INCINERATORS
Macroburn Incinerators use multiple techniques for the elimination of
dioxins and furans. Further reduction of halogens is achieved by the addition
of a neutralizing agent. MACROtec have developed a system that makes the
neutralizing agent highly effective. This ensures that most of the halogen
is neutralized BEFORE it has time to form dioxin or furan.
If any halogen escapes the neutralization and some dioxin or furan is
formed, MACROburn also destroys the dioxins and furans by high temperature
combustion combined with massive excess air, turbulence for mixing and
long retention time. The high temperature destruction releases the halogens.
These are neutralised by excess neutralizing agent in the flue gases and
the filter.
MACROBURN INCINERATORS ELIMINATE EMISSIONS
AT SOURCE
They achieve through a very sophisticated system to CONTROL OF THE RATE
OF COMBUSTION.
FOUR ELEMENTS OF COMBUSTION CONTROL:
- 1. Heat, air and hot gases in the primary chamber move in a vortex with horizontal axis. Temperature differential and the release of volatiles from the fire-bed interrupt the vortex and deflect the heat and air into the second chamber. This provides A MODULATED SUPPLY OF HEAT AND AIR to the fire-bed and controls the Rate of Combustion.
- A portion of the primary air is induced by negative pressure (draught) in the primary chamber. Excessive burning causes a pressure build-up and reduces the amount of air induced. The Rate of Combustion is reduced accordingly.
- Air for secondary combustion is induced by VENTURI ACTION. An increase in the volume and velocity of the gas stream increases the venturi effect and the volume of secondary air. This automatically compensates for the reduction in primary air mentioned in the previous paragraph.
- Natural draught chimneys on MACROburn incinerators provide an automatic
increase in draught as the chimney temperature increases.
- The four control elements are fully modulating.
- Control is achieved without the use of moving parts.
- The system is simple and effective and will not wear out.
- Burners mounted on the primary chamber perform both primary and secondary functions.
- Almost instantaneous diversion of heat and air from primary to
secondary provides
correspondingly rapid adjustment of the conditions required for optimal combustion.
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