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Glass Conditioning Systems

FOREHEARTH GCS® SERIES 301-ADVANCED

GENERAL

 

DESIGN
  • The GCS® Series 301-advanced design allows a wide range of gob temperatures required to produce different sized articles
  • Special roof cover block for area separation along the control zones:
    • Separated boundary areas to heat the glass particularly at the side of the forehearth
    • Separated central section to guide direct cooling air
  • Improved thermal homogeneity through optimised transition between equalising zone and spout
  • Roof design with indirect centreline cooling
  • Use of high-performance insulating refractories
  • High-end glass conditioning

 

DIMENSIONS
  • Typical length starts at 16 ft
  • Standard width from 36” to 54”
  • T-type, F-type or Y-type for tandem production available, depending on machinery layout

 

AVAILABLE COOLING SYSTEMS
  • Direct superstructure air cooling
  • Indirect superstructure air cooling
  • Indirect bottom cooling
Cross section of forehearth GCS® 301-advanced with direct and indirect superstructure cooling and indirect bottom cooling
3D model of forehearth GCS® 301-advanced
Longitudinal section of forehearth GCS® 301-advanced

1. Direct superstructure cooling
2. Indirect superstructure cooling
3. Indirect bottom cooling

STEEL WORK
  • Assembly of the forehearths follows conventional design
  • Substructure refractories are enclosed in steel casings
  • Braced frames support the superstructure

 

REFRACTORIES
  • Designed to meet modern technical requirements to achieve optimal thermal homogeneity combined with minimum energy requirement
  • Channel blocks of zircon mullite, fused cast AZS or alumina material
  • Forehearth superstructure in sillimanite material and premium insulating refractory materials

 

CORA® MIXTURE HEATING SYSTEM
  • Constant air/gas Ratio
  • Safety switch-off system (in accordance with DIN EN 746-2)
  • Automatic lambda control (optional)
  • Preassembled skids for easy installation including pipework
  • Used at distributors and forehearths (GCS® Series 200 and 301-advanced)
COOLING EQUIPMENT FOR DISTRIBUTORS AND FOREHEARTHS
  • Customised cooling fan layout
  • Alternatively two central cooling air fans for all air cooling systems, one in operation and one as stand-by
  • Radiation and/or flue gas openings can be operated manually or automatically

 

MEASUREMENT AND CONTROL SYSTEM
  • Fully automatic temperature control loops in each zone
  • Spout heating can be controlled manually or automatically
  • Different types of temperature measurements (thermocouples or pyrometers) are available for each zone
  • Grid-measurement in equalising zone with K-factor calculation, according to Emhart 9 point formula
  • All measuring and control instrumentation housed in a completely assembled and wired control panel

FEATURES

  • High thermal homogeneity (THI) for flint glass and coloured glass (incl. HORN® forehearth boosting)
  • Refractory can be designed for additional HORN® stirrers, VARI-DRAIN® or HORN® forehearth boosting
  • High flexibility
  • Wide range of production processes
  • Superior glass conditioning
x = included / o = available / – = not available
  GCS® 100 GCS® 200 GCS® 301-advanced GCS® all electric
CORA® heating system o x x –
Indirect electrical heating system o – – x
Direct electrical heating system o – – x
Radiation openings o o o –
Waste gas openings o x x –
Indirect air cooling – o o o
Direct air cooling o – o –
Indirect bottom air cooling – – o o
Stirrer unit – o o o
Equalising – boosting – o o o

OPTIONS

OPTIONAL EQUIPMENT FOR FOREHEARTHS
  • HORN® drainage system VARI-DRAIN®
  • Stirrer system in equalising zone
  • Forehearth boosting in equalising zone
Arrangement of state-of-the-art HORN® glass conditioning systems
Arrangements of state-of-the-art HORN® glass conditioning systems
A sophisticated arrangement for two tandem machines based on HORN® conditioning systems (top view)
CFD Modelling case of forehearth GCS® 301-advanced gas fired (longitudinal section)

BROCHURE

GLASS CONDITIONING SYSTEMS

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