Abstract
Statement of the problem. The variable composition of liquefied petroleum gas has a significant impact on the operation of autonomous gas supply systems. The presence of the butane fraction under conditions of sub-zero temperatures leads to the cessation of the generation of the vapor phase in the tank, moisture condensation and the formation of ice and hydrate plugs.Results. The features of the use of technical butane in gas supply systems are considered. The composition of the gas-air mixture is recommended, taking into account the restrictions on deviations in the Wobbe number, ensuring the completeness of combustion of the mixture in gas-using installations of the consumer. The level of filling underground tanks with technical butane is justified, taking into account the coefficient of volume expansion of gas in the presence of extreme operating temperatures.Conclusions. The composition of butane-based gas-air mixtures for gas supply to consumers was determined that meets the condition for the interchangeability of combustible gases and provides lower dew point temperatures; the level of filling of ground and underground tanks with technical butane is justified.
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