Do you know how to clean the hydraulic line of the brake pipe?







In order to ensure the cleanliness of the lubrication system and supply the mechanical equipment bearings with clean grease, the pre-installed pipelines must be removed and cleaned. There are two types of cleaning: kerosene cleaning and pickling.

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(1) Kerosene cleaning objects and methods

Object: Brake pipe copper pipe, stainless steel pipe;

method. 1. The steel pipe that has been pickled before pre-installation and is now free of rust and iron oxide on the inner wall;

2. Dirty pipe joints during pre-installation;

3. Remove the pipes and joints that need to be cleaned, wipe the inside of the pipe with a cloth (or loose yarn) dipped in kerosene, soak the two ends and joints in kerosene to clean, then coat the pipe with oil or fill it with grease, both ends Sealed and ready to install;

4. After cleaning, there should be no visible contaminants (such as iron filings, fibrous impurities, welding slag, etc.), and special attention should be paid to the inner wall welding slag at the weld must be thoroughly cleaned.

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(2) Pickling objects and methods

object. Steel pipes that have not been pickled before pre-installation; steel pipes that have been pickled but are now severely corroded.

method. 1. Use a degreasing agent to remove the grease adhering to the piping;

2. Use clean water to remove the dirt on the pipe;

3. Remove rust spots and rolling iron filings on the pipe wall in the pickling solution;

4. Rinse the attachments produced in the above operations with clean water, and rinse the inside of the pipe with high-pressure water;

5. Neutralize the acid remaining on the pipe with lye;

6. In order to effectively dry the pipe, the pipe should be immersed in hot water or steam dried, and the pipe should be dry;

7. Check the pickled pipes to see if they are clean;

8. Immediately after pickling, seal the opening of the tube with plastic or plastic tape to prevent the intrusion of foreign objects and water.