Gas leak detector should pay attention to the problem
Published:
2023-03-24
In general, there are many differences in the selection criteria for gas leak detectors, such as different grades of leak detectors environmental application requirements are also different. Therefore, according to the various types of safety production and detection requirements, choose the appropriate gas leak detector, the use of gas leak detector should pay attention to what issues? Let's take a look at it!
In general, there are many differences in the selection criteria for gas leak detectors, such as different grades of leak detectors environmental application requirements are also different. Therefore, according to the various types of safety production and detection requirements, choose the appropriate gas leak detector, the use of gas leak detector should pay attention to what issues? Let's take a look at it!
Gas leak detector notes:
1, according to the site airflow direction, wind direction and other specific factors, when a large number of leaks, to determine the direction of gas gas leakage.
2、Where there is a gas leak, the detector should be set on the plane above the leak point.
3、Define which leaks may exist in the monitored device, analyze their leak pressure, direction and other factors, draw a probe location distribution map, and divide it into three levels according to the severity of the leak.
4、According to the density of the leaking gas (greater than or less than air), combined with the trend of air flow, draw a three-dimensional flow trend map of the leak, and draw the initial set point program in its flow downstream location.
5、For media with gas density greater than air, the detector should be installed in the plane below the leak point and pay attention to the characteristics of the surrounding environment. For places where gas gas tends to accumulate, special attention should be paid to the setting of safety monitoring points.
6、Study the leakage state of the leak point is a minor leak or jet-like. If it is a minor leak, the location of the setting point must be made close to the leak point. If it is a jet-like leak, keep it far from the leak point. Combine these situations and make a plan. This will allow you to estimate the quantity and variety to be purchased.
7. For places with larger gas leaks, set a check point every 10-20m according to the relevant regulations. Unattended small discontinuous operation of the pump room, need to pay attention to the possibility of gas gas leakage, generally need to set up a detector in the downwind.
8, for the open environment with gas body diffusion escape, if the lack of good ventilation, it is also easy to approach or reach the content of gas gas in the air in a certain part, these are not negligible safety monitoring points. The analysis of field accidents shows that more than half of them are caused by improper installation and inspection. Therefore, in order to reduce failures, it is necessary to introduce precautions for proper setup and inspection.
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