A Simple and Inexpensive Evaporator Entrainment Separator

Use of angle iron separators in two evaporator vessels at Darnall resulted in a marked reduction in entrainment rates. Efficiencies in excess of 90% were observed with negligible pressure differential across the separator. Separator efficiency can be evaluated rapidly by using a centrally based Auto-Analyser. Introduction To avoid sugar losses by entrainment, all evaporator vessels are fitted with some means of separating droplets of juice from the vapour stream. Numerous designs of "save-alls" or "entrainment separators" are currently in use, the principle of operation being that from a change in direction and velocity of the vapour, small droplets of juice are collected and returned to the juice surface. Evaporator Station The layout of the evaporator station at Darnall is described in Figure 1 showing the steam flow only. It should be noted that while Fletcher 2 supplies vapour to Fletcher 3 and 4 in parallel, the juice remains series connected.