CN203960019U - For reducing the ozone reactor of mud discharging - Google Patents
For reducing the ozone reactor of mud discharging Download PDFInfo
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- CN203960019U CN203960019U CN201420324177.2U CN201420324177U CN203960019U CN 203960019 U CN203960019 U CN 203960019U CN 201420324177 U CN201420324177 U CN 201420324177U CN 203960019 U CN203960019 U CN 203960019U
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- mud
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a kind of for reducing the ozone reactor of mud discharging, comprise that being provided with mud enters, outlet housing and be located at the ozonation aerated device in this housing, this ozonation aerated device comprises along the spaced hollow-fibre membrane aeration tube more than two of mud flow direction, in each hollow-fibre membrane aeration tube, be respectively equipped with some hydrophilic PVDF/PAN hollow-fibre membranes, the membrane pore size of each hydrophilic PVDF/PAN hollow-fibre membrane is 30-70 μ m, hydrophilic PVDF/PAN hollow-fibre membrane quantity in each group hollow-fibre membrane aeration tube is successively decreased with 50% lapse rate on mud flow direction.Ozone reactor of the present utility model can effectively extend the residence time of ozone in mud and improve the dissolution rate of ozone, thereby can, fully by the cellular oxidation cracking in mud, reduce the processing cost of mud, has solved the defect of prior art.
Description
Technical field
The utility model belongs to technical field of sewage, says accurately and relates to a kind of ozone reactor that reduces mud discharging for sewage treatment process.
Background technology
Along with socioeconomic development, country more and more payes attention to the problem of water surrounding.Along with the increase of sewage work, be also accompanied by the more problem that produced.The sewage work of main flow has all adopted biological process to process at present, and biological process processing is by microorganism, the carbonaceous organic material in sewage to be oxidized and to be utilized, and finally produce carbonic acid gas and water, and propagation produces new microorganism, i.e. active sludge.The defect of this type of technique maximum is that sludge yield is excessive, and in excess sludge, conventionally contain the hazardous and noxious substances such as the parasitic ovum, pathogenic micro-organism, heavy metal of a great deal of and the organism of stabilization not, if do not deal carefully with and dispose, will cause direct or potential pollution to environment.The conventional treatment method of excess sludge is mainly multiple steps such as separation, digestion, dehydration, outward transport, landfill, the processing cost of the method is higher, take the 40-60% left and right of sewage work's working cost, thereby and mishandling also easily polluted underground water cause secondary pollution, therefore the minimizing that, how to realize excess sludge becomes sewage treatment area and continues the problem solving.
Sludge reduction technology comprises two kinds of methods, and one is original position mud decrement method, from source, reduce the output of mud, but these class methods are generally by methods such as long-time aerations, allow mud fully react, make pollutant oxidation become carbonic acid gas and water, thereby reduce mud amount.This class methods energy consumption is higher, and user is less.Another is excess sludge processing, in terminal, excess sludge is processed.The multipair mud of these class methods carries out bacteriolyze processing, is then recycled, and again processes, thereby reduce the amount of discharging mud outside system with raw waste water after mixing.Therefore the molten cellular lysate technology of various mud, becomes the key of this technique.These class methods comprise burning method, oxidation style, ultrasonic method, pyrolysis method, chemical method etc. at present, and wherein, oxidation style is because required technology and equipment is used widely in China compared with easy realization.
At present to use more be Ozonation to oxidation style, and this method is mainly to utilize the strong oxidizing property of ozone to make the cell generation oxicracking of bacterium in mud, protozoon, algae, and finally generates carbonic acid gas and water, realizes the object of sludge reduction.But the ozone bubbles diameter that conventional aerating apparatus generates is between 100 microns to 3 millimeters, the contact area of itself and mud is less, and water-soluble lower due to ozone, causes ozone utilization rate not high, and ozone-depleting is larger, and processing cost is higher.
Utility model content
The purpose of this utility model is: provide a kind of for reducing the ozone reactor of mud discharging, to improve the rate of utilization of ozone, the processing cost of reduction mud.
The technical solution of the utility model is: a kind of for reducing the ozone reactor of mud discharging, comprise housing and be located at the ozonation aerated device in this housing, on housing, being divided into mud enters, outlet, described ozonation aerated device comprises along the spaced hollow-fibre membrane aeration tube more than two of mud flow direction, in each hollow-fibre membrane aeration tube, be respectively equipped with some hydrophilic PVDF/PAN hollow-fibre membranes, the membrane pore size of each hydrophilic PVDF/PAN hollow-fibre membrane is 30-70 μ m, hydrophilic PVDF/PAN hollow-fibre membrane quantity in each group hollow-fibre membrane aeration tube is successively decreased with 50% lapse rate on mud flow direction.
