An 85 TPD (tons per day) LOX (Liquid Oxygen) plant is a facility designed to produce 85 tons of liquid oxygen daily.
LOX plant 85 TPD Technology and Process
Cryogenic distillation: This is the most commonly used technology. First, the air is compressed and cooled to extremely low temperatures until it liquefies. Then, through the distillation process in the distillation tower, the oxygen is separated and purified to obtain liquid oxygen by taking advantage of the different boiling points of oxygen, nitrogen and other components in the air.
Equipment Configuration
Air compression system: It consists of an air filter to remove dust impurities in the air and an air compressor to compress the air to the required pressure.
Purification system: It usually includes a molecular sieve adsorber to remove impurities such as water vapor, carbon dioxide, hydrocarbons, etc. in the air to prevent them from freezing or clogging pipelines in low-temperature environments.
Refrigeration system: It uses components such as turboexpanders to cool the air through gas expansion to achieve liquefaction. It also uses throttling valves to produce a refrigeration effect through throttling expansion.
Distillation system: The core of the liquid oxygen plant, consisting of high-pressure and low-pressure distillation towers, separates and purifies the air through multiple evaporation and condensation processes to obtain high-purity liquid oxygen.
Liquid oxygen storage and transportation system: including liquid oxygen storage tanks for storing produced liquid oxygen; vaporizers for vaporizing liquid oxygen into gaseous oxygen when needed; and pumps and pipelines for transporting liquid oxygen.
LOX plant 85 TPD Investment and cost
Investment scale: The investment scale of 85TPD liquid oxygen plant is relatively large, generally ranging from tens of millions to hundreds of millions of RMB, depending on factors such as equipment selection, process technology, and site conditions.
Operating cost: mainly includes equipment operation power consumption, equipment maintenance costs, labor costs, and raw material costs (mainly air). The large power consumption is because the cryogenic distillation process requires a lot of energy to compress and cool the air.
Market demand and application
Industrial field: widely used in industrial fields such as steelmaking and chemical production. In steelmaking, liquid oxygen is used to improve the combustion efficiency of fuel and improve the quality of steel; in the chemical industry, it is used for processes such as oxidation reactions.
Medical field: high-purity liquid oxygen is an important medical gas, used for hospital oxygen therapy, respiratory support, etc., and is also used to produce products such as medical oxygen cylinders.
Aerospace field: liquid oxygen is an important oxidant for rocket engines and is widely used in the aerospace industry.
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