Although nozzle applications are various in all kinds of industries, but generally, common industrial nozzle applications can be divided into the following four categories: First: Nozzle for cleaning, washing and rinsing: including descaling process and product during hot rolled pressure, the high-pressure and middle pressure cleaning of automotive and equipment. And it also includes the low-pressure flushing and rinsing. Second: Coating nozzle: Spray coating applications include spray rust inhibitor, a plastic coating, release agent, lubricant, protective film and a wetting and conservation etc. Third: Cooling nozzle: In such applications, a spray nozzle is used for cooling the solid object, such as continuous casting slab cooling, roll cooling, and processing apparatus of the fitting, the cooling of the tank, as well as circulating water cooling or the like. Fourth: Special applications, including dust control, air and flue gas spray, spray drying, granulation, spray humidification, etc., such nozzle is mostly fan spray nozzle.
Material of Industrial Nozzles
Nozzles used in the iron and steel industry are mostly spray gun nozzle, they are made of copper or stainless steel; in some industry, the spray nozzle made by special materials are applied to the industries such as flue gas desulfurization and sulfuric acid recovery. In general, the high hardness material has better wear resistance. The performance of the continuous casting nozzle and nozzle arrangement with cooling control and nozzle maintenance, caster secondary cooling system, which is one of the largest casting machine pull speed, the role of rate and slab level of variety and quality of the decisive factors. The secondary cooling system is likened to a force, then the cooling control is to do battle command system; the nozzle layout is the strategic plan, and the nozzle is just like soldiers. In an army team, command and deployment is very important, if soldiers are not good at tactics, then it is difficult to win the war.
Problem Prevention and Resolution of Spray Nozzle
In any application of nozzles, the first step and the most important step is to choose the right spray nozzle. Second, a very important step is to establish a set of nozzle maintenance program to detect nozzle performance, application parameters such requirements will be able to maintain well. Each application has its specific requirements, the performance parameters of the nozzle also has the required order. In some spray application, for example, the nozzle has only one purpose. This objective requires only the injector to inject a certain amount of the liquid to the tank; while in some applications, it must ensure that the flow rate of the nozzle is precisely maintained at a certain level. The application of factors to be considered: (First) flow - each nozzle; (Second) spray pressure - in a sprinkler pipe; (Third) spray shape - each nozzle; (Fourth) product quality - provided by the quality control department; (Fifth) the use of effects - dust control, spray drying, flue gas cooling, water cooling, and spray humidification.
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This article is come from:http://pannel.aluminum-machine.com/spray-nozzle/knowledge-on-industrial-spray-nozzle-rapid.htm
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