CN203307143U - Catalytic oxidation wastewater treatment device - Google Patents
Catalytic oxidation wastewater treatment device Download PDFInfo
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- CN203307143U CN203307143U CN2013201995465U CN201320199546U CN203307143U CN 203307143 U CN203307143 U CN 203307143U CN 2013201995465 U CN2013201995465 U CN 2013201995465U CN 201320199546 U CN201320199546 U CN 201320199546U CN 203307143 U CN203307143 U CN 203307143U
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- wastewater treatment
- ozone contact
- oxidation wastewater
- treatment equipment
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Abstract
The utility model discloses a catalytic oxidation wastewater treatment device. The catalytic oxidation wastewater treatment device comprises an ozone contact reactor, wherein a water inlet and a water outlet are formed in the upper part of the ozone contact reactor respectively; an air exhausting opening is formed in the top of the ozone contact reactor; an air inlet and an emptying opening are formed in the lower part of the ozone contact reactor respectively; the inner part of the ozone contact reactor is divided into two reaction regions by a vertically-arranged separation plate and the two reaction regions comprise a first reaction region and a second reaction region; the bottom spaces of the first reaction region and the second reaction region are communicated; a filler is arranged in the middle of the inner part of the first reaction region; an air distributor is arranged on the bottom of the first reaction region. According to the catalytic oxidation wastewater treatment device disclosed by the utility model, deep oxidization can be realized and organic pollutants in wastewater can be removed to the greatest extent.
Description
Technical field
The utility model relates to field of waste water treatment, furtherly, relates to a kind of catalyzed oxidation wastewater treatment equipment.
Background technology
Along with modern industry is produced the particularly development of chemical engineering industry, the composition of trade effluent is day by day complicated, the organism that wherein contains many difficult degradations, these poisonous and harmful organic pollutant stability are high, difficult degradation, harm is large, and it is difficult to remove, become the key pollutants that affects water quality, environment and the mankind have been had to huge harm.
The catalytic ozonation technology is a kind of advanced oxidation water technology that development in recent years is got up, and has in use obtained unusual effect.For the catalytic ozonation technology, the ozone contact reaction device is to provide ozone solution in water and guarantees the device in catalytic ozonation reaction times, and in the contact reacts device, the catalyzed oxidation generation of ozone can solution absorption strong oxidizing property free radical is the place whether this technology has the key of efficient oxidation usefulness.
Existing ozone contact reaction device is broadly divided into three types: (1) bubble type ozone contact reaction device; (2) water film type ozone contact reaction device; (3) water droplet formula ozone contact reaction device.
Bubble type contact reacts equipment is little in ozone bubbles, and in the large situation of solution-air contact area, treatment effect is better, but it is little to exist liquid to stir, the inadequate problem of gas-to-liquid contact, and the organic pollutants degradation treatment is insufficient;
Packing tower is a kind of water film type reactor commonly used, and the water dispensing apparatus of waste water is distributed on filler, forms moisture film and flows downward along filling surface, and upstream passes through between filler, and carries out reverse the contact with waste water.This reactor apparatus is little, no matter in scale and ozone and water, the speed of impurity can adapt to, but the organic substance contamination and plugging that exists filler easily to be adsorbed along with the carrying out reacted;
Spray tower is a kind of of water droplet formula reactor, and this device structure is simple, and cost is low, but also low to the receptivity of ozone, shower nozzle easily stops up in addition, and pre-treatment requires high.
Above three kinds of O3 contacted oxidation treatment unit cut both ways, and the utilization ratio of ubiquity ozone is low, and organic pollutant degradation obtains problem not thoroughly.
The utility model content
For solving problems of the prior art, the utility model provides a kind of catalyzed oxidation wastewater treatment equipment, can realize that adsorption catalysis is wholely set, can effectively to ozone, carry out catalyzed oxidation, deep oxidation, remove the organic pollutant in waste water to greatest extent.
The purpose of this utility model is to provide a kind of catalyzed oxidation wastewater treatment equipment.
Comprise: the ozone contact reaction device, ozone contact reaction device top is respectively arranged with water-in and water outlet, and top is provided with venting port, and bottom is respectively arranged with inlet mouth and drain;
Described ozone contact reaction device inside is divided into two reaction zones by the dividing plate of vertical setting: the first reaction zone and second reaction zone, the bottom space of the first reaction zone and second reaction zone communicates, the first reaction zone bosom is provided with filler, and the first reaction zone bottom is provided with gas pipe.
The housing of described ozone contact reaction device is preferably square tube shape.
