A case study on a dry-mix mortar project in Peru: Tongding Machinery—a specialist manufacturer of triple-pass dryers—customized a triple-pass dryer for a South American client’s dry-mix production line. This overview details equipment selection, pricing, overseas delivery, and operational performance, serving as a reference for sourcing sand and aggregate drying equipment in South America.
1.Amidst ongoing infrastructure expansion in Peru, the client—whose core business involves processing construction aggregates and producing dry-mix mortar—planned to construct a new, standardized dry-mix production line. Their existing single-drum dryer suffered from high energy consumption and inconsistent output moisture levels, failing to meet the quality standards required for tile adhesive and masonry mortar; consequently, there was an urgent need to replace it with a more energy-efficient and stable drying unit.
2.After comparing various manufacturers of triple-pass dryers online and researching pricing, equipment durability, and overseas after-sales support, the client selected Tongding Machinery—a manufacturer deeply experienced in the export market—and finalized the project proposal via WhatsApp.
The client’s raw materials consist of river sand and manufactured sand with an initial moisture content of 16%. Requirements included reducing moisture to ≤0.6% and achieving an hourly output of 18 tons to ensure seamless integration with the continuous dry-mix production line. Additionally, the equipment needed to be compatible with local coal-fired heat sources and designed for easy disassembly and containerized sea shipping.
1.As a professional manufacturer of triple-pass dryers, our technical team custom-designed a complete φ2.2×16m triple-pass drying system—including the dryer unit, hot air furnace, pulse dust collector, and feeding/conveying auxiliaries—tailored to the client’s production capacity, material characteristics, and site footprint.
2.Compared to market rates, Tongding employs a factory-direct model that eliminates intermediary markups; additionally, the equipment features a modular design optimized for maritime shipping to South America, thereby reducing transport costs. The triple-shell, self-insulating structure achieves 88% thermal efficiency—offering 30% greater energy savings than conventional equipment—perfectly aligning with the client’s long-term goal of reducing costs for their dry-mix production line.
3.Following the proposal, the client conducted a remote video inspection of the factory to review production, welding, and pre-shipment testing procedures. After verifying key details—such as the wear-resistant lifting flights and the thickened dryer shell—the client signed the purchase contract.
1.Upon receipt of the deposit, the factory expedited production and provided the client with real-time video updates throughout the manufacturing process. Once completed, the equipment underwent anti-rust coating and was disassembled for packing; it was then loaded into a 40HQ container for shipment to a port in Peru, accompanied by installation drawings and operation manuals in Spanish.
2.After the equipment arrived at the site, we provided remote guidance to local workers for assembly and commissioning, successfully bringing the entire dry-mix line into integrated operation within three days. Data from six months of operation showed uniform drying with no material sticking to the walls, a significant reduction in fuel consumption per ton of sand, consistent quality of the finished dry-mix mortar, and trouble-free continuous operation.
3.Client feedback: Tongding Machinery is a reliable manufacturer of triple-pass dryers, offering equipment with excellent cost-performance and transparent pricing. Their remote after-sales support is responsive, and the client plans to purchase additional drying equipment from them for future dry-mix line expansions.
1.Prioritize sourcing directly from manufacturers of three-pass dryers to ensure superior equipment quality and after-sales support while avoiding intermediary markups;
2.Select the appropriate model based on the dry-mix production line’s capacity and material moisture content, while comprehensively comparing purchase prices against long-term operating and maintenance costs—avoiding the mistake of simply choosing the cheapest equipment;
3.For export equipment, confirm arrangements for modular shipping, compatibility with local heat sources, and multilingual technical support to ensure the smooth commissioning of overseas projects.
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