Fuel oil and fuel gas oxygen rich mixed combustion nozzle for oxygen rich local oxygenation jet combustion supporting

Abstract

The invention discloses a fuel oil and fuel gas oxygen rich mixed combustion nozzle for oxygen rich local oxygenation jet combustion supporting. Oxygen rich gas is jet to a combustion flame area to support combustion from the inside center of a plurality of fuel nozzle holes, namely the plane center of a spray gun head; and the fuel nozzle holes and the oxygen rich gas nozzle hole form inward small angles. The nozzle is characterized in that: the oxygen rich gas nozzle hole and the fuel nozzle holes are in the same spray gun, the spray head of the spray gun is in a plane and vertical to the spray gun, the center of the spray gun is provided with the oxygen rich gas nozzle hole, the plurality of fuel nozzle holes are uniformly distributed on four sides of the oxygen rich gas nozzle hole, and the central axis of the fuel nozzle holes and the central axis of the spray gun form an inward included angle of 0 to 10 degrees, namely the central axis of the fuel nozzle holes and the plane of the spray gun head form an inward included angle of 90 to 80 degrees.

Description

technical field [0001] The invention relates to a fuel gas oxygen-enriched mixed combustion nozzle for oxygen-enriched local oxygen-increasing jet combustion, which is suitable for all fuel gas burner nozzles, and belongs to the technical field of comprehensive energy saving and emission reduction and the field of combustion science and technology. Background technique [0002] The application of oxygen-enriched combustion-supporting technology in modern industry has become more and more extensive. Commonly used oxygen-enriched combustion-supporting methods include overall oxygen-enriched combustion-support and partial oxygen-enriched combustion-support. Foreign countries mainly use overall oxygen-enriched combustion-supporting. The overall oxygen-enriched combustion-supporting investment is large and has many side effects; domestic main Using local oxygen-increased combustion, there are not many people engaged in the research and application of local oxygen-increased combu...

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Problems solved by technology

[0002] The application of oxygen-enriched combustion-supporting technology in modern industry has become more and more extensive. Oxygen-supporting combustion, the overall oxygen-increasing combustion-supporting investment is large, and there are many side effects; domestically, local oxygen-increasing combustion-supporting technology is mainly used, and there are not many people engaged in the research and application of local oxygen-increasing combustion-supporting technology in China. The main reason is that the application of local oxygen-increasing combustion-supporting technology is too complicated , Different furnace types send enriched oxygen into the combustion flame at different positions and angles, and even the same type of combustion furnace has different combust...

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