MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan...
Transcript of MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan...
![Page 1: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/1.jpg)
MICRONAIR AERIAL SPRAY EQUIPMENT FOR
ENVIRONMENTAL HEALTH
MICRONAIR AERIAL SPRAY MICRONAIR AERIAL SPRAY EQUIPMENT FOREQUIPMENT FOR
ENVIRONMENTAL HEALTHENVIRONMENTAL HEALTH
![Page 2: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/2.jpg)
CONTROLLED DROPLET
APPLICATIONUSING
ROTARY ATOMISERS
CONTROLLED CONTROLLED DROPLET DROPLET
APPLICATIONAPPLICATIONUSINGUSING
ROTARY ATOMISERSROTARY ATOMISERS
![Page 3: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/3.jpg)
Controlled Droplet Application (CDA)
• Rotary atomisers produce the narrow, controlled spectrum of spray droplet sizes necessary for the effective application of insecticides and larvicides used in environmental health (EH) spraying
• The droplet size is adjusted by varying the rotational speed of the atomiser
![Page 4: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/4.jpg)
Production of Spray Droplets
Flat fan pressure nozzle Rotary atomiser
![Page 5: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/5.jpg)
Comparison of Spray DropletsFrom standard nozzle From Micronair Atomiser
![Page 6: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/6.jpg)
Droplet Size & Number
• The volume of a spray droplet is proportional to the cube of its diameter
• Halving the diameter produces 8x the number of droplets from the same amount of spray liquid
• Large droplets will settle quickly
![Page 7: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/7.jpg)
EQUIPMENTEQUIPMENTEQUIPMENT
![Page 8: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/8.jpg)
Typical Spray System
![Page 9: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/9.jpg)
Micronair Atomisers forEH Spraying
AU4000• Designed specifically for continuous use at high
speeds to produce small dropletsAU5000• Widely used on agricultural aircraft & helicopters• Can be used when a dedicated EH spray aircraft is
not availableAU6539• Electrically driven atomiser for use on helicopters
![Page 10: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/10.jpg)
AU4000 Atomiser
• Wind driven• Narrow droplet
spectrum• Variable pitch blades
to control rotational speed & droplet size
• Designed for continuous operation at high speed
• Electric brake to stop atomiser when not in use
![Page 11: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/11.jpg)
Micronair AU4000 Atomiser
![Page 12: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/12.jpg)
AU4000 AtomisersMosquito Control in Turkey
![Page 13: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/13.jpg)
AU5000 Atomiser
• Wind driven• Narrow droplet
spectrum• Variable pitch blades
to control rotational speed & droplet size
• Mounted on standard booms
• Can be used on helicopters
![Page 14: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/14.jpg)
Micronair AU5000 Atomiser
![Page 15: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/15.jpg)
AU5000 AtomisersFly Control in Australia
![Page 16: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/16.jpg)
AU5000 AtomisersMosquito Control in Gulf Region
![Page 17: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/17.jpg)
AU6539 Electric Atomiser
• Driven by DC electric motor
• Speed and droplet size adjustable by controller in cockpit
• Narrow droplet spectrum independent of airspeed
• Mounted on standard spray booms
![Page 18: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/18.jpg)
Spray Pod System• Used on high-wing
utility aircraft (egBN-2 Islander)
• Completely self-contained
• Capacity of each pod 50 USG (190 l)
• Fitted with AU4000 atomiser
• Control panel in cockpit
![Page 19: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/19.jpg)
Micronair Spray Pod
![Page 20: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/20.jpg)
Spray Pod on BN-2 Islander
![Page 21: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/21.jpg)
Spray Pod Control Panel
![Page 22: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/22.jpg)
ACCESSORIESACCESSORIESACCESSORIES
![Page 23: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/23.jpg)
Diaphragm Check Valve
• Prevents leakage of spray liquid when atomiser is not operating
• Opens when control valve is opened and pressure in boom increases
• Installed on atomiser
![Page 24: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/24.jpg)
Variable Restrictor Unit (VRU)
• One VRU used with each atomiser
• Regulates flow rate to atomiser
• Installed on spray boom
• Adjusted on ground
![Page 25: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/25.jpg)
Variable Restrictor Plates
• Fixed restrictor plate drilled with 7 different size holes
• Rotating selector plate exposes one hole in restrictor plate
• Selector plate rotated by knob on VRU
![Page 26: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/26.jpg)
Application Monitor
• Measures flow rate of spray liquid from aircraft with turbine in pipe to booms
• Displays flow and application data
• Measures atomiser rotational speed
• Installed in cockpit
![Page 27: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/27.jpg)
Application Monitor Functions
• Flow rate from aircraft (Litres/Minute)• Volume sprayed (Litres)• Application Rate (Litres/Hectare)• Area sprayed (Hectares)• Spray time (Minutes : Seconds) • Work rate (Hectares/Minute)• Atomiser RPM
![Page 28: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/28.jpg)
Atomiser RPM Indicator
• Measures speed of each atomiser (max 10 units)
• Allows all atomisers to be adjusted to rotate at same speed
• Magnetic transducer installed on each atomiser
![Page 29: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/29.jpg)
Application Printer
• Prints data from application monitor
• Provides permanent record of each spray job
• Installed in cockpit of aircraft
![Page 30: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/30.jpg)
CALIBRATIONCALIBRATIONCALIBRATION
![Page 31: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/31.jpg)
Adjustment of Droplet Size
• Droplet size is determined by rotational speed (RPM) of atomiser
• Increasing RPM reduces droplet size
• RPM is controlled by atomiser fan blade angle
![Page 32: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/32.jpg)
Adjustment of Atomiser RPM
• Atomiser fan blades must be adjusted on ground before flight
• Reducing blade angle increases atomiser RPM and produces smaller droplets
• Atomisers must not exceed 10,000 RPM continuous speed
![Page 33: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/33.jpg)
Variation in Atomiser RPM
• Some atomisers can rotate faster than others because of:
– Effect of propeller– Effect of fuselage
• RPM indicator can assist adjustment of all atomisers to rotate at correct speed
![Page 34: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/34.jpg)
Coverage of Aircraft
The coverage of an aircraft whilst spraying depends upon:• Track Spacing• Ground Speed
![Page 35: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/35.jpg)
Output from Aircraft
• Output from aircraft depends upon:– Coverage of aircraft
(Ha/Min)– Required application
Rate (L/Ha)• Output is set by
adjusting VRUs and boom pressure
![Page 36: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/36.jpg)
Adjustment of VRUs
• VRUs must be adjusted to give correct output from each atomiser
• VRUs have setting numbers 1, 3, 5 … 13
• Higher numbers give higher outputs
• All VRUs should be set to the same number
![Page 37: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/37.jpg)
MICRONAIRMICRONAIRAERIAL SPRAY AERIAL SPRAY
EQUIPMENTEQUIPMENTFORFOR
ENVIRONMENTAL ENVIRONMENTAL HEALTHHEALTH
![Page 38: MICRONAIR AERIAL SPRAY EQUIPMENT FOR … · angle. Adjustment of Atomiser RPM • Atomiser fan blades must be adjusted on ground before flight ... • Some atomisers can rotate faster](https://reader036.fdocuments.net/reader036/viewer/2022071215/6046695ca8bbf37b360bc693/html5/thumbnails/38.jpg)