Large desulfurized solution regeneration tank

Abstract

The invention relates to a large desulfurized solution regeneration tank which comprises a sulfur foam guide device, a sulfur foam overflow weir, a gas distribution plate, a seal cover, an ejector, a gas pre-distributor and the like, wherein the sulfur foam guide device is manufactured at the top end of a tank body and fixed to the wall of the tank in a welding manner; the top edge of the sulfur foam guide device is higher than the sulfur foam overflow weir at the top edge of the tank body; the gas distribution plate is manufactured in the tank body and the seal cover is manufactured at the top; the ejector is manufactured at the top of the seal cover and connected with a desulfurized solution inlet pipe; the tail end of the inlet pipe is connected with the gas pre-distributor; a gas entrapped by the ejector firstly passes through the gas pre-distributor and then passes through the gas distribution plate, so that the stable liquid level is ensured; floated sulfur foam overflows through the guide device along the sulfur foam overflow weir and is extracted through a sulfur foam outlet; the regenerated desulfurized solution flows out through a desulfurized solution outlet; and a floated tail gas is discharged through a gas collection opening. The large desulfurized solution regeneration tank has the advantages that bubble coalescence is prevented, the liquid level stability of the regeneration tank is improved, the sulfur foam quickly and stably overflows, and the content of suspending sulfur in the desulfurized solution at the outlet of the regeneration tank is reduced.

Description

[0001] Technical field: [0002] The invention relates to a large-scale desulfurization liquid regeneration tank, which belongs to the technical field of chemical industry. [0003] Background technique: [0004] During the operation of the wet oxidation desulfurization device, the desulfurization liquid from the hydrogen sulfide absorption tower is oxidized into elemental sulfur in the regeneration tank, and floats upward with the gas. When the sulfur foam exceeds the upper edge of the main body of the regeneration tank When it flows out along the sulfur foam overflow weir, the desulfurized liquid after regeneration flotation is extracted from the side wall and returned to the hydrogen sulfide absorption tower for recycling. However, when the diameter of the main body of the regeneration tank is large, the gas brought in by the injector cannot be evenly distributed well, and the large bubbles generated can cause violent fluctuations in the liquid level, thereby causing a large...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the shortcomings of the prior art, to provide a large-scale desulfurization liquid regeneration tank equipped with a gas pre-distributor and a sulfur foam deflector, aiming to solve the existing large-scale desulfurization liquid regeneration tank due to gas The problem of high suspended sulfur content in the desulfurization liquid caused by uneven distribution, violent liquid level fluctuations, long residence time of sulfur foam and poor stability has the advantages of maintaining stable liquid level and rapid and stable overflow of sulfur foam out of the regeneration tank

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