Production line for prefabricated arc-shaped integral box culvert in shield tunnel and production process based on production line

The invention discloses a production line for prefabricating an arc-shaped integral box culvert in a shield tunnel and a production process based on the production line, and relates to the technical field of integral box culvert production, the production line comprises a pouring production line, a curing kiln, a conveying line and a control system; a mold inlet and a mold outlet are respectively formed in two ends of the pouring production line; a conveying line inlet and a conveying line outlet are formed in the two ends of the conveying line, the mold inlet and the conveying line outlet are connected through a conveying track, and the mold outlet and the conveying line inlet are connected through a conveying track; the curing kiln is located on the side, opposite to the pouring production line, of the conveying line, a middle outlet is formed in one side of the conveying line, and the middle outlet is connected with the kiln opening through a conveying rail. A primary-secondary trolley is arranged on the c