Negative pressure type special gas storage container, detection system and detection method

The invention discloses a negative pressure type special gas storage container, and relates to the technical field of special gas storage, the negative pressure type special gas storage container comprises a container body, an adsorbent can be contained in the container body, a bottom insertion pipe is further arranged in the container body, the bottom of the bottom insertion pipe extends into the adsorbent in the container body, and the bottom of the bottom insertion pipe extends into the adsorbent in the container body. The top of the bottom inserting pipe extends out of the top opening of the container body, and the cylinder valve can be connected with a gas pipeline; a plurality of layers of air vents are formed in the side wall of the bottom inserting pipe from top to bottom, and each layer is provided with a plurality of air vents. The invention also discloses a detection system and a detection method of the negative pressure type special gas storage container. According to the invention, the diffusion