Does anyone know of a company and/or companies that perform efficiency testing of residential boilers? The type of boiler in question is an atmospheric gas-fired residential unit in the 80,000 to 120,000 BTU/hr range. Testing needed to determine AFUE rating.
Has anyone had any experience designing and/or modifying a boiler control system that can account for varying BTU content of coal? I am referring specifically to a coal-fired utility boiler that utilizes natural gas reburn with overfire air. Maintaining a target stoichiometry in the primary...
I should preface my remarks by stating that the bulk of my experience has been in coal and MSW combustion.
The fuel will introduce chlorine-containing compounds, as well as alkali metal compounds [especially sodium (Na) and potassium (K)], and heavy metals such as lead (Pb), tin (Sn), and zinc...
