CN105347462A - Fluidized bed type ozone oxidation tower - Google Patents
Fluidized bed type ozone oxidation tower Download PDFInfo
- Publication number
- CN105347462A CN105347462A CN201510903821.0A CN201510903821A CN105347462A CN 105347462 A CN105347462 A CN 105347462A CN 201510903821 A CN201510903821 A CN 201510903821A CN 105347462 A CN105347462 A CN 105347462A
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- Prior art keywords
- fluidized bed
- water
- ozone oxidation
- bed type
- tower body
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Combustion & Propulsion (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a fluidized bed type ozone oxidation tower which comprises a tower body, a water outlet tank arranged at the top of the tower body, a reflux tank communicated with the water outlet tank and an ozone device. The bottom of the tower body is provided with sewage inlets; the interior of the tower body is divided into a water flow adjusting area, a fluidized bed filling area, a fluidized bed reaction expansion area and a reaction buffer water outlet area from bottom to top; a water flow adjusting device is arranged in the water flow adjusting area, and the fluidized bed filling area is filled with an ozone catalyst; a reflux water inlet is formed in the water flow adjusting area of the tower body; the water outlet tank is provided with a water draining port, the reflux tank is provided with a reflux water outlet, and the height of the water draining port is larger than that of the reflux water outlet; the water outlet tank is communicated with the reflux tank through two communicating pipes, the height of one communicating pipe is not larger than that of the reflux water outlet, and the height of the other communicating pipe is not smaller than that of the water draining port; the reflux water outlet is communicated with the reflux water inlet through a pipeline provided with a gas-liquid mixing device; the ozone device is connected with the gas-liquid mixing device; the top of the water outlet tank and the top of the reflux tank are sealed, and the top of the water outlet tank is provided with an exhaust pipe.
Description
Technical field
The present invention relates to a kind of device of field of waste water treatment; More particularly, a kind of novel fluidized bed type ozone oxidation tower is related to.
Background technology
In recent years, along with the high speed development of national economy, water environment protection is a problem of current mankind society extensive concern, and along with the fast development of Chinese national economy, the water resources of organic waste water to China's preciousness of high density causes threat.But utilize existing bioremediation, the treatment of Organic Wastewater that, relative molecular mass poor to biodegradability is larger is more difficult, and advanced oxidation processes (AdvancedOxidationProcess, be called for short AOPs) can by its direct mineralising or the biodegradability being improved pollutent by oxidation, also in the process of the micro-harmful chemicals such as Environmental estrogen, there is very large advantage simultaneously, most organic permineralization or decomposition can be made, there is good application prospect.
Ozonation is current widely used advanced oxidation processes in sewage disposal, is achieved mainly through direct reaction and indirect reaction two kinds of approach.Wherein direct reaction refers to that ozone and organism directly react, and this mode has stronger selectivity, is generally the organism that attack has double bond, usually to unsaturated aliphatic hydrocarbon and compound fragrant hydrocarbon more effective; Indirect reaction refers to that ozone decomposed produces OH, and carry out oxidizing reaction by OH and organism, this mode does not have selectivity.
Ozonation has the ability removing more by force organic pollutant, the pollutents such as the phenol in water, cyanogen can be removed, sodium alkyl benzene sulfonate (ABS), protein, amino acid, organic amine, xylogen, soil ulmin, the assorted pollutent such as ring compound and chain type unsaturated compound that also can be used in Decomposition Wastewater.Meanwhile, to the desolventing technology of printing and dyeing, waste water from dyestuff, Ozonation also has extraordinary effect.The general waste water containing hydrophilic dye, by ozone 20 ~ 50 mg/litre, processes 10 ~ 30 minutes, can reach the decolorizing effect of more than 95%.
The power consumption but producing ozone is still higher, and per kilogram ozone is about power consumption 20 ~ 35 degree.In actual oxidising process, there is ozone utilization rate low, the problem that processing cost is higher, seriously limit the application of Ozonation.Therefore be necessary that a kind of novel ozone oxidation tower of exploitation is to improve utilising efficiency and the oxidation capacity of ozone, thus improve sewage ozone oxidation efficiency, reduce processing cost.
Summary of the invention
In order to solve the problems of the technologies described above, the object of the invention is to propose a kind of structure simple, the residence time of ozone in reaction system can be extended, improve ozone oxidation efficiency and utilization ratio, the Novel fluidization bed ozone oxidation tower of reduction ozone oxidation sewage treatment process processing cost.
