Composite lining gas storage hole structure

The invention provides a composite lining gas storage hole structure which can better transmit internal pressure to surrounding rock and can fully coordinate deformation according to the change of the internal pressure, and relates to the technical field of gas storage holes. A composite lining gas storage hole structure comprises a gas storage hole body, a sealing layer lining and a main lining, the sealing layer lining and the main lining are sequentially arranged in the gas storage hole body from inside to outside, the main lining is formed by sequentially connecting at least two arc-shaped pipe pieces end to end in a surrounding mode, and a splicing seam is formed between every two adjacent pipe pieces; the gas storage hole structure further comprises an auxiliary lining which is arranged between the main lining and the sealing layer lining and used for restraining the duct pieces, and the auxiliary lining is of an integral structure. The sealing layer lining is arranged on the inner surface of the auxili