Smoke waste heat recovery and re-circulating temperature adjusting method and system of natural gas oxygen-rich combustion furnace
A technology of oxygen-enriched combustion and flue gas waste heat, which is applied in the direction of combustion methods, combustion equipment, furnaces, etc., can solve problems such as damage to the exhaust gas temperature of the furnace body, energy waste, and oxidation of furnace materials, so as to prevent excessive oxidation or burnout, and realize The effect of adjusting and controlling furnace temperature and reducing usage
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[0020] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] An embodiment of the present invention provides a method for recovering waste heat from flue gas and recirculating temperature adjustment (i.e., temperature adjustment) of a natural gas oxygen-enriched combustion furnace (the natural gas oxygen-enriched combustion furnace can be an industrial kiln or a boiler), which can recover the waste heat in the flue gas Waste heat and regulation and control of furnace temperature of industrial kilns and boilers, combined with figure 1 A schematic diagram of a regulating system, the meth...
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