CN102976533A - Cyclone type photo-catalytic reaction apparatus - Google Patents
Cyclone type photo-catalytic reaction apparatus Download PDFInfo
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- CN102976533A CN102976533A CN2012104308258A CN201210430825A CN102976533A CN 102976533 A CN102976533 A CN 102976533A CN 2012104308258 A CN2012104308258 A CN 2012104308258A CN 201210430825 A CN201210430825 A CN 201210430825A CN 102976533 A CN102976533 A CN 102976533A
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Abstract
The invention relates to an indoor photo-catalytic water purifying reaction apparatus. The apparatus comprises a primary filtering device selecting a diatomite filter; a photo-catalytic reactor adopting a cyclone type photo-catalytic reactor, wherein the reactor adopts an aluminum alloy tube (or a stainless steel tube) integrating a housing and a photo-catalytic film, two ends of the tube are provided with plastic end caps for sealing, one side of each of the plastic end caps is provided with an ultraviolet lamp, the other side of each of the plastic end caps is provided with a built-in stirring motor, food-grade O-shaped sealing rings or sealing gaskets are arranged in the plastic end caps to realize the sealing with the aluminum alloy tube (or the stainless steel tube), and treatment water enters and goes out from the two sides of the plastic end caps; and a terminal activated carbon filter (or a sand filter) which is a photo-catalytic reaction synergism device, wherein double-bond possessed organic matters polymerize after the organic matters are oxidized through photo-catalysis, and the organic matters which are oxidized through the photo-catalysis are adsorbed by the terminal activated carbon filter (or the sand filter). The apparatus is suitable for the purifying treatment of drinking water, and is also suitable for the organic matter degradation and the sterilization treatment of slightly-polluted industrial wastewater, domestic wastewater and natural water.
Description
Technical field
The present invention relates to a kind of novel photocatalysis water treatment structure, be applicable to drinking water treatment and low-pollution water matter and process, is a kind of water treatment structure of efficient, energy-saving and environmental protection.Belong to the environmental protection equipment technical field.
Background technology
Drinking water safety relates to country, common people's interests, is the key subjects of resolving Economic development and common people's health, receives much concern in recent years.
The principle of photochemical catalysis purifying water process is to adopt the composite semiconductor photocatalysis film, visible light in the absorbing ultraviolet lamp and uv-radiation, produce light induced electron and photohole electron pair, form hydroxyl radical free radical, toxic organic compound in the water is carried out nothing poison processing, thereby the generation water purifying effect need not to add any reagent in water, is a kind of Green Water processing mode therefore.
When the photochemical catalytic oxidation polymerism refers to that organism with two keys is by photochemical catalytic oxidation, two keys can be opened, key point is disposed the new group change makes organic molecule be in polarization state, and therefore the particulate absorption in as easy as rolling off a log and the water can remove by the mode of flocculation, charcoal absorption.
Eddy flow is the most incident a kind of phenomenon of occurring in nature, only needs very little power in round container, just can make solution form eddy flow, makes the mass transfer rapid stirring.Therefore eddy flow is the most energy-conservation whipped form.
Reported that at present photo catalysis reactor generally adopts the built-in optical catalyticreactor, there are the shortcomings such as economy, structural difference, in addition, the current mass-transfer efficiency is not high in the reactor, affects photocatalysis effect, the polymerism of not utilizing simultaneously photochemical catalytic oxidation to occur, adopt conventional activated carbon filtration (or sand-bed filter) to participate in concerted reaction, reduce the photocatalysis treatment time, improve and process flow, these all cause the photochemical catalysis water treatment technology to be difficult to actual use.
CN1268559C household photocatalysed drinking water cleaning apparatus, it comprises flow speed controller, primary treatment device, photocatalysis treatment device and water receiver; The photocatalysis treatment device is the vertical tank type multiple structure, and it comprises that ultraviolet source and glass tube protector thereof, inwall scribble photocatalysis membrana Glass tubing, overcoat, and water advances from the bottom, the water outlet of lower cover side.
CN101143739A photocatalysis water treatment system, formed by water pump, water treatment device, control module, reversing valve, threeway and quartz burner, be provided with multi-layered photocatalyst foamed metal assembly in the water treatment device, this multi-layered photocatalyst foamed metal assembly forming curves in water treatment device forms the serpentine water stream channel.The advantage of invention is by forming effective current, improves photocatalysis effect, and shortcoming is that the speed of current is slower, and energy consumption is higher.
