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What is the maximum allowable concentration of CO in a gas-fired boiler?
What is the maximum allowable concentration of CO in a gas-fired boiler?
10 Dec 2021
In recent years, with the continuous development of new energy technology, China's energy utilization mode has changed from a single form in the past to various forms now. As a green fuel energy, natural gas is widely praised by all levels of society and widely developed and used. Therefore, gas-fired boilers have also become popular boiler equipment in contemporary society.
However, with the increasingly strict environmental protection policies of our country, it is also the top priority to reduce the emission pollution of gas-fired boilers. Boiler flue gas pollution includes nitrogen oxides NOx, carbon monoxide CO and so on.
According to the Hygienic Standard for Design of Industrial Enterprises GBZ1-2002, it stipulates that the maximum allowable CO concentration in the workshop is 30mg/m3, when the operation time is less than 30 minutes at a time, the allowable CO concentration can be relaxed to 100mg/m3, and when the operation time is 10 to 20 minutes, the maximum allowable CO concentration is 200mg/m3.
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