The graphite rotor and shaft are made from graphite by isostatic pressure. With anti-oxidizing and anti-wear treatment on the surface, they have a service life of more than 3 months (800 times).
Graphite shaft and graphite rotor
The most widely used high-efficiency filtration system
Equipment Introduction
- The CFF Filtration Box (CFB) is widely used for molten aluminum filtration in the aluminum casting process to prevent the particulate impurities in molten aluminum from entering the casting blank and affecting the quality of aluminum products.
-According to the quality requirements of castings, the volume of molten aluminum, the total volume of filtered aluminum, and the cleanliness of the aluminum itself, the correct selection of the type of filter box and the specifications of the foam filter plate help to achieve satisfactory filtration results.
Main parameters of the CFB filtration box
- Maximum temperature of molten aluminum: 750°C
- Shell surface temperature: 70°C
-Lining life: 12 months
Common specifications of CFB filtration box
Filtration Box Type Code Filtration Board Size inch Flow Range
t/h Remarks
Single-stage filtration box CFB1-12 12 2-5 Â
A single filtration board is placed in the filtration box to filter out more than 85% of the inclusions with a particle size 8�¼m
CFB1-15 15 4-10
CFB1-17 17 8-15
CFB1-20 20 12-20
CFB1-23 23 16-25
Horizontal two-stage filtration box CFB2-12/12 12/12 2-5 Two-stage filtration boards with different pore sizes from large to small are placed in the filtration box horizontally or vertically to filter out more than 95% of the inclusions with a particle size 8�¼m
CFB2-15/15 15/15 4-10
CFB2-17/17 17/17 8-15
CFB2-20/20 20/20 12-20
CFB2-23/23 23/23 16-25
Vertical two-stage filtration box CFB2-15/12 5/12 2-5
CFB2-17/15 17/15 4-10
CFB2-20/17 20/17 8-15
CFB2-23/20 23/20 12-20
Two-channel filtration box CFB-12/12 12/12 2-52 Two channels in the filtration box for parallel arrangement of filtration boards of the same pore size. Used for continuous filtration of molten aluminum, one for use while the other as backup; used for filtration of large-flow or high-viscosity molten aluminum. Both channels meet the flow requirements together.
CFB-15/15 15/15 4-102
CFB-17/17 17/17 8-152
CFB-20/20 20/20 12-202
CFB-23/23 23/23 16-252
Notes:Equipped with heating device as needed.
Usage
Mainly used for maintaining temperature of molten aluminum alloys, suitable for all the crafting processes, such as pre-aluminum casting degassing, alloy preparation, uniform structure and temperature regulation and so on.
â?¢ Energy source can be electricity and gas.
Equipment Features
â?¢Higher-quality molten aluminum can be obtained. Molten aluminum temperature accuracy, composition uniformity and less hydrogen content can be guaranteed.
Flexible production organization. The crucible can be replaced at any time for production of different types of alloys, without contaminating the molten aluminum.
Low burning loss of aluminum. The aluminum in the crucible is heated with heat conduction of the crucible, without local high temperature, reducing oxidizing loss and high-temperature volatilization, lowering the burning loss of aluminum to a level below 1.2%.
The furnace floor is molded by monolithic casting with a casting material. Moreover, at the bottom of the furnace is a leakage outlet, through which the molten aluminum can outflow once the crucible is broken, reducing the risk of damage to the furnace body.
The temperature of the furnace chamber and molten aluminum is controlled by series circuit, ensuring sufficient heating efficiency and preventing overheating of the furnace chamber.
The molten aluminum thermocouple protect tube is made from silicon nitride, which is well heat-conducting, resistant to corrosion by the molten aluminum, resistant to thermal and cold shocks and highly strong. The tube can be directly immersed in the molten aluminum to measure its temperature. It has a service life of more than 2 years.
Multiple safety protection modes are adopted, such as molten aluminum over-temperature alarm, furnace chamber over-temperature alarm and crucible leakage alarm and so on.
Heating energy sources: natural gas, liquefied petroleum gas (LPG).
An imported famous-brand automatic burner or gas burner is adopted, ensuring high heating performance, low noise and zero-discharge of fume, meeting the environmental protection requirements.
After heating, the hot furnace gas is blown back to the upper mouth of the crucible through the flue; or preheated the combustion air from the flue heater ex-changer to improve the heating efficiency and reduce fuel consumption.
Multiple safety protection modes are adopted, such as gas under-pressure, assisted gas under-pressure, flameout alarm and so on.
Melting rate in a cold furnace: 3.5h
Melting rate in a heated furnace: 2h
Usage
The equipment is mainly used for solution hardening and artificial aging heat treatment of aluminum alloy workpieces and the annealing heat treatment of aluminum alloys.
Used for treatment of aluminum alloy T4, T5, T6, T7 and T8.
Up to standard!
