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Washer Hoods

GL&V can provide FRP hoods for vacuum washers in a variety of styles to fit the needs of the particular application. These hoods are designed to contain most of the liquor and pulp within the vat and provide a means to collect most of the process vapors to minimize the effects of the vapors on the washer floor.

Standard fixed hoods with removable maintenance sections as well as lift-door (gull-wing) hoods can be custom designed for the particular application and needs of the mill. The hoods are suitable for both Brown Stock and Bleach applications. For systems with multiple washers coupled in series, access ways can be provided to accept mill-supplied catwalks to enable operator traffic for sampling, maintenance, and most routine functions without having to be enveloped in the vapor phase of the process.

  • Hoods are supplied with gaskets to seal the hood mounting flange to the vat lip
  • All hoods have 2 x 2 hinged doors for inspection or sampling
  • Light ports are provided on both sides of the hood at inlet and discharge. Lights can be provided at additional cost
  • Shower saddles are provided and sized to accommodate existing shower bars for both arc position and pipe diameter
  • Other flanges/penetrations can be custom designed to meet the specific needs of the application
  • Lift-door hoods are furnished with an air/oil system that employs mill air to lift and lower the doors. Because it is a demand system, there is no normal consumption of air.
  • Lift-door pistons have a self-locking arm to hold the door(s) in the open position during maintenance operations
  • All hood panels are shop-assembled and match-marked to aid in assembly during installation

 

  • Minimize liquor spills
  • Reduces exposure to process vapors in ambient washer environment
  • Reduces exhaust vapor volume to treatment/scrubbers over conventional canopy hoods
general requests

Washer Hoods

GL&V can provide FRP hoods for vacuum washers in a variety of styles to fit the needs of the particular application. These hoods are designed to contain most of the liquor and pulp within the vat and provide a means to collect most of the process vapors to minimize the effects of the vapors on the washer floor.

  • Further Details

    Standard fixed hoods with removable maintenance sections as well as lift-door (gull-wing) hoods can be custom designed for the particular application and needs of the mill. The hoods are suitable for both Brown Stock and Bleach applications. For systems with multiple washers coupled in series, access ways can be provided to accept mill-supplied catwalks to enable operator traffic for sampling, maintenance, and most routine functions without having to be enveloped in the vapor phase of the process.

  • Technical Information

    • Hoods are supplied with gaskets to seal the hood mounting flange to the vat lip
    • All hoods have 2 x 2 hinged doors for inspection or sampling
    • Light ports are provided on both sides of the hood at inlet and discharge. Lights can be provided at additional cost
    • Shower saddles are provided and sized to accommodate existing shower bars for both arc position and pipe diameter
    • Other flanges/penetrations can be custom designed to meet the specific needs of the application
    • Lift-door hoods are furnished with an air/oil system that employs mill air to lift and lower the doors. Because it is a demand system, there is no normal consumption of air.
    • Lift-door pistons have a self-locking arm to hold the door(s) in the open position during maintenance operations
    • All hood panels are shop-assembled and match-marked to aid in assembly during installation

     

  • Benefits

    • Minimize liquor spills
    • Reduces exposure to process vapors in ambient washer environment
    • Reduces exhaust vapor volume to treatment/scrubbers over conventional canopy hoods

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