Abstract: The present invention relates to an apparatus and method for recovering carbon dioxide (hereinafter also referred to as “CO2”) contained in a combustion exhaust gas, and more specifically relates to: an apparatus and method for reactively absorbing CO2 contained in a combustion exhaust gas into an amine compound-containing absorption liquid; an apparatus and method for desorbing CO2 contained in an amine compound-containing absorption liquid from the amine compound-containing absorption liquid; an apparatus and method for evaporating and separating impurities from the amine compound-containing absorption liquid containing the impurities; an apparatus and method for performing a pretreatment such as desulfurization, dust removal, and cooling on a combustion exhaust gas; and a carbon dioxide-recovering apparatus and method utilizing the above apparatuses and methods.

Abstract: The present invention relates to an apparatus and method for recovering carbon dioxide (hereinafter also referred to as “CO2”) contained in a combustion exhaust gas, and more specifically relates to: an apparatus and method for reactively absorbing CO2 contained in a combustion exhaust gas into an amine compound-containing absorption liquid; an apparatus and method for desorbing CO2 contained in an amine compound-containing absorption liquid from the amine compound-containing absorption liquid; an apparatus and method for evaporating and separating impurities from the amine compound-containing absorption liquid containing the impurities; an apparatus and method for performing a pretreatment such as desulfurization, dust removal, and cooling on a combustion exhaust gas; and a carbon dioxide-recovering apparatus and method utilizing the above apparatuses and methods.

Abstract: A mixing element in which spiral blade edge portions are disposed in a tube wall portion of a passage tube through which fluid flows and an opening section of the passage tube and the blade edge portions are joined to each other is provided. In an existing manufacturing method using a gas welding machine, when, for example, a mixing element having an inside diameter of 130 mm is to be manufactured, eight 90-degree rotation type spiral blades can be disposed at most. In a method for manufacturing the mixing element according to the present invention, it is possible to manufacture a mixing element including 10 or more blades by using a laser processor.

Abstract: A mixing element in which spiral blade edge portions are disposed in a tube wall portion of a passage tube through which fluid flows and an opening section of the passage tube and the blade edge portions are joined to each other is provided. In an existing manufacturing method using a gas welding machine, when, for example, a mixing element having an inside diameter of 130 mm is to be manufactured, eight 90-degree rotation type spiral blades can be disposed at most. In a method for manufacturing the mixing element according to the present invention, it is possible to manufacture a mixing element including 10 or more blades by using a laser processor.

Abstract: A mixing element in which spiral blade edge portions are disposed in a tube wall portion of a passage tube through which fluid flows and an opening section of the passage tube and the blade edge portions are joined to each other is provided. In an existing manufacturing method using a gas welding machine, when, for example, a mixing element having an inside diameter of 130 mm is to be manufactured, eight 90-degree rotation type spiral blades can be disposed at most. In a method for manufacturing the mixing element according to the present invention, it is possible to manufacture a mixing element including 10 or more blades by using a laser processor.

Abstract: A mixing element in which spiral blade edge portions are disposed in a tube wall portion of a passage tube through which fluid flows and an opening section of the passage tube and the blade edge portions are joined to each other is provided. In an existing manufacturing method using a gas welding machine, when, for example, a mixing element having an inside diameter of 130 mm is to be manufactured, eight 90-degree rotation type spiral blades can be disposed at most. In a method for manufacturing the mixing element according to the present invention, it is possible to manufacture a mixing element including 10 or more blades by using a laser processor.

Abstract: Disclosed is a gas-liquid contact system. The system includes a vessel arranged approximately perpendicular to the ground in a longitudinal direction, a static fluid mixer in the vessel having a passage tube and a spiral blade provided in the passage tube, a gas supplier supplying gas having foreign substances to the static fluid mixer from a lower end of the vessel, a gas discharger discharging the gas passed through the static fluid mixer from an upper end of the vessel, a first liquid supplier supplying liquid to the static fluid mixer, and a liquid discharger discharging the liquid supplied from the first liquid supplier outside of the vessel. In the system, the gas supplier includes a gas generator generating gas, a pipe connecting the gas generator with the vessel, a blowing device provided in the pipe, and a second liquid supplier supplying liquid to the pipe between the gas generator and the blowing device.

Abstract: A mixing element, which is produced at low cost, has high mixture agitation effectiveness, and is easily made large, and a static fluid mixer using the mixing element are provided. Further, a gas-liquid treatment apparatus with high treatment ability is provided. A mixing element 1 includes: a cylindrical passage tube 2 trough which fluid flows; a plurality of spiral rightward rotation type first blades 3 formed of a perforated object, which are provided in the passage tube 2; a first inner cylindrical tube 5 shaped like a cylinder and disposed inside the blades 3; a plurality of spiral rightward rotation type blades 6 provided in the inner cylindrical tube 5; and an opening 9 formed in the axial center portion of the blades 6. A static fluid mixer is formed by using at least one mixing, element 1 mentioned above.

Abstract: Disclosed is a fluid mixer that includes a plurality of fluid mixing units each having openings and a mixing portion arranged in a packed column. In the fluid mixer, the plurality of fluid mixing units are irregularly arranged in axial directions different from each other.

Abstract: Disclosed is a gas-liquid contact system. The system includes a vessel arranged approximately perpendicular to the ground in a longitudinal direction, a static fluid mixer in the vessel having a passage tube and a spiral blade provided in the passage tube, a gas supplier supplying gas having foreign substances to the static fluid mixer from a lower end of the vessel, a gas discharger discharging the gas passed through the static fluid mixer from an upper end of the vessel, a first liquid supplier supplying liquid to the static fluid mixer, and a liquid discharger discharging the liquid supplied from the first liquid supplier outside of the vessel. In the system, the gas supplier includes a gas generator generating gas, a pipe connecting the gas generator with the vessel, a blowing device provided in the pipe, and a second liquid supplier supplying liquid to the pipe between the gas generator and the blowing device.