Ultrasonic wave and ultraviolet ray integral sterilizing device

A disinfection device and ultrasonic technology, applied in chemical instruments and methods, multi-stage water/sewage treatment, light water/sewage treatment, etc., can solve the problems of easy scaling of ultraviolet lamp tubes and the impact of disinfection effect, and improve water quality conditions , Realize the effect of automatic cleaning and delaying scaling

Active Publication Date: 2012-06-27
UNIV OF SCI & TECH BEIJING
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Problems solved by technology

However, ultraviolet disinfection has high requirements on water quality, and suspended particles in water will have a greater impact on the disinfection effect; and ultraviolet lamps are prone to scaling

Method used

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  • Ultrasonic wave and ultraviolet ray integral sterilizing device
  • Ultrasonic wave and ultraviolet ray integral sterilizing device

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Embodiment Construction

[0010] The effluent treated by the secondary treatment process of the municipal sewage plant is first pumped into the reaction water tank 12 by the water receiving pump 1, the load flow is controlled by the flow meter 2, and the sewage enters through the height-adjustable stainless steel reflector and deflector 10. Low-frequency ultrasonic action reaction area, in the reaction area, the probe-type low-frequency ultrasonic transducer 4 acts on the sewage for a certain period of time, changes the particle size distribution of the particles in the sewage, and improves the penetration rate of ultraviolet light in the sewage; then the sewage is diverted The plate 8 overflows into the ultraviolet lamp action area, and the ultraviolet lamp tube 6 irradiates and sterilizes the sewage. The ultraviolet lamp tube and the transducer are connected to the power supply by the first wire 7 and the ultrasonic generator by the second wire 9 respectively; The high-frequency ultrasonic transducer ...

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Abstract

The invention relates to an ultrasonic wave and ultraviolet ray integral sterilizing device, belonging to the technical field of liquid sterilization in environmental engineering. The device is especially suitable for sterilizing sewage effluent of a municipal sewage plant, and is characterized by comprising a water pump (1), a flow meter (2), a valve (3), a low frequency ultrasonic transducer (4), a high frequency ultrasonic transducer (5), an ultraviolet lamp tube (6), a first lead (7), an ultraviolet lamp tube rack and guide plate (8), a second lead (9), a stainless steel light reflecting plate and guide plate (10), a water outlet (11), a water tank (12) and an ultrasonic generator (13). The integral sterilizing device has the advantages of combining the advantages of ultrasonic wave sterilization and ultraviolet ray sterilization, using short-time ultrasonic pretreatment function to improve the water quality condition, promoting the subsequent sterilizing effect of ultraviolet ray, and having sterilizing function of ultrasonic wave. Due to the action of the ultrasonic wave, scale formation of the ultraviolet lamp tube can be delayed, the light transmittance of ultraviolet light can be improved, and self-cleaning function of the ultraviolet lamp tube can be realized.

Description

technical field [0001] The invention belongs to the technical field of liquid disinfection in environmental engineering, and is particularly suitable for disinfection of effluent from urban sewage plants. Background technique [0002] Due to its high efficiency, no disinfection by-products, and no secondary pollution to water, the ultraviolet disinfection process has developed rapidly in recent years and has been used more and more. It is a good alternative process for liquid chlorine disinfection in the future. Its mechanism is to use the wavelength of 254nm and its vicinity to damage the DNA of microorganisms, prevent protein synthesis and prevent bacteria or viruses from multiplying. However, ultraviolet disinfection has high requirements on water quality, and suspended particles in water will have a greater impact on the disinfection effect; and ultraviolet lamps are prone to fouling. Ultrasonic disinfection technology is a new disinfection process that has been continu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/08C02F1/32C02F1/36
Inventor 李子富靳昕
Owner UNIV OF SCI & TECH BEIJING
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