CN102139935A - Ultraviolet-photochemical compound water purifying process and device capable of realizing synchronous cleaning - Google Patents
Ultraviolet-photochemical compound water purifying process and device capable of realizing synchronous cleaning Download PDFInfo
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- CN102139935A CN102139935A CN2010101028650A CN201010102865A CN102139935A CN 102139935 A CN102139935 A CN 102139935A CN 2010101028650 A CN2010101028650 A CN 2010101028650A CN 201010102865 A CN201010102865 A CN 201010102865A CN 102139935 A CN102139935 A CN 102139935A
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Abstract
The invention relates to an ultraviolet-photochemical water treatment process capable of realizing synchronous cleaning with economy, high efficiency and simple operation and a reaction device. The process comprises the following steps of: irradiating the air to generate ozone by utilizing an ultraviolet lamp with the dominant wavelength of 254nm and the secondary wavelength of 185nm (10-15%), forming an air water mixture by virtue of a jet device, enhancing free radicals of ozone by virtue of a high-strength magnetic field, introducing the mixture into a reactor, carrying out a photochemical free radical chain reaction by synergy of two ultraviolet beams with different wavelengths, introducing tail ozone into a water collecting tank by utilizing the air pressure by virtue of a top pipeline, and carrying out ozone oxidation and ultraviolet/ozone photooxidation multi-stage treatment to achieve the aims of inactivating pathogenic bacteria and removing micro pollutants, wherein the air water mixture enters from a tangent line at the bottom of the reactor to impact a spirally ascending air water flow produced by a rotary blade under the synergism of three-dimensional cross flow effect of a high position punched baffle plate and scour the surface of a sleeve, and biological and materialized adhesion and scaling are prevented. The method and the reaction device provided by the invention have good water purifying and synchronous cleaning effects.
Description
Technical field
The present invention relates to a kind of high-effective disinfecting and remove technology and the device of Micropollutants, utilize the uviolizing air of single-stage multi-wavelength to produce ozone, and utilize symphyogenetic multistage physics of magnetic field-intensification ozone free radicalization and ozone and multistage ultraviolet photochemistry and photochemical effect, reach high-effective disinfecting and remove the purpose of Micropollutants.Utilize tangent line stream to drive no electric power rotating paddle and produce spiral upper upstream, and the three-dimensional cross-flow effect of collaborative multilayer perforation traverse baffle, reach mixed water body and flush clean ultraviolet telescopic effect synchronously, the crystalline state that also can change calcium class material is handled in the high-intensity magnetic field magnetization, reduce the fouling risk, belong to technical field of drinking water treatment.
Background technology
Current, utilize the device of ultra-violet sterilization that single-stage ultraviolet ray and secondary UV ozone combined action (one-level 180-200nm ultraviolet is produced ozone and the associating of secondary 232-238nm UV/ozone) are arranged, the latter is than the former effect that improves on treatment effect, but the too high water outlet peculiar smell that causes of ozone concn possibility is big, and not having tail gas to utilize function again, the second-stage treatment energy consumption also can be bigger than normal; Existing ultraviolet automatic cleaning mode generally cleans, adds chemical agent based on machinery and cleans and two kinds of bonded purging methods, and complex structure is made and the installation inconvenience, and the energy consumption cost height, also can introduce chemical substance, need interrupt water treatment during cleaning.Therefore, need a kind ofly can make full use of ultraviolet, ozone, can strengthen the technology of ozone free radicalization again, have synchronously the reaction unit that cleans, do not need machinery and chemical agent to clean automatically simultaneously concurrently.
Summary of the invention
The invention provides a kind of economical and efficient, easy tap water cleaning synchronously and UV-light compound water-purifying process of chemistry and the device of operation, this process synthesis single-stage multistage wavelength ultraviolet is produced the multilevel action of ozone, magnetic field-intensification ozone free radicalization, ozone and multistage ultraviolet ray associating photochemical reaction and the self-circulation of tail ozone, improve sterilisation effect, suppress the simultaneous oxidation degraded Micropollutants of pathogenic bacteria photoreactivation; The comprehensive online integrated intensive treatment that stream, helical flow, three-dimensional cross-flow and magnetic field crystalloblastesis realize cleaning and reducing synchronously the fouling risk of cutting.
