CN202924812U - Organic wastewater ozone catalytic oxidation treatment device - Google Patents
Organic wastewater ozone catalytic oxidation treatment device Download PDFInfo
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- CN202924812U CN202924812U CN 201220602617 CN201220602617U CN202924812U CN 202924812 U CN202924812 U CN 202924812U CN 201220602617 CN201220602617 CN 201220602617 CN 201220602617 U CN201220602617 U CN 201220602617U CN 202924812 U CN202924812 U CN 202924812U
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- oxidation tower
- catalyzed oxidation
- ozone
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- catalytic oxidation
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Abstract
The utility model relates to an organic wastewater ozone catalytic oxidation treatment device. The device comprises a catalytic oxidation tower (3), wherein a catalyst part (4) is arranged in the catalytic oxidation tower (3); the catalyst part (4) is formed by packaging a solid catalyst in a porous regular ceramic container; and the solid catalyst is directly filled at the part where the porous regular ceramic container is in contact with the tower wall of the catalytic oxidation tower (3). The upper part of the catalytic oxidation tower (3) is connected with a water storage tank (1) through a water inlet pump (2), and the bottom of the catalytic oxidation tower (3) is connected with an ozone generator; and the bottom of the catalytic oxidation tower (3) is further connected with a water outlet tank (5). The device disclosed by the utility model has the advantages of high ozone utilization rate which can be up to 90% or above, lower power consumption, no need of additional chemicals and lower treatment cost. The catalytic oxidation tower (3) is a closed container, the air input amount and the air output amount are matched, a micro-pressure gauge and a breathing valve are further equipped, a maintaining system is operated at normal pressure, and the safety of the system is further ensured.
Description
Technical field
The utility model includes organic waste water advanced treatment field, particularly relates to the catalytic ozonation treatment unit that a kind of effectively catalyzed oxidation is removed hardly degraded organic substance in organic waste water.
Background technology
Ozone has extremely strong oxidation capacity, and its redox potential in water is 2.07eV.Ozonization method, belong to a kind of of chemical oxidization method with the method for ozonize waste water.Abroad, oneself is widely used ozone through the sterilizing agent as tap water, and it can fast and effeciently kill bacterium and virus in water, except the peculiar smell in anhydrating.Ozone also is used to process trade effluent, can effectively remove the many organic and inorganic pollutant in waste water, reduces BOD and the COD of waste water, and decolouring, deodorizing, sterilization are had unusual effect.Ozonization method has been compared many advantages with methods such as biochemical process, charcoal absorptions.The oxidation capacity of ozone is strong, good purification, can make in the short period of time the pollutent in waste water be reduced to the permission emission concentration, can also eliminate the halogenated organic matters precursor of carinogenicity in waste water, be the material of the little or toxicological harmless of toxicity with contaminant degradation, technique is simple, safe and reliable, do not produce secondary pollution.
Both at home and abroad at ozone for the treatment of always very active aspect the research of tap water and waste water, develop into the advanced oxidation process from the independent oxidation of ozone, the mechanism of action is mainly to accelerate the speed of ozone oxidation reaction.Most Ozone Absorption processes are processes that the diffusion process in water is controlled or diffusion and reaction are controlled simultaneously by ozone molecule.Therefore how reinforcing mass transfer improves the utilising efficiency of ozone, is very important aspect in the ozonization water treatment technology.
The device of the disclosed treating organic wastewater by ozone and active carbon of CN 1884125A comprises urceolus and the circulating barrel coaxial with it, and urceolus bottom is provided with water-in, and the inner core bottom is provided with aerating apparatus.This device is processed the method for organic waste water: organic waste water is pumped into device from water-in, granular active carbon is added to device inside, pass into ozonize gas, gac circulates in the space of inner core and inner/outer tube formation under the promotion of ozone gas, and waste water is processed.
CN 101050016A relate to a kind of in transport pipe the method for ozonize dyeing waste water.This invention can be completed ozone to the advanced treatment of dyeing waste water in the long conveying pipe of 3 ~ 10m, dyeing waste water contacts with the ozone mixing by ejector.
CN 20142788Y relates to the device that ozonize organic waste water is strengthened in a kind of percussion flow, mainly comprise ozonizer, the impingement mix device, loop reactor and vent gas treatment groove, utilize nozzle that the mixture of ozone and waste water is clashed in opposite directions in impingement mix device high speed, liquid after the abundant impingement mix liquid delivery tube of flowing through enters loop reactor, form gas, liquid, Gu three phase circulation catalytic oxidations, tail gas enters and discharges after the vent gas treatment groove is processed, the circular arc liquid foam baffle plate of exhaust port lower end can prevent the tail gas liquid foam entrainment, waste water after processing is discharged from the reaction waste discharge outlet.