The method and apparatus of CN100348506C high efficiency photocatalysis water treatment, adopting interior wall loading that the pottery of TiO2 film or stoneware pipe are arranged is element, vertical installation film reaction pipe, adopt the plastics tubing chuck to fix, the steel flange sealing is adopted at film pipe two ends, and waste water is evenly entered the film pipe and exports outflow by the upper end through sparger by the bottom.Equipment disposes reflux, guarantees that the fluidised form in the reaction tubes is turbulent flow.Make by reflux to form turbulent flow in the reactor, turbulent flow can only remain on reactor bottom, and upwards transmission capacity is not enough, and photocatalysis effect improves limited.
The method and apparatus of above-mentioned a kind of household photocatalysed drinking water cleaning apparatus, a kind of photocatalysis water treatment system, high efficiency photocatalysis water treatment, structure of reactor is more complicated all, cost is high, " a kind of household photocatalysed drinking water cleaning apparatus " adopts the Static Water processing mode, and photocatalysis effect is not obvious." a kind of photocatalysis water treatment system ", " method and apparatus of high efficiency photocatalysis water treatment " are although by adding water pump when carrying out circulating water treatment, in reactor, form " S " current and contact with photocatalysis membrana with " turbulent flow " reinforcing mass transfer, improve photocatalysis effect.But the speed that mass transfer contacts with photocatalysis membrana is affected by water flow mode, photocatalysis effect improves little, simultaneously owing to be subject to the restriction of photocatalysis membrana effective film area, the amount of oxidation that photocatalysis membrana produces in the reactor is very limited, therefore utilize the oxidation capacity of photocatalysis membrana that double bond organic is implemented key point, the polarization state of utilizing the organism behind the key point to occur, adopt traditional technique such as charcoal absorption to act synergistically, these organism are removed, just can be made photocatalysis technology really be applied to the purifying water process field.
Summary of the invention
The purpose of this invention is to provide a kind of whirlwind-type photocatalytic reaction device, a kind of core texture of water-purification plant is provided.
The present invention also aims to photo catalysis reactor and adopt cyclone technique, shell and light-catalyzed reaction film pipe adopt integrated aluminium-alloy pipe (or stainless steel tube), activated charcoal filter (or sand-bed filter) and light-catalyzed reaction synergy.
Technical program of the present invention lies in: a kind of whirlwind-type photocatalytic reaction device, it comprises: the primary treatment device, adopt kieselguhr filter, remove the greatly different thing in the tap water, the clarification of protection water quality, strainer is reusable;
The whirlwind-type photo catalysis reactor, the chlorine in the reductive water, with in the water with the organism key point of two keys, sterilization algae removal; It is characterized in that the whirlwind-type photo catalysis reactor comprises that interior wall loading has the aluminium-alloy pipe (or stainless steel tube) of photocatalysis membrana, the two ends of described aluminium-alloy pipe (or stainless steel tube) are furnished with the plastic end cover for sealing, one side of described plastic end cover is installed a ultraviolet lamp, and the opposite side of described plastic end cover is equipped with built-in agitator motor.O RunddichtringO or the gasket of food grade are housed in the plastic end cover, are used for the sealing with aluminium-alloy pipe (or stainless steel tube).Processing water passes in and out from the both sides plastic end cover;
Aluminium-alloy pipe (or stainless steel tube) needed to carry out passivation or load one deck silicon fiml to inwall before the load photocatalysis membrana, also can be on the basis of passivation load one deck silicon fiml, to prevent that the aluminium-alloy pipe inwall is by photocatalysis membrana oxidation corrosion.
Activated charcoal filter (or sand-bed filter) participates in light-catalysed synergy, and the organism of the two keys of band polymerism can occur after by the photochemical catalytic oxidation key point, is easy to be adsorbed by gac (or sand-bed filter).
Characteristics of the present invention are to adopt diatomite filtration, avoid photocatalysis membrana to be subjected to the pollution of particulate matter, affect light-catalysed effect; Shell and photocatalysis membrana are integrated, and structure of reactor is simple; The reactor cyclone mode is accelerated mass transfer and is contacted with photocatalysis membrana, and energy consumption is low, and photocatalysis effect is more abundant; Organism behind the photochemical catalytic oxidation key point adsorbs by gac (or fine sand), and water purifying effect is better.Be applicable to the purifying treatment of tap water, also be applicable to organic matter degradation and the sterilising treatment of trade effluent, sanitary wastewater and the natural water of little pollution.
Description of drawings
Fig. 1 is whirlwind-type photocatalytic reaction device structure iron.
Fig. 2 is whirlwind-type photo catalysis reactor structural representation.
Embodiment
Embodiment one
The whirlwind-type photocatalytic reaction device structure iron of present embodiment as shown in Figure 1, tap water enters kieselguhr filter 2 through water-in 1, enters whirlwind-type light again and urges reactor 3, after activated charcoal filter 4 absorption, purifies waste water and flows out from water outlet 5.
