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Quality-guaranteed type sulfuric acid storage device and method for improving quality of sulfuric acid

A storage device and quality-preserving technology, applied in the packaging of harmful substances, chemical instruments and methods, packaging, etc., can solve the problems of acid concentration drop, acid discoloration, and acid quality reduction, so as to improve quality, avoid pollution, and ensure transparency. Effect

Inactive Publication Date: 2018-03-06
江苏庆峰工程集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Corrosive substances and water in the air enter the acid, causing problems such as acid concentration drop, acid discoloration, and acid quality reduction.

Method used

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  • Quality-guaranteed type sulfuric acid storage device and method for improving quality of sulfuric acid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] like figure 1 As shown, the quality-guaranteed sulfuric acid storage device includes a barrel body, an acid inlet pipe, a dryer, a breathing pipe, a liquid level gauge, and an acid outlet pump; There is a sampling port, the acid outlet and the acid outlet pump are connected by pipelines; the acid inlet pipe extends into the barrel until it reaches the bottom of the barrel, the bottom of the acid inlet pipe is sealed, and an acid outlet is provided on the side wall of the acid inlet pipe; dry The device is installed on the top of the barrel and communicates with the inside of the barrel; the breathing pipe is installed on the top of the dryer and communicates with the dryer; the liquid level gauge is located outside the barrel and communicates with the barrel.

[0039] There are 2-4 acid outlets on the side wall of the acid inlet pipe, the acid outlet is a square mouth, the total area of ​​the acid outlet is 1.5-2 times the cross-sectional area of ​​the acid inlet pipe; ...

Embodiment 2

[0047] A method for improving the quality of sulfuric acid is stored with the above-mentioned quality-preserving type sulfuric acid storage equipment, and also includes the following:

[0048]A. In the process of sulfuric acid preparation, pyrite furnace gas and smelting flue gas should be subjected to high-efficiency electric dust removal, three-stage washing and two-stage electric demisting in sequence, and then dried with concentrated acid to obtain high-purity SO 2 gas; in this way, highly purified SO can be obtained 3 , thereby fundamentally improving the quality of sulfuric acid.

[0049] B. Clean water is used in the dry suction section; at least it is surface tap water for human consumption. According to the use of the finished acid, great attention should be paid to the selection of different types of high-purity water.

[0050] C. Stainless steel or F4 is used for the pipeline in the dry suction section, and the tower, tank, and storage tank in the dry suction secti...

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Abstract

The invention discloses a quality-guaranteed sulfuric acid storage device and a method for improving the quality of sulfuric acid. The quality-guaranteed sulfuric acid storage device comprises a barrel body, an acid inlet pipe, a dryer, a breathing pipe, a liquid level gauge and an acid outlet pump; the barrel body is a sealed structure, the bottom of the barrel is equipped with an acid outlet, and the acid outlet and the acid pump are connected by pipelines; the acid inlet pipe extends into the barrel until it reaches the bottom of the barrel, the bottom of the acid inlet pipe is sealed, and the acid inlet pipe is on the side wall There is an acid outlet; the dryer is installed on the top of the barrel and communicates with the inside of the barrel; the breathing pipe is installed on the top of the dryer and communicates with the dryer; the liquid level gauge is located outside the barrel and communicates with the barrel. The quality-guaranteed sulfuric acid storage device of the present invention can protect sulfuric acid very well, avoiding the pollution of sulfuric acid by water and corrosive substances, thereby ensuring the quality of sulfuric acid, and can be used repeatedly; The quality of sulfuric acid ensures the colorlessness and transparency of sulfuric acid, and avoids the pollution of heavy metals and residues.

Description

technical field [0001] The invention relates to a quality-guaranteed sulfuric acid storage device and a method for improving the quality of sulfuric acid, belonging to the field of sulfuric acid protection. Background technique [0002] Sulfuric acid storage equipment is the key equipment and part that affects the speed and severity of sulfuric acid deterioration, especially in summer or when the acid temperature is high. One of the main causes of acid deterioration is the water in the air. The air sources in the acid mainly include: the air and bubbles brought in by the acid from the factory, and the air entering from the breathing hole during the storage process. Another main cause of acid deterioration is corrosion. The heavily corroded part of the storage equipment is the area where the acid surface often fluctuates. After a period of use, the inner wall will become uneven or grooves will be formed. When corrosion products and water in the air enter the acid, problems s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D90/00B65D90/48B65D90/32B65D85/84C01B17/76C01B17/80C01B17/56C01B17/74
CPCB65D90/00B65D85/84B65D90/32B65D90/48C01B17/56C01B17/74C01B17/76C01B17/80
Inventor 张明朗谈正奎徐开明彭晖
Owner 江苏庆峰工程集团有限公司
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