Elevated water tank

An elevated water tank, also known as an elevated water storage tank or high-level water tank, is a water storage facility designed specifically for use in high-rise and super-high-rise buildings, usually installed on the top of a building or other high-rise location. One of the main purposes of this design is to use gravity to provide water pressure, thereby ensuring the water supply inside the building and continuing to provide water in the event of a power outage.

Defining Features

Structure and Location

Elevated water tanks are named because they are installed high up in a building, which allows the tank to use its height to generate enough water pressure to meet the water needs of each floor in the building. In some cases, they may be placed on a tower or structure built specifically for them.

Material and Durability

Elevated water tanks are usually made of durable materials such as steel or fiberglass, which can not only withstand the weight of the water tank itself, but also the weight of the water stored inside, and have good corrosion resistance and leak-proof properties.

Working Principle

The working principle of elevated water tanks relies on gravity. When water enters the water tank, the water level rises, and the resulting water pressure is sufficient to supply water to various water points in the building. As water is consumed inside the building, the water level in the water tank will drop. At this time, water is refilled into the water tank through water pumps and other equipment to maintain the water level and water pressure in the water tank.

Functional Advantages

Provide stable water pressure: The elevated water tank uses the natural water pressure provided by its height to ensure that all water points in the building can be supplied with a continuous and stable water pressure.

Energy saving: By using gravity instead of additional water pumps to transport water, energy consumption can be saved.

Easy to maintain: Compared with complex water supply systems, elevated water tanks are generally simpler and maintenance and cleaning are relatively easy.

Installation and design

The installation and maintenance of elevated water tanks need to be carried out by professionals to ensure their safe and reliable operation. In addition, the capacity and design of the water tank need to be customized according to the specific water demand and required water pressure of the building. For example, the volume of the water tank needs to be considered during design, which usually depends on the maximum daily water consumption of the building. When the data is insufficient, the volume may be determined according to 20% to 25% of the maximum daily water consumption of the building.

Safety and Compliance

When designing and installing elevated water tanks, relevant building standards and specifications must be followed to ensure that they can not only meet daily use needs, but also cope with emergencies such as natural disasters such as earthquakes.

As an important part of modern urban infrastructure, elevated water tanks play a vital role in ensuring the stability and safety of urban water supply systems. They not only help balance the water pressure in the water supply network, but also enhance the reliability of the water supply system to a certain extent.