. Condensed milk and milk powder, prepared for the use of milk condenseries, dairy students and pure food departments. Condensed milk. Continuous Process Evaporators 135 baffle plate which extends across its cylindrical part and leaves openings at both ends of the vapor body for the vapors to escape, the ends or heads of the vapor body being dished outward. The vapor body also carries the milk inlet, vapor outlet and spy glasses. The steam chest which is attached to the lower part of the vapor body, is divided by a solid partition into two compart- ments. The upper and larger compartment is fi
. Condensed milk and milk powder, prepared for the use of milk condenseries, dairy students and pure food departments. Condensed milk. Continuous Process Evaporators 135 baffle plate which extends across its cylindrical part and leaves openings at both ends of the vapor body for the vapors to escape, the ends or heads of the vapor body being dished outward. The vapor body also carries the milk inlet, vapor outlet and spy glasses. The steam chest which is attached to the lower part of the vapor body, is divided by a solid partition into two compart- ments. The upper and larger compartment is filled with tubes which are expanded in the flue-sheets, closing both ends. The tubes themselves are open at both ends. They are two inches in diameter and from six to eight feet long. The lower and small compartment, called the doAvntake, is entirely open at both ends. The steam chest is equipped with a steam inlet, a liquor outlet and a condensation outlet or drip. The steam is around the tubes and the milk is inside the tubes. —This machine is operated under vacuum of from 26 to 28 inches mercury column, the vapor outlet being connected with a condenser and vacuum pump. The fluid milk enters the vapor body and flows down into the bottom of the downtake of the steam chest, from where it rises in the tubes and finds its level. The level of the milk in the tubes is kept low, the co- effijcient of the heat transmission being highest when the milk level in the tubes is about one-third of the tube length above the lower flue- plate, and it is regulated by automatic float controls in the larger machines. The steam that is turned into the steam chest, causes the milk in the tubes to boil. The vapor thus arising from the milk, together with a portion of the milk rises through ^Vapor ootlet irtTERNAu Separator. lonperuATiON OuikKi Liquor ootlct AMOCKAIM Fig. 51. Cross section of Buflovak rapid circuiation evaporator Courtesy of Buffalo Foundry & Machine
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Keywords: ., bookauthorhunzikerottofrederick, bookcentury1900, bookdecade1910
