- Coal mines & minerals
- Aggregates sand & gravel
- Marble & Stone cutting
- Recycling & soil washing
Matec uses stainless steel to guarantee its clarifiers a long-lasting working life.
A pressure sensor can be placed on a membrane at the bottom of the cone of the silo. The discharging valve opens only when the required density is reached.
SILOS DEEP CONE – VERTICAL THICKENER
The vertical decanters are based on the principle of static decantation and the natural precipitation of suspended solid particles. During decantation occurring inside Matec decanters, the solid particles (the mud) sink down to the bottom of the structure, while the clean water overflows into the drainage system at the top and it is discharged in a dedicated tank or pit (clean water tank).
The sedimentation of the sludge at the bottom of the silo is speeded up by using a polyelectrolyte (flocculant), while the custom design and dimensions create a water column which presses over the sludge, and guarantee the required thickness of the mud.
The shape of the Matec vertical decanter, the right proportion between the cone and the upper cylinder, has been developed thanks to our experience in the filtration of waste water.
The cone’s inclination degree perfects the thickening of the mud and the upper cylinder can be used also an extra stocking space.
HORIZONTAL RAKE THICKENER
The horizontal decanters are ideal for the largest water flows. They have a limited height and are provided with an upper sludge thickening system.
Horizontal decanters are made of stainless steel in their middle and large versions, while the largest ones are made of concrete. The decantation principle is more or less the same occurring in vertical decanters. The rake mechanism stirs the sludge through its rotation movement pushing it to the bottom.
The discharging is automatic and adjusted to the rake effort, in order to reach the desired thickness. Sensors will give the opening input to the thickener discharging valve and the sludge will go through, to the Bifang.
WHEN A HORIZONTAL THICKENER
24 meter width for the top of the range horizontal rake thickener by Matec.
We usually suggest this typology of clarifier when the needed vertical decanters would exceed a 9 meter height.
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2000X2000-200 PLATES X4
Location South Africa
LPM 3000 / GPM 8100
1500X2000 – 120 PLATES
TPH 700 m3
LPM 28000 / GPM 7567
1500×1500 – 100 PLATES X2
LPM / GPM