To establish the calorific value of a hydrocarbon in a mixture, at the exhaust gas of a gas heating system on starting up, the dew point temperatures are measured after the heat exchanger over time

摘要

To establishing calorific value of hydrocarbon among several, when starting up gas heating system with heat exchanger, the dew point temperature is determined in exhaust gas. dew point temperature is measured at heat exchanger, for exhaust gas temperature to be registered over time span. Evaporation of precipitated condensation water level from heat exchanger gives dew point temperature curves. To establish the calorific value of a hydrocarbon among several, when starting up a gas heating system with a heat exchanger, the dew point temperature is determined in the exhaust gas. The dew point temperature is measured at the heat exchanger, next to or related to the exhaust gas flow, for the exhaust gas temperature to be registered over a time span. The evaporation of the precipitated condensation water level from the heat exchanger gives the dew point temperature curves, for the ratio between the carbon and hydrogen to be computed in the exhaust gas.