The screen retains suitable particles while liquid passes through. The scroll advances solids toward discharge. Screen opening and particle behaviour must be evaluated together.

LLWZ: thickening and screening

The thickening screen-scroll arrangement adds a concentrating zone before screened dewatering. Confirm that the feed and the required liquid quality suit this configuration.

Protect product quality

Scroll transport and screen passage can affect crystal damage, solids loss and wear. Representative trials are essential when the fine fraction or attrition matters.

Compare this range

Start with the separation duty.

Series	Technology	Start with the separation duty.
LLW	Screen scroll centrifuge	Relatively coarse, free-draining particles where some mechanical handling of the solids is acceptable.
LLWZ	Thickening screen scroll centrifuge	Duties where preliminary concentration and screen filtration need to be considered together.

Catalogue reference data. Final configuration, capacity and performance depend on the material and agreed operating conditions.

APPLICATION FIT

Shortlist with a clear process basis.

Screen-scroll centrifuges are candidates for suitable crystalline and granular solids. Highly adhesive, very fine or poorly draining solids need a different evaluation; they are not automatically suitable because a required flow rate is low.

Discuss your process

Can the particles be retained by a practical screen opening?

Is the feed continuously available and reasonably consistent?

How much crystal damage and fines loss is acceptable?

What liquid quality, cake moisture and wear life must the trial evaluate?

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Screen-Scroll Centrifuges

Continuous screened dewatering with scroll transport of the solids.