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FACILITIES MANAGEMENT


The review of an extraction process involves


several key steps such as particle size analysis, understanding material behaviour, and optimising separation processes. Let us examine them, here.


MAINTENANCE AND THROUGHPUT Factors like product material granulometry, uniformity, mesh aperture size and extraction strength volume all impact the efficiency of extraction for using industrial sieves and separator design. It is also essential to properly maintain the sieve, so the customer can achieve its desired product sieving/separation and required throughput - for instance, a chemical manufacturer may wish to yield one ton of product per batch but is only getting 250 kilograms (kg) per hour due to fine particles pegging the mesh which could be extracted. Companies must also consider potential spark


sources and ensure safe operations using their own internal health and safety procedures and guidelines - including their definition of ATEX zones. Customers may rely upon Gough’s extensive experience over the years in supplying capital equipment solutions, to appreciate a fit for purpose extraction system. Specific industries benefit significantly from


extraction processes using Gough Engineering's solutions. For instance, PQ Corp in the chemicals industry uses a batch sieve with an integrated extraction system for quality screening of silica powder. Food manufacturers Cooke Trading and Charlie


Bigham’s rely on vibratory sieves with integrated extraction to achieve consistent particle sizes in their baking ingredients and minimising dust in the kitchen environment. Gough Engineering continually enhances its


own industrial vibratory sieves and other products by testing materials with various screen apertures to ensure effective particle separation. This involves applying expertise in particle distribution analysis and selecting suitable mesh sizes for optimal performance. Gough Engineering also offers on-site testing facilities and prioritises maintaining customer relationships built on delivering the right solution by use of trials hire and test equipment. For instance, our lab conducted a screening


process using a Gough Vibrecon GVC3/1 machine with a single deck and perforated plate (6mm holes) on a mixture of ash and zinc from a galvanising firm in Cardiff. The company’s aim was to remove the finer zinc particles from the ash to enhance furnace efficiency. The screening process, with a feed material quantity of 21.6 kg, took one minute and 16 seconds. The results revealed a two fraction split: 6.4 kg of oversize particles (28 per cent of total weight) and 15.2 kg of undersize (fine) particles (72 per cent of total weight). Put simply, the screening process exhibited


effective separation with minimal pegging or blocking in the deck holes, indicating successful particle movement. The client was highly satisfied with these findings, which led to an order for a new machine. This example showcases the Gough Vibrecon machine's effectiveness in separating quantities based on particle size, offering improved process efficiency and overall productivity in various industrial applications. Extraction and vibratory sieves are indispensable in industrial processes, ensuring product quality, safety, and efficiency. Gough Engineering's expertise in designing tailored extraction systems addresses diverse industry needs, improving efficiency, product quality, and safety. By deploying leveraging extraction and vibratory sieves, companies can optimise their processes, achieve consistent product quality, ensuring a clean and safer working environment.


Gough Engineering www.goughengineering.com


FACTORY&HANDLINGSOLUTIONS | JULY/AUGUST 2023 39


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