The sterilization principle of microwave electrodeless ultraviolet sterilization equipment is to use the sterilization ability of ultraviolet light. Can ultraviolet light directly kill microorganisms? Microwave wood drying equipment programme According to different biological effects, ultraviolet light is generally divided into four parts according to wavelength: A-band (UV-A), Customized Microwave wood drying equipment Also known as black spot effect ultraviolet (400 ～ 320 nm); B band (UV-B), also known as erythema effect ultraviolet (320 ～ 275 nm); C-band (UV-C), also known as sterilization ultraviolet (275 ～ 200 nm); D-band (UV-D), also known as vacuum ultraviolet ray (200-100 nm). C-band ultraviolet light is mainly used for water disinfection.
Microwave and ultraviolet water treatment equipment is a special form of material operation, which is a particle flow without connection. Each UV photon with a wavelength of 253.7 nm has an energy of 4.9 eV. When ultraviolet rays irradiate microorganisms, energy transfer and accumulation will occur, and the accumulation results in the inactivation of microorganisms, thus achieving the purpose of disinfection. When bacteria and viruses absorb more than 3600~65000uW/cm2, it has a strong destructive power to the DNA and RNA of bacteria and viruses, and can make bacteria and viruses lose their viability and fecundity, thereby eliminating bacteria and viruses, achieving disinfection and sterilization effect. On the one hand, ultraviolet light can mutate nucleic acids, hinder their replication, transcriptional blockade and protein synthesis; on the other hand, the generation of free radicals can cause photoionization, thus leading to cell death. Microwave wood drying equipment programme The sterilization principle of the microwave ultraviolet water treatment equipment is to use the irradiation intensity of the ultraviolet lamp, that is, the irradiation intensity emitted by the ultraviolet sterilization lamp, which is inversely proportional to the distance of the irradiated disinfectant. Customized Microwave wood drying equipment When the irradiation intensity is constant, the longer the irradiated disinfectant stays, the closer it is to the germicidal lamp, the better its germicidal effect, and vice versa. With strong destructive power, it can make bacteria and viruses lose their viability and reproduction, and then eliminate bacteria and viruses to achieve disinfection and sterilization effect.
To solve the problem of light reactivation: open the channel to realize underground water outflow, to avoid or reduce the visibility of treated water before entering the pipeline. At the same time, use a dark container containing a sample of test water, Customized Microwave wood drying equipment It shall be sent for inspection in time to avoid factors such as storage conditions or test time affecting the test results. Improve the light transmittance: adjust the front-end treatment process to reduce the SS mass concentration of water in the UV disinfection device, Microwave wood drying equipment programme The ultraviolet disinfection I was adjusted to ozone decolorization, which reduced the chromaticity of the influent water to ensure that SS was controlled below 10 mg/L; The front-end technology has been adjusted to strictly control the consumption of PAM and other chemicals, and a defoaming device has been installed at the water inlet of the external disinfection device to reduce the foam content in the water body and increase the light transmittance of the water body.
Ultraviolet sterilization equipment is an extremely effective method against microbial pollution in water. However, Customized Microwave wood drying equipment In order to effectively disinfect water, microorganisms must be exposed to an appropriate amount of ultraviolet carbon light. Ultraviolet disinfection systems are used in many different applications, Microwave wood drying equipment programme From the purification of personal household drinking water to the disinfection of industrial wastewater treatment of the whole urban water supply. UV water treatment is considered to be a safer and more economical method for disinfection of industrial water.
Stainless steel wire woven filter screen is often used, 30-40 hole/cm filter screen is used for crude oil filtration, and 140-180 hole/cm filter screen is used for decolorization oil filtration. Customized Microwave wood drying equipment The selection of filter medium will affect the clarification of filtered oil and fat, and whether the cake unloading is smooth. The filter media used in the grease industry are mostly woven media, Microwave wood drying equipment programme Common cotton fabrics such as canvas, twill and ordinary white muslin with 20 yarns and 5-8 strands.
When choosing microwave electrodeless ultraviolet sterilization equipment, there are different wave bands to choose from, Customized Microwave wood drying equipment It is recommended to select disinfector with deep ultraviolet wave band. Because the deep ultraviolet wave band has a wider sterilization range and stronger sterilization ability. Microwave wood drying equipment programme In addition, when using the disinfector in the deep ultraviolet wave band, we must pay attention to the radiation dose and time. If the irradiation dose is not enough or the time is too short, there is no way to achieve the expected sterilization effect.
