Milling of Wheat, Maize and Coarse Grains

Milling of Wheat, Maize and Coarse Grains

1 Milling Machines-1

  1. Loading and Unloading System for Food Grains in Bulk
  2. Mobile Pneumatic Unit
  3. Pneumatic Unloading
  4. Mechanical Unloading
  5. Auto Grain Weigher
  6. Cleaning Equipments
  7. Sieving Machines
  8. Separators-Types, Magnetic, Dry Destoner; Trieurs, Carter Disc

2 Milling Machines-2

  1. Functions, Construction, Merits And Demerits of Disc Cylinder Separator & Trieur Battery
  2. Introduction, Construction, Working Principles, Functions, Merits and Demerits of Weinhold System
  3. Washing, Rinsing And Whizzer Systems
  4. Combined Washing Machine and Whizzer
  5. Functions, Merits And Demerits of Water Addition System
  6. Water Mixing Systems
  7. Construction, Working and Functions of Horizontal Scourer and Vertical Scourers

3 Different Types of Mills

  1. Horizontal Stone Mills-Construction and Working Principle
  2. Vertical Stone Mills-Construction and Working Principle
  3. Roller Mills-Construction and Working Principle
  4. Various Arrangements of Rolls in a Roller Mill
  5. Advantages of Roller Mills over Stone Mills

4 Detachers and Bran Finishers

  1. Why a Detacher?
  2. What is a Detacher?
  3. Construction of First Detacher Models
  4. Different Detachers
  5. Merits/Demerits of Detachers
  6. Principles of Operation of Bran Finishers
  7. Type of Bran Finishers
  8. Horizontal Bran Finisher
  9. Vertical Bran Finisher

5 Sitters and Purifiers

  1. Evolution and Development in Sifters
  2. Definition of a Plan Sifter and the Various Types
  3. Balancing of Sifter
  4. Drawer – Type Sifter
  5. Square Sifter
  6. Merits / Demerits of Sifters
  7. Junior Square Sifter
  8. Centrifugal Sifter
  9. Turbo Sifter
  10. Break Pre-sifter
  11. Principle of Operation of Purifier
  12. Construction of Purifier
  13. Different Type of Purifiers
  14. Specific Purifier Width

6 Wheat Reception

  1. Testing Of Raw Materials
  2. Appearance
  3. Moisture
  4. Hectoliter Weight
  5. Intake and Precleaning
  6. Intake by Lorry, Rail or Water Ways
  7. Precleaning
  8. Flow Sheet Symbols
  9. Flow Sheet of Intake and Precleaning
  10. Storage of Wheat
  11. Respiration of Wheat
  12. Storing In Sheds or Silos

7 Milling of Wheat – Cleaning

  1. First Cleaning
  2. Crop Yields
  3. First Cleaning Flow Sheet
  4. Water Addition Calculation
  5. Dampening and Conditioning of Cleaned Wheat
  6. Flow Sheet – First Cleaning Diagram
  7. Second Cleaning
  8. The Pre-Break Cleaning Section
  9. Flow Sheet – Second Cleaning
  10. Grinding of Offals

8 Milling of Wheat – Grinding

  1. Grinding Rolls – Grooved, Polished, Matt
  2. Break System
  3. Reduction System
  4. Roll Surface

9 Milling of Wheat – Flow Sheet

  1. Sieving Materials
  2. Sifting
  3. Sieve Surface
  4. Purification
  5. Sizing
  6. Bran Finishing
  7. Flake Disruption

10 Conveying System – Mechanical

  1. Screw Conveyor
  2. Chain Conveyor
  3. Belt Conveyor
  4. Oscillating Tube Conveyor
  5. Bucket Elevator

11 Conveying System – Pneumatic

  1. Differences between the Pneumatic Pressure and Pneumatic Suction System
  2. Pneumatic Pressure Transport
  3. Pneumatic Suction Transport System in the Grinding Section
  4. Types of Pneumatic Conveying Systems
  5. Fans: Efficiency and Power Consumption

12 Characteristics and Chemistry of Coarse Grains

  1. Production and Their Present Utilization
  2. Grain Morphology and Structure, Special Features of These Grains
  3. Proximate Composition and Nature of Major Constituents
  4. Starch Content-Amylose and Amylopectin
  5. Protein Content, Amino Acid Composition
  6. Oil Content, Lipase and Role in Keeping Quality
  7. Constituents from Bran Fraction

13 Refining of Coarse Grains

  1. Need and Concept of Milling
  2. Debranning- Principles of Producing Refined Flours
  3. Simple Grinding and Sieving
  4. Concept of Moistening, Grinding and Sieving
  5. Equipments Used in Debranning
  6. Flow Diagrams for Refining
  7. Significance of Crude Fibre and Ash Content in Refining

14 Processing of Maize

  1. Importance of Germ Recovery in Maize Milling
  2. Processing of Maize
  3. Tempering – Degerming Process for Recovery of Germ and Other Fractions
  4. Flow Diagram of Dry Milling Process
  5. Indigenous Milling System for Maize
  6. Comparison of Imported and Indigenous Milling Systems
  7. Milled Products Recovered From Maize
  8. Wet Milling of Maize for Recovery of Starch and Protein

15 Coarse Grains – Value Added Products

  1. Meaning of Value Addition
  2. Value Added Products
  3. Factors Contributing to Quality Assurance
  4. Bureau of Indian Standards
  5. Export Promotion
  6. PFA
  7. Consumer Protection Act