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ECCJ / AOTS Philippines training course Philippines

Check item for energy conservation measure for factories -2
Air conditioning, refrigeration facility
  1. 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
  2. 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
  3. Operation management of cooling facilities, operation power of refrigerator
    • Inlet and outlet pressures of the refrigerant
    • Inlet and outlet temperature and pressure of water
  4. Operation management of auxiliary facilities, operation power of the cooling tower
    • Water quality control (electric conductivity)
    • Operating power of pumps (capacity, head)
  5. Cold insulation, refrigerating facility, management on entering and exiting
    • Insulation management
    • Efficiency improvement
Pump, fan; compressor
  1. 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
  2. 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.
  1. Combustion management of furnace; air ratio, exhaust gas control
    • Burner, fuel, air supply system
    • Combustion control system
    • Regenerative combustion system
    • Fuel conversion
  2. 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
  3. 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
  4. Furnace flue gas temperature control, waste heat recovery; exhaust gas temperature
    • Heat recovery (water supply, air preheating)
    • Flue gas recirculation
  5. Operation management of steam; dryness, carryover
    • Set pressure, temperature of steam for facilities
    • Steam flow rate
  6. Management of steam leaks / insulation; piping system, tank, etc.
    • Facility with steam load
  7. Optimization of steam piping system
    • Route, pipe size
    • Removal of unnecessary piping
    • Integration of multiple steam systems
  8. Load leveling of steam system
    • Installation of accumulator
    • Replacement of ejectors with vacuum pumps
    • Load side measure
  9. 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
  10. 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
  11. 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
Check item for energy conservation measure for factories -4
Substation facility, motor, lighting equipment, electrical heating facility
  1. Substation facility management; demand, load factor, power factor control
    • Consumption control
    • Tariff control (contract power)
    • Utilization of nighttime power
  2. Transformer facility management; transformer capacity, voltage
    • Demand factor / load adjustment
    • Shutting off of unnecessary loads
  3. Motor capacity / operation management; facility capacity, voltage, number
    • Rotation control
    • Termination of idle operation
  4. Operation management of lighting equipment; adoption of high-efficiency lamps and equipment
    • Adoption of automatic switches, zone controlled lighting
    • Location of lighting equipment installation, circuit partitioning
    • Proper illuminance control
    • Turning off of lights during idle hours, sunlight utilization
    • Cleaning of lighting equipment, replacement of lighting equipment
  5. Operation management of electrical heating facility
    • Improvement of supply voltage, power factor
    • Control of material feeding and product withdrawal, material preheating
    • Temperature control, heating control
    • Insulation control
    • Improvement of load factor
    • Continuous operation
    • Reuse of exhaust heat
  6. Load leveling measure
    • Reviewal of operation pattern (operation hour, operation rate, load factor, etc.)
    • Measures for facilities (heat storage facility, absorption-type water heater / cooler, etc.)
  7. Co-generation introduction, etc. introduction plan
    • Type of facility, capacity, fuel
    • Seasonal load fluctuation
    • Operation rate, heat electricity ratio
    • Inspection, standby electric power supply, pollution prevention measure
  8. New energy, etc.
    • Fuel cell
    • Photovoltaic power generation
    • Solar heat
Check item for energy conservation measure for buildings -1
General administrative matter
  1. Energy management system
    • Organization improvement, human resource development
    • Energy conservation target, investment budget
    • Setting of management standards
    • State of implementation of energy conservation
  2. State of implementation of measurement / recording
    • State of installation and operation of measuring instruments
    • State of maintenance, inspection of measuring instruments
    • State of implementation of periodic measurements and recording
    • State of introduction of measurement and control systems
  3. Management of energy consumption
    • State of keeping daily reports
    • Daily consumption, daily load variation curves
    • Monthly consumption
    • Graph for the ratio to the consumption of the receding year
  4. State of facility and equipment maintenance
    • Periodic inspection, routine inspection
    • Management of facility performance , coefficient of performance (COP)
    • Management of system performance (COP)
    • Facility and equipment cleaning (filter, strainer)
  5. Energy unit consumption management
    • Heating value unit consumption (MJ/m2 year)
    • Energy cost unit consumption (1,000 yen/m2 year)
    • Unit consumption by use of building
    • Unit consumption by consuming end
  6. Plan-do-check-action (PDCA) management circle
    • State of implementation of PDCA management
    • State of implementation of continual improvement
Heat source, heat transfer facility
  1. Management of combustion facility performance
    • Air ratio, exhaust gas management
    • Burner, fuel, air supply system
    • Combustion control system
    • Fuel conversion (boiler, generator, etc.)
