Swimming pool sand tank is a device used for filtering and purifying water quality, with optional surface materials such as fiberglass and stainless steel. There are evenly distributed water distributors inside, filled with quartz sand as filter material.

During filtration, the water flow passes through the filter material in a laminar state, and impurities are intercepted by quartz sand and other materials. At the bottom of the filter, there is an octopus, also known as a water collector, which collects the filtered water and guides it out through a pipeline, returning it to the swimming pool. Advection filtration can enable the filter to filter at high flow rates and still achieve good filtering results.

Introduction to Sand Cylinder Circulating Filtration Equipment:
The filtration system consists of standard unit sand tanks, and the filtration flow rate can be increased from 30.6 cubic meters per hour to 2500 cubic meters per hour.

Characteristics of Sand Cylinder Circulation Equipment:

1. Automatic backwashing: The backwashing of this device is automatically recognized and controlled by an intelligent control system, without the need for manual intervention. Even if there are fluctuations in suspended solids in the water, the device may automatically adapt.

2. Continuous water supply; When the device is backwashed, the filtration process is carried out simultaneously, and the system continues to supply water as usual.

3. Adopting unique fabric and water collection devices

The sand cylinder circulation filtration equipment, due to its unique water distribution system and evenly distributed water collectors, results in a layered flow of water throughout the entire filtration process. The filtering sand bed surface remains flat throughout the filtration process, ensuring stable effluent quality.

4. Use refined and optimized quartz sand or garnet as the filtering medium

The sand cylinder circulation filtration equipment is selected according to the water quality, and the homogeneous filter material with a particle size of 0.16mm can be used

5. Low long-term operating costs, energy-saving, water-saving, and maintenance expenses.

Advantages of Sand Cylinder Circulation Equipment:

Energy saving: The spherical shallow medium filtration system has a unique automatic backwash valve. The backwash of the sand filtration tank is not carried out simultaneously, but is alternately backwashed one by one under normal system operation, without the need to consider setting up a backwash water pump. Compared with other sand filtration equipment, the required head of the filtration water pump is 6-7m lower.

Water saving: Due to its unique water replenishing and collecting devices, as well as a standardized tank body, the system can effectively backwash the medium layer without the need for compressed air. The water used for backwashing is filtered clean water, so the amount of backwashing water consumed is small. The backwash water volume of a single tank is only 1m3/min, and the backwash time is 2-3 minutes.

Save maintenance costs: The entire system does not have mechanical or electric valves, and relies solely on a unique multifunctional valve to control the system's backwashing. Due to its unique multifunctional valve, which has no wear and tear, a long lifespan, and no damage records within 10 years, the management cost is low.

Packaging: Wooden crate packaging.

After sales service: The warranty period is one year, and the equipment is provided with paid technical support and maintenance for life.