Large-powder ultraviolet water purification device

Abstract

The invention relates to a large-powder ultraviolet water purification device, at least comprising a high-power ultraviolet disrharge tube. The high-power ultraviolet discharge tube comprises a glass tube through which ultraviolet rays can penetrate, multiple electrodes with the number being more than two are respectively arranged at the two ends of a sealed glass tube, outer leads and end terminals of the multiple electrodes are connected in parallel or in series outside the glass tube and then are connected with a lighting power supply; the two ends of the discharge tube are fixed on a sealassembly, the seal assembly is composed of a cylindrical seal element, a seal ring and a pipeline which is used for penetrating the discharge tube and is fixed on a rack of the water purification device.The invention has the advantages that outer diameter of the discharge tube can be expanded when an outer sleeve is saved, so that setting of the multiple electrode can be facilitated and service life of the UV discharge tube can be lengthened; in addition, loss of short-wave ultraviolet is reduced when the outer sleeve is saved and production cost and operation cost of the water purification device can also be reduced when outer sleeve is saved.

Description

【Technical field】 [0001] The invention relates to the field of water treatment, in particular to a high-power ultraviolet water purification device. 【Background technique】 [0002] With the advancement of industrialization, the situation of water pollution is becoming more and more serious, and the existence of a large number of organic pollutants that cannot be effectively treated by traditional methods threatens the living environment of people. In water treatment, people have been making unremitting efforts to kill bacteria in water with ultraviolet light sources or to detoxify harmful organic molecules that are difficult to degrade. In a large-scale water treatment device, the ultraviolet discharge tube needs to have a large power and a small number of tubes, high reliability of the equipment, small light loss, and a small footprint. Due to the discharge characteristics of low-pressure mercury discharge tubes and the particularity of the process, the high power of low-p...

AI Technical Summary

Problems solved by technology

Due to the discharge characteristics of the low-pressure mercury discharge tube and the particularity of the process, the high power of the low-pressure mercury discharge tube has not been able to meet the actual needs.

Moreover, since the UV discharge tube is usually protected by an external outer casing, a large amount of ultraviolet light is unnecessarily lost, and the temperature inside the outer casing is often very high, which makes the luminescence not reach the desired intensity.

The short-wavelength ultraviolet light below 200nm is easily absorbed by the gas. After the double loss of the gas in the outer casing and the outer casing, the short-wavelength reaching the water body is negligible. This loss can become a fatal shortcoming when short-wavelength wavelengths are required to decompose some organic molecules.

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