The structure of reactor of the present invention comprises first step header tank ozone oxidation device (7) and second stage ultraviolet-ozone photochemical oxidation device (18) shown in attached Fig. 1 and 2.Aeration sand plate (8) and air-water mixture circulation duct (19) are housed in the first step reaction unit, the front is connected with under meter (6), and be furnished with lift pump (9), valve (10), ejector (12), device for magnetizing and treating (13) and lower water inlet between the reaction unit of the second stage, be connected by pipeline, the circulation of control one-level and the second-stage treatment water yield are regulated in valve (10) and (11); Perforation traverse baffle (15) and quartz socket tube (2) are overlapped in screw-blade (14), top more bottom being equipped with in the second stage reaction unit (18), and a predominant wavelength 254nm, inferior wavelength 185nm low pressure ultraviolet lamp tube (3), air intake duct and moisture eliminator (1), main ozone airway (4) are housed in the quartz socket tube; Final outflow water mouth and water outlet regulated valve (16) are housed on the top of second stage reaction unit, and sewage draining exit and regulated valve (17) are equipped with in the bottom.
Reactor assembly operating process of the present invention is as follows:
Know-why of the present invention is:
The UV/ozone photochemical reaction can produce very strong hydroxyl radical free radical OH of oxidation capacity and oxyradical O; The singlet state of radical pair can prevent heavily combination between the free radical singlet state to the conversion of triplet state, the externally-applied magnetic field effect can be accelerated this conversion, thereby accelerated ozone self and reacted the speed that produces hydroxyl radical free radical OH, strengthened the free-radical oxidn reaction with UV; The variation of sleeve surface spiral fluidised form can reduce microorganism, adhering to and the fouling risk of calcium magnesium mineral matter, the air-water mixture that is entered reactor by ejector enters along bottom tangent, impact screw-blade by tangent line and drive the rising of mixture spiral, the high-order district of reactor may become advection along with the horizontal kinetic energy of fluidised form weakens, set up the multilayer perforation traverse baffle of inside and outside hole bit interleave and (see attached Fig. 1 and 2, traverse baffle A type, Type B is placed at interval, the hole dislocation of adjacent layers), can flow producing along sleeve surface to the reactor surface direction and on perpendicular to the direction of this direction, flow in conjunction with rising, the three-dimensional cross-flow that produces can be strengthened the helical flow that the weakens souring to sleeve surface, and can make inside and outside water layer quicken to mix, strengthen the sterilization effect of ultraviolet ray unit of water body.
Advantage of the present invention is as follows:
1 adopts single-stage multi-wavelength UV-light, realizes simultaneously producing ozone and purifying waste water; The ozone that produces utilizes ejector and treating water to be mixed into reactor, does not utilize ozone to enter preposition header tank by the self-circulation of reactor overbottom pressure, realizes the purpose of single-stage product ozone, twin-stage ozonize;
2 utilize the upfield to strengthen free radicalization and UV/ozone free radicalization in the ozone water, strengthen free-radical generating, multistage free radical strengthen disinfection effect and oxidation removal Micropollutants;
3 utilize the kinetic energy driven rotary blade of influent gas water mixture, the formation spiral water flow, and the three-dimensional cross-flow of collaborative high-order district's multilayer perforation traverse baffle, the cleaning purpose that realization is washed away synchronously, no chemical pollutant is residual;
4 magnetic field-intensification free radicalizations and photochemical catalytic oxidation have improved sterilisation effect, and can prevent effectively that the photoreactivation of pathogenic bacteria from taking place;
5 system's simple structures, floor space is little, can realize continuously and automatic operating convenient operating maintenance.
Brief Description Of Drawings
Fig. 1 is technology of the present invention and reaction unit operation synoptic diagram
Fig. 2 is the high-order district's perforation of a reaction unit of the present invention traverse baffle synoptic diagram
(wherein, 1 is the quartz sleeve tube wall, and 2 is the stainless steel barrel, and 3 are perforation)
Embodiment
In the following treatment system, ultraviolet lamp tube power is 41W, output rating 14W, and output wavelength is mainly 254nm, and 185nm wavelength ultraviolet ray output rate is 10-15%.
