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E-mail
shldgl@163.com
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Phone
17321354635
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Address
No. 678 Guangda Road, Qingcun Town, Fengxian District, Shanghai
Shanghai Luda Filtration Equipment Co., Ltd
shldgl@163.com
17321354635
No. 678 Guangda Road, Qingcun Town, Fengxian District, Shanghai
Multi core fully automatic backwash filterStructure: Multi core backwash filter is an intensive type of filter, which mainly consists of a host housing, an electric motor, a reducer, a differential pressure controller, a photoelectric controller, a logo programmable controller, an electric control box, an electromagnetic valve or pneumatic valve, a fine filter element, supporting components, backwash arm, etc. Multiple filter cartridges are installed inside one filter cartridge, with a compact structure. Mainly used for purifying water, especially in the field of microfiltration with high water quality requirements, the main function of oilfield reinjection water filtration equipment is to remove sediment, clay, rust, suspended solids, algae, biofouling, corrosion products, macromolecular bacteria, organic matter, and other small particles, oil and other impurities in water, achieving the goal of water purification.
Product advantages and uses:
During the process of liquid flowing from the inside to the outside of the filter, solid particles are trapped inside the filter. With the increase of pollutants, the pressure difference between the polluted side and the clean side of the filter gradually increases. When the pressure difference reaches the set value, the pressure difference gauge sends a signal and the filter starts automatic backwashing. It is suitable for filtering particle magazines of high flow, high speed, and low viscosity fluids, and is widely used in metallurgy, chemical industry, power, oilfield reinjection water, environmental water/cooling water circulation and other fields.
Automatic backwash process:
1. The deceleration motor drives the flushing arm to rotate through the intermediate shaft, and the rotation angle of the flushing arm is controlled by the photoelectric positioning switch to align with the cleaned filter screen;
2. Open the drain valve to create a pressure difference between the outside (clean side) of the cleaned filter and the drain;
3. Under the action of pressure difference, the cleaning side liquid flows from the outside to the inside of the cleaned filter screen for backwashing. The pollutants accumulated on the inside of the filter screen are washed away and discharged from the filter through the drain outlet;
4. The backwash time for each filter has been set. When the backwash set time is reached, the drain valve closes and the backwash process of the filter ends. The deceleration motor drives the backwash arm to rotate again, backwashing the next (group) filter. The drain valve opens again to backwash each filter in this way;
5. After all the filter screens are cleaned, the flushing arm returns to its original position under the control of the photoelectric switch, and a backwash cycle ends.
Note: Backwash is the process of flushing one filter (group) after another, so during the backwash process, the backwash filter can still maintain the filtering state of the liquid flow.
Multi core fully automatic backwash filterThe selection and classification of main materials, components, structural forms, import and export sizes, temperatures, pressures, etc. are as follows:
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1. Import, 2. Export, 3. Rotary arm, 4. Reduction motor, 5. Positioner, 6. Filter element, 7. Cover plate, 8. Diversion pipe, 9. Cleaning suction nozzle, 10. Discharge outlet, 11. Discharge pipeline, 12. Discharge valve, 13. Unfiltered liquid, 14. Filter out liquid, 15. Execution mechanism, 16. Exhaust port, 17. Support foot | ||
Rotating arm multi-core self-cleaning filterTechnical features:
1. The filtering equipment adoptsThe internal mechanical structure of the technology realizes the true backwash function, which can effectively remove impurities trapped in the filter screen, clean and maintain the flux without attenuation, ensuring the long-term service life of the filtration efficiency.
2. The filtration equipment adopts 304 and 316L stainless steel wedge-shaped filter screens, which have high strength, accurate accuracy, and corrosion resistance. The filtration accuracy can reach 25 microns.
3. The filtering device achieves automatic backwashing through its own retrieval and response functions, which can cope with unstable water quality fluctuations without manual intervention.
4. The filtering equipment has fewer vulnerable parts, no consumables, low operation and maintenance costs, and simple operation and management.
5. The control system of the filtration equipment is sensitive and operates accurately, and can flexibly adjust the backwash pressure difference and time setting value according to different water sources and filtration accuracy.
6. During the backwashing process of the filtration equipment, each (group) filter screen is backwashed sequentially; Ensure the safety and efficient cleaning of the filter screen, while other filters are not affected, continue filtering.
7. The filtering equipment adopts pneumatic drain valves, which have a short backwash time, low backwash water consumption, and are environmentally friendly and economical.
8. The structure design of the filtration equipment is compact and reasonable, with a small footprint and flexible and convenient installation and movement.
9. The filtering device control system adopts an integrated control mode, which can achieve remote control.
XZ seriesRotating arm multi-core self-cleaning filterTechnical Specifications:
model |
A(mm) |
B(mm) |
C(mm) |
D(mm) |
Import and Export Economy (mm) |
Discharge diameter (mm) |
Design flow rate m ³/h |
LDGZ-300 |
1690 |
265 |
640 |
300 |
DN |
DN |
70 |
LDGZ-350 |
1720 |
265 |
660 |
350 |
DN |
DN |
80 |
LDGZ-400 |
1760 |
265 |
680 |
400 |
DN |
DN |
120 |
LDGZ-500 |
1860 |
290 |
715 |
500 |
DN |
DN |
200 |
LDGZ-600 |
1930 |
335 |
755 |
600 |
DN |
DN |
280 |
LDGZ-700 |
2040 |
335 |
755 |
700 |
DN |
DN |
450 |
LDGZ-800 |
2105 |
335 |
770 |
800 |
DN |
DN |
600 |
LDGZ-1000 |
2220 |
335 |
800 |
1000 |
DN |
DN |
800 |
LDGZ-1200 |
2360 |
365 |
825 |
1200 |
DN500 |
DN |
1000 |
*Ideal flow rate (100 μ m): For reference only. The flow rate is affected by liquid viscosity, filtration accuracy, and cleanliness. Please confirm with the filtration engineer at Shanghai Lida. * Maximum working temperature: High temperature resistant sealing rings and sealing mechanisms are required to achieve * Maximum working pressure: This is the standard working pressure. If higher working pressure is required, customization can be made.
Reminder: The above series of products are briefly introduced. Specific selection needs to consider multiple factors comprehensively. Please contact our technical department engineers for professional advice and detailed product information.
Application fields:
Domestic water supply; Production process water supply; Ultrafiltration filtration; Anti penetration; soften; Pre treatment such as ion exchange; Oilfield reinjection water; Circulating cooling water; Reclaimed water; Purification of groundwater and surface water turbidity; Central air conditioning, boiler return water; Landscape water; Municipal administration; Green space spraying; Agricultural sprinkler irrigation; Golf course water filtration.