Agitating – Having specified feed means – Adjustable mixing ratio control
Patent
1998-05-18
2000-07-04
Yeung, George C.
Agitating
Having specified feed means
Adjustable mixing ratio control
137897, 3661671, B01F 500
Patent
active
060828897
ABSTRACT:
A mixer and method of mixing are described which involves forming a viscous first fluid into a thin film by passage through an annulus and then injecting a second fluid into the flowing liquid. Injection may be through either annulus-forming surface or both in various patterns. A particular mixer adapted for use in the uniform mixing of rennet and precheese. The precheese is suitably formed by ultrafiltration of milk. The mixer forms an annulus and injects rennet circumferentially into the surface of precheese/retentate flowing in the form of a thin film through the annulus formed by the mixer. Downstream of injection, additional mixing means may be included to further enhance mixing. The mixer is adapted for modification and facile disassembly for cleaning to maintain sanitary standards.
REFERENCES:
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patent: 3988112 (1976-10-01), Johansson et al.
patent: 4468127 (1984-08-01), Agosta
patent: 4549813 (1985-10-01), Volz et al.
patent: 4655127 (1987-04-01), Skovhauge et al.
patent: 4784043 (1988-11-01), Kobayashi et al.
F. Kosikowski: "Cheesemaking by Ultrafiltration" Journal of Dairy Science, vol. 57, No. 4 1974, pp. 488-491.
Georges Peter J.
Yeung George C.
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