CN207404920U - A kind of catalytic ozonation system for organic wastewater with difficult degradation thereby - Google Patents
A kind of catalytic ozonation system for organic wastewater with difficult degradation thereby Download PDFInfo
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- CN207404920U CN207404920U CN201721287798.8U CN201721287798U CN207404920U CN 207404920 U CN207404920 U CN 207404920U CN 201721287798 U CN201721287798 U CN 201721287798U CN 207404920 U CN207404920 U CN 207404920U
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- organic wastewater
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Abstract
A kind of catalytic ozonation system for organic wastewater with difficult degradation thereby, including mixing wastewater with air unit, catalytic oxidation unit and backwash unit, mixing wastewater with air unit includes the ejector of mixing organic wastewater and ozone, the booster pump and ozone generator organic wastewater being pumped into ejector, catalytic oxidation unit includes reactor, the catalyst and dissolved air release of filling in the reactor, backwash unit includes being arranged on reactor, for the backwash water inlet of cleaning catalyst surface attachment pollutant and backwash water outlet, ejector inlet end is connected with booster pump, the other end is connected with ozone generator, the ejector port of export connects dissolved air release, advantage is：Booster pump and ejector can be such that ozone is dissolved in organic wastewater, dissolved air release can be by the ozone in organic wastewater to release, and generates substantial amounts of micro air bubble, and ozone is made sufficiently to be mixed with organic wastewater and catalyst, mass transfer enhancement efficiency increases the reaction rate for improving catalysis oxidation.
Description
Technical field
The utility model is related to treatment of Organic Wastewater fields, more particularly to a kind of ozone for organic wastewater with difficult degradation thereby to urge
Change oxidative system.
Background technology
With the rapid development of my industry, the species and discharge capacity of industrial wastewater are increasing, wherein difficult degradation organic waste
Water harm is huge.Such Wastewater Pollutant complicated component, usually contains aromatic compound, heterocyclic compound, sulfide, cyaniding
The noxious material of the difficult degradations such as object, heavy metal, conventional biochemical processing process cannot effectively remove the organic matter of these difficult degradations.
Authorization Notice No. discloses a kind of ultrasonic ozone catalytic oxidation treatment for the Chinese patent of CN205500885U to be had
The device of machine waste water including ozone generator, is arranged on main in vivo stainless steel reaction slot, is sequentially arranged in stainless steel reaction slot
Low frequency ultrasound wave transducer and high-frequency ultrasonic transducer, supersonic generator on side wall, wherein in stainless steel reaction slot bottom
Portion is equipped with the ozone inlet and wastewater inlet pipe connected with ozone generator, goes out at the top of stainless steel reaction slot equipped with ozone
Tracheae and waste water outlet pipe, low frequency ultrasound wave transducer are located at the lower section of high-frequency ultrasonic transducer, low frequency ultrasound wave transducer
It is connected respectively with supersonic generator with high-frequency ultrasonic transducer.The device ozone is separately passed through reactive tank with organic wastewater
In, cause gas-liquid mixed uneven, gas-liquid mass transfer effect is poor, and catalytic oxidation rate is low.
Utility model content
The purpose of this utility model is to provide a kind of catalytic ozonation system for organic wastewater with difficult degradation thereby, advantage
It is that ozone is sufficiently mixed with organic wastewater, so as to improve mass-transfer efficiency, improves catalytic oxidation rate.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of catalytic ozonation system for organic wastewater with difficult degradation thereby, including reactor, mixing wastewater with air unit, catalysis
Oxidation unit and backwash unit, the mixing wastewater with air unit include the ejector of mixing organic wastewater and ozone, by organic waste
Booster pump and ozone generator in water force (forcing) pump incident flow device, the catalytic oxidation unit include reactor, are filled in reaction
Catalyst in device and the dissolved air release for releasing the ozone in organic wastewater in a manner of micro-bubble, the jet stream
Device inlet end is connected with booster pump, and the other end is connected with ozone generator, and the ejector port of export connection is arranged on reaction
The dissolved air release of device bottom.
