Pet Food

The Hosokawa Micron Pre-Breaker PB is designed for efficient coarse size reduction and is often used as a pre-processing step ahead of downstream equipment. It is particularly suited for demanding materials, combining low-speed operation with high torque to process tough and dense feedstocks while minimizing heat generation. This supports reliable throughput, high process efficiency and reduced downtime.

BUILT FOR DEMANDING APPLICATIONS

• Heavy-duty design in stainless steel or carbon steel 
• Available with drive capacities up to 150 kW for challenging processing tasks 
• Engineered to handle high loads and impact stress, including tough animal by-products 
• Low-maintenance concept for reliable operation 
• Energy-efficient design for economical processing

The Alpine Rotoplex cutting mill from Hosokawa Alpine offers an efficient solution for processing pet food ingredients to fineness levels below 2 mm. Adjustable rotor speed and configurable screen options allow flexible control of particle size distribution and precise adaptation to product requirements. Its cross-scissor cut rotor supports high cutting efficiency while promoting a uniform end product with minimal dust generation. The system is available in multiple sizes for capacities ranging up to several tons per hour.

BENEFITSOF THE ROTOPLEX GRANULATOR

• Powerful, durable and compact design for reliable long-term operation 
• Easy-to-clean construction helping reduce operating costs 
• Low dust generation for safe handling and smooth downstream processing

For demanding size reduction and deagglomeration tasks, the Alpine AFC flake crusher and Alpine Bexmill ABM offer flexible solutions for processing friable bulk materials, including rework and extruded products. Suitable for both laboratory use and integration into production lines, these systems can handle throughputs of up to 10 t/h while delivering reliable and efficient processing.

KEY BENEFITS

• Robust, straightforward technology for dependable operation 
• Effective deagglomeration of soft to medium-hard materials 
• Quick and easy rotor and screen changes 
• User-friendly design with short cleaning times 
• No external blower or filter system required

The Hosokawa Mikro-Pulverizer hammer and screen mill is designed for consistent grinding of high-quality pet food ingredients. Its efficient and robust design supports controlled particle size reduction, contributing to improved product uniformity, palatability and digestibility. With a high-speed rotor and interchangeable hammer and screen configurations, the system offers flexibility for processing a wide range of ingredients in both coarse and fine grinding applications.

BENEFITS FOR PET FOOD INGREDIENT PRODUCTION

• Flexible design for particle sizes ranging from coarse to fine powders 
• Compact and durable construction suited for continuous, high-throughput operation 
• Energy-efficient solution that can be easily integrated into existing processes 
• Wear-resistant components help reduce maintenance and downtime 
• Supports cost-effective, sustainable production with minimal product loss

For fine and ultra-fine grinding applications, the fine impact mill Alpine Ultraplex UPZ and the pin mill Alpine Contraplex CW II offer flexible solutions for a wide range of pet food ingredients. The UPZ enables versatile particle size control through interchangeable grinding elements, allowing different fineness levels to be achieved on a single system. For even finer powders, the Contraplex CW II is well suited, particularly for challenging or sticky materials, combining high throughput with particle sizes down to 100 µm.

BENEFITS OF THE FINE IMPACT MILL ALPINE ULTRAPLEX UPZ

• production of medium-fine to very fine powders with good flow characteristics 
• Easily exchangeable grinding tools for fast product changeovers 
• Available in multiple sizes to match different capacity requirements 

BENEFITS OF THE PIN MILL ALPINE CONTRAPLEX CW II

• Spacious grinding chamber for continuous processing of fatty or adhesive products 
• High relative tip speeds for achieving very fine powders 
• Self-cleaning effect through two counter-rotating pin discs

For pet food ingredients that require precise functional properties in formulations, consistent particle size distribution is often essential. Classifier mills such as the Mikro ACM, Zirkoplex ZPS and Alpine Dual Mill ADM combine fine grinding and classification in a single system, enabling particle sizes below 100 µm with accurate top-size control. This makes them well suited for applications where product uniformity and reproducible powder properties are critical.

BENEFITS OF CLASSIFIER MILLS

• Combined grinding and classification in one machine for uniform particle size distribution 
• High airflow provides a cooling effect during processing to help maintain product quality 
• Precise classification and narrow particle size distributions with adjustable cut points 
• Low specific energy consumption for cost-efficient production 
• Compact design for easy integration into existing process lines 
• Easy cleaning and maintenance support fast product changeovers 
• Available in a range of sizes and configurations for different requirements

Nauta Conical Screw Mixer

The Nauta conical screw mixer is a proven solution for feed and pet food applications, designed for gentle, highly accurate batch mixing across a wide range of product properties. Its low-intensity mixing principle supports uniform blending while protecting sensitive ingredients and maintaining product integrity. Suitable for both batch and continuous operation, the system offers high flexibility for diverse production requirements.

KEY BENEFITS

• Batch capacities from 2.5 to 80,000 liters 
• Gentle, energy-efficient mixing with minimal impact on the product 
• High mixing accuracy and process flexibility 
• Robust, simple design for reliable operation 
• Complete discharge for efficient product handling 

TYPICAL APPLICATIONS

• Vitamins, minerals and premixes 
• Large-volume batch processing 
• Mixing of sensitive ingredients 
• Addition of oils, fats and flavors to powders 
• Applications involving heating, cooling or sterilization 

Vitomix  Ribbon Screw Mixer

The Vitomix  Ribbon Screw Mixer is a vertical mixing solution designed for fast, gentle blending with low to medium shear. Especially suited for incorporating liquids and fats into powders, it delivers short mixing times and efficient product circulation while preserving sensitive materials. Its flexible design makes it suitable for a variety of demanding mixing tasks.

KEY BENEFITS

• Batch capacities from 50 to 10,000 liters 
• Fast and efficient mixing process 
• Ideal for adding oils, fats and flavors 
• Gentle processing with low energy input 
• Flexible, robust design with complete discharge 

TYPICAL APPLICATIONS

• Powder conditioning with liquids or fats 
• Processing of sensitive ingredients 
• Instantizing pet food powders 
• Dust reduction in feed blends 
• Vitamin, mineral and nutrient premixes

The continuous DMR Flash Mill Dryer combines drying, grinding and classification in a single process step, offering an efficient solution for processing sensitive pet food ingredients. Its process design helps preserve valuable product properties while providing flexible and reliable drying performance. Particularly for heat-sensitive materials, the system supports gentle treatment and consistent product quality.

KEY BENEFITS

• Integrated drying, grinding and classification in one system 
• Gentle, uniform heat exposure to help maintain product functionality and digestibility 
• Ultra-short residence times, typically 1–3 seconds 
• High evaporation capacities of up to 2,000 kg/h