bae.ksu/faculty/wolf
DESCRIPTION
For more information contact:. [email protected]. www.bae.ksu.edu/faculty/wolf/. Nozzle Design Update. Biological and Agricultural Engineering. Robert E. Wolf Extension Specialist Application Technology. Nozzle Technology……. Nozzles designed to reduce drift Improved drop size control - PowerPoint PPT PresentationTRANSCRIPT
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Nozzle Design Update
Robert E. Wolf Extension Specialist Application Technology
Biological and Agricultural Engineering
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Nozzle Technology……• Nozzles designed to reduce drift• Improved drop size control• Emphasis on ‘Spray Quality’
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Nozzle Efficacy/Drift Slope
• XR, TR
• Turbo Flood• Turbo TeeJet
• Air Mix• AI XR• GuardianAir
• AI• Ultra Low Drift• Turbo Drop
• TTI
Extended Range
Chamber Design
Venturi Design - I
Venturi Design - II
Nozzle development timeline
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Nozzles Types?
Flat Spray Patterns
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Extended Range Flat-fan:
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Turbo Flat-fan:
Turbulence chamber as in the Turbo Flood Tapered edge, wide angle flat pattern Designed to work in flat-fan nozzle holder Uniform spray distribution, 50-60% overlap Wide pressure range, 15 – 90 psi Large, drift resistant droplets Plastic with superior wear characteristics
Pre-orifice
Exit orifice
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New release in 2006:
• Dual outlet• Superior leaf coverage• Droplet range slightly larger that
comparable TT flat-fan
Turbo TwinJet
See Page 10, TeeJet Catalog 50A
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Pre-orifice Venturi Nozzles(1st generation)
Pre-orifice
Air induction
Exit orifice
Mixing Chamber
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2nd Generation Venturi Nozzles:
• More compact• Larger drops• Operates at lower pressures• Percentage of fines do not
increase with pressure
Turbo Injection - TTI
See Page 11, TeeJet Catalog 50A
Turbo TwinJet Induction
AITTJ60
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3rd Generation Venturi Nozzles
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New release in 2007:
• XR outlet with venturi air aspirator design• More compact than AI style• 2-piece with removable pre-orifice
AIR INDUCTION XR TeeJet
See Page 14, TeeJet Catalog 50A
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GuardianAir Induction:
• More consistent droplet• All-in-one cap and screen• Wide angle with 15 degree incline
toward the rear• Aim forward or rearword –
alternate?
GuardianAirSee Page 16, Hypro Spray Tip Guide
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New Nozzles
Turbo TwinJet – TTJ60
AI XR TeeJetGuardianAir - Hypro
Turbo TwinJet Induction
AITTJ60
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Demo
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Nozzles-Recommended Use