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Heat Management - High Impact Sootblowing System for Recovery Boilers
Sootblowers in recovery boilers are generally operated non-stop, to keep the flue gas path clean and prevent the fouling and sintering of accumulations on heat exchanger surfaces. An issue with conventional sootblowing is that over 90% of the cleaning effect occurs at the first impact of the steam at the heat exchanger surfaces, which means that the time and steam used on the return stroke mostly go to waste.
Heat Management’s patented High Impact Sootblowing System (HISSTM) is a tailored solution for your boiler, which will bring great environmental and economical benefits. The solution includes a software and hardware update together with process follow-up and optimization by sootblowing experts. By using the HISSTM solution, the following results can be obtained:
- Reduce sootblower steam consumption by 30-45%.
- Increase sootblowing capacity (starts per day) by 100%.
- A combination of the above
Heat Management’s HISSTM can increase the sootblowing capacity by 100% without installing more sootblowers or consuming more steam. During boiler shutdown, the HISSTM system is fully integrated into the mill’s DCS system together with a hardware rebuild of the steam sootblowers, which will achieve overlapping operation of sootblowers (described on page 3). Heat Management’s experts will assist the mill in getting the ideal number sootblower starts to fulfill the needs of each customer (see Figure 1).