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Incineration Unit model FI

This plant has been conceived with a technology essentially based on the process of a controlled pyrolysis of the organic components with a subsequent thermal destruction of the latter into gas and contemporary calcination of the inorganic waste.

This plant is in conformity with environmental regulations pollution, completing respecting emission allowances. 

The greatest problem with the incineration process has always been represented by the emission, with consequent issues, of unburnt substances and particulate; this system solves this problem at the origin, acting in absence of turbulence inside the combustion chamber. 

This technical solution is of particular importance to goldsmith companies because the absence of turbulence avoids that part of the precious metals (reduced at this point of the process to a dust) can be lost in the environment, preventing their recovery.  
  • Residual ashes are absolutely inactive because the calcination of the material eliminates all organic parts; this assures a nearly complete recovery of the metal. NOTE: the elimination of organic parts involves the absence of carbonaceous residues; such residues can be the cause of loss of precious material during the following melting phase.
  • It directly guarantees the passage of the fumes "in flame" and therefore at a constant temperature of over 1300 °C (flame temperature). Note: an important parameter kept in great consideration by designers of after burners is the contact percentage air to be purified-flame combustion that has to be the highest possible; assuring a permanence of the fumes at a determined temperature is not in fact enough to guarantee the correct destruction of the polluting substances; with this system thanks to the particular geometry of the chamber and the primary burner, this percentage of contact is elevated infact the polluting gases are not simply made to pass in the flame but they directly go to feed it.
It doesn't produce toxic fumes because it doesn't already produce them preliminarily during the combustion phase and the absence of particluate in the fumes guarantee absence of slime in the washer.
      F1 50   F1 160   F1 200  
  Stainless steel reactor capacity   50 l   160 l   200 l  
  Hourly treatment capacity   1-2 kg/h   8-10 kg/h   12 kg/h  
  Elecrical power supply   3 kW   5 kW   5 kW  
  Nominal power   10 kW   40 kW   40 kW  
  Maximum power   30 kW   60 kW   60 kW  
  Working temperature   900°C   900°C   900°C  
  Maximum temperature   1200°C   1200°C   1200°C  
  Gas supply standard pressure   20-40 mbar   20-40 mbar   20-40 mbar  
  Dimensions (mm)   1600x1600x2900   1600x1600x2900   1600x1600x2900  
  Weight   500 kg   950 kg   1000 kg  
  Necessary room's surface   20 m² with 3 m height   20 m² with 3 m height   20 m² with 3 m height  

polishing furnace ( Gekrätzofen)

These plants are used to burn goldsmith scraps, photographic material and circuit boards. The plant is controlled by a centralised and computerised control panel with synoptic functions on a touch-screen display where all relative parameters can be monitored.

The combustion temperature of the material to be burnt is controlled by automatically dosing the quantity of air sent beneath the grill in order to maintain a constant generation of fumes. The latter is important as it allows the after-burner to completely burn off any unbent substances present in the fumes and respect the two second dwelling time of the fumes inside the after-burner, as requested by the European laws.

The working temperature of the after-burner is regulated by a thermoregulator which in turn regulates the burner (either methane or propane).
The incineration furnace is supplied with a trolley on wheels where ashes are collected.

The temperature of the fumes exiting the after-burner are lowered by three stainless steel AISI 316 tube heat exchangers before entering the self-cleaning sleeve filter.
Koras GmbH | Hauptstraße 66 | D-75331 Engelsbrand
Telefon 07082 - 792 83-00 | Fax 07082 - 792 83-28 | Email
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