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Aluminum Centrifugal Filter

Aluminum centrifugal filter separates the substances according to the difference in density between the substances.
It separates the liquid and solid phases by utilizing the characteristic that the wire drawing oil internal impurities will disseminate under the action of centrifugal force.
It can improve the quality of the oil, greatly extend the service life of the wire drawing oil and save oil consumption.


Aluminum powder will be generated during drawing because of the friction between aluminum wire and dies while the wire or cable conductor drawing process and will exist in drawing emulsion. The powder will increase viscosity of drawing emulsion and raise the temperature of drawing emulsion, thus reducing the quality of the drawing emulsion. The drawing emulsion containing more aluminum powder also easily causes the aluminum wire to break and the surface is not smooth during the drawing process, which not only causes the surface of the wire to lose its brightness, but also affects the performance of the wire.

Removing aluminum powder from drawing emulsion will reduce emulsion viscosity, so the aluminum will go through the dies with good lubricating. It’s very necessary to remove aluminum powder from drawing emulsion.

The aluminum centrifuge filter from us is a special equipment for separating the drawing emulsion and aluminum powder in the drawing process. The centrifugal force of the liquid is used to disperse the impurities to the surroundings, so that the drawing emulsion is separated from the aluminum powder. The rotating speed of the separator is as high as several thousand revolutions per minute. Under the action of strong centrifugal force, all the residual impurities, aluminum powder, sludge, carbon black, colloid, mixed metal particles and so on are separated.

The treated emulsion can keep the content of aluminum powder less than 0.3% and the viscosity of the drawing emulsion in a reasonable range.

The aluminum centrifugal filterfrom us has two types (manual one and full-automatic one) with various models, which guarantee you to improve working efficiency, improve wire drawing production process, improve the qualification rate of the drawing products, save power, etc.

Equipment Characteristics

2.1 Simple structure, easy maintenance and long service life;

2.2 Improving the quality of the drawing emulsion, greatly extend the life of the drawing emulsion, and save the consumption of the drawing emulsion;

2.3 No wearing parts and consumables, spare parts need to be replaced; high separation accuracy and wide separation range, it can greatly reduce the maintenance cost;

2.4 It will not block the filter material that cause flow reduction, pressure difference rise, filter element replacement and other maintenance;

2.5 No complicated processes such as heating, stirring, standing, cleaning the aluminum drawing machine emulsion tank, etc;

2.6 Wide range of processing emulsion, separation accuracy up to 10 μm, impurity removal rate> 98.7%. 

Equipment Structure Description

3.1.1 Manual centrifugal filter

The manual centrifugal filter only relies on the pressure of the oil pump to provide the rotational driving force, and the centrifugal force generated is more than 1,800 times the gravity, which can directly drive the solid pollutants such as aluminum powder, impurities, particles and the like from the drawing emulsion.

The whole machine adopts adjustable working pressure, which is composed of centrifuge, oil pump, electrical, instrument and other parts.

The solid frame structure forms an integrated machine, and the universal four-wheel brake can ensure the safe operation of the equipment within the range of 0.5m2.

The working noise of this equipment can be as low as 80dB and the filtering accuracy can reach 10μm. According to the aluminum powder content concentration of the customer's drawing emulsion pool, the amount of aluminum powder separated per hour ranges from 0.5kg to 8kg, the degree of drying varies from 90% to 98%, and the emulsion content is less than 0.5%.

The whole machine has the function of overpressure, overload shutdown protection. When the operating pressure of the equipment is too high, it will automatically depressurize and shutdown. The operation only needs to click the switch, which makes it more convenient to use.

3.1.2 Main features:

Double spray structure, floating rotor body, self-lubricating structure, no abrasion and wearing parts;

Large dirty hold ability, small footprint, space saving, flexible movement and convenient maintenance;

Only the pressure generated by the oil pump is required to provide driving force, low energy consumption, maintenance-free, no need to replace any parts, rapid processing, etc.

3.2.1 Full-automatic centrifugal filter

The full-automatic centrifuge is a top-end equipment for aluminum powder processing of aluminum wire drawing machine. It has stronger centrifugal force to separate aluminum powder from the drawing emulsion.

The emulsion to be processed is sprayed into the rotary tank of the centrifugal filter from the bottom of the rotary body through an auxiliary pump. Under the high-speed rotation of the emulsion in the cylinder, the aluminum powder is separated from the emulsion and adsorbed on the rotor barrel wall. The separated emulsion overflows from the top of the rotating body, flows back to the drawing emulsion through the direction of the preset separation tank pool. 

After the rotor cylinder has condensed certain aluminum powder and impurities, the equipment automatically reduces the rotor speed, automatically shuts off the emulsion and waits until the rotating body is completely stopped. The automatic slag removal function is activated to open the slag discharge opening, and the built-in scraper of the drive motor is activated to clean the aluminum powder. The scraper will rotate in order, rotating the coulter repeatedly and scraping out the aluminum powder cake. Under the action of gravity, aluminum powder falls from the slag discharge port into a collecting barrel below the equipment.

This machine adopts intermittent working mode. When the aluminum powder is separated, the emulsion pump works and the cleaning stops. During the cleaning operation, the aluminum powder and the emulsion pump stop working.

3.2.2 Main features:

The whole series adopts Siemens and Schneider CPU, frequency converter, touch screen, motor and other main components, and the whole machine runs stably, reliably and efficiently;

Solid one-piece frame welding and assembly process, more solid durability, ensure the whole machine working life longer;

The design is novel, the added structure is reasonable, the system runs stably and reliably, high intelligence, the automatic slag removing and oil discharging is realized, the manpower and material resources are greatly saved;

The automatic operation only needs to click the start and stop buttons to complete the operation. The system is equipped with manual / automatic switch, which can be set at any time in 24 hours, and 100% humanized operation;

No consumables, no maintenance, meet strict environmental requirements.

Main Technical Parameters

The main technical parameters of our aluminum centrifugal filter are as follows:


Manual centrifugal filter

Full-automatic centrifugal filter





Flow (L/h)





Rorating speed (rpm)





Dirty hold ability (cm3)





Total power






Inlet / outlet pipe diameter (mm)





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