After the boiler tube row is installed on the combination table according to the design drawings, the length, width and flatness of the tube row shall be tested, and the diagonal shall be adjusted and checked.

When conducting the ball test on the tube panel assembly, use a steel ball that meets the requirements. In order to prevent the small steel ball from being lost in the tube, each test ball must be numbered. If the small steel ball can slip out, you can use sealing measures and make detailed records of the experiment; when installing the water cooling wall, the welding gap of the pipe panel should be measured to find the most suitable welding port for welding, and implementation priority welding.

Boiler installation is an extremely tedious and complicated work, which will include many links, and also need to use a variety of installation processes and construction techniques, including the boiler drum, water wall, economizer, air preheater and Installation technology such as superheater.

Before installing the power plant boiler air preheater, you must remove the dust and rust in the tube, check the height and length of the tube box, and also check the welding quality of the tube sheet in detail; check whether the boiler tube is qualified To conduct oil leakage test and systematically check the tightness of the tube sheet, if burrs or welding scars are found on the periphery of the support beam, they should be smoothed, and the upper and lower of the tube box should be paid attention to during installation square.

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