Method for removing fluorescent liquid in aero-engine compressor casing
A technology for aero-engines and air compressors, applied in liquid cleaning methods, gas flow cleaning methods, cleaning methods and appliances, etc., can solve problems such as flaw detection sensitivity, contamination of the casing surface, imaging agent contamination, etc., to achieve The effect of improving the sensitivity of flaw detection, saving production costs and preventing misjudgment
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[0007] The method for clearing the fluorescent liquid in the casing of the aero-engine compressor described in the present invention will be further described in terms of specific implementation. The first step of the method is to perform fluorescent flaw detection for the 3rd to 7th casings without decomposing the blades. , during the flaw detection process, when the fluorescent liquid is infiltrated and cleaned, first use the cold air and water vapor spray gun to blow the blade installation groove on the upper end surface of the 4th to 7th casing and the stop block installation place on the 3rd casing, so that The penetrating liquid flows out from the casing gap and another stop block installation, so that the distance between the nozzle and the parts is 30cm, and the maximum water pressure is 0.27Mpa. The permeate with a certain viscosity should be cleaned with hot water in winter. The temperature of the hot water is 30-50°C. After the permeate seeps out from the blade insta...
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