Often contain organism such as soil ulmin in the surface water, can absorb uv energy and reduce the uv sterilisation effect.Utilize the tap water preparation to contain the pending water of intestinal bacteria and humic acids, wherein intestinal bacteria add up to 1.2 * 10
6CFU/L, humic acids are 2mg/L.Air flow quantity is 90L/h, the ozone generation amount is 0.66mg/L (gas mixture), treatment effect to intestinal bacteria and humic acids when the processing water yield is 540L/h and 900L/min sees Table 1, as seen handles the water yield and increases nearly one times, and pathogen reduction rate and humic acids clearance change less.
Table 1 embodiment 1 treatment effect
The difference of air input causes the difference of ozone productive rate, and the difference of photoxidation efficient causes the difference of germ-killing efficiency, and the pathogenic bacterium starting point concentration also has certain influence to its inactivation ratio.Utilize the tap water preparation to contain the pending water of intestinal bacteria and humic acids, wherein intestinal bacteria add up to 1.5 * 10
6CFU/L, humic acids are 2mg/L.Air flow quantity is 120L/h, and the ozone generation amount is 0.82mg/L (gas mixture), and handling the water yield is 540L/h and 900L/min, and the treatment effect of intestinal bacteria and humic acids is seen Table 2.The result shows, increases air input and has improved the humic acids clearance; The initial sum of pathogenic bacterium increases, but inactivation ratio is influenced hardly.
Table 2 embodiment 2 treatment effects
Because have particulate matter in the surface water, the turbidity of water usually can influence ultraviolet penetration coefficient and sterilisation effect.Utilize the tap water configuration to contain colibacillary pending water, wherein intestinal bacteria add up to 9.3 * 10
5CFU/L, the turbidity with kaolin adjusting water is respectively 3NTU and 5NTU.Air flow quantity is 120L/h, and the ozone generation amount is 0.82mg/L (gas mixture), and the processing water yield is 540L/h, and colibacillary inactivating efficacy is seen Table 3.The result shows that common surface water turbidity influences germ-killing efficiency hardly in this reactive system.
Table 3 embodiment 3 treatment effects
Owing to be subjected to the point source and the pollution of area source of agricultural chemicals, have pesticide residue in the surface water sometimes, HUMAN HEALTH is threatened.Utilize the tap water preparation to contain the pending water of atrazine and Rogor.Air flow quantity is 120L/h, and the ozone generation amount is 0.82mg/L (gas mixture), and the processing water yield is 300L/h, and the removal effect of atrazine and Rogor is seen Table 4.The result shows that the little pollution of agricultural chemicals can efficiently be removed in this reactive system.
Table 4 example 4 treatment effects
Claims (7)
1. the invention relates to a kind of economical and efficient, the easy ultraviolet that can clean synchronously-photochemistry water purification treatment technology and the reaction unit of operation.This technology comprises that the uv light irradiation air that utilizes predominant wavelength 254nm, inferior wavelength 185nm (10-15%) produces ozone, form air-water mixture through ejector, enter reactor by high-strength magnetic field-intensification ozone free radicalization, the ultraviolet ray generation photochemistry free chain reaction of collaborative two sections wavelength, tail ozone utilizes air pressure to enter header tank by top duct, and ozone oxidation and UV/ozone photoxidation multiple-stage treatment reach the deactivation pathogenic bacterium and remove the purpose of Micropollutants; Simultaneously air-water mixture enters through the reactor bottom tangent line, impacts the three-dimensional cross-flow effect of the collaborative high punch traverse baffle of spiral rising air water stream that rotating paddle produces, and washes away sleeve surface, has prevented biological and fouling is adhered in materialization.This inventive method and device have good water purification and synchronous cleaning performance.
2. in accordance with the method for claim 1, wherein, device for magnetizing and treating is the upfield treater, and its magneticstrength is higher than 5000GS, is used to change the crystalline texture of calcium salt and strengthens the ozone free radicalization.
3. in accordance with the method for claim 1, wherein, ultraviolet lamp is that predominant wavelength is the high ozone low pressure ultraviolet lamp of 254nm, inferior wavelength 185nm (10-15%).
