Long-burning boilers. Upper and lower burning boilers.
In this video, I'll talk about LONG-BURNING BOILERS. They come in the following types:
Bottom-burning shaft boilers like the Kholmov type (Zubr, Bres, etc.)
Top-burning shaft boilers (Tiver, etc.)
Universal boilers with two combustion modes (Python, Ekon, etc.)
Long-burning top-burning boilers (SAS, Pereko, etc.)
Top-burning boilers like the Stropuva type (Stropuva, Neus, etc.)