From energy retrofits to HVAC overhauls, the case studies presented here wil show you how we’ve reduced building operations costs while improving energy efficiency for some of our clients.

Eaton Hall
Kaf Developments
Stackpole
Greenway Industries

Toronto Aerial Photo

Case study – Ventilation/Extraction system

The client

Greenway Industries - a non-ferrous scrap metal processing company having two oxygen-fueled back tilting rotary furnaces - one at 5 tons and one at 14 tons - processing over 5 million metric tons per month.

The challenge

DBS was asked to provide an environmentally-friendly extraction system with properly rated baghouses to maintain emissions below standards at a aluminum smelting operation for the rotary furnaces.

The scope of work

DBS designed, built and installed a complete extraction system including engineering, concrete foundations, structural steel, custom hood, ductwork, dust collectors (four modules) and computerized controls to modulate operation of dust collectors for maximum efficiency.

The results

Greenway realized increased production, decreased fixed costs of running both the furnaces and the extraction equipment and fewer system breakdowns. The new system provided a better interior environment for workers and minimized furnace down time. Greenway expects that to enjoy a significant life expectancy of the equipment.

Results have been such that a new rotary furnace will be put into operation with the same extraction system to achieve similar results.

Greenway Industries – an overview

Greenway Industries is an aluminum recycling company whch was spawned from a 55 year old non-ferrous scrap metal processing and trading company, Central Machinery & Metals.

Greenway set out to fill a void in the rotary reduction business throughout Ontario and the U.S. Northeast by utilizing an Oxygen-Fuel system. This system produces a hotter flame with fewer emissions and a decreased cycle time compared to conventional oil or gas burners.

Greenway is environmentally conscience, as it is not only the law but our also our method of operation. Our manufacturing facility boasts the ability to store both raw materials and finished sows indoors. This eliminates any worries of ground water contamination from leeching, while guaranteeing dry sows. All salt cake is containerized and shipped by licensed carriers to certified landfills. Both furnaces are vented through properly rated baghouses. A rigid maintenance program on all equipment, with good housekeeping practices rounds out their approach to efficient operations.