Ozone process is from dropping into production practice for over 100 years more than a hundred years, what adopt is nearly all the traditional method that the common gas-to-liquid contact form of chemical field and commonly used mechanical stirring etc. are strengthened the liquid phase mass transfer, as improve ozone mass concentration in gas phase, increase the pressure in the contact reacts container, adopt the methods such as injection, mechanical stirring mixing, ozone utilization rate is limited.In addition, because catalyst life is limited, carry out catalyst change labour intensity large, the filling difficulty.
The utility model content
The utility model is for problems such as in existing ozonize organic waste water technique, ozone utilization rate are low, catalyst change is difficult, a kind of organic waste water catalytic ozonation treatment unit is provided, can effectively remove high concentration organic contaminant, reduce every pollutent index in processed waste water, satisfy discharged wastewater met the national standard or reuse requirement.
For reaching this purpose, the utility model by the following technical solutions:
A kind of organic waste water catalytic ozonation treatment unit, described device comprises the catalyzed oxidation tower, the inner catalyst member of loading of described catalyzed oxidation tower.
The utility model is directly loaded the solid catalyst parts in the catalyzed oxidation tower, the ozone gas that enters evenly distributed in tower by damming of solid catalyst, and is larger with the contact surface of catalyzer, strengthened mass transfer, improved ozone utilization rate.Ozone molecule (O
3) but Efficient Conversion is hydroxyl radical free radical (OH) under catalyst action, hydroxyl radical free radical is because its extremely strong oxidisability can effectively be removed organic pollutant in waste water, the efficient of catalyzed oxidation is higher and pollutent is not had selectivity, can obviously strengthen the organic matter removal ability that aromatics, nitrogenous and heterocyclic etc. is had potential hazard, strengthen ozone oxidation to organic destructive force and inorganicization degree.Those skilled in the art can carry out the design of other parts of catalytic ozonation treatment unit according to common practise and practical situation, and the utility model there is no particular restriction.
Be below preferred form of the present utility model, the utility model includes but are not limited to following concrete structure.
In catalyzed oxidation tower described in the utility model, the catalyst member top is provided with waterwater entrance, and the below is provided with the ozone entrance, organic waste water and ozone counter current contact in catalyst member.The purpose of counter current contact is the contact area that further increases organic waste water and ozone, makes oxidizing reaction more thorough.
Catalyzed oxidation column overhead described in the utility model is connected with tail gas and destroys system.Unreacted ozone completely enters tail gas from the catalyzed oxidation column overhead and destroys system, makes ozone harmless by thermolysis or katalysis, avoids causing secondary pollution.
Be provided with mist eliminator between catalyzed oxidation tower described in the utility model and tail gas destruction system.The effect of mist eliminator is to remove the drop of carrying secretly in tail gas, makes the processing of ozone in the ozone layer destroying system more thorough.
Be connected with explosion-proof fan after described tail gas destruction system.Explosion-proof fan is used for and will detaches the catalyzed oxidation tower at a small amount of unreacted ozone of catalytic reaction process, makes it pass through mist eliminator, tail gas destruction system and processes fully.
Catalyzed oxidation tower described in the utility model is encloses container, avoids poisonous ozone to discharge and directly contacts with personnel, the processing safety of assurance device.Catalyzed oxidation tower inner liner polytetrafluoroethylene.Tetrafluoroethylene has stopping property, high lubricated not viscosity, electrical insulating property and good resistance of aging, and heatproof is excellent, and chemical stability, erosion resistance are good.The pipeline of described device also adopts teflon seal.
Catalyzed oxidation column overhead described in the utility model is equipped with micromanometer and vacuum pressure valves.Micromanometer is used for supervisory control system running pressure.Vacuum pressure valves is as pressure control device, the assurance system move under micro-vacuum state (0 ~ 500pa), can either keep system's normal pressure operation, avoid again ozone leakage, guarantee system's Operation safety and stability.
Solid catalyst described in the utility model is the particulate solid catalyzer.The active ingredient that described particulate solid catalyzer can select aluminum oxide, volcanics, haydite, gac and quartz sand particle load to have catalysis to live and act on.
Device described in the utility model comprises the catalyzed oxidation tower, and the waterwater entrance of described catalyzed oxidation tower is connected by intake pump with tank, and the ozone entrance is connected with ozonizer; The bottom of described catalyzed oxidation tower also is connected with outlet sump.
