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Single Screen Drum Channel Sewage Grinder

Single Screen Drum Channel Sewage Grinder

    The HC Single screen drum channel sewage grinders with double shaft cutters and one screen drum can be installed in various channels with different installation frame to reduce the size of solid waste, prevent blocking and protect the downstream equipments like pumps and valves from damage.

    The HC Single screen drum channel wastewater grinder is widely used in open channel of integrated prefabricated pump station, wastewater treatment plant, commercial and residential district pipe network engineering, sewage lifting project etc.

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  • Features
  • Specification

Working Principle:

 

Single screen drum channel wastewater grinder working principle1. Solid wastes contained in wastewater enter the HC single screen drum channel sewage grinder through open channel.

2. Solid wastes are captured and directed by the rotating screen drum into the cutting area.

3. Wastewater and small size solid wastes pass through the rotating screen drum.

4. Double shaft blades shred the solid wastes by rotating in opposite direction.

5. Solid wastes are reduced to 6 mm-12mm tiny particles without threat to downstream equipments and pass through the grinder.

 

Main Components:

 

Single screen drum channel sewage grinder main componentsHousing:

Sturdy and durable, ASTM A536 ductile cast iron

Shaft:

ANSI 4140 heat treated ally steel with surface harden;

Connected with cutters through six-slot spline.

Double shaft blades:

Low rotating speed, high torque, powerful, low noise

Cutters and spacers:

ANSI 4130 alloy steel with hardened surface, 45-55 HRC hardness;

Overlaid with Titanium is available;

Customize cutters with various construction and teeth number to meet different applications.

Mechanical seal assembly:

Tungsten carbide surface with Buna-N seal;

Pressure value up to 6.3 kg/cm².

Motor:

Dry & wet motor with IP 55 is available;

Submersible and anti-explosive IP 68 for use under water is available.

Planetary gear reducer:

Strong anti-shock ability.

Elastic coupling:

Shock absorbing and easy maintenance.

Side rails:

Increases flow capacity and decreases head loss;

Guides the solid wastes into the cutting area.

Screen drum: 

Stainless steel 304/316 rotating screen drum without shaft can avoid being entwined by rag or other trash.

Installation slot:

Easy and flexible installation cooperated with stainless steel installation frame, little or no civil work needed.

 

The HC singel screen drum channel wastewater grinder is suitable for larger channel with medium flow rate from 300 m³/hour to 2600 m³/hour.

 

Dimensions:

Single screen drum channel wastewater grinder dimensions, flow rate

Installation:

 

Single drum channel sewage grinder in Grundfos integral prefabricated pumping stationSingle drum channel sewage grinder in Grundfos integral prefabricated pumping station