FINE SCREEN

GTS – ROTARY RAKE DRUM SCREEN

Our GTS – ROTARY RAKE DRUM SCREEN is designed for the fine screening of municipal and industrial waste
water.
The GTS separates the solid from the wastewater, transporting and compacting the screening and can reach a dry percentage of 35%. The screen zone consists in a drum made by bars, a cleaning rake that rotates together with the screening conveying spiral. There is also a washing system and a system to clean the rake too. The spiral rotates on the U shape channel with the same mesh size as the spacing between the bars. The equipment consists in a drum screen made by bars at a certain distance and this distance is the screening size; a cleaning rake in the screening zone, a conveyor to transport the solid to the compaction and discharge zone.
It is easy to inspect in every part and this make the ordinary and extraordinary maintenance very easy.

 

SMCH – MULTI BRUSHED HOLED SCREEN

Our SMCH – MULTI BRUSHED HOLED SCREEN is the fine screen variant of the SMC - Multi Raked Bar Screen. The SMCH, as the SMC, consists in a Stainless Steel frame and is designed to be positioned in a channel with a 75° inclination; the substantial difference is in the filtration zone, where the machine is equipped with a stainless steel holed sheet with a spacing Ø between 2 and 10mm, instead of bars. The wastewater, passing into the screen, is filtered and once the water level reaches the preset level, it automatically activates the cleaning system of the filter screen.
This system is quite similar to the one proposed in the SMC - Multi Raked Bar Screen, but instead of the
combs, brushes perform the cleaning and shipping operation until reaching the discharge placed on the top.

 

SSW – STEP SCREEN

Our SSW – STEP SCREEN is a great solution for medium depuration plants and it’s based on the same
constructive principles of the SMC - Multi Raked Bar Screen but with substantial differences.
The machine has been created for a “in channel” installation with a 45° inclination until a 55° maximum and
has a unique filtration system made by alternate fixed and mobile serrated lamellae.
These lamellae perform the functions of screening and transport at the same time and when the wastewater
is filtered, the resulting effluents are blocked by the lamellae and transported to the discharge.
Thanks to the lamellae serration, the transport of the waste to the discharge works step by step with an
eccentric movement of the mobile lamellae relative to fixed ones.

 

CFC – SCREW SCREEN COMPACTOR

CFC – Screw Screen Compactor

CFC-T– in Tank

CFVC – Vertical Screw Screen Compactor

Our CFC – SCREW SCREEN COMPACTOR is the more complete variant, with a compactor zone next to the discharge, which allows an important reduction in weight and volume of filtered waste (up to 50% less). The machine can be installed inclined (between 35 ° and 45 ° depending on the needs) into a concrete channel or in a stainless steel tank to receive the wastewaters from a fixed pipe; this version is called CFT-C SCREW SCREEN COMPACTOR IN TANK.

The CFV – VERTICAL SCREW SCREEN COMPACTOR is the variant developed for vertical installation and offers the same efficient and durable functions of the CFC – SCREW SCREEN COMPACTOR. The filtration zone for all the variant of the SCREW SCREEN is made up by a holed sheet (circular holes from 2 to 6mm) or in trapezoidal profile Wedge Wire net (spacing 0.25mm – 2mm) which filters the wastewater holding back the waste. Into this zone, the shaftless screw is equipped with brushes for the cleaning of the filter, at this scope, there’s a washing sieve system activatable by a manual valve or through solenoid valve (optional). The transport zone is made up by an auger and the continuation of the shaftless screw . The screw, when activated by gear motor, rotates on itself picking and transporting waste until the discharge outlet, placed on the top of the machine.
 

 

CF/S – SMALL SCREW SCREEN

Our CF/S – SMALL SCREW SCREEN gives the same features of the CF – SCREW SCREEN in a compact package.
It features a screen basket in perforated sheet or wedge wire, that acts as a filter, followed by the transport
section and a discharge spout that can be provided with a chute or a bagging system.
Screenings are conveyed by a shaft provided in the screen basket section with bolted plastic brushes to keep
the basket clean. The machine is usually installed with inlet pipe.

