Ladle Refining Furnace

Supplier: Heavy machinery, arc furnace, ladle, olive oil, dry fig

Supplier: Heat treat furnaces, ladle preheaters, rapid quench furnaces, ageing ovens, mould ovens, pwht furnaces, stress relieving furnaces, aluminium decoating furnaces, defoaming furnaces, high velocity burners , bio medical waste incinerator , pit type furnaces ,rotary retort hard tempering furnaces ,auto pourer heaters ,tank agitators ,submersible agitators , bio medical waste incinerators ,quenching manipulators ,industrial burners
Services: Installation commissioning, simulation,thermal calibrations

  Easy to use, efficient, flexible, low-cost Equipment Introduction   The LDU has higher degassing efficiency because degassing rotors are mounted between the melting furnace and casting machine in the length direction of the launder and the degassing zone is partitioned into several parts for multilevel in-line degassing. The number of rotors depends on the flow rate of molten aluminum. Equipment Features High degassing efficiency, above 40%. Adopting multi-zone continuous degassing to increase the contact surface and contact time between bubbles and molten aluminum; adopting the sealed design to maintain an inert headspace above the molten aluminum surface during the entire casting period to prevent more slag to eliminate secondary pollution and improve degassing efficiency. Low use cost and maintenance frequency. The molten aluminum heating and holding system is removed, reducing consumption. Launders are adopted for degassing, reducing the residual amount of molten aluminum and the loss of metal;low maintenance cost, convenient and fast replacement of launders. Easy to install. Small size and low weight, space-saving; needless to install the required structure or foundation; installed in the joint positions of launders; a short period of time is required for on-site commissioning, saving production downtime.   Convenient for alloy conversion. There is no heating device or deep box, so at the end of per casting, most of the degassed metal is made into a product, which can easily clear away residual aluminum liquid in the degassing tank and convenient for the rapid alloy Conversion.   Easy to operate. No special starting procedure; a simple molten aluminum drainage device; convenient slag removal and simple working conditions.   Especially suitable for semi-continuous casting lines for the production of cast rods and renewable aluminum ingots. This casting technology is featured by frequent replacement of alloys without a very high dehydrogenation level. Main Parameters Items Parameters Maximum temperature of molten aluminum 750 Launder shell surface temperature 60 Launder lining life 12 months Rotor speed 100-600rpm Inert gases High-purity N2, high-purity Ar Degassing efficiency When it is not greater than the maximum flow rate, the inlet hydrogen content is 0.30ml / 100gAl, when the aluminum liquid is 700-740 , the hydrogen content after degassing is 0.22ml / 100g -Degassing efficiency35% when hydrogen content at the inlet>0.30ml/100g-Al. Power supply 380V AC  50Hz, 10KVA

Dehydrogenation/impurity removal/dealkalization One of the most effective molten aluminum degassing technologies, the first choice for high-end aluminum castings! Equipment Features Degassing efficiency is above 60% - Optimized dispersion of process gases in melts; - The maximum area and time of contact between dispersed bubbles and melts; - The box is completely sealed, ensuring a stable inert gas environment; - Smooth melt surface without turbulent effect. Easy installation and maintenance. Simple replacement of the liner of the preformed degassing box, which minimizing production downtime.   Long component life, low maintenance and operation costs. - The heater and heater protection tube have a service life of more than 3 months; - The box has a service life of more than 1 year; - The rotor and rotating shaft have a service life of more than 3 months; - Gases can be cooled without the rotor rotating the main shaft. Solving the problem of large amount of aluminum in the box. - A wholly tiltable degassing unit is optional. It can be tipped over at a specified time before the end of casting to pour all molten aluminum stored in the box into the launder to finish casting, thus solving the problem of excess aluminum storage in the box. Main Performance Parameters Items Parameters Maximum temperature of molten aluminum 750 Precision of molten aluminum temperature control (static) ±2 Melt heating ability 20/h Launder surface temperature rise 40 Launder lining life 12 months Continuous service life of heater 3 months Heater protection tube 4 months Continuous service life of rotor 3 months Rotor speed (stepless speed regulation) 100-500rpm Refined gas High-purity Ar or high-purity N2: pressure 0.2-0.5 MPa, purity 99.996%, Water (ppm) 3, Oxygen (ppm) 5 Degassing efficiency When it is not greater than the maximum flow rate, the inlet hydrogen content is 0.30ml / 100gAl, when the aluminum liquid is 700-740 , the hydrogen content after degassing is 0.12ml / 100g -Degassing efficiency60% when hydrogen content at the inlet>0.30ml/100g-Al. Dealkalization effect Each alkali metal content

