Model No.: YLC-700
The need for disinfection
Cooling towers are used to dissipate heat produced by industrial processes such as power generation, oil refining and chemical processing. They generally work in two ways, either through the evaporation of water to remove heat and cool the process fluid, or relying solely on air to cool the fluid. Towers utilizing water evaporation are an ideal breeding ground for microorganisms - many of them pathogenic - which thrive in the warm, wet conditions, forming 'biofilms'. Various species of Legionella bacteria, the cause of Legionnaires' disease in humans, are commonly associated with cooling towers and must be controlled by law. In addition to the health risks for surrounding populations, biofilms also cause many mechanical problems with the cooling process, such as a reduction in heat transfer, microbial corrosion, interference with the effectiveness of corrosion inhibitors, and disruption of water flow.
There are several ways of controlling microbial infection, including biocides such as chlorine, chlorine dioxide, hypobromite and ozone. In addition, a non-chemical method that is gaining increasing acceptance is ultraviolet (UV) disinfection.
Whatever treatment method is used faces many demands and needs to meet the following criteria:
it should be effective against all microorganisms
it should work fast
it should have a residual effect
it should be cost effective
it should be easy to use
it should have minimal environmental impact
It is often recommended that two treatment methods are used simultaneously to control biofilms and Legionella. UV, in combination with another biocide, meets all of the above criteria, with much reduced reliance on the secondary biocide.
|Processing capacity (Ton/Hour)||power (W)|| inlet and outlet |
|working pressure (Kg/cm 2 )||malfunction alert for UV lamp||reactor dimension (cm) L×W×H||dimension of panel(cm)||anchor bolt (cm)||overall weight (Kg)|
|YLC-150||6||80||DN32/1 1/4 "||6||matched||100×10.8×30||60×4×Φ1||50|
|YLC-200||8||120||DN40/1 1/2 "||6||matched||100×15.9×40||60×7×Φ1||60|
|YLC-360||15||200||DN65/2 1/2"||6||matched||100×15.9×40||50×78×25 |
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