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Huaxi has a rich history of precipitation and heritage, the main blast furnace with high alumina refractory bricks, dense corundum refractory bricks, amorphous refractory materials and other products
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On May 25, 2023, Rizhao Iron and Steel Plant of Shandong Iron and Steel Co., Ltd. carried out the medium repair project of 2#5100m blast furnace. West China Science and Technology Group undertook the construction of covering agent spraying and blast furnace wet injection lining.
In March 2023, the integrated general contracting project for the maintenance of No. 1 and No. 2 blast furnaces of a steel plant in Shanxi undertaken by Huaxi Science and Technology Group was successfully completed.
At 1: 06 on March 21, Shougang Tonggang 2#2680m blast furnace was successfully unrolled, marking the successful completion of the overhaul project of the blast furnace and its official commissioning. After the bath fire smelting of the blast furnace, the first furnace of molten iron flows out smoothly.
High-efficiency, professional casting, high-quality goods, hard work, opening a new bureau
At the beginning of early spring, Vientie is updated. In the spring season, under the leadership of the board of directors of the group, Huaxi Technology, based on a new starting point, embarked on a new journey, created new brilliance, worked hard, competed for the first opportunity, and achieved good results frequently.
Production Practice of Shougang 4000m ³ Blast Furnace Shutdown
Shougang's 3#4000m3 blast furnace was put into operation on January 8, 2010. At present, due to the serious erosion of the furnace lining, it brings hidden dangers to the production safety, and because of the long-term addition of titanium furnace protection, the activity is reduced. In order to completely eliminate safety hazards, further achieve production and reduce consumption, at the end of June 2022, the 3# blast furnace will be organized to carry out maintenance operations, and Huaxi Technology Group will carry out maintenance projects such as furnace body spraying and lining.
Recently, the general contracting project for the integration of medium and medium repair of No. 6 2200m blast furnace in Valin Lianyuan Steel, undertaken by Huaxi Science and Technology Group, was successfully completed and put into operation on January 15. The project adopts international cutting-edge patented technologies such as integral pouring of tuyere belt, hot surface pouring of cooling wall, wet injection lining and intelligent hard pressure-in lining, which provide a strong guarantee for the blast furnace to achieve rapid efficiency and production.
This paper mainly introduces the application of the sixth generation of West China wet injection lining, the overall pouring of the tuyere area and the operation of the blast furnace after commissioning in 2022 on the No.5 (1500m ³) blast furnace of Liugang. After Liugang No.5 blast furnace was put into operation, the fuel consumption decreased significantly, the coke ratio in the furnace decreased to 554 kg/t, and the fuel ratio decreased from 546.5 kg/t to 513.6 kg/t. The problems of blast furnace gas leakage and cooling wall leakage were also completely solved, and various indexes entered the forefront level in the country, setting the best in the history of Liugang blast furnace indexes.
West China technology furnace cylinder integral pouring technology (patent number: ZL 201610353176.4) is a rapid repair of blast furnace hearth and ceramic cup way, has been widely recognized, the market share has reached 55.98.
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10.18
2023
Angang blast furnace replacement project site Zhoukou!
Li Xinchuang, Dean of the Metallurgical Industry Planning and Research Institute and Secretary of the Party Committee, said: "Henan's steel production capacity is concentrated in Anyang. For a city, development not only depends on steel, but also building materials, chemicals, casting, etc., otherwise it is not conducive to overall development. The conditions for steel development in areas that are too dense should be restricted, and it is normal to tilt towards some areas with strong development desires, development momentum and advantages. Any industry must continue to optimize the layout, steel is particularly prominent, from the policy level proposed capacity replacement, that is, from the steel-intensive areas to have a comparative advantage of the reasonable transfer, this is the replacement of the premise and background.
Analysis of How to Operate Blast Furnace Before Opening After Spraying Lining?
Blast furnace spraying is a method of rapid lining of a blast furnace, which can be used to reduce the material surface for local spraying, regular furnace type, but also in the blast furnace overhaul when the overall spraying, shorten the blast furnace overhaul time, rapid recovery of production. It is an effective means for rapid lining of blast furnaces and is continuously used by most blast furnaces. The rapid overhaul of the blast furnace, the overall pouring of the furnace cylinder, the spraying of the furnace belly and the lining of the furnace body, greatly shortened the overhaul time, and soon resumed production.
Oct 18,2023
Tangshan Kaiping, Guye, Fengnan, Fengrun and other areas retain a blast furnace production at most!
The people's governments of counties (cities, districts), the management committees of development zones (management zones), and relevant municipal departments: According to the latest forecasts of the Ministry of Ecology and Environment and the Provincial Department of Ecology and Environment, from October 18 to 22, there will be continuous moderate To severe pollution process, the primary pollutant is PM2.5.
Oct 18,2023
The integrated whole furnace pouring technology (patent number: ZL2020109906820) is a major technological revolution in the history of blast furnace lining, and it is a plan for large and medium repair of blast furnace. Its key advantage lies in the targeted development of structural refractory materials for each part of the blast furnace according to the reasons for erosion. The establishment of three new material systems and new technology theory, the use of materials require plastic forming, reaction enhancement, strict material requirements; Change the traditional construction process, a pouring molding, the whole blast furnace lining from bottom to top to form a complete whole. The technology has been successfully applied to a number of large-scale blast furnace projects in China, with a market share of 93.33 per cent.
Feb 23,2023
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