slag flow optimum

Recovery of Copper from Reverberatory Copper Slag and ...

The slurry was stirred by magnetic stirrer. A schematic flow diagram of the leaching of copper from copper slag is shown in Figure 1. RESULTS AND DISCUSSION Table I gives the chemical composition of the copper slag; the results are obtained by using X-ray ... copper slag. The optimum digestion temperature is 250oC, at which a high recovery of ...

Development of a Supporting System for an Optimum Coal ...

Fig.1 Flow chart of the supporting system for optimum coal gasifier operation The system monitors the slag flow and the gasification performance online to learn the relationship between operating conditions and gasification performance and to build a database, and has the function to set optimal operating condition automatically in

Optimal for dewatering of solids in water treatment systems

Spiral dewaterer – optimal for dewatering of slag and mill scales spiral dewaterer consists basically of an open trough with arrangements for collection of the products. The inlet flow is evenly spread out through a feed distributor. Coarse material settles and is continuously removed by means of the transport spiral.

Technical Report Improvement in Hot-Metal Dephosphorization

for the following charge, internally called "inverse-slag-flow refin-ing." In appreciation of this, after its development at Muroran Works, originally for producing ordinary carbon steels except for ... Therefore, there must be a certain optimum relationship between the bath stirring energy by …

Optimum Level of Replacement Slag in OPC–Slag Mortars

PDF | The present paper reports the testing of 14 OPC-slag mortars and 2 controls OPC and slag mortars. The main aim is to determine the optimum level of replacement slag for achievement to the ...

Xinjiang lignite ash slagging and flow under the weak ...

The addition of clay to raw coal ash and its dosage amount are crucial. At a mild combustion temperature of 1300 °C, the addition of 8–10wt{%} clay, on the ash mass basis to a basic lignite ash is the optimum, simultaneously accelerating both slag flow rate and Na retention in slag matrix.

"A Case Study on Optimum Days Rquired for Crushing Of ...

"A Case Study on Optimum Days Rquired for Crushing Of ... This slag are of two types:- one is granulated slag and other is boulder slag, the ... flow and storage of goods, services, and related information from point of origin to the point of consumption for

Slag - an overview | ScienceDirect Topics

Apr 04, 2012· Slag foaming occurs during steelmaking as well as the iron smelting processes, where the slag is expanded by the rising flow of gases injected to the melt and/or generated from the reactions inside the furnace. In BOF steelmaking, for example, slag slopping during decarburization is …

(PDF) IRJET- EFFECT OF BAMBOO FIBER AND SLAG AGGREGATE …

To find out the stability value, flow value, VA and we obtained Optimum Bitumen Content, stability value and VMA of SMA mix with bamboo fiber using stone flow values have been found. The maximum stability value aggregate and slag aggregate. of 10.5 kN and flow value is 4.1mm receptively is found on 5.5% of bitumen content and 0.4% of fiber ...

Blast furnace slag granulation at cast house – IspatGuru

May 05, 2013· Large volume of water is required (10 parts of water to 1 part of molten slag being optimum). During this process of quenching, the molten slag undergoes accelerated cooling under controlled water flow condition and gets converted into glassy sand with 97 % of the solid granulated slag particles less than 3 mm and an average size of around 1 mm.

Optimum Lining Performance for Particular Process Slags …

Optimum Lining Performance for Particular Process Slags in Metallurgical Vessels ... bulk to the reaction layer and vice versa by turbulent flow and diffusion was considered a more or less ...

LADLE REFINING AND SLAG CONDITIONING

b) Slag volume and fluidity requirements for optimum LF refining c) Slag fluidity requirements for operations with a LF and those without a LF d) Stirring, heating and argon flow rates in the ladle VI) Using phase diagrams to explain slag fundamentals and design slag recipes a) Utilizing the binary CaO-MgO system to explain binary diagrams

Foamy Slag Fundamentals and their Practical Application …

Foamy Slag Fundamentals and their Practical Application to Electric Furnace Steelmaking Eugene B. Pretorius and Robert C. Carlisle Baker Refractories York, PA Abstract This paper will define the slag compositions required to obtain and control optimum foamy slag conditions in the Electric Furnace. In defining the optimal slags, consideration is ...

Abrasive Blasting Process Optimization: Enhancing ...

rebounding particles. The optimum metering adjustment gives a very fine flow of abrasive that can be seen exiting the blast nozzle in a smooth and steady flow. In addition to smooth and easy adjustability, the metering valve should have quick clean-out capabilities when foreign materials cause plugging.