Through the above technical solutions, the organic matter that reactor is used to accommodate in ozone and waste water reacts wherein, booster pump
Setting with ejector can be such that ozone is dissolved in organic wastewater, and the setting of dissolved air release can make to be dissolved in organic waste
Ozone in water releases, and generates substantial amounts of micro air bubble, and ozone is made sufficiently to be mixed with organic wastewater and catalyst, with
Mass-transfer efficiency is improved, improves the reaction rate of catalysis oxidation, the setting of catalyst can improve the reaction speed for improving catalysis oxidation
Rate.
The utility model is further arranged to：The reactor upper end is provided with first partition, and the reactor lower end is set
Second partition is equipped with, fine and closely woven through hole is provided on the partition plate, the catalyst is filled between two pieces of partition plates, the catalyst
The diameter of particle is more than the through-hole diameter.
Through the above technical solutions, on partition plate the setting of aperture can make organic wastewater and ozone bubbles by but can be with
Catalyst is obstructed, and exempts from its outflow reactor under the drive of water.
The utility model is further arranged to：The backwash unit includes being arranged on the backwash water inlet of reactor upper end
With the backwash water outlet for being arranged on the reactor lower end, cleaning solution is flowed by the backwash water inlet, by the backwash water outlet
Mouth outflow.
It through the above technical solutions, cleaning solution is flowed by anti-water inlet, is flowed out by backwash water outlet, catalyst will be attached to
The pollutant on surface washes, and avoids pollutant adherency on a catalyst, influences to participate in the mixture of reaction and connecing for catalyst
It touches, so as to influence catalytic effect.
The utility model is further arranged to：The reactor head is provided with exhaust port, the exhaust port
It is connected with one end of the import of the ejector, one end that the import of the ejector is connected with exhaust port and the jet stream
One end that the import of device is connected with the ozone generator is the same end.
Through the above technical solutions, the ozone that reaction is had neither part nor lot on reactor top can be recycled to ejector air inlet
Mouthful, so as to further improve the utilization rate of ozone, reduce cost.
The utility model is further arranged to：The ratio of height to diameter scope of the reactor is 5-10.
Through the above technical solutions, ensureing the ozone sufficient reaction time, catalytic efficiency is improved.
The utility model is further arranged to：The backwash water outlet bottom is in the second partition, the backwash water inlet
Higher than the first partition.
Through the above technical solutions, can be cleaned to catalyst all in reactor, pollutant is avoided to be adhered to
On catalyst, influence to participate in contact of the mixture of reaction with catalyst, so as to influence catalytic effect.
The utility model is further arranged to：The exhaust port is also associated with tail gas breaking plant.
Through the above technical solutions, after treatment of Organic Wastewater is complete, it can be by extra ozone through tail gas breaking plant
Oxygen is decomposed into, avoids by ozone being expelled directly out that human body is caused to damage.
In conclusion the utility model has the advantages that：
First, the organic matter that reactor is used to accommodate in ozone and waste water reacts wherein, the setting of booster pump and ejector
Ozone can be made to be dissolved in organic wastewater, and the setting of dissolved air release can discharge the ozone being dissolved in organic wastewater
Out, and substantial amounts of micro air bubble is generated, ozone is made sufficiently to be mixed with organic wastewater and catalyst, to improve mass-transfer efficiency,
The reaction rate of catalysis oxidation is improved, the setting of catalyst can improve the reaction rate for improving catalysis oxidation；
2nd, the pollutant for being attached to catalyst surface can be washed by backwashing the setting of unit, and pollutant is avoided to glue
It is attached on a catalyst, influence to participate in contact of the mixture with catalyst of reaction, so as to influence catalytic effect；
3rd, the ozone that reaction is had neither part nor lot on reactor top can be recycled to ejector air inlet, so as to further carry
The utilization rate of high ozone, reduces cost；
4th, after treatment of Organic Wastewater is complete, extra ozone can be decomposed into oxygen through tail gas breaking plant, avoided
Ozone is expelled directly out that human body is caused to damage.
Description of the drawings
Fig. 1 is the present embodiment system schematic.
In figure, 1, reactor；2nd, water outlet；3rd, water inlet；4th, ejector；5th, booster pump；6th, ozone generator；7th, it is catalyzed
Agent；8th, dissolved air release；9th, water pipe；10th, first partition；11st, second partition；12nd, through hole；13rd, backwash water inlet；14th, backwash
Water outlet；15th, exhaust port；16th, tail gas breaking plant.