Organic waste water catalytic ozonation treatment unit described in the utility model is applied to the advanced treatment of organic industrial sewage usually, installs this device additional after waste water firsts and seconds treatment unit.Organic waste water enters this device tank after firsts and seconds is processed, waste water is delivered to the waste water import through intake pump, after catalytic ozonation is processed, can deliver to outside enterprise drain outlet or reuse use unit from the bottom discharge mouth.
Compare with the prior art scheme, the utlity model has following beneficial effect:
The utility model device ozone utilization rate is high, can reach more than 90%, and power consumption is lower, and does not need outer adding medicine, and processing cost is lower.The catalyzed oxidation tower is encloses container, into and out of tolerance, and is equipped with micromanometer and vacuum pressure valves by coupling, and the system of keeping is atmospheric operation, guarantees Security of the system.
The utility model device is simple to operate, can effectively realize the removal of Organic Pollutants in Wastewater; The treating processes fully-closed is provided with simultaneously tail gas and destroys system, avoids poisonous ozone to discharge, and avoids personnel directly to contact, and has guaranteed the security for the treatment of processes; Simultaneously, owing to being equipped with catalyzer, system operation cost is lower, is conducive to promote the use of.
Description of drawings
Fig. 1 is the utility model organic waste water catalytic ozonation treatment unit schematic diagram.
In figure: the 1-tank; The 2-intake pump; 3-catalyzed oxidation tower; The 4-catalyst member; The 5-outlet sump; The 6-ozonizer; 7-tail gas destroys system; The 8-explosion-proof fan; The 9-micromanometer; The 10-mist eliminator; The 11-vacuum pressure valves.
The below further describes the utility model.But following example is only simple and easy example of the present utility model, does not represent or limits rights protection scope of the present utility model, and interest field of the present utility model is as the criterion with claims.
Embodiment
For the utility model is described better, be convenient to understand the technical solution of the utility model, typical but non-limiting embodiment of the present utility model is as follows:
A kind of organic waste water catalytic ozonation treatment unit, described device comprises catalyzed oxidation tower 3, the inner catalyst member 4 of loading of described catalyzed oxidation tower 3.
In described catalyzed oxidation tower 3, catalyst member 4 tops are provided with waterwater entrance, and the below is provided with the ozone entrance, and organic waste water and ozone is counter current contact in catalyst member 4.Described catalyzed oxidation tower 3 tower tops are connected with mist eliminator 10 in turn, tail gas destroys system 7 and explosion-proof fan 8.Catalyzed oxidation tower 3 tower tops also are equipped with micromanometer 9 and vacuum pressure valves 11.The waterwater entrance of described catalyzed oxidation tower 3 is connected by intake pump 2 with tank 1, and the ozone entrance is connected with ozonizer 6; The bottom of described catalyzed oxidation tower 3 also is connected with outlet sump 5.
Described catalyzed oxidation tower 3 is encloses container; The tower inner liner polytetrafluoroethylene.The pipeline of described device adopts teflon seal.
In the course of the work, pending organic waste water promotes through intake pump 2 from tank 1, waterwater entrance by catalyzed oxidation tower 3 tops enters in tower, again through water distribution board inflow catalyst parts 4, meanwhile, the foul smell that ozonizer 6 produces upwards enters catalyst member 4 from the ozone entrance of catalyzed oxidation tower 3 bottoms through gas distribution grid.Organic waste water and ozone are at the interior counter current contact of catalyst member 4, ozone molecule (O
3) Efficient Conversion is hydroxyl radical free radical (OH) under catalyst action, and the organic pollutant in organic waste water is carried out catalytic oxidation treatment.Waste water after processing enters outlet sump 5 by the water outlet of catalyzed oxidation tower 3 bottoms; The ozone that does not utilize after catalyzed oxidation detaches catalyzed oxidation tower 3 by explosion-proof fan 8, delivers to ozone layer destroying system 7 and remove after mist eliminator 10 dehydrations, and the operating temperature of ozone layer destroying system 7 is lower than 50 ℃, and ozone concn is reduced to 1.5mg/m
3After drain into atmosphere.
The utility model adopts said apparatus and method to realize the oxidation removal of organic pollutant in organic waste water, reduced the concentration of chemical oxygen demand (COD) (COD) in the trade effluent, make it satisfy the requirement that waste water effluxes or recycles, thereby provide effect technique for the Sustainable development of enterprise.
