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Confluence type desulfurization equipment and method

A technology of equipment and shell, applied in the field of converging desulfurization technology and equipment, can solve the problems of inability to achieve clean discharge, insufficient reaction and clean discharge, incomplete contact, etc., achieve good promotion value and use value, and improve gas-liquid mixing. Contact efficiency and purification efficiency, and the effect of improving contact efficiency

Active Publication Date: 2017-01-04
GUIYANG AL-MG DESIGN & RES INST
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Problems solved by technology

The existing desulfurization technologies are divided into three categories: dry method, semi-dry method and wet method. Among them, the dry method and semi-dry method cannot meet the national clean emission requirements due to insufficient reaction after contact. The purification efficiency of the wet method purification system for sulfur dioxide is relatively low. High, but most purification systems cannot meet the requirements of clean emissions due to incomplete contact

Method used

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  • Confluence type desulfurization equipment and method

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Embodiment Construction

[0014] In the converging desulfurization technology and equipment of the present invention, the air inlet sends the flue gas into the casing from the tangential direction of the shell body, so that the flue gas flow enters the purification equipment and rises during the rotation process and gradually meets and flows with the washing circulating water. , this flow method eliminates the large local eddy current of the equipment, and the flue gas gradually rises during the rotation. A swirling flow gradient mixed flow plate structure is set in the shell, and the structure is gradually rotated upward according to the direction of the airflow rotation, and the airflow is separated by a multi-layer structure to ensure that large bubbles do not pass through the liquid when the gas and liquid meet. At the same time, a downward arc surface is set locally at the gas-liquid intersection to ensure that there is no gas-liquid convection and liquid cut-off phenomenon. At the same time, by co...

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Abstract

The invention relates to a confluence type desulfurization technology and equipment. According to the technology, the smoke gas flow and the circulation liquid flow are controlled, so that gas and liquid effectively realize crossed confluence in a forced way; in the gas and liquid confluence process, mixed contact is realized; harmful substances in the gas are absorbed and dissolved by liquid; the goal of purification is realized; by the purification method, the gas and the liquid are mixed and are in effective contact; the contact efficiency of system equipment is improved, so that the purification efficiency is greatly improved; under the condition that the alkaline concentration of washing liquid is effectively controlled, the goal of national clean discharging is realized; the contaminant discharging is reduced; the production and living environment of people is better protected.

Description

technical field [0001] The invention relates to an intersection type desulfurization technology and equipment, in particular to a high-efficiency desulfurization flue gas wet purification technology and equipment. Background technique [0002] At present, in the coal combustion process and petroleum coke calcination process system, due to the high sulfur content of raw materials and the oxidation consumption of raw materials, a large amount of pollutants such as sulfur dioxide are produced in the flue gas system, and the sulfur dioxide content in the flue gas of the coal combustion system exceeds 10000 mg / m 3 , the fluctuation range of sulfur dioxide in flue gas from petroleum coke calcination is 1600~7000mg / m 3 , while my country's clean emission standard sulfur dioxide limit is 35mg / m 3 , The desulfurization process has been transformed from "rough" to "fine". The existing desulfurization technologies are divided into three categories: dry method, semi-dry method and w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/18
CPCB01D53/1481B01D53/18B01D2258/0283
Inventor 邓翔
Owner GUIYANG AL-MG DESIGN & RES INST
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