Continuous prodn. of butter - with cryogenic cooling of butter during manufacture, by heat exchanger or direct injection of nitrogen@ or carbon di:oxide during mixing

摘要

Continuous prodn. of butter and butter derivs. comprises churning (B) mixing (C) in one or more stages and washing as required in a butyrator (A) and transferring to a storage vessel (E) with pump (F) prior to packaging. The butter and derivs. are cooled (D) to 2-5 deg.C. by a cryogenic fluid. USE/ADVANTAGE - Industrial scale prodn. of butter and related prods., satisfying legislative temp. criteria. Temp. of butter maintained below 6 deg.C. during and after processing, reducing costs by avoiding requirement to chill afte mfr.. Butter produced has good spreading quality.