System device for deep sewage treatment through steam stripping deamination

Through the steam stripping deamination deep sewage treatment system, the equipment scaling problem caused by high-concentration ammonia nitrogen wastewater was solved, the efficient removal and resource recovery of ammonia nitrogen was achieved, the operating costs were reduced and the stable operation of the system was ensured.

CN120717544APending Publication Date: 2025-09-30SHANGHAI QINSHI ENVIRONMENT PROTECTION
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Patent Information

Application Number
CN202510914569.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-03
Publication Date
2025-09-30

AI Technical Summary

Technical Problem

High-concentration ammonia nitrogen wastewater can easily cause equipment scaling during the treatment process, affecting the stable operation and energy consumption of the system. At the same time, the ammonia nitrogen is not completely removed, increasing operating costs.

Method used

A stripping deamination deep wastewater treatment system is adopted, including pretreatment, preheating, stripping deamination and ammonia recovery units. Through indirect heat exchange and central control system, efficient deamination and recovery of ammonia nitrogen resources are achieved, equipment scaling is avoided, and odor treatment is carried out.

Benefits of technology

Effectively remove ammonia nitrogen from water, reduce operating costs, ensure long-term stable operation of the system, and achieve efficient energy utilization and environmentally friendly treatment.

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Abstract

The invention discloses a steam stripping deamination deep sewage treatment system device, which belongs to the technical field of sewage treatment, and comprises a pretreatment unit, a preheating unit, a steam stripping deamination unit, an ammonia gas recovery unit and a central control system electrically connected with each unit, the pretreatment unit comprises a pretreatment pool in which a pH online monitoring probe is arranged, the pretreatment pool is used for receiving raw water, the pretreatment pool is connected with an alkali liquor storage tank, a dosing pump and an automatic dosing system, and the downstream of the pretreatment pool is connected with a water inlet adjusting tank; the preheating unit comprises an indirect heat exchanger and a raw water delivery pump, and three fluid channels are arranged in the indirect heat exchanger and are respectively used for circulating low-temperature raw water pumped by the raw water delivery pump, high-temperature deamination effluent of the steam stripping deamination tower and soft water circulating in the middle soft water circulating loop. According to the invention, heat energy can be efficiently recovered, the scaling problem can be solved, the operation cost is reduced, the treatment efficiency is improved, and the long-term stable operation of the system is ensured.
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