Self-cleaning Filter

Water Filter / Self-Cleaning Filter

Model:

From LFZ-250-50 to LFZ-1200-700

Tank Size(mm):

φ273*1200 - φ1200*2800

Inlet & Outlet:

DN25 - DN700

Flow Rate(m³/h):

50 - 2300

Working Pressure:

≤1.0 Mpa

Tank Material:

Carbon steel, stainless steel

Filtration Rating:

50μm - 5000μm

Filter Type:

Vertical, horizontal, multi-column, Y-shaped, sucking type, etc.

CONSULTATION/MESSAGE

Introduction

The automatic self-cleaning filter is a precision device that uses a filter screen to directly intercept impurities in the water to purify the water quality and protect the normal operation of other equipment in the system. Water enters the self-cleaning filter body from the water inlet. Because of the intelligent (PLC, PAC) design, the system can automatically identify the degree of impurity deposition and send a signal to the drain valve to automatically drain the filter. The automatic self-cleaning filter overcomes many shortcomings of traditional filtration products such as small dirt holding capacity, easy to be blocked by dirt, the filter part needs to be disassembled and cleaned, and the filter status cannot be monitored. It can filter raw water and automatically clean and discharge the filter element. function. Moreover, the system provides uninterrupted water supply during cleaning and sewage discharge, and can monitor the working status of the filter, with a high degree of automation. Covering various filtration precision requirements from 50um to 5000um, we provide customers with various water filtration equipment.

Features

1. Simple design structure.
2. Short back-cleaning time, large flow rate, and small pressure loss (≤ 0.018MPa).
3. Self-cleaning control methods are divided into pressure difference, time and manual.
4. The filter can be connected to the DCS system.
5. High-precision filtration, stable effluent quality, and sewage water consumption <1%.
6. No need to replace the filter screen.
7. Long service life.
8. Applicable to different raw water quality and water requirements.
9. Few wearing parts, no consumables, low operating costs, and simple operation and management.
10. Automatic backwashing and continuous flow.

Structure & Drawing

Application

Raw water treatment
Cooling water treatment
Paper industry
Textile industry
Power industry
Agricultural irrigation

Product Range

Vertical Self-cleaning Filter Features Side water inlet
Side water outlet
Bottom sewage discharge

Application: Metallurgy: continuous casting water, high-pressure phosphorus removal water, purification water, cooling water full filtration, side filtration, nozzle protection, etc.
Electric power: turbine cooling water filtration, wet electrostatic precipitator circulation gray water filtration, dust nozzle protection, cooling tower water full filtration and side filtration
Agriculture: sprinkler irrigation, drip irrigation water treatment

Horizontal Self-cleaning Filter Features Bottom water inlet
Bottom water outlet
Side sewage discharge
Application:Steel, Petroleum, Chemical Industry, Electronics, Textile, Papermaking, Food, Pharmaceutical, Automobile Industry, etc.

Multi-column Self-cleaning Filter There are multiple filter cartridges inside Features Bottom water inlet
Side water outlet
Bottom sewage discharge
Application: Metallurgical industry: filtering particulate impurities in water systems such as heavy metal scrap cleaning and recycling washing water, cooling circulating water, condensate water, etc., and protecting nozzles and water pumps.
Chemical and petrochemical industries: filter impurity particles in brine, industrial water, and circulating cooling water systems, and purify chemical media.
Power plants and thermal power plants: filter impurity particles in wet electrostatic precipitator sprays, spray circulation gray water, condensate water, and desulfurization wastewater systems, purify water quality, and protect nozzles and water pumps.
Oilfield wastewater: Filter suspended solids in oilfield wastewater to ensure the quality of return water.

Model Inlet & Outlet Tank size(mm) Pressure(Mpa) Motor Power(Kw) Flow rate(m³/h) Micron
LFS-300-150 DN150 φ325*2200 1.0 0.37 200 ≥50μm
LFS-400-200 DN200 φ426*2300 1.0 0.37 300 ≥100μm
LFS-480-250 DN250 φ480*2350 1.0 0.37 450 ≥100μm
LFS-600-300 DN300 φ600*2500 1.0 0.75 700 ≥200μm
LFZ-700-350 DN350 φ700*2600 1.0 0.75 900 ≥300μm
LFZ-800-350 DN400 φ800*2600 1.0 0.75 1200 ≥300μm
LFZ-900-400 DN450 φ900*2800 1.0 0.75 1500 ≥500μm
LFZ-1000-450 DN500 φ1000*3000 1.0 1.5 2000 ≥1000μm
LFZ-1100-600 DN600 φ1100*3200 1.0 1.5 2500 ≥1000μm
LFZ-1200-700 DN700 φ1200*3500 1.0 1.5 3500 ≥1500μm

Suction Self-cleaning Filter Structure
1. Water inlet
2. Coarse filter
3. Fine filter
4. Backwash valve
5. Backwash chamber
6. Sewage suction pipe
7. Suction nozzle
8. Electric motor
9. Emergency backwash valve
10. Water outlet
Application: Cooling towers
Supplementary water systems
Air conditioning systems
DC system water filtration
Raw water filtration
Seawater
Groundwater filtration
Industrial circulating water filtration
Agricultural irrigation
Paper industry water filtration

Model Inlet & Outlet Filter area Flow rate ΦD1 ΦD2 L L1 L2 L3 H
inch mm cm² m³/h inch inch mm mm mm mm mm
LF-903PR 3 80 3220 50 10 4 450 1135 1955 2295 630
LF-904PR 4 100 4500 100 12 4 600 1330 2150 2650 680
LF-906PR 6 150 6330 200 16 4 750 1540 2360 3430 760
LF-908PR 8 200 7030 350 18 4 750 1540 2360 3430 810
LF-910PR 10 250 8970 500 18 4 900 1800 2620 4070 810
LF-912PR 12 300 10920 600 18 4 1100 2170 2990 4680 810
LF-914PR 14 350 11760 1000 24 4 900 1800 2620 3950 960
LF-916PR 16 400 14310 1200 24 4 1100 2170 2990 4680 960
LF-916XLR 16 400 17020 1500 24 4 1270 2720 3220 5430 920

Date Sheets

Model Inlet & Outlet Tank size(mm) Pressure(Mpa) Motor power(Kw) Flow rate(m³/h) Micron
LFZ-250-50 DN25-DN50 φ273*1000 1.0 0.18 50 ≥50μm
LFZ-300-100 DN80-DN100 φ325*1200 1.0 0.37 100 ≥100μm
LFZ-400-150 DN150 φ426*1300 1.0 0.37 200 ≥200μm
LFZ-480-200 DN200 φ480*1550 1.0 0.37 300 ≥300μm
LFZ-530-250 DN250 φ530*1650 1.0 0.75 450 ≥300μm
LFZ-600-300 DN300 φ600*1750 1.0 0.75 550 ≥300μm
LFZ-700-350 DN350 φ700*2000 1.0 0.75 700 ≥500μm
LFZ-800-400 DN400 φ800*2150 1.0 0.75 1000 ≥800μm
LFZ-900-450 DN450 φ900*2300 1.0 0.75 1200 ≥1000μm
LFZ-1000-500 DN500 φ1000*2500 1.0 0.75 1500 ≥1500μm
LFZ-1100-600 DN600 φ1100*2600 1.0 1.5 1800 ≥3000μm
LFZ-1200-700 DN700 φ1200*2800 1.0 1.5 2300 ≥3000μm

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