Ultraviolet disinfection sterilization lamp
is the use of appropriate wavelength ultraviolet rays can damage microbial DNA in the body's cells (
Or RNA (
Molecular structure, forms the growing cell death and (
Regenerative cell death, reach the effect of disinfection.
Sterilization effect is determined by microbiological acceptable upon dose, and also by uv output energy, and the type of lamps, light intensity and the use of time, as the light aging, it will lose 30%
The strength of 50%.
Ultraviolet light dose is reached must be inactivated bacteria rate, need specific wavelength uv: shine dose (
= shining moment (
X (UVC strength
Upon the dose, the greater the disinfecting power is higher, the equipment scale, general shining moment there are only a few seconds, therefore, tubes of UVC output intensity is measured ultraviolet onclick = 'g (
The most important parameters'> disinfection equipment performance.
In urban wastewater disinfection, general evenly over dose in more than 300 J/m2.
Below this value, the likely recovery phenomenon, namely bacteria cannot be completely kill, comes out of the way when accepting visible light shines, rise from the ground up, reduces the sterilization effect.
Sterilizing the higher power requirements, the greater the dose required.
Microbial effect was meet ultraviolet light shines doses are the main factors of light transmittance (
, when the UVC output intensity and shining moment must, light transmittance of change would be a microbiological dose of actual change.
Ultraviolet germicidal lamp is a kind of using the ultraviolet light emitted uv lamp, killed inside the room air or water disinfection small devices of some bacteria and other microorganisms.
Sterilization disinfector it works by ultraviolet rays can kill bacteria in the short time, the closer uv lamp is to be disinfected objects, bacteria killing more faster.
Within the scope of the ultraviolet radiation, can guarantee the bacteria mortality was one hundred percent, there is no bacteria to escape.
And some other sterilizer such as ozone disinfector, kill bacteria need ten minutes to 20 minutes, if the set time is too short, there will be a live bacteria.
Ultraviolet ray sterilizing lamp it is characterized by simple operation, long service life and sterilization ability, low purchase cost, frequency of recycling.
Ultraviolet lamp starts when a larger influence on the life of the bulb.
For low pressure tube, start need 3 ~ 6 min per time, stability time, usually 3 h per start lit a lamp consumption calculation effective use of time, the stability of the high pressure tubes every time is about 5 ~ 10 min, often by a startup consumes about 5 ~ 10 h effective use of time is calculated.
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