Sterilization /
Heat Treatment

Jet Cooker

Constant quality in gelatinising or sterilising

The Jet Cooker is connected in series preceding the drum dryer.

With its direct steam injection and high mixing and heat transfer capability, the Jet Cooker is ideal for hydrolysing, pasteurising and gelatinising.

The product and steam are mixed intensively as they flow through the Jet Cooker. Mixing takes place under pressure up to the drum dryer. Through precise product temperature measurement in combination with fast steam injection, a constant product quality is achieved.


For what is the Jet Cooker used?

The Jet Cooker is used to gelatinise the starch in the product supply to the drum dryer. In this process, the cell nuclei of the starch are broken open. The combination of Jet Cooker and GMF-Gouda drum dryer ensures complete gelatinisation of the product.
The product can also be pasteurised or sterilised in the Jet Cooker.


Advantages of the Jet Cooker

The Jet Cooker distinguishes itself from other machines:
  • It is very easy to use;
  • When the product flow is broken off, for example due to a malfunction or at the end of the production / batch, the product cannot form a crust in the Jet Cooker or clog it up because the sanitary steam automatically blows the Jet Cooker clean;
  • The Jet Cooker needs hardly any maintenance: it contains no drive, bearing or wear parts. Furthermore, the Jet Cooker is easy to disassemble for inspection and cleaning;
  • The use of the Jet Cooker removes the necessity of a linear power system on the drum dryer in order to prevent cold spots;
  • In terms of energy efficiency, direct steam injection is more efficient than indirect steam heating.
Because the steam is mixed directly with the product, the quality of the steam has to be high.
That is why only sanitary steam is used. If sanitary steam is unavailable, it is possible to choose a GMF-Gouda sanitary steam installation.


What is a sanitary steam installation?

A GMF-Gouda sanitary steam installation makes sanitary steam on the basis of a heating medium that is already available. That is usually non-sanitary steam, but it can also be thermal oil. This heating medium indirectly heats water into steam of sanitary quality via a heating coil.

A sanitary steam boiler consists of a number of systems:
  • The supply system of water to the boiler for turning water into sanitary steam;
  • The heating system for turning water into sanitary steam;
  • The steam boiler;
  • The sanitary steam network after the steam boiler;
  • The control systems, monitors and safeties.
The sanitary steam boiler is fitted to the requested process conditions.
A sanitary steam boiler assembled into a complete unit on a frame.
A sanitary steam boiler assembled into a complete unit on a frame.


Pilot plant ensures process data

GMF-Gouda has an extended database containing knowledge and experience of a large number of products. The pilot plant can be used for products that have not been tested before or for existing processes that need further improvement.

All processes can be simulated in our laboratory. The reliability of the simulations is proven by the success of hundreds of installations worldwide. In certain cases, tests can be done at the customer's site. Mobile test machines can be leased for that purpose.