Usage The equipment is used to qualitatively or quantitatively measure the content of gasses (mainly hydrogen) in molten aluminum. It is an ideal practical method for evaluating the effect of degassing, the quality of molten aluminum and the performance of the melting technology.

Usage   The equipment is used to qualitatively or quantitatively measure the content of gasses (mainly hydrogen) in molten aluminum. It is an ideal practical method for evaluating the effect of degassing, the quality of molten aluminum and the performance of the melting technology.

Usage  The injection refining equipment is used for refining, degassing and slag removal of molten aluminum in a static furnace. Equipment Features  Good refining effects. The equipment has the advantages of both gas refining and flux-refining. Low consumption of refining agent, and uniform feeding.  Low metal loss. After proper flux-refining, there is less dross on the melt surface and the dross is loose. The metal is rarely encased and little metal is taken out during slag removal.   Technical Parameters Barrel capacity: 15L, 30, 45L  Refining gas type: high-purity nitrogen or argon Refining gas pressure: 0.10.4MPa   Maximum refining gas flow: 300NL/min   Flux flow: 0-3000g/min, adjustable   Flux size: 1070 meshes

Introduction: A graphite rotor is immersed in the molten aluminum in a crucible (or ladle) to rotate while a high-purity inert gas such as nitrogen (or argon) is injected into the molten aluminum. As the graphite rotor rotates, the inert gas and refining agent can remove gases and slags from the molten aluminum. Divided into several basic models, including mobile, stationary and suspended. Divided into types such as rotary and rotary + dust adding Equipment Features Able to remove gases (mainly hydrogen) and oxides from the molten aluminum more effectively. The equipment has the advantages of both gas refining and flux-refining. After rotary injection, the hydrogen content in molten aluminum alloys will reach up to 0.1ml/100g, the pinhole degree will reach up to level 1, the density will be less than 1, and a stable effect will be achieved. Low metal loss. After proper flux-refining, there is less dross on the melt surface and the dross is loose; the metal is rarely encased and little metal is taken out during slag removal. Low refining agent consumption and uniform feeding. Equipped with an anti-falling mechanism, a refining agent material level measurer and an air channel leakage detector. Multiple technological processes can be executed. When used with different functions of fluxes, it can be used for high-efficiency modification, degassing and slag removal. â?¢�  The rotor bearing is a high-temperature bearing, not needing to be air-cooled. The spindle can work without stop at a high temperature of 200�°C. Site working conditions are significantly improved. Technical Parameters Refining time: 0~99min â?¢�  Gas flow for refinement: 12~40NL/min Inert gas for degassing: N2 or Ar with a purity greater than 99.996% Gas working pressure: 0.1-0.4MPa Molten aluminum temperature: 640 850 Amount of molten aluminum treated: 200 3000kg   Rotor speed: 0-600r/min (max1000)

Equipment Features Natural gas (NG) or LPG is chosen as the fuel. The heating speed can be adjusted within a wide range. Fully combusted, energy-saving and environment-friendly. Suitable for molten aluminum ladles of different heights. Equipped with a conventional high-speed gas burner and a self-preheating burner. Gas and combustion air pressure detection, abnormal ignition alarm. Heating temperature and time are controllable. Long open flame ignition function. Flame detection function.