Specific embodiment
A kind of catalytic ozonation system for organic wastewater with difficult degradation thereby, with reference to shown in Fig. 1, including mixing wastewater with air list
Member, catalytic oxidation unit and backwash unit.Mixing wastewater with air unit includes the ejector 4 of mixing organic wastewater and ozone, will have
Booster pump 5 and ozone generator 6 in machine waste water force (forcing) pump incident flow device 4.Catalytic oxidation unit includes reactor 1, is filled in
Catalyst 7 in reactor 1 and the dissolved air release 8 for releasing the ozone in organic wastewater in a manner of micro-bubble,
The ratio of height to diameter scope of reactor 1 is 5-10, water outlet 2 is provided in the upper end of reactor 1, bottom is provided with 3 jet stream of water inlet
4 inlet end of device is connected with booster pump 5, and the other end is connected with ozone generator 6, and 4 port of export of ejector is connected with water pipe 9, water
Pipe 9 is connected through water inlet 3 with being arranged on the dissolved air release 8 of 1 bottom of reactor.
With reference to shown in Fig. 1,1 upper end of reactor is provided with first partition 10, lower end is provided with second partition 11, first
Fine and closely woven through hole 12 is provided on partition plate 10 and second partition 11, the catalyst 7 is filled between first partition 10 and second,
In, catalyst 7 is granular supported, heterogeneous metallic catalyst 7, and the diameter of 7 particle of catalyst is more than 12 diameter of through hole.
With reference to shown in Fig. 1, backwash unit includes being arranged on the backwash water inlet 13 of 1 upper end of reactor and be arranged on described
The backwash water outlet 14 of 1 lower end of reactor, wherein, backwash water inlet 13 is higher than first partition 10, and backwash water outlet 14 is less than the
Two partition plates 11, cleaning solution are flowed by the backwash water inlet 13, are flowed out by the backwash water outlet 14.
With reference to shown in Fig. 1,1 top of reactor is provided with exhaust port 15, exhaust port 15 and the ejector 4
Import one end connection, one end that the import of ejector 4 is connected with exhaust port 15 and the import of the ejector 4 and institute
The one end for stating the connection of ozone generator 6 is the same end, tail gas breaking plant 16 is also associated on exhaust port 15, tail gas is broken
Ozone decomposed is oxygen by high temperature by bad device 16, is then discharged out.
The course of work：Organic wastewater is flowed into after the supercharging of booster pump 5 in ejector 4, and according to Venturi effect, ozone occurs
The ozone generated in device 6 can be inhaled into ejector 4, and is dissolved in organic wastewater, mixed ozone and waste water, by jet stream
The outlet of device 4 enters in the dissolved air release 8 of 1 bottom of reactor, makes to be dissolved in organic wastewater under the action of dissolved air release 8
Ozone release, and generate substantial amounts of micro air bubble, micro air bubble and organic wastewater and risen with certain flow velocity, and urging
Under the catalytic action of agent 7, ozone and the pollutant oxidation reaction in organic wastewater, the organic wastewater after degradation is by water outlet 2
Outflow, the undissolved sufficient ozone of reaction is again introduced by exhaust port in ejector 4, and is mixed with organic wastewater, into
Row catalytic oxidation after a period of time, can adhere to some pollutants on the surface of catalyst 7, hinder the progress of catalytic reaction,
At this moment cleaning solution by backwash water inlet 13 is entered, is flowed out by backwash water outlet 14, after treatment of Organic Wastewater is complete, can incited somebody to action
Extra ozone is decomposed into oxygen through tail gas breaking plant 16, avoids by ozone being expelled directly out that human body is caused to damage.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (7)
1. a kind of catalytic ozonation system for organic wastewater with difficult degradation thereby, it is characterized in that：Including mixing wastewater with air unit, catalysis
Oxidation unit and backwash unit, the mixing wastewater with air unit include mixing organic wastewater and ozone ejector (4), will be organic
Booster pump (5) and ozone generator (6) in waste water force (forcing) pump incident flow device (4), the catalytic oxidation unit include reactor
（1）, the catalyst (7) that is filled in reactor (1) and the ozone in organic wastewater is released in a manner of micro-bubble
Dissolved air release (8), ejector (4) inlet end is connected with booster pump (5), the other end with ozone generator (6) even
It connects, ejector (4) port of export connection is arranged on the dissolved air release (8) of reactor (1) bottom.
