CN206188474U - Wastewater decoloration device with rotary release ware - Google Patents

Wastewater decoloration device with rotary release ware Download PDF

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Publication number
CN206188474U
CN206188474U CN201621156829.1U CN201621156829U CN206188474U CN 206188474 U CN206188474 U CN 206188474U CN 201621156829 U CN201621156829 U CN 201621156829U CN 206188474 U CN206188474 U CN 206188474U
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CN
China
Prior art keywords
release
waste water
ozone
rotation
gas
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Expired - Fee Related
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CN201621156829.1U
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Chinese (zh)
Inventor
沈东升
成昊
张海洋
冯华军
田志国
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Jiangsu Environmental Protection Technology Co Ltd Bolkow
Industrial Technology Research Institute of ZJU
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Jiangsu Environmental Protection Technology Co Ltd Bolkow
Industrial Technology Research Institute of ZJU
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Priority to CN201621156829.1U priority Critical patent/CN206188474U/en
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Publication of CN206188474U publication Critical patent/CN206188474U/en
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Abstract

The utility model discloses a wastewater decoloration device with rotary release ware, include: by lower supreme rotary release district, ultraviolet band, super sound zone, adsorption zone and the play pool of being in proper order in the reactor barrel, this reactor barrel, set up in the rotary release ware in rotary release district, the mixed liquid feed liquor pipe of the external air water of rotary release ware, set up in the ultraviolet lamp of ultraviolet band, set up in super sound zone's ultrasonic transducer, fill in adsorbent in the adsorption zone, and set up in go out the gas collecting channel of pool top, the gas collecting channel leads to air through tube connects tail gas absorbing device. The utility model discloses integrate ultraviolet, supersound, modified carbon black catalysis ozone oxidation effect in a reaction unit, under the condition of the even gas distribution of rotary release ware, ozone passes through the ultraviolet in proper order, and supersound and the effect of modified carbon black catalyst change ozone into hydroxyl free radical that oxidability is stronger, have improved the utilization ratio of ozone.

Description

A kind of waste water decoloring device with rotation release
Technical field
The utility model belongs to field of waste water treatment, and in particular to a kind of waste water decoloring device of ozone high grade oxidation and side Method.
Background technology
Ozone is a kind of extremely strong oxidant, is removal chroma in waste water, and stink reduces the effective ways of COD, and ozone is in itself It is a kind of oxidant, directly can be acted on the organic matter in waste water, complicated organic molecule is oxidized in simple acid, alcohol etc. Between product.Using physically or chemically means, ozone can form the stronger hydroxyl radical free radical of oxidisability by catalysis, and hydroxyl radical free radical can With by the direct mineralising of organic matter, thorough degradation of organic substances, it is deodorant to reach removal color, reduces the purpose of COD.
But ozone utilization rate in water is low, the residence time short principal element for being to limit catalytic ozonation technology, mesh Preceding common raising ozone has the direct aeration of sand head, two-phase pump mixing method, water sprayer mixing in the mode of waste water mixed effect Method.The ozone bubbles that direct aeration is produced are larger, and mass-transfer efficiency is low.Two-phase pump mixing method and water sprayer mixing method can be produced More tiny ozone bubbles, but because flow velocity is larger during release, the residence time is short in water phase, and ozone utilization rate is also received To limitation.
Utility model content
At present, the equipment of the waste water decoloring based on ozone oxidation, generally existing ozone utilization rate problem not high, to solve The problem, the utility model provides a kind of improving ozone utilization rate, economic, efficient waste water decoloring device.
A kind of waste water decoloring device with rotation release, including:
Rotation release area, ultra-violet (UV) band, hyperacoustic zone, absorption are followed successively by reactor shell, the reactor cylinder body from the bottom to top Area and exhalant region;
It is arranged at the rotation release in the rotation release area, the rotation release external gas water mixed liquid feed tube;
It is arranged at the uviol lamp of the ultra-violet (UV) band;
It is arranged at the ultrasonic transducer of the hyperacoustic zone;
It is filled in the adsorbent in the adsorption zone;
And the gas skirt above the exhalant region is arranged at, the gas skirt connects device for absorbing tail gas by tracheae.
Two-phase pump is set on the gas and liquid mixture feed tube, and it is latter that the ozone that source of the gas is produced enters two-phase pump by tracheae With rotation release is pumped into, the highest ozone output of ozone generator is the ozone generation of 10g/h, or other specifications Device, the exhalant region sets downflow weir.
