Nitrogen-filling anti-corrosion system for ship water tank

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Nitrogen-filling anti-corrosion system for ship water tank

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NI JIANFENG / JIN XING / WANG ZHENGFENG / LI WEI

The invention discloses a ship water tank nitrogen charging anti-corrosion system, and relates to the technical field of anti-corrosion, the ship water tank nitrogen charging anti-corrosion system comprises a cabin bottom plate, an air compressor is fixedly mounted at the side end of the top of the cabin bottom plate, the side end of the air compressor is communicated with a compressed air pipeline, a plurality of groups of pressurizing air suction pipes are arranged on the surface of the air compressor, and a mounting frame is fixedly connected to the surface of the top wall of the bottom plate; under the cooperation of a nitrogen collector, a nitrogen generator, a nitrogen buffer tank, a nitrogen aeration head, a three-way adjusting pipe, a nitrogen adjusting conveying pipe and a nitrogen diffusion head, nitrogen and water can be uniformly mixed through a nitrogen-water mixer, and then the mixture is conveyed into a ballast tank through a communicating pipe; the safety problems of explosion and fire danger of the ballast tank caused by excessive reduction of the oxygen concentration are solved, so that the whole device improves the safety of the ship water tank during nitrogen charging corrosion prevention operation, nitrogen is adjusted timely and accurately, errors in the nitrogen corrosion prevention operation process are avoided, and the safety of the ship water tank is improved. And the operation of the whole ship body and the safety of personnel on the ship are harmed.

本发明公开了船舶水舱充氮防腐系统，涉及防腐技术领域，包括船舱底板，船舱底板的顶部侧端紧固安装空压机，空压机的侧端连通有压缩空气管路，空压机的表面上开设有多组增压吸风管，底板的顶壁表面上紧固连接有安装架，通过在氮气收集器、制氮器、氮气缓冲罐、氮气曝气头、三通调节管、氮气调节输送管和氮气扩散头配合下，可以通过氮水混合器，使氮气和水均匀混合，进而通过连通管输送至压载舱内部，来保障过度降低氧气浓度而导致压载舱发生爆炸、火险的安全问题，使得整体装置提高船舶水舱在进行充氮防腐作业时的安全性，及时精确对氮气进行调节，避免氮气防腐作业过程中出现误差，而对整体船体的运行和船上人员的安全性造成危害。