Liquid heaters and vaporizers – Stand boiler – Solid fuel burner
Patent
1982-02-03
1984-01-10
Favors, Edward G.
Liquid heaters and vaporizers
Stand boiler
Solid fuel burner
122 14, 122 17, 122 19, 126361, F22B 500
Patent
active
044247680
ABSTRACT:
A boiler has a combustion chamber wherein combustion occurs under high turbulence and wherein the combustion products in the form of smoke are exhausted from the boiler in proximity to the liquid to be heated in a manner whereby the risk of the smoke path being clogged by soot is eliminated so that pollution of the ambient atmosphere is negligible. The burner-operated boiler has a combustion chamber which, at least in front of the burner, is defined by a concave wall section having its concavity facing the burner. In this manner, a recirculation of a portion of the smoke is obtained in the combustion chamber creating a high turbulent condition thereby facilitating complete combustion. The smoke is discharged from the combustion chamber into a smoke sleeve have a substantially annular shape with a vertical axis wherein the only horizontal wall on which deposition of soot may occur is very small. In certain embodiments, at least one vertical smoke conduit is provided through which smoke is directed from the combustion chamber and from which the smoke exits into the smoke sleeve to combine with the smoke which had directly entered into the latter from the combustion chamber. Any soot deposited in the vertical smoke conduits will return to the underlying combustion chamber.
REFERENCES:
patent: 54730 (1886-05-01), Howell
patent: 858562 (1907-07-01), Bilhorn
patent: 1365608 (1921-01-01), Trumble
patent: 1512480 (1924-10-01), Palmblade
patent: 1891534 (1932-12-01), Gray
patent: 2068441 (1937-01-01), Valjean
patent: 2506336 (1950-05-01), Block
patent: 2536425 (1951-01-01), Daly
patent: 2834323 (1958-05-01), Radford
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