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Slag corrosion between the mold flux and the submerged entry

The corrosion mechanisms that occurred between the slag line and mold flux under the applied external electric field are studied The results show that the slag line can be effectively protected when the slag line is connected to the negative electrode and the graphite as an auxiliary electrode is connected at positive potential.

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Magnesia carbon brick Ladle slag line brick Uneven erosion

The slag line bricks frequently appear in the shape of steamed bread that is the edge erosion is faster than the middle position of the brick which seriously affects the later contracting and causes the ladle to be frequently offline during use This not only affects the production rhythm but also creates hidden dangers to safety.

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The influence of slag on degradation of tundish working lining

This paper is focused on the influence of the slag formed by covering and refining powders on lifetime respectively on the wearing of the working lining

benefits of vertical cement grinding mill agaisnt ball mill

Dec 11 2019  Most recently this technology has been employed for the combination of Portland cement blended cements and slag cements The VRM offers several benefits compared to the ball mill in regards to operating costs and flexibility

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Marangoni effect in refractory slag line dissolution

conditions significant slag line corrosion could be observed Mukai l 3 has made several investigations of the Marangoni effect in refractory slag line corrosion and proposed the mechanisms of slag Jine corrosion in both slag surface tension increasing with dissolved refractory and slag surface tension decreasing with dissolved refractory.

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Reasons and solution for the wave solder excessive tin slag

First the wave solder impurity amount exceeds the standard causing excessive tin slag 1.The copper amount and microelement of the tin furnace tin exceed the standard The copper amount and iron amount exceeding the standard are the main reasons for the formation of slag The circuit are made of copper Most of the electronic pin are made of

High Strength Magnesia Carbon Bricks 6 3 C For Slag Line Of

Quality Magnesia Carbon Bricks suppliers provide High Strength Magnesia Carbon Bricks 6 3 C For Slag Line Of Ladle Zhengzhou Xinyu Import Export Trade Co Ltd from China.

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boundary condition and curved surface condition have significant effects on the slag line erosion rate The comparison of experimental and numerical results shows that the model can predict the refractory maximum corrosion distance caused by Marangoni flow at the slag line However the eroded material volume was predicted within 20 30 deviation.

Steelmaking Process

During the steelmaking process fluxes that consist of lime CaO or dolomitic lime with iron and scraps are charged to the furnace.There is a certain amount of free lime f CaO in steel slag Free lime with a specific gravity of 3.34 can react with water to produce Ca OH 2 with a specific gravity of 2.23 which results in volume increase Fig 9.1 .


Use phosphorus potassium ore is made potassium phosphate salt it is characterized in that the ore that Rock Phosphate 72Min BPL and the symbiotic phosphorus potassium ore of sour insoluble potassium bearing rock or this two kinds of ores exist respectively is a raw material use phosphoric acid vitriolization make acid decomposition liquid and sour decompose slag sour

Treatments and Recycling of Metallurgical Slags

May 07 2018  Slag ing which protects the refractories below the trunnion line Slag splashing which protects the bottom the middle and the upper parts of the refractory lining In the three cases the slags require good physical properties viscosity and surface tension to achieve good protection results and an adequate slag adherence to MgO C

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Proses Tunnel Kiln Untuk Pembuatan Besi Sponge putu iron ore

Jul 15 2018  Combination Crusher The compound crusher is used to crush a variety of medium hard ores such as limestone clinker coal and other ores which can be widely used in mining metallurgy refractory cement coal glass ceramics electric power and other industries and is one of the commonly used equipment in the crushing production line and the sand making

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Copper Smelting Slag Recycling Processing Line

The copper smelting slag recycling line is the recovery line about copper granules from copper smelting slag so crushing vibrating screening washing separation and dewatering shall be involved in the whole copper recovery flow sheet which is similar to a line of ore beneficiation The specific copper recovering flow chart can be designed according to copper smelting slag.

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Wearing of the ladle slag line is the biggest refractory material problem with ladles Chemical thermal and mechanical wearing occur in the slag line The chemical potential difference between the components of the refractory material and the slag under high temperature conditions is the driving force behind the chemical wearing mechanism

Novel composite long nozzle

Jan 06 2020  The utility model discloses a novel compound long mouth of a river the mouth of a river lateral wall at slag line position is outer heat preservation slag line layer and interior heat preservation by outer to interior in proper order The accident rate of the composite long nozzle adopting the utility model is about 1.5 the accident rate of

Superfine Slag Powder Production Line

Superfine slag powder production line is also called ultrafine slag micro powder plant or superfine slag powder making plant Superfine slag powder production line is used to crush non flammable materials of which Mohs hardness is no more than seven degree and water content is less than 6 Except for the slag superfine powder grinding mill

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CSWIP 3.1 Question with Answer and Explanation Part 13

Oct 31 2017  9 When welding vertically up with the MMA process weaving is sometimes restricted diameter this restriction is mainly applied to a Reduce the overall width of the weld b answer Limit the heat input into the joint c Reduce the number of electrodes used in the joint d Reduce the time required to finish the weld.

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Comparison study of slag corrosion resistance of MgO–MgAl2O4

May 30 2020  To illuminate the corrosion behavior of MgO based refractories under electromagnetic field EMF herein the slag corrosion and penetration resistance of MgO–MgAl2O4 MgO–CaO and MgO–C refractories were investigated using the rotary immersion slag resistance test at 1873 K for 1 h The results showed that the order of the

What refractories are suitable for ladle slag line low ..

Jul 17 2019  I Refractories for Ladle Slag Line In the past the refined ladle mainly used MgO Cr2O3 brick and high aluminum brick for the slag line and the low corrosion area lining Due to the requirements