 

EFD – ROTARY DRUM STRAINER

Our EFD – ROTARY DRUM STRAINER the ideal machine for the separation of suspended particles present in
wastewater.
The slurry that has to be treated enters the tank through the entrance and is distributed over the entire
length of the drum. The slow rotation of the drum separates the material in suspension in the water and is
transported in front of the machine and discharged by a scraper.
While the waste remains in the external part of the drum water it is filtered by the sieve and passes through
the drum and is collected in a tank, positioned below the machine.
The drum is kept clean by the double passage of water and by high pressure wash, and consists of perforated
networks in wedge wire profiles and two side closures and inspected made of stainless steel.

 

IFD – INTERNAL DRUM STRAINER

Our IFD – INTERNAL DRUM STRAINER is a machine for wastewater treatment with an interchangeable

filtration basket.

The frame is made of stainless steel and the internal drum is made of holed sheets (circular holes from 2 to

6mm) or by a trapezoidal profile Wedge Wire stainless steel net (spacing 0.25mm – 2mm) that filters the

water retaining, in the drum , the solid waste .

The wastewater enters the machine , accesses inside the rotating basket and is filtered. A plate welded to a

helix within the basket conveys thanks to the slow rotation of the resulting materials towards the discharge

outlet.

The internal or external cleaning system: high pressure water sprays and removes all types of stuck material

on the surface of the filter screen .

This system can be activated manually, or programmed to operate at need.

 

FRT – PERFORATED DRUM SCREEN

Our perforated drum screen FRT is designed to use as much as possible surface of the screening drum,

reducing the space for the operation.

The screening is made on all the side of the drum (frontal, rear and lower) maximising the contact surface

between the drum screen and the waste water flow.

The screening is discharged from the upper area and can be directly collected in a bin or in a compactor, if a

higher dryness is necessary.

 

GTR – ROTRARY DRUM SCREEN

Our GTR – ROTARY DRUM SCREEN with or without the compactor is a machine usable for solid/liquid

separation in case of a big water flowrate.

This machine is composed by a screen basket in a holed sheet (circular holes from 2 to 6mm) or in a

trapezoidal profile Wedge Wire stainless steel net (spacing 0.25mm – 2mm) which filter the waters holding

back the solid particles.

This sieve rotates together with the transport screw and moves the resulting materials up to the compaction

and dehydration zone where they’ll be discharged allowing a reduction of volume and weight of that waste

by over 40%.

The machine can be installed inclined (between 35 ° and 45 ° depending on the needs) into a concrete

channel or in a stainless steel tank to receive the waste waters from a fixed pipe; this version is called GTR-T

– ROTARY DRUM SCREEN IN TANK.

The GTR – ROTARY DRUM SCREEN is supplied with a single gear motor which moves the screw and the sieve

together, but it can be equipped with two separate gear motors (one for the screw rotation and one for the

sieve rotation); this version is called GTR-D – DUAL ROTARY DRUM SCREEN.

This version is particularly recommended when in the wastewater a large amount of solid waste to be

filtered is present. The double motorization guarantees the independence of the two rotary elements of the

machine (screw and sieve) and consequently a greater reliability and sturdiness of the entire system.

 

DFH – DISK FILTER

Our DFH – DISK FILTER is one of the most technologically advanced filtration solutions on the market and is

the latest step in a modern system of waste water filtration.

Every disc is composed by eight plastic looms with 20 micron filtering frame in stainless steel, and every

loom is fixed at the central octagonal pipe.

The wastewater, once has entered, falls into the discs by gravity and is filtered by the frame.

The filtered water is collected in the stainless steel tank.

In a first moment the disks are in rest position (immobile) until their filter is occluded, causing a water level

increase into the disks and the pipe.

This water level increase is detected by a sensor which activates the gear motor and therefore the disks

rotation.

This rotation, together with the high pressure washing, cleans the frame by the materials which falls down

into an inclined discharge hopper which transfers the material to the outside thanks the dedicated outlet.

The DFH can be manufactured in Stainless Steel AISI304-316 (L), and are fully customizable according to the

customer’s needs. However we provide a standard version to help the customer in his choice.

DFH22-6

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