Vacuum pressure swing adsorption units are used to produce oxygen at purities between 80%-94%. The technical principle is to separate the oxygen in the air utilizing the different selectivity of adsorbents for oxygen and nitrogen. Units using this type of non-cryogenic oxygen production process may be referred to as VPSA (Vacuum Pressure Swing Adsorption), VSA (Vacuum Swing Adsorp...

Pressure swing adsorption technology is mainly applied to the recycling of industrial tail gas rich in CO. People may not know that China is the world's largest manufacturer of steel, calcium carbide and yellow phosphorus, which accounts for more than half of the world's production. A large amount of industrial exhaust will be released when manufacturing these fundamental industrial products...

The pressure swing adsorption technology is mainly applied in C1 chemistry in the chemical industry. Does anyone know where objects like daily beverage bottles, sofas, quick-drying T-shirts come from? They were all produced by petroleum cracking and then through other synthesis procedures step by step. As we know China is rich in coal and poor in oil. In resent 20 years, the “coal chemica...

1. Blast furnace oxygen-rich coal injection. There are two conventional ways for iron & steel smelting. The first is to use the iron ore in blast furnace to smelt the iron of the compound in nature into zero-valent iron, which is the pig iron we often say. The pig iron is then refined through a converter to become a variety of alloy steels or stainless steels that we often see in our daily...

The reliability of VPSA oxygen production plant is mainly reflected by factors such as the failure rate of matching components, the rationality of the process design and the maintenance during downstream usage. First of all, high-efficiency & durable adsorbent and reasonable process design. The core of VPSA technology is the adsorption efficiency and performance of the adsorbent. S...

The VPSA plant is a complete set of systems. On the premise that the process design is reasonable, the supporting equipment is properly selected and the operation is smooth, the power consumption of the entire unit will be ensured the lowest. Specifically, related factors are as follows: 1. Whether the adsorbent is efficient. The most efficient adsorbent currently on the market is the PU...

The operating cycle of the VPSA oxygen production process is very short, generally less than 1 min. In one cycle, each adsorption vessel needs to experience the steps of adsorption, pressure reduction, desorption, purging, even pressure increasing, etc. Key valves switch on and off once in each cycle, which is pretty frequent, so they are required to be switched quite fast in order to impro...

VPSA oxygen plant suppliers usually provide overall materials including instructions for use, maintenance manuals and troubleshooting manuals. The structure of VPSA plant is simple- the rotary equipment only consists of a blower and a vacuum pump which are general-duty equipments with simple maintenance, therefore, maintenance of VPSA oxygen plant is generally composed of two parts: i...

The VPSA oxygen generation plant is characterized by its short operating cycle (generally only tens of seconds), so the exhaust pressure of blower will change rapidly with large fluctuation ranges during operation. Based on the principle of vacuum pressure swing adsorption, the blower is required to satisfy the stability of gas volume under the circumstance, which is the essential condition ...

There are two ways to provide VPSA enriched oxygen to blast furnace: The First approach is oxygen enrichment after the blower, i.e., the low-pressure oxygen at the outlet of VPSA oxygen plant is pressurized by an oxygen compressor to 6Bar(G), then mixed with ambient air in the cold air pipe at the blast furnace blower outlet to achieve enriched oxygen. The second one is oxygen inject...