Twittern

The rotary fan – Old hat or technology with more potential?

• »1 Costs for a rotary fan for an operating period...

• »2 Fan wheel/guide wheel combination

• »3 Individual guide wheel

• »4 Nominal efficiency of asynchronous motors in...

• »5 Section through the Rotho MixAir drive unit

• »6 Function of an irregular gearing

• »7 Irregular gearing consisting of “four-cornered”...

• »8 Rotho MixAir air distributor (vertical section)

• »9 Rotho MixAir air distributor (horizontal...

• »10 Development of the free stream on the...

• »11 Development of the free stream on the...

• »12 Outflow profile over the height of the...

Rotho is expanding its innovative product range for the drying of heavy clay products to include rotary fans in different sizes and with different fittings. As before, rotary fans are still used in many sectors of the brick and tile industry for air recirculation. From an analysis carried out by the research department of Rotho it is apparent that there is still considerable potential for the more effective utilization of this technology, which is described in this article.

1 Introduction

But does the rotary fan still fit into a time, in which fast drying processes are establishing themselves increasingly and the call for energy-saving technologies is becoming louder and louder? In order to answer this question, various rotary fan designs were tested for their...