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Modern energy economy in beet sugar factories /
This book is devoted to the problems of identifying the potential for, designing and implementing, energy-saving measures in beet sugar factories. As the sugar industries in various countries differ considerably with respect to the economic conditions for factory operation and the level of technolog...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Amsterdam ; New York :
Elsevier,
1989.
|
| Colección: | Sugar series ;
10. |
| Temas: | |
| Acceso en línea: | Texto completo Texto completo |
Tabla de Contenidos:
- Front Cover; Modern Energy Economy in Beet Sugar Factories; Copyright Page; Foreword; Preface; List of symbols; Table of Contents; Chapter 1. The energy system and its role in a sugar factory; 1.1 Subsystems of a sugar factory; 1.2 The thermal system and its components; 1.3 Heat demand; 1.4 Power demand; 1.5 Interaction between power generation and heat economy; References; Chapter 2. Energy balances; 2.1 Principles of establishing energy balances; 2.2 Input data for energy balance calculations; 2.3 External energy balance of a sugar factory; 2.4 Mass and heat balances of heat receivers.
- 2.5 Mass and heat balances of a multiple-effect evaporator2.6 Mass and heat balances of a thermal system; 2.7 Exergy balances; 2.8 Analysis of transient energy processes using computer simulation; References; Chapter 3. Selected problems of heat economy; 3.1 Analysis and evaluation of the heat economy; 3.2 Fundamentals of correct operation of a thermal system; 3.3 Fundamentals of correct utilization of condensates and vapours; 3.4 Vapour compression; References; Chapter 4. Energy savings by process modifications; 4.1 Introduction; 4.2 Juice purification; 4.3 Sugar crystallization.
- 4.4 Unconventional energy-saving processes in sugar manufacture4.5 Pulp dehydration; References; Chapter 5. Equipment design for efficient energy utilization; 5.1 Scope of the problems; 5.2 Extractors; 5.3 Evaporators; 5.4 Heat exchangers; 5.5 Vacuum pans; 5.6 Centrifugals; References; Chapter 6. Automatic control for efficient energy utilization; 6.1 Scope of the problems; 6.2 Computer-based control systems; 6.3 Flow control using variable speed drives; 6.4 Extraction control; 6.5 Evaporation control; 6.6 Sugar crystallization control; 6.7 Pulp drying control; References.
- Chapter 7. Monitoring of the heat consumption7.1 Introductory remarks; 7.2 Quality of water and steam; 7.3 Fuel analysis; 7.4 Boilers; 7.5 Turbo-generators; 7.6 Process heating equipment; 7.7 Auxiliary equipment; 7.8 Pulp dryer; 7.9 Computer-aided monitoring; References; Chapter 8. Step-by-step improvements of existing energy systems; 8.1 The step-by-step approach; 8.2 Factory characterized by poor initial energy utilization; 8.3 Factory characterized by good initial energy utilization; 8.4 Factory featuring an advanced energy system; References.
- Chapter 9. Design of modernized or new energy systems9.1 The modernization of energy systems; 9.2 Factory characterized by poor initial energy utilization; 9.3 Factory characterized by good initial energy utilization; 9.4 Optimization of energy systems; References; Appendix 1: Numerical approximations of thermodynamic properties of water and steam; Appendix 2: Numerical approximations of thermodynamic properties of sugar solutions; Appendix 3: Calculations of heat transfer phenomena; Appendix 4: Units of measurement; Index.