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What is a medium-pressure UV disinfectant, and how is it classified?

2022-06-13

What is a medium-pressure UV disinfectant, and how is it classified?

　　Today, ultraviolet (UV) sterilizers are widely used for disinfecting various water bodies due to their high sterilization efficiency, the fact that they require no addition of chemical agents, and their lack of secondary pollution. In the application of UV sterilizers, we often hear about low-pressure UV sterilizers. Medium-pressure UV sterilizer Other nouns. What is a medium-pressure UV disinfectant, and how is it classified?

　　Medium-pressure UV disinfectors primarily use medium-pressure UV lamps. But what exactly is a medium-pressure UV lamp? The wavelength of ultraviolet light depends on the vacuum pressure inside the tube. Low-pressure UV tubes, which are evacuated to a lower pressure (1–10 Pa), emit sterilizing ultraviolet light at a single wavelength of 254 nm. Medium-pressure UV tubes, which are evacuated to a medium pressure (10–50 Pa), emit a broad-spectrum ultraviolet light ranging from 254 to 265 nm.

　　Medium-pressure UV disinfectors have many advantages over low-pressure UV sterilizers:

　　1. The equipment is compact and occupies a small footprint.

　　2. The L-shaped structure significantly enhances the effective utilization of ultraviolet light.

　　3. Each lamp tube has relatively high power, produces strong ultraviolet intensity, and emits radiation over a broad wavelength range.

　　Structure of Medium-Pressure Ultraviolet Disinfectors:

　　1. UV Lamp Tubes: High-power imported lamp tubes, with power ranging from 1000W to 7200W. (One lamp tube is equivalent to 10 low-voltage lamps.)

　　2. Equipment barrel: Traditionally occupying a large amount of space in length, it has been redesigned to occupy less space, making it more suitable for renovation projects. Material: 304 stainless steel.

　　3. Ballast: Uses an imported ballast with lower output loss compared to traditional ballasts, ensuring perfect compatibility with the lamp tube and delivering more stable performance.

　　4. Automatic Cleaning System: Highly efficient cleaning. The current lamp tube lengths are reasonably designed. In the cleaning system, excessively long equipment is prone to breakage at the middle joint, which can lead to frequent malfunctions. Currently, mechanical and chemical additives are widely used to better ensure the cleanliness of the quartz sleeve, maintain the high yield rate of the quartz sleeve, and enhance the sterilization effect.

　　5. Temperature sensor: Provides a more intuitive understanding of the device’s operating temperature. Excessively high temperatures directly affect sterilization efficiency and ensure the device’s service life.

　　6. Intensity Detector: Used to detect the intensity of ultraviolet radiation, primarily in the UVA and UVC bands. You can view the detected intensity level and replacement timing on the display screen.

　　7. PLC/Touchscreen Control System: By leveraging data from various sensors and a backend platform that enables remote control or background data uploads, this system offers convenient operation and monitoring capabilities, making it entirely digital at present. The system is operated via PLC/touchscreen.

　　8. Electrical System: Uses Schneider components to ensure the safe operation and long service life of electronic parts.


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