The profile of the decoloration device is cylinder, and waste water and ozone enter from the rotation release of reactor bottom, from The downflow weir outflow of exhalant region, the waste gas of generation introduces device for absorbing tail gas after being collected on gas skirt.
Rotation release is rotated so that gas-liquid mixed water produces reaction force to promote from release shower nozzle release.Preferably, The rotation release includes:
Horizontally disposed release pipe, the release pipe middle part is connected by rotatable interface with mixing wastewater with air liquid feed tube;
And be arranged on the release pipe and some release shower nozzles that are connected with the release pipe.
Further preferably, the release shower nozzle is evenly arranged on release pipe.
It is further preferred that being in 5~45 ° of angles between the release shower nozzle and Plane of rotation, the release shower nozzle is at it 0~180 ° of spray angle is adjustable in the inclined plane of place.
The injection direction of release preferably can also can spray obliquely obliquely obliquely, and emission direction is in release Planar 0~180 ° (further preferred 30~150 ° adjustable) of shower nozzle, sprays air-water mixture simultaneously, reaction obliquely Power provides rotary power to release pipe.
Preferably, the rotation release and the spacing of ultra-violet (UV) band bottom are 3~10cm.
Preferably, the uviol lamp in the ultra-violet (UV) band is arranged in array, and the spacing between adjacent uviol lamp is 5~25cm.
It is further preferred that the power of the uviol lamp is 10~100W.All uviol lamps are vertically-mounted.
Preferably, some vertical arrangements and the tapered gradually wealthy passage being parallel to each other are divided into the hyperacoustic zone, each is gradually Gradually wealthy passage inner side is uniformly distributed the ultrasonic transducer for contracting.
The two ends of described tapered gradually wealthy passage are horn mouth, interlude is circular channel.It is solid between adjacency channel Or hollow area, for the wiring of ultrasonic transducer.
Interchannel is determined away from by number of channels arrangement form and two ends maximum gauge, entered with most numbers of channels as far as possible Row arrangement, gradually wealthy part is tangent two-by-two and tangent with reactor wall, for example, in the channel, converging transition and divergent segment are minimum Diameter d2=5~15cm, two ends maximum gauges d1=2*d2, tapered and flaring part vertical height h=3*d2.
Preferably, the spacing in each tapered gradually wealthy passage between two neighboring ultrasonic transducer is 5~30cm;Further Preferably 10~30cm.
The set location of associated components is most preferably in the utility model:
It is in 15 ° of angles between the release shower nozzle and Plane of rotation, the release shower nozzle sprays in inclined plane where it 30~150 ° of angle is adjustable, and the rotation release is 5cm with the spacing of ultra-violet (UV) band bottom, and the spacing between adjacent uviol lamp is 15cm, the spacing in each tapered gradually wealthy passage between two neighboring ultrasonic transducer is 20cm.
The frequency range of the ultrasonic transducer is in 0.1MHz~1MHz.
Preferably, the adsorbent is modified carbon black.It is further preferred that modified carbon black catalyst filling rate in adsorption zone It is the 1/2~2/3 of reaction zone volume.
The modified carbon black can be using commonly used in the art or existing modified carbon black, it would however also be possible to employ homemade modified Carbon black, it is preferable that the modified carbon black is Vulcan XC-72, and its method of modifying is,
Carbon black carries out high temperature graphitization in the graphite furnace under argon gas protection, graphitization temperature is 2200~2600 DEG C, will 120~150 DEG C of oil baths in concentrated nitric acid solution of carbon black after graphitization flow back 1~3h, are then cleaned carbon black with deionized water It is pH neutral to water outlet, then impregnated in ammoniacal liquor, after 1~3h of stirring, is washed with deionized water only to water outlet for pH is neutral and dries.Enter Preferably, carbon black carries out high temperature graphitization to one step in the graphite furnace under argon gas protection, and graphitization temperature is 2500 DEG C, by graphite Carbon black after change 140 DEG C of oil baths backflow 2h in concentrated nitric acid solution, are then cleaned carbon black with deionized water in being pH to water outlet Property, then ammoniacal liquor is impregnated in, after stirring 2h, it is washed with deionized water only to water outlet for pH is neutral and dries.
The modified carbon black that the utility model is prepared has a larger specific surface area, surface with substantial amounts of oxygen-containing acidic group and Oh group.
