Save to read list Published by Angharad Lock, Digital Assistant Editor World Fertilizer, Monday, 03 April 2017 09:00
Delumper brand 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 lump breakers 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.
Delumper 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. Franklin Miller crushers are available in different models designed for dry, gravity or wet systems. The crushers can be either inline or open, stand-alone and conveyor-fed as part of a full system. These units can be supplied for low or high temperature environments as well as for pressurized or vacuum systems.
Discharging powders and bulk solids from a bin or silo can often present a major problem resulting in lost production and high maintenance costs. Caking and even vessel failures can also result from these flow problems. The problem results when powders are conveyed into the vessel in a two-phase form. The material tends to agglomerate or build up on the vessel walls pack together.
A common solution is the installation of a Delumper Crusher at the discharge. This unit attacks and breaks up the oversized solids that tend to plug the discharge. This works much like a sink disposal keeping the discharge clear of oversized lumps and chunks.
While crushing is governed by basic laws of physics, no single law or rule take the place of experience and testing in the selection and sizing of a suitable crusher for a given application. A number of factors go into the proper selection of a crusher for a given application including the following.
Selection of crusher required a great deal of design based on the mining plan and operation input. Selection of the best primary crusher from all of available primary crushers is a Multi-Criterion Decision Making (MCDM) problem. In this paper, the Analytical Hierarchy Process (AHP) method was used to selection of the best primary crusher for Golegohar Iron Mine in Iran. For this reason, gyratory, double toggle jaw, single toggle jaw, high speed roll crusher, low speed sizer, impactor, hammer mill and feeder breaker crushers were considered as alternatives and capacity, feed size, product size, rock compressive strength, abrasion index and mobility of crusher were considered as criteria. As a result of our study, the gyratory crusher was offered as the best primary crusher for the studied mine.