Oxidation air uniform-distribution device for calcium desulphurization

A technology of oxidizing air and a uniform distributor, applied in the direction of calcium/strontium/barium sulfate, etc., can solve the problems of poor distribution uniformity of oxidizing air, unguaranteed quality of desulfurized gypsum, and not necessarily uniform air volume of nozzles, etc., to achieve The effect of equipment power consumption reduction, high utilization rate and uniform distribution

Inactive Publication Date: 2014-02-19
SICHUAN JUNHE ENVIRONMENTAL PROTECTION
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Problems solved by technology

In actual operation, there is often insufficient air pressure and air volume at the end of the branch pipe. Therefore, although the air nozzle holes are arranged very uniformly, the air volume passing through each nozzle is not necessarily uniform, whic

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  • Oxidation air uniform-distribution device for calcium desulphurization

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[0016] Below in conjunction with accompanying drawing, the present invention is described in detail.

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0018] Such as figure 1 Shown:

[0019] The present invention comprises an air inlet pipe 1, an oxidation fan 2 and an oxidation air pipeline 3; the air inlet pipe 1 is connected to the air inlet of the oxidation fan 2; the air inlet end of the oxidation air pipeline 3 is connected to the air outlet of the oxidation fan 2, and the oxidation air pipeline 3. The gas outlet end is connected with the gas supply main pipe 8 in the absorption tower 11; the gas supply main pipe 8 is provided with a plu...

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Abstract

The invention provides an oxidation air uniform-distribution device for calcium desulphurization. The device comprises an air feed main pipe, a plurality of air feed branch pipes and a connecting pipe, wherein each of the air feed main pipe and the air feed branch pipes is a straight pipe with two open ends, the vertical axis of each air feed branch pipe is perpendicular to the vertical axis of the air feed charge, the connecting pipe is an annular pipe, one open end of the air feed main pipe is an air inlet end, the other open end of the air feed main pipe is communicated with the connecting pipe, every two adjacent air feed branch pipes are arranged in parallel at an equal interval, one open end of each air feed branch pipe is communicated with the air feed main pipe, the other open end of each air feed branch pipe is communicated with the connecting pipe, and the sidewall of each air feed branch pipe is uniformly provided with oxidation air jet holes. The uniform-distribution device provided by the invention enables air flow and air pressure of air flowing through each air jet hole to be more uniform and more stable, thereby improving the oxidation effect of calcium sulfite and the utilization rate of oxidation air.

Description

technical field [0001] The invention relates to an oxidation air distribution device used in limestone gypsum desulfurization in a desulfurization absorption tower. Background technique [0002] In the limestone gypsum desulfurization process, in order to obtain better quality desulfurization by-product gypsum products, the intermediate product calcium sulfite must be forcibly oxidized. The higher the oxidation efficiency, the better the quality of gypsum. At present, the most widely used method is to use in-situ forced oxidation, which can save space and make the system layout more concise. There are many kinds of forced oxidation devices in different ways to introduce the oxidation air into the oxidation zone of the tank and disperse it, but the two most commonly used methods are the pipe network spray type, also known as the fixed air sparger (Fixed Air Sparger, FAS) and Agitator Air Lance Assemblies (ALS). [0003] FAS is at a certain depth of the reaction tank (usuall...

Claims

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Application Information

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IPC IPC(8): C01F11/46
Inventor 李乐军杨波古志中
Owner SICHUAN JUNHE ENVIRONMENTAL PROTECTION
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