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New Wheelabrator System links Renold to Major Cost Savings

16 June 2008

Renold, the international engineering group and leading manufacturer of Roller Chain, has recently benefited from £33,000 of cost savings per annum through a new installation from Wheelabrator Group.

They currently use a number of Wheelabrator Group vibratory finishing machines from their Walther Trowal range for deburring and finishing Chain Side Plates and Rollers. However, the discharge from these machines includes abrasive media, an industrial liquid cleaning compound and powder degreasant, which Renold was keen to clean and re-use to meet its strict environmental targets.

 

Due to Wheelabrator Group’s commitment to reducing the environmental impact of surface preparation equipment and their dedication to providing quality products and services, they were the first choice of supplier for Renold.

 

Wheelabrator Group evaluated Renold’s needs and after extensive trials they suggested a Centrifugal Recirculatory Process Water System (Walther Trowal ZA06 machine), which can clean effectively up to 2m3 of effluent per hour, removing solids and oils. The process is initially charged with fresh water and a specially formulated Trowal cleaning compound, which are delivered to the machines, used for process operation and returned via a transfer system.

 

Where the parts to be cleaned are particularly contaminated, a powder degreasant can also be added to the mix, but in most cases the re-circulated process liquid alone can meet the desired cleaning requirements. Hence, a complete “ closed loop “ operation takes place.

During operation, a small quantity of a specially formulated powder flocculent is added to the used process liquid to bind and remove oil. The suspended particles of metals, abrasive media and emulsified oil are removed in the centrifuge, where the process liquor is exposed to over 2000g. The process liquor is then passed into the clean water tank from where it is ready for re-use.

 

The installation of the ZA06 machine has afforded Renold massive savings in water usage, where they are now using approximately 3,882 cubic metres less per annum, chemical usage, which has lead to a reduction in site effluent treatment and discharge, as well as costs, with a predicted annual saving of £33,000 based on data from the first three months of use.

 

Chris Rogers, Production Engineer, Renold Chain, said: “The installation of this machine has enabled us to reduce our impact on the environment, as well as allowing us to make significant cost savings, which will increase the sustainability of the business in the long term.

 

“Our previous service from Wheelabrator Group has been excellent and we had no hesitation in going back to them for expert advice in this instance. They efficiently examined the situation and came back with a solution that was capable of handling our needs.”

 

Richard Brent, Technical Sales Manager, Vibro & Air at Wheelabrator Group, said: “At Wheelabrator Group we are committed to providing customers, both existing and new, with solutions to their problems that fit with their current systems and machines. We look closely at how our processes impact on the environment and work with clients to minimise the effects of this – saving both water and chemical usage.”

In addition to fully automatic systems, the range of effluent treatment units available from Wheelabrator Group also includes compact manual units suitable for use with smaller machines and for lighter duties.

 

Specific recommendations and free trials can be arranged by contacting Wheelabrator Group’s Surface Technology Centre.  

 

Wheelabrator Group owns, designs, manufactures and provides wheelblast, airblast and vibratory mass finishing equipment for surface preparation and cleaning, and serves a variety of sectors, including the aerospace and automotive industries. Further information can be found at www.wheelabratorgroup.com

 

For product enquiries or to arrange a visit to Wheelabrator Group’s Surface Technology Centre, please contact: Corinna Teale, sales co-ordinator, Wheelabrator Group, on 0121 326 6481 or uk-info@wheelabratorgroup.co.uk.

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