Boiler plant ENERGY CONSERVATION MEASURES
Many of the following Energy Conservation Measures have paybacks of less than one year. RTA Water Treatment has installed or advised customers of specific application benefits for most of the below measures, many times having provided calculations or other specific data to quantify expected savings.
Please note that keeping the boiler tubes clean is many times a major savings of an effective water treatment program, as indicated below. Items in red below are especially addressed by RTA personnel.
| Energy Conservation Measure (ECMs) | percent savings |
Clean Boiler heat exchange surface (tubes) |
3-25% |
Boiler fine tuning |
2-25% |
Steam Trap replacement or repair |
1-15% |
Condensate leak repair |
1-15% |
Turbulators |
5-16% |
Boiler blow down waste heat recovery |
1-5% |
Stack gas waste heat recovery |
3-15% |
Automatic blow down |
1-5% |
Automatic oxygen trim controls |
3-4% |
Automatic flue damper controls |
3-40% |
Boiler make up air preheat |
2-3% |
Addition of base load boiler |
10-40% |
Treatment control for water treatment savings |
4-5% |
Energy management system/microprocessor |
10-35% |
Hot water heater controls and tuning |
5-25% |
Stack draft modification equipment |
10-40% |
Hot water heater (acid) cleaning |
5-25% |
Decision to use alternative fuel |
up to 40% |
Building make-up air reduction |
10-25% |
Zone controls and control valves |
10-25% |
Boiler alternation and use practices |
5-10% |
Boiler outside air temperature setbacks |
3-5% |
Boiler derating |
10-25% |
Hot water heater stack reclaim |
5-15% |
Note: Savings listed above are not cumulative, if one ECM is implemented, the savings for succeeding ECMs are less.