In the paper, such problems as printing wrong label, wrong labeling, high labor intensity of operators and potential safety hazards due to the cross operations with crane on site aiming at the manual labeling for outer and inner surfaces of steel coils after skin rolling in the skin-pass rolling production line. The mutual communication and control of each system are completed as well as the automatic labeling with mechanical arm instead of manual work is realized through designing the electrical automation control, upper computer control, motion control of mechanical arm, clamp and pneumatic system of automatic labeling system for steel coils in the skin-pass rolling production line so that the labor intensity of operators reduces and life safety of personnel is ensured. The automatic labeling system can be as the reference for replacing the manual operation with mechanical arm under the similar conditions.

In this paper, it is introduced the audio intelligent recognition system for industrial equipment fault is designed and integrated into the patrol robot. The robot could collect real-time audio data of equipment in inspection area and transmit them to the edge computing module inside itself to automatically carry out model training, extract and compare acoustic feature as well as give an alarm in time when there are abnormal characteristics when it is doing inspection tasks so that the recognition of internal fault of equipment could be realized. As a result, the detection is more comprehensive and accurate through solving the problem of limitation of visual detection.

The components of Cr-Mo microalloyed steel are designed and developed according to the performance requirements of C110 oil casing with resistance to hydrogen sulfide corrosion as well as the industrial tests are carried out based on the research results of characteristics of steel in laboratory. The results showed that the designed product was with good strength and toughness after heat treatment of quenching and high temperature tempering, which could satisfy the requirements of mechanical properties of standard; while when the yield strength satisfied the standard requirement and was less than 800 MPa, the tube was with excellent resistance to hydrogen sulfide stress corrosion and the percent of pass for test of resistance to hydrogen sulfied was more difficult to achieve 100%.

In order to realize the intellectualization and informatization of coal blending management for coking, the optimized coal blending system composed of single coal database, coke quality prediction module, cost performance evaluation module of single coal and optimizing design module of coal blending is independently developed. With the Access as background database, the functions of each module are realized through such algorithms as invoking programming solver by VB+EXCELVBA hybrid programming technology and multiple linear regression. The production applications show that the system plays a prominent role in reducing production cost of coking and stabilizing coke quality.

The design budget estimate is the important basis for investment cost control of metallurgical engineering. In this paper, it is briefly introduced as well as it is analyzed the common problems in the process of preparing design budget estimate for metallurgical engineering such as investors do not pay enough attention to the preliminary design budget estimate, content provided by designer is incomplete and level of budget estimate preparers is insufficient. Moreover, the corresponding improvement suggestions and several countermeasures to improve preparation quality of budget estimate are given-select accurate prices of materials and equipment, implement strict review and approval process as well as carry out comparative analysis with the feasibility estimate to ensure the accuracy and completeness of budget estimate.

In this paper, it is systematacially introduced the background, specific implementation process and achievement for the integrated management mode of production, marketing, research and development and forwarding in Rare Earth Steel Plate Co. as well as comprehensively summarized the important measures in operation process. The exploration and practices on the management mode promote the performance of production and management and management level of enterprise to be improved as well as provide the references for propelling the reform of management mechanism and improving the management efficiency of other enterprises in the iron and steel industry.

The manganese content of molten iron in the production line of steelmaking in Rare Earth Steel Plate Co. is higher so that the highly purified armco iron could not be smelted by converter process. In the paper, it is introduced the demanganization process with double slag in LF is developed through simulating the demanganization condition of converter with LF, starting with such three aspects as basicity of slag, demanganization temperature and oxidability of slag as well as taking full advantage of existing equipment conditions of production line. The slag with high oxidation after tapping of molten steel from converter is utilized in LF, the ingredient of LF clinker is reasonably adjusted to produce efficient slag of demanganization and promote the steel slag reaction through argon stirring so as to create good thermodynamic and dynamical conditions for demanganization. According to the requirements of manganese content of products, double slag and single slag processes are applied in operations to realize the stable batch production of armco iron with the manganese content less than 0.03% and 0.02%.

The circle shear is one of the key equipment in production of cold rolling strip, which is mainly used for cutting to length and trimming of strip. In the paper, the structure and principle of equipment for trimming operation of cold rolling strip is analyzed as well as the relation among use and calibration of shear edge for circle shear, process parameter adjustment and quality of trimming is analyzed and improved by taking the circle shear of cold-rolled steel pickling crew in Inner Mongolia Baotou Steel Rare Earth Steel Plate Co., Ltd. as research object so that the stability of circle shear is improved, probability of trimming defect is reduced and quality of trimming for finished strip steel is improved effectively.

The goal of accurately controlling various components in smelting process of high magnetic induction oriented silicon steel is realized through process optimization of the whole production line in steelmaking area of Rare Earth Steel Plate Co., where the mass fraction of total oxygen in casting blank is controlled at 0.000 4%~0.001 5%; mass fraction of aluminum is controlled at 0.027 0%~0.030 0%; mass fraction of nitrogen is controlled at 0.007 1%~0.008 3% so that the high magnetic induction oriented silicon steel could meet the needs of next step in the rolling process. As a result, its mass production is realized.

In the paper, it is introduced the supermatic and informationized solution of intelligent unmanned warehouse with collaborative operation of various unmanned equipment such as crane and ground equipment, intelligent scheduling, intelligent storage location recommendation and trace of the entire process of materials is established aiming at how to effectively improve warehouse management and reduce warehouse cost by exploring the establishment of intelligent unmanned warehouse, analyzing such links of the whole process of warehouse as inbound of coils, swing, classified storage and delivery of cargo from storage as well as taking the new technology of unmanned and automatic equipment as supporting point, informationized and intelligent decision making of warehouse management system as support.