Ozone contact reaction device bottom is provided with access hole.
Described filler is arranged on the packing support plate, and filler top arranges hold-down grid, and the packing support plate is fixed on ozone contact reaction device bottom by support.
Described catalyzed oxidation wastewater treatment equipment also comprises: ozonizer, the ozone outlet of described ozonizer connects the inlet mouth of ozone contact reaction device.
Described catalyzed oxidation wastewater treatment equipment can also comprise air drying equipment, air drying equipment comprises air compressor machine, gas-holder, condenser, strainer A, moisture eliminator and the filter B connected successively, and the outlet of filter B connects the air intlet of ozonizer.
Specifically can be by the following technical solutions:
In described ozone contact reaction device, be distributed with the filler of absorption-catalyzing cooperation ozone oxidation, the preparation of this filler: at first the adsorptive type filler is carried out to the activation of high temperature micropore, make its inside have flourishing pore texture and huge specific surface area.Then adopt pickling process, two component complex metal oxidess are loaded on to adsorptive type catalyzer internal capillary, the filler after the oven dry high-temperature roasting has absorption, catalysis dual property.In catalytic oxidation process this filler at first utilize high absorbability by Adsorption of Organic at filling surface, then complex metal oxides O3 catalytic oxidation reaction produces a large amount of strong oxidizing property free radicals, becomes C0 by being adsorbed on surperficial organic matter degradation oxygenolysis
2And H
20.In the adsorption catalysis process, avoid the accumulation of intermediate product at filling surface, thereby well guaranteed adsorptivity and the reusing of filler.This absorption simultaneously-catalyzing cooperation formula filler is not affected by PH, has solved the problem that the stripping of metal oxide active ingredient is run off, and has good stability.
Described ozone contact reaction device housing is square tube shape, upper end, housing left side is provided with the water-in be connected with the delivery port of waste water transferpump, the upper end, right side is provided with water outlet, the lower end, right side is provided with drain, the bottom of front is provided with the inlet mouth be connected with the ozone transfer line, the bottom of back is provided with access hole, and top is provided with the exhaust port be connected with exhaust gas processing device.
Described ozone contact reaction device inner chamber is divided into two reaction zones by dividing plate, and supporting plate is equipped with in the first reaction zone bottom, and filler is deposited on supporting plate in the mode of classification.Bottom is provided with gas pipe, and ozone gas is sent into from bottom air inlet, and the top of filler is equipped with hold-down grid, in case filler is blown by upstream.Gas distribution equipment is not established in the second reaction zone bottom, by the lower partition, enters this district through well-mixed gas-liquid, and gas-liquid Zai Gai further reacts in district.
The utility model device ozone contact reaction device inside is laid with the porous medium filler that porous medium and oxide-metal combinations form, can the efficient adsorption organic pollutants, and simultaneously again can the catalytic activation ozone molecule.By in it, passing into ozone gas, at filling surface, produce the hydroxyl radical free radical of hyperoxia voltinism, thereby make this device effectively to ozone, to carry out catalyzed oxidation, when improving ozone utilization rate, remove to greatest extent organic pollutant.Solved existing O3 contacted oxidation device ozone utilization rate low, organic pollutant degradation obtains problem not thoroughly.
The accompanying drawing explanation
Fig. 1 is catalyzed oxidation wastewater treatment equipment schematic diagram of the present utility model
Fig. 2 is ozone contact reaction device vertical view of the present utility model
Fig. 3 is ozone contact reaction device front view of the present utility model
Fig. 4 is the flat profile in elevation of ozone contact reaction equipment of the present utility model
Description of reference numerals:
1. air compressor machine 2. gas-holder 3. condenser 4. entrance of cooling water 5. cooling water outlet 6. strainer A 7. moisture eliminator 8. under meter 9. ozonizer 10. air intlet 11. ozone export 12. step-up transformer 13. voltate regulator 14. water-in 15. water outlet 16. drain 17. inlet mouth 18. access hole 19. venting port 20. tail gas breaking plant 21. hold-down grid 22. packing support plate 23. support 24. gas pipe 25 filter B 26 ozone contact reaction device 27 dividing plates
Embodiment
Below in conjunction with embodiment, further illustrate the utility model.
As shown in Figure 1, a kind of catalyzed oxidation wastewater treatment equipment comprises: ozone contact reaction device 26, ozonizer 9 and air drying equipment.
Air drying equipment comprises air compressor machine 1, gas-holder 2, condenser 3, strainer A6, moisture eliminator 7 and the filter B 25 connected successively, and the outlet of filter B 25 connects the air intlet 10 of ozonizer 9.
