Product category:
Industrial Motors
News Release from: Cutler-Hammer
Edited by the Engineeringtalk Editorial
Team on 11 October 2000
Sludge treatment project uses Motor
Control Centre
Cutler-Hammer has announced an order for its F660 Motor Control Centre (MCC) from Purac, the UK's leading provider of water and waste-water treatment, as part of a £320,000 order won by TCS
Cutler-Hammer has announced an order for its F660 Motor Control Centre (MCC) from Purac, the UK's leading provider of water and waste-water treatment, as part of a £320,000 order won by Cutler-Hammer Systems Builder, Technical Control Systems Limited (TCS) Purac has installed the F660 at the West of Scotland Water Authority's new £6 million sludge treatment centre in Cumnock, to provide a powerful motor starting capability for critical monitoring and reliable control
This article was originally published on Engineeringtalk on 5 Mar 2001 at 8.00am (UK)
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This enables the Authority to convert the sludge processed at the centre for beneficial use in agriculture, forestry and land reclamation - complying with the latest EC Directive prohibiting disposal of sewage sludge at sea.
The F660 is installed as a U-shaped panel and incorporates Cutler-Hammer's 'Advantage' range of motor control products, providing a type tested assembly with MCCBs and type two co-ordination.
The system features 42 columns with busbars at 50k for one second and bottom cable access, and is the first MCC centre of its kind to be operated by West of Scotland Water Authority.
Kevin McCreath, Capital Projects Procurement Officer at West of Scotland Water, said: "Our modern water treatment works are multi-stage sophisticated water factories that have to be totally reliable in order to comply with all the UK and EU directives on waste water treatment.
Cutler-Hammer equipment gives us that level of performance and reliability, supporting and integrating with the high levels of new technology and automated supervisory and control systems at the Cumnock centre." The Cutler-Hammer F660 provides motor control for a number of operations at the Cumnock sludge treatment centre, including...
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• Sludge reception and screening for unthickened sludge.
• Sludge thickening.
• Anaerobic digestion with combined heat and power generation.
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• Pathogen reduction and storage tanks.
• Sludge dewatering using centrifuges.
• Sludge liquor treatment by SBR.
• Odour control.
The state-of-the-art sewage treatment plant, under the control of the Cutler-Hammer MCC, will treat 4,675 kg of dry solids a day, and is designed to treat an estimated 1,644 tons of sludge dry solids annually by the year 2011.
It will treat sludge originating in Cumnock and Northern Dumfries and Galloway, with approximately 26 per cent of the sludge solids originating from sewage treated at the existing Cumnock Sewage Treatment Works and the remaining 74 per cent imported as unthickened sludge from other sewage treatment works and local septic tanks in the area.
Cutler-Hammer's Motor Control Centre: Cutler-Hammer's F660 Motor Control Centre is a totally type tested assembly complying with BS EN60 439-1 in conformance with the Low Voltage Directive.
The product is rated from 600 to 4,000 Amps and 25kA for one second, 50kA for one and three seconds, and 80kA for one second.
Sections are available in either fixed or withdrawable construction and standard ingress projection is IP 54 with separation available up to Form Four type seven.
About West of Scotland Water: West of Scotland Water is the sixth largest water and waste-water operation in the UK.
It is one of three water authorities formed in conjunction with the reform of local government in Scotland, and is responsible for the provision of both water and waste-water services to a population of over 2.4 million people in an area of 20,250 square kilometres, which incorporates the industrial heartland of Scotland.
About Purac: Purac, the leading provider of water and waste-water treatment, is a division of Anglian Water International Limited - wholly owned by Anglian Water Technology Group, the UK's premier water services company.
Purac is a specialist process contractor in the water business, with over 3,000 plants in 54 countries worldwide.
Its key skills include process design and project management, and it offers over 35 years of international experience in effective engineering in the water and waste-water business.
About Technical Control Systems: Technical Control Systems (TCS) was established in 1969, and has since established a reputation for its expertise in the design and manufacture of motor control centres, instrumentation panels and distribution centres.
TCS has recently completed a ?1.5 million contract for a Northumbrian Water coastal scheme, comprising 250 columns of MCC, all delivered on time, to a high quality, and on budget.
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