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Seamus Ryan Sand & Gravel

Ireland
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CDE washing plant increased the value of final products by 50%.

Tonnage

300tph

Material

Sand & Gravel

Output

3 x aggregates: 20mm, 10mm and 6mm chips | 2 x sands: concrete sand and building sand

End Use
Concrete Production

Feed Material at Seamus Ryan Sand & Gravel

THE CHALLENGE

Seamus Ryan Sand & Gravel quarry is located in Co. Tipperary, outside Toomyvara – a small village on the N7 between Roscrea and Nenagh – and has been in operation since 1999.

Up until the installation of the CDE plant, the company was dry screening all 25mm down material at the site, but had grown unhappy with the final price its products were commanding which was being impaired by excess fines. Both of these factors combined were reducing the sell price of the company’s products quite significantly. 

The decision to introduce the washing plant came after several discussions with CDE about the added value that a CDE washing plant could bring.

Sand Washing Plant at Seamus Ryan Sand & Gravel

THE SOLUTION

CDE’s considerable experience working with difficult materials and successfully adding value was key to CDE being selected.

The plant installed by CDE has a capacity of 300 tons per hour and processes -25mm material. The equipment supplied includes a 55 tonne feed hopper with combined 25m inclined conveyor. This conveyor feeds a large triple deck rinsing screen from CDE’s ProGrade range. The product output from this screen is 3 sizes of chips: 6-10mm, 10-20mm and +20mm – which are discharged into concrete bays. The -6mm material is sent to one of CDE’s

EvoWashTM dual sand plants and produces concrete sand and building sand. The sand plant removes all the -63 micron material and this is sent to the AquaCycleTM thickener along with the waste water. The sludge from the thickener tank is then pumped to ponds, while the clean water is recycled back to the washing plant, significantly reducing the requirement for fresh water to feed the system.

“When I looked in detail at the additional margin I could get for the final products by installing a more effective processing system, it dealt with any concerns that I had about the size of the initial capital investment.”
Seamus Ryan, Owner, Seamus Ryan Sand & Gravel

Clean Sand Stockpiles at Seamus Ryan Sand & Gravel

THE RESULTS

Since commissioning of the CDE washing plant, Seamus Ryan has seen a 50% increase in the value of the products he has available to sell. This is a result of the higher specification of the material being produced as a result of CDE’s washing technologies being introduced to the site.

All 5 products produced by now are of a superior quality to those products of the previous dry screening operation. The use of high specification components on all of CDE’s equipment is the first stage of this process but this is supported by a continuing focus on innovation and improvement of the current systems.

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