What is an ancient earthworm?

Question 1: Is it true that ancient heating earthworms? What is the principle? Many palaces have fire exits underground. The fire escape has holes in the ground and burns outside. Hot air travels to the house through the fire escape, which is called earthworm. In addition, you can burn charcoal fire to keep warm in the house, but this is not the main way to keep warm.

Question 2: What is the simple understanding of burning earthworms? It means that the bottom and walls of a room are hollow and can be heated by hot air or combustion, so that the room will be warm. Just like the kang in the north, but the kang is just a bed, and the earthworm is for the whole room.

Used by wealthy families in ancient times ...

Question 3: What is an earthworm? 15 is an ancient heating system, which can keep the whole room warm.

Question 4: The Chinese teacher said: Is the ancient earthworm really called "earthworm"? In ancient times, earthworm was used as Chinese medicine to treat diseases, so it was called "earthworm" because it looked like a snake. Because snakes have become "dragons" in China, they are called "earthworms"-underground dragons.

Question 5: How was the ancient heating cage built? It is called "earthworm".

Under the tiles on the indoor floor, earthworms artificially built an arc flue to connect the firewood pit under the outdoor eaves. A fire was lit in the pit, and the hot air spread all over the floor through the flue, enough to drive away the cold.

Reference from 360doc Library

Question 6: In which dynasty did earthworm heating begin? From the Ming Dynasty to the early Qing Dynasty, the heating measures of the Forbidden City mainly depended on braziers. When the weather is cold, set a copper brazier or enamel smoking cage in the palace to make a charcoal fire to keep warm. Braziers are generally managed by eunuchs in charge of fire. When not in use, the charcoal fire should be extinguished in time. According to historical records, in the second year of Jiaqing, Qing Dynasty, due to the negligence of the eunuch in charge of the fire, the brazier was not stuffy in time, which led to a fire in Gan Qing Palace and caused heavy losses. After the fire, more than 30 eunuchs were severely punished, some were hanged, and some were sent to the frontier as slaves. Since then, due to security and other factors, the areas where Empress Dowager Cixi has frequent activities mainly rely on earthworms for heating.

Lumbricus is the heating pipe hovering under the Forbidden City, and it is the floor heating of the emperor. It makes a fire in other places, and the smoke from the fire travels between palaces along earthworms, so that many palaces in the Forbidden City, such as Nuan Pavilion, and other halls, such as Yudou, can be warmed from underground. Today, we can still find traces of earthworms.

Question 7: What was the name of earthworm in ancient times? Lumbricus, Trionyx sinensis, Radix Cynanchi Multiflori, Duckweed, Lumbricus, Silkworm, Yin Wu, Quexing, Hanxin, Qi Ming, Pheretima and Pheretima.

Question 8: Can ancient earthworms be used for building heating in modern rural areas? In many palaces, there is a fire escape underground. There is a hole in the fire escape, and the fire is burning outside. The hot air travels to the house through the fire escape, which is called earthworm. In addition, you can burn charcoal fire to keep warm in the house, but this is not the main way to keep warm.