A kind of fluidized bed type ozone oxidation tower provided by the invention, comprising: tower body, the effluent trough being arranged at tower body top, the backflash be communicated with effluent trough and ozone equipment;
Wherein, sewage inlet is provided with bottom tower body; Tower body inside is divided into current to adjust district, fluidized-bed fill area, fluidized-bed reaction breathing space and reaction buffering exhalant region from bottom to top; Current adjustment district is provided with current setting device, and fluidized-bed fill area is filled with ozone catalyst; Tower body is provided with backflow water-in in current adjustment place of district;
Effluent trough is provided with water port, and backflash is provided with recycling effluent mouth, and water port height is in the horizontal direction higher than recycling effluent mouth; Effluent trough is communicated with by two communicating pipe with backflash, and wherein the height in the horizontal direction of a connecting pipe is not higher than recycling effluent mouth, and the height in the horizontal direction of another communicating pipe is not less than water port; Recycling effluent mouth is communicated with backflow water-in by the pipeline being provided with Liqiud-gas mixing device;
Ozone equipment is connected with Liqiud-gas mixing device;
The top seal of described effluent trough and backflash, described effluent trough top is provided with vapor pipe.
As optimal technical scheme, described tower body is provided with thief hatch in fluidized-bed reaction breathing space and reaction buffering exhalant region place.
Preferably, described Liqiud-gas mixing device is ejector.
Preferably, described current setting device is water distributor, and backflow water-in correspondence is arranged at below water distributor.
Preferably, described current setting device is inert filler, is filled in current adjustment district.
Preferably, described inert filler is granulated glass sphere or ceramic particle.
Preferably, double glazing pearl is filled as current setting device by current adjustment district, and lower floor's granulated glass sphere particle diameter is 10-15mm, and upper strata granulated glass sphere particle diameter is 3-6mm, and the water-in correspondence that wherein refluxes is positioned at lower floor's granulated glass sphere filling place.
Preferably, sewage inlet place is provided with wide-meshed screen.
Preferably, described tower body is carbon steel material.
Preferably, the pipeline between recycling effluent mouth and Liqiud-gas mixing device is provided with recycle pump.
Technique effect of the present invention is as follows:
1, fluidized bed type ozone oxidation tower of the present invention, by fluidized-bed, ozone bubbles in sewage is stablized, the reaction efficiency of ozone oxidation tower is improved greatly, thus than traditional ozone oxidation tower, there is higher processing speed and lower ozone usage quantity, thus reduce investment, reduce cost of sewage disposal.
2, because the filler ozone catalyst in fluidized bed reaction zone has well absorption and stabilization for the ozone bubbles in sewage, thus substantially prolongs the residence time of ozone bubbles in sewage, thus improve ozone oxidation efficiency, reduce the processing cost of ozone oxidation.
3, in fluidized bed type ozone oxidation tower of the present invention, ozone adopts and adds with the mode of recirculation water gas-liquid mixed, improves the solvability of ozone in water and dispersiveness, is conducive to the utilization ratio improving ozone.
4, the oxygenizement of fluidized-bed to ozone being filled with solid particulate ozone catalyst has good catalysed promoted effect, improves the oxidation capacity of ozone, shortens the sewage disposal residence time.
5, the multi-reflow of sewage within the residence time makes the dosage of ozone adjustable, and gradation adds ozone adds solubleness and utilization ratio.Meanwhile, the pro-oxidant of needs can be added by return-flow system in system, enhance the adaptability of ozone oxidation tower.
Accompanying drawing explanation
Fig. 1 is the structural representation of fluidized bed type ozone oxidation tower of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment in the present invention is described in further detail.
As shown in Figure 1, fluidized bed type ozone oxidation tower of the present invention, comprising: tower body 1(be preferably corrosion resistant carbon steel material), be arranged at the effluent trough 2 at tower body top, the backflash 3 be communicated with effluent trough 2 and ozone equipment 14;
Wherein, be provided with sewage inlet 6(sewage inlet place bottom tower body 1 and be provided with wide-meshed screen); Tower body 1 inside is divided into current to adjust district 8, fluidized-bed fill area 4, fluidized-bed reaction breathing space 5 and reaction buffering exhalant region 16 from bottom to top; Current adjustment district 8 is provided with current setting device, and fluidized-bed fill area 4 is filled with the ozone catalyst promoting ozonolysis reactions; Tower body 1 is provided with backflow water-in 7 in current adjustment place of district 8.Tower body 1 is provided with thief hatch 9 in fluidized-bed reaction breathing space 5 and reaction buffering exhalant region 16 place.Current setting device can be water distributor or inert filler.When current setting device is water distributor, backflow water-in 7 correspondence is arranged at below water distributor.In current adjustment, double glazing pearl is filled as (as shown in Figure 1) during current setting device by district 8, and lower floor's granulated glass sphere particle diameter is 10-15mm, and upper strata granulated glass sphere particle diameter is 3-6mm, and the water-in correspondence that wherein refluxes is positioned at lower floor's granulated glass sphere filling place.