The modified carbon black is loaded in a polytetrafluoroethylene (PTFE) guard, and guard is fixed on modified carbon black in the way of ox horn Area, can arbitrarily dismantle.
The method for carrying out waste water decoloring using the waste water decoloring device comprises the following steps:
Reactor shell is sent into by the rotation release after ozone and waste water being sufficiently mixed using gas-liquid mixing pump Interior, waste water rises with ozone mixed liquor, after sequentially passing through the treatment of ultra-violet (UV) band, hyperacoustic zone and adsorption zone, is gone out into exhalant region Water is discharged;The waste gas of generation is entered in tail gas collecting device after being collected by gas skirt;
In ultra-violet (UV) band, raw free-radical oxidation is issued in ultraviolet irradiation catalysis;Ozone is under ultrasonication in hyperacoustic zone Decompose and discharge oxygen radical and oxidation occurs, while under the cavitation of ultrasonic wave, the microbubble of generation is being vanished The heat that moment produces promotes hydrone to produce hydroxyl radical free radical that oxidation occurs, and strengthens organic matter degradation;In adsorption zone Waste water and without the ozone for having utilized under the absorption of modified carbon black, by after the enrichment of the organic matter of low concentration again by hydroxyl radical free radical Oxidation.
Ozone dosage determines according to water, water quality or actual condition, the quality of general gas-liquid mixed ozone in water Volume ratio with waste water is controlled in (20~100) g:1L.
The mixed liquid of air water is with the rotated release feeding reactor cylinder body of the flow velocity of 50~1000L/h.
With the raising of ozone dosage, chroma in waste water and organic matter removal are also improved therewith, but further increase ozone Dosage, due to the increase of gas flow, causes gas-liquid mixed insufficient, limits the dissolving of ozone.And ozone concentration is improved, can To improve equilibrium concentration of the ozone in water, decolorizing efficiency is significantly increased.
With waste water be sufficiently mixed ozone using gas-liquid mixing pump by the utility model, by a rotatable Ozone Water Release, waste water and ozone nanometer bubble are released, due to release shower nozzle direction with plane residing for rotation release in one Fixed angle, in the presence of recoil strength, rotation release can occur automatically rotation, and rotating the hydraulic disturbance for producing can promote again Nanometer ozone bubbles is slowly floated with a kind of spiralling track and enter ultra-violet (UV) band, improve ozone hydraulic detention time, give up Water and ozone enter ultra-violet (UV) band, and raw free-radical oxidation is issued in ultraviolet irradiation catalysis, subsequently enter hyperacoustic zone, in the region, In the presence of two kinds of oxidation mechanisms:1. ozone is decomposed under ultrasonication and discharges oxygen radical and oxidation occurs;2. in ultrasound Under the cavitation of ripple, produce the shattered to pieces moment of many microbubbles, microbubble to produce heat very high, promote hydrone to produce hydroxyl There is oxidation in base free radical, strengthen organic matter degradation.Last waste water and the ozone not utilized are urged into modified carbon black Change zoneofoxidation, under the absorption of modified carbon black, will be aoxidized by hydroxyl radical free radical again after the organic matter enrichment of low concentration, improve reaction Speed.Final waste water is discharged by downflow weir.Mutually acted synergistically between each processing links, reaction rate is improved jointly.
The beneficial effects of the utility model are:
(1) water intake mode of Ozone Water is rotation release, by adjusting the adjustment of release shower nozzle, can change air water and mix The horizontal and vertical component velocity of compound, it is longer to moving line of the bubble in water phase, when improve stop of the ozone in water Between.
(2) current and ozone nanometer bubble of disturbance can also carry out souring to uviol lamp, it is to avoid some things in waste water Matter fouling on ultraviolet lamp tube tube wall.
(3) ultraviolet, ultrasonic, modified carbon black O3 catalytic oxidation effect is integrated in a reaction unit, is released in rotation Put under conditions of the uniform gas distribution of device, ozone sequentially passes through ultraviolet, ultrasonic and modified carbon black catalyst action, and ozone is changed into oxygen The stronger hydroxyl radical free radical of change ability, improves the utilization rate of ozone.
Brief description of the drawings
Fig. 1 is installation drawing of the present utility model.
Fig. 2 is the structural representation for rotating release.
Fig. 3 is uviol lamp arrangement mode schematic diagram.
Fig. 4 is the layout type schematic diagram of ultrasonic transducer.
