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Case Histories : Size Reduction


Ajax Lumpbreaker Puts the Bite on Agrochemicals
By David Owen
Feb 21, 2011
  E-mail article
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  .
Bolton, UK -- Ajax Equipment has supplied Kemfine UK Ltd with a lumpbreaker to assist with the production of agrochemicals at the company's Grangemouth site. The high capacity lumpbreaker is being used to break up ammonium acetate blocks for charging a chemical reactor.

Mounted on top of the reactor feed, the stainless steel lumpbreaker is used to gently crush 25kg ammonium acetate blocks, providing a consistent ingredient size without the generation of excessive dust.

The lumpbreaker works by means of a circular shaft and special profiled blades with serrated edges imposing a three-stage action on the lumps, wedging and crushing them against the lumpbreaker's casing and grill, Any residual lumps are forced through the grill by means of the sliding and crushing action of the blade edges.

“We find that during storage the ammonium acetate solidifies into ice-like blocks that are unsuitable for charging the reactor. The challenge was to be able to find a lumpbreaker that would fit into the small space above the reactor. Fortunately Ajax was able to design the lumpbreaker such that it fitted into the tight space without loss of performance. The lumpbreaker has performed well in service,” commented Paul Kiernan, production manager, Kemfine UK Ltd.

Source: http://www.ajax.co.uk/


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