The water in the high water tank of the original residential building must ensure the water storage for fire fighting, so a domestic water outlet pipe is installed near the middle of the high water tank. The water above the middle of the high water tank can be used as domestic water, while the water below the middle of the high water tank can be discharged by the fire water outlet pipe located at the bottom of the water tank. Since fire water is only used in case of fire, this part of fire water may not be used for many years. If the fluidity of the water is poor, the difficult part of the fire water stored will corrupt in the water tank, thus affecting the water quality of the whole water tank, which is very harmful to the health of the residents who drink the water. But up to now, there is no new high-level water tank to prevent water corruption.
The high-level water tank with a water valve can not corrupt water, but also store fire water.
The high water tank with a water valve is implemented as follows: The outlet of the domestic water pipe of the high water tank is moved from the middle to the bottom of the original water tank, and a floating ball water control valve is installed at the outlet of the domestic water pipe in the water tank. Use this floating controlled water valve
to maintain the required storage of fire water and domestic water in the tank. Because the outlet pipe of domestic water is located at the bottom of the water tank, the water in the water tank can always keep normal flow, making the water become live water in the water tank. Therefore, this floating ball water control valve is called a live water valve in this utility model. The utility model is composed of a float ball, a fixed orifice plate, a guide plate, a guide rod, a wire rope, a water stop capsule and a pipe connecting piece.
When installed, the lowest floating water level of the float ball should be in the middle of the high water tank. When the storage water level reaches the middle of the water tank, the rubber sealing capsule will close the outlet of domestic water. Therefore, the water pumped into the tank, that is, the water beyond the middle of the tank, can be used as domestic water storage. The water in the lower half of the water tank below the middle of the water tank can always be retained as fire water storage.
When in use, the tap water is pumped into the upper intake pipe of the high-level water tank, the floating ball in the middle of the water tank rises with the rise of the water surface until the water supply stops when the tap water overflows from the overflow pipe, and the water in the high-level water tank is fully stored. When the user continuously uses water, the water level in the water tank drops continuously until the middle of the water tank. At this time, the float drops until the outlet of domestic water is closed, then the water in the water tank stops entering the domestic water pipeline. At this time, the automatic pumping device of the water tank will automatically pump water into the water tank to refill the water tank. In this way, the first half of the water tank is dedicated to daily use instead of using the second half of the water tank to store water. When fire water is needed at any time, the fire water outlet at the bottom of the water tank can be opened, and the water stored below the middle of the water tank can be exported through the fire water outlet pipeline, so that all the water stored in the water tank can be used for fire control.
The use of high-level water tank with live water valve has realized the goal that all water storage in high-level water tank can be updated regularly and the fire water storage with half-water tank can be maintained all the time.