rotating impeller degassing

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Degassing of magnesium alloy by rotating impeller degasser ...

19 Jul 2013 ... A mathematical model was used to simulate the removal of hydrogen from magnesium alloy by a rotary impeller. It has been shown that the ...

Rotary degassing - Giesserei Lexikon

Rotary degassing devices impeller devices are suitable for scavenging gas treatments in the crucible or in the ladle between the furnace and casting lo ion; the ...

Degassing Processes and Techniques Rotary Impeller Table

25 Nov 2017 ... ... reducing quantity of hydrogen in a of liquid metal is called Degassing ... Techniques Gas Purging Graphite lancing Rotary Impeller Table.

PDF Physical Modelling of an Aluminium Degassing ...

5 Aug 2010 ... PDF A hydrodynamic study of aluminum degassing by the rotating impeller technique was developed through experimental measurements ...

Modelling of Technological Parameters of Aluminium ... - MDPI

6 Feb 2021 ... Attention is focused on the assessment of relevant parameters for the degassing process—rotary impeller speeds, volume flow rate of inert gas, ...

Effect of the Impeller Design on Degasifi ion Kinetics ... - MDPI

10 Apr 2017 ... created by the rotation of the impeller and the flow of injected purge gas, ... The last relevant contribution to the modeling of rotary degassing ...

Effects of rotating impeller degassing on microstructure and ...

15 Jul 2003 ... The rotating impeller degassing technique is an Al melt degassing technique, which was developed in 70 and 80 s. Inert gases, N2, were ...

Mathematical modeling and computer simulation of molten ...

15 Sep 2005 ... ... of molten metal cleansing by the rotating impeller degasser: Part I. Fluid flow ... Rotary degassing involves purging a gas into the molten alloy ...

The Effects of Rotary Degassing Treatments on the Melt ...

20 Feb 2020 ... During this process, Ar or N2 gas is injected into the melt through a rotating impeller, which provides evenly distributed, small-sized gas ...

Influences of different degassing processes on ... - CORE

In this paper, the relationships among degassing rate and gas flow, rotational speed, refining time, and stewing time during the rotary impeller degassing for. 4004 ...

Rotary Inert Degasser - Porosity Solutions

Rotary degassing works on the principle of increasing the surface area of an insert gas exposed to the metal. The larger surface area increases the rate of transfer ...

Chapter I - Worcester Polytechnic Institute

25 Jun 2003 ... removal of dissolved hydrogen and unwanted solid particles from molten aluminum alloys by the rotating impeller degasser, and to develop a ...

Nitrogen Injection in Molten Aluminum in a Tank Degasser

In this process an inert gas argon or nitrogen enters into the molten aluminum through a rotating impeller with several nozzles. The gas bubbles are generated by ...

Removal of Hydrogen and Solid Particles from Molten ...

Aluminum Alloys in the Rotating Impeller Degasser: ... dissolved hydrogen from molten aluminum alloys by rotary degassing has become a widely used foundry.

Defoaming, Degassing Pump, Degassing Equipment

This defoaming/degassing pump, with an interlocked vacuum pump, extracts ... the gas-liquid mixture is pushed against the periphery and stratified by rotation of ...

Effect of Gas Bubbling and Impeller Agitation on Degassing ...

Effect of Gas Bubbling and Impeller Agitation on Degassing Kinetics during Magnesium Alloy AZ91D Melt Recycling – Water Model Approach. 1391.

A hollow exponential ultrasonic horn for aluminum melt ... - DOI

A simple aluminum melt degassing system employing the proposed hollow horn and rotary impeller was used to experiment on ZL101A aluminum melt, and the ...

Part II. Removal of hydrogen gas and solid particles

In this method, a specially designed impeller rotates inside the melt and gas is ... simulation of the entire rotary degassing melt-cleansing process including the ...

US20160040265A1 - Rotary degasser and rotor therefor ...

More particularly, the invention relates to a device, such as a rotary degasser, ... The molten metal/gas mixture is displaced radially by the impeller as it rotates.

New Trends in Aluminium Degassing –A ... - CiteSeerX

Ultrasonic degassing is compared with rotary impeller degassing using argon and nitrogen as purging gases. Results characterization focuses the assessment ...

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rotating impeller degassing