The heat treatment of the aluminum alloy materials conforming to the US military standard SAE AMS 2772E-2008
The heat treatment of the casting aluminum alloys conforming to the Chinese aviation standard HB5446-90
The vertical aluminum solution-hardening furnace, also known as drop-bottom aluminum solution-hardening furnace, is a heating furnace for periodic heat treatment, used for production of ultrahigh-quality workpieces in the war, aerospace, automobile manufacturing and high-voltage electrical equipment industries.
Small batch, high qualitythe best choice for solution treatment of aluminum!!
Three performance guarantee parameters:
 Furnace temperature uniformity: ±3
Temperature control precision: ±1
 Workpiece transfer time: 6-15s
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Equipment Features
A patented self-locking mechanism is adopted for the furnace door, ensuring that the furnace door will not descend by itself under any circumstances.
 There is a flexible sealing connection between the furnace door and the furnace body; the furnace door is pneumatically compacted, ensuring the synchronous sealing performance of the whole sealing surface.
 Each mechanical action is equipped with a perfect self-locking function, ensuring operation reliability and safety. Especially, there is a well-designed logical relation and reliable hardware-software logic interlocking circuit among the heating system, fan operation system, furnace door switch system, charging basket lifting system, water tank movement system and mixing system. They can keep the equipment and thermal treatment device safe in case a sequence error is caused by manual operation or a failure occurs in an action process during automatic operations.
 High furnace temperature uniformity. A large-flow and high-air-pressure heat-resisting fan is adopted, able to generate enough recirculating air quantity and pressure; the super-large furnace consists of multiple temperature control zones including one main zone, ensuring that temperature rises synchronously in all of the temperature control zones; the all-fiber furnace lining minimizes heat loss, ensuring that the furnace chamber temperature gradient is within a certain range.
High furnace temperature control accuracy. Multiplex control maximally ensures that the furnace chamber does not overheat, thus protecting workpieces from being softened and over-burnt.
Usage
Used for artificial aging treatment of castings. Divided into car bottom and chamber types.
Technical Parameters
Maximum heating temperature: 250
Furnace temperature uniformity: ±5
Temperature control precision: ±1
Usage
 Used for artificial aging treatment of castings. Divided into car bottom and chamber types.
 Technical Parameters
Maximum heating temperature: 250
Furnace temperature uniformity: ±5
Temperature control precision: ±1
Usage
â?¢� Used for artificial aging treatment of castings. Divided into car bottom and chamber types.
� Technical Parameters
â?¢ Maximum heating temperature: 250â??
â?¢ Furnace temperature uniformity: â?¤�±5â??
â?¢ Temperature control precision: �±1
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
 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 ACÂ 50Hz, 10KVA
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.
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)
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.
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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
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 hydrogen analyzer, which works on the Straube-Preiffer test principle (decompression solidification test method), is used to qualitatively measure the content of hydrogen in molten aluminum. A decompression solidification test is conducted to make a solidification sample of molten aluminum under the conditions of decompression (a vacuum degree determined according to the technological requirements). Subsequently, the sample is analyzed by various methods to qualitatively determine the content of hydrogen in molten aluminum in an indirect way. It can be used for quality control during aluminum alloy casting and for smelting detection.
Equipment Features
 High analysis speed. In the field environment, it just takes 5 minutes to analyze the content of hydrogen in molten aluminum.
 The test results are true and reliable, with high repeatability. Several analysis methods can be used together to accurately judge the quality of molten aluminum to provide reliable guidance on production.
 Easy and safe to use. Operators neednâ??t have rich experience and can use it correctly after training.
Made of aluminum alloy, the vacuum chamber is light, easy to handle and resistant to corrosion.
Technical Parameters
Ultimate vacuum (relative to 1 standard atmosphere): -0.099MPa
 Exhaust rate: 0.2L/S
 Measuring time:
Usage:
The molten aluminum transfer equipment is used for transferring the molten aluminum, also can refining and degassing inside the ladle.
Molten aluminum ladle capacity: 100kg - 10000kg (AL)
Equipment Features
Molded by monolithic casting with a refractory casting material specially used for aluminum alloy ladle production, the inner layer of the ladle lining is poorly permeable to the molten aluminum, so it offers high resistance to corrosion by the molten aluminum.
â?¢ Made from an insulating castable or nano-fibrous material, the temperature holding layer has excellent performance and low natural drop in temperature.
Sturdy cladding. The cladding is professionally produced according to the technical conditions of ladles. Equipped with a welded bottom hoop, bilge hoop, upper mouth hoop and collar, it has a longer service life and can ensure safety.
The crane or relevant hoisting tool is used for transferring the ladle, and tilted can be by manual or electrical.
Equipment Features
A special-purpose reducing mechanism is used for driving motion, with strong double-sided self-locking performance.
center of gyration can be selected reasonably for flexible rotation, and two-way gyration brings about high reversibility.
There is hinge clamping boards between the ladle body and the suspender, as well as between the reduction box and hand wheel. It can be locked at any time for higher safety and reliability for using. The reduction box has a full-seal structure. Surface hardened, all the other gears are tough and durable.
