Novel spray gun for desulfurization and denitrification

Abstract

The invention discloses a novel spray gun for desulfurization and denitrification. The novel spray gun comprises a spray gun inner pipe. One end of the spray gun inner pipe is welded to a connector, and the other end of the spray gun inner pipe is welded to a welding gun head. The outer wall of the spray gun inner pipe is provided with a bayonet and a quick connector, and a small metal sealing ring is arranged between the bayonet and the wall of the spray gun inner pipe. A large metal sealing ring is arranged between the fast connector and the wall of the spray gun inner pipe, and the fast connector is further connected with a spray gun casing pipe. An inlet pipe is arranged on the spray gun casing pipe, and the inlet pipe is provided with a cooling pipe. A flange is arranged on the outer wall of the spray gun casing pipe, and the end opening position of the spray gun casing pipe is provided with a circular-truncated-cone-shaped spray head flared opening. A diversion part is arranged between the inner wall of the spray gun casing pipe and the spray gun head. The novel spray gun for desulfurization and denitrification is convenient to install and capable of improving the desulfurization and denitrification working efficiency, and meanwhile prolonging service life.

Description

technical field [0001] The invention relates to a novel spray gun used in desulfurization and denitrification operations. Background technique [0002] The desulfurization and denitrification tower is mainly composed of a flue gas conveying system, an absorption tower, a spray system, a slurry circulation system, and a slurry recovery system. [0003] The industrial waste gas transports a large amount of sulfur dioxide, carbon dioxide, etc. waste gas to the absorption tower through the flue gas conveying system. A large amount of desulfurization agent in the absorption tower is transported to the tower body by the spray system. The desulfurizer and industrial waste gas with a certain pressure and detachment ability Full contact produces a chemical reaction. In order to make the sulfur dioxide in the waste gas form a precipitate and flow to the bottom of the tower, it is discharged from the slurry circulation system to the outside of the tower for recycling. After desulfuriza...

AI Technical Summary

Problems solved by technology

[0004] At present, in the process of desulfurization and denitrification, flue gas conditioning and other processes, spray guns are generally used in the spray system to spray the fluid into a certain range to achieve the ideal mixing effect and improve the efficiency and efficiency of desulfurization and denitrification. Quality; but there are deficiencies in the existing spray gun structure. First, the structure is complex, there are many pipe fittings, and the sleeve in the pipe is troublesome to install, which is very cumbersome. In the process, the surface temperature of the spray gun is high and it is easy to corrode. Therefore, the above problems have been technical problems for many years and need to be solved urgently.

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