MELTING DEPARTMENT

MEDIUM FREQUENCY INDUCTION MELTING FURNACE TYPE FIM/10NT

The furnace is ideal to melt precious metals. All ITALIMPIANTI ORAFI induction melting furnaces are fitted with static frequency converters.

A high efficiency of the electrical output that drastically reduces electricity consumption, maintaining the production rate, is obtained by the frequency conversion system used.

The modular construction of the electric circuit board greatly simplifies maintenance operations and guarantees high reliability even in the most demanding working conditions.

The highest technical standards used to design the inductors along with the modular construction and the use of only high quality materials guarantee maximum production even in the worst conditions.

Technical Data

• Rapid interchangeability of the crucible
• Protection of the metal while melting by an inert gas
• Manual extraction of the crucible using the appropriate pincers
• Automatic temperature control of the metal
• Absorbed power : 10 kW
• Power output : 9.5 kW
• Required quantity of the cooling water : 20 lt/min
• Capacity of the crucible : 13.5 Kg of Au
• Melting time : 15 minutes
• Dimensions : 485x510x915 mm (LxWxH)
• Weight : Approx. 216 Kg

» Display monitoring of the working parameters of converter as tension and absorbed power

» Computerised alarm diagnostics to sensor as many as 12 alarms or warnings which the worker must take note of for the system to work properly. Instructions and advice are shown on the display.

» Closed ring power regulation which allows the system to absorb the set power regardless of the quantity and type of metal to melt.

» Threephase power-supply transformer :

• Nominal tension : depends on where the machines
• Allowed fluctuation of the electrical mains : +/- 10%

» Pulse stirring function for special alloys

Water chilling unit model FRIGO/15

These chilling units are ideal for all cases where it is important to keep the temperature of the cooling water within certain limits. Suggested uses are with :

• Water cooled induction melting furnaces
• Trichloroethylene degreasing machines
• Brazing belt furnaces
• Deoxidation furnaces
• Fumes condensors for hollowing and refining plants.

Technical characteristics

• Cooling output Frig/h : 6560
• Power 4 kW
• Tank capacity 60 lt
• Dimensions 560x1250x750 (LxWxH)
• Weight 127 Kg
• Power supply Threephase

GRAIN PRODUCTION TANK TYPE RPG/E

The container is used both for the production of metal balls and of fine sand (dimensions : 1-2 mm3) used for refining.

It is made entirely out of stainless steel and is cylindrical in shape. It can be easily tilted to recover the grains. It is also fitted with a centrifugal pump to circulate the water as well as to empty the tank.

TECHNICAL DATA

• Power supply : three-phase
• Power : 0.4 Kw
• Capacity :150 lt
• Overall dimensions : 900x900x1200mm (length-width- height)
• Weight : 50 Kg

AQUA REGIA REFINING DEPT.

REFINING TUMBLER UNIT TYPE IAO/BR50

This refining system consists of a hollow PPL tumbler with a total volume of about 100 litres and a useful capacity of about 50 litres (acids plus gold grains). The tumbler is inclined at 25° and continuously rotates by means of a special motor. The rotation speed can be regulated.

The continual rotation causes the gold grains to rub against each other and consequently the dissolution time is considerably shorter.

External to the tumbler there is a Pyrex-glass fume condenser with water circulatting inside.

Another advantage is that this unit can work without supervision.

The maximum daily quantity you can refine every day is of 12 kgs. (6 kg per cycle) of gold grains getting a final gold purity of 999,5/1000 (minimum).

It is a multi-purpose unit allowing the user to refine the gold grains as well as casting scraps and some types of precious ashes.

                              
          Gold Grains       Casting Scraps       Precious Ashes

The plant consists of :

• Polypropylene hood designed to the recover any acid losses.
• PPL tumbler with a useful capacity of about 100 litres
• No. 2 Graduated tanks for HCl and HNO3.
• No. 1 PPl tray where two 100 lt containers for HCl and HNO3 acids are stored.
• No. 2 Filter units on wheels with a compressed air diaphragm pump to transfer the solutions. One 450 mm high, the second 750 mm.
• No. 1 50 lt cementation unit.
• No. 1 Control panel

Technical Data :

• Power supply : Single - phase.
• Power : 0,8 Kw
• Overall working space : 2600 x 1200 x 2500 mm. ( Length – Width - Height).
• Weight : 375 Kgs

NEUTRALIZATION TOWER FOR FUMES MODEL TLF/750

The tower is used to neutralize fumes and remove organic substances. It is built out of polypropylene sheets. A sprayer is installed inside the tower to spray a 1000 mm thick layer of raschig rings.

In order to avoid drop dragging, a second 200 mm thick layer of raschig rings has been placed upstream to the sprayer.

A neutralization solution container is placed beneath the tower. The solution circulation pump has a capacity of 55 Lts/1' with a head of 6 m. The suction fan has a max capacity of 300 m3/hour.

Technical data:

• Power supply : three-phase.
• Power : 0,95 Kw.
• Overall dimensions : 1350x1050x2800 mm (length-width-height).
• Loadless weight : 100 kg
• Working weight : 380 kg
• Capacity : 300 m3/h with 5”contact time

INGOT PRODUCTION

INDUCTION MELTING UNIT TYPE FIM/10LING

The furnace is ideal to produce 1 kg Au ingots. All ITALIMPIANTI ORAFI induction melting furnaces are fitted with static frequency converters.

A high efficiency of the electrical output that drastically reduces electricity consumption, maintaining the production rate, is obtained by the frequency conversion system used.

The modular construction of the electric circuit board greatly simplifies maintenance operations and guarantees high reliability even in the most demanding working conditions.

The highest technical standards used to design the inductors along with the modular construction and the use of only high quality materials guarantee maximum production even in the worst conditions.

Technical Data

• Rapid interchangeability of the crucible
• Protection of the metal while melting by an inert gas
• Manual extraction of the crucible using the appropriate pincers
• Automatic temperature control of the metal
• Absorbed power : 10 kW
• Power output : 9.5 kW
• Required quantity of the cooling water : 20 lt/min
• Capacity of the crucible : 13.5 Kg of Au
• Melting time : 15 minutes
• Dimensions : 485x510x915 mm (LxWxH)
• Weight : Approx. 216 Kg

» Display monitoring of the working parameters of converter as tension and absorbed power

» Computerised alarm diagnostics to sensor as many as 12 alarms or warnings which the worker must take note of for the system to work properly. Instructions and advice are      shown on the display.

» Closed ring power regulation which allows the system to absorb the set power regardless of the quantity and type of metal to melt.

» Threephase power-supply transformer :

• Nominal tension : depends on where the machines
• Allowed fluctuation of the electrical mains : +/- 10%
• Pulse stirring function for special alloys

B. INGOT SOLIDIFICATION CONTROL UNIT

This special unit consists of :

• Water cooled work table on which the ingot moulds are placed
• Ingot solidification control unit – fitted with photoelectric cells and timed propane gas burner

FACTORY TECHNICIAN TRAINING @ 960,00 euro / day
PLUS ALL TRAVEL-RELATED EXPENSES

Price: See System Listing for Prices
Listed price subject to manufacturers price increases without notice.