The so-called puffed food is mainly made of grains, potatoes or beans as raw materials, and is made by pressurizing, heating or extrusion, which changes the internal structure and volume of the food, and shows a porous and fluffy state after restoring normal temperature and pressure. Snacks machinery is the use of puffing principle to make ordinary corn, wheat, potatoes, rice and other raw materials into everyone’s favorite round, triangle, spiral, star-shaped, crispy delicious snacks.

Three kinds of expansion methods and processes: 

1, the production process of baked puffed food: powder → cooking → molding → one-time drying → curing → secondary drying → baking → seasoning → packaging.

The production process from semi-finished products to finished products: baking → seasoning → packaging.

2, fried puffed food production process: powder → cooking → molding → drying → frying → seasoning → packaging.

The production process of finished products from semi-finished products: frying → seasoning → packaging.

3, direct extrusion extruded food production process: powder → mixing → extrusion → molding → baking → seasoning → packaging.

4, color process: refers to the billet production process (can be divided into baking type, fried type or extrusion type three), followed by the coloring process.

However, in actual production, various processes mix and complement each other, so as to achieve the perfect effect of the product.

Now large food factories use snack food production line basically using extruder extruder process, his core machinery is puffed food extruder.

Key links:

Baking type: steaming, drying, baking.

Frying methods: steamed, dry, deep-fried.

Direct extrusion: extrusion, baking.

prone to quality and safety problems.

1, the taste is not crisp: if the billet water content is too high, the water vaporization is not enough, the finished product expansion effect is poor, the taste is easy not crisp.

2, the surface of the product coke: baking, frying temperature is too high; It’s been too long.

3, health is not up to standard: the product packaging workshop health environment control is not good, easy to cause product microbial pollution.

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