Movable tunnel kiln for making clay products and a system with the tunnel kiln

A tunnel kiln as defined in claim 10, further comprising:

• a clay material conveyor installed between the inside and the outside of the kiln bottom crossing over the kiln body, the clay material conveyor conveying clay material between the round site space defined by the circular kiln bottom and an outside of the circular kiln bottom, an exit of the conveyor being located at a bin above the center of the round site space,
• a raw material conveyor installed under the clay material conveyor and at the center of the round site space between the exit of conveyor and the aging pit at the periphery of the central area of the round site space to receive the clay material exiting from the bin above the center of the round site space and transferring it to the aging pit upon the periphery of the central area of the round site space, an aging-pit end of the raw material conveyor being circularly movable along the aging pit;
• an aged material conveyor installed between the aging pit and the brickmaking equipment at the center of the round site space to transfer aged material from the aging pit to the brickmaking equipment, an aging-pit end of the aged material conveyor being circularly movable along the aging pit;
• and
• a movable trestle installed above the aging pit, the trestle crossing beyond aging pit.