The input data for the ratio of slag to refractory ranged from pure slag to pure refractory, with intervals of 20 ... Influence of gas environment on reactions between sodium and silicon minerals during gasification of low-rank coal. Fuel Process Technol, 87 (2006), pp. 953-962.
DetailsThe feasibility of a facile technological route to preparation of refractory materials from a ferronickel slag with the addition of sintered magnesia was verified in this study based on the thermodynamics analysis and the experimental exploration of the effect of the sintered magnesia addition on the phase transformation of ferronickel slag during …
DetailsTrend in Ladle Refractories for Higher Quality Steel Grades. Expected impact on refractory minerals: increased functional refractory usage, higher-alumina containing …
DetailsRefractories are characterized by their chemical and physical properties and are used to correlate its behavior in actual high-temperature application. 1.1.2.1 Specific Gravity. All refractory minerals have different densities and it is a fundamental property of the material. Refractory materials can be identified by their specific gravities.
DetailsJingyglass / Business Services / Applications / SMTS Basic Oxygen Furnace Slag Stopping Refractory Plugs Top Categories. Agriculture; Apparel Footwear; ... Non-Metallic Minerals; Office Products; Paper Packaging; Publishing; Real Estate; ... SMTS manufactures the Conplast BOF taphole slag limiting stopper plug. This worldwide ...
DetailsTypically, gold is encapsulated or finely disseminated in refractory gold ores and the direct cyanidation is not effective for gold extraction from these ores, even after the ore is ground to exceeding small particles (Nazari, 2017, Corrans and Angove, 1991).Especially for sulfide refractory gold ores, in order to recover gold, many …
DetailsDSF Refractories & Minerals - DSF Refractories and Minerals Ltd is a leading producer of refractory bricks, blocks and monolithics for all heat containment industries, including glass, iron and steel, cement and other rotary kilns, non-ferrous metals and incineration. We also supply a range of processsed refractory minerals.
DetailsMinerals of the sillimanite group, which have the chemical formula Al 2 O 3 SiO 2, are sillimanite, andalusite and kyanite. These minerals are converted on heating to a mixture of mullite and siliceous glass. ... Depending on the extent of wetting of the refractory by the slag, the slag either cuts a narrow gorge or spreads over a wide area …
DetailsIntroduction. Ferronickel slag is a main solid waste discharged from high temperature smelting of laterite ores for ferronickel production [1]. Although its chemical composition relies on many factors, such as ore type, smelting process and cooling method [2], its main components are MgO, SiO 2, Al 2 O 3, and FeO [3], in the forms of different …
DetailsThe experimental results showed that a good refractory material with refractoriness of 1660 °C, bulk density of 2.92 g/cm3, apparent porosity of 1.82%, and compressive strength of …
DetailsThe aim of this study is to compare the properties of refractory concrete made with thermally treated and untreated steel slag. Five concrete compositions were prepared and investigated in the present work. The first mixture, referred to as the reference, was formulated using dolomite aggregates, whereas the second and third …
Detailsrefractory materials from ferronickel slag is still lacking. The present study therefore aimed to evaluate the influence of the sintering temperature, over a wide range from 1200 C to 1500 C, on the preparation of refractory material from ferronickel slag, by ana-lyzing the phase and microstructural changes of ferronickel slag during sintering.
DetailsCustomer satisfaction is the prime focus of our company which has enabled us to emerge as a trustworthy exporter and trader. We deal with products like Purging Plug, Precast EAF Roof Shapes, Industrial Slag Dart Dispatching Machine, etc that are high in quality and worth the customer's money.
