Furnace negative pressure gauge
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There are two negative pressure gauges, one on the north side and one on the south side, of the hydrogen production converter. When there is no wind, everything is normal; however, when strong winds blow, the negative pressure gauge on the south side shows only slight fluctuations and maintains a constant negative pressure, while the gauge on the north side experiences greater fluctuations, sometimes dropping to 0. The range of both gauges is -200 to 100 Pa. There is an instrument panel on site, so this does not affect the negative pressure chamber, and the gauges function properly when checked separately. It is suspected to be due to process-related reasons; what phenomenon is causing it, siphoning? Have any fellow practitioners encountered this situation? . .
Confirm that the negative pressure indeed has no impact before considering process-related factors; since there is air in the conversion furnace, overall pressure fluctuations should not be significant! This reason is the hardest to investigate