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  Exhaust gas reducing facilityUSPTO Application #: 20060147856Title: Exhaust gas reducing facility Abstract: An exhaust gas reducing facility includes a combustion chamber, a container and a receptacle disposed below the combustion chamber, a fan device may be used for circulating exhaust gas through the container and the combustion chamber and the receptacle, a heater is attached to the combustion chamber, for burning the exhaust gas flowing into the combustion chamber, and one or more catalyst materials are disposed in the combustion chamber, for acting with the exhaust gas, to reduce poisonous and hazardous materials from the exhaust gas. The receptacle and the container may each include a porcelain element for heat exchanging purposes. The catalyst material may either or both a de-NOX and a de-dioxin catalyst material. (end of abstract)
Agent: Jeng Si Lai - Taichung, TW Inventor: Jeng Si Lai USPTO Applicaton #: 20060147856 - Class: 431115000 (USPTO) Related Patent Categories: Combustion, Combustion Products Return Structure The Patent Description & Claims data below is from USPTO Patent Application 20060147856. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to an exhaust gas reducing facility, and more particularly to an exhaust gas reducing facility for removing or for reducing various kinds of exhaust gases. [0003] 2. Description of the Prior Art [0004] Our environment has been serious polluted by various kinds of exhaust gases, such as nitrogen oxide productions (NO.sub.X), dioxin, volatile organic compound (VOC), or the like, that are normally generated by various waste burners, incineration plants, industrial furnaces, etc. Various kinds of exhaust gas scrubbers, burners, or other furnaces have been developed to remove or to reduce various kinds of exhaust gases. [0005] For example, some of the typical exhaust gas reducing facilities, such as regenerative thermal oxidizer (RTO), regenerative catalytic oxidizer (RCO), etc., have been developed or provided for treating volatile organic solutions or agents, and comprise a combustion chamber for receiving the exhaust gas, and for heating or burning the exhaust gas, in order to remove or to reduce the volatile organic solutions or agents. [0006] Normally, in the combustion chamber, a great temperature more than 815.degree. C. is required to be provided or transferred into the combustion chamber, in order to suitably burn and remove the volatile organic solutions or agents. However, an expensive burning or combustion chamber is required to be provided to produce or to generate and to transfer the heat of a great temperature more than 815.degree. C. [0007] The other typical exhaust gas reducing facilities have been developed or provided for treating dioxin, and comprise an active carbon material to absorb the dioxin exhaust gas. However, after absorbing the dioxin material, the active carbon material will be buried into ground, and will also pollute our environment, such as pollute the underground water. [0008] U.S. Pat. No. 3,485,015 to Vecchio discloses one of the typical exhaust gas scrubbers, and comprises a number of liquid baths arranged for allowing the exhaust gas to flow through the liquid baths in series, and thus for allowing the exhaust gas to be scrubbed by the liquid baths. However, similarly, the exhaust gas is also transferred to or carried by the liquid, and will also be discharged to our environment. [0009] U.S. Pat. No. 4,699,071 to Vier et al. discloses another typical furnace for reducing nitrogen oxide productions (NO.sub.X), or hot stack or exhaust gas produced by a furnace burning a fossil fuel, and comprises a recycling part of the NO.sub.X containing stack gas, in admixture with cold fresh air, back into a combustion chamber of the furnace. However, a complicated recycling configuration is required to be provided to recycle part of the NO.sub.X containing stack gas. [0010] U.S. Pat. No. 4,739,713 to Vier et al. discloses a further typical combustion system for reducing nitrogen oxide productions (NO.sub.X) or NO.sub.X content of flue gas, and comprises a coal-dust-fired combustion system having at least two vertically adjacent burner planes, in which the burner flame cores are fed with primary air in the core zones in a substoichiometric ratio to the coal dust feed system, and additionally fed with secondary air comprising recycled flue gas. However, a complicated air providing configuration or system is required to be provided to provide and feed fresh air to various portions or zones of the typical combustion system. [0011] U.S. Pat. No. 5,237,939 to Spokoyny et al. discloses a still further typical burner for reducing nitrogen oxide productions (NO.sub.X), and comprises a heat exchanger wherein at least some of the heat transfer elements are coated with a catalyst, and comprises a number of reactive gas injectors arranged to introduce a nitrogeneous compound across a hot end of the heat exchanger. However, it will be difficult and complicated and expensive to coat the heat transfer elements with the catalyst. [0012] Furthermore, the typical exhaust gas scrubbers, burners, or other furnaces each may only be used to treat or to remove or to reduce one kind of the exhaust gases, such as the nitrogen oxide productions (NO.sub.X), dioxin, organic agents, or the like respectively, and may not be easily and readily used to treat or to remove or to reduce the other kind of exhaust gases. [0013] The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional exhaust gas reducing facilities. SUMMARY OF THE INVENTION [0014] The primary objective of the present invention is to provide an exhaust gas reducing facility for removing or for reducing various kinds of exhaust gases. [0015] In accordance with one aspect of the invention, there is provided a exhaust gas reducing facility comprising a combustion chamber, a container and a receptacle disposed below the combustion chamber, circulating means for circulating exhaust gas through the container and the combustion chamber and the receptacle, a heater attached to the combustion chamber, for burning the exhaust gas flowing into the combustion chamber, and at least one catalyst material disposed in the combustion chamber, for acting with the exhaust gas, to reduce poisonous and hazardous materials from the exhaust gas. [0016] The circulating means includes a fan device to circulate the exhaust gas through the container and into the combustion chamber and out through the receptacle, or to circulate the exhaust gas through the receptacle and into the combustion chamber and out through the container. [0017] The catalyst material may be disposed above the container or disposed above the receptacle. The receptacle includes a porcelain element disposed therein. The container may also include a porcelain element disposed therein. [0018] The catalyst material may either be a de-NO.sub.X catalyst material for removing nitrogen oxide productions (NO.sub.X), or a de-dioxin catalyst material for removing dioxin materials, or may include both a de-NO.sub.X catalyst material and a de-dioxin catalyst material for removing both nitrogen oxide productions (NO.sub.X) and dioxin materials. [0019] Further objectives and advantages of the present invention will become apparent from a careful reading of the detailed description provided hereinbelow, with appropriate reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS [0020] FIG. 1 is a partial plan schematic view of an exhaust gas reducing facility in accordance with the present invention; [0021] FIG. 2 is a simplified or partial perspective view of the exhaust gas reducing facility; and Continue reading... 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