Strong brine treatment system

Abstract

The invention relates to the technical field of coal chemical strong brine treatment and in particular to a strong brine treatment system which comprises a desalting integral device and a sterilization device, wherein the desalting integral device comprises a shell and a partition plate which is arranged in the shell and is used for partitioning the shell into a precipitation zone and an evaporation dialysis zone; through holes are formed in the partition plate; a guide tube is arranged at the bottom of the shell; the outlet of the guide tube is positioned in the precipitation zone; an anode plate and a cathode plate are oppositely arranged on the inner wall of the shell and in the evaporation dialysis zone; a plurality of anion exchange membranes and cation exchange membranes are sequentially arranged between the anode plate and the cathode plate; fresh water chambers or concentrated water chambers are formed between the cation exchange membranes and adjacent anion exchange membranesthereof; the partition plate is internally provided with heating resistance wires; a plurality of condensing plates are additionally arranged above the area of the anion exchange membrane and the cation exchange membranes; the plurality of the condensing plates form waveforms; the highest points of the waveforms are positioned above the concentrated water chambers; the lowest points of the waveforms are positioned above the fresh water chambers. The strong brine treatment system has the characteristics that strong brine treatment procedures can be simplified, and treatment energy consumption can be reduced.

Description

technical field [0001] The invention relates to the technical field of concentrated brine treatment in coal chemical industry, in particular to a concentrated brine treatment system. Background technique [0002] my country's current energy situation is that natural gas and oil resources are relatively scarce. However, with the increase of population and the improvement of people's living standards, my country's energy demand is increasing day by day. In this case, the coal chemical industry has developed rapidly, which has led to the continuous growth of the coal chemical industry and the increase of high-salt wastewater from the coal chemical industry. High-salt wastewater refers to wastewater with a total salt content of at least 1%. Among them, high-concentration salt wastewater in the coal chemical industry mainly comes from gas washing wastewater in the production process, drainage from circulating water systems, and drainage from chemical water stations. High salt c...

AI Technical Summary

Problems solved by technology

High-salt wastewater refers to wastewater with a total salt content of at least 1%. Among them, high-concentration salt wastewater in the coal chemical industry mainly comes from gas washing wastewater in the production process, drainage from circulating water systems, and drainage from chemical water stations. High salt content, mostly Cl-, SO 4 2- 、Na + The pollutants are mainly total salt content (TDS). The density of this high-salt wastewater is high, and the activated sludge is easy to float and lose, which seriously affects the purification effect of the biological treatment system.

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