CN204369635U - A kind of ultraviolet catalyzed ozone oxidation sterilizing reactor - Google Patents

A kind of ultraviolet catalyzed ozone oxidation sterilizing reactor Download PDF

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Publication number
CN204369635U
CN204369635U CN201420838567.1U CN201420838567U CN204369635U CN 204369635 U CN204369635 U CN 204369635U CN 201420838567 U CN201420838567 U CN 201420838567U CN 204369635 U CN204369635 U CN 204369635U
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reactor
guide shell
water
casing
ozonation aerated
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CN201420838567.1U
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陈嘉祺
姜安平
张春艳
张忻
解建坤
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Beijing Sound Environmental Engineering Co Ltd
Beijing Epure International Water Co Ltd
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Beijing Sound Environmental Engineering Co Ltd
Beijing Epure International Water Co Ltd
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Abstract

The utility model discloses a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor, belong to field, water treatment top, comprising: reactor casing, its underpart is provided with water inlet pipe, and top is provided with rising pipe, and top is provided with top pressure closure, and top pressure closure is provided with offgas duct; Reactor casing inner bottom part is provided with water distributing pipe, is connected with water inlet pipe; Reactor casing inner bottom part is provided with ozonation aerated device, and be connected with the ozone inlet pipe of reactor casing outside, ozonation aerated device is in above water distributing pipe; Be provided with guide shell in reactor casing, ultraviolet lamp tube module is located in guide shell.This reactor is by reasonable Arrangement ultraviolet lamp tube and guide shell, improvement reactor fluidised form, enhance the photocatalytic effect of ozone, optimize reactor oxidation, disinfection efficiency, water supply advanced treatment, the trace Micropollutants such as PPCPs and EDCs of can effectively degrading, effectively can control the strong microbe population of the chlorine resistance such as giardia lamblia and Cryptosporidium again, greatly reduce water factory's chlorine-throwed quantity, eliminate the impact of chlorination by product.

