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Home » Topics » Columns » Kiln Connection

Kiln Connection
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Ralph Ruark, registered professional engineer and founder of Ruark Engineering Inc., addresses topics surrounding kilns and firing in order to help manufacturers improve their operations.

ARTICLES

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Kiln Connection: A Farewell

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Ralph Ruark
February 1, 2013
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I’ve been so lucky. More than a decade ago, Ceramic Industry asked me to write the Kiln Connection column, and it has brought me great friendships and a wealth of knowledge.


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Kiln Connection: Improving Operations

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Ralph Ruark
November 1, 2012
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What makes for a good kiln operating strategy?


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Kiln Connection: High-Velocity Burners

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Ralph Ruark
September 4, 2012
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High-velocity (HV) burners have been installed on many older kilns, typically with the goal of achieving better temperature uniformity and efficiency.
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Kiln Connection: Ensuring Burner Accuracy

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Ralph Ruark
June 1, 2012
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Upon reviewing kiln data, I often find errors that are either designed into a system or operator induced. Many of these issues can prevent burner setup accuracy. 


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Kiln Connection: Pressure Control in Tunnel Kilns, Part 2

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Ralph Ruark
February 23, 2012
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As discussed in Part 1 (CI, September 2011), internal kiln pressure in a tunnel kiln governs airflow direction and affects temperature uniformity, soaking time, and energy consumption. Management of the kiln pressure profile makes a huge difference in kiln stability.
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KILN CONNECTION: Repairing and Protecting Kiln Linings

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Ralph Ruark
December 1, 2011
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Columnist Ralph Ruark describes a method of repairing and protecting kiln linings.
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KILN CONNECTION: Pressure Control in Tunnel Kilns

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Ralph Ruark
September 1, 2011
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Feeling the pressure lately? New boss, job, wife or kid? How about a new kiln? I can't help you with the first four, but I hope that I can help
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KILN CONNECTION: Tunnel Kiln Killing You?

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Ralph Ruark
June 1, 2011
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Figure 1. Kiln temperature data at various locations in the kiln setting. Kilns should be the foundation of the ceramic factory, producing consistent results, creating zero defects and performing efficiently.
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KILN CONNECTION: Understanding Variability

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Ralph Ruark
April 1, 2011
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Figure 1. The differences in temperature and the relative heating rates in this kiln are completely location-dependent. "Variability is the enemy of quality." This has become the battle cry for
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KILN CONNECTION: Focus on Color

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Ralph Ruark
February 1, 2011
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I am flying home as I write this column, having spent the last week working for a small company in the center of Mexico. It was a wonderful trip-great weather,
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