Described hollow-fibre membrane aeration tube is provided with 2-4 group.
Described housing vertically arranges, the bottom of housing is located in described mud import, described sludge outlet is located at the top of housing, between mud import and outlet, be positioned on relative two inner side-walls of housing and be fixed with respectively some flow deflectors, each flow deflector on relative two inner side-walls of described housing is vertical spaced apart and be crisscross arranged.
Be provided with ozone tail gas discharge outlet at the top of described housing, on ozone tail gas discharge outlet, be connected with ozone filter, in ozone filter, be provided with quartz sand filler and ozone decomposition catalyst.
Also comprise ozonizer, described ozonizer is connected with each group of hollow-fibre membrane aeration tube by pneumatic tube.
Ozone reactor of the present utility model is simple in structure, easy to use, it utilizes along the spaced hollow-fibre membrane aeration tube of mud flow direction can produce the micron bubble of diameter between 30-70 μ m when the aeration, and this micron bubble can effectively extend the residence time of ozone in mud and improve the dissolution rate of ozone; Adopt hydrophilic PVDF/PAN hollow-fibre membrane can reduce the pollution on film surface in use procedure, prevent that fenestra is blocked, can effectively improve the resistance of oxidation of aeration tube, thereby improve the work reliability of this ozone reactor simultaneously; The hollow-fibre membrane aeration tube more than two that adopts hollow-fibre membrane quantity to successively decrease can make mud fully and ozone contact, can be fully by the cellular oxidation cracking in mud in effectively improving ozone utilization rate, thereby can maximizedly realize mud decrement, ozone reactor of the present utility model compared with prior art, owing to having improved the utilization ratio of ozone, utilized the shear action of micron bubble simultaneously, thereby reduce the dosage of ozone, thereby reduce the processing cost of mud, solved the defect of prior art.
Brief description of the drawings
Fig. 1 is the utility model for reducing the structural representation of ozone reactor of mud discharging.
Embodiment
Of the present utility model for reduce mud discharging ozone reactor specific embodiment as shown in Figure 1, it comprises housing 1, the bottom of housing 1 is provided with mud import 2, the top of housing 1 is provided with sludge outlet 3, in housing 1, on the relative both sides sidewall between mud import 2 and sludge outlet 3, be laterally fixed with respectively some flow deflectors 5, each flow deflector 5 on the sidewall of both sides relatively extends and is crisscross arranged, thereby in housing 1, between mud import 2 and sludge outlet 3, form the mud passage 6 that S shape is back and forth turned back, this mud passage 6 has extended the flow path of mud at housing 1.In concrete application, the spacing of adjacent baffle 5 is to arrange according to the velocity of flow of mud, and the spacing of establishing between adjacent baffle 5 is L2, L2=vt, and v is mud velocity of flow, the m/s of unit; T is the time, and span is 90-300s.
On the sidewall of housing 1, also install and be fixed with hollow-fibre membrane aeration tube 4, in the present embodiment, this hollow-fibre membrane aeration tube 4 is provided with two groups along the flow direction of mud, in every group of hollow-fibre membrane aeration tube 4, be equipped with some hollow-fibre membranes, hollow-fibre membrane quantity in these two groups of hollow-fibre membrane aeration tubes 4 is 50% on mud flow direction successively decreases, and the hollow-fibre membrane quantity that is arranged in the hollow-fibre membrane aeration tube 4 at rear on mud flow direction is the half of the hollow-fibre membrane quantity of last group of hollow-fibre membrane aeration tube 4.These two groups of hollow-fibre membrane aeration tubes 4 are connected with ozonizer 9 by pneumatic tube 10 respectively, to the sludge aeration flowing through in housing 1.In the present embodiment, hollow-fibre membrane is hydrophilic PVDF/PAN hollow-fibre membrane, this hydrophilic PVDF/PAN hollow-fibre membrane in use can better prevent the pollution of mud to film surface, avoids fenestra by sludge blockage, thereby effectively improves the work reliability of this ozone reactor.In concrete application, the quantity of hollow-fibre membrane aeration tube 4 can be made as 2-4 group according to the volume of ozone reactor and mud discharge, spacing between two adjacent groups hollow-fibre membrane aeration tube 4 is according to the flow set of mud, if the setting space between two adjacent groups hollow-fibre membrane aeration tube 4 is L1, L1=tv/l, wherein t is the time, and span is 120-600s; V is mud velocity of flow, the m/s of unit; L is the width of tank, and unit is m.Mud passage extends and hollow-fibre membrane aeration tube more than two is set can make mud fully and ozone contact, improves the processing speed of mud; Adopt hollow-fibre membrane aeration tube can form micron bubble, contact area in ozone and mud is enhanced, thereby dissolution rate and the utilization ratio of ozone are effectively improved, can effectively reduce the dosage of ozone by mud being carried out to bubble-free aeration, thereby reduce the processing cost of mud.
