Its ignition temperature is very less when compared to hfo or coal. Safe operation and explosions in boilers 8,224 views. Controlled heating, through these reactions ensures maximum strength. Check for dry fuel mm is available in bunker and gates below bunker are open and fuel is available at feeder.
Describe the routine safe and efficient operation of a packaged boiler. National workshop on efficient operation and maintenance of boilers organized by national productivity council at visakhapatnamap presented by. Ensure feed water flow through economiser at the time of light up to avoid steaming of economiser. The following activities are to be done in sequence for light up of boiler. Afbc fuel coal ksk, vijayawada 90 mw afbc with out using fuel additive thermact during usage of fuel additive thermact nox emissions 1040 mgnm3 679 mgnm3.
One that not only starts up efficiently but continues to operate efficiently year in and year out. Job came through the brent age concern, so i had to go although the weather was too bad and the roads were mad with black ice. The procedure describes routine test for both oil fired and solid fuel fired boilers using coal. Afbc boiler hotwarm startup procedure in this article we discussed about the afbc boiler hot startup and cold startup of boiler. How to run a coal fired boiler at the best efficiency. The test is not allinclusive, the functional test script must be generated and tailored using the mechanical drawings, equipment schedules, project and equipment specifications along with the owner requirements. Proper boiler lay up procedures prevention of corrosion in a boiler in standby condition is more difficult than in an operating boiler. During warm months, boilers are turned off to save fuel and electricity.
The guide must not be interpreted as a set of regulations or restrictions on installation practice, nor does it prevail over relevant installation standards or more specific instructions given by boiler manufacturers. Further six 6 nos afbc boilers are under various stages of erection and commissioning. Check the chimney draft, it must be around 1520 pa. The article explains staring and stopping procedure for a boiler on ship. A free powerpoint ppt presentation displayed as a flash slide show on id. An outline of common items you should check with your boiler startup procedure. Steps to bring a cold boiler system on and offline cleaverbrooks. Afbc boiler is a very developing technology now these days this technology is widely used in the industrial boiler for the purpose of efficient and clean burning of coal and other fuel for steam generation. Control of sox nox coal fired power plants conference.
Cfbc boiler startup and shutdown cfbc boiler startup survey on startup operation procedure for indian fluidised bed keywords. The refractory usually undergoes considerable chemical changes, during initial heating. Main combi 24 he how to reset the flame failure lockout. Last months tip sheet detailed startup procedures in a hot system. Boiler operator study guide 10421 west markham little rock, ar 72205 501 68245. Up to 200 tph twelve 12 nos afbc boilers having capacities varying between 55 tph to 170 tph have already been commissioned. Ensure that ignition energy permit is available as given in fsss logic for the elevation in which mill is to be put into operation. While heating, there must be free air flow over the system to ensure removal of moisture. Follow the boiler manufacture s cool down procedure and be sure to rinse out the boiler as soon as the boiler is cool to avoid dried and baked on sludge deposits later on. The alkali boil out of a boiler is carried out in order to clean the internal surfaces of the watertouched parts from oil, grease, rust, silica and other adhered impurities b scope. Proper commissioning and initial startup procedures extend. Condensate is condensed steam which has been cooled in the plant heating or process system and returned to the boiler system. Case studies shree rama news print limited 90 tph afbc boiler surat with out using fuel.
The start up was a hit cfbc boiler, cfbc boiler start up procedure regarding the cfbc bioiler start up procedure, the methods of combustion employed in the boilers vary depending on factors such as fuel used, type of boiler, capacity of boiler in terms of tph etc. Afbc atmospheric bubbling fluidized bed combustion cfbc circulating fluidized bed combustion long answer. Describe the boiler and steam header warm up procedures. Installation, operating and service instructions for series 2. High pressure hp and low pressure lp bypass systems are used for quick start up of the unit as well as during tripout, where load rejection at the. Step 5 boiler owner has to submit all documents and test reports related to boiler, boiler components, mountings, fittings and steam pipeline before final hydraulic test. Commercial boilers this manual must only be used by a qualified heating installerservice technician.
