Method and device for monitoring leakage gas diffusion concentration

Abstract

The invention discloses a method and a device for monitoring diffusion concentration of leaking gas. The method comprises: acquiring the coordinates in a geographic coordinate system of a leakage source and the position point corresponding to a monitoring point in geographic area, and leakage intensity of the leakage source; determining the coordinates in a Cartesian coordinate system of the leakage source and the monitoring point based on the coordinates in the geographic coordinate system of the leakage source and the position point corresponding to the monitoring point and the average wind angle in geographic area; determining the actual diffusion coefficient at the monitoring point based on the coordinates in the geographic coordinate system of the leakage source, meteorological parameter in geographic area, monitoring time, and the coordinates in the Cartesian coordinate system of the monitoring point; determining the diffusion concentration of leaking gas at the monitoring point based on the actual diffusion coefficient at the monitoring point, coordinates in the Cartesian coordinate system of the leakage source and the monitoring point, and the leakage intensity. As a result, the diffusion concentration of leaking gas can be monitored accurately under the condition of large fluctuating change of the landform.

Description

technical field [0001] The invention relates to the field of leakage gas concentration monitoring, in particular to a method and device for monitoring the diffusion concentration of leakage gas. Background technique [0002] With the continuous advancement of industrial technology, human beings will face more and more safety production problems, pollution discharge problems, etc., and the gas (especially toxic gas) leakage problem is one of them. The leaked toxic gas will spread rapidly under the action of the wind, causing poisoning, casualties, and even major and catastrophic accidents in a large area. Therefore, once a toxic gas leakage accident occurs, it is necessary to quickly evacuate the residents within a certain range around the leakage source while quickly controlling the leakage, and carry out rescue of poisoned personnel. All of these need to first determine the gas diffusion range and trend, so as to determine the vigilance. and evacuation range, evacuation ro...

AI Technical Summary

Problems solved by technology

The leaked toxic gas will spread rapidly under the action of the wind, causing poisoning, casualties, and even major and extreme accidents in a large area

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