Spraying type waste gas emission device for stainless steel plate pickling processing

Abstract

The invention discloses a spraying type exhaust gas discharge device for stainless steel plate pickling processing. The spraying type waste gas exhaust device for stainless steel plate pickling processing comprises an air suction mechanism, an odor treatment mechanism and a circulating driving mechanism, and has the beneficial effects that air in a sealing cover can be blown downwards in an inclined state, so that the air is pushed in a certain direction, and the reverse pushing force of the air on a driving blade is reduced; the gas pressure intensity is utilized to the maximum extent, then the driving blade is pushed to rotate to the maximum extent, the resource utilization rate is maximized, the driving blade rotates more stably, a first spraying piece and a second spraying piece can conduct circular spraying to remove nitric acid gas in air, and under rotation driving of a stabilizing rod, the nitric acid gas in the air can be removed; and the nitric acid gas in the sealing cover is subjected to cutting type spraying treatment, and the whole sealing cover is filled with ammonia water to the maximum extent, so that the nitric acid gas can be seamlessly drilled, metathesis reaction is performed to the maximum extent, treatment is more thorough, and exhausted gas is clearer.

Description

technical field [0001] The invention relates to the field of pickling technology for stainless steel plates, in particular to a spray type exhaust gas discharge device for pickling processing of stainless steel plates. Background technique [0002] Pickling of steel means that the strip steel must have a clean and active surface to ensure the surface quality of the produced steel. In the process of pickling of steel, nitric acid is mostly used for acid compounds. Nitric acid is easy to evaporate and float in the air. It not only has a pungent odor, but also has a lot of damage to the human body when exposed to frequent contact. Therefore, it is necessary to carry out exhaust gas. Emission purification treatment. [0003] However, no matter whether the exhaust gas emission device for pickling processing of stainless steel plate is direct injection or rotary spray type, there will be dead spots, either in the spray gap of the bifurcated nozzle, or in the gap between the seal ...

AI Technical Summary

Problems solved by technology

[0003] However, whether the exhaust gas exhaust device for pickling processing of stainless steel plate is a direct injection type or a rotary spray type, there will always be a dead angle, either in the spray gap of the bifurcated nozzle, or in the gap between the sealing cover and the maximum spray range. In the middle, this makes a lot of exhaust gas pass through it, making the exhaust gas treatment effect worse, and the energy brought by the air pressure is not used reasonably, resulting in the waste of resources

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