Description

A kind of ultraviolet catalyzed ozone oxidation sterilizing reactor
Technical field
The utility model relates to Water purification field, especially relates to a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor of town water supply advanced treatment.
Background technology
China has promulgated new " drinking water sanitary standard " (GB5749-2006) in July, 2007, and new standard is had higher requirement in the index of Drinking Water toxicity and organic compound.Meanwhile, along with the development of science and technology in recent years and the raising day by day of human health consciousness, the accumulation of the emerging contaminant trace species such as PPCPs, EDCs in water surrounding and impact are more and more subject to worldwide investigator and pay close attention to.Wherein, difficult degradation contaminant trace species demonstrates certain biological accumulation, constitutes huge threat to the tap water health of the mankind.
In traditional sterilization process, research proves that the by products such as THMs and HAAs that chlorination produces have very important impact to HUMAN HEALTH; The inactivation ratio of the strong microorganism of the chlorine resistance such as giardia lamblia, Cryptosporidium is also lowly the huge technical problem that traditional disinfection faces.
In existing advanced water treatment technique, ozone and active carbon technique to part difficult degradation contaminant trace species removal ability not as desirable.Meanwhile, the water outlet biological safety instability of this technique is a unavoidable problem.
Constantly worsen under the situation increasingly strict with water quality standard in water quality, research and development are efficient, economical, easy pollutant removal and control techniques to be to ensure the water quality safety in city water cycle process, improving the wholesomeness of urban water supply, is the difficult challenge of Water purification field face.
Utility model content
Based on the problem existing for above-mentioned prior art, the utility model provides a kind of energy.The utility model is by being applied in town water supply advanced treatment by ultraviolet catalyzed ozone high grade oxidation, not only make use of the oxygenizement of ozone and the photolysis of UV-light, but also make use of the OH that ozone decomposes generation under the irradiation of UV-light and carry out oxidation of organic compounds, effectively remove underwater trace pollutent.Simultaneously, due to ultraviolet irradiation, the biologic activity of the nucleic acid (comprising RNA and DNA) in organism changes, produce fatal injury, thus the microbe population that the microorganism in water comprises the strong chlorine resistance such as giardia lamblia and Cryptosporidium is subject to fabulous control, fundamentally solves the problem of biological safety in conventional depth treatment process, chlorination by product.In structure of reactor design, the utility model is by optimizing the hydraulics in reactor, and improvement ultraviolet lamp tube module mounting arrangement, improves treatment efficiency to greatest extent.Solve pre-existing reactors ozone utilization rate not high, the problem that processing cost is high.
For solving the problems of the technologies described above, the utility model provides a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor, comprising:
Reactor casing, its underpart is provided with water inlet pipe, and top is provided with rising pipe, and top is provided with top pressure closure, and top pressure closure is provided with offgas duct;
Described reactor casing inner bottom part is provided with water distributing pipe, is connected with described water inlet pipe;
Described reactor casing inner bottom part is provided with ozonation aerated device, and be connected with the ozone inlet pipe of described reactor casing outside, described ozonation aerated device is in above described water distributing pipe;
Be provided with guide shell in described reactor casing, ultraviolet lamp tube module is located in described guide shell.
In above-mentioned reactor, described reactor casing is vertical tower body, and total height is 5.8 ~ 6.8m, available depth 5.0 ~ 6.0m;
Described guide shell is located at the mid-way of vertical direction in described reactor casing, is communicated with subregion, upper and lower part in described reactor casing and makes to form self-circulation circulation in ozonation aerated process.
In above-mentioned reactor, the long tubular construction of described guide shell upper and lower end opening, water conservancy diversion tube length is 2.5 ~ 3.0 meters, and the barrel dliameter of guide shell is less than the internal diameter of described reactor casing, and guide shell lower end is 1.2 ~ 1.7 meters apart from the distance of ozonation aerated device.
In above-mentioned reactor, described water distributing pipe is provided with some distributing holes, and distributing hole aperture is 5mm.
In above-mentioned reactor, described ultraviolet lamp tube module is arranged in described guide shell in vertical mode, is in the lower region in described guide shell.This ultraviolet lamp tube module is in the lower region in reactor casing.
In above-mentioned reactor, described ozonation aerated device is arranged on described reactor bottom half middle section, and the planimetric position of described ozonation aerated device is overlapping with the projection of described guide shell.
In above-mentioned reactor, described ozonation aerated device adopts ozone micro-hole aerator.
In above-mentioned reactor, described reactor bottom arranges inspection manhole.
The beneficial effects of the utility model are: by arranging guide shell above the ozonation aerated device in reactor casing, and ultraviolet lamp tube module is located in guide shell, utilize the effect of guide shell, density difference circulation is formed in reactor casing when ozonation aerated device is ozonation aerated, make water in reactor casing, form air lift circulation, the section area in ultra violet lamp region is effectively reduced by this air lift cycling stream, irradiation inactive area between effective minimizing two ultraviolet lamp tube, improves ultraviolet catalytic and sterilisation effect.Meanwhile, air lift cycling stream makes pending water Multiple through then out UV-illuminated region, improves disinfection effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structure of reactor schematic diagram that the utility model embodiment provides;
Fig. 2 is the running status schematic diagram of the reactor that the utility model embodiment provides;
In Fig. 1, each label is: 1. water inlet pipe, 2. rising pipe, 3. water distributing pipe, 4. ozone micro-hole aerator, 5. ozone inlet pipe, 6. guide shell, 7. ultraviolet lamp tube module, 8. top pressure closure, 9. reactor casing, 10. offgas duct, 11. inspection manholes;
