Micro-FAST The revolutionary anti-icing spray technology!
Fixed Automated Spray Technology increases road safety, the costs for the interventions are reduced and thanks to the reduction in salting, it contributes to environmental protection.
Using the Micro-FAST technology developed by Boschung and patented worldwide, de-icing agent is applied to various types of road surface in a fine, invisible and dense stream.
The spraying period and the volume of de-icing agent is individually configured and automatically controlled by the ice early warning system, so that preventative spraying avoid building of ice.
Micro-FAST technology is reliable and requires minimal maintenance. With a maximum installed depth of 40 mm, the system can be easily installed and operated at any location, even on bridges.
During spraying, the stream of de-icing agent is atomized and, as a result, it is invisible to road users. The moving traffic immediately distributes the de-icing agent over the entire road surface. Using one spray strip, the entire width of two lanes can be sprayed in one operation.
The spraying period can be adjusted from 30 seconds to 3 minutes, whereby 30 seconds is equivalent to approx. 2 g/m² of salt.
A protective layer of anti-icing liquid is applied in a very short time (All done in about 50 seconds)
after 5 seconds
after 10 seconds
after 30 seconds
after 50 seconds
The patented Micro-FAST high-pressure fine spraying system consists of a 100 meter long strip with built-in nozzle bodies which, as a general rule, are installed at 5-metre intervals. By applying the necessary pressure, the de-icing agent is evenly distributed onto the road surface in the form of an invisible spray mist.
Check valves are incorporated into the nozzle bodies in order to prevent the ingestion of dirt. As a result, the system is virtually maintenance-free.
In the event of an ice hazard, the spraying process can be activated in combination with an ice early warning system. The spraying period can be adjusted as required (from 30 seconds to 3 minutes), thus ensuring that the optimum amount of de-icing agent is applied. With various spraying programs, a number of spray nozzles or multiple spraying operations, the system can be perfectly adapted to suit the existing conditions.
In addition to the pump, the pump station incorporates a control unit and a storage tank for the de-icing agent.
The Micro-FAST control unit can be fitted with ease in any street and in any building.
Two lane road
Two lane road with two-way traffic
Two lane motorway: ecological and economical layout. The hard shoulders are not sprayed directly
Airport take-off and landing runways with a lot of traffic
Three lane motorway
Airport take-off and landing runways with light traffic
Types of Ice
Types of ice and preventing their formation using FAST, at the right time and ecologically.
The drawbacks without FAST
The benefits with FAST
- = De-icing agent
Ice forms when it is raining and the surface of the road is colder than 0°C or rain that has been cooled below this temperature.
If precipitation which will lead to ice is detected, then anti-icing fluid is sprayed immediately.
Black ice forms when damp areas (melted water, etc.) freeze as the temperature drops.
Shortly before the temperature reaches freezing, damp areas are treated preventively with minimum quantities of de-icer.
moist warm air or mist
Hoarfrost forms if the road freezes over with very fine frost particles (above all in the long clear winter nights).
As soon as hoarfrost conditions are measured, the road surface is sprayed.
Fallen snow is compacted by traffic and forms an icy surface.
When snow starts to fall, a small quantity of anti-icing fluid sprayed on the road surface, which prevents the ice bonding with the surface and thus optimises clearing of the road surface with snowploughs and brushes.
The Pump station consists of a storage tank for the de-icing agent, a pump and an electronic control unit. The unit is flexibly mounted and can be adapted to suit any local conditions.
The vertical stainless steel rotary pump pressurizes any liquid anti-icing with a maximum operating pressure of 16 bar.
The pressure monitor constantly checks the pressure in the spray circuit. When the system is inactive, it is checked hourly or against programmable cycles.
The Micro-FAST control unit monitors and controls the entire system:
- Solenoid valve controller in the valve units
- Monitoring the hydraulic circuit (pump control, pressure and flow rate)
- Monitoring the electrical circuit (short or open circuits)
- automatic refilling of the tank
- Release of spray programs manually, by PC or by GFS alarms
The flow meter is used to compare a calculated value with the actual value of the amount of anti-icing used during a spray program. This allows any leaking or defective points in the circuit to be detected and immediate measures taken.
The anti-icing fluid tank is fitted with a float and an ultrasound sensor. The float switches the pump off if the level falls below the minimum. The ultrasound sensor displays the current level as a percentage on the PC in the control center. It also provides an alarm if the content of the tank is too low and gives an acoustic and visual alarm when the maximum level is reached during filling.
The size of the storage tank is determined on the basis of the number of spray nozzles and the rate of flow of the de-icing agent.