Au-Livic MF modular tubular backwash self-cleaning filter

MF series modular self-cleaning filter (MF filter for short) is an automatic filtering system designed by LIVIC according to the modular design concept. It has high reliability and expansion flexibility. It has the following characteristics: automatic operation, very durable, no manual cleaning, very easy to open and maintain, unique V-SLOT filter element, complete backwashing, and less backwashing liquid. MF filter can purify liquid and protect key downstream equipment. It is designed and manufactured in accordance with LIVIC's high-performance, high-quality, and high-reliability standards, and has world-class quality.

MFR filters and MFV filters are suitable for water and low-viscosity liquids with a filtration degree between 20-500 microns. They are good at filtering microfiber, sludge and soft impurities, which is difficult for ordinary self-cleaning filters. MFT filter and MFG filter are used as manual filters, which are only suitable for liquids with less impurity content and easy to backwash. They are suitable for applications where the frequency of backwashing is low. LIVIC is the world's leading manufacturer of self-cleaning filters, with a full range of self-cleaning filters that can meet customers' various filtering needs.

Tubular filter MF customization options

MF filter provides customized options to better meet customer needs: high temperature resistant design, high temperature resistant seal and fluid control valve, filter element with larger filter area design; sintered multilayer mesh filter element∻ explosion-proof design including valve, control The system filters flammable and explosive liquids. All valves are equipped with position switches to provide error feedback function.

The internal backwash system of the tubular backwash filter:

The flow enters through the bottom inlet header and is evenly distributed through each filter cartridge. Due to the accumulation of contaminants on the external filter screen, the pressure difference increases. Backwashing is typical. The system pressure loss is 10-20 psid. The filter cartridge is taken out of service once by closing the inlet and opening the drain valve, and the clean filtrate flows from the outlet header through the filter barrel to the drain pipe. Each barrel is backwashed for 4-8 seconds. After all barrels are backwashed, the system differential returns to 1-7 psid.

External backwash system of tubular backwash filter:

The operation of this system in filter mode is the same as the internal backwash system. An additional header is added to the top of the device to introduce a secondary source of clean backwash fluid. When the pressure difference reaches 10-20 psid, the filter system must Close and open the drain and backwash supply manifold valve, the external cleaning fluid source flushes the contaminants into the drain pipe, the Rach bucket sequentially backwashes for 4-8 seconds, and the system returns to clean 1-7 psid.

Tubular filter is an automatic filtration system based on a modular design concept. It has high reliability and expansion flexibility. We can increase or decrease the filter unit according to low or high flow and low or high impurity content to complete the whole system. It has the following characteristics: automatic operation, very durable, no manual cleaning, very easy to open and maintain, unique V-SLOT filter element, complete backwashing, and less backwashing liquid. This filter can purify liquids and protect key downstream equipment. It is designed and manufactured in accordance with high-performance, high-quality, and high-reliability standards, and has world-class quality.

There are two models of this filter for you to choose, because two backwash water sources are used, one is internal backwash, which removes the filter cake through the filtered clean water countercurrent; the other is external backwash, which passes through the external channel Clean water or clean air to remove the filter cake. Although each modular filter is manufactured to meet specific application requirements, they all have common characteristics.

Each unit is installed on a common header to provide continuous flow during the backwashing process, a separate modular self-cleaning filter uses permanent, reusable filter elements and the four found in in-line filters Part-ring caps, O-ring seals and element centering pins.

A variety of options can be specified, including different sealing materials, manual backwashing or automatic backwashing (by clock or pressure difference), which can be linked to the PLC

Before or after the pump

0-250 C (determined by the seal)

Number of filter modules per system

Filter module inlet and outlet valve size

DN50, the maximum flow rate is 25m3/h; DN65, the maximum flow rate is 42m3/h

Filter area of ​​a single filter module

C type, 2670 c 銕, K type, 3760 c 銕

Main inlet and outlet pipe size

Main inlet and outlet flange type

Overlap flange, hot-dip galvanized flange

Standard for main inlet and outlet flanges

HG20592-2009 (standard, compatible with DIN) HG20615-2009 (compatible with ANSI B16.5)

Filter element type and material

V-SLOT slotted metal filter element, material 304/316L

Pneumatic ball valve, protection class IP65, valve seat material PTFE

220V AC, 0.4-0.6 MPa clean and dry compressed air

Siemens PLC, working voltage 24V, control box protection grade IP55

DP switch (standard) or DP transmitter

鈻Applicable industries: raw water treatment, water treatment system, cooling system, power generation, steel mill, pulp and paper, mining, petrochemical, municipal facilities, etc.

Applicable liquid types: raw water, process water, pure white water, ultra-purified water, circulating cooling water, high-pressure spray water, low-pressure spray water, sealing water, jet cutting water, etc. Diesel, gasoline and other raw material oil, naphtha, residual oil; hot-rolling coolant or cold-rolling coolant in steel mills

The entire system only needs an additional filter module as a backup, with low failure risk and low investment cost

The filter module can be switched off-line and manually cleaned one by one without interruption of filtration.

It only takes 5 seconds to open the lid of the filter module. It is very easy to pull out the filter element, and the operating cost is low.

It is the best solution when filtering some difficult impurities and manual cleaning is required on a regular basis

The backwash is switched through the valve, there is no complicated mechanical structure, and it is very easy to maintain.

Backwash continuous filtration, no system downtime and downtime cost.

Modular combination, easy to expand, increase the flow rate by adding multiple filter modules

The V-SLOT slotted filter element is used in the 鈻, which is easy to clean thoroughly, extremely durable, and has a long service life.

The MFV filter is suitable for backwashing and filtering of external fluids with extremely low inlet pressure or in front of the pump.

Modular combination of high-quality ball valve, instrument and control system, high reliability

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