Denatured Starch Processing Line

An extrusion denatured starch processing line is an industrial setup used to produce denatured starch using extrusion technology. Denatured starch, also known as modified starch, is a product of starch that has been chemically or physically altered to improve its functional properties for various industrial applications. The extrusion process is one of the methods used to modify starch.

Denatured Starch Processing Line

An extrusion denatured starch processing line is an industrial setup used to produce denatured starch using extrusion technology. Denatured starch, also known as modified starch, is a product of starch that has been chemically or physically altered to improve its functional properties for various industrial applications. The extrusion process is one of the methods used to modify starch.

Modified Starch

How an extrusion denatured starch processing line typically works:

  1. Raw Material Handling: Starch is usually derived from crops like corn, wheat, or potato. The raw starch is brought to the processing facility and stored.
  2. Mixing and Pre-treatment: In some cases, the starch may be mixed with other ingredients or subjected to pre-treatment to modify its properties before extrusion.
  3. Extrusion: The extrusion process involves forcing the starch mixture through a machine known as an extruder. The extruder typically consists of a barrel, a screw, and a die. The starch mixture is heated and pressurized as it moves through the extruder. This process causes the starch granules to swell and gelatinize.
  4. Cooling and Cutting: After extrusion, the modified starch is rapidly cooled to set its new structure. It may then be cut into the desired shape or form, depending on the intended application.
  5. Grinding. This machine is used to grind extrusion materials into powder.
  6. Drying: The denatured starch is often dried to reduce its moisture content, making it easier to handle and store.
  7. Quality Control: Quality control measures are taken to ensure that the denatured starch meets the desired specifications and performance characteristics.
  8. Packaging: The final product is typically packaged in various forms, such as powder or granules, suitable for use in various industrial applications.

twin screw extruder

Modified starches find applications in various industries, including the food industry (for thickening sauces, soups, and gravies), the paper industry (as a binder and surface treatment), the textile industry (as a sizing agent), and many other sectors where modified starch properties can be beneficial. The choice of modification method and source material depends on the desired properties and intended use of the modified starch.

The modified starch extruder machine flow chart.
Mixer machine—conveyor—extruder machine—conveyor—dryer—grinder machine
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The capacity of the modified starch extruder.
AVN65 starch extruder machine has capacity 120 kg per hour.
AVN70 starch extruder machine has capacity 200 kg per hour.
AVN85 starch extruder machine has capacity 500 kg per hour.

Extrusion is a versatile method for modifying starch because it allows for precise control of processing conditions, which, in turn, can yield starch with a wide range of functional properties. Modified starches have various applications in the food industry, paper industry, textile industry, and more. They can be used as thickeners, binders, gelling agents, and stabilizers, among other functions, depending on their specific modifications.
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