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Melting Furnace
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Melting Furnace

Lufeng is a Professional metallurgical melting furnace design, manufacturing and sales manufacturers in China. At the same time, Lufeng is a high-tech enterprise specializing in manufacturing energy-saving equipment and energy-saving services for industrial furnaces.We have been specialized in Metallurgical equipment for many years. The Melting furnace is widely used for the lead /copper/zinc melting plants all over the world.

Lufeng can design furnaces with different specifications and structures according to the requirements of customers (raw materials, processing capacity, combustion medium, etc.). To meet the production demand. Provide customers with a modern chemical plant with complete functions, reasonable layout, high economic performance and environment-friendly.

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  • lead battery recycling machine refining furnace for scrap lead battery Reflection refining furnace The present invention discloses a bottom blowing process for alkaline refining of regenerated lead by fire method. After the crude lead liquid is poured into the refining furnace from the melting furnace, argon gas is introduced from the bottom. When the temperature of the lead liquid drops to about 330 ℃, slag is skimmed, and the lead copper content is reduced to about 0.1% by melting and removing copper. After skimming, sulfur powder is sprayed into the bottom of the refining furnace to further remove copper. The temperature is raised to 450-480 ℃, and the reaction is carried out for 30-60 minutes. The sulfide slag is removed to complete the copper removal process; When the lead liquid temperature is about 450 ℃, powdered Sodium nitrate and sodium hydroxide are blown from the bottom of the refining furnace. After reaction for 30min, NaCl powder is blown from the bottom of the refining furnace with argon gas to complete the arsenic, antimony and tin removal process. The loss of said bottom blowing process method, refining agent and/or alloy is greatly reduced; There is only inert gas with low solid solubility in the lead liquid, which is not easily oxidized by the lead liquid and lead ingot. There is no lead slag inside the lead liquid and lead ingot. When using recycled lead, there is less lead slag and the slag yield is low; During the refining process, the surface of the lead liquid is always protected by argon gas, which can be used for high-temperature Ag removal operations. The regenerated lead contains low Ag content; The argon gas blown into the bottom will float together with small bismuth compound particles, resulting in low bismuth content in lead ingots

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  • magnetic induction rotary furnace for lead smelting metal machinery An induction furnace An induction furnace with a frequency range of 150 to 10000 Hz is called an intermediate frequency induction furnace. The medium frequency induction furnace is a special smelting equipment suitable for smelting high-quality steel and alloys. It has advantages such as fast melting speed, high production efficiency, strong adaptability, flexible use, good electromagnetic stirring effect, convenient start-up operation, and steel liquid being covered by slag (reducing atmospheric pollution of steel liquid). The complete equipment of the medium frequency induction furnace includes: power supply and electrical control part, furnace body part, transmission device, and water cooling system. The medium frequency induction furnace is particularly suitable for large, medium, and small furnaces with a capacity of tens of tons of 10kg. It is used for melting steel, cast iron, copper, aluminum, and other non-ferrous metals and their alloys, as well as insulation of liquid metals. It has strong adaptability to furnace materials and is suitable for intermittent operations. The furnace structure and usage are similar to those of a power frequency coreless induction furnace. Since the 1970s, with the increasing power and reliability of high-efficiency, static, and metal saving thyristor intermediate frequency power supplies, intermediate frequency furnaces have developed rapidly both domestically and internationally. They not only have obvious advantages in small and medium-sized capacity, but also are replacing industrial frequency heartless induction furnaces in large capacity. [1]

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  • 5 ton rotary furnace for aluminum melting industrial furnaces Rotary smelting furnace A rotary furnace is a type of blast furnace, whose body is an inclined cylindrical container that can rotate. The principle of rotary furnace is to use the effect of high temperature and high-speed Redox to mix ore and coke together, rapidly heat and melt in the furnace, and separate metal and waste slag. The internal parts of the rotary furnace are divided into different areas, with the top layer being the combustion zone, where coke and oxygen react to produce high-temperature and high-pressure gas flow. The gas flows downwards and enters the reduction zone. The ore and coke undergo a reduction reaction in the reduction zone, and the metal is reduced out. The metal flows downwards along the furnace barrel and finally reaches the slag area, where it is separated from the waste slag. The rotary furnace has the advantages of high production capacity and high melting efficiency, and can melt various metal materials such as iron, steel, and alloys. In the steel industry, rotary furnaces have become one of the main steelmaking equipment, widely used in fields such as steelmaking, ironmaking, and scrap recovery. Lead scraps, Lead grid, Lead acid battery scrap, adaptable to different raw materials. The Lead melting rotary furnace consists of a rotary host, a fire-resistant furnace lining, a combustion system, a hydraulic system, a Ring gear transmission system and a flue system. Both charging and discharging pass through the furnace mouth installed with a furnace door. During charging and discharging, the furnace door installed with a burner can be opened. Auxiliary machines are equipped with supporting automatic feeding machine, automatic slag (soup) bag and slag raking machine, and automatic ingot casting and stacking machine. Through these supporting equipment, the automatic operation of the whole process can be realized. Details include: - Refractory Material of Chrome-Magnesium basis - air-fuel burner or Oxy-fuel burner or Heavy oil burner - Feeding door opening through local control panel and through remote control - Door operation system with hydraulic unit; - Rotation system 0 - 1 rpm with variable speed driver (by VFD)

