipitator as a function of the corona power ratio, which. Electrostatic precipitator uses the highintensity electric field to ionise the. And our engineered upgrades, quality components and replacement parts, and aftermarket services help keep existing esps running efficiently and effectively, regardless of oem. Electrostatic precipitator increased moisture can benefit dust resistivity. An electrostatic precipitator consists of electrically grounded plates with negativelycharged electrode suspended between them. Sep 25, 2019 how an electrostatic smoke precipitator works. This is the principle of electrostatic precipitation, and electrostatic precipitator apply this principle on an industrial scale.
This shows that the electrostatic precipitator can collect par tides effectively down to the order of 0. This electrical equipment was first introduced by dr. Ppt electrostatic precipitators powerpoint presentation. Electrostatic precipitator electrostatic air cleaner alphair. Criteria for designing electrostatic precipitators. The steam is then expanded in the steam turbine and is condensed in a condenser to be fed into the boiler again. An electrostatic precipitator esp is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit. Electrostatic precipitator calculator solving for electrodes collecting area given collection efficiency estimate, gas flow rate and particle drift velocity. When these fuels undergo combustion, smoke is produced.
Types of electrostatic precipitators gas flow through a tubular precipitator. Increased acids can benefit dust resistivity excessive moisture or acids can degrade rapping and increase corrosion elevated co possible. Through international collaboration and consensus building, isesp develops and promotes education and training guidelines for electrostatic precipitation. Hiroshi hosono engineering department of tunnel ventilation systems. Sunil v ranalkar ae nashik training center presentation introduction methods for removal of fly ash particles from flue gas electrostatic precipitator. But whether electrostatic precipitators perform the function expected from them can be determined by measuring the efficiency of the device. Jan 27, 2019 before we go into the efficiency of an electrostatic precipitator, let us first understand what corona power ratio is not to be confused with corona discharge. Esp construction by sunil ranalkar assistant engineer nasik training engineer ash produced in power plants.
The precipitator functions by applying energy only to the particulate matter being collected, without significantly impeding the flow of gases. A study about electrostatic precipitator by, ninad bab arao ghormade 2. Electrostatic precipitator manufacturers, suppliers. Describe how an esp operates to collect particulate matter 3. It is a modern, comprehensive training manual that combines theory and design with a practical handson, daytoday approach to electrostatic precipitator and fabric filter maintenance based upon over 40 years of actual experience. Cottel in 1906 and was first economically used in 1937 for.
An electrostatic precipitator esp is a particle control device that uses electrical forces to move the particles out of the flowing gas stream and onto collector plates. Today electrostatic precipitators have come a long way and are widely used in all major power plants, chemical, cement and. Inside, high voltage electrodes impart a charge to the particles. Electrostatic precipitator pollutioncontrol device. Electrostatic precipitator market size estimation to reach usd 18 billion by 2024 electrostatic precipitator market size was valued at usd 8. The upgrade of reinhold environmentals 2001 version of the pctm became available in march 2008. The precipitator consists of vertical parallel plates collecting plates. Electrostatic precipitator using weak corona discharge. The saveenergy wet electrostatic precipitator is a highcapacity separator. Jan 27, 2019 electrostatic precipitators are mandatory nowadays in thermal power plants and other power plants where there is a discharge of flue gases. An electrostatic precipitator esp is a large, industrial emissioncontrol unit. He has been working under my guidance from 3nd to 30th june 2010. Electrostatic precipitators training video convergence training.
An electrostatic precipitator is a type of filter dry scrubber that uses static electricity to remove soot and ash from exhaust fumes before they exit the smokestacks. Esp operation electrostatic precipitators use electrostatic charges to separate particles from a dirty gas stream. Corona power ratio is the ratio of power consumed in watts to the airflow in cubic feet per minute. Electrostatic precipitator training redkoh industries manufactures electrostatic precipitator controls for three decades, including analog, solid state, and microprocessor type controls for the air pollution control industry in the usa and worldwide. In the simplest terms, a precipitator is a device that utilizes electrostatic forces for the collection of particulate. An electrostatic precipitator esp removes particles from a gas stream by using electrical energy to charge particles either positively or negatively. Monitoring by control technique electrostatic precipitators. Regarding particulate removal, the surfaces in a dry esp are rapped or vibrated, and the tubes in a wet esp. It is designed to trap and remove dust particles from the exhaust gas stream of an industrial process.
In weighted wire systems, the discharge electrodes are held taut by weights at the lowerendofthewires. A simplified drawing of the circuitry from the primary control cabinet to the precipitator field is shown in figure 2. A gas stream with particulate material to be removed is introduced between the plates. Most power stations burn fossil fuels such as coal or oil to generate electricity for use.
Math geometry physics force fluid mechanics finance loan calculator. Electrostatic smoke precipitators work by forcing dirty flue gas the gas escaping from a smokestack past two electrodes electrical terminals, which take the form of metal wires, bars, or plates inside a pipe or smokestack. An electrostatic precipitator, or esp, is one method for removing particulate matter from flue gas. Electrical and chemical diagnostics of transformer insulation. Electrostatic precipitator, a device that uses an electric charge to remove certain impuritieseither solid particles or liquid dropletsfrom air or other gases in. Introduction many industrial, power generation and chemical processes produce unwanted fine particulate material as a consequence of their. Dry electrostatic precipitators are often referred to as dry esps or desps while the wet electrostatic precipitators are referred to as wet esps or wesps. Technical paper presentation topics for electrical engineering. Kenneth parker and norman plaks under subcontract to.
