1, Xia Bai Juyi. How to spend the summer in a hospital? There is nothing in front of me but the breeze under the window. The heat dissipation is calm and cool. At this time, it is difficult to spend more time with others.
2, "Summer Resort" Li Bai. Lazily shaking a white feather fan to get rid of the heat, naked in the forest. Take off the headscarf and hang it on the rock wall, leaving the cool breeze between the pines and the pines overhead.
3, "Twilight Tour of the Lotus Pond" Yang Wanli. The grass shook its head and suddenly reported Nong, and the shawl stopped a westerly wind. The lotus is still hot at dusk, and its lower face is hidden in a blue umbrella.
In ancient times, the methods of eliminating agents were as follows:
1, shake the fan to enjoy the cool. The ancient people mainly relied on fans to enjoy the cool, and fans were mostly made of bamboo. The ancients called it "shaking the wind" and "cooling friends". People with good economic conditions will buy silk fans, which will be easy to shake. Literati write poems and paintings on fans again, and they become dignitaries. In the hot summer, they can enjoy the comfort brought by the "artificial fan".
2, bronze ice guide. The bronze ice guide is a "primitive refrigerator" invented by China during the Warring States Period. The bronze ice guide 1977 was unearthed in the tomb of Zeng Houyi in Sui County, Hubei Province. It consists of a bronze guide and a bronze coat, and the coat is placed in the guide. The working principle of the ice guide is to cool the wine in the grain by relying on the bronze ice guide filled with ice cubes around the grain.
3. wooden refrigerator. Wooden refrigerators with natural ice refrigeration were widely used in the court of Qing Dynasty, which was called "ice bucket" and "ocean bucket" at that time, and evolved from the ancient ice container-"ice guide".
Generally, they are wooden tires made of mahogany, rosewood and cypress. The shape is a bucket, with a big mouth and a small bottom. It was covered with thick boards and tied with copper in the waist for two weeks. Both sides of the box are provided with copper rings which are convenient to carry, and all four legs are hardwood legs. Put mud under your feet to prevent it from getting wet.
4. Air-conditioned rooms in the Tang Dynasty. This kind of equipment adopts the way of cold water circulation, which is shaken by a fan wheel to generate wind power and deliver cold air to the temple. At the same time, it also uses machinery to send cold water to the roof and let it go straight down the eaves, forming a water curtain to arouse the chill, thus achieving the purpose of cooling off the heat. This kind of refrigeration equipment adopts natural water cooling and has high refrigeration capacity.