How to apply weighing technology in the steel industry

Weighing technology is one of the main technologies for logistics weighing. Weighing requirements for various materials transported by waterways, roads, and railways and control requirements for production processes such as smelting and steel rolling. Weighing and process control of the circulation process of, billet and material and the whole process of finished product delivery.

1.The wide application of belt scales in the smelting process

The waterway raw material transportation volume is large, the operation time is long, and the logistics management requires belt weighing equipment. There are more than 20 sets of belt weighing devices from the raw material dock to the raw material storage yard. The work efficiency can reach 1200 tons/hour to 6000 tons/hour, ensuring unloading To the needs of yard management. The belt transportation in the factory must meet the requirements of various processes for ironmaking and steelmaking production of 10 million tons of steel. Nearly 200 sets of belt weighing equipment are used for the production process of sintering, coal coke, blast furnace, and converter. , Ingredients and process consumption weighing. The work efficiency is 30-2000 tons/hour.

2.Different types of large tonnage weighing equipment

Both the 400-ton coal loading car of the coke oven and the 800-ton iron wagon of the blast furnace are weighed on the weighted track. The heavy-duty type has weighing platform pressure sensor weighing and track axle pin sensor weighing, which has static measurement and dynamic measurement. measuring. The number has reached nearly 30 sets. The weight of ladle and ladle is weighed by weighing platform and desktop weighing method, as well as ladle crane crane scale, weighing range is 70-450 tons.

3.Online delivery of weighing equipment

Complete the factory weighing from hundreds of kilograms of finished pipes and wire rods to dozens of tons of plates, coils and billets. The working rhythm is from a few seconds to tens of seconds, all working in an automatic manner. The weighing of incoming and outgoing land materials and the transfer of materials in the factory are completed by 12 50-200 ton truck scales installed on the company’s roads, most of which have a weighing speed of 40-60 seconds per car. The track scale is dynamic Weighing method.

4.Online weighing equipment for process control

The hundreds of weighing equipment installed on the steel production line, in addition to ensuring the needs of logistics management, also play an important role in the control of the manufacturing process. For the control of various components in the smelting process, an important link is to control the amount of various main and auxiliary materials. The batching control system and its weighing equipment ensure the automatic control function of the high-speed production process with large flow, multiple processes and complex varieties. The quality control of the steel rolling process, whether it is to monitor the processing process by the weight of the materials before and after processing, or to automatically control the quality of the process by weighing the actual weight of the semi-finished products and finished products, a large number of weighing technologies are used. There are more than one hundred sets of weighing equipment, including platform type, basket type, pneumatic/hydraulic control type, stepping mechanism type, roller conveyor type, automatic packaging control and other weighing equipment; its range also ranges from tens of kilograms to hundreds of Tons; the ratio of the weight of the scale body to the weighing weight varies from tens of times to several times; some of the dynamic resolution is as high as a few ten thousandths.

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