Liquid heaters and vaporizers – Stand boiler – Fluid fuel burner
Patent
1984-10-01
1986-04-01
Favors, Edward G.
Liquid heaters and vaporizers
Stand boiler
Fluid fuel burner
122115, F22B 500
Patent
active
045790868
ABSTRACT:
A vertical tube boiler having a plurality of vertical tubes which extend through a water tank and communicate with a combustion chamber and a chamber provided with a flue outlet, the tank being provided with a transverse plate located above the bottom or firing plate of the tank and provided with holes 20 through which the tubes extend with a clearance gap being provided between the periphery of each hole 20 and the outside of the associated tube, through which gaps water flows upwardly to create upward currents in the water within the tank to hold any scale removed from the outside of the tubes in suspension and if such scale drops to the bottom of the tank, then it accumulates on the plate and not on the firing plate thus preventing burning out of the firing plate.
REFERENCES:
patent: 1707812 (1929-04-01), Lynch
patent: 2573551 (1951-10-01), Denker et al.
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