Environmental Products

Modular plant meets demand for more productivity, efficiency

The existing operation featured a single stage primary crusher providing an open circuit feed to a two-stage milling circuit. There was insufficient surge storage capacity between the crushing and milling circuit. Any interruptions in the upstream processing or material handling would idle the finish milling/concentrator circuit. 
While exploring options to improve production with various vendors, TRIO?s process team and its local distributor proposed a proven method to achieve the client?s objectives, increasing the mill throughput by lowering the P-80 of the mill feed and providing a surge capacity to maintain a continuous 24/7 feed to the finish milling and concentrator circuits.
TRIO?s proposal allowed the existing processing circuits to operate in the construction and installation phases. After the new crushers, conveyors, feed bins and surge hoppers were installed and test run, integration into the existing system was simple and easy. 
TRIO provided a surge bin, feeder and TC51 standard crusher after the existing jaw crusher. The discharge from the TC51 standard reports to a radial stacking conveyor that provides ground storage if the tertiary cone is down for liner replacement, or its material transfers to a ground level surge hopper that feeds the TRIO 5? x 14? double-deck screen, with oversize ore reporting to a TRIO TC51 short head cone, which discharges onto a short transfer conveyor combining with the standard cone feed to the screen.
The undersized ore from the screen is fed to the small semi-autogenous (SAG) mill. The SAG mill feed is transferred to a surge hopper that has the option of feeding the SAG mill or transferring to ground storage if the mill is down. Even the SAG mill was configured with a system to store its discharge if the finish milling/concentrator was down. The TRIO system solution was simple, straightforward and cost-effective. 
Anxious to take advantage of the production increase, the owner asked for TRIO?s proposal to be implemented in the shortest possible time. TRIO was able to capitalise on this opportunity with a long lead time, a prudent inventory of critical components and machines, a vast array of pre-designed engineered drawings for modular structures and nearly 122,000m? of modern computer numerical control manufacturing facilities. This combination results in high value plant solutions and a compressed development time from conception through commissioning that is unmatched in the industry.
TRIO modular plants are designed with heavy duty modules that bolt together easily. These modules enable adjusting structure elevations, tailoring access points and maintenance platforms, providing feed and discharge options and incorporating smart, user-friendly features into the plant design. Modular support structures are the most economical way to build a stationary plant or to add to an existing facility.
TRIO?s regional manager and local value-added distributor had the opportunity to be on-site as the containers arrived ahead 
of schedule.
The mine management team was quick to note the clear marking and documentation accompanying the shipments. They also learnt that the entire plant had been assembled complete with drives and guarding and test run to ensure proper fit and operation at TRIO?s manufacturing facility in Shanghai. The plant was disassembled, painted, match-marked and packed in standard ocean containers for easy transport. This attention to detail made on-site assembly of the new plant efficient, trouble free and easily integrated into the existing operations. 
Source: TRIO Engineered Products 

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