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The method of claim 1, wherein step (e) is performed by subjecting a faction having a particle size of 61-74 μm to wet magnetic separation at a magnetic field strength of 2500-3500 Gauss to separate crystalline iron and iron carbide as magnetic materials, subjecting a fraction having a particle size of 75-104 μm to dry magnetic separation at ...
permanent conveyor belt mining magnet for steel-making slag conveyor belt mining magnet self-unload iron remover. Adopting the rare earth material NdFeB as the magnetic source, it features with reliable function, unique magnetic circuit, strong magnetic force, and high magnetic gradient.
SAN FRANCISCO — Slag left over from Iron Age copper smelting shows the Earth's magnetic field was stronger and more variable than scientists ever imagined. "This is a very challenging result ...
Feb 29, 2016· This pattern is called a magnetic field. The lines along which the iron filings arrange are called magnetic field lines. The magnetic field lines show the direction and strength of the magnetic field.
A second, higher magnetic field strength may be applied at 34 to the remaining material to separate out the iron oxide rich product which is more magnetically susceptible than the silicate rich product. The magnetic field strength can be adjusted by selecting the appropriate permanent magnet or by the use of an electromagnet.
steel making slag iron magnetic field intensity in us. Slag—Iron and Steel - USGS Mineral Resources Program. Sales of iron and steel slags in the United States in 2004 totaled about 2 .2 ... magnetic separators to recover entrained metal from the slag.
manganese loss into steelmaking slag is almost equivalent to that of manganese input into steelmaking process as ferro-manganese etc. in both countries. The results of material flow analysis suggest that a significant ripple effect can be expected if the recovery of manganese and phosphorus from iron- and steel-making slag becomes possible. 3.
Wang et al. studied use of a wet magnetic separation tube device under a magnetic field intensity of 1200 A/m to recover iron from BOF steelmaking slags which were sampled when the slags were ...
Alibaba offers 339 steel slag recycling products. About 3% of these are waste management, 3% are plastic crushing machines, and 1% are recycle washing line. A wide variety of steel slag recycling options are available to you, such as food waste disposer, refuse collector, and oil purifier.
It is the number of magnetic field lines passing through a surface ... (electric field, bananas, whatever you want) passing through a surface. The total flux depends on strength of the field, the size of the surface it passes through, ... Iron ore and iron slag can also both be magnetic. See Full Answer. 15.
Effect of primary intensity of magnetic field on iron recovery under the condition of primary grinding fineness of −0.074 mm 77% is shown in Figure 13B. As can be seen from that, with an increase of magnetic field intensity from 0.21 T to 0.29 T, the iron recovery was elevated from 79.98% to 84.96%, and iron grade was decreased slightly.
Oct 22, 2018· An Iron Needle sticks to the Magnet when brought near it. But why only when it's near the Magnet? Why not from a distance very far away? Well it depends on the Strength of the Magnetic Field.
Nov 14, 2013· Using the developed process, a magnetic product containing more than 65 wt.% iron was obtained from the magnetic separation under a magnetic field strength of 0.03 T for the waste copper slag reduced by petroleum coke (25 wt.%) at 1250 °C for 1.5 h.
In electromagnetism, permeability is the measure of the resistance of a material against the formation of a magnetic field, otherwise known as distributed inductance in transmission line theory.Hence, it is the degree of magnetization that a material obtains in response to an applied magnetic field. Magnetic permeability is typically represented by the (italicized) Greek letter μ.
Why is the magnetic field strength greater inside a current-carrying loop of wire than about a straight section of wire The magnetic field of each segment of wire in the loop, due to electrons moving in the wire, adds together inside the loop, thereby making the field become bunched-up.
Feb 17, 2017· Thanks to the magnetic properties of iron-oxide particles found in clay – which record the intensity of Earth's magnetic field when heated – scientists have discovered a hidden history of Earth's fluctuating magnetic field in the years from 750 to 150 BC. "Ceramics have tiny minerals – magnetic 'recorders' – that save information about the magnetic field of the time the clay was in the ...
The steelmaking slags are referred to by the steel production techniques used, such as BOF, EAF, and ladle furnace etc. These steel making slags typically contain 20–25% iron (Kawatra and Ripke, 2002).Because the chemical composition of steel slags is highly variable, the mineral composition of steel slag .
The strength of neodymium magnets is due to several factors. The most important is that the tetragonal Nd 2 Fe 14 B crystal structure has exceptionally high uniaxial magnetocrystalline anisotropy (H A ≈ 7 T – magnetic field strength H in units of A/m versus magnetic moment in A·m 2).
Iron Making From Magnetic Slag Apeldoorn. Beneficio steelmaking slag iron magnetic field intensity. making from magnetic slag hotelbich. iron making from magnetic slag ddmsuncraftcoin. iron making from magnetic slag How iron is made material manufacture making history used The most common process is the use of a blast furnace to produce pig . steel making slag iron magnetic field intensity in
Nov 08, 2017· The Earth's magnetic field, generated some 3,000km below our feet in the liquid iron core, threads through the whole planet and far into space – protecting life and satellites from harmful ...
Home › steel making slag iron magnetic field intensity in us. Water Requirements of the Iron and Steel Industry - USGS ... Graph showing sources of iron ore for the United States steel industry, 1942-62___ ..... The flux- ing agent fuses and forms a slag on top of the iron and dissolves.
They found that the copper slag had recorded Earth's magnetic field strength rising and then falling by over 100 percent in only 30 years. ... The strength of Earth's magnetic field in 2010 (left ...
intensity of steelmaking slag . intensity of steelmaking slag in India + Gold Ore Crusher. steelmaking slag iron magnetic field intensity Gulin steelmaking slag iron magnetic field intensity.
Steelmaking slag is subjected to the following four process-es: ① solidify and cooling of the hot molten slag, ② crushing and magnetic separation treatment of the slag to recover the metal iron, steelmaking slag magnet separat aebockstael. steelmaking slag magnet separat. The slag with the size of -10 mm is not exposed to magnetic ...
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