Differential pressure automatic control filter

Product Introduction
The differential pressure automatic control filter determines the working status of the filter based on the pressure difference between the inlet and outlet water, and truly realizes the functions of automatic detection, automatic cleaning, and automatic sewage discharge. Differential pressure automatic control filter is suitable for air conditioning system, cooling water system, industrial water system and domestic water system.
Working principle
The differential pressure automatic control filter mainly includes a shell filter cartridge
(
Filtering dirt
Cleaning mechanism
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Including cleaning Brush and clean the filter
Controller
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Collect and compare pressure difference signals, output control signals
Cleaning motor
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Accept control signals and provide cleaning The power required by the mechanism
Electric valve
(
Accepts the control signal and discharges the dirt
. When working, the water flows through the filter cartridge, and the dirt is intercepted by the filter cartridge. When the dirt When more and more accumulation occurs, the flow area of the filter cartridge becomes smaller and smaller, causing the pressure difference before and after the water flows through the filter cartridge to become larger and larger. This pressure difference is measured by the pressure sensor at the inlet and outlet and fed back to the controller. When When the pressure difference reaches the upper limit of the controller's allowable value (this value is set by the user), it indicates that too much dirt has accumulated in the filter cartridge, affecting the normal flow of water. At this time, the controller outputs a signal to turn on the cleaning motor , drive the cleaning mechanism to operate, brush the filter, and at the same time open the electric drain valve to discharge the dirt. After the dirt is discharged, the filter flow area returns to normal, and the pressure difference before and after the water flows through the filter cartridge decreases. When the pressure difference reaches the allowable value of the controller, When the value reaches the lower limit (the value is set by the user), the controller outputs the corresponding signal, shuts down the cleaning motor, and closes the electric sewage valve. At this point, the differential pressure automatic control filter achieves the water filtration effect and ensures the normal operation of the entire system.
Performance Features
After setting the data once in a fully automatic operation, it can automatically detect the pressure difference between the inlet and outlet, automatically clean the filter, and automatically drain the sewage, truly unattended.
The core component of accuracy and reliability is the differential pressure controller. The imported brand has the advantages of accurate measurement and reliable control, and eliminates the phenomenon of equipment not working or shutting down due to measurement and control errors.
The electric butterfly valve is properly configured and selected as the drain valve to solve the problem of loose valve closing and unstable quality. It can also avoid the impact of excessive system pressure caused by the solenoid valve opening too fast.
The advanced design absorbs Israel's advanced automatic filtration technology and adopts a unique brushing and sucking dual structure, which can completely remove dirt.
The multiple self-protection controller is equipped with working time limit protection. When a malfunction occurs and the filter is clogged with a large number of foreign matter that cannot be removed, resulting in excessive pressure loss and the filter is always in a cleaning and sewage discharge state, the continuous cleaning time is controlled within
minutes. , and alarm.
Elaborate processing, strict quality assurance system, strict organization and careful processing, with leading level quality, service life
More than 10 years. (Different interfaces such as straight-through to the same side and different sides can be manufactured according to user requirements The method can also produce high-precision filter screens according to user requirements)
Technical parameters
Working pressure
Resistance loss
Working temperature
℃
Electricity< br/>Source
Cleaning time
~
Motor power
~
Set pressure difference range
~