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Steel tubes in a steel plant

LSAW and SSAW Pipes: Properties, Applications and How They Are Made

Longitudinal Submerged Arc Welding Pipe (LSAW) Properties and Uses Longitudinal submerged arc welding pipe (LSAW) pipes have high strength and pressure resistance. They are widely used in long-distance, large-diameter oil and gas transmission pipelines.  The LSAW pipes are suitable for high-pressure environments. The size of LSAW pipes is accurate, good roundness…
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Iron Casting Process

Blast Furnace Thermal System

Thermal system in blast furnace project includes blower station, cold air, steam and compressed air devices. The axial flow blower has the advantages of high flow rate, high efficiency, wide operation area, light weight, small size, etc., which can be adapted to the operating requirements of the blast furnace with…
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Water Pump Area inside a Blast Furnace

Blast Furnace Water System

Blast furnace water system mainly divides into soft replenishment water, closed-circuit soft water , purified circulating water, straight water, slag treatment water, and blower station purified circulating water system (steam blower station is equipped with desalinated water supply and regeneration waste liquid drainage system), and in addition, the fire-fighting water,…
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Blast Furnace Ironmaking Plant under Construction

Blast Furnace Gas System

Gas system of blast furnace mainly includes gas purification, TRT (blast furnace gas (waste heat) turbine power generator) and blast furnace gas discharge tower, etc. Blast furnace gas purification adopts dry bag dust removal, that features high dedusting efficiency, no water consumption, low energy consumption and high automation. After the…
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Lower Alloy Costs for Steel Production

Lower Alloy Costs for Steel Production

High production cost affects the product competitiveness of steel factory, for the production of high-strength steel bars, there is a workable solution to reduce alloy cost to employ Ti replacing N-V for microalloying. The strengthening effect of niobium on steel is mainly fine grain strengthening and diffusion strengthening. Niobium added…
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electrical substation or high-voltage infrastructure

Blast Furnace Power Supply and Distribution

Electrical system of blast furnace divides into High-voltage (HV) and Low-Voltage (LV) power supply and distribution,electrical transmission and control, process detection and control, basic automation. High-voltage power supply and distribution facilities The high-voltage power distribution of blast furnace is generally 10kV, and the total power supply of upper level is…
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Influence Factors of Rolling Force

Influence Factors of Rolling Force

The factors affecting the rolling force are: Absolute reduction In the roll diameter and friction coefficient of the same conditions, the contact area between rolled part and roll becomes large along with increase of absolute amount of press-down, so the rolling force increases. Roll diameter The contact area increases as the roll diameter increases, while the…
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