TTR®-G (Taiheiyo Thermal Reactor for Gasification)

  1. Technical Advantages
  2. Economic Benefits
  3. Typical Process Flow
  4. Performance Results
  5. Technology and Economic Comparison
TTR®-G (Taiheiyo Thermal Reactor for Gasification)

For the efficient utilization of alternative fuel, Taiheiyo Engineering Corporation has developed a state of the art technology using the preheated raw meal.

Features

  1. Technical Advantages

    • Compact equipment and simple system
    • Easy and short installation
    • Good burning efficiency of AF in Calciner
    • Minimum heat loss by radiation heat and air leakage
    • Easy and stable operation
    • Easy to maintenance work
    • Prevention of coating trouble at Riser Duct
    • NOx reduction
    • Safety (No fire / explosion)
    • Possible to isolate from pyro-section

  2. Economic Benefits

    • Low investment cost
    • No production loss
    • Improvement heat consumption
    • Low maintenance cost

Typical Process Flow

Performance Results for TTR®-G (Taiheiyo Thermal Reactor for Gasification)

Direct feeding to Calciner / TTR®-G

SSW* feed place SSW feed rate Specific gas volume (IDF) Gas temperature (IDF) ① Heat loss of exhaust gas CO ② Heat Loss by CO Heat Consumption
t/h m3N/kg-clinker ℃ kJ/kg-clinker ppm kJ/kg-clinker kJ/kg-clinker (①+②)
Calciner 10 1.74 341 891.8 6436 144.5 1036.3
TTR® 10 1.59 316 752.7 4519 93.0 845.7
Difference 0 0.14 25 139 1917 51.7 190.6
* SSW: Shredded Solid Waste (Plastic Waste : Wood Waste => 7 : 3)

Technology and Economic Comparison

TTR®-G / Direct feeding to Calciner / Pre-combustor

Technology

TTR®-G Direct feeding to Calciner Pre-combustor
Equipment size Small － Big
Kiln shutdown period for installation and modification Short － Long
Tertiary air introduction and partial combustion No － Yes
Burning efficiency of AF in Calciner Very Good Poor Good
Radiation heat loss Low － High
Control temperature at Calciner outlet and Bottom Cyclone Easy Difficult Difficult
Maintenance work Easy Easy Difficult
Isolation from Pyro-section Possible － Difficult
Coating trouble No － －
Stable kiln operation Very Good Poor Good
Refractory abrasion due to sintered material formed in pre-combustor No － Yes
Retention time Short Long Long
AF amount Good Poor Very Good
NOx reduction (Very) Good Poor Good
Safety Very Good Good Good

Economic

TTR®-G Direct feeding to Calciner Pre-combustor
Investment cost Low － High
Production loss Low High High
Maintenance cost Low Low High
Heat consumption Very Good Poor Good