Learn about welding equipment specifically designed for the boiler and pressure vessel industry
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Narrow-gap submerged arc welder ★ Application areas and functions: Used for welding in hydrogenation reactors, nuclear island pressure vessels, gasification furnaces, and the main working cylinders of large presses. Welding of large thicknesses and extremely large thicknesses is possible. ★ Key technical specifications: 1) Maximum depth of workpiece that can be welded: 350mm. 2) Minimum groove width (bottom): 18–20 mm 3) Wire feeding speed range: 30–240 m/h 4) Welding torch swing angle range: ±3.5°. 5) Lateral tracking accuracy: ≤0.25mm. 6) Height tracking accuracy: ≤0.5mm. ★User economic benefits: The high degree of equipment automation leads to higher work efficiency and reduced labor intensity for workers, thereby significantly improving production efficiency and yielding good economic benefits.
Multifunctional TIG (hot wire) automatic surfacing system ★ Application areas and functions: It is used in the welding and manufacturing of large pressure vessels as well as various valve components in industries such as petroleum, chemicals, and nuclear power. The equipment is suitable for surfacing the inner walls of valves, tees, crosses, 90° elbows, flange faces, reducers, seal grooves, etc. ★ Key technical specifications: 1) Welded overlay inner diameter range: Φ40mm–Φ800mm after welding. 2) Cladding length: ≤1000mm. 3) Automatic arc voltage tracking accuracy: ±0.3V. 4) Single-layer surfacing thickness: 1.5–3.5 mm. ★User economic benefits: The equipment operates stably and reliably, addressing the issues of high costs and instability associated with manual welding. One person can control multiple devices, reducing labor costs and improving production efficiency.
Small-diameter straight pipe internal wall TIG/CO2 surfacing welder ★ Application areas and functions: It is primarily used for the automatic surfacing of stainless steel corrosion-resistant layers on the inner walls of nozzles in large pressure vessels such as hot-wall hydrogenation reactors, as well as in the petroleum, coal chemical, and nuclear power industries. The equipment can perform non-consumable TIG welding with filler wire, as well as consumable CO2 shielded arc welding processes. ★ Key technical specifications: 1) Maximum clamping outer diameter: Φ700mm 2) Inner diameter of the pipe after welding: Φ50mm–Φ500mm 3) Weight ≤2500kg. 4) Maximum turning diameter ≤ 1400 mm. 5) Welding process: TIG surfacing, CO2 surfacing. ★User economic benefits: High level of equipment automation, simple operation, good welding quality, and high work efficiency.
90º Elbow Inner Wall Automatic Cladding Machine ★ Application Areas and Functions: Primarily used for cladding the inner walls of nozzles in large pressure vessels in industries such as petroleum, chemicals, and power generation. For the overall automatic surfacing of the corrosion-resistant layers on the inner surfaces of the top and bottom bends in the manufacturing of heavy-pressure vessels, the CO2 flux-cored wire surfacing process was employed to achieve one-time, continuous surfacing of the inner wall of the 90° bends. ★ Key technical specifications: 1) Radius of curvature: 450~750mm. 2) Inner diameter of the bent pipe: 200~500mm. 3) Workpiece weight: ≤1000kg. 4) Single-layer surfacing thickness: 2.5–3.5 mm. ★User economic benefits: Compared with traditional zonal welding, it enables one-time continuous surfacing of 90° elbows, thereby improving the welding quality of the products and work efficiency.
Fully automatic tube sheet welder ★ Application areas and functions It is primarily used in the welding of heat exchangers in industries such as petroleum, chemicals, and power generation. The device integrates multiple technologies, enabling functions such as automatic CAD drawing reading, adaptive adjustment of the welding head, visual measurement inspection, and 2D weld tracking; it can thus carry out the fully automated welding of thousands of tube holes in an entire heat exchanger. ★ Key technical specifications: 1) Effective range of the welded pipe plate: 2000mm X 2000mm. 2) Continuous welding assistance time: ≤12s. 3) Outlet extension type: flush or protruding. 4) Positioning accuracy: ±0.1mm. ★User economic benefits: The equipment features a high degree of automation and stable performance; it saves welding materials, results in a high rate of successful welds, and significantly improves welding production efficiency.
Dual-tungsten electrode welding machine ★ Application areas and functions: It is used in industries such as petrochemicals, nuclear power, and military manufacturing, where high quality in welding and high welding efficiency are required. Suitable for butt welding of stainless steel plates in nuclear power pools, as well as cladding welding of nuclear power tube sheets and other products. ★ Key technical specifications: 1) Cladding range: Φ50mm–Φ3000mm. 2) Butt joint speed: 0–8000mm/min. 3) Welding speed: 80–1000mm/min. 4) Wire feeding speed: 0-8m/min (can be adjusted according to actual requirements). ★User economic benefits: improves butt welding efficiency by over 200% ； Compared to TIG welding, the surfacing efficiency increases by over 400% ； Compared to strip welding, the welding quality improves by nearly 20%, reducing the rework time.