Pry pressure tank for CNG (compressed natural gas) pressure reduction pry

The utility model provides a pry pressure tank for CNG decompression pry, which comprises a tank body and a cylindrical shield, the tank body is arranged in the shield, an annular buffer space is formed between the tank body and the shield, and the shield is mounted on the tank body through a plurality of first springs uniformly arranged on the inner surface of the shield. A receding groove corresponding to the exhaust pipe at the bottom end of the tank body is formed in the bottom end of the protective cover, the exhaust pipe extends out of the receding groove, and a gap is reserved between the periphery of the exhaust pipe and the receding groove. In the design, the protective cover is arranged outside the tank body, the buffer space is formed between the protective cover and the tank body, the first springs are arranged in the buffer space, impact force from the outside of the tank body is buffered through the first springs, then the tank body is protected, and the safety performance of the tank body is im