Can utilize this device to carry out advanced treatment to coal chemical industrial waste water, coal chemical industrial waste water is after biochemical and coagulating treatment, and remaining COD is mainly Persistent organic pollutants, and COD is 150 ~ 200mg/L, and colourity is 100 ~ 200 times.Waste water enters tank 1, enters catalytic ozonation tower 3 from the top through intake pump 2, loads catalyst member 4 in catalytic ozonation tower 3.Oxygen content is that 90 ~ 100% gas produces ozone through ozonizer 6, and ozone enters catalyzed oxidation tower 3 and contacts with coal chemical industrial waste water cross-flow in catalyzed oxidation tower 3 from the bottom, under catalyst action, redoxomorphism occurs.Waste water enters outlet sump 5 after treatment, and the tail gas that contains a small amount of ozone is outer by explosion-proof fan 8 after tail gas destroys system 7 drains into atmosphere, enters tail gas and destroys that system is front removes liquid water in tail gas by mist eliminator.The catalyzed oxidation tower is installed the processing safety that vacuum pressure valves 11 guarantees system, and the operating pressure of vacuum pressure valves 11 is-500 ~ 1000Pa.
Adopt the method to realize the deep removal of COD in coal chemical industrial waste water, making and processing rear water outlet COD is 0 ~ 80mg/L, and colourity reduces by 0 ~ 20 times, but qualified discharge.
Specific embodiment 2
Can utilize this device to carry out advanced treatment to dyeing waste water, dyeing waste water is after traditional firsts and seconds is processed, and remaining COD is mainly the Persistent organic pollutants with chromophoric group, and COD is 300 ~ 500mg/L, and colourity is 200 ~ 400 times.Waste water enters tank 1, enters catalytic ozonation tower 3 from the top through intake pump 2, loads catalyst member 4 in catalytic ozonation tower 3.Oxygen content is that 90 ~ 100% gas produces ozone through ozonizer 6, and ozone enters catalyzed oxidation tower 3 and contacts with coal chemical industrial waste water cross-flow in catalyzed oxidation tower 3 from the bottom, under catalyst action, redoxomorphism occurs.Waste water enters outlet sump 5 after treatment, and the tail gas that contains a small amount of ozone is outer by explosion-proof fan 8 after tail gas destroys system 7 drains into atmosphere, enters tail gas and destroys that system is front removes liquid water in tail gas by mist eliminator.The catalyzed oxidation tower is installed the processing safety that vacuum pressure valves 11 guarantees system, and the operating pressure of vacuum pressure valves 11 is-500 ~ 1000Pa.
Adopt the method to realize the deep removal of COD and colourity in dyeing waste water, make process after water outlet COD be 0 ~ 100mg/L, colourity is lower than 30 times, but qualified discharge.
Applicant's statement, the utility model illustrates detailed construction feature of the present utility model and treatment process by above-described embodiment, but the utility model is not limited to above-mentioned detailed construction feature and treatment process, does not mean that namely the utility model must rely on above-mentioned detailed construction feature and treatment process could be implemented.The person of ordinary skill in the field should understand; to any improvement of the present utility model; to the increase of the equivalence replacement of the selected parts of the utility model and accessory, the selection of concrete mode etc., within all dropping on protection domain of the present utility model and open scope.
Claims (9)
1. organic waste water catalytic ozonation treatment unit, described device comprises catalyzed oxidation tower (3), it is characterized in that, the inner catalyst member (4) of loading of described catalyzed oxidation tower (3).
2. device as claimed in claim 1, is characterized in that, in described catalyzed oxidation tower (3), catalyst member (4) top is provided with waterwater entrance, and the below is provided with the ozone entrance, and organic waste water and ozone is counter current contact in catalyst member (4).
3. device as claimed in claim 1 or 2, is characterized in that, described catalyzed oxidation tower (3) tower top is connected with tail gas and destroys system (7).
4. device as claimed in claim 3, is characterized in that, described catalyzed oxidation tower (3) and tail gas destroy between system (7) and is provided with mist eliminator (10).
5. device as claimed in claim 4, is characterized in that, described tail gas is connected with explosion-proof fan (8) after destroying system (7).
6. device as claimed in claim 5, is characterized in that, described catalyzed oxidation tower (3) is encloses container; The tower inner liner polytetrafluoroethylene.
7. device as claimed in claim 6, is characterized in that, described catalyzed oxidation tower (3) tower top is equipped with micromanometer (9) and vacuum pressure valves (11).
8. device as claimed in claim 1, is characterized in that, the pipeline of described device adopts teflon seal.
