Abstract
This article analyzes the causes of accidents on overhead gas pipelines. Special attention is paid to the operating conditions of gas distribution and gas consumption systems. The main measures aimed at reducing the environmental danger of gas supply systems operation have been identified. The main methods of increasing the reliability of gas distribution systems in the design of gas networks are considered. The complex index of reliability of gas distribution systems is used, which allows choosing the optimal version of the gas supply system.
Highlights
The main task of the gas distribution system is the hourly gas supply to consumers
It is necessary to exclude the possibility of gas leakage from underground gas pipelines, which may contribute to the formation of gas-air mixture.The reliability of the distribution system of gas supply is the ability to transport the required amount of gas for consumers
- Installation of gaseous analyzers, which determine the concentration of combustible gases in the premises and signal to the control center and to the executive locking body in case of permissible concentrations exceeding
Summary
The main task of the gas distribution system is the hourly gas supply to consumers. In addition, it is necessary to exclude the possibility of gas leakage from underground gas pipelines, which may contribute to the formation of gas-air mixture.The reliability of the distribution system of gas supply is the ability to transport the required amount of gas for consumers. The main criterion for the reliability of gas distribution systems is the probability of their failure-free operation during a given time P(t). Another distinctive feature of gas distribution systems is their social character, as they serve people and ensure their normal livelihoods.
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