Compaction Modules
SMG’s compaction modules provide a unique and cost-effective solution to extract additional liquid from the dry element discharged by non-compaction separator & dewatering equipment.
These modules can be supplied, integrated with most of our non-compaction equipment and machinery range, or designed as a supplementary addition to pre-existing SMG equipment and other systems.
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What they do
High level separation and dewatering
Non-compaction equipment achieves high throughputs by subjecting input products to a large sieve screen surface area.
In contrast to compaction methods relying on mechanical force for liquid extraction, non-compaction systems predominantly rely on gravity.
With no applied pressure, a significantly reduced number of smaller solid particles smaller than the sieve screen gap pass through, remaining instead on the screen surface alongside the dry elements.
These advantages position non-compaction equipment as an ideal first-stage process to extract most of the liquid, with a compaction module as a second stage that will further reduce moisture content, effectively dewatering and separating high throughputs to a high level.
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More information
How it works
Compaction chamber
The standard design utilizes an open-housed U or V-shaped auger featuring a shafted screw, functioning as the collection point to transport the discharged dry element to the inline compaction chamber.
This chamber works on the same principle as a screw press, incorporating a cylindrical sieve screen that envelops the shafted screw.
Upon entry, the pitch of the screw’s flight/spiral progressively tightens towards the chamber’s discharge, generating the essential force to squeeze out extra liquid through the screen.
SMG Industries
How it works
Two sieve screen types
Based on the characteristics of the input dry product and the desired level of dewatering, we provide two sieve screen options:
- Wedge wire, commonly used for high-level sieving, aims to leave as much solid matter in the dry element as possible. They are well-suited for situations where the input material is relatively clean.
- Punch plate is recommended for processing dirtier input materials that could damage the less robust wedge wire screens under the compaction force.
How it works
Specification
Several factors, including the throughput and characteristics of the input dry product and the desired dewatering level, will influence various aspects of the system.
These include:
- Inlet collection point – physical shape and sizes
- Auger flight/screw – diameter and pitch
- Compaction chamber – length
- Outlet – type
- Module – power requirement
How it works
Limitations
The dry discharge product entering these modules originates from non-compaction equipment, restricting the applicable input products to generally include low-dry matter, slurry/sludge types, etc.
Additionally, compaction equipment cannot process incompressible products such as wet aggregates, shellfish/shells, etc.
In specific applications, although these modules might not produce the compaction force comparable to that of a screw press, they do offer a superb and budget-friendly alternative.
