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Steelmaking plants innovate and create benefits! Optimize the operation to avoid the cold charge entering the furnace and firing; the innovative method of maintaining the furnace cap in the later stage of the 35t converter furnace

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Steelmaking plants innovate and create benefits! Optimize the operation to avoid the cold charge entering the furnace and firing; the innovative method of maintaining the furnace cap in the later stage of the 35t converter furnace

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When the converter is repairing the front wall, by optimizing the operation, the occurrence of safety accidents can be effectively avoided. Aiming at the problems existing in the later stage of the 35t converter, through optimization and innovation, the service life of the back wall of the converter was improved, and the consumption of charging materials and the cost of steelmaking were reduced.

Keyword

Converter technology, magnesia carbon brick, tapping brick

Realed productmagnesia-carbon brick

 

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  • Optimize operation to avoid cold material entering the furnace and firing.

When the converter is repairing the front wall in rainy and snowy weather, because the converter cannot be reversed, the waste steel moisture in the furnace cannot be exhausted, and there is a potential safety hazard. Through repeated operation tests in the crane operation area, first ensure that the crane does not move the converter after adding scrap steel to the converter; adjust the height of the ladle to the normal height, and lift the main hook when the ladle mouth will contact the furnace mouth, and then The auxiliary hook is lifted, and the converter does not need to be shaken down during the water mixing process. It is realized that relying on the heat of molten iron at the bottom of the furnace, the moisture in the wet scrap is baked out, which effectively avoids the occurrence of safety accidents.

 

  • An innovative method for maintaining the furnace cap in the post-service period of the 35t converter.

In view of the problems that the magnesia-carbon brick of the furnace cap is eroded and pulverized in the later stage of the 35t converter furnace, and the thickness of the magnesia-carbon brick of the furnace cap is reduced. In the smelting operation area, the 35t converter tapping pipe brick was changed, the thickness of the slag splash layer in this area was thickened, and at the same time, it was ensured that when the tapping port was replaced, the tapping material was evenly filled to the furnace cap area, so as to ensure uniform erosion of the refractory material in this area, and improve the The service life of the back wall of the converter for repairing the furnace reduces the consumption of repairing materials and the cost of steelmaking.[/vc_column_text][vc_column_text]One stop solution for steel industry[/vc_column_text][/vc_column][/vc_row]

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As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally. 

Our product  have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time.

LMM Main product series

Core technology products:

  • magnesia carbon brick
  • slide gate plate
  • graphite electrode

Core technology products:

  • Hss roller
  • cast steel rolls
  • tungten carbide ring roller

Core technology products:

  • copper mould tube
  • copper mould plate
  • assembly & cooling jackts

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