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Melting furnaces

Metallurgy
Leading-edge technology for your aluminum casthouse

With its modern melting technology, the SMS group company Hertwich Engineering has influenced the industry in recent years. This includes innovations for single-chamber furnaces, multi-chamber furnaces and Universal Rotary Tilting Furnaces (URTFs), but also in the field of chip remelting plants and scrap charging machines. Melting furnaces from Hertwich are characterized by energy efficiency and a high metal yield. This is what makes the recycling of aluminum scrap possible in the first place. Together with casting and heat treatment lines as well as quality inspection and packaging equipment, this results in an automated plant concept for the entire production process: the Compact Type Remelt Plant (CTRP).

Concepts

Single-chamber melting and casting furnaces

Generally, single-chamber furnaces come at comparatively low investment cost. That's because the furnace design is simple: either rectangular or round, depending on your individual application.

Hertwich supplies rectangular ovens. These feature a front door across the entire furnace width. This ensures full access during charging and skimming. Furnaces are designed either for hydraulic tilting – such as casting furnaces – or as stationary types.

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Multi-chamber furnace

Ecomelt type furnace

Another highlight besides our Single chamber furnaces is the Hertwich Ecomelt type furnace. Despite the various strategic design criteria, detailed multi chamber furnace design is flexible to meet individual specifications and capacities. The Hertwich multichamber furnaces Ecomelt PS and Ecomelt PR are designed according to different principles.

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Universal rotary tilting furnaces

(URTF)

Typically, secondary recyclers use the URTF type for melting dross and low-grade scrap (with organic impurities >10%) or material with a high iron content. Available here is a wide range of sizes from 3 to 20 m3 (6 to 40 tons) and melting rates from 1.5 to 8 tons per hour. You can also choose from a broad tilting range of between -20 and +40°. As a unique feature, the furnace can be operated at various tilting angles from -20 to -10°. The backward tilt of -20° facilitates quick charging. You benefit from the high degree of automation for charging, melting, tapping, and slag tilting. That's because it takes only one operator plus one supervisor per shift to operate the furnace. You can cut costs even further because the oxy-fuel burner system comes with short cycle times and correspondingly high melting rates.

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Compact-type remelt plants

(CTRP)

It is a unique, integrated, continuously operated, fully automated solution. The process runs from scrap handling and goes right through to cut-to-length, homogenized billets. The CTRP is ideal if you are remelting your own turn-around scrap as well as scrap from the market to produce extrusion or forging billets.

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Chip remelting plants

These are furnaces that are specifically designed for melting loose swarf and light-gage scrap. The design is a result of extensive in-house R&D aimed at achieving outstanding cost-effectiveness and green operation.

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Scrap charging machines

Whatever your requirements, Hertwich supplies the right type and size of charging machine to suit you. Here are some typical examples:

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Rotary-Type Charging Machine

Capacity: 1.8 m3
Charging load: 2 t
Standard model typically employed in combination with HE-CTRP two chamber furnace. 

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Rotary-Type Charging Machine with scrap bin pick up system

Capacity: 3 m3
Charging load: 1.5 t
Standard model frequently used in combination with HE-CTRP three-chamber furnace featuring scrap bin storage magazine

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Multi-purpose Charging & Skimming Machine

Rotary-type charging machine with combined scrap bin and skimmer rack pickup system.

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Pusher Type Charging Machine

Capacity: 55 m3
Charging load: 14 t
Model suitable for quick charging of voluminous light gauge scrap

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Rail-bound Skimming Machine

Heavy and rugged design for precise skimming.

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Retractable Floor Type Charging Machine

Capacity: 18 m3
Charging load: 5 t
Ideal for safe and precise depositing of scrap onto the dry hearth section of furnaces

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Vibratory Chute Charging Machine

Capacity: 8 m3
Charging load: 6 t
Standard model for charging dross and low-grade scrap into HE-URTF furnace

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Pusher Type Charging Machine

Capacity: 18 m3
Charging load: 20 t
Heavy and rugged design for trouble-free operation

Contact

SMSgroup Deubler, Elke

Elke Deubler

Hertwich Engineering GmbH
Prof. Weinberger-Straße 6
5280 Braunau am Inn
Austria

Phone : +43 7722 806 112

SMSgroup Wimroither, Günther

Günther Wimroither

Hertwich Engineering GmbH
Prof. Weinberger-Straße 6
5280 Braunau am Inn
Austria

Phone : +43 7722 806 -112

SMSgroup Oberweger, Thomas

Thomas Oberweger

Hertwich Engineering GmbH
Prof. Weinberger-Straße 6
5280 Braunau am Inn
Austria

Phone : +43 7722 806 112