In order to generate the necessary pressure for atomizing the water, a pump is required. Our pumping plant is frequency-controlled, so only the required amount of water is under operating pressure. If the spray nozzle is operated with too low water pressure, the necessary droplet size cannot be achieved. Therefore, the whole system needs to be used with high pressure, which enables the spray nozzles to disperse the water into small droplets.
This construction bears the following advantages compared to the classic process without frequency converter:
- The pump transports only the amount of water which is used up
- Variable conveying capacity (0-100%)
- A lot of energy-saving in the partial load operation
- Gentle pump priming prevents peaks of pressure
- Less pump wear-out
- High-efficient engine
- Operation without forced ventilation
The simple schematic diagram of the pump process looks like the following:
How does the spray nozzle mechanism work?
The water is added and runs through the filter to clean it from contaminants which can possibly clog the spray nozzles. After that, the water is pressurized by the high-pressure pump and forwarded into the isle of valves which consist of different numbers of valves. Through the valves, the water is then transferred into the separate circuits. The water is then atomized with the help of the mist spraying nozzles right above the dust emission points.
A more detailed picture of the complete process is presented here which also shows the different details of the pump and the control system as well as the valves with a pressure relief.