Sand storage and conveying apparatus

A sand storage and conveying apparatus, comprising:

• a sand storage device, comprising at least two sand storage tanks arranged along a first direction;
• at least two first conveying devices, wherein the at least two first conveying devices are arranged along the first direction and configured to convey sand to the at least two sand storage tanks, respectively;
• and
• a lifting device, comprising:
• a supporting frame;
• and
• at least two lifting members connected onto the supporting frame, wherein the at least two lifting members are arranged along the first direction, each of the at least two lifting members is configured to lift a container with sand and place the container with sand into at least one of the first conveying devices, and each of the at least two lifting members comprises:
• a movable frame, connected to the supporting frame and configured to move along the first direction relative to the supporting frame;
• and
• a fetching member connected to the movable frame and configured to move along a second direction and a third direction relative to the movable frame, wherein the fetching member is further configured to be detachably connected with the container, the second direction is along the sand storage device and the lifting device, and the third direction intersects with a plane where the first direction and the second direction are located,
• wherein the at least two movable frames of the at least two lifting members are arranged along the first direction.