Loading unloading operation technology of hydrogen long tube trailer

Loading unloading operation technology of hydrogen long tube trailer

(1) Place the hydrogen long tube trailer in accordance with the requirements of the hydrogen filling station, ensure that the hydrogen long tube trailer is in an immovable state according to the "anti-pulling procedure".

(2) Connect the ground wire.

(3) Confirm that the instruments valves of the hydrogen long tube trailer are flexible reliable; for those that are flexible, repair replace them in time to ensure the safety of filling.

(4) Confirm that the residual gas of the hydrogen long tube trailer is qualified, you can take a sample on site to analyze the residual gas. Special attention must be paid to the new hydrogen long tube trailer the first filling after overhaul.

(5) Connect the filling hose.

(6) Open the hydrogen long tube trailer shut-off valve the drain / displacement valve purge the replacement hose. After passing, close the drain / displacement valve.

(7) Open the stop valve of the filling row to fill the hydrogen long tube trailer. Check for hydrogen long tube trailer valves fittings for leaks during filling.

(8) When the hydrogen long-tube trailer reaches its filling pressure (considering temperature correction), close the stop valve of the filling row the hydrogen long-tube trailer stop valve each long bottle valve.

(9) Analyze product purity if necessary, record analysis results filling pressure.