Removing burnt bricks Black carbon is a major problem Poor working conditions Working conditions

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Design Features

Long Fire Zone

  • Enables a greater variety of fuels and clays to be used.
  • Allows for optimal combustion and energy extraction from fuel sources. 

Roof

  • Allows for the brick making season to be prolonged into the monsoon season (increase annual brick production).
  • The masonry is protected and therefore high energy costs associated with drying out wet kilns after every monsoon is eliminated.
  • Decrease costly repairs required from monsoonal damages.
  • Kiln workers are protected from the elements, working conditions are improved both day and night.                                   
  • Allows for water collection (drinking and sanitation).
  • Solar panels can be fitted/mounted to the roof and used to as a source of power for kiln operations i.e. fan and lighting.

Archless Design

  • Removal of large masonry arches in the design, decreases construction time.
  • Decrease construction costs.
  • Simplifies kiln maintenance.
  • Kiln is easily mechanised to allow for larger brick production i.e. fork lift access, for the setting and removal of bricks.

No tall Chimney

  • Not needed as draught is created through use of induced draught fan.
  • Decrease construction costs.
  • Decrease construction time.
  • Exhaust gases and vapour are minimised through near complete combustion, minimal emission creations are then released via a low, small chimney made of brick or iron which extends a short distance above the roof line.

Scalable Operating Mode

  • Options to operate in both a continuous or semi-continuous mode, allowing for smaller or larger outputs depending on operators requirements i.e. large scale (industrial) or small scale (village/rural setting). 
  • HZZK design is highly appropriate for clamp kiln replacement.
  • Flexibility in the source of power to drive the fan.
  • Kilns can operate successfully without access to the electrical grid.
  • Diesel or solar can be used as source power, when access to electrical grid unavailable.
  • Kiln has the smallest construction footprint (size), compared to other kilns.
  • Brick production requirements (output demand) determines the size/footprint of the kiln i.e. an increase or decrease in the number of kiln chambers.

Progressive mechanisation is easily accomplished

  • Kiln design can be altered to allow for use of forklift setting and removal of fired bricks.
  • Doors/wickets can also be altered in their size and sealing mechanisation, depending on kiln requirements and brick demands.
  • Increase in mechanisation/machine automation systems reduces handling of bricks and reduces risk of associated damage.
  • Automatic fuel feeders can be incorporated into the kilns design, enabling mechanised fuel distribution.

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