Don't drink the water in the copper soup. Although copper can play the role of disinfection, boiling water will have a slow oxidation reaction with copper and air, making copper into an ionic state, which can be absorbed by the human body. The human body only needs a small amount of copper, and excessive intake will affect health.
Extended data:
Appliance heating
1, hand stove:
A hand stove is a small stove used to warm hands. The shape is exquisite and changeable, with charcoal or furnace ash with residual heat inside and a cover outside. Hand stoves can even be put in sleeves to warm hands, also known as hand warmers and fire cages.
In the Ming dynasty, the styles of hand stoves began to become diverse, and the volume became smaller, so they could be put in sleeves. By the Ming dynasty, people knew more and more about enjoyment and health preservation. In addition to charcoal ash for heating, some aromatherapy and medicinal materials are also put in the hand stove. Hand stoves have gradually become works of art played by nobles, and the materials and workmanship have gradually become refined.
Zhang Shaoceng, a poet in the Qing Dynasty, praised in a poem: "A prophet with loose gray cages and warm sleeves, silver leaves are fragrant." Top with plum blossoms, flat out of the net, bamboo joints spread out, branches lying down. Even though the poet is freezing cold, Yangchun's wrist has been born. "
2. Mrs Tang:
In the Song Dynasty, a special kind of warm-keeping appliance appeared, which was called "Tangpozi", also known as "Mrs. Tian", "Tangtuo" and "Jiaopo", similar to hot water bottles. Generally, it is an oval or pumpkin-shaped bottle made of tin or copper, with a hat at the top opening. Hot water is poured out from this opening and put in the quilt before going to bed.
This kind of soup is not easy to damage, most people have it at home, and it will be used as a gift when they get married, and even some soups will be passed down from generation to generation. Until the Qing dynasty and even modern times, Mrs. Tang was still a "heating artifact" in people's homes.
Smokers are fire storage appliances made of clay or copper and iron. It is usually made of copper in the palace, and it is beautifully made. Most people use clay and iron. Smoking utensils, also known as heaters and red stoves, are specially used for indoor use.
Bai Juyi, a great poet in the Tang Dynasty, called the fuming furnace "Biechun furnace", and a poem said: "The warm pavilion is in the early spring, and the warm furnace gradually disappears. The night wind is still cold, so stay and watch the night fire. Staying alone for a long time, it is not difficult to have more lust. Who can talk in the sky? It's cold at four o'clock. "
3. Smoked cage:
In addition, there will be a smoking cage indoors. It is difficult to verify the origin of the smoke cage, but there are notes about the smoke cage in Shuowen of the Eastern Han Dynasty. Self-styled Yi wrote in the poem "Gong Ci" in the Tang Dynasty: "A beauty is broken before she gets old, and she sits in the Ming Dynasty by leaning on a cigarette cage."
The smoking cage is divided into two parts: basin and cage, which are very beautifully made. Large smoking cages weigh hundreds of pounds and are more than one meter high. Some of them are even gold-plated and enameled in bronze. There are cigarette cases in the Hall of Supreme Harmony, Zhonghe Hall, Baohe Hall, Gan Qing Palace and Kunning Palace. Smoking cages are large and small, and they look very gorgeous.
Baidu Encyclopedia-Tangpozi
People's Network-How did the ancients keep warm without heating?