Effluent trough 2 is provided with water port 10, and backflash 3 is provided with recycling effluent mouth 12, and water port 10 height is in the horizontal direction higher than recycling effluent mouth 12; Effluent trough 2 is communicated with by two communicating pipe 11 with backflash 3, wherein the height in the horizontal direction of a connecting pipe 11 is not communicated with water pipe higher than recycling effluent mouth 12(, the water in effluent trough 2 is made to understand chute 3 by this communicating pipe inflow), the height in the horizontal direction of another communicating pipe is not less than water port 10(connectivity trachea, discharges after making the gas in backflash 3 enter effluent trough 2 from vapor pipe 13); The recycling effluent mouth 12 of backflash 3 is communicated with backflow water-in 7 by the pipeline being provided with Liqiud-gas mixing device 15, and the pipeline between recycling effluent mouth and Liqiud-gas mixing device is provided with recycle pump;
The top seal of effluent trough 2 and backflash 3, effluent trough 2 top is provided with vapor pipe 13, is connected (not shown) with exhaust gas processing device.
Ozone equipment 14 is connected with Liqiud-gas mixing device 15, selects Liqiud-gas mixing device 15 for ejector in present embodiment.
Fluidized bed type ozone oxidation tower of the present invention in force, by the pretreated sewage in front end by wastewater influent hole 6, ingoing stream adjustment district 8 after wide-meshed screen filters, district 8 is adjusted by water-in 7 ingoing stream that refluxes after the recirculation water that backflash 3 returns simultaneously then mixes with the ozone from ozone equipment 14 in the Liqiud-gas mixing device 15 of reflux pipeline, current are adjusted by current setting device, water distribution uniformity laggard enter fluidized-bed fill area 4.There are the current of certain flow rate through fluidized-bed fill area, the filler of fluidized-bed fill area is ozone catalyst, it is preferably porous, high surface area, low-density particles thing, to in disposing of sewage containing ozone gas puff stabilization, filler disperses to enter fluidized-bed reaction breathing space 5 under the drive of current.Sewage after ozone oxidation, upwards after cushioning out district 16 by reaction, through effluent trough 2 and backflash 3, enters into next oxidation cycle.The content of ozone in sewage and the sewage quality after oxide treatment can be determined by thieff hatch 9.After sewage disposal reaches standard, discharge fluidized bed type ozone oxidation tower by the water outlet 10 in effluent trough 2.The tail gas that ozone oxidation produces is drained into exhaust gas processing device through vapor pipe 13 and is for further processing after being collected by effluent trough 2 and backflash 3 top seal space.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a fluidized bed type ozone oxidation tower, is characterized in that, comprising: tower body, the effluent trough being arranged at tower body top, the backflash be communicated with effluent trough and ozone equipment;
Wherein, sewage inlet is provided with bottom tower body; Tower body inside is divided into current to adjust district, fluidized-bed fill area, fluidized-bed reaction breathing space and reaction buffering exhalant region from bottom to top; Current adjustment district is provided with current setting device, and fluidized-bed fill area is filled with ozone catalyst; Tower body is provided with backflow water-in in current adjustment place of district;
Effluent trough is provided with water port, and backflash is provided with recycling effluent mouth, and water port height is in the horizontal direction higher than recycling effluent mouth; Effluent trough is communicated with by two communicating pipe with backflash, and wherein the height in the horizontal direction of a connecting pipe is not higher than recycling effluent mouth, and the height in the horizontal direction of another communicating pipe is not less than water port; Recycling effluent mouth is communicated with backflow water-in by the pipeline being provided with Liqiud-gas mixing device;
Ozone equipment is connected with Liqiud-gas mixing device;
The top seal of described effluent trough and backflash, described effluent trough top is provided with vapor pipe.
2. fluidized bed type ozone oxidation tower according to claim 1, is characterized in that, described tower body is provided with thief hatch in fluidized-bed reaction breathing space and reaction buffering exhalant region place.
3. fluidized bed type ozone oxidation tower according to claim 1, is characterized in that, described Liqiud-gas mixing device is ejector.
4. fluidized bed type ozone oxidation tower according to claim 1, is characterized in that, described current setting device is water distributor, and backflow water-in correspondence is arranged at below water distributor.
5. fluidized bed type ozone oxidation tower according to claim 1, is characterized in that, described current setting device is inert filler, is filled in current adjustment district.
6. fluidized bed type ozone oxidation tower according to claim 5, is characterized in that, described inert filler is granulated glass sphere or ceramic particle.
7. fluidized bed type ozone oxidation tower according to claim 6, it is characterized in that, double glazing pearl is filled as current setting device by current adjustment district, and lower floor's granulated glass sphere particle diameter is 10-15mm, upper strata granulated glass sphere particle diameter is 3-6mm, and the water-in correspondence that wherein refluxes is positioned at lower floor's granulated glass sphere filling place.
8. fluidized bed type ozone oxidation tower according to claim 1, is characterized in that, sewage inlet place is provided with wide-meshed screen.