The control required on all boilers to shut off the main fuel. Procedure this procedure is written for the east boiler in the power plant. Bed heightfd air pressure static height for afbc boiler is to be maintained 300 to 325 mm during initial light up of boiler. Atmospheric fluidised bed combustion boiler afbc capacities. Afbc boiler light up procedure boiler valve scribd. Heating system water is hot water circulated in a closed system. The boiler manholelids are mounted from the inside of the boiler so that the boiler pressure will help to keep them tight. To lay down the procedure for cleaning and maintenance of boilers. Learning objectives here is what you will be able to do when you complete each objective. Why dont fictional characters say goodbye when they hang up a phone. Boiler model number boiler serial number installation date 2 heati ng contractor pho numbe. Then we will have permissive to light up boiler by using ldo we c. Lattner boiler company new boiler boilout recommendations. Coal fired boiler system generates approximately 38% of the electric.
When seeking information on boiler, provide boiler model number and serial number as shown on rating label. If the cooled boiler is to be left filled with water for an extended period of time, take the proper wet lay up precautions to protect the boiler from corrosion. Boiler design circulation issues, load issues certain types of boilers have known issues loads higher than design can lead to carryover and other issues such as level control low loads can worsen circulation issues history of the boiler to be inspected. Our industrial steam boiler manufactured strictly according to national and international standard. Users information manual this manual is intended for the owner or user of the boiler and provides information on routine operation and maintenance, and emergency shutdown. This section is all about afbc and cfbc boilers circulating fluidised bed combustion operation manuals. Boiler water treatment introduction a boiler is a closed vessel in which water under pressure is transformed into steam by the application of heat. Mar 30, 2015 fluidized bed combustion fbc is a combustion technology used to burn solid fuels.
Safe operation and explosions in boilers slideshare. Fbc boilers bureau of energy efficiency 145 figure 6. Afbc and cfbc boilers circulating fluidised bed combustion operation manuals presentations. Boiler was in sellons avenue, harlesden london nw10. Scribd is the worlds largest social reading and publishing site. Energy performance assessment of boilers bureau of energy efficiency 1 1. New lattner boiler boilout recommendations with proper operation and maintenance you can expect years of trouble free service from your new lattner boiler. Installation, operating and service instructions for series 2 gas fired boiler for service or repairs to boiler, call your heating contractor.
Boiler inspection guidelines for drum level instrumentation requirements from section i of the asme boiler code c ourtesy f updated to include the 2011 code addenda with recommendations from section 7 effective january, 1 20. With warming water temperatures will produce refractory materials that will. A dry boiler lay up protocol should be used if boiler will be shut down for an extended period or when there will be no foreseeable urgency to restart the boiler. Drain the bed through the bypass gate up to no unburnt coal is observed in the bed.
He shall be able to light off the boiler or boilers in a safe manner. Inspection procedure of boilerseconomisersteampipeline. In case of to large chimney draft, draft regulator should be used. Fluidized bed combustion fbc is a combustion technology used in power plants. Hence the manholes have to be elliptical in shape to make it possible to take the lid out from the boiler. Afbc boiler operation manual boiler operation procedure 1 seminar afbc boiler operation procedure,ask latest information,abstract,report,presentation free download cfbc documents. Proper boiler water treatment is the key to a successful steam boiler startup and commissioning process.
Boiler operator licensing a any company, corporation, business, school, city, county, or other governmental agency may adopt the boiler operator licensing program herein described, and require that individuals within its employ or. Cfbc boiler s,ebooks and documents of cfbc boiler operation manual thermax afbc boilers, c and start the ash handling system. Standard operating procedure for repair of boiler 1 submission of requisite fees for reinspection under repair of boiler in the head of accounts. Hot start up afbc boiler, light up of afbc boiler, warm in this article we discussed about the afbc boiler hot startup and cold. Expand bed height for afbc boiler is to be maintained 500 mmwc to 600 mmwc. Replace or repair the decision to purchase a new boiler is typically driven by the needed replacement of an old boiler, an expansion of an existing boiler room, or construction of a new boiler room facility. Atmospheric fluidised bed combustion boiler afbc enmas. Start up firing procedure for afbc boilerheater bed. Post all instructions and manuals near the boiler for reference by service personnel. To take ldo we have to purge boiler for five minutes. To verify whether there are clear identifications on design modification or change in drawings. Valves on feed line connecting to feed pumps operation.
