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3. Applications and associated hardware
3.1 Temperature control
When mixing or kneading food products, the high input of mechanical energy (motors) causes the products to heat up. In order to control the temperature, a "cold" solution is therefore necessary. This addition of frigories also enables the products to be cooled to a given texture.
Liquid nitrogen or liquid carbon dioxide can be sprayed directly into the product by means of an injection system at the top or bottom of the mixer, chopper or kneader (figure 5 ). In this way, the temperature of the product is controlled extremely rapidly by direct fluid-product contact.
The control system associated...
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Applications and associated hardware
Case study
Bibliography
Also in our database
Websites
AIR LIQUIDE, Fournisseur de gaz industriels http://www.airliquide.com (page consulted on June 8, 2010) http://encyclopedia.airliquide.com/encyclopedia.asp : site consulted on June 8, 2010.
Regulations
European Machinery Directive 2006/42/EC.
Articles of the French Labor Code R. 4222 (with sub-paragraphs) relating to air renewal and premises with specific pollution.
European regulation no. 1333/2008, which repeals European directive 89/107 on food additives.
European regulation no. 852/2004 on food safety, in particular the implementation of a HACCP...
Patents
Freezing process and device, EP 0505222B1
Freezing method and device, EP 0576665B1
In-line crusting device for products, EP 0806618A1
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