Calorific value boiler

Liquid heaters and vaporizers – Subsidiary

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126365, 237 19, F22B 3300

Patent

active

048482773

ABSTRACT:
A calorific value boiler device for supplying heat to at least one user of heat contained in a heat medium via a first supply line and at least one return line. The device includes a boiler having a blower equipped burner with flue gases discharged in a specific direction and at least two heat exchangers arranged in series to receive the flue gases sequentially in that direction. Also provided is a stratified thermal storage unit for delivering medium to the user via a first supply line. A first line is for transferring heat medium from the first heat exchanger in the series to the top layer of the storage unit. A second line is for transferring heat medium from the bottom layer of the storage unit to the last heat exchanger in the series. A third line is for transferring heat medium from the middle of the storage unit to the first heat exchanger and having a flow cross section at least twice that of the second line. A common pump is employed for transferring the heat medium through all of the heat exchangers, and the return lines return the heat medium to the mid level of the storage unit.

REFERENCES:
patent: 4211187 (1980-07-01), Farris
patent: 4417546 (1983-11-01), Huskinson
patent: 4429830 (1984-02-01), Forster et al.
patent: 4512288 (1985-04-01), Michaud

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