9. device as claimed in claim 8, is characterized in that, described device comprises catalyzed oxidation tower (3), and the waterwater entrance of described catalyzed oxidation tower (3) is connected by intake pump (2) with tank (1), and the ozone entrance is connected with ozonizer (6); The bottom of described catalyzed oxidation tower (3) also is connected with outlet sump (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602617 CN202924812U (en) | 2012-11-14 | 2012-11-14 | Organic wastewater ozone catalytic oxidation treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602617 CN202924812U (en) | 2012-11-14 | 2012-11-14 | Organic wastewater ozone catalytic oxidation treatment device |
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| CN202924812U true CN202924812U (en) | 2013-05-08 |
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| CN 201220602617 Expired - Lifetime CN202924812U (en) | 2012-11-14 | 2012-11-14 | Organic wastewater ozone catalytic oxidation treatment device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304018A (en) * | 2013-06-14 | 2013-09-18 | 北京赛科康仑环保科技有限公司 | Method and device for enhanced ozone oxidation wastewater treatment of ozone tail gas |
| CN105330066A (en) * | 2015-11-20 | 2016-02-17 | 北京万邦达环保技术股份有限公司 | Color coating waste water treatment device and color coating waste water treatment method |
| CN105668881A (en) * | 2016-03-16 | 2016-06-15 | 湖南京明环保科技有限公司 | Wastewater treatment system containing ammonia nitrogen |
| CN106565036A (en) * | 2016-11-11 | 2017-04-19 | 大连理工大学 | Method for catalytic ozonation and COD and total nitrogen removal from waste water at same time |
| CN107585852A (en) * | 2017-09-04 | 2018-01-16 | 济南大学 | COD method and device in a kind of ozone heterocatalysis oxidized waste water |
| CN107720927A (en) * | 2017-10-17 | 2018-02-23 | 上海市政工程设计研究总院（集团）有限公司 | A kind of catalytic ozonation and comprehensive utilization system for tail-gas |
| CN108821423A (en) * | 2018-07-05 | 2018-11-16 | 深圳市玖品空气净化科技有限公司 | A kind of sewage disposal device using ozone purification |
| CN110104759A (en) * | 2019-06-04 | 2019-08-09 | 北京赛科康仑环保科技有限公司 | A kind of efficient ozone catalytic oxidation technique and its processing system |
| CN110642364A (en) * | 2019-10-25 | 2020-01-03 | 哈尔滨工创环保科技有限公司 | Device for catalytic oxidation of coal chemical wastewater by using suspension catalyst |
-
2012
- 2012-11-14 CN CN 201220602617 patent/CN202924812U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304018A (en) * | 2013-06-14 | 2013-09-18 | 北京赛科康仑环保科技有限公司 | Method and device for enhanced ozone oxidation wastewater treatment of ozone tail gas |
| CN105330066A (en) * | 2015-11-20 | 2016-02-17 | 北京万邦达环保技术股份有限公司 | Color coating waste water treatment device and color coating waste water treatment method |
| CN105668881A (en) * | 2016-03-16 | 2016-06-15 | 湖南京明环保科技有限公司 | Wastewater treatment system containing ammonia nitrogen |
| CN105668881B (en) * | 2016-03-16 | 2018-07-27 | 湖南京明环保科技有限公司 | Wastewater treatment system containing ammonia nitrogen |
| CN106565036A (en) * | 2016-11-11 | 2017-04-19 | 大连理工大学 | Method for catalytic ozonation and COD and total nitrogen removal from waste water at same time |
| CN107585852A (en) * | 2017-09-04 | 2018-01-16 | 济南大学 | COD method and device in a kind of ozone heterocatalysis oxidized waste water |
| CN107720927A (en) * | 2017-10-17 | 2018-02-23 | 上海市政工程设计研究总院（集团）有限公司 | A kind of catalytic ozonation and comprehensive utilization system for tail-gas |
| CN108821423A (en) * | 2018-07-05 | 2018-11-16 | 深圳市玖品空气净化科技有限公司 | A kind of sewage disposal device using ozone purification |
| CN110104759A (en) * | 2019-06-04 | 2019-08-09 | 北京赛科康仑环保科技有限公司 | A kind of efficient ozone catalytic oxidation technique and its processing system |
| CN110642364A (en) * | 2019-10-25 | 2020-01-03 | 哈尔滨工创环保科技有限公司 | Device for catalytic oxidation of coal chemical wastewater by using suspension catalyst |
| CN110642364B (en) * | 2019-10-25 | 2022-01-07 | 哈尔滨工创环保科技有限公司 | Device for catalytic oxidation of coal chemical wastewater by using suspension catalyst |
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Granted publication date: 20130508 |