Horizontal type underground compressed nature gas storage depot

A horizontal type underground compressed nature gas storage depot structurally comprises a groove type cement layer and a gas storage depot formed by a detachable upper cover provided with two reserved through holes. The horizontal type underground compressed nature gas storage depot is characterized in that a gas storage steel cylinder group arranged in a horizontal lie-down mode is fixed in the gas storage depot, the head and the tail of each gas storage steel cylinder are respectively supported and positioned by means of supports, gas inlet and outlet ends of each gas storage steel cylinder are connected with gas inlet and outlet pipelines provided with pressure transmitters and valve assemblies , a blow-off line provided with a blow-down valve and a safety discharging pipeline provided with a safety valve and a pipe fitting are arranged on the tail portion of each gas storage steel cylinder, the gas inlet-outlet pipelines penetrate through first reserved through holes in the detachable upper cover to be s