Preheating tower

The SATAREM design tower is composed by a series of cyclones connected each other and are arranged one on top of the other in a conventional way, however, each cyclone is designed with a technology that allows a relatively low pressure drop, compared to the amount of particles removed and a design that generates a few maintenance requirements and low operating costs.

Additionally, SATAREM takes care of every detail, that is why, to achieve optimal heat exchange, a blend feeding system is implemented in such a way that it breaks on a dispersion plate (Splash box).

The SATAREM Splash box system allows a better dispersion that makes heat exchange more effective. Additionally, our equipment has diffusers located over the duct area, generating more dispersion of the particles.

For the design of the preheating tower, SATAREM considers the following points:

  • Particle size feeding
  • Flow and temperature of gases at the kiln outlet
  • Residence time in the exchanger

In addition to the basic process requirements, SATAREM takes into account the considerations, needs and special requirements requested by the client.



        Through our pre-heating system we are able to meet the following objectives:

        • Better control of gas flow in relation to particle size
        • Minor pressure drops in the system
        • Lower fuel consumption
        • Reduction of kiln exhaust gases

        Our company can provide a complete preheater tower system, however, due to our versatility we can offer each of the equipment independently, like:

        • Cyclones
        • Splash Box
        • Cut-off valves

        In the new pre-calcination system that SATAREM implements, the raw material is suspended and dispersed in a hot gas stream.

        We have the experience to manufacture, supply and assemble several types of calcination systems:

        1. Inline Calciners
        2. Offline Calciners
        3. Separate Line Calciners

        With the SATAREM pre-calcination system, the following process improvement objectives are met:

        • More stable kiln operation due to better control by two fuel injection points
        • Better conditions for feeding raw material to the system
        • Low thermal load on the combustion zone
        • Reduction of fuel refractory consumption.
        • Better production capacities in installed kilns
        • Reduced circulation of volatile elements
        • Possibility of reducing NOX emissions
        • Possibility to use alternative fuels
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