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Edward Lowton
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ARTICLE
Combustion control
17 April 2013
Energy Technology & Control's ETC6009 combustion controller enables bio and off gases to be burnt independently or blended with a base fuel in proportion to the amount available at a given time. An external 4-20mA signal determines the proportion of bio or off gas that is used as part of the modulation rate.
Energy Technology &
Control's ETC6009
combustion controller
enables bio and off gases
to be burnt independently
or blended with a base
fuel in proportion to the
amount available at a
given time. An external 4-20mA
signal determines the proportion of
bio or off gas that is used as part of
the modulation rate.
If there was 50% bio or off gas available and heating demand was 75%, then 50% would be bio or off gas and 25% base fuel. If demand for heat was 40%, all of this would be made up of the bio or off gas. ETC says it is not possible to fire some bio and off gases independently due to their low calorific values. ETC6009 ensures that a minimum amount of base fuel is always fired on profiles when these gases are used.
If there was 50% bio or off gas available and heating demand was 75%, then 50% would be bio or off gas and 25% base fuel. If demand for heat was 40%, all of this would be made up of the bio or off gas. ETC says it is not possible to fire some bio and off gases independently due to their low calorific values. ETC6009 ensures that a minimum amount of base fuel is always fired on profiles when these gases are used.
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