EX-1 |
[ Petrochemical Plant ]
Equipment:Cooling Unit (1 Steam Trap replaced)
Steam Pressure:0.28Mpa
|
Before |
After |
Result |
Steam Consumption
(ton / hour) |
3.87 |
3.5 |
0.37
(9.6%) |
Fuel Consumption
(ton / year) |
2,580 |
2,330 |
250 |
CO2 Emission
(ton / year) |
5,160 |
4,660 |
500 |
Cost saved
@2,000yen / ton |
5,920 Million yen / year |
Total cost of installation
(Trap+Piping renovation fee) |
aprx 0.5 million yen |
Return % of the installation cost
by energy saving |
aprx 1200% |
Payout Time |
aprx 1 Month |
*Steam Consumption was checked by a steam flow meter.
*Reference download 1
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EX-2 |
[ Petrochemical Plant ]
Equipment : Cooling Unit (1 Steam Trap replaced)
Steam Pressure : 2.7MPa
|
Before |
After |
Result |
Steam Consumption
(ton / hour) |
1.0 |
0.7 |
0.3
(30%) |
Fuel Consumption
(ton / year) |
660 |
467 |
200 |
CO2 Emission
(ton / year) |
1,334 |
934 |
400 |
Cost saved
@4,000yen / ton |
9,600 Million yen / year |
Total cost of installation
(Trap+Piping renovation fee) |
aprx 400 million yen |
Return % of the installation cost
by energy saving |
aprx 2400% |
Payout Time |
aprx 0.5 Month |
*Steam Consumption was checked by a steam flow meter.
*Reference download 2
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EX-3 |
[ Electrical Power Station ]
Equipment : Air Dryer (13 Steam Traps replaced)
Steam Pressure : 0.52MPa
|
Before |
After |
Result |
Steam Consumption
(ton / hour) |
0.4 |
0.3 |
0.1
(30%) |
Fuel Consumption
(ton / year) |
270 |
200 |
70 |
CO2 Emission
(ton / year) |
540 |
400 |
140 |
Cost saved
@2,000yen / ton |
1,600 Million yen / year |
Total cost of installation
(Trap+Piping renovation fee) |
aprx 1,000 million yen |
Return % of the installation cost
by energy saving |
aprx 160% |
Payout Time |
aprx 7 Month |
*Steam Consumption was checked by a steam flow meter. |
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EX-4 |
[ Chemical Firm ]
Equipment : Air Dryer (1 steam trap replaced)
Steam Pressure : 0.7MPa
※Reference download 3 (Japanese only)
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