Aluminum induction furnace

Aluminum induction furnace

The aluminum induction furnace is a new type of high-efficiency energy-saving furnace developed according to the aluminum smelting process .

Features

It can well meet the requirements of the aluminum smelting process: strict alloy composition requirements, discontinuous production, large single furnace capacity, etc.

Detailde


The aluminum induction furnace is a new type of high-efficiency energy-saving furnace developed according to the aluminum smelting process . It can well meet the requirements of the aluminum smelting process: strict alloy composition requirements, discontinuous production, large single furnace capacity, etc. It can reduce the burning loss, improve the product quality, reduce the labor intensity, improve the working conditions and improve the production efficiency . It is suitable for intermittent operation, with more melting of alloy and recycled materials .
Aluminum induction furnace specifications summary :

Product number power capacity Rated Capacity Operating temperature Empty furnace heating time 坩埚 type
SD-RL-100 30KW 100KG 40KG/H 950 degrees <1.5H Round shape
SD-RL-200 40KW 200KG 100KG/H <1.5H
SD-RL-300 60KW 300KG 180KG/H <2.0H
SD-RL-400 80KW 400KG 240KG/H <2.0H
SD-RL-500 100KW 500KG 300KG/H <2.5H
SD-RL-600 120KW 600KG 350KG/H <2.5H
SD-RL-800 150KW 800KG 420KG/H <2.5H
Remarks: Various furnaces can be customized according to different occasions and technical requirements of customers.
 
