Natural gas buried pipeline burst and perforation leakage seismic wave signal excitation device

The invention provides a seismic wave signal excitation device for burst and perforation leakage of a natural gas buried pipeline, and the device comprises gas supply equipment which is used for providing a gas-phase medium with preset pressure and flow velocity; and the signal excitation equipment is connected with the gas supply equipment and comprises blasting simulation equipment and leakage simulation equipment which are used for simulating the burst working condition and the perforation leakage working condition of the natural gas buried pipeline. According to the invention, the cracking working condition of the natural gas pipeline can be simulated, and seismic wave signals under the cracking conditions of different pressures and different cracking sizes can be excited; the natural gas pipeline leakage working condition can be simulated, and leakage seismic wave signals under the conditions of different pressures and different perforation sizes can be excited. 本发明提供一种天然气埋地管道爆裂、穿孔泄漏地震波信号激发装置，其包含：供气设备，其用