The use of Misting Systems as a means of outdoor cooling has started to become popular for domestic situations such as around the patio or pool and barbecue area. However, the practice of using Misting Systems has been a vital part of a number of industries for many years now. Not only can these systems be used to effectively provide much needed cooling but they are also available to perform other important roles, some of which are completely unexpected.
Firstly, when we discuss misters we should point out that we are talking about high-pressure misting that produces water droplets that are incredibly fine. They can be measured as small as 20 -30 microns in size. This is compared to a normal water droplet that would measure around 200 microns. The way a mister works is that water is passed through misting nozzles under high-pressure, this pressure generated by the combination of small pumps as well as the tiny size of the holes in the nozzles. When the water hits the air it goes through a process known as flash evaporation and this evaporative process provides the cooling effect.
Misters are commonly used in a number of commercial fields in a variety of applications. One of the more common uses is in greenhouses where misting systems are used to control the temperature as well as the humidity levels. Greenhouse misters can be set up on a timer system to operate at certain hours of the day or on a sensor system so that when the relative humidity reaches a certain level the misters would kick into action.
In the food industry it is important to maintain a constant temperature and when storing certain foods it is just as important that the humidity level is kept above a certain level. A misting system provides this function too. The important aspect of using these misters is the flash evaporative effect that provides the humidity level that is required but does not wet the surroundings. This is an important aspect in an industry where mold growth is the enemy.
On industrial sites where the generation of dust is a constant problem due to both health concerns and vision problems it is necessary to have an effective dust suppression system in place. Dust control sprays using misting nozzles located at strategic spots around the site generate a fine fog that attracts the dust particles and quickly settles them to the ground. The important factor for the system’s success is that the water droplets generated are close to the same size as the particles of dust that must be suppressed.
Agricultural cooling is another important job that is carried out by misting fans and lines. Heat stressed animals don’t put on as much weight as animals that are comfortable and cows that are kept cool produce more milk. An outdoor cooling system effectively lowers the temperature for the livestock on hot days and the result for the farmer is an increase in production which translates in an increase in income. Misting Systems
The important ingredients in the success of all of these misting systems are the misting nozzles that control the flow rate and droplet size of the water that passes through them. They must be taken care of because they are small pieces of equipment that can be prone to clogging.
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