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BF Intake Air Device

BF Intake Air Device

Product Details:

  • Application BLAST FURNACE
  • Supply Ability : 50 Per Month

Product Specifications


Trade Information

  • Letter of Credit at Sight (Sight L/C), Telegraphic Transfer (T/T)
  • 50 Per Month
  • 30 Days
  • Plywood case suitable for sea transportation
  • Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa
  • All India
  • TS ECM ISO9001 ISO14001 OHSAS18001

Product Description

1The invention has the advantages of simple structure andlight weight and the components can be produced and processed according to theactual requirements the disassembly and assembly are flexible and convenientthe requirements of quick assembly and disassembly of the front furnace can bemet a detachable spherical interface seat is adopted on the spherical surfaceof the bent pipe which is sealed with the connecting pipe and the service lifeof the bent pipe is prolonged

The sealing spherical surface adopts hightemperatureresistantcomposite material technology cannot be oxidized at high temperature of 1350DEG CAnd thesealing precision is ensured by adopting the stepbystep processingtechnology

3The fireresistant lining ramming adopts the mechanicalvibration technology and the ramming is compact and reliable

By adopting the novel gradient casting material thesurface temperature of the air inlet device is 50100 DEG C lower than the olddevice the heat loss is small the air inlet temperature is correspondinglyimproved

The joint of the flange shall be coated with the ceramicfiber gasket with high temperature resistant stainless steel to reduce the airleakage at the middle and later stage of the The air inlet device generallyadopts the following structure types

11000m3 highandmediumsized blast furnace air inlet device

1000m3 sends hotair from hot air enclosure to blast furnace with large and mediumsized airinlet device In ironmaking the hot air temperature is nearly 1400  and the pressure is 06 MPA In order to ensure thatthe inlet air device does not run in the working state and does not leak thedesign of the inlet air device is very strict Because the air inlet deviceworks in harsh environment for a long time and the blast furnace of ironmakingenterprises in China is developing to high air temperature high air pressureoxygen enrichment coal injection and so on the performance of air inletdevice is required to be higher and higher

2 According tothe requirements of reliable performance longevity and energy saving ofironmaking blast furnace equipment on the basis of investigation and summarythe structure and technology of our company have been perfected and many airintake devices with good performance such as automatic compensation structuredamping labyrinth seal compensator structure and doublelayer heat insulationcavity structure have been developed The device has the advantages ofreasonable design and reliable performance and can meet the requirements oflarge and mediumsized blast furnaces It has the characteristics of pressureresistance heat resistance fatigue resistance low shell temperature lowheat loss and so on It provides a powerful guarantee for blast furnace highair temperature high wind pressure and high smelting strength

The air intakedevices of large and mediumsized blast furnace at the upper level of 1000m3are as follows

Separatecompensator flange connection Universalangle ztype seal compensatorcoupling type Joint type of universal angular ball surface sealing compensator


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