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METI / ECCJ / ACE Training Program MTPEC01 (2005.07)

Number of audits

* The one-day audits for the small and medium industries (SMEs) are handled by the Small Business Corporation.
* The measurement diagnoses are those including measurements by brought-in instruments, recording and analysis, consisting of (1 day for instrument installation + 2 to 3 days' data collection + 1 day for withdrawing). Subsequently, analysis and report preparation are done for which fees are charged (but the fees are taken care of by the Small Business Corporation).
* The audits for large-scale factories (type 1 factories) are handled by NEDO.
* The pay audits are done exclusively by ECCJ. Business enterprises do not pay for software-type works.
*In fiscal 2004, ECCJ conducted "energy conservation + management standards" diagnoses for buildings.



Energy Conservation of Combustion
- air ratio and air preheating

Content

  1. Optimization of air ratio
  2. The air ratio is calculated from the O2 content (O2%) in the exhaust gas.
  3. Larger air ratio leads to larger heat loss with the exhaust gas.
  4. Fuel saving by air ratio improvement
  5. Effect of air ratio reduction
  6. Criteria for air ratio (standard values)
  7. Criteria for air ratio (target value)
  8. Energy conservation by air preheating
  9. Utilization of waste heat of exhaust gas - air preheating
  10. Criteria for exhaust gas temperature
  11. Criteria for factories

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