Effect of horizontal swingangle of boiler ember afterburn air on reheated steam temperature in reverse double tangential circular combustion boiler
In order to test whether the austenitic stainless steel pipe on the boiler heating surface of a coastal power plant has a safety hazard due to improper storage.The improperly stored TP347H and S30432 tubes were taken for macroscopic inspection,chemical element analysis,intergranular corro-sion test,mechanical property test,and metallographic examination.The results show that the prop-erties of the two tubes with normal appearance are not affected and the tubes can continue to be used.Macroscopic inspection found pitted pipe on the surface,although the performance of the rep-resentative pipe was not affected for the time being,but sawtooth micro-cracks were found inside the pitted pipe,it is not recommended to continue to use,need to be scrapped.
coastal power plantaustenitic stainless steelpipesperformancesafety hazard