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What is the disinfection principle of ultraviolet lamp?

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<p>Ultraviolet ray is a kind of low energy electromagnetic wave, because have better antiseptic action, because this ultraviolet ray lamp and be applied extensively in medical treatment, sanitation and antisepsis, food industry, pharmaceutical industry wait for branch to regard as disinfection tool, but a lot of people do not know what is the disinfection principle of ultraviolet ray lamp.</p><p><br></p><p>The disinfection principle of <a href="" target="_blank">ultraviolet lamp</a></p><p><br></p><p>Using ultraviolet irradiation, the bacteria proteins undergo photolysis and denaturation, and the amino acids, nucleic acids and enzymes of the bacteria are destroyed and killed. At the same time the ultraviolet ray lamp through the air, make the oxygen in the air ionized ozone, strengthened the bactericidal effect.</p><p><br></p><p>Disinfection method of ultraviolet lamp</p><p><br></p><p>Ultraviolet lamp used for air and object surface disinfection, wavelength 2573A. Used for air disinfection, the effective distance is no more than Zm, the irradiation time is 30~60min, used for disinfection of articles, the effective distance is 25~60cm, the irradiation time is 20 ~ 30min, the timing starts from 5~ 7min when the lamp is on (the lamp needs to warm up for a certain time, to make the oxygen ionization in the air to produce ozone).</p><p><br></p><p>Disinfection of ultraviolet lamp</p><p><br></p><p>1. Because we use ultraviolet irradiation for air disinfection, we must first ensure the lamp tube intact and correct use, and at the same time to regularly monitor the lamp tube, the intensity of the ultraviolet lamp tube is lower than 70uwc/ liner should be replaced in time. The lamp tube should be kept clean. Lamp tube surface every 1~2 weeks with alcohol cotton ball light test, remove dust and oil, in order to reduce the influence of ultraviolet penetration factors.</p><p><br></p><p>2. Light tube should be gently put, turn off the light immediately after the light, will reduce the lamp tube life, should be cooled 3 1 4min to open, can be used continuously 4 hours, but ventilation heat better, in order to maintain the lamp tube life.</p><p><br></p><p>3. Keep the treatment room clean and dry at any time, and wipe the treatment room with a special cloth after soaking with disinfectant every day. Mop the floor with a special mop.</p><p><br></p><p>4. To standardize the daily monitoring and registration items of ultraviolet lamp, it is necessary to register them in separate rooms and separate lamps. The registration records shall include the opening date of the lamp tube, daily disinfection time, accumulated time, signature of the performer, and intensity monitoring registration.</p><p><br></p><p>5. For the newly used lamp tube, use the ultraviolet intensity indicator card or intensity monitor to measure the lamp tube's intensity first, so as to ensure that the new lamp tube's intensity is 100. W /c lining above. After the new lamp tube is replaced, the time of mildew meter starts to count again. After the accumulative time of the lamp tube reaches 1000h, timely contact the professional staff of hospital infection monitoring to monitor the irradiation intensity of the lamp tube. If the lamp tube is qualified, continue to use and replace the lamp tube in time to ensure the disinfection effect of the ultraviolet lamp.</p><p><br></p><p>6. Open all cupboard doors and drawers when air is disinfected. In order to ensure the full exposure of all Spaces in the treatment room, get the irradiation of ultraviolet ray, disinfection as far as possible no dead Angle.</p><p><br></p><p>7. Strengthen the management and supervision of some departments such as outpatient department and laboratory, and suggest the installation of a time switch for ultraviolet lamp in the outpatient department, which can prevent the waste of power and the effective life of the lamp tube caused by forgetting to turn off the light due to work negligence.</p><p><br></p><p>8.&nbsp;The staff should make work arrangements before the ultraviolet disinfection, so as to avoid walking around in the room during the disinfection process, which will not only affect the disinfection effect but also be exposed to unnecessary irradiation; Monitoring nurses in monitoring the intensity of the lamp tube, due to the number of light tube, stubble monitoring must wear protective goggles, wear protective clothing; In the sick room that installation has ultraviolet lamp tube, the switch of ultraviolet lamp should be separated with other common lamp tube or try to mark, when receiving a patient, want to explain with patient and family member cannot open ultraviolet lamp at will, lest cause undesirable consequence.</p>

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