Embodiment two
The basic structure of the whirlwind-type photocatalytic reaction device employing whirlwind-type photocatalyst of present embodiment as shown in Figure 2, wall loading had the aluminium-alloy pipe 4 of composite photocatalysis membrane in the whirlwind-type photocatalyst adopted, there is outer tooth at the two ends of aluminium-alloy pipe 4, one end is connected with the end cap 2 that ultraviolet lamp 10 is housed, and the other end is connected with the end cap 6 that agitator motor 5 is housed.Be built in the electric wire of the agitator motor 5 in the end cap 6 by a sealing member 8 and only tight and cap 9 sealings.Water supply connector 11 is arranged on the end cap 6, water out adapter 1 is arranged on the end cap 2.In the aluminium-alloy pipe 4 both sides end caps 2,6 O RunddichtringO or gasket 3,7 are housed, during assembling, with both sides end cap 2,6 and aluminium-alloy pipe 4 two ends outside tooth screw and get final product.
Embodiment three
Passivation and the load silicon fiml of aluminium-alloy pipe (or stainless steel tube) inwall of the whirlwind-type photocatalytic reaction device of present embodiment:
1, the aluminium-alloy pipe that processes is carried out the inwall Passivation Treatment, can adopt the mixed liquid dipping method of the vitriol oil or concentrated nitric acid or the vitriol oil and concentrated nitric acid to carry out passivation, the aluminium-alloy pipe inwall after the passivation can form the protective membrane of one deck densification.
2, the load of aluminium-alloy pipe inwall silicon fiml: butyl silicate, water, nitric acid, alcohol are mixed with colloidal sol by a certain percentage, adopt the membrane method that inwall is applied, heat to 200 to 300 ℃ after drying, form the silica membrane layer that a layer thickness is about 10～50nm at the aluminium-alloy pipe inwall.
Embodiment three
According to the structure of embodiment 2, shell of reactor adopts the aluminium-alloy pipe after the passivation, and loaded composite photocatalysis membrane, ultraviolet light source are that 12W, wavelength are 365nm, and agitator motor power is 2W, and the reactor net capacity is 1.3 liters, speed of reaction for per hour 1 liter purify waste water.
Comparative Examples 1
5 liters of tap water are adopted concentrated 1000 times of method of evaporation, get sample water 1.
5 liters of tap water behind activated carbon filtration are adopted concentrated 1000 times of method of evaporation, get sample water 2.
5 liters of tap water of crossing through gac, photocatalysis treatment are adopted concentrated 1000 times of method of evaporation, get sample water 3.
5 liters of tap water behind photochemical catalysis, activated carbon filtration are adopted concentrated 1000 times of method of evaporation, get sample water 4.
The result shows, after photochemical catalysis, adopts the charcoal absorption decolorizing effect the most remarkable again, illustrates that the organism in the water is easier of charcoal absorption after photochemical catalysis, and water purifying effect is better.
Comparative Examples 2
Methylene blue solution is put into respectively two Cyclonic reactors, and one of them agitator motor is opened the generation eddy flow, and another is closed and is in static state.Open simultaneously ultraviolet lamp, after two hours, the reactor methylene blue percent of decolourization that produces eddy flow is 96%, and the methylene blue percent of decolourization in the batch reactor only is 40%.Illustrate under the equivalent responses condition that the Cyclonic reactor speed of reaction is more than a times of batch reactor.
Claims (9)
1. the present invention relates to a kind of room light catalysis water purification reaction apparatus, belong to the purifying water process technical field.This device comprises:
Primary filter is selected kieselguhr filter, removes the suspended particulate in the water, and is permanently effective with the photocatalysis membrana of protection photo catalysis reactor.
The whirlwind-type photo catalysis reactor comprises that interior wall loading has the aluminium-alloy pipe (or stainless steel tube) of photocatalysis membrana, the two ends of described aluminium-alloy pipe (or stainless steel tube) are furnished with the plastic end cover for sealing, one side of described plastic end cover is installed a ultraviolet lamp, and the opposite side of described plastic end cover is equipped with built-in agitator motor.O RunddichtringO or the gasket of food grade are housed in the plastic end cover, are used for the sealing with aluminium-alloy pipe (or stainless steel tube).Processing water passes in and out from the both sides plastic end cover.
Before the interior wall loading photocatalysis membrana of aluminium-alloy pipe (or stainless steel tube), need carry out Passivation Treatment, or load layer of silicon dioxide film, or passivation back loading silicon dioxide film.
Terminal activated charcoal filter (or sand-bed filter), with in the water body by the Adsorption of Organic of photochemical catalytic oxidation.
2. a kind of room light catalysis water purification reaction apparatus according to claim 1 is characterized in that disposing the reactor reinforcing mass transfer effect of swirl-flow devices, and activated charcoal filter (or sand-bed filter) cooperative photocatalysis is processed.