4. the ultraviolet that can clean synchronously-photochemistry purifier, it is characterized in that, it comprises first step header tank ozone oxidation device (7) and second stage ultraviolet-ozone photochemical oxidation device (18), and aeration sand plate (8) and air-water mixture circulation duct (19) are housed in the first step reaction unit; Be connected with under meter (6) before the first step reaction assembling device, and be furnished with lift pump (9), valve (10), ejector (12), device for magnetizing and treating (13) and lower water inlet between the reaction unit of the second stage, be connected by pipeline, the circulation of control one-level and the second-stage treatment water yield are regulated in valve (10) and (11); Perforation traverse baffle (15) and quartz socket tube (2) are overlapped in screw-blade (14), top more bottom being equipped with in the second stage reaction unit (18), and a predominant wavelength 254nm, inferior wavelength 185nm low pressure ultraviolet lamp tube (3), air intake duct and moisture eliminator (1), main ozone airway (4) are housed in the quartz socket tube; Final outflow water mouth and water outlet regulated valve (16) are housed on the top of second stage reaction unit, and sewage draining exit and regulated valve (17) are equipped with in the bottom.
5. reactor according to claim 4 is characterized in that, the bottom screw-blade (14) in the reactor of the second stage is that the tangent line impact rotation stirring current spiral of no electric power rotation, the water inlet of utilization bottom and air-flow rises.
6. reactor according to claim 4, it is characterized in that the multilayer perforation traverse baffle (15) that reactor top, the second stage is set up is respectively ring perforation and sleeve pipe outer shroud perforation far away in the nearly sleeve pipe, and the Kong Yukong dislocation is arranged, realize three-dimensional cross-flow, reach inside and outside mixing and wash away the telescopic purpose.
7. reactor according to claim 4 is characterized in that: the head space part at second stage reaction unit also is equipped with tail ozone airway (5), is used to guide unreacted ozone to enter and participates in the self-circulation reaction in the first order reaction device.
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| CN102923813A (en) * | 2012-10-31 | 2013-02-13 | 章燕 | Method for sewage disposal and devices for sewage disposal |
| CN103991922A (en) * | 2014-05-23 | 2014-08-20 | 中国农业大学 | Plant factory nutrient solution ultraviolet disinfection device |
| CN104478065A (en) * | 2014-12-15 | 2015-04-01 | 浙江中凯瑞普环境工程股份有限公司 | Catalytic ozonation reactor for expanded bed and sewage treatment method of catalytic ozonation reactor |
| CN104478066A (en) * | 2014-12-15 | 2015-04-01 | 浙江中凯瑞普环境工程股份有限公司 | Catalytic ozonation reactor for treatment of external circulating wastewater and wastewater treatment method |
| CN105565469A (en) * | 2015-12-17 | 2016-05-11 | 浙江科技学院 | Flow-control-theory-based composite catalytic oxidation device |
| CN105621586A (en) * | 2016-01-01 | 2016-06-01 | 深圳市利源水务设计咨询有限公司 | Raw water treatment process and system based on ultraviolet light technology |
| CN108793384A (en) * | 2018-07-19 | 2018-11-13 | 苏州方舟环保科技有限公司 | A kind of turbine negative pressure oxidation treatment device |
| CN109432857A (en) * | 2019-01-04 | 2019-03-08 | 河北上善若水环境治理有限公司 | A kind of portable water purification device |
| CN110803757A (en) * | 2019-10-31 | 2020-02-18 | 新地环保技术有限公司 | Integrated ozone catalytic oxidation tower |
| CN111453811A (en) * | 2020-06-01 | 2020-07-28 | 深圳市爱玛特科技有限公司 | Constant-current enhanced vortex type ultraviolet sterilizer |
