Ball shaped snack forming machine

drop shapedsmall pie shapedrectangular

Overview
The air-flow puffing machine processes starch-containing materials such as rice, wheat, highland barley, corn, sorghum, buckwheat and beans to produce puffed cereal foods and snack products. Typical outputs include rice cakes, corn puffs and puffed breakfast cereals. The instantaneous puffing method preserves nutritional components, natural flavor and color while achieving uniform expansion. Nominal production capacity is ~50 kg/h with batch outputs of ~5–8 kg; the system is intended for industrial food-processing lines and simple operation.

Working principle
The machine combines rapid air flow with high temperature and pressure. Raw materials are fed through the feeding system into a heated, pressurized chamber where they are rapidly conditioned. On discharge, the sudden pressure drop causes the material to expand and form a porous/puffed structure.

Applications

• Puffed cereals (e.g. corn puffs, puffed rice cakes, breakfast cereals)
• Puffed pulses (e.g. puffed peas, puffed beans)
• Puffed nuts (e.g. puffed almonds, peanuts, walnuts)
• Pet food (puffed kibble to improve texture and palatability)
• Cereal chunks and bars (energy bars, granola bars)
• Infant cereals (air-puffed rice and millet preparations)
• Mixed breakfast products combining grains, nuts and dried fruit

Process control and production
Puffing characteristics (expansion ratio, texture, color and taste) are controlled by adjusting temperature, pressure, moisture and throughput. Air-flow puffing equipment supports continuous, large-batch processing and is suitable for scalable production. Typical stated capacity: ~50 kg/h; typical batch output: ~5–8 kg.

Product advantages

• Controlled expansion: rapid pressure drop produces consistent porous texture.
• High throughput: designed for efficient processing of bulk raw materials.
• Adjustable product attributes: shape, size and degree of puffing can be tuned via process parameters.
• Nutrient retention: instantaneous expansion helps preserve nutrients while reducing microorganisms.
• Product variety: applicable to a wide range of puffed snacks and cereal forms.
• Material flexibility: compatible with grains, pulses, nuts and dried fruit.
• Waste reduction: precise control reduces raw-material loss.
• Energy-efficient design: optimized heat and airflow systems to reduce energy use.
• Automation-ready: compatible with modern control systems for consistent operation.
• Hygienic design: accessible surfaces for cleaning and maintenance.

Main components / structure

• Puffing/expansion chamber(s)
• Rotating and conveying devices
• Heating and steam systems
• Safety and pressure-relief devices
• Vibration-damping elements
• Supporting frame and base

Technical specifications

• Suitable raw materials: rice, wheat, highland barley, corn, sorghum, buckwheat, beans and other starch-containing materials
• Typical applications: puffed cereals, puffed pulses, puffed nuts, pet food, cereal bars, infant cereals, breakfast mixes
• Production capacity (typical): ~50 kg/h
• Batch output (typical): ~5–8 kg/batch
• Adjustable parameters: temperature, pressure, moisture content, feed/extrusion speed
• Designed features: pressure-safety devices, vibration reduction, automation interfaces, energy-saving measures, easy cleaning and maintenance