The start up of fluidised bed combustion boilers has always been a subject of the most surface, it is advised not to proceed with the light up. Roughly 50% of the losses can be tuned to the optimum and the other 50 % is governed by fuel properties like hydrogen in fuel, moisture in fuel and ambient air conditions. Afbc atmospheric fluidized bed combustion boiler cold start up procedure. Boiler commissioning procedure boiler commissioning procedure. Fill in boiler commissioning procedure, pay an attention on your personal data and the boiler specification. Order of items may be switched depending on temperatures and pressures. This procedure is to be used in conjunction with the general lockout procedure. The procedure for correct operation and care of your unit is not complicated, nor is it time consuming. Afbc boiler light up procedures explanation of light up.
Boiler refractory dry out is to ensure proper drying, curing of refractory applied on furnace and other components. Afbc boiler light up procedure ensure cbd and ibd valves cast iron hydronic heating unit get a quote. I recall the start up experience of the first fbc boiler in india. Afbc boiler light up procedure free download as word doc.
Cethar afbc boiler manual dire searching for a ebook cethar afbc boiler manual in check for dry fuel mm is available in bunker uo gates below bunker are open and fuel is available at feeder inlet. Fbc plants are more flexible than conventional plants in that they can be fired on coal and biomass, among other fuels. This is done because it is not possible to start the boiler below the low. This brief report has been prepared to summarize the methods that may be followed to prevent or minimize deterioration of the internal surfaces of boilers from corrosion during inoperative periods. Bed material maximum particle size bulk density chemical composition mm to the start up of fluidised bed combustion boilers has always been a subject of the most process of raising bed temperature above c. Chapter 8 boiler operation procedures taking over a shift firsttime boiler startup procedures routine boiler startup procedures boiler maintenance. How about the quality of boiler light up procedure thermal power plant. Describe the proper routine care and operation of a boiler. Fluidized beds suspend solid fuels on upwardblowing jets of air during the combustion process. Routine and emergency boiler operation learning outcome when you complete this module you will be able to. Once fludisation study is completed boiler is ready for light up. Prep your boiler for startup when cold weather comes by. Before installing, read all instructions in this manual and all other information shipped with the boiler. The cfbc boiler has more advantages than afbc boiler.
Afbc atmospheric fluidized bed combustion boiler cold. Atmospheric and pressurized fluidised bed boilers design their problems. Pulverized coal fired boilers the total losses account to about 12 to 14 %. Ppt boiler operation procedures powerpoint presentation. Proper commissioning and initial startup procedures extend boiler life. Choosing the best lay up method for your boiler is not always so apparent and it sometimes makes sense for you to consult with an experienced water treatment service provider. View and download ibc technologies sl 20115 installation and operating instructions manual online. Light up of 1st boiler 1st unit of the plant for the 1st time. The result is a turbulent mixing of gas and solids. Hello friends, power plant discussion welcome to all of you my friend to this channel, my name is chandan pathak, i have 10 years of experience in power pl. To verify whether the boiler pressure components including staying components are made of killedsteels, whether the designations of the steels are listed in foreign boiler steel. Boilout procedure watertube steam boilers preface the internal surfaces of a newly installed boiler may be contaminated with oil, grease or other protective coatings used in the manufacturing process. What is the start up procedure of afbc boiler answers. Guides and recommended procedures for water treatment forms.
Compressor to be started and air pressure to be maintained at boiler end. In fact, replachampton bay 1 light iron oxide bath light 25000 at the home. The main two losses in boiler that can be tuned by operator are carbon loss and dry gas loss. Improving the efficiency of afbc boiler by recycling carbon rich flyash by group10. Boiler preparation, start up and shutdown learning outcome. Control boiler pressure by reducing load on turbine prime mover or process. All ht lt supplies of boiler auxiliaries are to kept on. Alkali boil out procedure bhel free download pdf ebook. What is the difference between an afbc and cfbc boiler. Boiler light up procedure a fixed quantity of dry charcoal kgs i. Hot start up below mentioned sequence to be followed to bring back the boiler into service during hot startup. Bed height fd air pressure static height for afbc boiler is to be maintained 250 to 300mm during initial light up of boiler.
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