The ozone outlet 11 of described ozonizer 9 connects the inlet mouth 17 of ozone contact reaction device 26.
Ozone contact reaction device 26 housings are square tube shape, and top is respectively arranged with water-in 14 and water outlet 15, and top is provided with venting port 19, and bottom is respectively arranged with inlet mouth 17 and drain 16; Described ozone contact reaction device inside is divided into two reaction zones by the dividing plate 27 of vertical setting: the first reaction zone and second reaction zone, the bottom space of the first reaction zone and second reaction zone communicates, the first reaction zone bosom is provided with filler, the first reaction zone bottom is provided with gas pipe 24, described catalyzer is arranged on packing support plate 22, catalyzer top arranges hold-down grid 21, packing support plate 22 is fixed on ozone contact reaction device bottom by support 23, and described ozone contact reaction device 26 bottoms are provided with access hole 18.
At first pressurized air after air compressor machine enter gas-holder, removes part moisture by pressure, then make air themperature cooling through condenser, forms the globule and discharge; Strainer A removes airborne impurity, greasy dirt, by magnetic valve, enters moisture eliminator; Moisture eliminator is comprised of two circular drying cylinders of parallel connection, in-built hygroscopic material silica gel and molecular sieve.Two drying cylinders replace air inlet, and when a drying cylinder job, another cylinder is regenerated; Air after high dry purifies reduces pressure and filters by filter B by reducing valve, and degree of purification reaches 100 grades, sends into after metering ozonizer by under meter.Air through purge drying enters ozonizer, and by the electrion annular space, in air, the part oxygen molecule is excited and resolves into Sauerstoffatom, and Sauerstoffatom and Sauerstoffatom (Sauerstoffatom and oxygen molecule) are in conjunction with generating ozonize gas.Forming two utmost points of electrion annular space, is in fact two utmost points of a high voltage capacitor, and high pressure utilizes the step-up transformer transformation to obtain, and the high-voltage electrical apparatus surrounding is provided with protective grating.Condenser and ozonizer all are furnished with sufficient cooling water source, enter by entrance of cooling water, and cooling water outlet is discharged.Water coolant is wanted the tap water of clean transparent.
Waste water enters in the first reaction zone by the water-in that upper end, ozone contact reaction device left side is connected with the delivery port of waste water transferpump, and waste water is evenly distributed on catalyst layer from top after entering tank body, and flows down along catalyst surface.Catalyzer is deposited in supporting plate in the mode of classification.Supporting plate utilizes support to do to support and fixes, and the top of catalyzer is equipped with hold-down grid, in case blown by upstream.Ozone gas is sent into from the inlet mouth of front bottom, after gas pipe is uniformly distributed, is adverse current continuously by the space of catalyst filling layer with waste water, and on catalyst surface, ozone and waste water two-phase close contact carry out the mass transfer oxidizing reaction.Ozone is subjected to the absorption of catalyzer, katalysis to carry out oxygenolysis to waste water in the first reaction zone, then waste water enters second reaction zone by the dividing plate bottom, and gas distribution equipment is not established in the second reaction zone bottom.Gas-liquid Zai Gai further reacts in district, and the liquid reacted completely is discharged through upper end, right side water outlet.Inner two the reaction zone tops of device have a small amount of gas collection and discharge through top vent, are disposed to exhaust gas processing device.While after when device is moving one section, needing to overhaul, can waste water be discharged by the drain of bottom, device right side, enter and overhaul from access hole.
Use the catalyzed oxidation wastewater treatment equipment of embodiment to carry out the advanced treatment test to certain petro-chemical corporation's oil refining externally discharged waste water, the principal pollutant in sewage are COD, and concrete treatment effect is in Table 1.
Table 1
Annotate: the test water inlet is the Wastewater Treatment Field in Refinery bio-chemical effluent.
Device is 150L/h at flooding velocity, enables ozone unit (ozone dosage is 320mg/L), and while in device, not adding the adsorption catalysis filler, water outlet COD average is 49.1mg/L, and clearance is 63.9%; Enable ozone unit (ozone dosage is 180mg/L), while in device, adding the adsorption catalysis filler, water outlet COD average is 18.7mg/L, and clearance is 86.6%.In analytical table, data are as can be known: 1 opens the ozone unit at device, and while not adding the adsorption catalysis filler, the organic removal rate of this combination process is lower, is mainly that the ozone utilization rate that adds is lower, not thorough to hardly degraded organic substance disaggregating treatment in water; 2 open the ozone unit at device, and while adding the adsorption catalysis filler, the organic matter removal efficiency of this combination process raises greatly, and the dosage of ozone obviously reduces than 1 simultaneously, and the utilization ratio of ozone obviously improves.By 1,2, relatively can find out, when this device is laid the adsorption catalysis filler in centre, reduce the dosage of ozone, improve the utilization ratio of ozone, when running cost reduces whole technique to waste water in organic oxidative degradation efficiency also promote to some extent.
