METI/ECCJ/AOTS Training Program

Indonesia

Energy conservation check item (factory, building)

Energy conservation measure for factories (Energy Conservation Guidebook for Factories 2003-3)
2 Check item for energy conservation measure for factories -1
3 Check item for energy conservation measure for factories -2
4 Check item for energy conservation measure for factories -3
5 Check item for energy conservation measure for factories -4
Energy conservation measure for buildings (Energy Conservation Guidebook for Buildings 2004-3)
6 Check item for energy conservation measure for buildings -1
7 Check item for energy conservation measure for buildings -2
8 Check item for energy conservation measure for buildings -3

Check item for energy conservation measure for factories -1

General administrative matter

Energy management system

Organization improvement, human resource development
Compatibility with environmental management
Energy conservation target, investment budget
Long- and medium-range plans
Adoption of official preferential treatment systems
State of implementation of energy conservation

State of implementation of measurement / recording; state of installation and employment of measuring instruments

State of maintenance, inspection of measuring instruments
State of implementation of periodic measurements and recording

State of facility and equipment maintenance

Periodic inspection, routine inspection
Repairing of leaks (water, air, steam)
Heat insulation, insulation
Facility and equipment cleaning (filter, strainer), etc.

Management of energy consumption
- State of keeping daily reports
- Daily consumption, daily load variation curves
- Monthly consumption, ratio to the consumption of the preceding year graphs
Energy unit consumption management for major products

Energy unit consumption versus delivery price
Energy unit consumption versus production amount

Environmental conservation related management

State of implementation of measured for reducing CO² emission
State of utilizing the Law for Promoting Energy Conservation and Recycling
State of LCA (Life Cycle Assessment)
Waste treatment: state of promotion of waste reduction, sorting and recycling
Wastewater treatment

Improvement of processes

Improvement of processes
Reviewal of the factory line
Realization of continuous operation, efficiency improvement

Check item for energy conservation measure for factories -2

Air conditioning, refrigeration facility

Operation management

Optimization of set temperature and humidity
Reduction of outdoor air for ventilation
Start and stop control of heat generating machines
Adjustment of cooled water outlet set temperature
Scheduled operation
Prevention of outdoor air intrusion, state of ventilation
Shielding of radiation heat from high-temperature machines

Energy conservation measure, improvement of building insulation, shielding of solar insolation

Utilization of outdoor air
Recovery and utilization of waste heat, heat pump
Rotation control (VAV, etc.) of transportation machines (pumps, fans)
Adoption of local cleaning, local exhaust
Stratified air conditioning, reduction of air volume to be conditioned
Utilization of the ice thermal storage system

Operation management of cooling facilities, operation power of refrigerator

Inlet and outlet pressures of the refrigerant
Inlet and outlet temperature and pressure of water

Operation management of auxiliary facilities, operation power of the cooling tower

Water quality control (electric conductivity)
Operating power of pumps (capacity, head)

Cold insulation, refrigerating facility, management on entering and exiting

Insulation management
Efficiency improvement

Pump, fan; compressor

Operation management of pumps, fans

Opening and closing of valves
Improvement of routes (pining, ducts)
Operation flow rate, operation pressure
Degree of design allowance
Rotation control, start and stop control

Operation management of the compressor systems

Reviewal of the type (screw, reciprocating, blower)
Compatibility between capacity and type
Reduction of discharge pressure and user-end pressure
Separation between high pressure and low pressure lines
Ventilation facility, ambient temperature
Reviewal of pipe size, piping route
Installation of air receiver
Start and stop control
Optimum capacity control
Leak prevention measure
Utilization of waste heat

Check item for energy conservation measure for factories -3

Boiler, industrial furnace, steam system, heat exchanger, waste heat, wastewater, etc.

Combustion management of furnace; air ratio, exhaust gas control

Burner, fuel, air supply system
Combustion control system
Regenerative combustion system
Fuel conversion

Furnace operation, efficiency control; load factor, state of startup and shutdown

Start and stop control
Thermal efficiency, heat balance, heat distribution
Water quality control, blowing operation control

Furnace insulation; thermal insulation and radiation loss prevention; outer wall surface temperature, duct temperature

Insulation, insulating material (heat storage loss)
Sealing of openings, furnace inside pressure

Furnace flue gas temperature control, waste heat recovery; exhaust gas temperature
- Heat recovery (water supply, air preheating)
- Flue gas recirculation
Operation management of steam; dryness, carryover

Set pressure, temperature of steam for facilities
Steam flow rate

Management of steam leaks / insulation; piping system, tank, etc.

Facility with steam load

Optimization of steam piping system

Route, pipe size
Removal of unnecessary piping
Integration of multiple steam systems

Load leveling of steam system

Installation of accumulator
Replacement of ejectors with vacuum pumps
Load side measure

Recovery and use of steam drain

Recovery of medium / low pressure steam (back pressure turbine)
Steam trap management
Place of recovered drain collection, drain recovery and collection system
Utilization of flash steam

Operation management of heat exchangers

Adequacy of type
Adequacy of use and heating medium
State of maintenance (fouling, pressure loss)
Temperature of heating medium, and heated material
Temperature efficiency ratio

Reduction of waste heat / wastewater

Heat recovery from hot water
Rationalization of exhaust gas duct
Recirculation of cooling water
Concentration control of impurities in water

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