Flame tube head assembly brazing method
A flame tube head, brazing method technology, applied in the combustion method, welding medium, welding equipment and other directions, can solve the problems of discontinuous brazing seam, blockage of cold air holes, and insufficient brazing rate of sleeve and eddy current device. , to achieve the effect of strong operability and avoiding oxidation
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[0032] Example one
[0033] The vortex device, the front section of the barrel and the sleeve of the flame tube head assembly are GH3536 nickel-based high-temperature alloy, and the splash plate is GH5188 nickel-based high-temperature alloy. The front section of the barrel, the splash plate, the sleeve and the vortex device are to be welded The axial lap assembly dimensions are 3.0mm, 3.5mm, 4.0mm, and the theoretical diameters of the front section of the cylinder, the splash plate and the sleeve at the vortex device to be welded are respectively φ45mm, φ30mm, φ22mm, and each brazing batch The second flame tube head assembly has process test pieces, which are brazed together with the flame tube head assembly as a part, and the process test pieces are used for the final quality inspection.
[0034] The vacuum furnace model used in the brazing process is VBFV-160, the working temperature of the equipment is 550~1300℃, the temperature uniformity is ±5℃, and its ultimate vacuum pressur...
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[0050] Example two
[0051] The vortex device, the front section of the barrel and the sleeve of the flame tube head assembly are GH3536 nickel-based high-temperature alloy, and the splash plate is GH5188 nickel-based high-temperature alloy. The front section of the barrel, the splash plate, the sleeve and the vortex device are to be welded The axial lap assembly dimensions are 3.5mm, 4.5mm, and 6mm respectively. The theoretical diameters of the front section of the cylinder, the splash plate and the sleeve where the vortex device is to be welded are respectively φ50mm, φ35mm, φ25mm, and each brazing batch There are process test pieces in the flame tube head assembly, which are brazed together with the flame tube head assembly as a part, and the process test piece is used for the final quality inspection.
[0052] The vacuum furnace model used in the brazing process is VBFV-160, the working temperature of the equipment is 550~1300℃, the temperature uniformity is ±5℃, and its ultima...
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