First of all Natural gas fuel usually contains a lot of hydrogen, which produce a large amount of water vapor . Burning per 1 Nm3 natural gas can produce 1.71 kg water vapor, latent heat of the vaporization is about 4000KJ, occupying about 10% low catorific value of natural gas. When the exhaust gas temperature is too high, water vapor condense and release heat, flows follow the flue gas and cause the waste of heat. Meanwhile, high temperature flue gas also takes a lot of sensible heat, big loss of flue emission. While installed with condenser can overcome these disadvantage and save energy, improve the thermal efficiency.
First of all Natural gas fuel usually contains a lot of hydrogen, which produce a large amount of water vapor . Burning per 1 Nm3 natural gas can produce 1.71 kg water vapor, latent heat of the vaporization is about 4000KJ, occupying about 10% low catorific value of natural gas. When the exhaust gas temperature is too high, water vapor condense and release heat, flows follow the flue gas and cause the waste of heat.
Meanwhile, high temperature flue gas also takes a lot of sensible heat, big loss of flue emission. While installed with condenser can overcome these disadvantage and save energy, improve the thermal efficiency.
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