Multiphase Flow Behavior in a Single-Strand Continuous ...

inhibitors on the flow pattern, air and slag behaviors, and steel exposure in a five-strand bloom tundish during both steady-state casting and ladle change-over. They proposed that the optimal combination should be the trumpet ladle shroud and the circular turbulence inhibitor with the eave. Based on the analysis above, the multiphase flow behavior

Physical Simulation of Molten Steel Homogenization and ...

argon flow rate and slag thickness; the area of slag eyes decreases with the decrease of the argon flow rate and increase of slag thickness. The optimum argon flow rate is between 36–42 m3/h, and the double porous plugs injection mode should be adopted at this time.

Slag mobility in entrained flow gasifiers optimized using ...

Entrained flow gasification is a promising approach in clean and efficient utilization of coal as well as biomass. Knowledge of slag mobility is of fundamental as well as practical importance to maintain high performance in entrained flow coal or biomass gasification applications.

US4147332A - Method for recovering heat from molten slag ...

Molten slag discharged from a metallurgical furnace and flowing down from a slag trough is atomized by air jet into a primary heat-exchanger of rotary cylindrical type and hot slag granules thus obtained and air are caused to pass in a co-current therethrough so as to exchange the heat of the slag to the air flow to obtain a primary hot blast, then the hot slag granules discharged from the ...

An Experimental Study on Strength Development of Concrete ...

Optimum Blending of Fly Ash and Granulated Blast Furnace Slag . Ashok K Sahani1, Amiya K Samanta2, Dilip K Singhroy3. ... blast furnace slag on the flow ability of concrete as these materials may affect the plasticity of concrete. To examine the blending effect on hardened concrete of concrete after 7, 28, 60 & 90 days of curing. ...

SmartFurnace – AMI Automation

This Module controls the rate of DRI, HBI or Scrap in continuous feeding systems to maintain an optimum temperature profile, based on the actual heat conditions. SLAG MODULE This Module implements an online mass balance to model the slag composition and recommend fluxes to achieve the target basicity and MgO Saturation

Blast furnace - Wikipedia

The end products are usually molten metal and slag phases tapped from the bottom, and waste gases (flue gas) exiting from the top of the furnace. The downward flow of the ore along with the flux in contact with an upflow of hot, carbon monoxide-rich combustion gases is a countercurrent exchange and chemical reaction process.

NATIONAL SLAG MF 180-1 ASSOCIATION

The optimum conditions for pelletizing appear to be a uniform flow of basic slag that is as hot as possible, which favors a direct runner pelletizer(s) installed at the furnace (Figures 1 and 2).

Analysis of Slag Flow in Blast Furnace during the ...

Slag pellets were melted at 1500°C in coke or coke analogue funnels feeding into channels of known diameter. It was determined that there is a minimum channel diameter needed to allow free flow of slag. For the slag/coke systems tested, the minimum channel diameter ranged between 4.4 and 5.0 mm. The results were in good

SLAG VISCOSITY – EFFECTS OF POTASSIUM AND PHASE ...

flow gasifiers depends on the steady slag removal through a slag tap device. This is in turn depends strongly on the flow behaviour of slag. To achieve steady slag tapping in entrained-flow gasifiers, slag viscosity should be within a range from about 5 to 25 Pa s, with the optimum value of viscosity of approximately 15 Pa s [1-4].

(PDF) Physical Simulation of Molten Steel Homogenization ...

flow rate and increase of slag thickness. The optimum argon flow rate is between 36–42 m 3 /h, and

Model of Thermal-Fluid Flow in the Meniscus Region During ...

A computational flow model has been developed to study fluid flow in the meniscus region, the dynamic shape of the steel/slag interface, melting, flow, and resolidification of the mold powder into a solid slag rim, the consumption of slag into the gap between the steel shell and the …

Slag mobility in entrained flow gasifiers optimized using ...

Thermal conductivity of slags is an important factor to determine the temperature profile in entrained flow gasifiers. Therefore, the optimum slag system determined from the viscosity data is only the first step. 4. Conclusion. A structure-based viscosity model for multicomponent …

The formula for flow rate | mag

Casting simulation can be helpful here. This numerical simulation is primarily a mathematical description of the Bernoulli equation. It provides a graphical representation of the relationships between pressure and flow rate as a function of the optimum casting temperature for the various alloys.