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Weir Bulletin 15
Customer Focus
GEHO end
users meet
in China
Weir Minerals hosted the first Chinese GEHO
end user meeting in Beihai, Guangxi Province
in China, during October 2009.
The China based GEHO team provided
sessions on technical aspects, reliability of
pumps, parts order processing and service
capabilities. The presentation on Weir
Minerals Netherlands service level
arrangements stimulated a lot of interest,
with over 60 Chinese attendees, representing
end users and sponsor companies.
The milling process at Escondida
The general manager of Da-hong-shan, a
GEHO triplex piston diaphragm pumps
customer, presented their advanced pump World class
maintenance system and remote monitoring
technology. All attendees agreed that the
meeting was very beneficial. improvements
Escondida is a copper, gold A combination of the magnitude of castings and
Pump solution for
and silver mine located growth in Chilean, Russian, American and
open pit quarry
3000 metres above sea level in the arid desert of Canadian markets, led to a bespoke horizontal/
northern Chile. The world’s largest copper open vertical boring machine being installed at the
pit mine is capable of producing over 1.2 million Todmorden facility. This large machining centre
tons of copper per year, where a sulphide has significantly reduced machining time and
concentrator utilises crushing, grinding and overall product lead times.
flotation circuits. The grinding circuit is at the core Machine Tool Promotions in Africa designed
of the process and is the most abrasive customer and manufactured the boring machine to Weir
critical application that equipment can encounter. specifications. It can be operated singly or as two
Weir Minerals products, such as mill linings, machines on smaller components, increasing the
slurry pumps, hydrocyclones and slurry valves, machine shop capacity at Todmorden.
have allowed the customer to achieve the highest Bill Mannion, manufacturing operations
grade and lowest cost per tonne. manager and project manager said “We have
Carrières du Boulonnais is the largest open pit Due to the size of the product a Weir Warman adopted existing lean methods for small volute
quarry within a solitary site in France, 750 UK-SHD pump was assembled on site at the liners and applied them to the largest we produce
producing aggregates and cement for mine, prior to installation within the grinding mill up to 13 tonne castings. We now have firm
industry and engineering. In addition to this, circuit. The volute liners for the pump are control over the overall manufacturing process and
the quarry generates limestone, sand, fine manufactured at the Weir Minerals UK facility in as a result, we have a world class machining
gravel and gravel to protect shorelines. The Todmorden in the north west of England. facility.”
quarry, a key business in the industry,
facilitates sales to the building and civil
engineering sector.
At over 70 metres deep from the minerals
processing unit, rain and infiltration water
LISCO project powers ahead
accumulating in the quarry is collected using
submersible pumps. The water is drawn from Phase I of the Libya Iron & expands. Site outage commenced with the
the bottom of the quarry and pumped to a Steel Co (LISCO) Misurata shutdown of Power Unit 3, in October 2009
sump 30 foot overhead. The sump is then Refurbishment Project, awarded to Weir Power & following the establishment of the Weir team in
drained to allow for mineral extraction. Industrial in November 2008, for the overhaul of September. Special attention was taken to select
Weir Minerals supplied a Warman pump to turbines, generators, pumps, motors, valves and the most appropriate workforce, capable of
match precise criteria specified by the actuators for two power plant units and six covering the extensive scope of the project.
customer, following an inadequate solution desalination units, is making significant progress. Additional work has been received during the
previously trialled by another organisation. Substantial preparatory work was carried out development phase, providing Weir with further
The environmentally conscious customer is for the site operation. Shipment of equipment re-engineering and turbine refurbishment work.
pleased with the optimum performance of the and recruitment of personnel commenced during The outage is scheduled for completion in
Weir Warman pump. the summer of 2009 and will continue as the site September 2010.
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