3. a kind of room light catalysis water purification reaction apparatus according to claim 2 is characterized in that the elementary kieselguhr filter that is.
4. a kind of room light catalysis water purification reaction apparatus according to claim 3, it is characterized in that: the interior wall loading of described aluminium-alloy pipe (or stainless steel tube) has photocatalysis membrana, there is outer tooth at aluminium-alloy pipe (or stainless steel tube) two ends, can with both sides plastic end cover fast sealing.
5. a kind of room light catalysis water purification reaction apparatus according to claim 4 is characterized in that: seal or gasket with food grade O type circle between described aluminium-alloy pipe (or stainless steel tube) and the both sides plastic end cover.
6. a kind of room light catalysis water purification reaction apparatus according to claim 5 is characterized in that: both sides plastic end cover one side installation ultraviolet lamp, the built-in agitator motor of opposite side plastic end cover.
7. a kind of room light catalysis water purification reaction apparatus according to claim 6, it is characterized in that: aluminium-alloy pipe (or stainless steel tube) inwall is before the load photocatalysis membrana, need carry out Passivation Treatment, or load layer of silicon dioxide film, or passivation back loading silicon dioxide film.
8. a kind of room light catalysis water purification reaction apparatus according to claim 7, it is characterized in that: described both sides plastic end is stamped the Inlet and outlet water interface, in order to be connected with kieselguhr filter and activated charcoal filter (or sand-bed filter).
9. a kind of room light catalysis water purification reaction apparatus described in according to claim 8, it is characterized in that activated charcoal filter (or sand-bed filter) is the collaborative device of light-catalyzed reaction, utilize photochemical catalysis to the polymerism that occurs after the double bond organic oxidation, adsorb by the organism of photochemical catalytic oxidation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104308258A CN102976533A (en) | 2012-11-02 | 2012-11-02 | Cyclone type photo-catalytic reaction apparatus |
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| CN2012104308258A CN102976533A (en) | 2012-11-02 | 2012-11-02 | Cyclone type photo-catalytic reaction apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891600A (en) * | 2015-06-03 | 2015-09-09 | 上海伊美特实业有限公司 | Drinking water quick treatment device |
| CN108238695A (en) * | 2016-12-23 | 2018-07-03 | 北京有色金属研究总院 | A kind of ultraviolet catalytic water treatment facilities using float type photochemical catalyst |
| CN112028357A (en) * | 2020-09-08 | 2020-12-04 | 江苏康润净化科技有限公司 | Spiral-flow type photocatalysis purifier |
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| CN1178198A (en) * | 1996-09-27 | 1998-04-08 | 建设部城市水资源中心 | Process and apparatus for producing superpurified water |
| CN101857284A (en) * | 2010-05-31 | 2010-10-13 | 长春工业大学 | Method for treating dry distillation sewage of oil shale |
| CN102127771A (en) * | 2011-02-21 | 2011-07-20 | 北京工业大学 | Method for preparing aluminium alloy-loaded titanium dioxide nano tube film |
| CN202272797U (en) * | 2011-10-08 | 2012-06-13 | 海南师范大学 | Drinking water purification device |
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2012
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Patent Citations (4)
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| CN1178198A (en) * | 1996-09-27 | 1998-04-08 | 建设部城市水资源中心 | Process and apparatus for producing superpurified water |
| CN101857284A (en) * | 2010-05-31 | 2010-10-13 | 长春工业大学 | Method for treating dry distillation sewage of oil shale |
| CN102127771A (en) * | 2011-02-21 | 2011-07-20 | 北京工业大学 | Method for preparing aluminium alloy-loaded titanium dioxide nano tube film |
| CN202272797U (en) * | 2011-10-08 | 2012-06-13 | 海南师范大学 | Drinking water purification device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891600A (en) * | 2015-06-03 | 2015-09-09 | 上海伊美特实业有限公司 | Drinking water quick treatment device |
| CN108238695A (en) * | 2016-12-23 | 2018-07-03 | 北京有色金属研究总院 | A kind of ultraviolet catalytic water treatment facilities using float type photochemical catalyst |
| CN108238695B (en) * | 2016-12-23 | 2020-09-15 | 有研工程技术研究院有限公司 | Ultraviolet light catalysis water treatment device applying floating type photocatalyst |
| CN112028357A (en) * | 2020-09-08 | 2020-12-04 | 江苏康润净化科技有限公司 | Spiral-flow type photocatalysis purifier |
| CN112028357B (en) * | 2020-09-08 | 2022-06-03 | 江苏康润净化科技有限公司 | Spiral-flow type photocatalysis purifier |
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