Biomass as Fuel in Small Boilers (PDF 6.4 - APO Asian Productivity ...

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The opinions expressed in this publication do not necessarily reflect the official view of the APO. For reproduction of the contents in part or in full, the APO’s prior permission is required. Mr. Arvind Kumar Asthana, India, served as the author. ©Asian Productivity Organization, 2009 ISBN: 92-833-7078-3
CONTENTS List of Tables v List of Figures v Foreword vii 1. Introduction to Biomass as Fuel 1 1.1 Biomass as fuel 1 1.1.1 Biomass as carbon-neutral fuel 2 1.1.2 Sources of biomass as fuel 2 1.2 Characteristics of different biomass fuels 5 2. Biomass Preparation, Storage, Handling, and Conversion Technologies 7 2.1 Availability of biomass 7 2.2 Fuel collection and logistics 7 2.3 Storage, handling, and preparation of biomass 9 2.3.1 Need for multiple preparation and handling equipment 9 2.4 Biomass energy conversion technologies 10 2.4.1 Step grate furnace 11 2.4.1.1 Advantages of the step grate furnace 11 2.4.1.2 Disadvantages of the step grate furnace 12 2.4.2 Stationary grate furnace 12 2.4.2.1 Advantages of the stationary grate furnace 12 2.4.2.2 Disadvantages of the stationary grate furnace 12 2.4.3 Stoker combustion 13 2.4.4 Suspension combustion 14 2.4.5 Fluidized bed combustion 2.4.6 Comparison of different types of biomass conversion 14 technologies 15 3. Biomass-based Fluidized Bed Combustion (FBS) Boilers 18 3.1 Introduction to FBC boilers 18 3.2 Mechanism of fluidized bed combustion 18 3.3 Advantages of FBC boilers 20 3.4 Boiler water treatment 21 3.4.1 Internal water treatment 21 3.4.2 External water treatment 21 3.5 Boiler blow-down 23 3.5.1 Blow-down calculations 23 3.5.2 Benefits of blow-down 24
Page 1: From: Biomass as Fuel in Small Boil
Page 7 and 8: LIST OF TABLES 1-1 Residue from maj
Page 9 and 10: 1. INTRODUCTION TO BIOMASS AS FUEL
Page 11 and 12: - 3 - Introduction to Biomass as Fu
Page 13 and 14: Figure 1-3 Various biomass energy s
Page 15 and 16: 2. BIOMASS PREPARATION, STORAGE, HA
Page 17 and 18: Biomass Preparation, Storage, Handi
Page 25 and 26: ( ... Continued) Draft Conditions B
Page 27 and 28: Biomass-based Fluidized Bed Combust
Page 37 and 38: - 29 - Performance Evaluation of Bi
Page 39 and 40: i. Percentage heat lost due to dry
Page 41 and 42: Solution: Step 1) Find the theoreti
Page 43 and 44: 5. RETROFITTING OF COAL-/OIL-FIRED
Page 45 and 46: Retrofitting of Coal-/Oil-Fired Boi
Page 47 and 48: Retrofitting of Coal-/Oil-Fired Boi
Page 49 and 50: 3. Close drain cock 4. Close steam
Page 51 and 52: ( ... Continued) Air leaks on water

Biomass as Fuel in Small Boilers (PDF 6.4 - APO Asian Productivity ...

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