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·The precipitation of Fe3O4 particles and the accompanied formation of Fe3O4 wrapped copper structure are the main obstacles to copper recovery from the molten slag during the pyrometallurgical smelting of copper concentrates Herein the commercial powdery pyrite or anthracite is replaced with pyrite anthracite pellets as the reductants to remove a large
·The concept of basicityBasicity has been central to our understanding of slag chemistrySlag Chemistry for many decades the introduction of various network breaking oxides causes to the formation of smaller units resulting in depolymerisation of the silicate structure For a specific mole fraction of metal oxide the overall degree
·Slag cont aining furnaces ar e important metallurgical vessels for smelting converting and slag cleaning Sla g furnaces are us ed in th e processing o f iron and ferroalloys [1] as well as non
·In order to determine the effect of slag composition during the RH process on refractory wear magnesia carbon and magnesia chromite refractories were immersed for 10 min at 1600 °C in a ladle slag two FeO rich slags 20 and 40 wt% FeO and two CaO Al 2 O 3 slags Corrosion of magnesia carbon refractory by the ladle and CaO Al 2 O 3 slags was limited as
·Breaking the Fe3O4 wrapped copper microstructure to enhance copper slag International Journal of Minerals Metallurgy and Materials IF Pub Date 2024 08 30 DOI /s12613 024
Smart eye removes three harms sulfur silicon phosphorus RAMON Intelligent Slag raking System intelligent manufacturing shines Hunan RAMON Science & Technology Co Ltd Based on current slag raking situation in existing steel plant RAMON company developed Intelligent Slag raking System which is large scale integrated system based on machine vision
·To maintain slag quality good housekeeping is essential at all stages General rubbish must be kept from entering the slag pits and the bunds or walls enclosing the pits which may be simply a ridge of aggregate should be made of the same material in case some is recovered with the cooling slag during excavation
The operator can start automatic temperature measurement oxygen determination sampling and slag breaking with one button The intermediate process does not need to intervene again The operation time of a single temperature measurement and sampling cycle can be controlled within 50 and the laser measurement The distance meter accurately
·Oxygen partial pressure is a defining thermodynamic variable in the recovery of copper during matte conversion This study combines theoretical analysis and experiments to investigate the effect of oxygen partial pressure on slag properties and copper separation from slag Additionally under high oxygen partial pressure the mechanism of CaO regulation of
·Blast furnace slag BFS is the main by product in ironmaking process As its discharge temperature is between 1450 and 1550 °C each ton of slag contains a large amount of high quality thermal energy which is equivalent to 60 kg standard coal [1 2 3] Thus there is a great potential for waste heat recovery from high temperature molten slag
Request PDF On Aug 1 2024 Wenjun Duan and others published Breaking boundaries in slag waste heat recovery Review and future perspective of dry centrifugal granulation technology Find read
·Manufacturing iron or steel results in the generation of large volume of hard solid waste material like slag In general 1 tonne of solid waste is being produced during 1 ton of crude steel production Grubeša et al 2016 Annually around 29 million tons of solid wastes are produced from the large steelmaking plants Mohapatra 2007 Electric Arc Furnace EAF
The complete slag handling and processing system comprises of Main Slag Breaking machine that assists in breaking irregular slag shapes into small pieces of desired size Bucket conveyor for allowing smooth transfer of material from main machine employed in breaking slag to other slag crushing machine Second slag machine that further crushes
Featuring a sturdy frame and powerful jaws this machine exerts immense pressure on the slag breaking it down effectively The jaw crusher s design incorporates a fixed jaw and a movable jaw providing a crushing mechanism that ensures thorough fragmentation With customizable settings operators can adjust the machine to achieve the desired
Often used for demolition tunnel operations and slag breaking Hydraulic Parts Power Up Your Drive with Precision Elevate Performance and Efficiency with our Superior Hydraulic Parts Experience Seamless Control and Unleash the Power of Precision Today
·Abstract Ladle slag is a byproduct formed during the ladle refining stage of steel making It is a dusty material that has been considered industrial waste This is attributed to the breaking of crystals during slow cooling which causes a significant amount of dust This is more common in LF slag due to the high C2S phase Therefore
·At present the method of monitoring abnormal changes of the relevant parameters such as the oil pressure of slag breaking machine is used to judge the generation of slag blockage which has an obvious hysteresis Once the relevant parameters are abnormal the blockage of the outlet is already very serious and the un schedule shutdown is
BACKGROUND OF INVENTION This invention is applicable to apparatus used for degassing molten metal In particular it relates to an improved article of manufacture for shielding the tubular extensions of a degassing vessel while breaking through the slag or crust of the molten metal such as steel or the like
The utility model discloses a fish bone formula diaphragm disintegrating slag baffle of installing at pulse wind tunnel vacuum tube section The fishbone type diaphragm slag baffle consists of a front group of blade sets and a rear group of blade sets which are staggered and can rotate around a rotating shaft and the blade sets are arranged at the closed end of a vacuum tube of
Metals Slag & Oversize Breaking Among the many challenges in the metal processing industry slag breakage is a huge one Most of the existing methods of slag breakage are either time consuming costly unsafe or all most of the times Another concern is the hardness of the metal Harder the metal bigger the problem
pressure is investigated to discover its effects on slag breaking wall tube stress and steam consumption 2 Methods CZM approach The CZM in ABAQUS FE software adopted in this study is based on the model developed by Hillerborg et al 1976 Cohesive elements can sim ulate several types of behavior at interfaces when the
·where c is the cohesion of the rock φ is the angle of internal friction of the rock σ 1 is the positive stress on the face A 1 B 1 B 2 A 2 σ 1 = γz γ is the rock mass z is the distance of
