Automatic submerged arc welding system for circumferential welding seam of boiler pipe fitting

A submerged arc welding and girth welding technology, applied in welding equipment, welding accessories, arc welding equipment, etc., can solve the problems of slow manual welding speed and unsteady control of manual welding quality, so as to reduce labor costs and ensure fast and safe. Reliable production, increased welding speed effect

Inactive Publication Date: 2017-06-13
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It overcomes the shortcomings of the existing steam injection boiler pipes and elbows, pipes and pipe girth welds that the manual welding speed is slow and the quality of manual welding cannot be stably controlled

Method used

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  • Automatic submerged arc welding system for circumferential welding seam of boiler pipe fitting

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Embodiment Construction

[0015] Such as figure 1 As shown, an automatic submerged arc welding system for the circumferential weld of boiler pipe fittings, including a circumferential seam filament submerged arc welding system 1, a loading frame 2, a blanking frame 3, a walking guide rail 4, an electric transmission unit 5 and a driven transmission unit 6. The two sides of the walking guide rail 4 are respectively provided with a feeding rack 2 and a lowering rack 3. An electric transmission unit 5 and a driven transmission unit 6 are installed on the walking guide rail 4. The pipe fittings on the feeding rack 2 can be transferred to the electric transmission unit. 5 and the driven transmission unit 6, the electric transmission unit 5 and the pipe fittings on the driven transmission unit 6 can be transferred to the blanking frame 3, the circular seam filament submerged arc welding system 1 includes a pipe clamping rotary host and an automatic water-cooled welding torch, The pipe fittings on the electri...

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Abstract

The invention relates to the technical field of oil field steam-injection boilers, in particular to an automatic submerged arc welding system for a circumferential welding seam of a boiler pipe fitting. The two sides of a travelling guide rail of the device are separately equipped with a loading rack and an unloading rack; an electric transmission unit and a driven transmission unit are mounted on the travelling guide rail; the pipe fitting on the loading rack can be transmitted onto the electric transmission unit and the driven transmission unit; the pipe fitting on the electric transmission unit and the driven transmission unit can be transmitted to the unloading rack; and an submerged arc welding system for a circular seam filament comprises a pipe fitting clamping rotary main engine and an automatic water-cooling spray gun. The automatic submerged arc welding system realizes welding automation, completely guarantees welding quality, greatly increases welding speed, ensures quick, safe and reliable production of a steam-injection boiler, and effectively reduces labor cost of steam-injection boiler manufacturing. The automatic submerged arc welding system overcomes the defects that manual welding speed for a tube and an elbow of an existing steam-injection boiler, and the tube and a tube circumferential welding seam of the existing steam-injection boiler is low, and manual welding quality cannot be stably controlled.

Description

[0001] Technical field: [0002] The invention relates to the technical field of steam injection boilers in oil fields, in particular to an automatic submerged arc welding system for boiler pipe fitting girth welds. [0003] Background technique: [0004] The steam injection boiler is the key equipment for thermal recovery of heavy oil, which includes radiation section, convection section, transition section and external equipment and other components. The welding quality and welding speed of the pipes and elbows in the radiant section and the convection section, and the girth welds of the pipes are important indicators to ensure the rapid and safe production of steam injection boilers. However, the welding of pipes and elbows in the radiation section and convection section of existing steam injection boilers, and the girth welds of pipes and pipes are all manually welded, which greatly wastes labor costs and is severely limited by the welder's personal welding level and artifi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/18B23K9/02B23K9/32B23K101/06
CPCB23K9/02B23K9/18B23K9/32B23K2101/06
Inventor 陈季邓晓友李轩宇邹善义王列李慧赵艳春赵晶晶郎书科
Owner BC P INC CHINA NAT PETROLEUM CORP
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