Myande Completes DTDC Upgrade at 5,000 t/d Soybean Crushing Plant With 22 kg/t Steam Savings

Myande has successfully completed and commissioned the Desolventizer–Toaster Dryer–Cooler (DTDC) heat recovery retrofit for Guangxi Gangqing Oils Co., Ltd.’s 5,000 t/day soybean processing facility. The project has passed final acceptance and entered stable operation.

The retrofit focuses on the DTDC section, one of the most energy-intensive stages in soybean processing. The project introduces Myande’s DTDC heat recovery core technology, integrated with TVR heat pump systems, extractor vacuum dewatering, and waste heat recovery from the preparation workshop, delivering a systematic energy-saving upgrade to the existing production process.

Since commissioning, steam consumption has been significantly reduced. At Gangqing Oils, steam usage in the preparation workshop has decreased by 22 kg per ton of soybeans, effectively lowering energy costs in key production stages. At the same time, optimized exhaust air treatment has reduced particulate matter and VOC emissions, with all environmental indicators performing better than industry standards.

In addition, the project incorporates intelligent control, smart inspection, and safety monitoring systems, establishing an integrated digital production and safety management framework that improves operational stability, safety, and management efficiency.

Fangchenggang Maple Grain & Oil Industrial Co., Ltd., another core subsidiary of Beigang Oils, has completed a similar DTDC heat recovery retrofit. Both projects follow Beigang Oils’ unified technical roadmap and adopt the same core technology platform, with site-specific optimization based on individual operating conditions.

Within three months of stable operation, the two projects have generated combined operational cost savings exceeding $370k, demonstrating the effectiveness and scalability of the DTDC heat recovery solution.

The successful implementation of these projects provides a replicable reference for energy-saving upgrades in the edible oil industry. Moving forward, Myande will continue to support customers in advancing energy efficiency, green manufacturing, and intelligent production through technological innovation.