CN102491448A - Ultraviolet disinfection method and device against enteroviruses in drinking water - Google Patents
Ultraviolet disinfection method and device against enteroviruses in drinking water Download PDFInfo
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- CN102491448A CN102491448A CN201110408445XA CN201110408445A CN102491448A CN 102491448 A CN102491448 A CN 102491448A CN 201110408445X A CN201110408445X A CN 201110408445XA CN 201110408445 A CN201110408445 A CN 201110408445A CN 102491448 A CN102491448 A CN 102491448A
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- tap water
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- enterovirus
- light
- ultraviolet
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Abstract
The invention relates to an ultraviolet disinfection method and device against enteroviruses in drinking water, ultraviolet light is adopted for irradiating the drinking water, and the ultraviolet dose of the ultraviolet light is 20mJ/cm<2> to 30mJ/cm<2>. The ultraviolet disinfection method and device disclosed by the invention can be used for performing effective disinfection on the enteroviruses in the drinking water without the waste of the ultraviolet light.
Description
Technical field
The present invention relates to a kind of ultraviolet sterilization method and device, relate in particular to a kind of ultraviolet sterilization method and device to enterovirus in the tap water to tap water.
Background technology
Tap water receives the pollution of pathogenic micro-organism, enterovirus especially, and the healthy of people in serious threat.Sterilization methods such as the chlorine of using always in the tap water at present, dioxide peroxide, ozone can't guarantee effectively to remove pathogenic micro-organisms such as enterovirus, and have the potential safety hazard of secondary pollution.Disinfection by ultraviolet light is the main a kind of physical disinfection method that uses in the engineering; Have the germ-killing efficiency height, do not produce the poisonous and harmful by product, simple to operate, advantage such as running cost is low; Be a kind of disinfection way of green, become the research focus of water treatment field in recent years.Enterovirns type 71 is a kind of newtype enteroviru, can cause the bleb at positions such as hand, foot, oral cavity, and individual patient can cause complication such as myocarditis, wet lung, AME, BBE, and severe patient is disabled, caused death.Ultraviolet ray is as a kind of sterilization method effectively; The ultraviolet ray of employing is also arranged to the tap water method of disinfecting in the prior art; But only just adopt UV-light to shine; Realistic problem is, or the irradiation of the uv dosage of UV-light is not enough, or the excessive UV-light that causes of the uv dosage of UV-light irradiation is wasted.The realistic problem of prior art is; When making will be adopted UV-irradiation disinfectant device to tap water; Can not confirm the power of ultraviolet light generator spare and the technical problem of irradiation time well, can only blindly take bigger dosage usually, this will inevitably cause suitable waste.
Summary of the invention
The technical problem that the present invention solves is: make up a kind of ultraviolet sterilization method and device to enterovirus in the drinking water; Overcome prior art and do not adopt effectively dissipation enterovirus of quantitative exposure dose, the technical problem of not wasting ultraviolet light again to drinking water; Especially the technical problem that lacks the uv dosage of the ultraviolet light that needs to enterovirus in the drinking water.
Technical scheme of the present invention is: a kind of ultraviolet sterilization method to enterovirus in the tap water is provided, adopts the UV-irradiation tap water, the uv dosage of said UV-light is 20mJ/cm
2To 30mJ/cm
2, wherein, mJ/cm
2It is burnt every square centimeter of milli.
Further technical scheme of the present invention is: said UV-light is a collimated beam.
Further technical scheme of the present invention is: adopt the UV-irradiation tap water to be contained in the static tap water in the container for adopting UV-irradiation.
Further technical scheme of the present invention is: adopt the UV-irradiation tap water for adopting the dynamic tap water of UV-irradiation mobile.
Further technical scheme of the present invention is: the uv dosage of said UV-light is confirmed through regulating ultraviolet ray intensity and UV-irradiation time.
Technical scheme of the present invention is: make up a kind of apparatus for ultraviolet disinfection to enterovirus in the tap water; Comprise the UV-irradiation unit that produces UV-light and irradiation, the container that holds tap water; Said UV-irradiation unit will send UV-light the tap water in the said container will be shone, and the uv dosage of said UV-irradiation is 20mJ/cm
2To 30mJ/cm
2
Further technical scheme of the present invention is: before adopting the UV-irradiation tap water, and the said UV-irradiation of preheating unit.
Further technical scheme of the present invention is: the unit preheating of said UV-irradiation is more than 30 minutes.
Further technical scheme of the present invention is: said UV-irradiation unit is a UV-light collimated beam appearance.
Further technical scheme of the present invention is: the tap water in the said container is static tap water or dynamic tap water.
Technique effect of the present invention is: the present invention a kind of ultraviolet sterilization method and device to enterovirus in the tap water, adopt the UV-irradiation tap water, and the uv dosage of said UV-light is 20mJ/cm
2To 30mJ/cm
2The enterovirus that the present invention is directed in the drinking water can effectively carry out dissipation, does not waste ultraviolet light again.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is apparatus of the present invention overall structure synoptic diagram.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is further specified.
