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Furnaces

Industrial furnaces for treating aluminium, copper or steel 4 Items
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Dimensions (l x w x h) approx. 10,000 x 1,600 x 2,200 mm
Year of manufacture unknown
Weight approx. 5,000 kg
Item available from immediately
Delivery terms FCA Šmartno pri Litiji, free on truck
Šmartno pri Litiji Slovenia, 1275 Šmartno pri Litiji
19/07/2022 09:36
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13,500 €
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Dimensions (l x w x h) approx. 15,000 x 13,000 x 10,000 mm
Year of manufacture 2019
Weight approx. 40,000 kg
Item available from immediately
Delivery terms FCA Felsőzsolca, loaded on truck
Felsőzsolca Hungary, 3561 Felsőzsolca
19/07/2022 09:50
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15,000 €
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Melting Crucible
Melting Crucible Furnaces
Dimensions (l x w x h) approx. 3,500 x 2,500 x 2,000 mm
Year of manufacture unknown
Weight approx. 3,500 kg
Item available from immediately
Delivery terms FCA Felsőzsolca, loaded on truck
Felsőzsolca Hungary, 3561 Felsőzsolca
19/07/2022 10:27
0 Bids
2,500 €
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Dimensions (l x w x h) approx. 4,900 x 2,600 x 2,000 mm
Year of manufacture unknown
Weight approx. 8,500 kg
Item available from immediately
Delivery terms FCA Felsőzsolca, loaded on truck
Felsőzsolca Hungary, 3561 Felsőzsolca
19/07/2022 10:23
0 Bids
1,000 €
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Raw materials such as iron ore, steel scrap, silica sand, etc. are liquefied in melting furnaces and further processed through casting processes. Furnaces are available in countless sizes and designs, such as the crucible furnace for melting smaller quantities of metal or the muffle furnace for laboratories. Locksmiths and blacksmiths use medium-sized furnaces. At the other end of the spectrum stand blast furnaces, cupola furnaces and large induction and arc furnaces. You will find the right kiln for your requirements at Surplex. Used, but from top manufacturers like GOLDBRUNN, NABERTHERM, EFCO or HINDENLANG.

A furnace is necessary for heat treatment, as well as precipitation and the separation of metals. There are small furnaces suitable for workshops as well as large furnaces that can be used in industry. Furnaces are mainly used for the recycling of non-ferrous metals and other valuable metals, as well as for recovering copper, lead, aluminium and zinc.

  • Heat treatment, precipitation and the separation of metals
  • Mainly used for the recycling of non-ferrous metals
  • A variety of workshop and industrial furnaces
Quality Great offers Personalized

The industrial furnace constructions have conveyor systems, processing plants, flue gas treatment equipment and heat recovery machines attached to them. Some manufacturers also provide integrated automatic systems. These companies are mainly specialised in producing large machines for the nonferrous metal industry. The smaller furnaces are more suitable for small workshops or hardening shops.

A furnace is made out of a basic frame, to which the actual oven is attached. Several layers of isolation and heating elements make up the internal part of the furnace. Even the types of covers that can swivel and lower, contain isolation. An emergency outlet is used as a safety precaution.

An electrical connection is in a separate cupboard. A controller is now common, in order to show the nominal-actual value difference and to control the furnace. Timers and PC-connectors are now also common.

The furnace was developed in order to separate specific metals from others. It was already necessary quite early on, to be able to separate precious metals from other materials. Now the furnace is mainly used for recycling. Therefore, a smaller, more power oven is necessary in order to be able to recover specific materials with a high level of purity. Larger versions were then added to the industrial sector as recycling systems.

The most common application for furnaces is the recovery of lead from car batteries, the separation of electronic waste and old cables, as well as the recycling of electric motors. Digital programming ensures that ovens are now very accurate in inputting the exact melting point of the desired metal.

Several companies have specialised in the manufacturing of furnaces. Some of the most recommended suppliers include NABERTHERM, KSK, SOLO SWISS GROUP, ENETEX, OTTO JUNKER, ABB, ACAT, and HEINRICH GRÜNEWALD.

To find those used machines at affordable prices it's useful to visit our industrial auctions regularly as the machine offer is constantly updated.

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