How to increase energy efficiency?
Basic methodology of management
Basic methodology of management
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How to increase energy efficiency? Basic methodology of management |
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Achieving energy management
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| * To reduce Amount of energy consumption and Energy cost, * It should be managed, by Factory total (whole factory) --- by Process Line --- by Facility (machine) --- * Management in small unit (facilities) is more suitable for improvement of energy intensity than in large unit (factory total). * Shown in Energy intensity. because, it is easier to evaluate the result of operational/technical improvement comparing with before-improvement. We can utilize “the 7 tools” for management and improvement. |
Energy intensity (or energy unit consumption) |
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As the management of energy, “energy intensity” is widely accepted. The definition is:“  “Energy consumption amount” --- heat (J) and/or electric power (Kwh) (→ combined in crude oil equivalent) --- can be represented by individual particular unit --- steam: ton, water: m3, fuel: Kl etc. “Production amount” --- unit: weight (tonnage), number of products, treated area(m2), working time (h), etc Example: energy intensity of boiler A) The condition of boiler operation a. steam production rate (without electric generation) 4,090 ton per month b. fuel consumption rate (LHV=41.7 GJ/k-litter) 300 kl per month (bunker-C) B) Calculation energy intensity of boiler = fuel consumption / steam production = 300,000 l / 4,090 ton = 73.3 l-Bunker-C / t-Steam = 3.06 GJ / t-Steam the price of Bunker-C is 34,000 Yen / kl, shown by energy cost : 2,492 Yen / t-Steam. |
| <Japanese way> TQM and Sho-shudan activity
Key persons: Top management, Energy manager, Sho-shudan leader |
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Energy is used everywhere. Energy is used by everybody. → suitable for TQM Utilization of workers’ ability (incentives for workers and top-management) → Sho-shudan *TQM and Kaizen by Sho-shudan activity are very popular in Japanese enterprises/factories. (Sho-shudan activity is generally included in TQM.)  In many cases energy managers play the role of secretaries, advisers, instructors. |
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