According to the working principle, design performance parameters and service life of the furnace top equipment and mud guns, the product is repaired. After the repair, the product guarantees that its performance parameters and installation dimensions are basically the same as the original equipment products to ensure safe use and supporting installation on site. Ensure that the service life of the repaired product reaches 90% of the service life of the original product, and in accordance with the new technology to improve the parts and components technology, the repaired product can replace the original product to be used in the same working environment, and can meet the requirements of on-site process production, with strong applicability; The cycle is 1/3 of the new product, the cost is 20%-50% of the new product, the product performance reaches more than 95% of the new product, the product service life reaches more than 90% of the new product, and the repair profit can be as high as 30%. , A large number of old equipment is used to repair, improve the utilization rate of steel structure resources, and save coal, iron ore and other iron-making resources.

Therefore, the repair product has a strong promotion, and its economic benefits are considerable. Our company has an annual ironmaking equipment repair contract of about 50 million yuan, with a profit of 15 million yuan.
Case:

The top of a 4000m3 blast furnace in a steel was repaired. During the overhaul of the blast furnace, the airtight box and valve box were returned to the factory for repair. The total investment was about 5 million. If the old equipment is scrapped, the purchase of a set of equipment requires an investment of about 10 million. Reduced costs by 5 million for Baosteel. The repair cycle is about 3 to 6 months, while a new set of equipment requires 6 to 10 months, saving a lot of time. The service life of the repaired product is more than 5 years.

A steel 3600m3 blast furnace was repaired in front of the furnace, equipped with 4 clay guns. During the overhaul of the blast furnace, the clay guns were returned to the factory for repair. The total investment is about 2 million. If the old equipment is scrapped, the purchase of a set of equipment requires an investment of 4 million The above has reduced costs by 2 million for Maanshan Iron & Steel. The repair cycle is about 3 to 6 months, while a new set of equipment requires 6 to 10 months, saving a lot of time. The service life of the repaired product is more than 3 years.