1- gas and liquid mixture feed tube 2- source of the gas 3- two-phase pumps
4- tracheaes 5- rotates release 6- uviol lamps
The tapered flaring passage 8- ultrasonic transducers 9- reactor shells of 7-
10- adsorbent 11- exhalant region 12- downflow weirs
13- delivery port 14- gas skirt 15- device for absorbing tail gas
16- water pipes
51- release pipe 52- release shower nozzle 53- rotatable interfaces.
Specific embodiment
As shown in Figure 1 to 4, a kind of waste water decoloring device with rotation release, including reactor shell 9, reaction Device cylinder is to be followed successively by rotation release area, ultra-violet (UV) band, hyperacoustic zone, adsorption zone in cylindrical tube, reactor cylinder body from the bottom to top With exhalant region 11, exhalant region set downflow weir 12, downflow weir connection delivery port 13, exhalant region top set gas skirt 14, gas skirt Device for absorbing tail gas 15 is connected by tracheae.
Rotation release installs rotation release 5 in area, rotates the structural representation of release as shown in Fig. 2 including level The release pipe 51 of setting and the release shower nozzle 52 being uniformly arranged on release pipe, discharge the midpoint of pipe by rotatable interface 53 and gas Liquid mixed liquor feed tube 1 is connected, the external two-phase pump 3 of gas and liquid mixture feed tube, and the tracheae of water pipe 14 and connection source of the gas 2 is accessed The two-phase pump.
Release shower nozzle is in a certain angle with Plane of rotation on release pipe, and release shower nozzle is in clinoplain where it 0~180 ° of angle is adjustable, and the angle of each release shower nozzle is separately adjustable, the spacing between adjacent release shower nozzle for 10~ 30cm。
Ultra-violet (UV) band install uviol lamp 6, top view as shown in figure 3, uviol lamp 6 in ultra-violet (UV) band be in array distribution, fluorescent tube erect Straight to set, bottom is fixed on one block of level board, and the spacing between adjacent fluorescent tube is 5~25cm, the power of uviol lamp for 10~ 100W, the external power supply of uviol lamp and controlling switch.
Spacing between release pipe and uviol lamp fixed plate is 3~10cm.
It is divided into some tapered flaring passages for being vertically arranged and being parallel to each other in hyperacoustic zone (to be set in present embodiment 4), each passage inner side is uniform to install ultrasonic transducer, the spacing in same passage between adjacent ultrasonic transducer for 5~ 30cm, the frequency range of ultrasonic transducer in 0.1MHz~1MHz, by city available from.Hatched parts in as shown in Figure 1 It is solid or hollow area, for wiring and to ultrasonic relevant apparatus waterproof, waste water in passage only by passing through.
Filling adsorbent in adsorption zone, adsorbent is modified carbon black, and modified carbon black is loaded on a polytetrafluoroethylene (PTFE) guard In, guard is fixed on Modified Activated Carbon black area in the way of ox horn, can arbitrarily dismantle.
Carrying out practically mode is as described below:
Influent quality situation COD 200mg/L, 350 times of colourity, flow 500L/h, the ozone produced by ozone generator With flow (the 4.6L O of 10g/h3+ 5.4L air/h, altogether 10L/h) transtracheal mixes with waste water in two-phase pump 3【10g O3/h =4.6L O3/ h, gas liquid ratio (mass volume ratio)=10g:500L=2%】, ozone theoretical content is 20mg/L in mixed liquor, Then rotation release 5 is delivered to by water inlet pipe, ozone dosage and mixing flow quantity are adjusted according to water quality situation, release spray Head is set to 15 ° with the angle of Plane of rotation, and waste water and ozone nanometer bubble are discharged by discharging shower nozzle, in recoil strength Under effect, rotation release rotates automatically, and its hydraulic disturbance for producing promotes nanometer ozone bubbles with a kind of spiral again The track for rising slowly is floated and enters ultra-violet (UV) band, and ultra-violet (UV) band is provided with 5 uviol lamps 6, under ultraviolet light, organic molecule quilt Ultraviolet radioactive is activated, and making the activation energy of reaction reduces, and ozone produces hydroxyl radical free radical by ultraviolet excitation, and what attack was activated has Machine thing, strengthens oxidation efficiency.With the rising of current, waste water enters such as hyperacoustic zone, and under 0.1MHz ul-trasonic irradiations, ozone exists Oxygen radical is decomposed and discharged under ultrasonication, and oxidation occurs.Meanwhile, ultrasonic cavitation produces heat very high, promotees Make hydrone produce hydroxyl radical free radical that oxidation occurs, strengthen organic matter degradation.Finally, waste water flows into modified carbon black reaction Area, modified carbon black catalyst filling rate is the 2/3 of reaction zone volume, and ozone is in further oxidized waste water under catalytic filler effect Organic matter.Finally, waste water is flowed out by the downflow weir of reactor head, and from delivery port discharge, the waste gas in reactor is by collecting Gas hood is collected, by tracheae into device for absorbing tail gas treatment.
