The tower is an indispensable process equipment in the process of oil refining and chemical industry. From the process of using petroleum, coal or natural gas as raw materials to the preparation of organic intermediates, to the production of the three major synthetic materials (fibers, rubber and plastics), nitrogen fertilizers and petrochemical downstream chemicals (fine chemical products) , All kinds of tower equipment are used.
The proportion of tower equipment in various industries
According to statistics, in the total investment in the entire process tower equipment of oil refining and petrochemical industry, the proportion of towers equipment is 20-25% for oil refineries; 21% for fertilizer plants and 10% for petrochemical plants. In terms of unit equipment investment, the proportion of towers is even greater. For example, the pressure reducing device accounts for 28.6%, and the benzene distillation device accounts for 75.7%.
In addition, the steel consumption of the tower equipment in the refinery accounts for about 25%-30%of the total process equipment. With the improvement of the metallurgical industry and manufacturing technology level and the large-scale production equipment, the towers are also correspondingly large-scale. At present, the maximum diameter of the tower equipment has reached 15m, the height has exceeded 100m, and the weight has reached more than 400t.