9. fluidized bed type ozone oxidation tower according to claim 1, is characterized in that, described tower body is carbon steel material.
10. fluidized bed type ozone oxidation tower according to claim 1, is characterized in that, the pipeline between recycling effluent mouth and Liqiud-gas mixing device is provided with recycle pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903821.0A CN105347462B (en) | 2015-12-09 | 2015-12-09 | A kind of fluidized bed type ozone oxidation tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510903821.0A CN105347462B (en) | 2015-12-09 | 2015-12-09 | A kind of fluidized bed type ozone oxidation tower |
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| CN105347462A true CN105347462A (en) | 2016-02-24 |
| CN105347462B CN105347462B (en) | 2018-08-24 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776499A (en) * | 2016-04-29 | 2016-07-20 | 苏忠 | Nano micro-air ozonization device |
| CN105817257A (en) * | 2016-05-04 | 2016-08-03 | 北京高能时代环境技术股份有限公司 | Supported ozone catalyst and preparing method and application thereof |
| CN105854925A (en) * | 2016-05-04 | 2016-08-17 | 北京高能时代环境技术股份有限公司 | Supported ozone catalyst and preparation and application thereof |
| CN106698641A (en) * | 2016-11-25 | 2017-05-24 | 北京高能时代环境技术股份有限公司 | Strong oxidation device |
| CN109574198A (en) * | 2018-12-29 | 2019-04-05 | 苏州清然环保科技有限公司 | Ozone catalytic fluidized bed sewage processor and its application method |
| CN109987695A (en) * | 2019-04-05 | 2019-07-09 | 杭州司迈特水处理工程有限公司 | A kind of Three phase ozone catalytic vulcanization tower |
| CN114751503A (en) * | 2022-03-14 | 2022-07-15 | 江苏南大华兴环保科技股份公司 | Ozone oxidation reaction device suitable for light catalyst |
| CN114956296A (en) * | 2022-03-31 | 2022-08-30 | 上海中耀环保实业有限公司 | Non-load fluidized bed type ozone catalytic oxidation sewage treatment system and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194564A (en) * | 2019-06-13 | 2019-09-03 | 广东技术师范大学天河学院 | A kind of refuse leachate processing method |
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| CN104478065A (en) * | 2014-12-15 | 2015-04-01 | 浙江中凯瑞普环境工程股份有限公司 | Catalytic ozonation reactor for expanded bed and sewage treatment method of catalytic ozonation reactor |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6182890A (en) * | 1984-09-28 | 1986-04-26 | Iwasaki Electric Co Ltd | Water treatment apparatus |
| CN104478065A (en) * | 2014-12-15 | 2015-04-01 | 浙江中凯瑞普环境工程股份有限公司 | Catalytic ozonation reactor for expanded bed and sewage treatment method of catalytic ozonation reactor |
| CN104528913A (en) * | 2015-01-09 | 2015-04-22 | 中国石油大学(北京) | Method and device for mineralizing low-concentration persistent organic pollutants in oil refining sewage |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776499A (en) * | 2016-04-29 | 2016-07-20 | 苏忠 | Nano micro-air ozonization device |
| CN105817257A (en) * | 2016-05-04 | 2016-08-03 | 北京高能时代环境技术股份有限公司 | Supported ozone catalyst and preparing method and application thereof |
| CN105854925A (en) * | 2016-05-04 | 2016-08-17 | 北京高能时代环境技术股份有限公司 | Supported ozone catalyst and preparation and application thereof |
| CN105854925B (en) * | 2016-05-04 | 2018-10-19 | 北京高能时代环境技术股份有限公司 | A kind of support type ozone catalyst and its preparation and application |
| CN105817257B (en) * | 2016-05-04 | 2018-10-19 | 北京高能时代环境技术股份有限公司 | A kind of support type ozone catalyst and its preparation and application |
| CN106698641A (en) * | 2016-11-25 | 2017-05-24 | 北京高能时代环境技术股份有限公司 | Strong oxidation device |
| CN109574198A (en) * | 2018-12-29 | 2019-04-05 | 苏州清然环保科技有限公司 | Ozone catalytic fluidized bed sewage processor and its application method |
| CN109987695A (en) * | 2019-04-05 | 2019-07-09 | 杭州司迈特水处理工程有限公司 | A kind of Three phase ozone catalytic vulcanization tower |
| CN114751503A (en) * | 2022-03-14 | 2022-07-15 | 江苏南大华兴环保科技股份公司 | Ozone oxidation reaction device suitable for light catalyst |
| CN114956296A (en) * | 2022-03-31 | 2022-08-30 | 上海中耀环保实业有限公司 | Non-load fluidized bed type ozone catalytic oxidation sewage treatment system and method |
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| CN105347462B (en) | 2018-08-24 |
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