·The sulfur contents of low sulfur coke anode and high sulfur coke anode were analyzed at the beginning of tests 20 samples extracted randomly were detected by sulfur content analyzer the results showed that the upper and lower limits of sulfur contents in low sulfur coke prebaked anode are respectively and % averagely %; for
Carbon Anode Butt is the residual part of the prebaked carbon block that was used in the electrolytic tank It is high in calorific value and low in moisture 1 ton of carbon anode scrap is equivalent to ton of metallurgic coke in terms of calorific value which also makes it a highly efficient source of energy and cost effective material for smelting processes
·Introduction Hall Heroult method is currently used to produce aluminum High purity primary aluminum is produced by electrolysis with aluminum electrolysis cell as the carrier cryolite Na 3 AlF 6 as the reaction solvent and alumina Al 2 O 3 as the raw a core component prebaked anode drives the electric current into the electrolytic cell and participates
·Customized 100 300mm Pre Baked Carbon Anode Waste Anode Carbon Scrap for Aluminum Smelting Find Details and Price about Carbon Anode Scraps Carbon Anode Block from Customized 100 300mm Pre Baked Carbon Anode Waste Anode Carbon Scrap for Aluminum Smelting Taizhou Jintai Coal Co Ltd in China the scrap is the residual part of
·current efficiency 94 % anode density g/cm3 assuming constant normalised baked anode weight and anode life 24 days with 16 anodes in one pot as shown in Figure 7 Figure 7 Correlation between butt weight and net carbon consumption It can be seen from the graph in Figure 7 that net carbon consumption kg C/tonne aluminium
Pre baked Anode Block Anodes are large carbon blocks which are used to conduct electricity during the aluminium reduction process Anodes are positive electrodes typically made from crushed calcined petroleum coke and liquid pitch formed into rectangular blocks and baked These anode blocks are attached to rods and suspended in an
·The anode spike problem faces the operating staff in field of the aluminum reduction cells from time to time This paper presents the reasons of increasing the anode spikes and the procedures for
·Impurity Migrations in Aluminum Reduction Process and Quality Improvement by Anti oxidized Prebaked Anode Journal of Sustainable Metallurgy 2021 Hongliang Zhao Rongbin Li Fengqin Liu Corresponding Author Phase transition of waste silicon carbide side block from aluminum smelters during vacuum high temperature detoxification process
The continuous batch and semi continuous mixing processes are mainly used for prebaked anode production in China In recent years the semi continuous mixing process is very popular in China There are three kinds of mixing processes which are different
2 ·Carbon Anode scrap is the residual part of the Prebaked Carbon Anode Block that was used in the electrolytic tank Carbon Anode Butts or Spent Anode is another name for it It is called Waste Carbon Block or Reject carbon Anode in many Of course it has some special names in a few countries and such as Coal Block in Malaysia มีคาปร์อนขายครับ in
·Critical to the performance of an aluminum reduction cell is anode quality and durability In recognition of this consideration the aluminum industry uses a number of standardized tests to evaluate baked anode samples In addition to these routine evaluation procedures recent innovations have led to newer methods which are helpful in diagnosing
·Higher quality primary aluminum is increasingly required for high performance alloy products The influence of the impurity contents in such raw materials as prebaked anodes alumina etc and
·aggregates ˇ65 wt % coal tar pitch ˇ15 wt % and recycled anode butts ˇ20 wt % [5] The baking process transforms a green anode into a prebaked anode During this process the pitch carbonization binds up the coke aggregates and discharges the light binder volatile into the pore space such that a solid gas anode mixture is formed
In aluminum production there are two basic anode technology usually used namely Prebaked Carbon Anode and Soderberg anode Prebaked anodes are dominating type now A typical prebaked anode is made from a mixture of calcined petroleum coke CPC coal tar pitch CTP and spent anode hereinafter called by Butt [1]
The invention discloses a continuous prebaked anode combination structure of an aluminum electrolysis tank An aluminum guide rod 11 is connected with a clamp 14 an abnormal anode carbon block 8 is arranged at the inner sides of the lower portions of clamping plates 1 at two sides of the clamp 14 the abnormal anode carbon block 8 is formed by an upper carbon
·The Hall Hroult process uses prebaked carbon anodes as electrodes The anode s quality plays a crucial role in the efficiency of the aluminium production process
·The prebaked cell consists of three parts anode device cathode device and the conductive busbar system Anode Device The anode device is composed of anode beam anode carbon block group and anode lifting mechanism The anode beam bears the weight of all anodes and the current is fed into the electrolytic cell through the anodes
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collector adding mode The results showed that pH regulator has minimal influence on SCA flotation and the flotation effect was remarkably improved through the batch addition of flotation
Physical chemical Properties Total Moisture % Ash % Volatile Matter 1% Fixed Carbon % Anode Scrap is the residual part of prebaked anode carbon block
Reduction cell operation in primary aluminum production is strongly influenced by the properties of baked anodes Producing consistent anode quality is more challenging nowadays due to the increasing variability of raw materials Taking timely corrective actions to attenuate the impact of raw material fluctuations on anode quality is also difficult based on the core sampling and
·The mixture known as anode paste is heated and homogenized and formed into a so called green anode block of a specific geometry The green anode is then baked in ring furnaces to develop their mechanical properties D Picard H Alamdari D Ziegler P O St Arnaud M Fafard 2011 Characterization of a full scale prebaked carbon anode using X ray
·In order to reduce thermal stresses in an anode block high thermal conductivity and low thermal expan sion values are required Thermal conductivity varies between and W/m°C for most prebaked anode formula tions It is affected to a greater extent by processing variables than by raw material source Coefficients
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