The high-precision core-type fully automatic backwash filter is an efficient and advanced filtration equipment widely used in various fields requiring high-precision filtration. Below is a detailed introduction to it:
I. Working Principle
The working principle of the high-precision core-type fully automatic backwash filter is as follows: The water (medium) containing target suspended particles to be filtered enters the backwash filter through the inlet, and is distributed into each filter cartridge through the inlet chamber. The target suspended particles larger than the required filtration precision are retained on the inner surface of the filter cartridge, while the qualified water that meets the requirements passes through the filter layer of the filter cartridge, collects in the outlet chamber between the upper and lower baffles, and flows out through the outlet of the cylinder. As the filtration time extends, the filter cartridges gradually become clogged, resulting in a gradual increase in the pressure difference between the inside and outside of the filter cartridges. When the set filtration time or pressure difference value is reached, the controller issues a backwash instruction, controls the opening and closing of the drain valve, and uses the system's own pressure to achieve individual backwashing of the filter cartridges within the filter, discharging the retained substances of the filter cartridges outside the filter, thereby restoring the filter function of the filter cartridges to their initial intact state.
II. Characteristics
High Filtration Precision: The filter cartridges are made of high-strength special materials (such as 316L stainless steel or 2057 duplex steel sintered mesh) to ensure filtration precision at the micrometer level, effectively removing tiny particles and impurities in the water.
High Automation: Fully automatic operation, requiring no manual intervention. When the filter cartridges become clogged, the system will automatically initiate the backwash program to restore the filter function of the filter cartridges.
Large Processing Capacity: The number of filter cartridges can be increased at any time according to process requirements to meet greater processing capacity demands.
Energy-saving and Environmentally Friendly: The backwash process consumes little water, and the filter cartridges are renewable with a long service life, reducing operational costs and environmental burdens.
Compact Structure: Small in size, occupying little space, easy to install, and flange-connected to piping without other auxiliary equipment.
Wide Application Range: Widely applicable in water treatment, metallurgy, petroleum, chemicals, power, light industry, food, pharmaceuticals, textiles, papermaking, and other industries, especially commonly used in situations requiring the recycling of production water.
III. Installation and Maintenance
Installation: The equipment should be installed in a bypass configuration to allow for maintenance and repairs without stopping the machine. At the same time, it should be installed horizontally or vertically according to site conditions and ensure connection to the piping according to the inlet and outlet directions.
Maintenance: Regularly check the operating status of the equipment, including the clogging of the filter cartridges and the effect of backwashing. If necessary, replace or clean the filter cartridges promptly.
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