Aluminum Dross Recycling Furnace
GDR-B SERIES
The GDR-B Series scrap metal recycling furnace can recycle virtually any type of non-ferrous metal you throw in it. It will even handle mixed steel and aluminum scrap plus zinc scrap, copper scrap, brass scrap, bronze scrap, tin scrap, lead scrap and more. Find out how this furnace can change the way you do business. The GDR-B Series scrap recycling furnace is energy efficient and features a hydraulic tilting system that reduces operator fatigue from manual ladling and also features a portable remote controller for operator safety and pouring accuracy. Make your own metal ingots quickly and economically. The GDR-B Series is controlled by a PLC and a color HMI touch screen which optimizes performance, operation, and efficiency. This furnace is easy to use and simple to maintain. A scrap chute, a vibratory charger, and an ingot casting machine (conveyor) are all available as an option.
TECHNICAL OVERVIEW
The GDR‑B Series is engineered to maximize aluminum recovery from both hot and cold dross generated during melting, holding, and casting operations. Its rotary‑drum design mechanically breaks apart dross while exposing trapped metal to controlled heat, allowing more aluminum to separate from oxide layers. The furnace’s high‑efficiency burner system provides uniform heating, while the rotating drum ensures continuous agitation for optimal metal liberation. This combination significantly increases recovery rates, reduces waste volume, and lowers overall melt‑shop operating costs. For foundries seeking to reclaim valuable aluminum that would otherwise be lost, the GDR‑B Series delivers a reliable, high‑yield recycling solution.
Outsourcing dross processing adds transportation costs, delays metal return, and reduces control over recovery yield. The GDR‑B Series allows foundries to process dross on‑site, eliminating the need for third‑party services and ensuring that recovered aluminum is immediately available for re‑melting. Its rotary‑drum system provides superior metal separation compared to static or manual methods, producing higher recovery percentages and cleaner residual waste. By keeping the recycling process in‑house, facilities improve profitability, reduce environmental impact, and maintain tighter control over alloy chemistry and melt‑shop efficiency.
The GDR‑B Series combines robust mechanical design with efficient thermal processing to deliver consistent, high‑yield aluminum recovery. Its rotary drum provides continuous agitation for effective metal separation, while the gas‑fired burner system ensures stable, uniform heating. The furnace is lined with high‑durability refractory materials to withstand abrasive dross and high operating temperatures. Optional features include automated charging, variable drum speed control, and integrated metal tapping systems. With its high recovery efficiency, low operating costs, and rugged construction, the GDR‑B Series is a dependable solution for aluminum foundries, die‑casting plants, and secondary aluminum producers.
HIGH THERMAL EFFICIENCY BY DESIGN
We Add Multiple Layers of Insulation.
The result is excellent efficiency which means a furnace which not only burns less gas, but is actually not dangerous to touch.
THICKER INSULATION
We Add Way More Insulation to Our Furnaces Than Most Manufacturers.
The result is even greater efficiency and a solid, sturdy construction which is hard to beat.
EASY TO OPERATE INTERFACE
Greater Control - Means Greater Efficiency.
The GDR-B Series dross recycling furnaces feature state-of-the-art PLC control with large color HMI screens with easy to read graphics - all at no extra charge. See in real time all furnace functions and change any setting on the fly. Now that's control.
HIGH QUALITY HYDRAULIC POWER PACK
Reliable and Powerful.
Our hydraulic tilting system is can easily handle the weight of a full furnace safely and tilts smoothy without jerking or sudden speed changes which could destabilize the pouring.
REMOTE OPERATOR PENDANT
Added Safety and Convenience.
With our remote operator pendant which has 8 feet of cable, the operator can stand as close or as far as needed to ensure maximum safety.
VFD DRIVE BLOWER MOTORS
Better Efficiency and Lower Operating Cost.
Lots of air without control wastes a significant amount of energy. We use VFD Drives combined with Premium Inverter Duty Motors to give you greater RPM only when it is needed. All this translates into greater efficiency, lower operating costs, quieter operation, soft start and longer motor life. The advantage is clear. This is just one of the many ways we use to increase furnace efficiency, and reduce long term operating costs.
CHOOSE YOUR CONTROL SYSTEM
We Give You Options of PLC & HMI.
Select the control system that is best for you and easiest for your maintenance team.
HIGH QUALITY COMPONENTS
We Use Brand Name Components You Know and Already Use.
We use only the finest quality components that are open source and readily available locally in your area, or from our online parts store.
VIBRATORY CHARGER
Speeds Up and Simplifies Furnace Charging.
Our optional vibratory charger streamlines the whole process of furnace charging. It can handle dross plus virtually any other material in any shape (shown in two sections for shipping purposes).
HIGHEST RETURN ON INVESTMENT
We Give You More Furnace for Your Money.
To be competitive today’s economy requires that manufacturers run their operations more efficiently and cost effectively than ever before. We offer the highest ROI (return on investment) in the industry. Dynamo gives you high-quality products for a reasonable investment and with more features than any other company. Simply put, we give you the most value for your money!
REMOTE SERVICE
We Can Remotely Troubleshoot Your Furnace from Our Facility.
Our GDR-B Series dross recycling furnace includes a Remote Connectivity Unit which allows our furnace technicians to remotely check the performance of the furnace, make any needed changes to the program or HMI, or to troubleshoot it directly from our service center. The customer is only required to connect the unit to the Internet via an Ethernet cable. We handle the rest.
INDUSTRY 4.0 REMOTE MONITORING
Remotely Monitor Your Furnace Performance From Any Device.
As an option, all our furnaces are available with Industry 4.0 remote performance monitoring units which feature a custom dashboard. You can not only monitor furnace performance, but you can be notified before an issue occurs. Included are condition based maintenance reminders and shift performance statistics. Minimize impact of emergencies and maximize furnace uptime, and productivity. See what is going on with the furnace and your production from any device, anywhere in the world.
