Research On The Global Standards And Benefits Of Iron And Steel Rolling In Baotou Steel(Group) Co. Production System

The period quantity standard,also known as the operation plan standard,refers to the standard data stipulated for the manufacturing object in terms of the production period and production quantity.It is an important basis for the preparation of the production operation plan.A reasonable period quantity standard is an important basis for the preparation of a production operation plan.It is an important condition for ensuring the matching and continuity of production and making full use of equipment capabilities.The formulation of a reasonable period quantity standard plays an important role in accurately determining the input and output time of the product,connecting each link in the production process,and shortening the production cycle of the product.The low arrival completion rate of raw materials in the pre-iron area has caused the fluctuation of raw materials inventory to be intensified.It is necessary to strengthen the balanced control of raw fuel arrival,increase the investigation of concentrates and imported concentrates,make timely predictions of market fluctuations,stabilize the arrival completion rate and reduce the impact on raw fuel inventory and quality.At present,the mixture ratio of Baotou Iron and Steel is complex and has many changes,which has a great influence on the qualified rate of alkalinity.In March,steel slag was added in the mixture ratio,and the granularity of steel slag was uneven,and sometimes steel slag larger than 10mm appeared,resulting in high Si O₂in the blended ore,which resulted in segregation during sintering and affected the quality of sinter.The layers of stacking and fetching materials should be reasonably increased to improve the mixing efficiency.At the same time,a set of steel slag screening or crushing system is added to strictly control the granularity of steel slag to ensure that the quality of pellet reaches the standard.In the iron and steel area,through the analysis of the railway map on the spot,the torpedo tank must pass through the weighing station to weigh the molten iron from each blast furnace to the steel-making plant,and the distance between the weighing stations is prolonged.The positions of key points are scattered,the route is complex and the distance is far away.After comprehensive consideration,it is suggested to re-plan and build railway lines to improve transportation efficiency.There is a phenomenon of repeated inspection in some links of ironmaking and steelmaking,so unnecessary chemical inspection behavior should be reduced to save costs;Iron-making plant and steel-making plant adopt different judgment standards for molten iron,but they are both within the national standards.If the judgment standards are unified,a large number of inspection costs can be saved and pull-type production can be gradually realized.If iron samples are no longer tested in ironworks,According to the test data of steelmaking plant,the operation condition of blast furnace can reduce 15,000 times of test times and 3 million yuan of test cost.In the iron rolling area,it takes 110 minutes for the billet transport vehicles to run once,and the waiting time for unloading accounts for most of the transportation time.The waiting time for unloading is due to the high temperature of the incoming material,which makes the magnetic crane unable to lift and needs to wait for cooling down.The average temperature of incoming material is 500?,and the average cooling time is 1.1 hours,As a result,the self lifting vehicles were overstocked at the gate of rail beam raw material warehouse and could not be transferred.It is suggested that the magnetic crane should be changed to clamp crane,which can avoid waiting for cooling down and improve the speed of vehicle circulation.There is no electronic system in the laboratory to count the specific time of sample taking,sample preparation,inspection and report sending.All the time is manually recorded and the registration time is on the whole hour,There are some errors in filling in the sample receiving record form.The electronic account should be added to facilitate the transfer of test results among institutions and facilitate query.