| CN112093952A (en) * | 2020-09-25 | 2020-12-18 | 江苏省人民医院（南京医科大学第一附属医院） | Terminal rinsing water disinfection device for endoscope cleaning and disinfection |
| CN112221445A (en) * | 2020-11-09 | 2021-01-15 | 上海洁维生物工程有限公司 | Ultraviolet reaction device, using method of ultraviolet reaction device and ultraviolet reaction system |
| CN112979045A (en) * | 2021-03-08 | 2021-06-18 | 南昌航空大学 | Electrolysis/ultraviolet device for treating chemical nickel plating wastewater |
| CN113582304A (en) * | 2021-08-25 | 2021-11-02 | 蒋惠祥 | Water activating device, water activating system and water activating method |
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| CN1215988C (en) * | 2002-07-17 | 2005-08-24 | 伟将有限公司 | Eddy speeding ultraviolet ray sterilizing and algae-killing liquid treater |
| KR20040085674A (en) * | 2003-04-01 | 2004-10-08 | 서영전자산업 주식회사 | Apparatus for ultraviolet water purifying and cleaning mehtod thereof |
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2010
- 2010-01-28 CN CN201010102865.0A patent/CN102139935B/en not_active Expired - Fee Related
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| CN102923813A (en) * | 2012-10-31 | 2013-02-13 | 章燕 | Method for sewage disposal and devices for sewage disposal |
| CN103991922A (en) * | 2014-05-23 | 2014-08-20 | 中国农业大学 | Plant factory nutrient solution ultraviolet disinfection device |
| CN103991922B (en) * | 2014-05-23 | 2015-10-21 | 中国农业大学 | A kind of plant factor nutritive medium apparatus for ultraviolet disinfection |
| CN104478065A (en) * | 2014-12-15 | 2015-04-01 | 浙江中凯瑞普环境工程股份有限公司 | Catalytic ozonation reactor for expanded bed and sewage treatment method of catalytic ozonation reactor |
| CN104478066A (en) * | 2014-12-15 | 2015-04-01 | 浙江中凯瑞普环境工程股份有限公司 | Catalytic ozonation reactor for treatment of external circulating wastewater and wastewater treatment method |
| CN105565469B (en) * | 2015-12-17 | 2018-01-12 | 浙江科技学院 | A kind of compound catalytic oxidizing equipment based on flow control principle |
| CN105565469A (en) * | 2015-12-17 | 2016-05-11 | 浙江科技学院 | Flow-control-theory-based composite catalytic oxidation device |
| CN105621586B (en) * | 2016-01-01 | 2018-07-06 | 深圳市利源水务设计咨询有限公司 | A kind of original sub-block technique and system based on ultraviolet Technology |
| CN105621586A (en) * | 2016-01-01 | 2016-06-01 | 深圳市利源水务设计咨询有限公司 | Raw water treatment process and system based on ultraviolet light technology |
| CN108793384A (en) * | 2018-07-19 | 2018-11-13 | 苏州方舟环保科技有限公司 | A kind of turbine negative pressure oxidation treatment device |
| CN109432857A (en) * | 2019-01-04 | 2019-03-08 | 河北上善若水环境治理有限公司 | A kind of portable water purification device |
| CN109432857B (en) * | 2019-01-04 | 2024-06-07 | 河北上善若水智慧水务有限公司 | Portable water purification device |
| CN110803757A (en) * | 2019-10-31 | 2020-02-18 | 新地环保技术有限公司 | Integrated ozone catalytic oxidation tower |
| CN110803757B (en) * | 2019-10-31 | 2024-10-29 | 北京永新环保有限公司 | Integrated ozone catalytic oxidation tower |
| CN111453811A (en) * | 2020-06-01 | 2020-07-28 | 深圳市爱玛特科技有限公司 | Constant-current enhanced vortex type ultraviolet sterilizer |
| CN112093952A (en) * | 2020-09-25 | 2020-12-18 | 江苏省人民医院（南京医科大学第一附属医院） | Terminal rinsing water disinfection device for endoscope cleaning and disinfection |
| CN112221445A (en) * | 2020-11-09 | 2021-01-15 | 上海洁维生物工程有限公司 | Ultraviolet reaction device, using method of ultraviolet reaction device and ultraviolet reaction system |
| CN112979045A (en) * | 2021-03-08 | 2021-06-18 | 南昌航空大学 | Electrolysis/ultraviolet device for treating chemical nickel plating wastewater |
| CN113582304A (en) * | 2021-08-25 | 2021-11-02 | 蒋惠祥 | Water activating device, water activating system and water activating method |
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