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  • rotary furnace for scrap lead battery lead melting furnace for non ferrous metal recycle Rotary smelting furnace A rotary furnace is a type of blast furnace, whose body is an inclined cylindrical container that can rotate. The principle of rotary furnace is to use the effect of high temperature and high-speed Redox to mix ore and coke together, rapidly heat and melt in the furnace, and separate metal and waste slag. The internal parts of the rotary furnace are divided into different areas, with the top layer being the combustion zone, where coke and oxygen react to produce high-temperature and high-pressure gas flow. The gas flows downwards and enters the reduction zone. The ore and coke undergo a reduction reaction in the reduction zone, and the metal is reduced out. The metal flows downwards along the furnace barrel and finally reaches the slag area, where it is separated from the waste slag. The rotary furnace has the advantages of high production capacity and high melting efficiency, and can melt various metal materials such as iron, steel, and alloys. In the steel industry, rotary furnaces have become one of the main steelmaking equipment, widely used in fields such as steelmaking, ironmaking, and scrap recovery. Lead scraps, Lead grid, Lead acid battery scrap, adaptable to different raw materials. The Lead melting rotary furnace consists of a rotary host, a fire-resistant furnace lining, a combustion system, a hydraulic system, a Ring gear transmission system and a flue system. Both charging and discharging pass through the furnace mouth installed with a furnace door. During charging and discharging, the furnace door installed with a burner can be opened. Auxiliary machines are equipped with supporting automatic feeding machine, automatic slag (soup) bag and slag raking machine, and automatic ingot casting and stacking machine. Through these supporting equipment, the automatic operation of the whole process can be realized. Details include: - Refractory Material of Chrome-Magnesium basis - air-fuel burner or Oxy-fuel burner or Heavy oil burner - Feeding door opening through local control panel and through remote control - Door operation system with hydraulic unit; - Rotation system 0 - 1 rpm with variable speed driver (by VFD)

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  • small induction furnace for non ferrous scrap metal recycle An induction furnace An induction furnace with a frequency range of 150 to 10000 Hz is called an intermediate frequency induction furnace. The medium frequency induction furnace is a special smelting equipment suitable for smelting high-quality steel and alloys. It has advantages such as fast melting speed, high production efficiency, strong adaptability, flexible use, good electromagnetic stirring effect, convenient start-up operation, and steel liquid being covered by slag (reducing atmospheric pollution of steel liquid). The complete equipment of the medium frequency induction furnace includes: power supply and electrical control part, furnace body part, transmission device, and water cooling system. The medium frequency induction furnace is particularly suitable for large, medium, and small furnaces with a capacity of tens of tons of 10kg. It is used for melting steel, cast iron, copper, aluminum, and other non-ferrous metals and their alloys, as well as insulation of liquid metals. It has strong adaptability to furnace materials and is suitable for intermittent operations. The furnace structure and usage are similar to those of a power frequency coreless induction furnace. Since the 1970s, with the increasing power and reliability of high-efficiency, static, and metal saving thyristor intermediate frequency power supplies, intermediate frequency furnaces have developed rapidly both domestically and internationally. They not only have obvious advantages in small and medium-sized capacity, but also are replacing industrial frequency heartless induction furnaces in large capacity. [1]

    Read More Send Inquiry Read More

  • precious metal refining machine lead recycling plant battery manufacturing machinery Reflection refining furnace The present invention discloses a bottom blowing process for alkaline refining of regenerated lead by fire method. After the crude lead liquid is poured into the refining furnace from the melting furnace, argon gas is introduced from the bottom. When the temperature of the lead liquid drops to about 330 ℃, slag is skimmed, and the lead copper content is reduced to about 0.1% by melting and removing copper. After skimming, sulfur powder is sprayed into the bottom of the refining furnace to further remove copper. The temperature is raised to 450-480 ℃, and the reaction is carried out for 30-60 minutes. The sulfide slag is removed to complete the copper removal process; When the lead liquid temperature is about 450 ℃, powdered Sodium nitrate and sodium hydroxide are blown from the bottom of the refining furnace. After reaction for 30min, NaCl powder is blown from the bottom of the refining furnace with argon gas to complete the arsenic, antimony and tin removal process. The loss of said bottom blowing process method, refining agent and/or alloy is greatly reduced; There is only inert gas with low solid solubility in the lead liquid, which is not easily oxidized by the lead liquid and lead ingot. There is no lead slag inside the lead liquid and lead ingot. When using recycled lead, there is less lead slag and the slag yield is low; During the refining process, the surface of the lead liquid is always protected by argon gas, which can be used for high-temperature Ag removal operations. The regenerated lead contains low Ag content; The argon gas blown into the bottom will float together with small bismuth compound particles, resulting in low bismuth content in lead ingots

    Read More Send Inquiry Read More
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