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Structure and working principles of the dryer

The structure of the circulative impinging stream dryer developed is sketched in Fig. 6.13, in which the flow configuration of vertical two impinging streams is employed. The equipment consists of three basic parts mounted co-axially the body, the upper and the lower accelerating tubes. The body is of a conical/cylindrical shape with different diameters. The lower-middle part of the body is a cylinder with a relatively [Pg.135]

It can be seen that in the arrangement of flow configuration CISD is somewhat similar to that of the batch IS dryer shown in Fig. 6.12, while the others are quite different. The CISD can be considered to be a combination of a spouted bed with central duct and impinging streams. The lower accelerating tube in CISD is equivalent to the central duct in a spouted bed but the operating velocity in the former is usually much higher than in the latter. [Pg.137]

The research and development of CISD is carried out in two stages laboratory experiments and pilot plant tests. [Pg.137]


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