27. Qibao inkstone furnace: There is a Qibao inkstone furnace in the inner library, which is unique. Every winter is cold, (punctuation here is different from the version circulating on the Internet), the inkstone is frozen and put on the stove, and the inkstone ice disappears by itself, so there is no need to make a fire. Emperor Dongyue often uses it.
There is an inkstone furnace decorated with seven treasures of Buddhism in the palace, which is exquisite in workmanship. Whenever cold air flows in winter, the ink in the inkstone will naturally freeze. At this time, as long as the inkstone is placed on the Qibao inkstone furnace, the ice in the inkstone will melt automatically, saving the effort of ignition. Every November of the lunar calendar, Emperor Xuanzong of the Tang Dynasty often used this inkstone furnace.
Comments: At present, this kind of Qibao inkstone furnace has spread to thousands of households-that is, the quick thawing board that can be seen everywhere on Taobao.
Thawing principle: The rapid thawing tray adopts integrated HDF high-density aviation alloy and nano-silver ions for high-precision surface treatment. This special synthetic metal has superior thermal conductivity, which is tens of thousands of times that of ordinary metal. It can realize high-speed heat exchange, so that frozen ingredients can achieve the fastest natural thawing effect. It does not consume electricity or water, and it is energy-saving and low-carbon. The plate can be recycled, which is green and environmentally friendly!