Electrostatic precipitator training seminar ash handling. The collected particles may be removed from the collector plates as dry material dry esps, or they. There are 42 suppliers who sells electrostatic precipitator cost on, mainly located in asia. Cold side esps 1 volume of flue gas that is handled is less. The electric charge on the electrode creates a corona field which imparts a negative charge to the particulate. Having been offering electrostatic air cleaner to purify the cooking fume in hotels, catering enterprises, company canteen and fume from many other areas since 1995, lanying environmental protection technology co.
Electrostatic precipitator pollutioncontrol device britannica. Due to strict regulation and everincreasing air pollution, installing one in a thermal power plant or any other power plants where flue gases are released, have become a necessity. Electric field line patterns two equal but like point charges at a great distance from the charges, the field would be approximately that of a single charge of 2q the bulging out of the field lines between the charges indicates the repulsion between the charges the low field lines between the charges indicates a weak field in this region. When the pollutant is fine particulate or aerosols and the control device is an electrostatic precipitator, what can the inspector do to confirm that it is operating properly. Alphair is a trademark held by our company on our highquality electrostatic precipitator to remove exhaust fume and odor from hvac air systems, commercial kitchens, workshops, etc.
We are one of the bestknown early manufacturers of electrostatic air cleaner electrostatic precipitator in china since 1995. The particles are given an electrical charge by forcing them to pass through a corona, a region in which gaseous ions flow. Working of electrostatic precipitator an esp works because of electrostatic attraction like charges repel. We tend to classify the precipitator as a highefficiency collector, comparable to the fabric baghouse or highpressure venturi scrubber. Sunil v ranalkar ae nashik training center presentation introduction methods for removal of fly ash particles from flue gas. Ppt electrostatic precipitator powerpoint presentation. The program is a product of the electric power research institute and runs in the windows environment. An electrostatic precipitator is a large, industrial emissioncontrol unit. The precipitator is provided with longitudinal bottom hoppers or with pyramidal. Electrostatic precipitators for particulate matter control. Electrostatic precipitator esp training manual science. Electrostatic precipitator using weak corona discharge generated by carbon fiber flocking electrodes atsushi katatani dept.
Electrostatic precipitator was undertaken by sayantan jana under my supervision at nspcl, rourkela. The vast majority of industrial electrostatic precipitators are of the dry type, though wet precipitators are gaining popularity. Construction, working, operation and maintenance of electrostatic. Designing electrostatic precipitators 193 pulverized fuel ash. A generating station which converts heat energy of coal combustion into electrical energy is known as a steam power station. The wet procedure guarantees dust emissions of below 10 mgnm 3 at an availability of around 99% the separator pipes are predominantly cleaned in a natural process via the condensate film forming on the surfaces of the separator pipes. Electrostatic precipitators chemistry phases of matter. With ever increasing concern about environmental pollution and the need to reduce it, electrostatic precipitators have become a necessity. Electrostatic precipitator efficiency electrical4u. Baltec australias electrostatic precipitators training course will help the inspector understand the fundamentals of electrostatic precipitator operation and the likely. It is designed to trap and remove dust particles from the exhaust gas stream of an industrial process by using the force of an electric field. Lesson 1 electrostatic precipitator operation goal to familiarize you with the operation of electrostatic precipitators esps.
Introduction an electrostatic precipitator is a large, industrial emission control unit. Components of electrostatic precipitator electrical4u. Dipti ranjan khuntia ee200117115 technical seminar 2004. Depending on the process and the ambient conditions, the electrostatic precipitator is designed to withstand a variety of conditions, including high temperatures, under or overpressure, and naturally occurring forces, such as wind, snow, and earthquakes. In contrast to wet scrubbers, which apply energy directly to the flowing fluid medium, an esp applies energy. The electrostatic precipitator uses electrical forces to capture either liquid or solid particulate matter from a flue gas system. Epa600r04072 july 2004 electrostatic precipitator esp training manual prepared by. Electrostatic precipitator ppt by ran fly ash particulates scribd. Electrostatic precipitator, a device that uses an electric charge to remove certain impuritieseither solid particles or liquid dropletsfrom air or other gases in smokestacks and other flues.
Alpahir electrostatic precipitator,lanying environmental. Electrostatic precipitators training video convergence. Modeling and simulation of an electrostatic precipitator. The precipitator functions by applying energy only to the particulate matter being collected, without. It is designed to trap and remove dust particles from the. Electrostatic precipitator electrostatic air cleaner. Isesp strives to make this valuable knowledge and experience available to the electrostatic precipitator community at large by providing teaching and training to professionals in the field of. An electrostatic precipitator esp is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit in contrast to wet scrubbers, which apply energy directly to the flowing fluid medium, an esp applies energy only to the particulate matter being collected and. Schematic diagram of circuitry associated with precipitators the most commonly used meters are the. The particulate laden gases enter one area of the vessel and exit another area clean. We need electrostatic precipitator in order to reduce pollutants emitted into. Electrostatic precipitator ppt by ran free download as powerpoint presentation. A manual of electrostatic precipitator technology part i fundamentals prepared under contract cpa 226973 for the national air pollution control administration division of process control engineering cincinnati, ohio by sabert oglesby. High voltage, direct current electrodes are used to establish a strong electric field.
Srivastava national risk management research laboratory research triangle park, nc 27711. The charged particles are then attracted to collector plates carrying the opposite charge. Electrostatic precipitators have become the norm now in industries. Sep 22, 2016 this is the principle of electrostatic precipitation, and electrostatic precipitator apply this principle on an industrial scale. The manual assists engineers in using a computer program, the espvi 4. This module will describe the major components as well as the purpose and operating principles of an electrostatic precipitator.
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