Full-automatic seawater and fresh water combined type marine pressure water tank system

Abstract

The invention discloses a full-automatic seawater and fresh water combined type marine pressure water tank system. The system comprises a seawater cabinet, a fresh water cabinet, an electric control box, a first water pump, a second water pump, a third water pump, a first floating ball liquid level controller, a second floating ball liquid level controller, a third floating ball liquid level controller, a fourth floating ball liquid level controller and a first pressure controller, a second pressure controller, a third pressure controller, a fourth pressure controller, a seawater cabinet inflation electromagnetic valve, a fresh water cabinet inflation electromagnetic valve, a seawater cabinet pressure relief electromagnetic valve, a fresh water cabinet pressure relief electromagnetic valve, a seawater cabinet standby water inlet electromagnetic valve, a fresh water cabinet standby water inlet electromagnetic valve and the like. The system of the invention is simple and convenient to operate; a full-automatic mode and a manual mode are provided, so that automatic or manual water replenishing, air replenishing and pressure relief can be realized when power is provided; and pressure relief and air supply can be completed manually when power is not provided.

Description

technical field [0001] The invention relates to the technical field of water supply, in particular to a fully automatic seawater and freshwater combined marine pressure water tank system. Background technique [0002] A pressure tank is a closed container. When more water is supplied to the pump than is used, the excess water enters the tank. In all types of modern ships, the pressure water tank is one of the important water supply equipment, which provides pressure water for the domestic water, technical water and other pipeline systems required by the ship. Generally, ships will be equipped with several pressure water tanks according to the needs to meet the needs of different purposes, but some ships with relatively small installation space will use combined sea and fresh water pressure water tanks, which can greatly reduce the space required for installation. When in use, the stored fresh water and sea water (or river water) are extracted separately, and are supplied t...

AI Technical Summary

Problems solved by technology

Sometimes seawater tanks or freshwater tanks need to be emptied. However, when the pressure of the traditional combined seawater and freshwater tanks is reduced to zero by the drain valve at the bottom of the seawater tanks or freshwater tanks, a negative pressure is formed in the water tanks, resulting in water Cannot drain, requires disassembly of top fittings to get drain back to normal

This not only violates safe operation regulations, but also easily damages the sealing of accessories or interfaces, thereby accelerating the loss of air in the cabinet

[0006] 4. Sea and fresh water combined pressure water tanks are equipped with three water pumps, one sea water pump, one fresh water pump, and one backup pump. In the traditional seawater and freshwater combined pressure water tank, this operation is completely done manually, and it cannot be automatically switched to the standby pump in time to continue water supply when the seawater pump or freshwater pump is overloaded. Open the corresponding standby water inlet valve to supply water normally. If the sea water pump and the fresh water pump are damaged at the same time, the standby pump can only supply water to one of the water tanks, and the other water tank needs to be turned on after the previous water tank reaches the water pressure. The water supply can only be continued after manually switching the control direction of the backup valve and the backup pump. If both water tanks are using a large amount of water at this time, the personnel must be on duty all the time, and the control direction of the backup pump needs to be switched continuously, which not only greatly reduces the water supply efficiency but also greatly increased the workload of the crew

[0007] 5. There are many types of faults in the combined seawater and freshwater pressure water tanks. The traditional combined seawater and freshwater pressure water tanks have incomplete alarm points, fuzzy alarms, and weak prompting, so that the crew cannot find the fault in time and accurately judge the fault point, and when a fault occurs, they cannot Quickly and effectively shut down the control circuit, easily lead to secondary damage

[0008] 6. The inside of the traditional sea and fresh water combined water tank is coated with epoxy resin anti-corrosion layer to enhance the corrosion resistance of the water tank body, but it leads to direct contact between the paint and domestic water or even drinking water, and harmful substances such as formaldehyde in the paint are harmful to the environment. Drinking water or domestic water will cause pollution, and long-term use will affect the health of the crew

Images