In Fig. 2, each label is: 9. reactor casing, A. air inlet water (flow) direction, the ozonation aerated bubble of B., C. air lift circular flow direction.
Embodiment
Be clearly and completely described the technical scheme in the utility model embodiment below, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection domain of the present utility model.
Below in conjunction with specific embodiment, reactor of the present utility model is described further.
The utility model is by applying with advanced water treatment by ultraviolet catalyzed ozone high grade oxidation, by arranging guide shell, the mounting means of improvement ultraviolet lamp tube module, optimize the hydraulics in reactor casing, greatly increase the clearance of contaminant trace species, overcome the shortcoming of conventional depth process, sterilization process, substantially increase the wholesomeness of water outlet.
A kind of ultraviolet catalytic ozone oxidation sterilizing reactor that Fig. 1 provides for the utility model, this reactor comprises: reactor casing 9, water inlet pipe 1, rising pipe 2, water distributing pipe 3, ozonation aerated device 4, ultraviolet lamp tube module 5, guide shell 6, top pressure closure 8, offgas duct 10;
Wherein, reactor casing 9 bottom arranges water inlet pipe 1, top sets out water pipe 2; Water inlet pipe 1 distributes with the water distributing pipe 3 being located at reactor casing 9 inner bottom part and enters reactor casing 9, water distributing pipe 3 designs some distributing holes according to flooding quantity, and distributing hole aperture is 5mm, adopts large resistance water distribution to design, ensure that aperture flow velocity is 4 ~ 6m/s, keep the homogeneity that water inlet distributes;
Ozonation aerated device 4 is installed on reactor casing 9 inner bottom part middle section, is connected with ozone inlet pipe 5, and the planimetric position of the ozonation aerated device of in the vertical direction 4 is overlapping with guide shell 7, ensure ozonation aerated bubble from guide shell 7 vertically through; Ozonation aerated device 4 can adopt ozone micro-hole aerator.
Guide shell 6 is positioned at reactive center, and overall length is 2.5 ~ 3.0 meters, is installed on the mid-way of vertical direction in reactor casing 9, be communicated with region, top and the bottom in reactor casing 9, in ozonation aerated process, air lift makes guide shell 6 inside and outside generation density difference effect, forms self-circulation circulation;
Ultraviolet lamp tube module 7 is installed in guide shell 6 in vertical mode, is positioned at above ozonation aerated device 4, is in the region, middle and lower part of vertical direction in reactor casing, and the distance apart from ozonation aerated device is 1.2 ~ 1.7m;
The operation of this reactor as shown in Figure 2, due to the position relationship of ozonation aerated device and guide shell, forms density difference circulation in reactor time ozonation aerated, makes water in reactor, form air lift circulation.Air lift cycling stream effectively reduces the section area in ultra violet lamp region, effectively reduces the irradiation inactive area between two ultraviolet lamp tubes, improves ultraviolet catalytic and sterilisation effect.Meanwhile, air lift cycling stream makes pending water Multiple through then out UV-illuminated region, improves disinfection effect.
Top pressure closure 8 is arranged at reactor casing 9 top, connects and composes containment housing with reactor casing 9 by flange bolt, and ozone tail gas is expelled to vent ozone destructor by the offgas duct 10 on top pressure closure 8 and collects destruction;
Inspection manhole 11 is set bottom reactor casing 9, facilitates ozonation aerated device, water distributing pipe to overhaul.
The form of reactor casing 9 is vertical tower body, and total height is 5.8 ~ 6.8m, available depth 5.0 ~ 6.0m.
Embodiment 1
With reference to Fig. 1, in the present embodiment, utilize ultraviolet catalytic ozone oxidation sterilizing reactor for treatment water treatment plant filter tank of the present utility model, the water outlet of water treatment plant filter tank enters the water distributing pipe of large resistance by water inlet pipe, uniformly distributing that the water distributing pipe of logical excessive resistance is bored a hole enters reactor casing, and ozone enters reactor casing by ozone inlet pipe, under the effect of ozone micro-hole aerator, being dispersed into micro-bubble dissolves in water, fully mixes with water inlet.Because arranging guide shell, time ozonation aerated, reactor forms the self-circulation state formed by gas stripping, promotes the mixing in reactor casing and Contact Effect.Under being dissolved into the ultraviolet lamp tube irradiation of the ultraviolet lamp tube module of ozone in guide shell in water, partially catalyzed produces OH.Due to the extremely strong oxidisability of OH, in water, the trace Micropollutants such as PCPPs and EDCs resolve into CO 2and H 2o.Under the effect of ultraviolet and ozone, the microbe population in water obtains fabulous control.As kept the residual chlorine amount of pipe network, water purification plant only need add the chlorine of few metering, greatly reduces follow-up throwing chlorine chemical feeding quantity, avoids the generation of chlorination by product from root, substantially increase microorganism and the chemistry safety of water outlet.
Be 8mg/L at ozone dosage, when uv irradiating intensity is 15mJ/cm2, the trace Micropollutants such as PCPPs and EDCs in water obtain high clearance.Meanwhile, when increasing this technology as advanced treatment, keeping under the prerequisite that the effective residual chlorine concentration of water outlet is equal, sterilization chlorine-throwed quantity is only before not increasing 10%.
Reaction hydraulic detention time is 3 ~ 5min, and the water outlet through peroxidation, disinfection flow to next operation stage certainly.
The ozone tail gas being arranged in reactor casing is collected by reactor head, drains into vent ozone destructor or row utilization again by offgas duct.
Adopt reactor of the present utility model, ultraviolet catalytic ozone high grade oxidation is applied to the water supply plant advanced treatment stage, greatly lower the possibility of the contaminant trace species such as PCPPs and EDCs at people's cylinder accumulation.Meanwhile, ozone and ultraviolet are combined and are carried out disinfection to water, solve the deactivation problem of chlorination by product and giardia lamblia and Cryptosporidium in traditional disinfection technique, substantially increase chemical combination and the biological safety of tap water.In reactor design, by optimizing the configuration of ultraviolet lamp tube, it is made effectively to be promoted the catalytic effect of ozone; The design optimization inside reactor fluidised form of guide shell, improves reaction efficiency.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.

