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Rotary Lump Breaker Model RDC-1515-SSAbrasion resistant breaking heads on Rotary De-ClumperRotary De-Clumper with  manual feed hopper

DeClumper™ Lump Breakers

Reduce agglomerates and compacted materials to original particle sizes and flowability for downstream processes


● Compact, low-profile design allows inline placement between upstream and downstream equipment

● Available in stand-alone configurations with hopper and stand

● Optional side removal screens and external lubrication eliminate the need to remove unit from in-line hard pipe installations for cleaning or maintenance

● Models with 1 to 4 rotors in sizes from 12 x 12 to 48 x 48 in. (30.5 x 30.5 to 121.9 x 121.9 cm)

● Single 3 hp (2.2 kw) drives to 20+ hp (14.9+ kw) dual redundant drives

● Chain and sprocket drives handle high loads and offer superior durability

● Operates at low RPM for gentle handling with little or no heat generation

● Typical applications: agglomerated and/or hydrolyzed sugars, salts, sodium/calcium carbonates, chemicals, fertilizers, flakes, cement powders, hygroscopic products

Munson's DeClumper™ Lump Breaker reduces compacted, lumpy materials from silos, handheld sacks and bulk bags to their original particle sizes and flowability, suitable for downstream conveying and/or processing.

Its low profile design with identical inlet and outlet flanges, allows inline positioning in restricted spaces between upstream outlets and downstream inlets of process equipment. External lubrication lines, together with side-access screen slots for quick, tool-free removal, cleaning and changing of bed screens, eliminates the need to remove the housing or guarding during routine operation and maintenance.

It features an exceptionally robust housing, abrasion resistant rotor, heavy duty pillow block support bearings and self-lubricating chain and sprocket drives that handle high loads without the slippage, burn-outs and wear associated with belt drives, or the broken gear teeth and motor burn outs of direct-drive units.

The one-piece lump-breaking head is fabricated of abrasion resistant steel as standard, and easily replaced as an integral unit.  Ample space between the dual rotors on dual-drive larger units--or the single rotor and stationary comb on single-drive smaller units--forces lumps against one another without overworking, until material returns to its original particle size as determined by the size of bed screen perforations through which material exits the unit.

In addition to added power and capacity, the dual drives offered on larger machines can operate independently, offering the added advantage of redundancy to prevent mass flows of incoming material from backing up in the event of motor or power failure.

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