Summary
Test of the 9.3 MW hot water boiler was performed to establish the effect of implementation the frequent regulation control system and continuous measurement of oxygen content of flue gases. The results of measurements before and after the combustion process control system improvement are presented.
The boiler efficiency is improved for 2 % in a whole range of load except at maximum load. The electrical energy consumption by fan was more than 50 %. The simple pay back period of this investment is less than one year.
Keywords: Boiler efficiency, Frequent regulator, Zircon sensor
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Case Study (65 KB PDF)