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Guide to the Proper Selection and Sizing of Industrial Lump Breakers

Delumper Crushers

DELUMPER® Lump Breakers are machines that use impact, shear, compression or abrasion to reduce a variety of solid products to a desired particle size range. DELUMPER lump breakers are crushers specifically built by Franklin Miller Inc. that are versatile, high-end industrial crushers designed for processing such materials as chemicals, minerals, food, food ingredients, pharmaceuticals, grain, fertilizer, coal, soap and more.
DELUMPER crushers are used to reduce materials for further processing, eliminate blockages, break agglomerates down to their original particle size, and help in discharging bins and silos. They are also used to improve material flow properties and feeding of bulk and powders. The Pipeline model DELUMPER is used to enhance liquid flow, protect pumps, and enhance and expedite dissolving and mixing processes. Our line of crushers can reduce hard or soft, dry or wet, friable or sticky materials. The units are built for applications requiring precise outputs, superior fit and finish, resistance to corrosion or contamination, severe operating conditions, and applications requiring a high level of reliability. The feed material (material being fed into the crusher) can be a solid, lump, chunk or agglomerate.

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Guide to Selecting Industrial Shredders

Taskmaster shredder group

Franklin Miller manufactures a wide variety of industrial shredders. Our versatile shredders can handle a wide variety of materials including plastic, wood, fiberglass and many many more. Our shredding experts can help you select the right shredder for your application.
Type of Material to be Processed
Different types of shredders excel at processing specific materials. Tree branches are typically shredded using a high-speed chipper. Plastics are most often processed in a granulator (rotary knife cutter) however; bulky plastic shapes are often put into a shredder as a first stage before granulating. When planning to shred cars, this type of application is typically accomplished using a hammermill. Although, processing a variety of waste materials may require versatility with a minimal amount of noise and dust, then a twin shaft shredder can be the optimal solution.

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Impact of Wipes on Pipes

Wipes Clog

Blockages often occur in residential and municipal sewer systems from accumulation of disposable wipes in wastewater treatment systems. The pipes, pumps and other equipment that process flushable waste in wastewater treatment systems are often not capable of handling such waste.

Disposable wipes have a variety of different uses – from sanitary cleansing to make-up removal. The appeal of disposable wipes is that they are easy to dispose of and are often now being labeled as “flushable.” There is an active debate and now many lawsuits surrounding whether or not wipes branded as “flushable” are able to biodegrade quick enough to run efficiently through sewerage systems. Several studies over the past several years have provided evidence to suggest that wipes branded as “flushable” are clogging wastewater systems.

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Size Reduction Paradox

Size Reduction Paradox square

Literature on size reduction is plentiful and several useful “laws” are available, but a` single generally acceptable theory has not been formulated. The frame-work is complex and promises to be more complex in the future.

We are told that size reduction equipment is grossly inefficient, theoretically, and that less than 2% of the energy supplied appears as increased surface energy in the solids. Are there thermodynamic or other reasons for this? If the figure is accurate, then, can revolutionary types of equipment be designed? At least one author thinks not (16).

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Grinders, Shredders and Comminutors – An Evolving Technology


Comminution technology has been evolving quite rapidly in response to the increasing burden entrained solids have placed on treatment facilities. More advanced devices have been developed in rapid succession. The result has been an exciting and fluid race between the leading manufacturers to develop the best size reduction device. The latest grinder innovations to be introduced have coupled the power of twin shaft grinding with higher flow capabilities and screw screening systems. Here’s a rundown on the past and present state of the art in wastewater solids reduction.

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The Selection & Use of Sludge Muncher Grinders & Wastewater Munchers

Sludge grinders are inline processors that play an important role in the successful operation of wastewater treatment plants by reducing oversized solids that can causing jamming and damage to pumps and process equipment. Franklin Miller grinders are known for their heavy-duty capabilities and innovative designs with models available for a variety of application requirements.

Sludge processing is often the most costly, capital intensive and operationally difficult part of the treatment process. Sludge can be difficult to Super Shredder Corningprocess and is made more so by the inclusion of foreign solids.

Pumps, centrifuges, belt filter presses, nozzles, trickling filters and digestors are all subject to frequent maintenance problems and downtime – even where there is fine screening at the headworks.

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Septage Receiving Challenges & Solutions

Septage receiving can be tough on a treatment plant’s operation. Septage is 6 to 80 times more concentrated than municipal wastewater. It typically also contains significant levels of grease, scum, grit, rocks, rags, hair, plastics and other debris. If not treated properly, these solids can disrupt the treatment process. Many plants started receiving septage by simply allowing haulers to dump in a manhole upstream of the plant headworks, often with just a coarse manual bar rake for protection from heavy debris. This solution proved maintenance intensive. Plant biological processes can be disrupted by sudden surging of highly concentrated organics. The solids loading on the plant could cause significant ragging and subsequent downtime of pumps and other downstream equipment. The current challenge for many municipalities is to create enough septage disposal capacity to meet more stringent EPA regulations while not overtaxing their treatment processes.

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