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1. (WO2018144688) STEAM GENERATOR AND ASSOCIATED STEAM COOKING SYSTEM

Pub. No.:    WO/2018/144688    International Application No.:    PCT/US2018/016371
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Fri Feb 02 00:59:59 CET 2018
IPC: A21B 3/04
F24C 15/32
Applicants: ILLINOIS TOOL WORKS INC.
Inventors: FROCK, Jeffrey, L.
CUPP, Timothy, L.
Title: STEAM GENERATOR AND ASSOCIATED STEAM COOKING SYSTEM
Abstract:
A steam generator includes a tank (24) for holding water, and a heating system associated with the tank (24) for heating water in the tank to produce steam, the heating system including a gaseous fuel burner (30) that produces hot combustion gases. A steam superheater compartment receives combustion gases from the heating system and that includes a steam line (22) therein that receives steam from the tank to provide heat exchange between hot combustion gases traveling through the compartment and steam traveling along the steam line. A tank feed water pre-heat system that receives combustion gases from the heating system and that includes a water feed line therein to provide heat exchange between hot combustion gases and water within the water feed line, wherein the water feed line is connected for delivery of pre-heated water to a water inlet of the tank.