Experiment operation related data is as shown in table 1:
Table 1
Reaction time/min COD clearances Chroma removal rate
0 0.00% 0
5 60.60% 52.5%
10 88.10% 78.4%
20 94.90% 89.0%
30 97.00% 94.5%
Embodiment 2
It is 50L/h to change water inlet flow velocity, and ozone dosage is 5g/h, and gas liquid ratio is 5%, and mixed liquor ozone theoretical content is 100mg/L, inlet COD concentration is 500mg/L, and colourity is 800 times, and experiment effect is as shown in table 2:
Table 2
Reaction time/min COD clearances Chroma removal rate
0 0.00% 0
5 44.20% 34.5%
10 72.60% 61.3%
20 85.10% 83.0%
30 92.40% 92.1%
The foregoing is only the specific implementation case of the utility model patent, but the utility model patent technical characteristic simultaneously This is not limited to, any those skilled in the relevant art in field of the present utility model, all cover by the change or modification made Among the scope of the claims of the present utility model.

Claims (8)

1. a kind of with the waste water decoloring device for rotating release, it is characterised in that including:
Reactor shell, be followed successively by from the bottom to top in the reactor cylinder body rotation release area, ultra-violet (UV) band, hyperacoustic zone, adsorption zone and Exhalant region;
It is arranged at the rotation release in the rotation release area, the rotation release external gas water mixed liquid feed tube;
It is arranged at the uviol lamp of the ultra-violet (UV) band;
It is arranged at the ultrasonic transducer of the hyperacoustic zone;
It is filled in the adsorbent in the adsorption zone;
And the gas skirt above the exhalant region is arranged at, the gas skirt connects device for absorbing tail gas by tracheae.
2. waste water decoloring device according to claim 1, it is characterised in that the rotation release includes:
Horizontally disposed release pipe, the release pipe middle part is connected by rotatable interface with mixing wastewater with air liquid feed tube;
And be arranged on the release pipe and some release shower nozzles that are connected with the release pipe.
3. waste water decoloring device according to claim 2, it is characterised in that the release shower nozzle uniform cloth on release pipe Put.
4. waste water decoloring device according to claim 2, it is characterised in that be in 5 between the release shower nozzle and Plane of rotation ~45 ° of angles, the release shower nozzle in inclined plane where it 0~180 ° of spray angle it is adjustable.
5. waste water decoloring device according to claim 1, it is characterised in that between the rotation release and ultra-violet (UV) band bottom Away from being 3~10cm.
6. waste water decoloring device according to claim 1, it is characterised in that the uviol lamp in the ultra-violet (UV) band is arranged in array Cloth, the spacing between adjacent uviol lamp is 5~25cm.
7. waste water decoloring device according to claim 1, it is characterised in that some vertical arrangements are divided into the hyperacoustic zone And the tapered gradually wealthy passage being parallel to each other, each tapered gradually wealthy passage inner side is uniformly distributed the ultrasonic transducer.
8. waste water decoloring device according to claim 1, it is characterised in that two neighboring ultrasound in each tapered gradually wealthy passage Spacing between transducer is 5~30cm.
CN201621156829.1U 2016-10-31 2016-10-31 Wastewater decoloration device with rotary release ware Expired - Fee Related CN206188474U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106630108A (en) * 2016-10-31 2017-05-10 浙江大学苏州工业技术研究院 Wastewater decolorizing device with rotating releaser and decolorizing method
CN112919612A (en) * 2021-01-22 2021-06-08 北创清源(北京)科技有限公司 Rotational flow gas-liquid uniform distribution type sewage treatment device, sewage treatment system and sewage treatment method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106630108A (en) * 2016-10-31 2017-05-10 浙江大学苏州工业技术研究院 Wastewater decolorizing device with rotating releaser and decolorizing method
CN112919612A (en) * 2021-01-22 2021-06-08 北创清源(北京)科技有限公司 Rotational flow gas-liquid uniform distribution type sewage treatment device, sewage treatment system and sewage treatment method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170524

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