2. a kind of catalytic ozonation system for organic wastewater with difficult degradation thereby according to claim 1, it is characterized in that：Institute
State reactor (1) upper end and be provided with first partition (10), reactor (1) lower end is provided with second partition (11), it is described every
Fine and closely woven through hole (12) is provided on plate, the catalyst (7) is filled between two pieces of partition plates, catalyst (7) particle it is straight
Footpath is more than the through hole (12) diameter.
3. a kind of catalytic ozonation system for organic wastewater with difficult degradation thereby according to claim 2, it is characterized in that：Institute
Stating backwash unit includes being used for the backwash water inlet for being arranged on reactor (1) upper end of cleaning catalyst surface attachment pollutant
(13) and it is arranged on the backwash water outlet (14) of the reactor (1) lower end.
4. a kind of catalytic ozonation system for organic wastewater with difficult degradation thereby according to claim 1, it is characterized in that：Institute
It states and exhaust port (15) is provided at the top of reactor (1), the exhaust port (15) and the import of the ejector (4)
One end connects, one end that the import of the ejector (4) be connected with exhaust port (15) and the import of the ejector (4) and
One end of ozone generator (6) connection is the same end.
5. a kind of catalytic ozonation system for organic wastewater with difficult degradation thereby according to claim 1, it is characterized in that：Institute
The ratio of height to diameter scope for stating reactor (1) is 5-10.
6. a kind of catalytic ozonation system for organic wastewater with difficult degradation thereby according to claim 3, it is characterized in that：Institute
Backwash water outlet (14) bottom is stated in the second partition (11), the backwash water inlet (13) is higher than the first partition (10).
7. a kind of catalytic ozonation system for organic wastewater with difficult degradation thereby according to claim 4, it is characterized in that：Institute
It states exhaust port (15) and is also associated with tail gas breaking plant (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721287798.8U CN207404920U (en) | 2017-09-30 | 2017-09-30 | A kind of catalytic ozonation system for organic wastewater with difficult degradation thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721287798.8U CN207404920U (en) | 2017-09-30 | 2017-09-30 | A kind of catalytic ozonation system for organic wastewater with difficult degradation thereby |
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| CN207404920U true CN207404920U (en) | 2018-05-25 |
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| CN201721287798.8U Expired - Fee Related CN207404920U (en) | 2017-09-30 | 2017-09-30 | A kind of catalytic ozonation system for organic wastewater with difficult degradation thereby |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882728A (en) * | 2019-11-05 | 2020-03-17 | 苏州科环环保科技有限公司 | Catalyst off-line cleaning method and device |
| CN112408578A (en) * | 2020-11-26 | 2021-02-26 | 上海绿强新材料有限公司 | Catalytic ozone oxidation honeycomb filler and preparation and printing and dyeing wastewater advanced treatment method |
| CN114436390A (en) * | 2022-01-14 | 2022-05-06 | 南京大学 | Ozone catalytic oxidation reactor and application thereof in viscose waste water treatment |
| WO2023005547A1 (en) * | 2021-07-27 | 2023-02-02 | 无锡小天鹅电器有限公司 | Clothing treatment device |
-
2017
- 2017-09-30 CN CN201721287798.8U patent/CN207404920U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882728A (en) * | 2019-11-05 | 2020-03-17 | 苏州科环环保科技有限公司 | Catalyst off-line cleaning method and device |
| CN112408578A (en) * | 2020-11-26 | 2021-02-26 | 上海绿强新材料有限公司 | Catalytic ozone oxidation honeycomb filler and preparation and printing and dyeing wastewater advanced treatment method |
| WO2023005547A1 (en) * | 2021-07-27 | 2023-02-02 | 无锡小天鹅电器有限公司 | Clothing treatment device |
| CN114436390A (en) * | 2022-01-14 | 2022-05-06 | 南京大学 | Ozone catalytic oxidation reactor and application thereof in viscose waste water treatment |
| CN114436390B (en) * | 2022-01-14 | 2022-12-09 | 南京大学 | Ozone catalytic oxidation reactor and application thereof in viscose fiber wastewater treatment |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20210930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |