Fournier

Dewatering and Sludge Thickening

Fournier Industries Inc. specializes in the manufacturing of mechanical equipment and has done so since 1960. The company's technical abilities and expertise involve design, lab and pilot testing, commissioning, and training. The technical advances implemented in the FOURNIER PRESS are well demonstrated in numerous applications throughout the world.

THE FOURNIER PRESS TECHNOLOGY

The FOURNIER PRESS is a leader in municipal and industrial sludge dewatering technology. Its performance can be demonstrated through the use of Fournier's mobile pilot units. The principle of operation is simple. Sludge is fed into a rectangular channel and rotates between two parallel revolving stainless steel chrome plated screens. The filtrate passes through the screens as the flocculated sludge advances within the channel. The sludge continues to dewater as it travels around the channel, eventually forming a cake near the outlet side of the press. The frictional force of the slow moving screens (1-3 rpm), coupled with the controlled outlet restriction, results in the extrusion of a very dry cake. The benefits derived from using the FOURNIER ROTARY PRESS have been well documented and are translated into huge savings for the customer by means of performance, operation and maintenance. It is the only dewatering technology that is safe for stand-alone automatic operation and can be monitored remotely.

ADVANTAGES

Performance

  • Consistent high cake dryness - comparative to centrifuges
  • Competitive throughput
  • High capture rates
  • Reduced airborne contaminants due to a completely closed environment


Operation

  • Continuous process
  • Process completely enclosed - resulting in reduced odour concerns
  • Easy start-up and shut-down procedures
  • Simple operation
  • Little supervision required
  • Can be completely automated and controlled remotely


Maintenance

  • Robust construction
  • Small number of mechanical parts - minimal annual outlay
  • Slow rotation speed (1-3 rpm)
  • Reduced corrosive exposure to nearby equipment
  • Automated 5 minutes/day self-cleaning cycle (optional)


Economy

  • Savings on ultimate disposal costs
  • Minimal space requirements
  • Low maintenance costs
  • Reduced labour costs
  • Low energy consumption

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