DEVICE FOR PREPARING PULSE GAS FOR AIR SYSTEMS OF VALVING DEVICES OF PIPELINES Russian patent published in 2004 - IPC

FIELD: pipeline systems.

SUBSTANCE: device has system of pipelines, electrical equipment, block for automatic control, and unit for gas drying and purification connected with the pipeline. The unit for drying and purification has water-and-oil separator-filter, blowing chamber, two absorbers, whose inlets are provided with stop electrically-driven valves and outlets are provided with check valves, and end filter connected in series. The separator-filter is connected with the blowing chamber through the accumulating vessel and stop valve. The absorbers are connected with the blowing chamber through stop air-operated valves. The pipeline which connects the absorbers with the blowing chamber is additionally provided with expansion chamber interposed between the stop air-operated valves and the check valve. The expansion chamber has nozzle and reflection plate.

EFFECT: enhanced efficiency and reliability of operation.

1 cl, 3 dwg