Efficient combined treatment system by aiming at high ammonia-nitrogen raw water

Abstract

The invention discloses an efficient combined treatment system by aiming at high ammonia-nitrogen raw water. The treatment system is connected with the raw water, and comprises a biological filter pool unit, an inclined pipe precipitation unit, a carbon sand filter pool unit and an ultrafiltration membrane unit in sequential communication, wherein the biological filter pool unit communicates with the raw water; the inclined pipe precipitation unit, the carbon sand filter pool unit and the ultrafiltration membrane unit communicate with a clean water pool through pipelines, and the communication is controlled by a valve; the biological filter pool unit is provided with an aeration device; a coagulant adding device is arranged in front of the inclined pipe precipitation unit; an ozone adding device is arranged in front of the carbon sand filter pool unit. The combined treatment system provided by the invention uses biological filtering, inclined pipe precipitation, ozone-carbon sand filtering and ultrafiltration membrane treatment technologies as core processes, so that the synergistic effect is effectively achieved; the obvious advantages of improving the producing water quality, saving the land, saving the medicament and the like are realized; the efficient combined treatment system is particularly suitable for the treatment of high ammonia-nitrogen raw water difficult to treat by a conventional technology.

Description

technical field [0001] The invention belongs to the field of water supply engineering, and relates to a high-efficiency water treatment device, specifically, to a high-efficiency combination of biological filter, inclined tube sedimentation, carbon sand filter and ultrafiltration membrane unit for the water quality characteristics of high ammonia nitrogen raw water processing system. Background technique [0002] According to relevant reports, ammonia nitrogen in water mainly comes from domestic sewage, industrial waste and chemical fertilizers. With the rapid development of industrialization and urbanization in our country, the excessive phenomenon of ammonia nitrogen in surface water frequently occurs. Due to the nitrification of ammonia, high concentrations of ammonia nitrogen in tap water may produce carcinogenic nitrite nitrates that threaten health, and raw water with high ammonia nitrogen will consume a large amount of disinfectant dosage. Therefore, my country's la...

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Problems solved by technology

[0005] The purpose of the present invention is to form a high-efficiency combined treatment system for raw water with high ammonia nitrogen, which is suitable for slightly polluted water sources with high raw water turbidity and ammonia nitrogen, and the construction land is relatively tight, so as to effectively solve the problems that cannot be solved by conventional treatment devices. technical challenge

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