Furnaces

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Industrial furnaces for treating aluminium, copper or steel
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ITS HD5 Furnace
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Czech Republic, 511 01 Turnov - Daliměřice
ITS HD5 Furnace
KOHNLE Emulsion Bath System
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Czech Republic, 511 01 Turnov - Daliměřice
KOHNLE Emulsion Bath System
NABERTHERM R 50/500/3 muffle furnace
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Germany, 40472 Düsseldorf
NABERTHERM R 50/500/3 muffle furnace
JÖST Furnace Plant
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Czech Republic, 511 01 Turnov - Daliměřice
JÖST Furnace Plant

AEW Industrial Furnace
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United Kingdom (Great Britain), NR5 9JJ Norwich

AEW Industrial Furnace

CATTERSON-SMITH GG3 Industrial Furnace
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United Kingdom (Great Britain), NR5 9JJ Norwich

CATTERSON-SMITH GG3 Industrial Furnace

GEMCO CFSA Oven
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Netherlands, NL7101ND Winterswijk

GEMCO CFSA Oven

SER.TEC thermoforming press.
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Italy, 31048 San Biagio di Callalta

SER.TEC thermoforming press.

SIB DM HS Muffle furnace
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Italy, 60043 Cerreto D'Esi

SIB DM HS Muffle furnace

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
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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.