High performance tower for picking off ammonia nitrogen

Abstract

The invention relates to a deammonia-nitrogen tower for processing industrial ammonia nitrogen waste water. It consists of tower, waste water entrance pipe fixed on the tower, processed water exit pipe, air charging pipe and spreading pipe. In the tower, there is liquid distribution pipe, anti-foaming unit, tower plate and air distribution unit arranged from above to below, the liquid distribution pipe and waste water entrance pipe are connected, the air distrbution unit is connected with air charging pipe, the processed water exit pipe is fixed on bottom sealing block of the tower, the spreading pipe is fixed on top sealing block. By the invention deammonia-nitrogen tower, high-density ammonia nitrogen waste water that density is more than 5000mg / L can be disposable deammonia and denitrogen to reach national discharging standard.

Description

Technical field [0001] The invention relates to a treatment device for industrial wastewater, in particular to a tower device for treating industrial ammonia nitrogen wastewater. Background technique [0002] Nitrogen is a nutrient in water, but when the concentration of ammonia nitrogen in water increases, it will cause eutrophic pollution of water, and the consequence is that aquatic organisms grow wildly, and after death, they are decomposed by microorganisms and consume a large amount of oxygen, thus causing serious water shortage. Oxygen will cause a large number of aquatic organisms to die, and the decayed dead body will lead to a large number of anaerobic microorganisms, which will eventually make the water turbid and foul, causing serious water pollution. The state stipulates that the ammonia nitrogen content in the discharged wastewater should not exceed 25mg / L. [0003] Coking, chemical fertilizer, oil refining, chemical and other enterprises are major dischargers...

AI Technical Summary

Problems solved by technology

[0007] The further development process has encountered serious difficulties. The removal of ammonia nitrogen requires sufficient aeration. However, the above-mentioned denitrification agents will generate a large amount of foam during aeration. These foams thickly cover the surface of the wastewater, so that the reaction products cannot be removed in time. The chemical reaction cannot be carried out thoroughly, which not only seriously affects the denitrification effect, but also makes the wastewater treatment process difficult to operate normally

In addition, there needs to be a long enough residence time in the process of wastewater treatment, and no back-mixing can occur during the residence period, otherwise the quality of the effluent cannot be guaranteed.

After we have tested a variety of wastewater treatment equipment, they are far from the test results of the small test, and cannot be scaled up for industrial application

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