What position does the furnace negative pressure -20--50 refer to?
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What position does the furnace negative pressure -20--50 refer to?
The top of the radiation chamber, at the entrance to the convection chamber
The furnace negative pressure, usually in kpa, is measured at the top of the radiation chamber and at the entrance to the convection chamber!
The measurement position is generally set at the top of the radiation chamber and at the entrance of the convection chamber. Our newly designed heating furnace has pressure measuring points above and below. Generally, the lower part is generally controlled at 80pa. Units generally don't use kpa. If the negative pressure is 20 to 50 kpa, that's too much, and the burner should be put out long ago!
The poster's question is too general. It could be the furnace radiation chamber, or the furnace negative pressure on top of the radiation chamber.； However, for furnace operation requirements, it should be a negative pressure in the furnace at the top of the radiant chamber.
Furnace negative pressure usually refers to the negative pressure at the exit of the radiation chamber, which is generally -20~-40Pa.
It refers to the negative pressure at the exit of the radiation chamber, generally between -20~-50Pa.