Embodiment of the present invention is: a kind of ultraviolet sterilization method to enterovirus in the tap water is provided, adopts the UV-irradiation tap water, the uv dosage of said UV-light is 20mJ/cm
2To 30mJ/cm
2
Practical implementation process of the present invention is: among the present invention; When mikrobe received ultraviolet radiation in the tap water, nucleic acid (DNA or RNA) absorbed ultraviolet energy, and photochemical reaction takes place; The main pyrimidine dimer that forms; But also have other nucleic acid photoproducts and nucleic acid pathology to produce, this damage suppresses it duplicates, transcribes and proteinic synthesizing, thereby the breeding that hinders mikrobe causes death.Specifically to the enterovirus in the tap water time, the employing uv dosage is 20mJ/cm
2To 30mJ/cm
2UV-light tap water is shone, virus titer drops to below the detectability, has killed the enterovirus in the tap water thereby disappear effectively.
Preferred implementation of the present invention is: when adopting the UV-irradiation tap water, said UV-light is a collimated beam.Adopt the UV-irradiation tap water to be contained in the static tap water in the container, adopt the UV-irradiation tap water for adopting the dynamic tap water of UV-irradiation mobile for adopting UV-irradiation.The uv dosage of said UV-light is confirmed through regulating ultraviolet ray intensity and UV-irradiation time.
As shown in Figure 1; Embodiment of the present invention is: make up a kind of apparatus for ultraviolet disinfection to enterovirus in the tap water; Comprise the UV-irradiation unit 1 that produces UV-light and irradiation, the container 2 that holds tap water; Said UV-irradiation unit 1 will send UV-light the tap water in the said container 2 will be shone, and the uv dosage of said UV-irradiation is 20mJ/cm
2To 30mJ/cm
2
As shown in Figure 2; Practical implementation process of the present invention is: among the present invention; Adopt the tap water before raw water box holds sterilization; Adopt topping-up pump that raw water box is held the preceding tap water of sterilization and deliver in the container 2 of sterilization usefulness through under meter, the uv dosage that said UV-irradiation unit 1 produces UV-light is 20mJ/cm
2To 30mJ/cm
2Enterovirus in the tap water in the container 2 shone to disappear kill.Among the present invention, the uv dosage that said UV-irradiation unit 1 produces UV-light is 20mJ/cm
2To 30mJ/cm
2, the employing uv dosage is 20mJ/cm
2To 30mJ/cm
2UV-light tap water is shone; When mikrobe received the ultraviolet light radiation in the tap water, nucleic acid (DNA or RNA) absorbed ultraviolet energy, and photochemical reaction takes place; The main pyrimidine dimer that forms; But also have other nucleic acid photoproducts and nucleic acid pathology to produce, this damage suppresses it duplicates, transcribes and proteinic synthesizing, thereby the breeding that hinders mikrobe causes death.Specifically to the enterovirus in the tap water time, the employing uv dosage is 20mJ/cm
2To 30mJ/cm
2UV-light tap water is shone, virus titer drops to below the detectability, has killed the enterovirus in the tap water thereby disappear effectively.
As shown in Figure 1, preferred implementation of the present invention is: before adopting the UV-irradiation tap water, and the said UV-irradiation of preheating unit 1, the unit preheating of said UV-irradiation is more than 30 minutes.In the specific embodiment, said UV-irradiation unit 1 is a UV-light collimated beam appearance, produces the parallel ultraviolet line.Tap water in the said container is static tap water or dynamic tap water.
In the concrete use of the present invention, after irradiatometer detects uv intensity,, utilize the switch of control ultraviolet collimated beam appearance to regulate the time shutter then, make uv dosage reach 20mJ/cm through the correction factor correction
2To 30mJ/cm
2Scope.When detecting, utilize the phosphate buffered saline buffer virus dilution, get viral suspension and add in the petridish; Then petridish is placed on the magnetic stirring apparatus and stirs, the UV-irradiation viral suspension that utilizes the quasi-parallel light beam appearance of ultraviolet lamp tube to launch is aimed at the collimated beam center; Because uv dosage=uv intensity * irradiation time, so can make uv dosage reach preset value respectively through regulating the time shutter; Get 3 parallel appearance then at each dosage place, uitraviolet intensity is measured with irradiatometer.Ultraviolet collimated beam appearance needed preheating 30 minutes before using at least.The inactivating efficacy of ultraviolet is confirmed through detecting the method for virus titer in the sampling back.
Technique effect of the present invention is: the present invention a kind of ultraviolet sterilization method and device to enterovirus in the tap water, adopt the UV-irradiation tap water, and the uv dosage of said UV-light is 20mJ/cm
2To 30mJ/cm
2The enterovirus that the present invention is directed in the drinking water can effectively carry out dissipation, does not waste ultraviolet light again.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (10)
1. the ultraviolet sterilization method to enterovirus in the tap water is characterized in that, adopts the UV-irradiation tap water, and the uv dosage of said UV-light is 20mJ/cm
2To 30mJ/cm
2, wherein, mJ/cm
2It is burnt every square centimeter of milli.
