Analysis of Harm and Benefit of Overload Operation of Gas Regulator
Overload operation of pressure regulator has many hazards to the safe operation of urban gas transmission and distribution system. Firstly, the pressure regulator itself is likely to suffer sudden damage due to overload operation, resulting in overpressure or low pressure or even no pressure operation of gas pressure in the gas pipeline after the pressure regulator, resulting in large-area overpressure or insufficient or even large-area air supply. No gas, and then a major operation accident.
It seriously endangers the safety of life and property of users in the region. Secondly, the over-load operation of the regulator will cause difficulties in regulating and distributing the operating pressure and flow rate of the gas in the upper pipeline network, which will make the gas pipeline network of this level system operate in abnormal conditions, and then affect the normal operation of the regulator of the upper level and the normal operation of the gas transmission equipment in the gas station. It can increase the leakage of gas pipeline network, increase the energy consumption needed for gas transmission, shorten the repair cycle and service life of gas transmission equipment, increase the repair amount of gas pipeline network, and increase the difficulty of management of gas transmission equipment operation in gas stations. It not only reduces the safety and reliability of the whole city gas transmission and distribution system, but also increases the cost of gas transmission and operation. Thirdly, the overload operation of the regulator increases the difficulty of the management of the regulator operation, and shortens the maintenance cycle and service life of the gas regulator.
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