Articles by Ralph Ruark

Carbon - Something Old, Something New

Processing requirements for carbon-based products are as variable as the allotropic forms of carbon itself.
By Don Buszinski, Bill Harasty, and Ralph Ruark
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Carbon is one of the earliest known elements. It was used by the Egyptians and Sumerians in the form of charcoal around 3750 B.C. for the reduction of copper, zinc, and tin ores in the manufacture of bronze.


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Ahead of the Curve

Each part of the firing curve must be evaluated in order to design a successful combustion system
By Don Buszinski, Bill Harasty, and Ralph Ruark
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To the neophyte, a kiln may look like a big box with burners and an exhaust system.


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Kiln Connection: A Farewell

By Ralph Ruark
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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

By Ralph Ruark
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What makes for a good kiln operating strategy?


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Kiln Connection: High-Velocity Burners

By Ralph Ruark
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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

By Ralph Ruark
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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

By Ralph Ruark
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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

By Ralph Ruark
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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

By Ralph Ruark
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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?

By Ralph Ruark
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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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