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Sep 07, 2012

Spraying products, systems meet range of mining, mineral processing applications

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Mines and metal and mineral processing plants are among the largest users of industrial spraying products supplied by Monitor Engineering.

The company, the longstanding sole distributor in Southern Africa for Spraying Systems Co of the US, a significant global producer and supplier of industrial spraying products and systems, is a reputable supplier of products and systems to a range of industries in the local market.

Monitor Engineering says it is the primary supplier of spray nozzles, shower headers, injectors, lances and other spraying products for mining and mineral processing applications including gas cooling and scrubbing, dust control, fire protection, underground cooling, lubrication, screening and washing.

The company has also won major contracts in recent years for customised systems. It works closely with its principal in the design, assembly and installation of these systems and provides the on-site service backup and spares supply on behalf of its principal.

There are a variety of mining and mineral processing applications for which Monitor Engineering provides individual products and purpose-built systems.

Among these are gas cooling solutions, which usually form part of emission control systems, with the spraying systems provided by Monitor Engineering being designed to cool hot gas emitted from smelters and other processing plants.

“In evaporative cooling, spray drops need to be small to achieve complete evaporation quickly and avoid wetting of walls, ductwork and other solid surfaces, as excess liquid can create maintenance problems, such as dust and sludge build-up, and can have a negative impact on downstream equipment,” comments Monitor Engineering MD Grant Orsmond.

Products for gas cooling include individual specialised spray nozzles and lances, as well as completely automated systems, such as the AutoJet gas conditioning system.

Similarly, a high level of spraying effi- ciency is required for gas scrubbing applications.

“Achieving the right interaction between gas and liquid is primarily dependent on drop size. In addition, our equipment is designed to withstand the high temperatures and corrosive solutions used in most scrubbing operations,” Orsmond points out.

The company boasts extensive experience in providing a range of spraying solutions for various types of dust control applications. “Whether you need to keep dust from becoming airborne or suppress particles that are already airborne, applying water and/or chemicals to dust is usually the most efficient and cost-effective solution,” he explains.

“It is especially important to work with a supplier which is an expert in all facets of spray technology, with special expertise in drop size and evaporation. Not only will we assist with nozzle selection, but we’ll also work with you to establish a maintenance and inspection programme to ensure proper performance and minimise risk.”

Conveyor washing, ore washing and wet screening are other applications where the company has a depth of experience and the right products and systems to meet customers’ specific requirements.

“We have a number of high-impact, high-efficiency, low-profile nozzles for washing conveyors, ore washing, wet screening and medium recovery. These nozzles are available in a variety of spray angles, flow rates and materials, such as brass, stainless steel and glass-reinforced polypropylene.

“They are also available in quick-connect fittings. The body stays on the header and only the tip is removed by hand, resulting in lower maintenance time and lower costs as you only replace the tips. These nozzles have precision machined orifices to provide high-impact spraying and minimise water consumption,” Orsmond concludes.

Edited by: Creamer Media Reporter
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