THREE STANDARD SIZES
Flexible Range of Applications.
Available from 835 lbs (alum) melting per hour to 2,645 lbs (alum) per hour, the GDR-B Series dross recycling furnaces can handle almost any aluminum recovery application.
| Standard | US / Imperial (Al) | Metric (Al) | ||
| Model | Holding | Melting/h | Holding | Melting/h |
| GDR-B-2200 | 2200 lb | 835 lb | 1000 kg | 380 kg |
| GDR-B-4400 | 4400 lb | 1670 lb | 2000 kg | 760 kg |
| GDR-B-6600 | 6600 lb | 2645 lb | 3000 kg | 1200 kg |
Applications For The GDR-B Series Aluminum Dross Recycling Furnace
The GDR‑B Series is engineered to extract maximum aluminum from both hot and cold dross generated during melting, holding, and casting operations. Its rotary‑drum action breaks apart dross mechanically while exposing trapped metal to controlled heat, significantly increasing recovery rates. This application is essential for foundries seeking to reduce metal loss and improve melt‑shop profitability.
Foundries that generate large volumes of dross can process it directly on‑site using the GDR‑B Series, eliminating the need for third‑party dross processors. On‑site recycling reduces transportation costs, shortens turnaround time, and ensures that recovered aluminum is immediately available for re‑melting. This improves operational efficiency and gives facilities full control over their metal recovery process.
Beyond standard dross, the GDR‑B Series can process skimmings, slag, furnace clean‑out material, and oxide‑rich by‑products. The rotary drum’s agitation and heating liberate entrapped aluminum from oxide layers, allowing facilities to reclaim valuable metal that would otherwise be discarded. This makes the furnace a versatile tool for comprehensive melt‑shop waste reduction.
Secondary aluminum producers rely on efficient dross recovery to maintain profitability. The GDR‑B Series provides the thermal stability and mechanical agitation needed to extract high‑purity aluminum from recycled feedstock. Recovered metal can be returned directly to melting furnaces, improving throughput and reducing reliance on primary aluminum ingots.
Die‑casting plants generate significant amounts of dross due to rapid cycling and frequent skimming. The GDR‑B Series helps these facilities recover aluminum that would otherwise be lost, reducing alloy consumption and lowering waste‑disposal costs. Automotive foundries benefit from improved sustainability metrics, reduced raw‑material spending, and more efficient melt‑shop operations.
Dross forms not only in melting furnaces but also in holding furnaces, transfer ladles, and casting stations. The GDR‑B Series allows facilities to consolidate and process all dross streams in a single system. Its robust refractory lining and efficient burner system ensure consistent performance even with variable dross compositions and moisture levels.
The GDR‑B Series supports environmental compliance by reducing the volume of oxide waste that must be landfilled. By recovering aluminum and minimizing residual waste, the furnace helps facilities meet sustainability targets and regulatory requirements. Lower waste output also reduces handling, storage, and transportation costs.
Recovered aluminum from the GDR‑B Series can be returned directly to melting furnaces for alloying or casting. This closed‑loop recycling approach improves material utilization and reduces dependence on purchased ingots. Foundries gain tighter control over alloy chemistry, lower raw‑material costs, and improved overall melt‑shop profitability.
Frequently Asked Questions About The GDR-B Series Aluminum Dross Recycling Furnace
The GDR‑B Series provides significantly higher aluminum recovery rates compared to manual skimming or outsourced processing. Its rotary‑drum design mechanically breaks apart dross while applying controlled heat, allowing trapped aluminum to separate efficiently from oxide layers. On‑site processing eliminates transportation costs, reduces turnaround time, and ensures that recovered aluminum is immediately available for re‑melting. This improves melt‑shop profitability, reduces waste, and gives foundries full control over their metal‑recovery process.
The rotating drum continuously agitates the dross, exposing more surface area to heat and breaking up oxide clusters that trap molten metal. This mechanical action, combined with uniform gas‑fired heating, allows aluminum droplets to coalesce and separate from the oxide matrix. The result is higher metal yield, cleaner recovered aluminum, and a smaller volume of residual waste. The rotary motion also ensures consistent processing even when dross composition varies.
The GDR‑B Series is designed to handle a wide range of aluminum by‑products, including hot dross, cold dross, skimmings, slag, furnace clean‑out material, and oxide‑rich residues. Its robust refractory lining and efficient burner system allow it to process materials with varying moisture content and oxide levels. This versatility makes the furnace a valuable tool for foundries seeking to reduce waste and reclaim aluminum from multiple stages of the melting and casting process.
By recovering aluminum that would otherwise be discarded, the GDR‑B Series significantly reduces the volume of oxide waste sent to landfills. This supports environmental compliance and helps facilities meet sustainability targets. Lower waste output also reduces handling, storage, and transportation costs. The furnace’s efficient burner system and durable refractory construction further minimize energy consumption and emissions during operation.
Yes — the GDR‑B Series aluminum dross recycling furnace is available throughout the United States, Canada, and Mexico. Aluminum foundries, die‑casting plants, and secondary aluminum producers rely on this system for high‑yield metal recovery, reduced waste, and improved melt‑shop efficiency. Units can be configured with various drum sizes, burner capacities, and automation options to meet specific production requirements.
Yes — the GDR‑B Series aluminum dross recycling furnace is supplied throughout the United States, Canada, and Mexico. Aluminum foundries, die‑casting plants, and secondary aluminum producers rely on this system for high‑yield metal recovery, reduced waste, and improved melt‑shop efficiency. Units can be configured with various drum sizes, burner capacities, and automation options to meet specific production requirements.
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