Novel natural gas pipeline anti-corrosion device

The utility model discloses a novel natural gas pipeline anticorrosion device which comprises a natural gas pipeline, a wire, an anode shell, filler and a sacrificial anode, the natural gas pipeline is connected with the anode shell through the wire, the filler is arranged inside the anode shell, and the sacrificial anode is arranged inside the filler. The utility model has the benefits that 6% sodium sulfate is arranged in the filler, so that the device can adapt to high-resistivity soil; 50% of bentonite is arranged in the filler, and the component can ensure high current density of the device in dry soil; the utility model has the advantages of light volume, light weight, convenience in installation, long service life and low maintenance cost. 本实用新型专利公布了一种新型天然气管道防腐装置，包括天然气管道、导线、阳极外壳、填充料、牺牲阳极，天然气管道与阳极外壳之间通过导线连接，填充料布置在阳极外壳内部，牺牲阳极布置在填充料内部。本实用新型益处在于：填充料中布置有6％的硫酸钠，该成分可以使得装置适应高电阻率的土壤；填充料中布置有50％的膨润土，该成分可以使得装置在干燥的土壤中保证高电流密度；本实用新型体积轻巧、质量轻、安装便捷、使用寿命长，维护成本低。