DetailsTo predict slag corrosion numerically, a transient 3D mathematical model that considers the fluid flow, heat, and mass transfer was developed. A dynamic corrosion experiment using the rotating immersion approach was carried out to assess the overall corrosion activation of the MgO-C refractory. An expression for the corrosion rate was …
DetailsThe corrosion behavior of alumina–chromia refractory against two kinds of industrial slags (coal slag and iron smelting slag) at 1550°C was investigated via thermodynamic simulations. In the proposed simulation model, the initial slag first attacks the matrix and surface aggregates and subsequently attacks the inner aggregates. The …
DetailsRefractory minerals are used to improve the performance of refractories products by imparting properties such as strength, protection from chemical and physical attack, and …
DetailsSince infiltrating materials from the process migrate through the pore structure, apparent porosity is a property to evaluate when selecting a refractory. Where there is a severe …
DetailsOPTA's slag conditioners are used to adjust slag chemistry and/or viscosity, facilitating efficient sulfur removal and inclusion engineering. In addition, slag conditioners enhance …
DetailsReducing the surface tension of slag or introducing non-wetting components to refractory can also reduce the wetting of slag on refractory, limit the slag invasion, and finally …
DetailsIt is also worth mentioning that slags typically have a low contact angle with ceramic refractories, for example, a MgO plug in contact with a CaO–SiO 2 –Al 2 O 3 (40/40/20) slag at 1400 °C defines a θ value below 32° [14]. For θ < 90°, the capillary force acts in favour of slag penetration into porous structures, and the infiltration ...
DetailsThree different castables were prepared as steel-ladle purging-plug refractory materials: corundum-based low-cement castable (C-LCC), corundum–spinel-based low-cement castable (C-S-LCC), and no-cement corundum–spinel castable (C-S-NCC) (hydratable alumina ρ-Al2O3 bonded). The properties of these castables were characterized with …
DetailsOPTA's slag conditioners are used to adjust slag chemistry and/or viscosity, facilitating efficient sulfur removal and inclusion engineering. In addition, slag conditioners enhance alloy yields, inclusion removal, refractory protection, and desulfurization.
DetailsPericlase. Periclase (MgO, M.P. 2825°C) is the most important refractory mineral in the metals industry. It can be found in the following refractories: magnesia, chrome-magnesia, forsterite-magnesia, spinel-magnesia, and dead-burned dolomite.Because of its high melting point, low cost (≈$270/ton), and resistance to corrosion by basic slags, it is used …
DetailsThe innovative slag-splashing process in converters enables the reuse of CO 2. However, the changes in slag–refractories interactions after applying the new technique are not yet clear. In this work, an approach was developed to thermodynamically simulate the slag–refractories interactions in slag-splashing processes.
DetailsThe refractory quality of high-alumina is usually higher than that of fireclay bearing refractories (better creep resistance and corrosion resistance). Alumina refractories contain a minimum of 60 wt% Al 2 O 3, although the Al 2 O 3 content can be >99% for specialty products. This type of refractories can be produced from fire clays …
DetailsAgainst the background of low global carbonization, blast furnace ironmaking technology with coking puts huge amounts of pressure on the global steel industry to save energy and reduce emissions due to its high pollution levels and high energy consumption. Bath smelting reduction technology is globally favored and studied …
DetailsQuality Slag Limiting Dart - find quality Refractory darts, Refractory & Refractory darts from Anhui YunTian Metallurgy Technology Co., Ltd of China Suppliers - 149464500. ... Slag stopping plugs are cone shapes with slots and its density leads to float at the interface between the liquid steel and slag in the furnace. The slag stopping plug is ...
DetailsThe influence of MgO content in slag on wetting and corrosion behavior between slag and MgO–C refractory was investigated. It can be known from the high-temperature wetting experiment that as the MgO content in the slag increases, the final contact angle between the slag and the MgO–C refractory gradually increases and the …
DetailsMetallic copper production via the pyrometallurgical route is hindered due to the increased presence of gangue in the clay minerals in copper sulfide concentrates and its unpredictable effect on this operation. In this study, the relationship between smelting copper slag composition, including the clay components and the refractory brick wear, …
DetailsWhere there is a severe chemical attack or attack from slag, a lower porosity can increase resistance. Modulus of Rupture Related to Refractory: Modulus of rupture (MOR) measures the flexural strength of a refractory. It is a key physical property. In the MOR test, a refractory is suspended across two points, and a force is applied between them.
DetailsPE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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