INTERPEC
As a fully integrated poultry producer in Mexico, Interpec San Marcos controls the chain from feed to farm to final product. To support continued growth in poultry production and commercial feed supply, Interpec invested in a new state-of-the-art feed mill with a capacity of 60 tons per hour, designed for future expansion to 120 tons per hour.
- 60 tph, Animal feed, Future-ready expansion, Poultry feed, Turnkey project
Interpec selected Van Aarsen as project partner because of its strong engineering capabilities, high-quality equipment, reliable technical support, and the ability to translate Interpec’s requirements into an effective tailor-made solution. The result is a modern feed mill designed for safe, efficient, and consistent production of high-quality poultry feed for its own poultry operations as well for commercial customers.
This new feed mill was designed to do more than increase output alone. The plant enables Interpec to produce balanced poultry feed with consistent particle size, high hygienic standards, and reliable operational performance. At the same time, the layout already reserves space for one additional grinding and mixing line and two extra pelleting lines, making the factory ready for future growth.
BUILDING FOR THE FUTURE
Location: San Marcos, Mexico, 2024
Capacity: 60 tph
Raw materials are received at the existing intake pit, while mineral components are handled separately via a dedicated big bag intake and directed to dosing silos. These silos are designed to ensure proper product flow and are continuously monitored, providing insight into available quantities.
From the dosing silos, raw materials are weighed and dosed using multiple scales. This setup ensures both flexibility in recipes and consistent batching performance.
Before grinding, the raw materials pass through a multi-deck sieving system. This system separates fines and lumps, allowing fines to bypass the hammer mills and go directly to the mixer. As a result, unnecessary grinding is avoided, contributing to improved efficiency.
CONTROLLED AND EFFICIENT PRODUCTION
Grinding is performed by two GD hammer mills, each equipped with a 200 kW frequency-controlled motor. This ensures that the required particle size and structure can be achieved consistently.
Micro ingredients are handled through four dosing units with a total of 32 silos. A barcode system, combined with silo locking, ensures that each ingredient can only be filled into its designated silo, supporting both safety and traceability. High-precision dosing enables accurate addition of even very small quantities.
All components are then blended in a paddle mixer to create a homogeneous mixture.
The conditioned product is processed in two CU900 Dynamic pellet mills, each with a capacity of up to 30 tons per hour. After pelleting, the product is cooled using filtered air to achieve the required temperature.
Depending on the final product requirements, pellets can be further processed through crumbling, sieving, and coating before being transported to storage.
PELLETING AND FEED SAFETY
From the mixer, the product can either be transported directly to the finished feed silos or directed to the pelleting lines. When pelleting is required, the meal first enters a steam mixer, where both temperature and moisture content are increased.
The product is then retained for four minutes at a minimum temperature of 85°C. This controlled conditioning process supports hygienic feed production and contributes to the elimination of pathogens such as salmonella.
HYGIENE AND HANDLING
Hygiene has been a key focus throughout the design of the plant. Dust is continuously extracted from the process, while equipment and structural details are designed to minimize dust accumulation and support effective cleaning.
Compressed air is used for both filter cleaning and the operation of process components, supported by a modular and energy-efficient system.
Finished feed, including meal, pellets, and crumbs, is transported to the finished feed silos. From there, products are loaded via two bulk loading lanes equipped with automated weighing systems, ensuring accurate and efficient truck loading. In addition, the plant includes a bagging installation with a capacity of 24 tons per hour.
The result is a modern feed mill that combines advanced grinding for optimal feed structure with long-term conditioning for hygienic production. It enables Interpec San Marcos to produce high-quality poultry feed in line with the latest standards in feed nutrition, while supporting efficient and reliable operation.
For Interpec, this new feed mill is more than a production facility. It is a strategic investment in quality, biosecurity, and future growth.
A RELIABLE FOUNDATION FOR FUTURE GROWTH
HIGH END EQUIPMENT WHICH WAS USED IN THIS PROJECT
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