The history of ancient people using ice cubes can be traced back to the Shang and Zhou Dynasties. At that time, the ancient people stored the ice cubes in winter in the ice room for use in summer. According to the law of heat transfer, the thicker the object, the lower the heat transfer effect, and it is almost impossible to receive external heat in the deep cellar.
Therefore, the wine cellar has been kept at a constant temperature, and the ice cubes in the wine cellar can be well preserved until summer. The ancients who owned ice were still very flowery. The ancients used their wisdom to design a simple refrigerator. Early simple refrigerators were made of bronze, reflecting the royal atmosphere and luxury. The whole simple refrigerator looks like a square box, and several special places for ice are cast around the box.
Classification of ice
1. industrial ice: industrial ice is also called ice, ice bars, ice bricks, etc. Ice is frozen with pure tap water, and the temperature is about MINUS 20 degrees. Ice cubes are widely used in seafood, catering, hygiene and industry. Each ice cube is 50 cm long, 25 cm wide, 100 cm high and 200 kg net weight.
2. Edible ice: each bag of edible ice is 20kg (edible). Sanitary edible ice particles are made by freezing and sterilizing edible water at MINUS 20 degrees. They can be used for eating, freezing, mixing drinks in hotels and cooling drinks, making them cold, refreshing, delicious, economical and applicable.
3. Transparent ice: also known as crystal ice and clear ice, transparent ice can be used for scenery, artistic sculpture, decoration, celebration ice sculpture, wedding ice sculpture, reception ice sculpture, wine injection ice sculpture, business meeting ice sculpture, Chinese and English font ice sculpture, theme modeling design ice sculpture, logo trademark ice sculpture, ice-breaking ice sculpture, festival ice sculpture, annual ice sculpture, ice sculpture design, as small as wedding ice sculpture.