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High-pressure coal injection in zinc slag fuming NASA/ADS

Previous work has shown zinc slag fuming to be kinetically controlled by two basic processes: the rate of coal entrainment in the slag and the rate of oxidation of ferrous to ferric iron in the slag. In the present study, industrial trials and mathematical modeling analysis were undertaken to assess the efficacy of increased coal entrainment on zinc fuming rates. Various systems for increasing

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The Pressure Electroslag Remelting Process (PESR) :: Total

The pressure electroslag remelting process is a recent advancement and allows for the manufacture of new high nitrogen alloys with unique properties under pressures of several atmospheres. Much higher levels of nitrogen can be achieved due to the pressure applied above the slag which can be increased significantly above normal atmospheric

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Pressure Welding an overview ScienceDirect Topics

Forge, hammer, butt and oxyacetylene pressure welding are all techniques designed to make solid-phase welds at elevated metal temperature. In butt welding and oxyacetylene welding, the metal is simply heated to a high temperature (1200–1250 °C in the case of carbon steel) while the joint is subject to axial compression.

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What is GGBS? Its Advantages and Disadvantages

Oct 02, 2020· The slag is later granulated by cooling it. For this, it is allowed to pass through high-pressure water get. This results in the quenching of the particles which result in granules of size lesser than 5mm in diameter. The main constituents of blast furnace slag are Cao, SiO 2, Al 2 O 3, and MgO. These are the minerals that are found in most of

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Processing of Granulated Blast Furnace Slag and its

The most common process for granulating blast furnace slag involves the use of high water volume, high pressure water jets in direct contact with the molten blast furnace slag at a ratio of approximately 10 to 1 by mass. The molten blast furnace slag is quenched almost immediately to form a material generally smaller than a #4 sieve.

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Extraction of vanadium from vanadium slag by high pressure

To extract vanadium in an environment friendly manner, this study focuses on the process of leaching vanadium from vanadium slag by high pressure oxidative acid leaching. Characterizations of the raw slag, mineralogy transformation, and the form of leach residues were made by X-ray diffraction, scanning electron microscopy, and energy dispersive X-ray

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High-pressure coal injection in zinc slag fuming NASA/ADS

Previous work has shown zinc slag fuming to be kinetically controlled by two basic processes: the rate of coal entrainment in the slag and the rate of oxidation of ferrous to ferric iron in the slag. In the present study, industrial trials and mathematical modeling analysis were undertaken to assess the efficacy of increased coal entrainment on zinc fuming rates. Various systems for increasing

More

High Pressure Inline Swivel » Blast Booths Spray Paint

High pressure inline swivel for fitting between airless gun and hose. Provides free movement of hose without kinking. Large range of high-pressure fittings available in stock. Multiple locations mean quick access for you to spares.

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Extraction of vanadium from vanadium slag by high pressure

G.Q. Zhang et al., Extraction of vanadium from vanadium slag by high pressure oxidative acid leaching 23 Fig. 3. EDX images of the raw vanadium slag: (a) area 1; (b) area 2; (c) area 3; (d) area 4. time (C), the liquid–solid ratio (D) and the oxygen pressure (E), on the leaching rate of vanadium were investigated by an orthogonal experiment.

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Production of precipitated calcium carbonate (PCC) from

Therefore, in most of the previous studies, the use of steel slag in MC implied high pressure (>20 bar) and high temperature (>100°C) reaction conditions (Baciocchi et

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The Pressure Electroslag Remelting Process (PESR) :: Total

The pressure electroslag remelting process is a recent advancement and allows for the manufacture of new high nitrogen alloys with unique properties under pressures of several atmospheres. Much higher levels of nitrogen can be achieved due to the pressure applied above the slag which can be increased significantly above normal atmospheric

More

GE Energy (Formerly Chevron Texaco) Gasifier netl.doe.gov

The slurried feedstock is pumped to a custom-designed injector mounted at the top of the gasifier. The coal reacts exothermically with oxygen at high temperature (~ 2,200 to 2,700°F) and pressure (>300 psi) to form syngas and slag. No hydrocarbon liquids are produced in these high temperature conditions.

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In an instant, molten slag gushed over workers at Tampa

The high temperatures instantly turn the water to steam, creating high pressure within the enclosed tank. "If the slag is not properly controlled, a

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Importance of Hearth, Dead man and Tapping in Blast

Apr 13, 2016· The high pressure gradient in the slag phase can promote iron flow, or even drags iron up from below the taphole. As a result, iron and slag are drained together during the whole period of tapping. Slag first- This is opposite to the iron first pattern. In this pattern slag flows out initially and iron after a delay.

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What is Casting Defects Types, Causes and Remedies

Nov 11, 2017· It is the enlargement of the mold cavity because of the molten metal pressure, which results in localised or overall enlargement of the casting. High permeability sand should be used. (iii) Sand of appropriate grain size should be used. Remove slag particles form the molten metal before pouring it into the mold cavity.

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