Cause secondary pollution for avoiding residual ozone to enter atmosphere, in the present embodiment, its top at housing 1 is also provided with ozone discharge outlet 7 and is connected with ozone filter 8 on this ozone discharge outlet 7, in ozone filter 8, be provided with quartz sand filler and ozone catalytic agent, wherein, ozone catalytic agent can adopt the catalyzer such as Manganse Dioxide, manganese and oxygen compound, manganous carbonate, ferriferous oxide, amorphous ti silica, titanium Mn oxide.
Ozone reactor of the present utility model is arranged in Sewage treatment systems and after being arranged at second pond, and new settling tank is set after this ozone reactor, carry out aftertreatment through this ozone reactor mud after treatment by modes such as precipitation, digestion process, press filtrations again, the supernatant liquor that precipitation produces can be used as new carbon source and adds to technique front end and do not have new pollutent as denitrifying carbon source and produce.
Claims (5)
1. one kind for reducing the ozone reactor of mud discharging, comprise housing and be located at the ozonation aerated device in this housing, on housing, being divided into mud enters, outlet, it is characterized in that, described ozonation aerated device comprises along the spaced hollow-fibre membrane aeration tube more than two of mud flow direction, in each hollow-fibre membrane aeration tube, be respectively equipped with some hydrophilic PVDF/PAN hollow-fibre membranes, the membrane pore size of each hydrophilic PVDF/PAN hollow-fibre membrane is 30-70 μ m, hydrophilic PVDF/PAN hollow-fibre membrane quantity in each group hollow-fibre membrane aeration tube is successively decreased with 50% lapse rate on mud flow direction.
2. according to claim 1ly it is characterized in that for reducing the ozone reactor of mud discharging, described hollow-fibre membrane aeration tube is provided with 2-4 group.
3. according to claim 1 for reducing the ozone reactor of mud discharging, it is characterized in that, described housing vertically arranges, the bottom of housing is located in described mud import, described sludge outlet is located at the top of housing, between mud import and outlet, be positioned on relative two inner side-walls of housing and be fixed with respectively some flow deflectors, each flow deflector on relative two inner side-walls of described housing is vertical spaced apart and be crisscross arranged.
4. according to claim 1 for reducing the ozone reactor of mud discharging, it is characterized in that, be provided with ozone tail gas discharge outlet at the top of described housing, on ozone tail gas discharge outlet, be connected with ozone filter, in ozone filter, be provided with quartz sand filler and ozone decomposition catalyst.
5. according to claim 1ly it is characterized in that for reducing the ozone reactor of mud discharging, also comprise ozonizer, described ozonizer is connected with each group of hollow-fibre membrane aeration tube by pneumatic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324177.2U CN203960019U (en) | 2014-06-18 | 2014-06-18 | For reducing the ozone reactor of mud discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324177.2U CN203960019U (en) | 2014-06-18 | 2014-06-18 | For reducing the ozone reactor of mud discharging |
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| Publication Number | Publication Date |
|---|---|
| CN203960019U true CN203960019U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420324177.2U Expired - Fee Related CN203960019U (en) | 2014-06-18 | 2014-06-18 | For reducing the ozone reactor of mud discharging |
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| Country | Link |
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| CN (1) | CN203960019U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502973A (en) * | 2018-06-12 | 2018-09-07 | 安徽安真木业有限公司 | A kind of density board processing sewage-treatment plant |
| CN108913881A (en) * | 2018-08-03 | 2018-11-30 | 商洛学院 | A kind of multi-function metal extraction reactive tank |
| CN110510840A (en) * | 2018-05-21 | 2019-11-29 | 中国石油化工股份有限公司 | Remaining biochemical sludge decrement treatment system and processing method |
| CN111732182A (en) * | 2020-07-03 | 2020-10-02 | 西安建筑科技大学 | Method and device for eliminating sludge bulking by catalytic ozonation |
-
2014
- 2014-06-18 CN CN201420324177.2U patent/CN203960019U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510840A (en) * | 2018-05-21 | 2019-11-29 | 中国石油化工股份有限公司 | Remaining biochemical sludge decrement treatment system and processing method |
| CN108502973A (en) * | 2018-06-12 | 2018-09-07 | 安徽安真木业有限公司 | A kind of density board processing sewage-treatment plant |
| CN108913881A (en) * | 2018-08-03 | 2018-11-30 | 商洛学院 | A kind of multi-function metal extraction reactive tank |
| CN111732182A (en) * | 2020-07-03 | 2020-10-02 | 西安建筑科技大学 | Method and device for eliminating sludge bulking by catalytic ozonation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150618 |
|
| EXPY | Termination of patent right or utility model |