Novel gas pressure pipeline structure

The utility model relates to a novel gas pressure pipeline structure. Wherein the two side original pipelines are arranged at the two ends of the middle original pipeline, and the valves are arrangedbetween the middle original pipeline and the two side original pipelines at the two ends respectively. The valve is connected with the middle original pipeline through a first flange; a corrugated inner pipe tightly attached to the inner wall of the middle original pipeline is arranged in the middle original pipeline, the left end and the right end of the corrugated inner pipe are connected with connecting gaskets used for sealing through electric smelting connectors respectively, and the connecting gaskets are arranged between the first flange and the valve. Compared with the prior art, the utility model has the advantages of no need of whole-line excavation, no need of fire operation, neatness, environmental protection, low construction cost and the like. 本实用新型涉及一种新型燃气压力管道结构，包括中间原管道、设置在中间原管道两端的两侧原管道以及分别设置在中间原管道与