(1) Manual preparation of dry ice: carbon dioxide cylinder+small manual dry ice maker can obtain carbon dioxide cylinder by purchasing liquid carbon dioxide at gas operation station, connect KBS small dry ice maker, and open the valve to produce dry ice. It has low cost and simple operation, and is very suitable for users such as hotels, restaurants, bars, low-temperature testing in laboratories, mechanical cold assembly and so on.
(2) Self-made dry ice: carbon dioxide fire extinguisher+cloth bag Prepare a cloth bag, cover it at the outlet of the carbon dioxide fire extinguisher, turn on the switch of the fire extinguisher, and a small amount of white "snowflakes" will be formed in the cloth bag near the nozzle. This is dry ice, but the amount is small, which is suitable for classes and learning related knowledge of dry ice.
(3) Fully automatic preparation of dry ice: CO2 dewar or storage tank+Fully automatic dry ice maker Buy liquid CO2 dewar or storage tank in the market and liquid CO2 in the gas company. According to the shape and output requirements of dry ice, KBM granular dry ice machine or KBK block dry ice machine is selected. The dry ice produced by this automatic dry ice machine has high density, good quality and large output, which is widely used in catering smoking effect, refrigerated transportation, cooling and fresh-keeping and industrial dry ice cleaning, and is very suitable for merchants selling industrial dry ice production.
Dry ice is a kind of solid carbon dioxide, which is divided into food-grade dry ice and industrial-grade dry ice. Industrial-grade dry ice is toxic and will do some harm to the body, while food-grade dry ice can be seen in many dishes. The following Apple Green Health Network will introduce the production method of dry ice.