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Sand specifications are becoming more precise, making washed aggregates more necessary than ever. This is an opportunity the patented Aggredry® washer, manufactured by Superior Industries, Inc, can help customers take advantage of.
As demand for more stringent material specifications grows and quarries progress further into their reserves, the need to wash aggregate materials increases. The Aggredry® washer, distributed in New Zealand by MIMICO, is a combination of fine material washer and dewatering screen in a single machine, and is the ideal solution.
Traditionally, incorporating processes like washing and dewatering into your job sites can create some common inconveniences. “Processing wet material means you often need additional time for it to dry,” says Garth Taylor, MIMICO’s Crushing and Screening business manager. “That extra time means delaying the reclamation of the stockpile, while extra space is needed for the drying of inventory and often double handling of the end products.
“The Aggredry® washer solves this problem by both washing and drying the material, producing instantly saleable material with a moisture content as low as 8%.”
The Aggredry® washer has found a home in many New Zealand applications. With nearly 10 machines installed to date, Aggredry® washers can be found classifying manufactured sands, natural sands, and pumice sands throughout the country. The simple design and excellent dewatering capabilities are well matched to New Zealand customers' needs.
Instantly saleable sand
The Aggredry® washer’s screw removes clay, dirt, and crusher dust from your sand. The silt laden water is washed out the backside, while the saleable aggregate is carried and discharged to the integrated dewatering screen.
“Any remaining water is separated, resulting in a moisture content as low as 8% when the material hits the stockpile,” explains Taylor. “From there, there’s no need to wait. You can transfer the fresh material directly to stockpile or the customer’s truck.”
Often the material fines generated as a result of dewatering are lost with the waste water, leading to product loss.
“These fines can become an aggravating waste product that goes right down the drain. To solve this issue, minus quarter millimetre sand is collected below the Aggredry® washer’s screen in an under flume and is reintroduced back into the sand screw via a patented water jet,” says Taylor.
This process saves 3% of the material from being re-routed to the waste pond which, in turn, provides more product to sell.
The Aggredry® washer both washes and dries the material, producing instantly saleable material with a moisture content as low as 8%
About Superior Industries, Inc
Superior Industries engineers and manufactures ground-breaking, bulk material processing and handling equipment and cutting-edge machinery components. From its headquarters in Morris, Minnesota, USA, it supplies bulk crushing, screening, washing and conveying systems for industries including construction aggregates, mining, bulk terminals, agriculture, power and biomass.
In addition to its home plant in Minnesota, the 45-year-old Superior operates from other facilities in Arizona, Georgia, Illinois, Michigan and Nebraska, USA; Alberta and New Brunswick, Canada; and three locations in Brazil to serve South American markets. For more about Superior Industries visit: http://superior-ind.com/
About MIMICO
MIMICO sells, hires, and services heavy machinery for the quarrying, mining, contracting, construction, recycling and forestry industries.
MIMICO is the New Zealand distributor for Metso: Outotec crushing and screening equipment, Kobelco Hydraulic excavators, Moxy Articulated Dump Trucks, Epiroc rock breakers and demolition equipment, Dynapac construction equipment, Superior conveyors and wash systems, MDS trommels and apron feeders, ZF transmission and drive components for construction equipment, Cesco concrete mixer bowls, and manufactures Lamella portable waste water treatment plants.
MIMICO’s sales and service operation spans the country, with its head office in Matamata, branches located in Auckland, Paraparaumu and Christchurch, and a network of service providers as far north as Whangarei and as far south as Invercargill.