Boiler Operators Handbook (häftad)
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Format
Häftad (Paperback / softback)
Språk
Engelska
Antal sidor
155
Utgivningsdatum
1981-03-01
Upplaga
1985.
Förlag
Graham & Trotman Ltd
Medarbetare
Nifes Ltd (red.)
Illustrationer
155 p.
Dimensioner
203 x 127 x 9 mm
Vikt
163 g
Antal komponenter
1
Komponenter
1 Paperback / softback
ISBN
9780860102519

Boiler Operators Handbook

av Nifes Ltd
Häftad,  Engelska, 1981-03-01
760
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The popularity of the Boiler Operators Handbook has prompted the issue of a revised edition. Other than a relatively small number of developments, essentially associated with solid fuel firing methods using the fluidised bed technique, no radical changes have occurred since the first edition of the Handbook was issued in 1969. In revising a work of this kind there is a great temptation to omit practices that are now less common in the UK. In view of the enormous pressure on Global energy resources, however, the chapters dealing in methods of hand-firing have been retained in the hope that they may be of value to those in the less developed nations where energy problems are infinitely greater than ours. High combustion intensity boilers, commonly known as Package Boilers, of the Shell Construction design, have now much greater steam output than their predecessors and the need for high levels of maintenance and operating skills remain as essential as when this group of boilers first appeared on the market. Also the standard of water treatment required is probably higher than the Operator has been accustomed to. The Health and Safety at Work Act re-emphasised the continued need for adherence to the principles that ensure a pressure vessel be maintained in a safe condition at all times. Accordingly the revised edition of the Boiler Operators Handbook has enlarged its sections on Safety and the Clean Air Act.
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Innehållsförteckning

1 Fuels in Common Use.- Coal.- Calorific value.- Sizes.- Ash.- Moisture.- Sulphur.- Coke.- Liquid fuels.- Gaseous fuels.- 2 Combustion.- Combustion in practice.- Air supply in practice.- Combustion of coal on a grate.- Burning oil, gas and pulverised fuel.- Flames.- Flame type.- 3 Water and Steam.- Steam raising.- Definition of terms.- Water.- Priming (causes and treatment).- 4 Boiler Efficiency and Heat Transfer.- Boiler thermal efficiency.- Gross or higher calorific value.- Heat losses.- Heat lost in flue gases.- Effect of raising flue gas temperature.- Air supply.- Flue gas temperature.- Dirty heat transfer surfaces.- Boiler load.- Carbon in ash.- Heat lost in dust and fly ash.- Radiation and other losses.- General fuel efficiency within the boiler house.- Operating efficiency.- Heat transfer.- Boiler heat recovery plant.- Feedwater economisers.- Superheaters.- Air heaters.- Cleaning heat transfer surfaces.- 5 Boiler Types.- Vertical boiler.- Horizontal boiler.- Packaged boilers.- Locomotive boiler.- Thermal storage boiler.- Water-tube boiler.- Forced circulation boiler.- Steam generators.- Sectional boilers for central heating.- Automatic or magazine boiler.- 6 Principles of Solid Fuel Firing.- Hand firing.- Fuelbed thickness.- Methods of firing.- Firing tools.- Grate or firebars.- Reducing the grate area.- Recovering unburned fuel.- Clinker prevention.- Cleaning fires.- Banking.- 7 Mechanical Firing.- Types of mechanical stoker.- Sprinkler.- Coking.- Chaingrate.- Automatic controls.- Underfeed.- Maintenance of mechanical stokers.- Vekos automatic auxiliary furnace.- 8 Pulverised Fuel.- Drying the fuel.- Conveyors and storage.- Pulverised fuel burners.- Ash handling.- 9 Liquid Fuels.- Delivery, handling and storage.- Fuel oil systems.- Oil heaters and filters.- Liquid fuel burners.- Burner maintenance.- Care of burners when shutting down.- Carbon deposit.- 10 Gaseous fuels.- Natural gas.- Liquid petroleum gases.- Combustion characteristics.- Types of burner foruse with natural gas.- General.- 11 Central Heating: What the Caretaker Should Know.- Plant operation.- Draught control.- Repairs.- Air inlet to boiler room.- Tools.- Fuel.- Operating Procedure.- 12 Automatic Control and Instruments.- Automatic control.- Safety function.- Functional control.- Anticipatory/sequential control.- General.- Instruments.- 13 Safety.- Statutory safety equipment for boiler plant.- Boiler safety.- Notes on safety valves arising from insurance co. requirements for steam boilers.- Water gauges.- Gauge glass drill.- Automatically controlled steam and hot water boilers.- Blowing down of water level controls.- Other safety aspects.- General safety points.- Conclusion.- 14 The Clean Air Act.- Smoke.- Smoke control areas.- Grit emission and dispersion of combustion products.- Chimney height.- Acid smut formation.- Grit arrestor.

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