ZPK-1 - coating and flavouring line for pet food.

The ZPK-1 is a coating and flavoring system for dry pet food, allowing easy customization to individual production needs. The system consists of three main components: a rotating drum with spray nozzles, the UWD-2 device for dosing dry ingredients, and a rotating drum for final mixing. Depending on the requirements, individual components can be used or combined into a complete line for comprehensive coating of food with both liquid and dry ingredients.

Stages of the ZPK-1 operation:

1. Coating with liquids (e.g., oils, fats). The first stage involves coating the extruded food with liquid mixtures in a rotating drum equipped with spray nozzles. Precise adjustment of the drum's rotational speed (typically around 8 rpm), tilt angle, and the amount of liquid supplied ensures uniform distribution of additives on the food. The 50-liter liquid tank allows for continuous supply of the mixture, guaranteeing process stability. This solution is optimal when only liquid coating is required, without adding dry ingredients, especially in the production of granulated fish food.
2. Adding dry ingredients (e.g., spices, vitamin supplements). When the need arises to enrich the food with only dry additives, the UWD-2 module with the final mixing drum is utilized. This device allows for dosing dry ingredients with an accuracy of 0.2%, ensuring even coverage of the granulate. The 55-liter tank for dry ingredients and the mobile construction enable flexible and quick setup of the device at various drums. This stage can be activated independently of the others if the addition of liquids is not required.

The most commonly used coating method combines both processes, ensuring the best protection and enrichment of the food. Initially, the food is coated with liquid mixtures, enhancing adhesion and preparing the product for the addition of dry additives. The product then enters the second drum, where the appropriate geometry (diameter of 900 mm) and rotational adjustments allow for even mixing of the dry ingredients with the food. The entire process operates smoothly and automatically, ensuring precise control over dosing and mixing.

The ZPK-1 set, combined with other elements of the technological line, such as the ESK series extruder and the ST-15 belt dryer, constitutes a comprehensive solution for producing dry pet food. With the capability to configure devices according to recipe requirements, the set provides flexibility, high efficiency (from 100 to 1000 l/h), and low energy consumption (no more than 1 kW), making it ideal for small and medium-sized production facilities.

Integrating the systems guarantees precise control over every stage of production, from the initial moistening of the product to the addition of final ingredients. This comprehensive approach allows for high-quality food production, which is crucial for the health and well-being of animals.

Technical specifications of the ZPK-1 set:

• Efficiency: from 100 to 1000 l/h, depending on configuration
• Drum rotational speed: 8 rpm
• Liquid tank capacity: 50 l
• Dry ingredient tank capacity: 55 l
• Dosing accuracy: 0.2%
• Power consumption: up to 1 kW
• Air pressure: 6 bar
• Air consumption: 0.12 nl/cycle
• Dimensions: 4798 x 1161 x 2278 mm

The ZPK-1 set is an indispensable element of any modern dry pet food production line. It offers full flexibility and efficiency, whether only liquid coating, dry ingredients, or a combination of both processes is needed.