2. according to the said ultraviolet sterilization method of claim 1, it is characterized in that said UV-light is a collimated beam to enterovirus in the tap water.
3. according to the said ultraviolet sterilization method of claim 1, it is characterized in that, adopt the UV-irradiation tap water to be contained in the static tap water in the container for adopting UV-irradiation to enterovirus in the tap water.
4. according to the said ultraviolet sterilization method of claim 1, it is characterized in that, adopt the UV-irradiation tap water for adopting the dynamic tap water of UV-irradiation mobile to enterovirus in the tap water.
5. according to the said ultraviolet sterilization method of claim 1, it is characterized in that the uv dosage of said UV-light is confirmed through regulating ultraviolet ray intensity and UV-irradiation time to enterovirus in the tap water.
6. apparatus for ultraviolet disinfection to enterovirus in the tap water; It is characterized in that; Comprise the UV-irradiation unit that produces UV-light and irradiation, the container that holds tap water; Said UV-irradiation unit will send UV-light the tap water in the said container will be shone, and the uv dosage of said UV-irradiation is 20mJ/cm
2To 30mJ/cm
2
7. according to the said apparatus for ultraviolet disinfection of claim 6, it is characterized in that to enterovirus in the tap water, before adopting the UV-irradiation tap water, the said UV-irradiation of preheating unit.
8. according to the said apparatus for ultraviolet disinfection of claim 7, it is characterized in that the unit preheating of said UV-irradiation is more than 30 minutes to enterovirus in the tap water.
9. according to the said apparatus for ultraviolet disinfection of claim 6, it is characterized in that said UV-irradiation unit is a UV-light collimated beam appearance to enterovirus in the tap water.
10. according to the said apparatus for ultraviolet disinfection of claim 6, it is characterized in that the tap water in the said container is static tap water or dynamic tap water to enterovirus in the tap water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408445XA CN102491448A (en) | 2011-12-09 | 2011-12-09 | Ultraviolet disinfection method and device against enteroviruses in drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408445XA CN102491448A (en) | 2011-12-09 | 2011-12-09 | Ultraviolet disinfection method and device against enteroviruses in drinking water |
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|---|---|
| CN102491448A true CN102491448A (en) | 2012-06-13 |
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| CN201110408445XA Pending CN102491448A (en) | 2011-12-09 | 2011-12-09 | Ultraviolet disinfection method and device against enteroviruses in drinking water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161915A (en) * | 2019-05-24 | 2019-08-23 | 首都医科大学附属北京胸科医院 | Sterilize monitoring device, system and method |
| CN110763331A (en) * | 2019-11-01 | 2020-02-07 | 江西理工大学 | Quasi-parallel light beam instrument |
| CN116500226A (en) * | 2023-06-26 | 2023-07-28 | 北京安力斯环境科技股份有限公司 | Vacuum parallel beam instrument for ultraviolet dose |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5780860A (en) * | 1995-09-08 | 1998-07-14 | The Regents Of The University Of California | UV water disinfector |
| CN1494436A (en) * | 2000-11-28 | 2004-05-05 | Զ���� | Drinking water UV disinfection system and method |
| CN1552633A (en) * | 2003-05-26 | 2004-12-08 | 深圳市海川实业股份有限公司 | Running water ultraviolet technology pretreatment method |
-
2011
- 2011-12-09 CN CN201110408445XA patent/CN102491448A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5780860A (en) * | 1995-09-08 | 1998-07-14 | The Regents Of The University Of California | UV water disinfector |
| CN1494436A (en) * | 2000-11-28 | 2004-05-05 | Զ���� | Drinking water UV disinfection system and method |
| CN1552633A (en) * | 2003-05-26 | 2004-12-08 | 深圳市海川实业股份有限公司 | Running water ultraviolet technology pretreatment method |
Non-Patent Citations (1)
| Title |
|---|
| 李丽艳等: "一种节能型饮用水紫外线消毒器结构的研究", 《西南给排水》, vol. 30, no. 4, 31 December 2008 (2008-12-31), pages 36 - 38 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161915A (en) * | 2019-05-24 | 2019-08-23 | 首都医科大学附属北京胸科医院 | Sterilize monitoring device, system and method |
| CN110161915B (en) * | 2019-05-24 | 2021-03-09 | 首都医科大学附属北京胸科医院 | Sterilization monitoring device, system and method |
| CN110763331A (en) * | 2019-11-01 | 2020-02-07 | 江西理工大学 | Quasi-parallel light beam instrument |
| CN116500226A (en) * | 2023-06-26 | 2023-07-28 | 北京安力斯环境科技股份有限公司 | Vacuum parallel beam instrument for ultraviolet dose |
| CN116500226B (en) * | 2023-06-26 | 2023-09-19 | 北京安力斯环境科技股份有限公司 | Vacuum parallel beam instrument for ultraviolet dose |
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Application publication date: 20120613 |