Problems with torch line flow meters
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The flare system is usually turned off; it automatically ignites as soon as gas is discharged into the flare line. However, it’s difficult to determine which device is the problem, so each device has to be checked one by one. Since the flare lines of all devices are connected to the main pipeline, isn’t there a flow meter that can be installed at the outlet of each device to indicate when fluid is flowing? That way, there would be no need to check each device individually
This needs to be determined based on the properties of the materials used in your system; there are various methods that can be employed. If there is a significant temperature difference between the materials as they vaporize or between the materials themselves and the surrounding environment, this can be monitored by tracking the temperature of the flare line； Additionally, pressure gauges can also be installed at the outlets of the flare lines on various units, allowing pressure monitoring to be carried out as well ； It is also possible to consider installing flow switches on the bituminous coal pipeline for monitoring.
Domestic plug-in thermal mass flow meters should be quite good
Does a thermal mass flow meter pose a risk of ignition?
Just install a pressure switch; it’s inexpensive and will achieve the desired effect
We currently rely on measuring the temperature of the pipelines; whenever there’s a problem with the flame, we check the temperatures before and after the safety valve. It’s very tiring for the operators to take care of several towers
We installed it on the flare line of one of our units