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Acid exhaust gas absorption tank

An acid tail gas and absorption tank technology, which is applied in the directions of dispersed particle separation, chemical instruments and methods, separation methods, etc., can solve the problems of difficulty in ensuring the acid tail gas absorption rate and absorption effect, and the acid tail gas cannot be evenly distributed, etc. The effect of convenient maintenance and simplified process flow

Active Publication Date: 2016-08-17
XIAN CHANGQING TECH ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, when the above-mentioned device is used for acidic tail gas absorption, the acidic tail gas entering the tail gas absorption device cannot be evenly distributed, and it is difficult to ensure the absorption rate and absorption effect of the acidic tail gas.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] In order to reduce the emission of acid tail gas, especially to deal with a small amount of acid tail gas, and reduce the cost under the premise of meeting the environmental protection emission requirements, this embodiment provides figure 1 The acidic tail gas absorption tank shown is an acidic tail gas absorption tank, comprising an absorption tank body 1, and the top of the absorption tank body 1 is provided with a lye filling port 2 and a residual gas outlet 3; the side of the absorption tank body 1 The wall is provided with an exhaust gas inlet 7 and an alkali liquor outlet 10, and a gas distributor 5 is arranged inside the absorption tank body, and the gas distributor 5 communicates with the exhaust gas inlet 7 through a pipeline.

[0028] When in use, first inject lye from the lye filling port 2, then lead the acidic tail gas into the gas distributor 5 connected to the tail gas inlet 7 through the tail gas inlet 7, and the acidic tail gas passes through the gas di...

Embodiment 2

[0032] On the basis of Example 1, in order to reduce the emission of acid tail gas, this example provides figure 2 Shown gas distributor 5, described gas distributor 5 is made up of annular pipe 11, branch pipe 12 and connecting pipe 13; The end portion of the pipe is connected with a blocking plate 14; the connecting pipe 13 communicates with the inner side of the annular pipe 11;

[0033] The sectional view of the annular pipe 11 of the gas distributor 5 is as image 3 shown.

[0034] When working, it should be ensured that the opening of the gas distributor 5 is downward, and the acidic tail gas entering the absorption tank body 1 can be evenly distributed through the porous structure of the gas distributor 5, so that the acidic tail gas can fully contact with the lye, ensuring the absorption rate and Effect.

[0035] Due to the use of the gas distributor 5 provided in this embodiment, the uniform distribution of the gas entering the absorption tank body 1 can be ensure...

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Abstract

The invention discloses an acidic tail gas absorbing tank, and belongs to the technical field of tail gas treatment in energy conservation and environmental protection. The acidic tail gas absorbing tank comprises an absorbing tank cylinder, wherein an alkali liquor filling port and a residual gas outlet are formed in the top of the absorbing tank cylinder; a tail gas inlet and an alkali liquor discharge port are formed in a side wall of the absorbing tank cylinder; and a gas distributor is arranged in the absorbing tank cylinder and is communicated with the tail gas inlet by virtue of a pipeline. The acidic tail gas absorbing tank can be used for treating most of acidic components in the acidic tail gas, can achieve environmental protection discharge of the acidic tail gas without a very high chimney, is easy to implement, reduces the manufacturing cost, and has positive significance for treating a small amount of acidic tail gas.

Description

technical field [0001] The invention relates to an acid tail gas treatment device for industries such as natural gas and chemical industry, belongs to the technical field of tail gas treatment in terms of energy saving and environmental protection, and in particular relates to an acid tail gas absorption tank. Background technique [0002] Natural gas generally contains a large amount of saturated water vapor. When the gas transmission pressure and ambient temperature change, water vapor may precipitate from the natural gas to form liquid water, ice or solid hydrate of natural gas. These substances will increase the transmission pressure drop and reduce the The passing capacity of the gas pipeline will block the valves and pipelines in severe cases, affecting the smooth gas supply. Moreover, in the process of natural gas transportation, the acidic components of its liquid water will accelerate the corrosion of pipe walls and valves, shorten the service life of pipelines, red...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/78B01D53/40
Inventor 李永生何茂林郭亚红董艳国杨建东
Owner XIAN CHANGQING TECH ENG
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