Claims (6)
1. catalyzed oxidation wastewater treatment equipment is characterized in that:
Described catalyzed oxidation wastewater treatment equipment comprises: the ozone contact reaction device, and ozone contact reaction device top is respectively arranged with water-in and water outlet, and top is provided with venting port, and bottom is respectively arranged with inlet mouth and drain;
Described ozone contact reaction device inside is divided into two reaction zones by the dividing plate of vertical setting: the first reaction zone and second reaction zone, the bottom space of the first reaction zone and second reaction zone communicates, the first reaction zone bosom is provided with filler, and the first reaction zone bottom is provided with gas pipe.
2. catalyzed oxidation wastewater treatment equipment as claimed in claim 1 is characterized in that:
Described filler is arranged on the packing support plate, and filler top arranges hold-down grid, and the packing support plate is fixed on ozone contact reaction device bottom by support.
3. catalyzed oxidation wastewater treatment equipment as claimed in claim 1 is characterized in that:
Described ozone contact reaction device bottom is provided with access hole.
4. catalyzed oxidation wastewater treatment equipment as described as one of claim 1～3 is characterized in that:
Described catalyzed oxidation wastewater treatment equipment comprises: ozonizer, the ozone outlet of described ozonizer connects the inlet mouth of ozone contact reaction device.
5. catalyzed oxidation wastewater treatment equipment as claimed in claim 4 is characterized in that:
Described catalyzed oxidation wastewater treatment equipment comprises air drying equipment, and air drying equipment comprises air compressor machine, gas-holder, condenser, strainer A, moisture eliminator and the filter B connected successively, and the outlet of filter B connects the air intlet of ozonizer.
6. catalyzed oxidation wastewater treatment equipment as claimed in claim 1 is characterized in that:
The housing of described ozone contact reaction device is square tube shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201995465U CN203307143U (en) | 2013-04-19 | 2013-04-19 | Catalytic oxidation wastewater treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201995465U CN203307143U (en) | 2013-04-19 | 2013-04-19 | Catalytic oxidation wastewater treatment device |
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| CN203307143U true CN203307143U (en) | 2013-11-27 |
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| CN2013201995465U Expired - Fee Related CN203307143U (en) | 2013-04-19 | 2013-04-19 | Catalytic oxidation wastewater treatment device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003505A (en) * | 2014-06-16 | 2014-08-27 | 天津市利昌祥机电设备有限公司 | Double-chamber ozone reactor |
| CN104828880A (en) * | 2015-04-21 | 2015-08-12 | 南通大恒环境工程有限公司 | Pretreatment device for DMF (dimethyl formamide)-containing wastewater |
| CN109437390A (en) * | 2018-12-19 | 2019-03-08 | 南京大学盐城环保技术与工程研究院 | A kind of reactor and its application method of catalytic ozonation waste water |
| CN110052269A (en) * | 2019-05-08 | 2019-07-26 | 科盛环保科技股份有限公司 | A kind of preparation method of depth-averaged model ozone catalytic oxidation catalyst |
| CN114956303A (en) * | 2022-06-10 | 2022-08-30 | 常州大学 | Device for treating high-concentration organic wastewater |
-
2013
- 2013-04-19 CN CN2013201995465U patent/CN203307143U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003505A (en) * | 2014-06-16 | 2014-08-27 | 天津市利昌祥机电设备有限公司 | Double-chamber ozone reactor |
| CN104828880A (en) * | 2015-04-21 | 2015-08-12 | 南通大恒环境工程有限公司 | Pretreatment device for DMF (dimethyl formamide)-containing wastewater |
| CN109437390A (en) * | 2018-12-19 | 2019-03-08 | 南京大学盐城环保技术与工程研究院 | A kind of reactor and its application method of catalytic ozonation waste water |
| CN110052269A (en) * | 2019-05-08 | 2019-07-26 | 科盛环保科技股份有限公司 | A kind of preparation method of depth-averaged model ozone catalytic oxidation catalyst |
| CN114956303A (en) * | 2022-06-10 | 2022-08-30 | 常州大学 | Device for treating high-concentration organic wastewater |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 |