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Device and method for mixing oxygen and sweetened tail gas

A technology for sweetening and tail gas, which is applied in the direction of mixing method, mixer, fluid mixer, etc., can solve the problems of oxidation reaction, no danger of sweetening tail gas explosion, explosion, etc., so as to prevent the passage of flame and prevent combustion The effect of explosive risk

Active Publication Date: 2015-12-16
CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Oxygen needs to be supplemented after the oxygen content of the regeneration gas is depleted. Once the local oxygen concentration in the pipeline is too high during the process of supplementing oxygen, the sweetened tail gas is diluted and the system enters the explosion limit concentration, and oxidation reactions are likely to occur, leading to combustion or even explosion accidents. At present, there is no device and method to effectively reduce the risk of explosion in the process of sweetening tail gas recycling.

Method used

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  • Device and method for mixing oxygen and sweetened tail gas
  • Device and method for mixing oxygen and sweetened tail gas
  • Device and method for mixing oxygen and sweetened tail gas

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Embodiment Construction

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.

[0019] Such as figure 1 As shown, a device for mixing oxygen and sweetening tail gas includes a sweetening tail gas pipeline 2 and an oxygen pipeline 1, and the sweetening tail gas pipeline 2 communicates with the oxygen pipeline 1 and forms a section of oxygen mixing pipeline after communication. An oxygen mixer 4 is arranged on the oxygen mixing pipeline, and the oxygen pipeline 1 communicates with the oxygen mixer 4 , and the oxygen mixer 4 is filled with a plurality of barrier and explosion suppression balls 3 .

[0020] The invention also discloses a method for mixing oxygen and desulfurized tail gas, the method comprising the following steps:

[0021] Step 1: Determination of the intrinsic parameters of the site,

[0022] Specifically, test the pipe diameter of the...

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Abstract

The invention discloses a device for mixing oxygen and sweetened tail gas. The device comprises a sweetened tail gas pipeline and an oxygen pipeline, wherein the sweetened tail gas pipeline and the oxygen pipeline are communicated with each other and form a section of oxygen mixing pipeline after being communicated, an oxygen mixer is arranged on the oxygen mixing pipeline, the oxygen pipeline is communicated with the oxygen mixer, and the oxygen mixer is filled with multiple obstructing and explosion suppressing balls. The invention further discloses a method for mixing the oxygen and the sweetened tail gas. With the adoption of the method, the oxygen mixer is designed and filled with the obstructing and explosion suppressing balls, so that the explosion risk is reduced.

Description

technical field [0001] The invention relates to a device and method for mixing oxygen and desulfurization tail gas. Background technique [0002] Oxidation reaction is an exothermic dangerous chemical reaction. There is often a concentration gradient in the mixing process of oxygen and combustible gas. When the concentration range of combustible gas and oxygen is within the explosion limit range, it is likely to cause an explosion accident due to static sparks. The sweetening tail gas contains a large amount of C3-C5 hydrocarbon gas. The traditional process is to burn the sweetening tail gas into the incinerator, which not only causes energy consumption, but also brings environmental protection pressure. The improved process is to add oxygen to the sweetening tail gas. As the regenerated gas of the lye oxidation regeneration tower, it has great environmental protection significance because the demercaptan tail gas is recycled and does not need to discharge waste gas. Oxygen...

Claims

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Application Information

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IPC IPC(8): B01F5/06B01F3/02B01F23/10
Inventor 王振刚刘静如张帆费轶徐伟石宁
Owner CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG
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