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WANG Qin, CHEN Wei. The Structural Design Discussion of Desulfurization Anti-corrosion Flue Gas Duct[J]. SOUTHERN ENERGY CONSTRUCTION, 2018, 5(S1): 146-149. DOI: 10.16516/j.gedi.issn2095-8676.2018.S1.026
Citation: WANG Qin, CHEN Wei. The Structural Design Discussion of Desulfurization Anti-corrosion Flue Gas Duct[J]. SOUTHERN ENERGY CONSTRUCTION, 2018, 5(S1): 146-149. DOI: 10.16516/j.gedi.issn2095-8676.2018.S1.026

The Structural Design Discussion of Desulfurization Anti-corrosion Flue Gas Duct

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  • Received Date: April 05, 2018
  • Revised Date: July 01, 2018
  • [Introduction] The structural design of desulfurization anti-corrosion flue gas duct in wet FGD is always a difficult point. [Method] Technical code for design of thermal power plant air & flue gas ducts/raw coal & pulverized coal piping(DL/T 5121-2000) and the auxiliary calculation method,which is used to guide the design of thermal power plant air & flue gas ducts, make no distinction between desulfurization anti-corrosion flue gas duct and usual flue gas duct design, and for larger stiffener, combined stiffener cross section parameters of ([8~[22a) and (I10~I28a) were only listed in the code, it limited the usage specifications of stiffener. [Result] Combining the engineering fact, this paper revises the rigidity calculation formula of stiffener space according to the plate allow deformation of desulfurization anti-corrosion flue gas duct. [Conclusion] The design detail of cross & triangle inner brace is proposed to reduce the difficulty of anti-corrosive construction. This paper also gives a simple method to expand combined stiffener cross section parameter, thus to provide some reference for the design of desulfurization anti-corrosion flue gas duct.
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