System of Premixed Abrasive Jet Cleaning and Derusting on Steel Tube Inwall

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Abstract:

The pretreatment of the tube wall's surface needs to be done before coating and plating. The cleaning and derusting play an important role in the pretreatment. This paper designs the cleaning and derusting system of the steel tube inwall by premixed abrasive jet technique. The system consists of the generating device of premixed abrasive jet, the abrasive retrieval device and working mechanism. The test of clean and derust were carried on steel tube inwall by the system. In the test, the large inner diameter of pipe fittings adopted the oblique type nozzle, the small ones adopted the conic abrasive jet nozzle. The test shows that the designed system can achieve the purpose of cleaning and derusting on steel tube inwall. The appropriate working parameters: the working pressure is 12MPa, the rate of water flow is 30L/min, the abrasive weight consistency is 30%.

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2571-2574

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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