Automatic ammonia preparation device and method

By connecting the ammonia water storage tank, sealed water tank and ammonia discharging/soluble pump into an automatic ammonia distribution system, and using the liquid level signal transmitter and upper-level machine controller to control the injected amount of ammonia water and desalination water, the problem of unstable ammonia water concentration in the prior art is solved, and the stability of ammonia water concentration and automatic ammonia distribution effect are achieved.

CN119701692APending Publication Date: 2025-03-28JIANGSU NANTONG POWER GENERATION CO LTD
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Patent Information

Application Number
CN202411638936.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing automatic ammonia distribution device manually controls the dosage of liquid ammonia and desalinate, resulting in unstable ammonia concentration, affecting the adjustment effect of the unit's dosage.

Method used

By connecting the ammonia water storage tank, sealed water tank and ammonia discharging/dissolving pump into an automatic ammonia distribution system, the liquid content is detected using the liquid level signal transmitter, and the injection amount of ammonia water and desalinate water is controlled according to the formula by the upper computer controller to produce the required ammonia water concentration.

Benefits of technology

The stability of ammonia water concentration is achieved, and the problem of poor adjustment effect caused by concentration instability is prevented, ensuring the automatic ammonia distribution effect on the unit.

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Abstract

According to the automatic ammonia preparation device and method, an ammonia water storage tank, a sealed water tank and an ammonia unloading / dissolving pump are connected together to form a concentrated ammonia water unloading and automatic ammonia preparation system, and the concentrated ammonia water unloading and automatic ammonia preparation system is made of stainless steel materials in the manufacturing process; liquid level signal transmitters are additionally arranged in the ammonia water storage tank and the sealed water tank respectively, and discharging switches of the ammonia water storage tank and the sealed water tank need to be connected to an upper computer. According to the automatic ammonia preparation device and method, stronger ammonia water is stored through an ammonia water storage tank, demineralized water is stored through a sealed water tank, then different amounts of ammonia water and demineralized water are injected according to liquid level signal emitters in the ammonia water storage tank and the sealed water tank, and the ammonia water and the demineralized water are injected into an ammonia dissolving tank in sequence of demineralized water first and then ammonia water; finally, the mixed liquid is stirred through a stirrer arranged in the ammonia dissolving box, so that automatic blending of the ammonia water is completed.
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