Feasibility of In-Situ Process Monitoring of Glass Melt in Industrial Furnace using Microwaves

doi:10.23919/URSIAP-RASC.2019.8738424

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Feasibility of In-Situ Process Monitoring of Glass Melt in Industrial Furnace using Microwaves

Proceedings Article•DOI•

Feasibility of In-Situ Process Monitoring of Glass Melt in Industrial Furnace using Microwaves

Balamurugan T. Sivaprakasam¹, G. Sugilal², J. G. Shah², Kailash Agarwal², C. V. Krishnamurthy¹, Kavitha Arunachalam¹ - Show less +2 more•Institutions (2)

Indian Institute of Technology Madras¹, Bhabha Atomic Research Centre²

01 Mar 2019-

TL;DR: In this article, an engineering scale induction-heated glass melter using microwaves was used to measure the level of the glass melt using an off-centered port in an induction glass melting furnace, and the microwave sensor is a corrugated horn used in mono static RADAR (RADAR) mode operating over 20 to 24 GHz with 20 dB gain.

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Abstract: Non-contact measurement of the level of molten glass is demonstrated in an engineering scale induction-heated glass melter using microwaves. The microwave sensor is a corrugated horn used in mono static RADAR (RAdio Detection and Ranging) mode operating over 20 to 24 GHz with 20 dB gain. The ability to measure the level of the glass melt is demonstrated using an off-centered port in an induction glass melting furnace.

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Journal Article•DOI•

Microwave sensor for molten glass level measurement

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Massimiliano Pieraccini¹, Daniele Mecatti¹, Devis Dei¹, Filippo Parrini¹, G. Macaluso¹, Alessandro Spinetti¹, F. Puccioni - Show less +3 more•Institutions (1)

University of Florence¹

01 Jun 2014-Sensors and Actuators A-physical

TL;DR: In this article, a level sensor based on radar interferometry technique is proposed, it is designed to provide high accuracy measurements, high reliability and a very low maintenance, and it is used for the measurement of molten glass level in glass furnaces.

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Abstract: Measurement of molten glass level in glass furnaces is a key issue for the control of the production process. Nowadays several different technologies shall be used for this purpose, with their advantages and drawbacks. In this paper a novel level sensor is proposed, it is based on radar interferometry technique, and it is designed to provide high accuracy measurements, high reliability and a very low maintenance.

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19 citations

"Feasibility of In-Situ Process Moni..." refers background in this paper

...As microwave is not significantly influenced by temperature and pressure variations, and the presence of cover gas, it was proposed for measuring the displacement in the level of the molten glass [1]....
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Journal Article•DOI•

An Ultrasonic Instrument for Continuous Measurement of Sodium Levels in Fast Breeder Reactors

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L. S. Boehmer¹, R. W. Smith•Institutions (1)

Westinghouse Electric¹

01 Feb 1976-IEEE Transactions on Nuclear Science

TL;DR: In this article, an ultrasonic level measurement system which provides a continuous digital readout over a range of 3 to 180 inches, was tested in 500°F liquid sodium and proved to be accurate and reliable, required no initial warm-up period and experienced no long term drift.

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Abstract: An ultrasonic level measurement system which provides a continuous digital readout over a range of 3 to 180 inches, was tested in 500°F liquid sodium. The system proved to be accurate and reliable, required no initial warm-up period and experienced no long term drift. Modifications can extend the present operating temperatures to greater than 1200°F.

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16 citations

"Feasibility of In-Situ Process Moni..." refers background in this paper

...Acoustic sensors are also proposed for high temperature level measurement of molten glass [2-3]....
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Journal Article•DOI•

Design and Demonstration of a RADAR Gauge for In-Situ Level Measurement in Furnace

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Balamurugan T. Sivaprakasam¹, C. V. Krishnamurthy¹, Kavitha Arunachalam¹•Institutions (1)

Indian Institute of Technology Madras¹

15 May 2018-IEEE Sensors Journal

TL;DR: In this article, a specially designed air-cooled compact antenna for non-contact real-time radio detection and ranging (RADAR)-level measurement in furnace is proposed.

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Abstract: A specially designed air-cooled compact antenna is proposed for non-contact real-time radio detection and ranging (RADAR)-level measurement in furnace. 3-D modeling is used to optimize the surface profile of the RADAR antenna for beam symmetry and low sidelobe level over 20–24 GHz. The fabricated RADAR sensor deployed in mono-static mode has 0.19-mm measurement error for a static target. Measurements in a closed furnace at 1100 °C demonstrate the feasibility of non-contact in-situ monitoring of the level of molten metal for long duration (11 hours) without degradation in the sensor performance.

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13 citations

"Feasibility of In-Situ Process Moni..." refers background or methods in this paper

...The location of the metal plate from the antenna aperture, was determined by processing the frequency domain continuous wave (CW) reflections gathered by the antenna using a microwave signal analyzer following the procedure explained in [4]....
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...Recently, we proposed an air cooled corrugated horn antenna operating over 20-24 GHz for non-contact sensing of the absolute level of molten mass in a furnace [4]....
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Journal Article•DOI•

Development of the ultrasonic buffer rod for the molten glass measurement

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Tomonori Ihara¹, Nobuyoshi Tsuzuki¹, Hiroshige Kikura¹•Institutions (1)

Tokyo Institute of Technology¹

01 Jul 2015-Progress in Nuclear Energy

TL;DR: In this paper, an ultrasonic buffer rod for high temperature fluid especially for the molten glass was designed and demonstrated, and the buffer rod tested has tapered shape and cladding on the side wall as a further suppression of trailing echo.

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9 citations

"Feasibility of In-Situ Process Moni..." refers background in this paper

...Acoustic sensors are also proposed for high temperature level measurement of molten glass [2-3]....
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Journal Article•DOI•

Indigenous development of induction skull melting technology for electromagnetic processing of refractory and reactive metals and alloys

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G. Sugilal¹, J. Jha¹, Shashikumar¹, M. H. Rao¹, K. Banerjee¹, Gautam Kumar Dey¹ - Show less +2 more•Institutions (1)

Bhabha Atomic Research Centre¹

01 Jan 2016-Materials Today: Proceedings

TL;DR: In this article, a set of numerical simulations was carried out initially to arrive at the design parameters of a segmented cold crucible based on these parameters, an induction skull melting (ISM) facility comprising a water-cooled segmented copper crucible with in-situ casting module, induction heating power supply system, cooling water recirculation system, vacuum chamber with vacuum delivery system and associated instrumentation & control units was built.

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4 citations

"Feasibility of In-Situ Process Moni..." refers background in this paper

...The details of the cold crucible induction melter used for level measurement can be found in [5]....
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...Figure 3 shows the illustration of the Cold Crucible Induction Melter (CCIM) with capacity of about 100 kg of molten glass [5]....
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