Thema der Nachricht: trim air ...again,please help тема нефтянка и регенерация серы...вот контекстTrim Air Control The trim air valve (depending on acid gas feed rate) is initially adjusted manually to fine-tune the airflow to the Reaction Furnace combustion chamber. The trim air valve is sized for 10% of the main airflow and provides finer adjustment of the total air flow. When the Claus stage tail gas analyzer, AIC-4248 (or AIC-4448), is operating reliably and showing an H2S/SO2 ratio of 2:1 with the trim valve in the control range, switch the trim air controller, FIC-4112 (or FIC-4312), over to automatic control. |
так тут же все написано - клапан точной регулировки подачи воздуха |
ИМХО регулировка пневмоклапана |
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