Articles Tagged with ''air-to-fuel ratio''

PH0821 Honeywell combustion systems ZIO High Temp
Combustion Control

Achieving Effective Control of Process Heating Combustion Systems

Careful selection of combustion control methods and equipment helps optimize the control of industrial heating systems.
Brian Kelly, Honeywell Thermal Solutions
August 24, 2021
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Power is nothing without control. You can have the best, most technically advanced burner. If the burner is not properly controlled, and the heat is not applied appropriately during the production process, the result will be disappointing — or worse.


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How Reducing Excess Combustion Air Helped One Industrial Plant

Better air management can lead to significant improvements as it did at a major car manufacturer in the Midwest where approximately 240,000 vehicles are manufactured per year.
Mark Lampe
February 9, 2015
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Better air management can lead to significant improvements as it did at a major car manufacturer in the Midwest where approximately 240,000 vehicles are manufactured per year.
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Excess Air: Is it Such a Big Deal?

Setting up combustion systems for too much excess air (or dilution air) wastes fuel. Here's how to know if you are wasting natural gas in your industrial oven.
Dick bennett 300
Dick Bennett
October 9, 2006
One Comment
It's a well-established fact that setting up combustion systems for too much excess air (or dilution air) wastes fuel. You can use this relationship to calculate just how much you can save by decreasing excess air:

% Fuel Savings = 100 x [1- (Available Heat, High XS Air/Available Heat, Low XS Air)]
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Burners and Their Control, Part 5

Effective industrial burner control relies on selecting the proper combustion control method.
Dick bennett 300
Dick Bennett
September 1, 2000
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I'll wrap up this series of columns with a look at some more ratio control systems. These are less used on ovens, dryers and low temperature processes, but you may run into them where special conditions require their unique features.
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Burners and Their Control, Part 4

Effective industrial burner control relies on selecting the proper combustion control method.
Dick bennett 300
Dick Bennett
August 1, 2000
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Now that you understand the ways combustion air-fuel ratios can be controlled, I'll describe the three most common systems used to achieve that control: linked valves, cross-connected regulators, and fixed air systems.
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Burners and Their Control, Part 3

Effective industrial burner control relies on selecting the proper combustion control method.
Dick bennett 300
Dick Bennett
June 1, 2000
No Comments
In addition to controlling the air and fuel flows individually, you need to tie the two control systems together to set and hold repeatable air-fuel ratios for flexibility, efficiency and safety while the burner system cycles between high and low fire. Before I get into the mechanics of it, I'll look at the different ways combustion air-fuel ratios can be controlled.
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