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Technical requirements for flue gas damper of petrochemical heating furnace

Technical requirements for flue gas damper of petrochemical heating furnace

(Summary description)The petrochemical heating furnace flue gas baffle technology clearly requires that the leakage rate when the sealed baffle is closed should not exceed 1%; for the sealed adjustment baffle, it should not exceed 3%.

Technical requirements for flue gas damper of petrochemical heating furnace

(Summary description)The petrochemical heating furnace flue gas baffle technology clearly requires that the leakage rate when the sealed baffle is closed should not exceed 1%; for the sealed adjustment baffle, it should not exceed 3%.

  • Categories:Company News
  • Time of issue:2021-09-13 15:58
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Information

The petrochemical heating furnace flue gas baffle technology clearly requires that the leakage rate when the sealed baffle is closed should not exceed 1%; for the sealed adjustment baffle, it should not exceed 3%.

Many places are equipped with flue gas waste heat recovery systems to cut off the flue gas bypass sealing baffle of the waste heat recovery system. It is the key equipment of the entire flue gas waste heat recovery system. When the waste heat recovery system is in normal use, the bypass flue gas sealing baffle must be closed as much as possible, otherwise, under the action of the induced draft fan (to be precise, the flue gas machine), cold smoke will be emitted. Pour into the air preheater. There are at least three shortcomings in this approach:

1. Cold smoke and hot smoke are mixed together to reduce the quality of the flue gas heat source and reduce the overall thermal efficiency of the heating furnace system;

2. Increase fan load and unnecessary energy consumption;

3. More importantly, in some cases, the flue gas may enter the dew point temperature in advance and corrode the air preheater.

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