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PCI+® - Injection of pulverized-coal

Statischer Verteiler

PCI+® S 

Injection of pulverized coal into the tuyères of blast furnaces using a static distributor

Verteilergefäß

PCI+® V

Injection of pulverized coal into the tuyères of blast furnaces using a distributor vessel

Verteilgefäß

PCI+® VC

Injection of pulverized coal into the tuyères of a Cupola by means of a vessel-distributor

PCI+® S is characterized by:

  • main conveying pipelines to static distributor with injection pipelines based of dense stream technology
  • minimum wear and tear due to low conveying velocity
  • high availability of the PCI+® S installation (more than 99 %)
  • high specific conveying flow rate (more than 400 kg/cm²/h)
  • troubel-free adaption to the blast furnaces due to small inner diameters of the injection pipelines (12 - 26 mm)
  • Erection of the PCI+® S installation in high distance from the blast furnace (length of the main conveying pipeline up to 700 m)

PCI+® V is characterized by:

  • Multiple dosing of pulverized coal from fluidized bed for uniform distribution over all injection pipelines
  • Minimum wear and tear due to low conveying velocity
  • High availability of the PCI+® V - installation of more than 99 %
  • Very high specific conveying flow rate of more than 650 kg/cm²/h 
  • Trouble-free adaption to the blast furnace due to small diameter of the injection pipeline (12 - 26 mm inner diameter)
  • Erection of the PCI+® V - installation in sufficient distance from the blast furnace (length of injection pipelines up to 150 m)
  • Low nitrogen load of the blast furnace by PCI (10-20 Nm³/t injected pulverized coal)

PCI+® VC ist characterized by:

  • Vessel-distributor with single independent conveying pipelines based on the dense-phase pneumatic transport
  • Multiple dosing of the pulverized coal out of a fluidized bed for equal distribution over all conveying lines
  • Extreme small specific conveying rates possible (from 30 kg/h per single conveying pipeline)
  • Minimal wear by low conveying velocities
  • High availability of the PCI+® VC - equipment (nearly 100 %)
  • Extreme high specific conveying rate (more than 650 kg/cm²/h)
  • Uncomplicated adaptation to existing Cupolas by small diameter of the single conveying pipelines (10 - 14 mm internal diameter) 
  • Erection of the PCI+® VC - Silo and intermediate conveying plant in large distances of the vessel-distributor (up to 500 m)
  • Small required space for the vessel-distributor near by the Cupola
  • Ultralow nitrogen - input into the Cupola (10 - 15 Nm³/t oulverized coal)
  • Use of various pulverized coals and coal mixtures
  • Use of Oxycoal lances for complete coal combustion

Animation of PCI+® - process

Scope of services for all PCI+® - facilities

  • Feasibility studies
  • Basic and detail engineerimg
  • Testing the conveying capability of a material in our own technology centre
  • Delivery and assembly of the entire PCI+® plant
  • Commissioning
  • Training of operators and maintenance personnel
  • After sales service
ESCH
CONTACT

E.S.C.H. GmbH 
Maxhüttenstraße 19
07333 Unterwellenborn

Telephone: +49 3671 6740-10 
Fax:  +49 3671 6740-80
E-Mail: info@esch-online.de