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MEI Online: Plant Operation News: Europe: January 28th 2005

 
 

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:: KHD Supplies a new 2,300 t/d Kiln Line - Semi-wet Process - Staroalexjeewskij Cement Plant

The customer OAO Mordowzement in Komsomolski, Republic of Mordowia, Russia, placed an order with the KHD Humboldt Wedag AG, Cologne, and its subsidiary, ZAB-Industrietechnik & Service GmbH in Dessau, for a new kiln line with a capacity of 2,300 t/d of clinker based on the semi-wet process.

OAO Mordowzement is one of the most important cement producers in Russia. The new line will be set up in the Staroalexjeewskij cement production plant adjacent to the already existing 4 kiln lines.

The semi-wet process of KHD Humboldt Wedag combines the utilisation of the available cement raw slurry capacities with the most modern technology of the drying process after the raw material feed to the preheater.

The optimal integration of the existing cement raw slurry processing system and the existing store and grinding section for clinker offers decisive advantages such as:

  • reduced realisation times,
  • relatively low investment costs,
  • largely unrestricted continuation of the production during the construction phase.

Finally, with the new kiln plant, 2,300 t/d of clinker will be produced, the heat consumption of 3,559 kJ/kg or 850 kcal/kg of clinker being nearly halved compared to the existing wet kiln line.

Beyond the slurry dewatering plant using chamber filter presses, the supplies comprise the following products of the KHD Humboldt Wedag AG:

  • Impact hammer mill with flash dryer and high-efficiency separation cyclones,
  • 3-stage preheater with PYROCLON®-R calciner and PYROTOP®-compact
  • mixing chamber, PYROCLON®-burner and tertiary air duct,
  • PYRORAPID® rotary kiln on two piers of 4.0m diameter and 47.0m length,
  • PYRO-JET® kiln burner,
  • KHD clinker cooler with clinker crusher of latest design.

The clinker production is scheduled to be started in 2006.

With the semi-wet process of KHD Humboldt Wedag the cement plant operators are now availing on a second technology variant for the modernisation and extension of old energy-consuming cement works beyond the classical drying process.

 

 

   

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