  2. Management of refrigerator performance
    • Coefficient of performance (COP)
    • Setting of cooled water outlet temperature
    • Setting of cooling water temperature
    • Removal of scale from heat exchangers
    • Temperature efficiency ratio of heat exchangers
  3. Operation management, efficiency management
    • Load factor, state of startup and shutdown
    • Start and stop control
    • Thermal efficiency, heat balance, heat distribution
    • Steam pressure
    • Water quality control, blowing operation control
  4. Operation management of auxiliary facilities
    • Operation control of cooling towers
    • Water quality control (electrical conductivity)
    • Operation control of pumps (capacity, head)
    • Improvement of routes
  5. Operation management of heat carrier facilities
    • Start and stop control of pumps, fans
    • Rotation control of pumps, fans
    • Improvement of routes (open, closed)
    • Flow rate, pressure
    • State of opening and closing of valves (automatic valve, header bypass valve, etc.)
  6. Exhaust gas temperature, recovery of waste heat
    • Exhaust gas temperature control
    • Heat recovery (HP, CGS, etc.)
  7. Management of steam leaks / insulation
    • Piping system
    • Facility with steam load
  8. Management of heat storage; heat storage efficiency
    • Heat storage, heat liberation time
    • Improvement of heat carry routes
Check item for energy conservation measure for buildings -2
Air conditioning, ventilation facility
  1. Operation management of air conditioners
    • Optimization of set temperature and humidity
    • Appropriateness of humidification zones, and types
    • Appropriateness of reheating
    • Unevenness of humidity distribution
    • Warming up operation
    • Outdoor air intake control
    • Reviewal of operation time
    • Suspension of air conditioning to unused rooms
    • Shutting off of outdoor air intrusion
    • Control of indoor environment (CO2 , etc.)
  2. Management of air conditioning efficiency
    • Zone controlled air conditioning
    • Utilization of outdoor air (cooling with outside air)
    • Setting of dew point control
    • Prevention of mixing loss
    • Night purge
    • Water spraying of roof, outdoor units of air conditioners
    • Accuracy of automatic control
  3. Introduction of energy conservation equipment
    • Heat carrier speed control (VAV、VWV)
    • Outdoor air intake control system (control on CO2 concentration)
    • Cooling with outside air (outside air enthalpy control)
    • Installation of total heat exchanger
    • Zone controlled cooling, zone controlled ventilation
    • Roof greening, etc.
  4. Management of ventilation facilities
    • Optimization of number of ventilation times
    • Reviewal of operation time
    • Operation temperature control (electric room, machine room, CVCF room)
    • Suspension of ventilation to unused rooms
    • Zone controlled ventilation
    • Parking space ventilation control (control on CO2 concentration)
    • Ventilator speed control (VAV、VWV)
Facilities for hot water supply, water supply and drainage, refrigeration, cold storage, cooking
  1. Management of hot water supply facility
    • Hot water supply temperature
    • Hot water supply efficiency improvement (removal of scales)
    • Operation in winder only
    • Operation schedule control for holidays and nighttime
    • Waste heat utilization (CGS, steam drain)
    • Solar heat utilization
  2. Management of water supply and drainage facilities
    • Utilization of reclaimed water (rain water, well water, etc.)
    • Water saving measure (water saving packing, automatic washing machine, sound effect equipment, water saving shower)
    • Water supply flow rate, pressure
    • Utilization of effluent water
  3. Management of refrigeration, cold storage, cooking facilities
    • Insulation control
    • Opening and closing control of doors
    • Control of showcases
    • Efficiency improvement
    • Insulation and defrosting control
    • Management of cooking facilities (cooker, dish dryer, washing machine, etc.)

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