Claims (8)

1. a ultraviolet catalyzed ozone oxidation sterilizing reactor, is characterized in that, comprising:
Reactor casing, its underpart is provided with water inlet pipe, and top is provided with rising pipe, and top is provided with top pressure closure, and top pressure closure is provided with offgas duct;
Described reactor casing inner bottom part is provided with water distributing pipe, is connected with described water inlet pipe;
Described reactor casing inner bottom part is provided with ozonation aerated device, and be connected with the ozone inlet pipe of described reactor casing outside, described ozonation aerated device is in above described water distributing pipe;
Be provided with guide shell in described reactor casing, ultraviolet lamp tube module is located in described guide shell.
2. a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor according to claim 1, is characterized in that,
Described reactor casing is vertical tower body, and total height is 5.8 ~ 6.8m, available depth 5.0 ~ 6.0m;
Described guide shell is located at the mid-way of vertical direction in described reactor casing, is communicated with subregion, upper and lower part in described reactor casing and makes to form self-circulation circulation in ozonation aerated process.
3. a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor according to claim 1 and 2, it is characterized in that, the long tubular construction of described guide shell upper and lower end opening, water conservancy diversion tube length is 2.5 ~ 3.0 meters, the barrel dliameter of guide shell is less than the internal diameter of described reactor casing, and guide shell lower end is 1.2 ~ 1.7 meters apart from the distance of ozonation aerated device.
4. a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor according to claim 1 and 2, it is characterized in that, described water distributing pipe is provided with some distributing holes, and distributing hole aperture is 5mm.
5. a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor according to claim 1 and 2, it is characterized in that, described ultraviolet lamp tube module is arranged in described guide shell in vertical mode, is in the lower region in described guide shell.
6. a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor according to claim 1 and 2, it is characterized in that, described ozonation aerated device is arranged on described reactor bottom half middle section, and the planimetric position of described ozonation aerated device is overlapping with the projection of described guide shell.
7. a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor according to claim 6, is characterized in that, described ozonation aerated device adopts ozone micro-hole aerator.
8. a kind of ultraviolet catalyzed ozone oxidation sterilizing reactor according to claim 1 and 2, it is characterized in that, described reactor bottom arranges inspection manhole.
CN201420838567.1U 2014-12-25 2014-12-25 A kind of ultraviolet catalyzed ozone oxidation sterilizing reactor Active CN204369635U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106698848A (en) * 2017-01-16 2017-05-24 北京伊普国际水务有限公司 Miniaturized sewage treatment system
CN111333170A (en) * 2020-03-20 2020-06-26 同济大学 Method for synchronously removing disinfection by-products and micropollutants in water

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106698848A (en) * 2017-01-16 2017-05-24 北京伊普国际水务有限公司 Miniaturized sewage treatment system
CN111333170A (en) * 2020-03-20 2020-06-26 同济大学 Method for synchronously removing disinfection by-products and micropollutants in water

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