A hydrophore can refer to: Hydrophore (sampling), a scientific instrument for obtaining samples of water from a body of water from any desired depth; Hydrophore (system) [nl]. This new electronically controlled hydrophore system incorporates state of the art frequency drives, pumps and control technology. Why hydrophore system is mandatory onboard? Hope you know that the demand of freshwater is different in different parts of the ship ranging from minimum.

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Have you ever imagined how fresh water is transported to all decks and places on ship? There is a continues use of water on ship from drinking to sanitary purposes. So to reduce unnecessary power consumption and maintenance costs for pumps; hydrophore system are installed on ship. Most of you must be familiar with the water tanks on the top of our sysrem or on street at quite some hight Huh?

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Gravity works as a source to supply water at desired pressure at all points. So we have domestic and drinking fresh water system on board ship which utilize the pressure in hydrophore tanks to supply fresh water. Fresh water from the domestic fresh water tank is pumped to the hydrophore tank through any of the two pumps.

These pumps are controlled by the pressure switches installed on hydrophore tanks. When the pressure inside the hydrophore reduced to a certain value the pump start.

Fresh Water Hydrophore System in Ship

On board ship there is a separate hydrophore tank and supply line for drinking water known as drinking hydrrophore water line. Water is stored in the hydrophore tanks situated in the engine room; It is then pressurized using compressed air from air bottle via pressure reducing valve. An equilibrium is maintained in between the levels hycrophore air and water with air pressure; which helps in transporting water to the top. In case of drinking fresh water system the output from hydrophore tank go through U.

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V sterilizer before consumption. In hydrophore system, a hydrophore pump Centrifugal takes suction from the fresh water tank through tank outlet valve, non-return and pump suction valve. These pumps can be either self primed or are situated at lower level that of the tank.

Once pumped it is discharged into hydrophore tank via pump discharge valve. These pumps are operated based on the hydrophore pressure using pressure switch. This pressure switch on the hydrophore tank contains a below that expands and contract based on hydrophore tank pressure.

It is this device which send signal to selector switch that pass on that signal to continue pumping to the selected pump. You can consider its working sysem to that hydropjore below in your bathroom sink. Once water is pumped in the hydrophore tank to a certain limit; Low pressure compressed air is then introduced from the top at a pressure of hycrophore.

The output from the domestic fresh water hydrophore tank is connected to lines for domestic use, to fuel oil purifier and expansion tank; while the output of drinking fresh water tank to the U. V sterilizer and then to accommodation.

Charging the hydrophore system is a simple process of adding more compressed air to pressurize the hydrophore tank. Generally the hydrophore tank is under hydrophorr mode; which controls the cut-in and cut-out pressure of hydrophore pumps. But to charge the system manually; first open the vent, hydrophlre the pump and watch the level through sight glass.

Close the vent and open the low pressure air supply valve. Quick Charge the hydrophore tank up to it reach 4. Once its hydropohre 4. Avoid overcharging, otherwise air will came out of the taps hydrophode water.

Now transfer the system on auto. Now the pump will cut-in when the pressure reach 4. In small ships or industries with small hydrophore the system may be required to cut in at 2. Make sure the water is always visible through the gauge glass throught the operation.


Marine Pressure Hydrophore Tank

Being under charged is one of the most common problem of hydrophore. This means air is leaking from either; relief valve, isolation valve, air supply valve, sgstem valve or the gauge glass itself.

The situation can be found with no water supply at the accommodation top. Temporarily you can fix this problem by switching pump to manual and drain the excess water or utilizing in engine room. Once the pressure reach 4. But for long term solution you have to apply soap solution on all joints and key leak point. Once leak detected stop and DE-pressurize the system and rectify the fault. This is quite rare but possible problem you may face with hydrophore system. This means there is a leak in air supply line or the valve itself slowly filling tank with more and more air.

The situation can result into no water in hydrophore tank in some cases and thus be reacted quickly with care. At first fix this problem temporarily by crack open the vent valve and letting some air go. Then when the air pressure is 4.

Make sure that the pump cutoff at 5. In long run prepare the system to be DE-pressurize; open air supply valve and overall it. Open your air supply valve and pressurize tank up till shstem. Make sure to watch that the pump cut-in and cutoff at the desired pressure next time. Your email address will not be published. This site uses Akismet to reduce spam. Learn how your comment data is processed. Leave a Comment Cancel reply Your email address will not be published.