F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
122/84
F24H 1/16 (2006.01) F24H 1/43 (2006.01) F24H 1/00 (2006.01)
Patent
CA 1297742
METHODS AND APPARATUS FOR CHANGING LIQUID TEMPERATURE A B S T R A C T Water heating methods and apparatus feed a combus- tible mixture of gas and air to an axial inlet of a cylindrical radiant surface burner and conduct water to be heated through a heat exchanger encompassing that cylindrical radiant surface burner as a cylindrical struc- ture having first passages for combustion gases there- through substantially radially of the cylindrical radiant surface burner and the heat exchanger. The cylindrical radiant surface burner and the cylindrical structure of said heat exchanger are enclosed by a housing having a plurality of corners projecting radially away from that cylindrical structures being spaced from each other and providing second passages for combustion gases extending along the heat exchanger substantially in series to the first passages. A refractory end piece in that housing is located adjacent an end of the cylindrical radiant surface burner axially opposite to the inlet of the sur- face burner, and a plurality of exhaust apertures are provided adjacent that refractory end piece and the plurality of corners. Combustion gases are exhausted from the cylindrical radiant surface burner through the first and second passages into and along the housing corners and into and through the exhaust apertures to the outside of the housing. Methods and apparatus for changing the temperature in a mass of liquid circulate that mass of liquid by pumping the liquid in a path ABSTRACT continued extending from that mass of liquid back to that mass of liquid, provide a bypass for part of the pumped liquid from a downstream portion of the path to an upstream portion of that path, provide and maintain a constant liquid flow for the part of the pumped liquid in the bypass, change the temperature of the part of the pumped liquid at the constant liquid flow in the bypass, and change the temperature in the mass by mixing at the up- stream portion the part of the pumped liquid of changed temperature from the bypass with liquid pumped in the path.
529769
Giordani Attilio G.
Raleigh William F.
Sargeant Jack W.
Rogers & Scott
Teledyne Industries Inc.
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