Techno Business Units

  • ANOXKALDNES
  • AQUAFLOW
  • BIOSOLIDS
  • BIOTHANE
  • EVALED
  • HYDROTECH
  • IDRAFLOT
  • IDRASCREEN
  • PMT

HIGARD™ Distributors

Distributors Systems

HiGARD™ state-of-the-art Distributors are designed to provide even distribution of the influent across the full cross-sectional area of the trickling filter media bed.

For smaller trickling filters, typically between 5 and 12 metre diameter, Veolia Water Technologies can offer our MiniGARD™ Distributors which contain all the benefits of the HiGARD™.

 

Features

The system is designed to provide even distribution of the influent across the full cross-sectional area of the trickling filter media bed.

The distributors include a trapezoidal or rectangular cross-sectional arm profile with fully adjustable, large diameter non-clog orifices integrated into the top arm section to provide accurate adjustment for even distribution of the flow. The design also includes flow spreader plates to ensure a curtain wall flow regime is maintained over the complete flow range.

The distributor is designed for minimum maintenance with top-mounted long-life bearings and motor drive unit, maintenance-free internal seal-less weirs, stabiliser assemblies, automatic lubrication system and quick release flush gates on the end of each arm.

Available in Aluminium alloy, Stainless Steel or GMS.

 

Components

Each distributor includes the following components:

 

Component

Feature

Centre inlet column (stationary)

Designed to withstand wind and eccentric loading on distributor arms

Upper bearing assembly

Located above wastewater elevation to avoid contamination and allow easy access. Lifespan of 10 years.

Distributor drum (rotating)

Sized to treat a variable inlet flow over a large range

Distributor arms

Includes wedge-tight, quick-opening clean out / flush gate at the end of each arm.

Distribution orifices

Inclined plate flow spreader plates ensure curtain wall flow regime over the design flow range. Large diameter non-clog overflow orifices.

Variable speed drive unit and control system

Optional

 

CASCADE Distributors

Cascade distributors uses the tubular arm concept, scientifically developed to provide an effective irrigation profile across the entire surface area of the filter bed.
Aerobic Wastewater Treatment

Distributors

Veolia Water Technologies offers the most effective rotating distribution systems available in the market, based on more than 35 years of designing, commissioning and operating aerobic fixed film systems (trickling filters).
Aerobic Wastewater Treatment