Product category:
Powder and Solids Handling
News Release from: Spiroflow | Subject: bulk bag discharging / conveying system
Edited by the Processingtalk Editorial
Team on 30 November 2005
Silica sand discharging system improves
output
A 'Spiroflow' bulk bag silica sand discharging and conveying system has significantly increased output at Carroll and Meynell, a leading manufacturer of electrical transformers
A 'Spiroflow' bulk bag discharging and conveying system has significantly increased output at Carroll and Meynell, a leading manufacturer of electrical transformers Carroll and Meynell moved to new premises 5 years ago to accommodate considerable growth in their business
This article was originally published on Processingtalk on 19 May 2008 at 8.00am (UK)
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Further, recent growth has caused them to re-think their production methods.
The handling of the fine silica sand used to 'pot' transformers was a major production line bottleneck.
Previously, silica sand was received in 25kg bags each of which had to be emptied into a hopper at ground level.
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The hopper was lifted on to a platform by a fork lift truck to provide a head of sand for filling around the winding within the transformer casings.
Control of the sand was by hand-operated ball valves.
These valves stuck open from time to time! All in all, it was a time consuming and very messy process given that Carroll and Meynell are using around one and a quarter tonnes of sand a day! Carroll and Meynell concluded that the optimum solution was to receive their dry sand in sealed 1 tonne bulk bags (FIBCs), to mechanically convey it up to small holding hoppers above each of 2 production lines and to have a more reliable flow control valve at the end of the sand delivery tubes.
Spiroflow was identified as a potential supplier of screw conveyors via the internet.
A meeting convinced Carroll and Meynell that Spiroflow could take care of the whole system.
Besides being a manufacturer of the flexible screw conveyors Spiroflow produce one of the most comprehensive ranges of bulk bag dischargers in the business.
A previous Spiroflow installation handling silica sand for potting electrical fuses served as an appropriate reference.
This, together with, the obvious expertise of the Spiroflow engineers, convinced Carroll and Meynell to place an order for the complete silica sand handling system with Spiroflow.
The installation has been in operation for many months now and has literally transformed the output of the 110 volt transformers produced for the construction industry.
Production is now up to 6,000 units a month - several times more than before.
Carroll and Meynell engineers installed the system and, being electrical engineering specialists, they manufactured the controls system to the Spiroflow specification.
As Director, Bob Carroll, concludes, "We started to get cold feet about doing the installation ourselves having manufactured the supports to drawings provided by Spiroflow - but it was so easy to install.
It was spot on, it all slotted together well! It has been doing a sterling job ever since and has eliminated both the bottleneck and the housekeeping problems on our production line".
For full details of Spiroflow products visit their web site, or phone to discuss your specific requirements. Request a free brochure from Spiroflow ...
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