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Tangential blending silo

Tangential blending silo

The tangential blending silo is used for storing and homogenising the raw meal. It consists of the silo shell, the distributing system, the inner cone, the aeration surface with the discharge systems, the central mixing chamber, the aeration system and the dust collection filter.

Feeding of raw meal into the silo is carried out via the distributing system. In comparison with the conventional blending silo, the number of feed arms is greater, and there is a central feed point. Feed points (external or central) that are activated alternately by means of a control system are designed to avoid the accumulation, in certain areas, of coarser raw-meal grain fractions that fall straight down. Thus, even during the filling process, segregation of the raw meal is counteracted.

The tangential blending silo stands out due to its unique aeration floor that covers almost the entire ring area, thus ensuring optimum aeration of the raw material. The material can be fluidised and discharged at all points in the silo floor area. The aeration floor has a modular and compact design. Assembly is easy, safe and therefore cost-effective. The raw meal discharged from different sectors of the tangential blending silo is homogenised again in the downstream mixing chamber. The mixing chamber stands on load cells, which means that the downstream kiln feed dosing system can also be calibrated. No additional calibration container is necessary.

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