Processing device for by-product hydrochloric acid of industrial potassium sulfate

A technology for by-producing hydrochloric acid and processing equipment, which is applied in the fields of halogen/halogen acid, chlorine/hydrogen chloride purification, inorganic chemistry, etc., can solve the problems of yellowing color, restriction on the use of hydrochloric acid, etc., and achieves low processing cost, low investment, and high yield. Effect

Pending Publication Date: 2019-02-05
济宁亿佳环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The industrial by-product hydrochloric acid has a yellow color because it contains iron ions. Generally, the iron ion content is about 50 ppm-200 ppm, and the free chlorine is about 200 ppm. In addition, the use of hydrochloric acid is restricted due to the presence of sulfate and sulfite.

Method used

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  • Processing device for by-product hydrochloric acid of industrial potassium sulfate

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Comparison scheme
Effect test

Embodiment 1

[0020] A kind of treatment equipment of industrial potassium sulfate by-product hydrochloric acid, comprises filter 1 and resin column, and described resin column comprises first resin column 2, second resin column 3 and the 3rd resin column 4, and one end of filter 1 and inlet The air pipe is connected, the other end of the filter 1 is connected with the first resin column 2, the other end of the first resin column 2 is connected with the second resin column 3, and the second resin column 3 is connected with the third resin column 4, The other end of the third resin column 4 communicates with the finished product outlet and the sampling port respectively. A flow meter 5 is arranged between the third resin column 4 and the finished product outlet, which is convenient for controlling output. The filter 1 adopts a bag filter, which is small in size, easy and flexible in operation, energy-saving and strong in applicability. The first resin column 2 and the second resin column 3 ...

Embodiment 2

[0022] A kind of treatment equipment of industrial potassium sulfate by-product hydrochloric acid, comprises filter 1 and resin column, and described resin column comprises first resin column 2, second resin column 3 and the 3rd resin column 4, and one end of filter 1 and inlet The air pipe is connected, the other end of the filter 1 is connected with the first resin column 2, the other end of the first resin column 2 is connected with the second resin column 3, and the second resin column 3 is connected with the third resin column 4, The other end of the third resin column 4 communicates with the finished product outlet and the sampling port respectively. A graphite condenser is installed between the filter and the first resin column. A graphite condenser is installed between the filter 1 and the first resin column 2 to lower the temperature of the gas to facilitate the next step. Cyclone dust removal equipment is installed between the graphite condenser and the first resin ...

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Abstract

The invention discloses a processing device for by-product hydrochloric acid of industrial potassium sulfate. The processing device comprises a filter and resin columns. The resin columns comprise a first resin column, a second resin column and a third resin column. One end of the filter is communicated with an air inlet pipe, and the other end of the filter is communicated with the first resin column. The other end of the first resin column is communicated with the second resin column. The second resin column is communicated with the third resin column. The other end of the third resin columnis respectively communicated with a finished product outlet and a sampling port. The processing device is rational in design, and simple in structure, and capable of removing iron ions from a by-product of the industrial potassium sulfate, enabling the hydrochloric acid with a yellowing color to become colorless hydrochloric acid, enabling iron ion content of the processed hydrochloric acid to reach a national superior product standard, and enabling free chlorine to reach a national top-quality product standard. The appearance of the processed hydrochloric acid is colorless and transparent, the processing cost is low, and a purpose of low investment and high yield is achieved.

Description

technical field [0001] The invention relates to the industrial field, in particular to a treatment equipment for industrial potassium sulfate by-product hydrochloric acid. Background technique [0002] Industry mainly refers to the industry or engineering of raw material collection and product processing and manufacturing. Industry is an important part of the secondary industry and is mainly divided into two categories: light industry and heavy industry. Potassium sulfate manufacturing industry is one of them. [0003] Potassium sulfate refers to an important chlorine-free potassium fertilizer containing sulfur and potassium elements, with a general content of 50% to 52%, and an S content of about 18%. Pure potassium sulfate is a colorless crystal, and the appearance of agricultural potassium sulfate is mostly light yellow. Potassium sulfate has low hygroscopicity, is not easy to agglomerate, has good physical properties, and is convenient to apply. It is a very good water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B7/07
CPCC01B7/0706
Inventor 马忠斌
Owner 济宁亿佳环保科技有限公司
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