▎ 摘　　要

NOVELTY - The new type utility claims a fast preparation graphene is a device, a tubular furnace, a sample cabin, vacuum valve and multi-sample carrying boat of the tubular furnace comprises quartz tube, one end the quartz tube is a heating end, another end through vacuum valve and the sample cabin connected, external heating of the quartz tube provided with a heating device, a quartz tube type furnace is provided with the first air inlet and the first air outlet, a sample cabin is provided with the second air inlet and the second air outlet and the like wherein, in sample cabin is set with position changing device and a device of multi-sample carrying boat of a position changing device is a device like a cabin, and by changing a sample carrying boat and a change between a the relative position, a drive device and a position corresponding to the sample carrying boat moving between a heating end of a switching device and quartz tube. The utility model is new type of large increase of the efficiency of tubular growing furnace, reducing the loss and waste of energy.