The composition of the aluminum induction furnace :
The whole set of melting furnace equipment includes intermediate frequency power supply cabinet, compensation capacitor, furnace body and water-cooled cable, and reducer.
What are the uses of aluminum induction furnaces ?
The medium-frequency aluminum melting furnace is mainly used for the melting and warming of aluminum and aluminum alloys , especially for aluminum profiles, aluminum products, etc., which are often used for batching operations in single furnaces, such as aluminum profiles, aluminum products, alloy plates and aluminum scrap. Recycling, etc.
What are the advantages of aluminum induction furnaces ?
1. Small size, light weight, high efficiency and low power consumption;
2 , low ambient temperature, less smoke, good working environment;
3 , the operation process is simple, and the smelting operation is reliable;
4 , uniform heating temperature, less burning, and uniform metal composition;
5 , the casting quality is good, the melting temperature is fast, the furnace temperature is easy to control, and the production efficiency is high;
6 , high availability, easy to change varieties.
What are the characteristics of the aluminum induction furnace structure ?
1. The whole set of melting furnace equipment includes intermediate frequency power cabinet, compensation capacitor, furnace body (two) and water-cooled cable and reducer.
2. The furnace body consists of four parts: furnace shell, induction coil, furnace lining, and tilting furnace gearbox.
3. The furnace shell is made of non-magnetic material, and the induction coil is a spiral cylinder made of a rectangular hollow tube, and the cooling water is passed through the tube during melting.
4. The coil leads out the copper row and communicates with the water-cooled cable. The furnace lining is close to the induction coil and is sintered by quartz sand. The tilting of the furnace body is directly rotated by the tilting gear box. The tilting gearbox is a two-stage turbine shifting gear with good self-locking performance, stable and reliable rotation, and avoids danger when emergency power is cut off.
Common emergency treatment accidents for aluminum induction furnaces
Emergency treatment of excessive cooling water temperature
( 1 ) The sensor cooling water pipe is blocked by foreign matter, causing the flow of water to decrease and the temperature of the cooling water to be too high. At this time, it is necessary to first power off, and then use compressed air to purge the water pipe to remove foreign matter. Pump outage time should not exceed 8min ;
( 2 ) The coil cooling water channel has scale, which causes the water flow to decrease and the cooling water temperature to be too high. According to the water quality of the cooling water, the obvious scale on the coil water channel must be pickled in advance every other year or two;
( 3 ) The sensor water pipe suddenly leaks. This leakage is mostly caused by insulation breakdown between the inductor and the water-cooled yoke or the surrounding fixed bracket. When this accident is discovered, it should immediately stop power, strengthen the insulation treatment at the breakdown, and seal the surface of the leak with epoxy resin or other insulating glue to reduce the voltage. The aluminum of this furnace is hydrated, and the furnace is repaired after the completion. If the coil water channel is broken down in a large area, it is impossible to temporarily seal the gap with epoxy resin, etc., and it is only necessary to stop the furnace, pour the aluminum liquid, and repair it.
What kinds of aluminum induction furnaces are there ?
1.   The oil furnace is a melting aluminum furnace mainly consuming diesel oil and heavy oil. The aluminum melting furnace is better than the electric furnace, but the energy consumption cost is the highest cost among the five aluminum melting furnaces, and the environmental pollution is relatively high. Big.
2.   Coal stoves, which are mainly used to consume coal, have lower energy costs, but the environment is the most polluted. The state has severely suppressed pressure. Many places have already banned coal-fired furnaces.
3 .   The gas furnace is a melting aluminum furnace mainly consuming natural gas. The aluminum melting furnace is relatively environmentally friendly, but the price of natural gas is also high, and in some places, the natural gas supply is tight, and the fuel supply resources are not rich enough.
4 .   Electric furnace, aluminum-burning furnace with electricity consumption, electric resistance melting aluminum furnace , electromagnetic induction melting aluminum furnace , medium frequency induction melting aluminum furnace , now more aluminum melting furnace is electric furnace .
What may be wrong with the aluminum melting furnace ?
Power failure accident handling - emergency treatment of aluminum water in the furnace
( 1 ) A power outage occurs during the start of the melting of the cold charge, and the charge has not yet completely melted. It is not necessary to tilt the furnace, and it remains in its original state, and only continues to pass the water, waiting for the next time the power is turned on again;
( 2 ) The aluminum water has melted, but the amount of aluminum water is not much and cannot be poured (the temperature is not reached, the composition is unqualified, etc.), and it can be considered that the furnace is naturally solidified after being tilted to a certain angle. If the amount is large, consider dumping aluminum water;
( 3 ) Due to sudden power failure, the aluminum water has melted, trying to insert a pipe in the aluminum water before the aluminum water solidifies, so as to eliminate the gas when it is melted again, and prevent the gas from expanding and causing an explosion accident;
( 4 ) When the solidified charge is melted for the second time, it is better to tilt the furnace forward to make it easier for the molten aluminum to flow out at a lower inclination to prevent explosion.
 
Emergency treatment of leaking aluminum water
( 1 ) Accidents of aluminum leakage are likely to cause equipment damage and even endanger the human body. Therefore, it is necessary to do the maintenance and maintenance of the furnace as much as possible to avoid accidents involving leakage of aluminum;
( 2 ) When the alarm of the furnace lining thickness measuring device is ringing, the power should be cut off immediately, and the surrounding of the furnace body should be inspected to check whether the aluminum liquid leaks. If there is leakage, immediately tilt the furnace and pour the aluminum liquid;
( 3 ) If it has been found to leak aluminum water, evacuate the personnel immediately and pour the aluminum water directly into the front pit of the furnace;
( 4 ) The aluminum leakage liquid is caused by the damage of the furnace lining. The smaller the thickness of the lining, the higher the electrical efficiency and the faster the melting rate. However, when the thickness of the lining is less than 65 mm , the thickness of the entire lining is almost a hard sintered layer and a very thin transition layer. Without a loose layer, the lining is slightly quenched and quenched to produce fine cracks. The crack can crack the entire interior of the lining, and the aluminum liquid is easily leaked out;
( 5 ) In the event of a leaking furnace, the personal safety should be ensured first. Considering the safety of the equipment, the main consideration is to protect the induction coil. Therefore, if the furnace leaks, the power should be turned off immediately to keep the cooling water flowing.

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