Testing method for run of RX500 gas regulator in Ning An
Safety shutoff valve cut-off pressure (Pq) detection: in order to ensure the normal operation of one pressure regulating station equipment to meet the supply of gas pipe network, first close the valve after another way of regulator, regulate the regulator to make the outlet pressure to reach the set value of safety cut-off pressure, observe whether the safety shutoff valve take off and cut off the gas source, according to this judge its. Whether the performance is stable, whether the work is normal, whether the action is flexible. Through the above detection methods can determine whether the voltage regulating equipment is running normally, whether the performance is stable, whether the action is flexible in place.
"Three pressure" for continuous gas supply and pressure regulating cabinet test (two)
So as to achieve timely troubleshooting (solve problems, ensure safe and reliable gas supply purposes). According to the above technical principles, in March 2016, we carried out technical transformation of Lanzhou gas pressure regulating station, installed fast safety shutoff valve, adjusted technical parameters, after the actual operation of observation, testing, stable and normal work.
In April, Lanwei Pressure Regulating Station due to one regulator overpressure (P2 = 3480Pa), resulting in rapid safety shutoff valve take-off cut off the gas source, the second regulator network pressure dropped to its set working pressure (p2 = 2200Pa), automatically open operation, to ensure normal gas supply, avoid an accident, to achieve a safe supply. The purpose of Qi.
"Three pressure" for continuous gas supply and pressure regulating cabinet test (two)
Up to now, there has not been an accident of overpressure, depressurization and gas shutdown in Lanzhou gas pipeline network, which has really realized the goal of safe and stable long-term operation.
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