Automatic Suction Type Self-Cleaning Filter

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Category: Self Cleaning Filters

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HC Flourish Industry Group Co.,Ltd.

Zhejiang, China

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The electric suction filter is mainly composed of the cylinder (carbon steel epoxy spraying or stainless steel), stainless steel wedge net, suction scanner, blowdown valve, differential pressure controller, automatic control box, etc
The water first passes through the coarse filter screen to filter out the impurities with large particles.
The coarse filter screen is designed to protect the cleaning mechanism from the damage of large particle impurities, and it does not play a filtering role.
Then reach the fine filter screen, install a suction scanner in the fine filter screen, the motor drives the suction scanner to make a spiral movement, and install a blowdown valve on the end cover in the filter.
As the impurity layer is accumulated on the inner side of the fine filter screen, during cleaning, the motor drives the suction scanner to sweep through the inner surface of the fine filter screen, absorb the dirt and impurities, and discharge the filter through the blowdown valve.
There is no need to cut off the flow during cleaning

Equipment features:

1. The filter can be installed vertically and horizontally. If a large flow is required, multiple single machines can be connected in parallel.
2. The equipment has a compact structure, is firm and reliable, has mechatronics control, and no manual intervention is required.
3. During recoil, the pressure drop is small, the recoil water consumption is small, the water source is saved, the required water pressure is low, and the normal water supply is not affected.
4. Stainless steel wedge screen, filtering sharp impurities without blockage, high filtering precision, and high strength, suitable for all kinds of water quality.
principle and function:

When the water flows out of the filter, the filter screen gradually accumulates the dirt and impurities in the water, forms the filter cake, and gradually accumulates on the inner surface of the filter screen, resulting in the water pressure difference between the inlet and outlet pipes.
When the pressure difference of the filter reaches the preset value of 0.05Mpa, the pressure difference controller transmits the signal to the automatic control box, and the automatic control system enters the backwashing procedure.
When the blowdown valve is opened, the automatic cleaning cycle will begin.
A strong suction force similar to vacuum negative pressure formed by the pressure drop between the filter internal pressure and atmospheric pressure will be generated between the filter screen, the sewage suction pipe and the sewage suction chamber through the suction scanner to form a sewage suction process.
There is a continuous flow of clean water supply. At the same time, the motor drives the cleaning mechanism (stainless steel, polytetrafluoroethylene, and nylon) to make axial spiral movement around the filter screen.
The combination of axial movement and rotary movement of the suction scanner can completely clean the inner surface of the whole filter screen, but does not contact the filter screen. The whole flushing process takes about 40 seconds to 120 seconds.
The blowdown valve is closed at the end of the cleaning. The equipment automatically returns to the full filtration state, and the filter starts to wait for the next flushing cycle. According to the requirements for water quality, the suction type has a variety of filtration accuracy (10-3000 microns).
The automatic controller of the self-cleaning filter is a programmable PLC controller.
It has the functions of man-machine face-to-face control, Chinese programming, and Chinese display.
The filter is equipped with a differential pressure controller and a system integrated controller.
The recoil time can be preset by the integrated controller. The controller has manual, differential pressure, and time-synchronous control. No matter which program reaches the set point, it can start the cleaning program or select continuous cleaning operation.
It can display the operation status of the equipment online and reserve the output interface to realize the remote monitoring function.
It also has overload protection, and there is a warning signal or corresponding action in case of failure.
Therefore, it is very convenient to use.

                                                            Equipment interface
                                                            dn50-dn450 (customized according to customers)
                                                        
                                                            Working pressure
                                                            0.25-1.6mpa
                                                        
                                                            Maximum operating temperature
                                                            70 ℃
                                                        
                                                            Filtering accuracy
                                                            10-3000 microns.
                                                        
                                                            Control mode
                                                            manual, differential pressure and time
                                                        
                                                            Cleaning time
                                                            40-120 seconds
                                                        
                                                            Speed of cleaning mechanism
                                                            14-20rpm
                                                        
                                                            Cleaning pressure loss
                                                            0.01-0.08mpa
                                                        
                                                            Cleaning method
                                                            sucking scanning cleaning
                                                        
                                                            Working voltage
                                                            AC three-phase 380V, 50Hz
                                                        
                                                            Control voltage
                                                            AC 220V
                                                        
                                                            Liquid crystal display
                                                            humanized design and convenient operation

It is suitable for various filtering places.
At the same time, it can be manufactured according to different needs in industrial applications and can meet the requirements of high temperature and high pressure.
The filter can be used in parallel to treat any large flow of water.
Filtration of source water
Cooling water
Reclaimed water
White water
Side filtered water
Circulating water
Chilled water in various industries such as metallurgy, petrochemical, electric power, municipal administration, plastics, sugar-making, air conditioning, HVAC, seawater desalination, papermaking, sewage treatment, food, mining, water plant, drinking water, and irrigation.

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