#Selection of #SCUM SKIMMER according to each treatment plant situation

Category

#pipe scumskimmer

(PIPE SCUM SKIMMER)

#HELICAL SCUM SKIMMER

1 BLADE

2 BLADE

Appearance

structure

•It is a simple structure that uses a pipe, stepping box, actuator, and link to tilt the pipe and bring in the scum at the front end along with the water.

•It is a structure where one blade is attached to the central axis with a helical twist at 180 degrees and the upper scum is removed by passing it to the trap.

•It is a structure where two blades are attached to the central axis and twisted in a helical manner at 180 degrees, and the upper scum is removed by passing it to the trap.

Advantages

•This is the most commonly used type in treatment plants.

•Controlled by ACTUATOR.

•In the case of a panel-built ACTUATOR, control is smooth from the center.

•The starting and ending points of the helical touch the water at the same time and scum is gathered in the center and removed, resulting in less scum loss.

•This is a type that is relatively commonly applied in treatment plants.

Cons

•There are a lot of pets.

• The flow is not smooth due to a bottleneck in the pipe.

• It cannot be removed from the rear end of the pipe and accumulates, rotting and producing a bad smell.

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•Only the floating scum is removed and the water flowing in is small, so if there is a lot of scum, it does not flow well in the waterway.

•Because the angle between the starting and ending points of the helical is 180 degrees wrong, the stump is lost at the end.

•Only the floating scum is removed and the water flowing in is small, so if there is a lot of scum, it does not flow well in the waterway.

Category

#HELICAL SCUM SKIMMER

#DUAL helical skimmer

#Freshing Helical Skimmer

Appearance

structure

•It is possible to remove scum at the rear end of the trough, which is installed on both sides of the two helical scum skimmer traps and cannot be removed.

•It can be used as a single power source.

•Two helical scum skimmers and scum blades are installed on both sides of the trough, making it possible to remove scum at the rear of the trough that cannot be removed.

•It can be used as a single power source, but when performing different crushing functions, a separate power source is required.

Advantages

•Can solve hardening or foul odor that cannot be removed from the rear end of the trough in existing helical scum skimmers or pipe scum skimmers.

•Can solve hardening or foul odor that cannot be removed from the rear end of the trough in existing helical scum skimmers or pipe scum skimmers.

•Disposal is possible by destroying thick suspended matter.

Cons

•Space for operation of the helical skimmer at the rear is required.

•Space for operation of the helical skimmer at the rear is required.

Category

#Rotary SCUM SKIMMER

(3 BLADE )

#CONE SCREW SCUM SKIMMER

Appearance

structure

Method of removing the upper SCUM by attaching a variable blade to the central axis

•In the case of bulky floating objects other than scum, the variable blade bends to reduce the load and has the function of removing it.

•A CONE-shaped screw is attached to the pipe and rotates to collect scum, and the scum is discharged to the outside by a trough installed on one edge.

Advantages

•Three parallel braids and the end of the braid have a loss prevention plate to prevent loss of scum of the 2-blade helical.

•Continuous processing makes it suitable for areas where DAF or scum occurs frequently.

•Not affected by water level fluctuations.

•It does not flow in from the front like a pipe scum skimmer, but rather flows in with supernatant along the length of the trough, so there is less waste water.

•A CONE-shaped screw is attached to prevent scum from flowing out again.

Cons

•The pipe and braid are larger in the center than the helical, so more space is needed.

•It is difficult to manufacture, and the screw rotation power and trap opening/closing power are controlled separately.

1. The leakage of the dipper of the dipper type scum skimmer is not durable due to the urethane or PVC injection seal.

2. Due to a leak in the dipper seal, it does not function as a scum skimmer at all and floating matter is not removed.

3. Maintenance is difficult.

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1. Scum is not removed from the rear end of the pipe scum skimmer.

2. SCUM that is not removed at the rear of the pipe skimmer rots and generates larvae and bad smell.

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