Tomoe Engineering Co., Ltd.

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  3. Gravity belt thickener

Gravity belt thickener

Gravity belt thickener

This belt type concentrator saves power and space and offers higher performance.

In March 2006, this belt type concentrator obtained construction technology review and certification from the Japan Institute of Wastewater Engineering and Technology.


  • Sewage sludge
  • Other


  1. Sludge that is difficult to concentrate can be concentrated to a high level of concentration.
  2. Sludge that does not sediment can be concentrated.
  3. High SS recovery rate
  4. Little installation space

    Since only the mixing valve is used to stir sludge and the coagulant, the belt type concentrator requires no coagulation tank and less installation space.

  5. Light installation weight
  6. Low power consumption

    The belt type concentrator realizes energy saving because it has no coagulation tank and does not require power for stirring.

  7. Easy to maintain
  8. Low initial cost

Enrichment mechanism of Gravity belt thickener

  1. It supplies grime and high polymer flocculant to a mixing valve separately and forms the cohesion fluke that stirring is to mix it, and is good in a mixing valve.
  2. After having stayed in a cohesion tank, the cohesion grime is supplied on a belt (product made in polyester) running in 8 - 40m/min.
  3. As for the cohesion grime, it is filtered gravity while moving to the concentration grime exit direction with the run of the belt. The filtration is promoted by the plow action of a professional cormorant taken down on a belt.
  4. I scratch it and take the concentration grime which arrived at the outlet after supply on a belt in approximately five seconds in a scraper and am exhausted. The concentration grime density is regulated by changing the angle of inclination of the lamp.
  5. The exhausted concentration grime is transferred to a retention tank in a batch while keeping liquid digit in a level gauge at the predetermined position.
  6. Navigate to the coagulation sludge supply after being washed in the wash water from the washing water jetting 0.6 MPa belt sludge taken scraped, again made filtration and concentration.
  7. Collect discharged wash water with detergents, wash washing water (approximately 10% of sludge quantity) increases the General SS recovery rate by sending it back to the supply tank sludge.

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