Principle: The industrial production method of oxygen utilizes the boiling point of liquid nitrogen is lower than that of liquid oxygen to produce industrial oxygen. Method: Firstly, use low-temperature pressurization to liquefy the air. Then adjust the temperature, use the boiling point of liquid nitrogen is lower than that of liquid oxygen to transpire liquid nitrogen, and the left is mainly liquid oxygen. 
Oxygen is a simple substance formed by the oxygen element, with the chemical formula O2. Its chemical properties are relatively active and can react with most elements with oxygen. It is not very active at room temperature and does not easily interact with many substances. However, it is very active at high temperature and can combine with many elements directly, because the electronegativity of oxygen atom is second only to fluorine

-Methods for industrial production of oxygen

Industrial oxygen production mainly uses physical methods to compress air and separate the gas through air separation equipment to obtain gases such as oxygen and nitrogen. The basic principle of industrial oxygen production equipment is to separate oxygen and nitrogen in the air through a gas separation device to obtain oxygen.

1. Air compressor: mainly used to separate oxygen and nitrogen in the air. The working principle of an air compressor is to compress air for operation, and then transport high-pressure gas to the workplace, where nitrogen and oxygen are separated to obtain oxygen. The most commonly used compressor in China is the automotive compressor, which is mainly used in automotive engines.

2. Liquid oxygen storage tanks mainly store liquid oxygen in pressure vessels and then transport it to the place where oxygen production is needed through pipelines. This method can make the production process more efficient and the operation simpler and more convenient. However, due to its high energy consumption, this method is not widely used in China.

3. Pressure swing adsorption method: This method mainly uses pressure swing adsorption technology to separate nitrogen and oxygen in the air.  This oxygen production method is available in many regions of China.

4. Cryogenic distillation method: Cryogenic distillation refers to the removal and purification of molecules at low temperatures. It mainly extracts gases such as oxygen and nitrogen by removing water vapor from the air, and then distills the resulting gas to obtain oxygen.

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The principle of industrial oxygen production

Industrial oxygen production equipment mainly utilizes nitrogen and oxygen molecules in the air to ionize at low temperatures. These ionized molecules undergo a series of chemical changes to form oxygen molecules that can be absorbed. After a series of treatments, the air containing nitrogen will produce oxygen. And these oxygen will be separated and then enter the corresponding storage tank. This enables industrial oxygen production.

In the industrial oxygen production process, in order to ensure the normal operation of the oxygen generator,it is necessary to conduct regular inspections and maintenance. Among them, the most important maintenance work includes:

1). Regularly check all components to ensure that the oxygen generator can operate normally;

2). Regularly check the amount of oxygen in the storage tank and the storage status of liquid oxygen;

3). Regularly inspect pipelines and valves for leaks;

4). Regularly inspect and clean the dust in the oxygen storage tank;

5). Regularly clean and replace filters and filter elements.

The above-mentioned need to be noted for the normal operation of industrial oxygen production equipment. 
Only through maintenance in these aspects can we ensure normal operation and produce high-quality oxygen.

Industrial oxygen production equipment is a relatively complex mechanical equipment, and there are many precautions to pay attention to during its operation. If the operation is not carried out according to the correct operating specifications, it will bring many adverse effects to the equipment. Therefore, we must strictly follow the requirements specified in the manual during the operation process