Cleaner production technology
Implement advanced pollutant control technologies covering source reduction, process control and end treatment, such as sulfur reduction based on blast furnace charge structure optimization, energy saving and emission reduction of sintering flue gas cycle, multi-process multi-pollutant ultra-low emission control, etc. It is supporting atmospheric pollutant emission indicators that are comprehensively better than ultra-low emission standards. Develop and apply the water and salt collaborative control and resource system with urban water as the water source, coupled with the water film cold peak shaving high-efficiency air cooling system, concentrated salt moisture and salt crystallization resources and other key water-saving and salt control technologies. Finally achieve low-cost wastewater zero discharge, creating a model of harmony and co-prosperity with the urban water environment. Develop key technologies for the utilization of waste heat and energy, such as efficient integration of coking energy flow, low-pressure waste heat steam power generation and steel slag modified gas quenching treatment, and break through the problem of low-temperature, intermittent and dispersed low-temperature waste heat recovery. Develop a comprehensive utilization technology system for the collaborative disposal of typical solid and hazardous waste of iron and steel, integrate "harmless, reduce and recycle" technologies such as ultrafine powder building materials, efficient coordination of medium and low-grade zinc-containing solid waste resources, and preparation of all-solid waste cementitious materials, realize the resource utilization of metallurgical solid waste "turning waste into treasure", and contribute steel power to the construction of a "waste-free city".
Green mine development technology
In the whole process of mineral resources development, through the implementation of key technologies such as nano-scale atomization blasting dust reduction, full-particle level wet preselection, and green filling of tailings, a safe and environmentally friendly intelligent management and control platform has been created, which has realized the mine with ecological environment, scientific mining methods, efficient resource utilization, digital management information and harmonious mining community in the mining area.
The giant mine warrior KY-321A rotary drilling rig
Hydrogen metallurgy technology
Achieve hydrogen-based shaft furnace direct reduction technology, coke oven gas self-reforming technology, hydrogen-based shaft furnace process CO2 removal and efficient utilization technology, hydrogen-based shaft furnace process pollutant ultra-low emission technology. The successful commissioning of the world's first 1.2-million-ton hydrogen metallurgy demonstration project has led the industry to transform from "carbon metallurgy" to "hydrogen metallurgy", opened the era of hydrogen metallurgy and boosted the low-carbon green transformation.
hydrogen metallurgy demonstration project
Low-carbon and low-cost ironmaking technology
Develop all-oxygen hydrogen-rich carbon cycle reduction melting iron smelting technology, blast furnace hydrogen-rich low-carbon smelting technology, pellet extraction silicon reduction technology, high proportion pellet smelting technology, closed material yard technology, thick material layer sintering technology, sintering flue gas selective circulation technology, multi-process multi-pollutant ultra-low emission control technology, full-process ore blending model, blast furnace big data model. The application of low-carbon and low-cost ironmaking technology drives the green, sustainable and high-quality development of steel, helping to achieve the dual carbon goal.
Clean steel platform technology
The whole process and information integration platform of clean steel is constructed, and technologies such as analysis-optimized molten iron pretreatment, high-efficiency-enhanced converter smelting, rapid-coordinated secondary metallurgy, high-efficiency-constant speed full continuous casting, dynamic-orderly operation of informatization, fine-strict process parameter control and traceability are implemented, and realize the dynamic control of the cleanliness of molten steel in the whole process of steelmaking. A deep-drawn steel plate represented by HBIS GroupTangsteel and HBIS Group Hansteel, a special steel bar represented by HBIS Group Shisteel and a wide and thick plate clean steel platform system represented by HBIS Group Wusteel have been established.
Automated steelmaking technology
Using flue gas analysis, auxiliary lance, big data and other technologies, it realizes accurate prediction of carbon and temperature in the whole process of converter blowing and stable control of the end point of blowing, promotes the organic penetration of automatic iron mixing, automatic blowing in the whole process, automatic steel tapping and automatic slag protection furnace, nests online intelligent evaluation models for cost and quality, and the intelligent control level of converter steelmaking has reached the leading level in the industry.
Extra thick plate production technology
Clean steel smelting, electroslag remelting, micro-alloying, special ingot mold design, thick slab (ingot) efficient heating, extra thick plate rolling and extra thick steel plate roll quenching and other perfect production technology of extra thick steel plate can produce the maximum thickness of 700mm, and the product quality has reached the international leading level.
large steel ingot production
Ultra-thin hot-rolled coil production technology
Based on the continuous casting technology of high-tensile thin slab, the regenerative combustion technology of roller-bottom heating furnace and the automatic control technology of double-station hot coil box, the automatic leveling technology of strip tail plate type is stably applied to realize the batch and stable production of thin specifications of special varieties such as high-carbon steel, weathering steel, electrical steel, and construction machinery steel.
1810mm hot rolled coil production line
High-end automotive steel production technology
It integrates process technologies such as high cleanliness, narrow composition precise control, high-precision cold-rolled plate shape control, high-surface galvanized outer plate quality control, differential rapid jet cooling, precise organization regulation, high hydrogen cooling, and stable production of water quenching dual processes, etc., to realize the mass production of high-end automotive steel such as O5 grade automotive outer panels, ultra-deep drawing steel, and 2000MPa grade ultra-high strength steel, and "full vehicle manufacturing" of multiple models.
Rectangular continuous casting bloom production
High-end special steel bar production technology
Relying on the short-process production process, equipped with the world's largest section and deepest continuous die casting machine and the world's largest bar KOCKS three-roll reduced diameter rolling mill, applied with high-end bearing steel low titanium, low oxygen content control technology, high-end gear steel narrow composition, narrow hardenability control technology, high-end spring steel high cycle fatigue life control technology, high-end non-quenched and easy-cut steel high Al, N, S control technology, to meet the requirements of special steel bars for automobiles, rail transit and construction machinery.
Clean and efficient production technology of vanadium and titanium high-end products
In view of the problems of low vanadium extraction rate, inability to extract chromium, and high cost of high-salt ammonia nitrogen wastewater treatment in the traditional "vanadium slag sodification, roasting and vanadium extraction" process, a new generation of all-wet vanadium extraction technology with independent intellectual property rights was developed, and the world's first vanadium slag sub-molten salt method high-efficiency vanadium extraction clean production demonstration project was built, and a new green manufacturing process of high-purity vanadium oxide by ion displacement method and high-efficiency dissolution-targeted impurity removal-cascade reduction-electrochemical precise regulation of valence vanadium electrolyte was developed. The product wins the national manufacturing single champion product of the Ministry of Industry and Information Technology. It has realized the whole process of vanadium extraction and environmental protection, leading the green and high-end upgrading of the international vanadium chemical industry
Large blast furnace for V-Ti magnetite smelting