The invention discloses a marine closed cooling water system chemical dosing device and a chemical dosing method.The marine closed cooling water system chemical dosing device comprises a chemical dosing device body, a chemical dosing valve, a ventilation valve, a water supplementing valve, a release valve and a chemical outlet valve, the chemical dosing valve, the ventilation valve and the water supplementing valve are arranged at the top of the chemical dosing device body, and the release valve and the chemical outlet valve are arranged at the bottom of the chemical dosing device body; a ventilation bent pipe is mounted on the ventilation valve, a water replenishing pipeline is mounted on the water replenishing valve, a discharge pipeline is connected to the discharge valve and led to the water falling opening, a chemical feeding pipeline is connected to the chemical outlet valve, and the water outlet end of the chemical feeding pipeline is connected between a stop valve on the cooling water main pipeline and an inlet of the cooling water pump. The pressure at the chemical injection port is controlled by adjusting the valve opening degree of the valve at the inlet of the cooling water pump, chemical can be continuously injected during chemical dosing, after chemical dosing work is completed, the chemical dosing valve is closed, the water supplementing valve is opened, and the interior of the chemical dosing tank is flushed; and the requirements of different ship types on dosing of the cooling water system can be well met.
本发明公开了一种船用闭式冷却水系统投药装置及投药方法,所述装置包括投药装置,设置在投药装置顶部的投药阀、透气阀和补水阀,以及设置在投药装置底部的泄放阀和药剂出口阀,所述投药阀上安装有投药漏斗,透气阀上安装有透气弯管,补水阀上安装有补水管路,泄放阀上连接有泄放管路,泄放管路引至落水口,药剂出口阀上连接有投药管路,投药管路的出水端接至冷却水主管路上截止阀与冷却水泵的进口之间。本发明通过冷却水泵的进口处阀门的阀门开度的调节来控制药剂注入口处的压力,使投药时药剂可以持续注入,待完成投药工作后,关闭投药阀和打开补水阀进行投药罐体内部的冲洗,能够较好地适应不同的船型对冷却水系统进行投药的要求。
Chemical dosing device and chemical dosing method for marine closed cooling water system
一种船用闭式冷却水系统投药装置及投药方法
2023-05-26
Patent
Electronic Resource
Chinese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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