Rock Products

JAN 2019

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

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16 • ROCK products • January 2019 FRAC SAND INSIDER Several pieces of Sweet equipment were installed in Texas at a frac sand transload facility. This is among the largest indus- trial installations for Sweet Manufacturing directly sold in the oil and gas sector. •  At this installation, two Silver-Sweet Titan bucket elevators that handle up to 400 tph, along with a tower to support both bucket elevators, were installed. •  To assist with moving the sand, they also installed two roof- top conveyors with 30-in. belts, handling 800 tph. •  Two reversing pit conveyors with 24-in. belts, handling 400 tph were also installed for rail unloading. Sweet Manufacturing Co., Vortex Creates Solution for New Sand Plant In 2017, Vortex completed a large project with an industrial sand man- ufacturer to construct a new sand processing facility. As part of this proj- ect, the client sought solutions for: • Diverting sand into screeners, where the sand is sized and then transferred into a series of holding bins. • Loading sand from each holding bin into enclosed trucks below. Due to the abrasive properties of indus- trial sand, the client sought reliable components designed for durability and longevity. Having enjoyed the quality of Vortex components when using them in previous projects, the client opted to source 17 pivoting chute diverters, nine titan lined diverters (TLDs), five titan slide gates (TSGS), five vortex loading spouts and 14 maintenance gates. Once raw industrial sand is introduced into the manufacturing process, it is conveyed through an initial duct line. From that duct line, Vortex TLDs are being used to divert sand materials toward various production processes. This client sourced TLDs for their abra- sion-resistance, longevity and ability to be maintained in-line. Like the pivoting chute diverter, the TLD also features a removable access door that allows inspection and maintenance to be performed without removing the diverter from service. TLDs also feature replaceable abrasion-resistant liners and removable wetted parts. For return-on-investment purposes, these features are beneficial because they allow for the replacement of worn parts, rather than full diverter replacement. The TLD is also designed so that the leading edge of the blade enters a recessed area. This feature ensures that the leading edge of the blade is protected from the material flow stream, to prevent material leakage to the opposite leg. Below the blade shaft, the TLD features a shaft seal that self-compensates for wear. As the blade actuates back and forth, any frictional wear between the blade shaft and the shaft seal is compen- sated by compressed rubber backing. This design ensures the blade shaft and the shaft seal are continuously forced together, protecting the blade shaft from abrasion and preventing materi- als from migrating to the opposite leg. Vortex, Sweet Material Handling Equipment Installed at Frac Sand Facility

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